From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/arm/mach-s3c64xx/Kconfig | 309 +++++++ arch/arm/mach-s3c64xx/Makefile | 60 ++ arch/arm/mach-s3c64xx/Makefile.boot | 2 + arch/arm/mach-s3c64xx/clock.c | 998 +++++++++++++++++++++ arch/arm/mach-s3c64xx/common.c | 386 ++++++++ arch/arm/mach-s3c64xx/common.h | 54 ++ arch/arm/mach-s3c64xx/cpuidle.c | 91 ++ arch/arm/mach-s3c64xx/dev-audio.c | 318 +++++++ arch/arm/mach-s3c64xx/dev-uart.c | 103 +++ arch/arm/mach-s3c64xx/dma.c | 753 ++++++++++++++++ arch/arm/mach-s3c64xx/include/mach/crag6410.h | 26 + arch/arm/mach-s3c64xx/include/mach/debug-macro.S | 38 + arch/arm/mach-s3c64xx/include/mach/dma.h | 131 +++ arch/arm/mach-s3c64xx/include/mach/gpio.h | 93 ++ arch/arm/mach-s3c64xx/include/mach/hardware.h | 16 + arch/arm/mach-s3c64xx/include/mach/irqs.h | 193 ++++ arch/arm/mach-s3c64xx/include/mach/map.h | 125 +++ arch/arm/mach-s3c64xx/include/mach/pm-core.h | 115 +++ arch/arm/mach-s3c64xx/include/mach/regs-clock.h | 162 ++++ .../mach-s3c64xx/include/mach/regs-gpio-memport.h | 25 + arch/arm/mach-s3c64xx/include/mach/regs-gpio.h | 187 ++++ arch/arm/mach-s3c64xx/include/mach/regs-irq.h | 20 + arch/arm/mach-s3c64xx/include/mach/regs-modem.h | 31 + arch/arm/mach-s3c64xx/include/mach/regs-srom.h | 59 ++ arch/arm/mach-s3c64xx/include/mach/regs-sys.h | 31 + .../mach-s3c64xx/include/mach/regs-syscon-power.h | 116 +++ arch/arm/mach-s3c64xx/include/mach/spi-clocks.h | 18 + arch/arm/mach-s3c64xx/include/mach/tick.h | 29 + arch/arm/mach-s3c64xx/include/mach/timex.h | 24 + arch/arm/mach-s3c64xx/include/mach/uncompress.h | 28 + arch/arm/mach-s3c64xx/irq-pm.c | 111 +++ arch/arm/mach-s3c64xx/mach-anw6410.c | 246 +++++ arch/arm/mach-s3c64xx/mach-crag6410-module.c | 272 ++++++ arch/arm/mach-s3c64xx/mach-crag6410.c | 816 +++++++++++++++++ arch/arm/mach-s3c64xx/mach-hmt.c | 277 ++++++ arch/arm/mach-s3c64xx/mach-mini6410.c | 355 ++++++++ arch/arm/mach-s3c64xx/mach-ncp.c | 109 +++ arch/arm/mach-s3c64xx/mach-real6410.c | 336 +++++++ arch/arm/mach-s3c64xx/mach-smartq.c | 404 +++++++++ arch/arm/mach-s3c64xx/mach-smartq.h | 20 + arch/arm/mach-s3c64xx/mach-smartq5.c | 157 ++++ arch/arm/mach-s3c64xx/mach-smartq7.c | 173 ++++ arch/arm/mach-s3c64xx/mach-smdk6400.c | 98 ++ arch/arm/mach-s3c64xx/mach-smdk6410.c | 714 +++++++++++++++ arch/arm/mach-s3c64xx/pm.c | 374 ++++++++ arch/arm/mach-s3c64xx/s3c6400.c | 95 ++ arch/arm/mach-s3c64xx/s3c6410.c | 99 ++ arch/arm/mach-s3c64xx/setup-fb-24bpp.c | 27 + arch/arm/mach-s3c64xx/setup-i2c0.c | 28 + arch/arm/mach-s3c64xx/setup-i2c1.c | 28 + arch/arm/mach-s3c64xx/setup-ide.c | 43 + arch/arm/mach-s3c64xx/setup-keypad.c | 24 + arch/arm/mach-s3c64xx/setup-sdhci-gpio.c | 57 ++ arch/arm/mach-s3c64xx/setup-spi.c | 45 + arch/arm/mach-s3c64xx/setup-usb-phy.c | 90 ++ arch/arm/mach-s3c64xx/sleep.S | 72 ++ 56 files changed, 9611 insertions(+) create mode 100644 arch/arm/mach-s3c64xx/Kconfig create mode 100644 arch/arm/mach-s3c64xx/Makefile create mode 100644 arch/arm/mach-s3c64xx/Makefile.boot create mode 100644 arch/arm/mach-s3c64xx/clock.c create mode 100644 arch/arm/mach-s3c64xx/common.c create mode 100644 arch/arm/mach-s3c64xx/common.h create mode 100644 arch/arm/mach-s3c64xx/cpuidle.c create mode 100644 arch/arm/mach-s3c64xx/dev-audio.c create mode 100644 arch/arm/mach-s3c64xx/dev-uart.c create mode 100644 arch/arm/mach-s3c64xx/dma.c create mode 100644 arch/arm/mach-s3c64xx/include/mach/crag6410.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/debug-macro.S create mode 100644 arch/arm/mach-s3c64xx/include/mach/dma.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/gpio.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/hardware.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/irqs.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/map.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/pm-core.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/regs-clock.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/regs-gpio-memport.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/regs-gpio.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/regs-irq.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/regs-modem.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/regs-srom.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/regs-sys.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/regs-syscon-power.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/spi-clocks.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/tick.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/timex.h create mode 100644 arch/arm/mach-s3c64xx/include/mach/uncompress.h create mode 100644 arch/arm/mach-s3c64xx/irq-pm.c create mode 100644 arch/arm/mach-s3c64xx/mach-anw6410.c create mode 100644 arch/arm/mach-s3c64xx/mach-crag6410-module.c create mode 100644 arch/arm/mach-s3c64xx/mach-crag6410.c create mode 100644 arch/arm/mach-s3c64xx/mach-hmt.c create mode 100644 arch/arm/mach-s3c64xx/mach-mini6410.c create mode 100644 arch/arm/mach-s3c64xx/mach-ncp.c create mode 100644 arch/arm/mach-s3c64xx/mach-real6410.c create mode 100644 arch/arm/mach-s3c64xx/mach-smartq.c create mode 100644 arch/arm/mach-s3c64xx/mach-smartq.h create mode 100644 arch/arm/mach-s3c64xx/mach-smartq5.c create mode 100644 arch/arm/mach-s3c64xx/mach-smartq7.c create mode 100644 arch/arm/mach-s3c64xx/mach-smdk6400.c create mode 100644 arch/arm/mach-s3c64xx/mach-smdk6410.c create mode 100644 arch/arm/mach-s3c64xx/pm.c create mode 100644 arch/arm/mach-s3c64xx/s3c6400.c create mode 100644 arch/arm/mach-s3c64xx/s3c6410.c create mode 100644 arch/arm/mach-s3c64xx/setup-fb-24bpp.c create mode 100644 arch/arm/mach-s3c64xx/setup-i2c0.c create mode 100644 arch/arm/mach-s3c64xx/setup-i2c1.c create mode 100644 arch/arm/mach-s3c64xx/setup-ide.c create mode 100644 arch/arm/mach-s3c64xx/setup-keypad.c create mode 100644 arch/arm/mach-s3c64xx/setup-sdhci-gpio.c create mode 100644 arch/arm/mach-s3c64xx/setup-spi.c create mode 100644 arch/arm/mach-s3c64xx/setup-usb-phy.c create mode 100644 arch/arm/mach-s3c64xx/sleep.S (limited to 'arch/arm/mach-s3c64xx') diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig new file mode 100644 index 00000000..82c09157 --- /dev/null +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -0,0 +1,309 @@ +# Copyright 2008 Openmoko, Inc. +# Simtec Electronics, Ben Dooks +# +# Licensed under GPLv2 + +# temporary until we can eliminate all drivers using it. +config PLAT_S3C64XX + bool + depends on ARCH_S3C64XX + select SAMSUNG_WAKEMASK + select PM_GENERIC_DOMAINS + default y + help + Base platform code for any Samsung S3C64XX device + + +# Configuration options for the S3C6410 CPU + +config CPU_S3C6400 + bool + help + Enable S3C6400 CPU support + +config CPU_S3C6410 + bool + help + Enable S3C6410 CPU support + +config S3C64XX_DMA + bool "S3C64XX DMA" + select S3C_DMA + +config S3C64XX_SETUP_SDHCI + select S3C64XX_SETUP_SDHCI_GPIO + bool + help + Internal configuration for default SDHCI setup for S3C6400 and + S3C6410 SoCs. + +config S3C64XX_DEV_ONENAND1 + bool + help + Compile in platform device definition for OneNAND1 controller + +# platform specific device setup + +config S3C64XX_SETUP_I2C0 + bool + default y + help + Common setup code for i2c bus 0. + + Note, currently since i2c0 is always compiled, this setup helper + is always compiled with it. + +config S3C64XX_SETUP_I2C1 + bool + help + Common setup code for i2c bus 1. + +config S3C64XX_SETUP_IDE + bool + help + Common setup code for S3C64XX IDE. + +config S3C64XX_SETUP_FB_24BPP + bool + help + Common setup code for S3C64XX with an 24bpp RGB display helper. + +config S3C64XX_SETUP_KEYPAD + bool + help + Common setup code for S3C64XX KEYPAD GPIO configurations + +config S3C64XX_SETUP_SDHCI_GPIO + bool + help + Common setup code for S3C64XX SDHCI GPIO configurations + +config S3C64XX_SETUP_SPI + bool + help + Common setup code for SPI GPIO configurations + +config S3C64XX_SETUP_USB_PHY + bool + help + Common setup code for USB PHY controller + +# S36400 Macchine support + +config MACH_SMDK6400 + bool "SMDK6400" + select CPU_S3C6400 + select S3C_DEV_HSMMC + select S3C_DEV_NAND + select S3C64XX_SETUP_SDHCI + help + Machine support for the Samsung SMDK6400 + +# S3C6410 machine support + +config MACH_ANW6410 + bool "A&W6410" + select CPU_S3C6410 + select S3C_DEV_FB + select S3C64XX_SETUP_FB_24BPP + help + Machine support for the A&W6410 + +config MACH_MINI6410 + bool "MINI6410" + select CPU_S3C6410 + select S3C_DEV_HSMMC + select S3C_DEV_HSMMC1 + select S3C64XX_SETUP_SDHCI + select S3C_DEV_USB_HOST + select S3C_DEV_NAND + select S3C_DEV_FB + select S3C64XX_SETUP_FB_24BPP + select SAMSUNG_DEV_ADC + select SAMSUNG_DEV_TS + help + Machine support for the FriendlyARM MINI6410 + +config MACH_REAL6410 + bool "REAL6410" + select CPU_S3C6410 + select S3C_DEV_HSMMC + select S3C_DEV_HSMMC1 + select S3C64XX_SETUP_SDHCI + select S3C_DEV_FB + select S3C64XX_SETUP_FB_24BPP + select S3C_DEV_NAND + select SAMSUNG_DEV_ADC + select SAMSUNG_DEV_TS + select S3C_DEV_USB_HOST + help + Machine support for the CoreWind REAL6410 + +config MACH_SMDK6410 + bool "SMDK6410" + select CPU_S3C6410 + select SAMSUNG_DEV_ADC + select S3C_DEV_HSMMC + select S3C_DEV_HSMMC1 + select S3C_DEV_I2C1 + select SAMSUNG_DEV_IDE + select S3C_DEV_FB + select S3C_DEV_RTC + select SAMSUNG_DEV_TS + select S3C_DEV_USB_HOST + select S3C_DEV_USB_HSOTG + select S3C_DEV_WDT + select SAMSUNG_DEV_BACKLIGHT + select SAMSUNG_DEV_KEYPAD + select SAMSUNG_DEV_PWM + select HAVE_S3C2410_WATCHDOG if WATCHDOG + select S3C64XX_SETUP_SDHCI + select S3C64XX_SETUP_I2C1 + select S3C64XX_SETUP_IDE + select S3C64XX_SETUP_FB_24BPP + select S3C64XX_SETUP_KEYPAD + select S3C64XX_SETUP_USB_PHY + help + Machine support for the Samsung SMDK6410 + +# At least some of the SMDK6410s were shipped with the card detect +# for the MMC/SD slots connected to the same input. This means that +# either the boards need to be altered to have channel0 to an alternate +# configuration or that only one slot can be used. + +choice + prompt "SMDK6410 MMC/SD slot setup" + depends on MACH_SMDK6410 + +config SMDK6410_SD_CH0 + bool "Use channel 0 only" + depends on MACH_SMDK6410 + help + Select CON7 (channel 0) as the MMC/SD slot, as + at least some SMDK6410 boards come with the + resistors fitted so that the card detects for + channels 0 and 1 are the same. + +config SMDK6410_SD_CH1 + bool "Use channel 1 only" + depends on MACH_SMDK6410 + help + Select CON6 (channel 1) as the MMC/SD slot, as + at least some SMDK6410 boards come with the + resistors fitted so that the card detects for + channels 0 and 1 are the same. + +endchoice + +config SMDK6410_WM1190_EV1 + bool "Support Wolfson Microelectronics 1190-EV1 PMIC card" + depends on MACH_SMDK6410 + select REGULATOR + select REGULATOR_WM8350 + select SAMSUNG_GPIO_EXTRA64 + select MFD_WM8350_I2C + select MFD_WM8350_CONFIG_MODE_0 + select MFD_WM8350_CONFIG_MODE_3 + select MFD_WM8352_CONFIG_MODE_0 + help + The Wolfson Microelectronics 1190-EV1 is a WM835x based PMIC + and audio daughtercard for the Samsung SMDK6410 reference + platform. Enabling this option will build support for this + module into the kernel. The presence of the module will be + detected at runtime so the the resulting kernel can be used + with or without the 1190-EV1 fitted. + +config SMDK6410_WM1192_EV1 + bool "Support Wolfson Microelectronics 1192-EV1 PMIC card" + depends on MACH_SMDK6410 + select REGULATOR + select REGULATOR_WM831X + select SAMSUNG_GPIO_EXTRA64 + select MFD_WM831X + select MFD_WM831X_I2C + help + The Wolfson Microelectronics 1192-EV1 is a WM831x based PMIC + daughtercard for the Samsung SMDK6410 reference platform. + Enabling this option will build support for this module into + the kernel. The presence of the daughtercard will be + detected at runtime so the the resulting kernel can be used + with or without the 1192-EV1 fitted. + +config MACH_NCP + bool "NCP" + select CPU_S3C6410 + select S3C_DEV_I2C1 + select S3C_DEV_HSMMC1 + select S3C64XX_SETUP_I2C1 + help + Machine support for the Samsung NCP + +config MACH_HMT + bool "Airgoo HMT" + select CPU_S3C6410 + select S3C_DEV_FB + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + select S3C64XX_SETUP_FB_24BPP + select SAMSUNG_DEV_PWM + help + Machine support for the Airgoo HMT + +config MACH_SMARTQ + bool + select CPU_S3C6410 + select S3C_DEV_HSMMC + select S3C_DEV_HSMMC1 + select S3C_DEV_HSMMC2 + select S3C_DEV_FB + select S3C_DEV_HWMON + select S3C_DEV_RTC + select S3C_DEV_USB_HSOTG + select S3C_DEV_USB_HOST + select S3C64XX_SETUP_SDHCI + select S3C64XX_SETUP_FB_24BPP + select S3C64XX_SETUP_USB_PHY + select SAMSUNG_DEV_ADC + select SAMSUNG_DEV_PWM + select SAMSUNG_DEV_TS + help + Shared machine support for SmartQ 5/7 + +config MACH_SMARTQ5 + bool "SmartQ 5" + select MACH_SMARTQ + help + Machine support for the SmartQ 5 + +config MACH_SMARTQ7 + bool "SmartQ 7" + select MACH_SMARTQ + help + Machine support for the SmartQ 7 + +config MACH_WLF_CRAGG_6410 + bool "Wolfson Cragganmore 6410" + select CPU_S3C6410 + select S3C64XX_SETUP_SDHCI + select S3C64XX_SETUP_I2C1 + select S3C64XX_SETUP_IDE + select S3C64XX_SETUP_FB_24BPP + select S3C64XX_SETUP_KEYPAD + select S3C64XX_SETUP_SPI + select S3C64XX_SETUP_USB_PHY + select SAMSUNG_DEV_ADC + select SAMSUNG_DEV_KEYPAD + select S3C_DEV_USB_HOST + select S3C_DEV_USB_HSOTG + select S3C_DEV_HSMMC + select S3C_DEV_HSMMC1 + select S3C_DEV_HSMMC2 + select S3C_DEV_I2C1 + select S3C_DEV_WDT + select S3C_DEV_RTC + select S3C64XX_DEV_SPI0 + select SAMSUNG_GPIO_EXTRA128 + select I2C + select LEDS_GPIO_REGISTER + help + Machine support for the Wolfson Cragganmore S3C6410 variant. diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile new file mode 100644 index 00000000..f9ce1dc2 --- /dev/null +++ b/arch/arm/mach-s3c64xx/Makefile @@ -0,0 +1,60 @@ +# arch/arm/mach-s3c64xx/Makefile +# +# Copyright 2008 Openmoko, Inc. +# Copyright 2008 Simtec Electronics +# +# Licensed under GPLv2 + +obj-y := +obj-m := +obj-n := +obj- := + +# Core + +obj-y += common.o clock.o + +# Core support + +obj-$(CONFIG_CPU_S3C6400) += s3c6400.o +obj-$(CONFIG_CPU_S3C6410) += s3c6410.o + +# PM + +obj-$(CONFIG_PM) += pm.o irq-pm.o sleep.o +obj-$(CONFIG_CPU_IDLE) += cpuidle.o + +# DMA support + +obj-$(CONFIG_S3C64XX_DMA) += dma.o + +# Device support + +obj-y += dev-uart.o +obj-y += dev-audio.o +obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o + +# Device setup + +obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o +obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o +obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o +obj-$(CONFIG_S3C64XX_SETUP_IDE) += setup-ide.o +obj-$(CONFIG_S3C64XX_SETUP_KEYPAD) += setup-keypad.o +obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o +obj-$(CONFIG_S3C64XX_SETUP_SPI) += setup-spi.o +obj-$(CONFIG_S3C64XX_SETUP_USB_PHY) += setup-usb-phy.o + +# Machine support + +obj-$(CONFIG_MACH_ANW6410) += mach-anw6410.o +obj-$(CONFIG_MACH_HMT) += mach-hmt.o +obj-$(CONFIG_MACH_MINI6410) += mach-mini6410.o +obj-$(CONFIG_MACH_NCP) += mach-ncp.o +obj-$(CONFIG_MACH_REAL6410) += mach-real6410.o +obj-$(CONFIG_MACH_SMARTQ) += mach-smartq.o +obj-$(CONFIG_MACH_SMARTQ5) += mach-smartq5.o +obj-$(CONFIG_MACH_SMARTQ7) += mach-smartq7.o +obj-$(CONFIG_MACH_SMDK6400) += mach-smdk6400.o +obj-$(CONFIG_MACH_SMDK6410) += mach-smdk6410.o +obj-$(CONFIG_MACH_WLF_CRAGG_6410) += mach-crag6410.o mach-crag6410-module.o diff --git a/arch/arm/mach-s3c64xx/Makefile.boot b/arch/arm/mach-s3c64xx/Makefile.boot new file mode 100644 index 00000000..c642333a --- /dev/null +++ b/arch/arm/mach-s3c64xx/Makefile.boot @@ -0,0 +1,2 @@ + zreladdr-y += 0x50008000 +params_phys-y := 0x50000100 diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c new file mode 100644 index 00000000..52f079a6 --- /dev/null +++ b/arch/arm/mach-s3c64xx/clock.c @@ -0,0 +1,998 @@ +/* linux/arch/arm/plat-s3c64xx/clock.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX Base clock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include + +/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call + * ext_xtal_mux for want of an actual name from the manual. +*/ + +static struct clk clk_ext_xtal_mux = { + .name = "ext_xtal", +}; + +#define clk_fin_apll clk_ext_xtal_mux +#define clk_fin_mpll clk_ext_xtal_mux +#define clk_fin_epll clk_ext_xtal_mux + +#define clk_fout_mpll clk_mpll +#define clk_fout_epll clk_epll + +struct clk clk_h2 = { + .name = "hclk2", + .rate = 0, +}; + +struct clk clk_27m = { + .name = "clk_27m", + .rate = 27000000, +}; + +static int clk_48m_ctrl(struct clk *clk, int enable) +{ + unsigned long flags; + u32 val; + + /* can't rely on clock lock, this register has other usages */ + local_irq_save(flags); + + val = __raw_readl(S3C64XX_OTHERS); + if (enable) + val |= S3C64XX_OTHERS_USBMASK; + else + val &= ~S3C64XX_OTHERS_USBMASK; + + __raw_writel(val, S3C64XX_OTHERS); + local_irq_restore(flags); + + return 0; +} + +struct clk clk_48m = { + .name = "clk_48m", + .rate = 48000000, + .enable = clk_48m_ctrl, +}; + +struct clk clk_xusbxti = { + .name = "xusbxti", + .rate = 48000000, +}; + +static int inline s3c64xx_gate(void __iomem *reg, + struct clk *clk, + int enable) +{ + unsigned int ctrlbit = clk->ctrlbit; + u32 con; + + con = __raw_readl(reg); + + if (enable) + con |= ctrlbit; + else + con &= ~ctrlbit; + + __raw_writel(con, reg); + return 0; +} + +static int s3c64xx_pclk_ctrl(struct clk *clk, int enable) +{ + return s3c64xx_gate(S3C_PCLK_GATE, clk, enable); +} + +static int s3c64xx_hclk_ctrl(struct clk *clk, int enable) +{ + return s3c64xx_gate(S3C_HCLK_GATE, clk, enable); +} + +int s3c64xx_sclk_ctrl(struct clk *clk, int enable) +{ + return s3c64xx_gate(S3C_SCLK_GATE, clk, enable); +} + +static struct clk init_clocks_off[] = { + { + .name = "nand", + .parent = &clk_h, + }, { + .name = "rtc", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_RTC, + }, { + .name = "adc", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_TSADC, + }, { + .name = "i2c", +#ifdef CONFIG_S3C_DEV_I2C1 + .devname = "s3c2440-i2c.0", +#else + .devname = "s3c2440-i2c", +#endif + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_IIC, + }, { + .name = "i2c", + .devname = "s3c2440-i2c.1", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C6410_CLKCON_PCLK_I2C1, + }, { + .name = "iis", + .devname = "samsung-i2s.0", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_IIS0, + }, { + .name = "iis", + .devname = "samsung-i2s.1", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_IIS1, + }, { +#ifdef CONFIG_CPU_S3C6410 + .name = "iis", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C6410_CLKCON_PCLK_IIS2, + }, { +#endif + .name = "keypad", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_KEYPAD, + }, { + .name = "spi", + .devname = "s3c64xx-spi.0", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_SPI0, + }, { + .name = "spi", + .devname = "s3c64xx-spi.1", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_SPI1, + }, { + .name = "48m", + .devname = "s3c-sdhci.0", + .parent = &clk_48m, + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_MMC0_48, + }, { + .name = "48m", + .devname = "s3c-sdhci.1", + .parent = &clk_48m, + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_MMC1_48, + }, { + .name = "48m", + .devname = "s3c-sdhci.2", + .parent = &clk_48m, + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_MMC2_48, + }, { + .name = "ac97", + .parent = &clk_p, + .ctrlbit = S3C_CLKCON_PCLK_AC97, + }, { + .name = "cfcon", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_IHOST, + }, { + .name = "dma0", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_DMA0, + }, { + .name = "dma1", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_DMA1, + }, { + .name = "3dse", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_3DSE, + }, { + .name = "hclk_secur", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_SECUR, + }, { + .name = "sdma1", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_SDMA1, + }, { + .name = "sdma0", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_SDMA0, + }, { + .name = "hclk_jpeg", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_JPEG, + }, { + .name = "camif", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_CAMIF, + }, { + .name = "hclk_scaler", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_SCALER, + }, { + .name = "2d", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_2D, + }, { + .name = "tv", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_TV, + }, { + .name = "post0", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_POST0, + }, { + .name = "rot", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_ROT, + }, { + .name = "hclk_mfc", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_MFC, + }, { + .name = "pclk_mfc", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_MFC, + }, { + .name = "dac27", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_DAC27, + }, { + .name = "tv27", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_TV27, + }, { + .name = "scaler27", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_SCALER27, + }, { + .name = "sclk_scaler", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_SCALER, + }, { + .name = "post0_27", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_POST0_27, + }, { + .name = "secur", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_SECUR, + }, { + .name = "sclk_mfc", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_MFC, + }, { + .name = "cam", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_CAM, + }, { + .name = "sclk_jpeg", + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_JPEG, + }, +}; + +static struct clk clk_48m_spi0 = { + .name = "spi_48m", + .devname = "s3c64xx-spi.0", + .parent = &clk_48m, + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_SPI0_48, +}; + +static struct clk clk_48m_spi1 = { + .name = "spi_48m", + .devname = "s3c64xx-spi.1", + .parent = &clk_48m, + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_SPI1_48, +}; + +static struct clk init_clocks[] = { + { + .name = "lcd", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_LCD, + }, { + .name = "gpio", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_GPIO, + }, { + .name = "usb-host", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_UHOST, + }, { + .name = "otg", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_USB, + }, { + .name = "timers", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_PWM, + }, { + .name = "uart", + .devname = "s3c6400-uart.0", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_UART0, + }, { + .name = "uart", + .devname = "s3c6400-uart.1", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_UART1, + }, { + .name = "uart", + .devname = "s3c6400-uart.2", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_UART2, + }, { + .name = "uart", + .devname = "s3c6400-uart.3", + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_UART3, + }, { + .name = "watchdog", + .parent = &clk_p, + .ctrlbit = S3C_CLKCON_PCLK_WDT, + }, +}; + +static struct clk clk_hsmmc0 = { + .name = "hsmmc", + .devname = "s3c-sdhci.0", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_HSMMC0, +}; + +static struct clk clk_hsmmc1 = { + .name = "hsmmc", + .devname = "s3c-sdhci.1", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_HSMMC1, +}; + +static struct clk clk_hsmmc2 = { + .name = "hsmmc", + .devname = "s3c-sdhci.2", + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_HSMMC2, +}; + +static struct clk clk_fout_apll = { + .name = "fout_apll", +}; + +static struct clk *clk_src_apll_list[] = { + [0] = &clk_fin_apll, + [1] = &clk_fout_apll, +}; + +static struct clksrc_sources clk_src_apll = { + .sources = clk_src_apll_list, + .nr_sources = ARRAY_SIZE(clk_src_apll_list), +}; + +static struct clksrc_clk clk_mout_apll = { + .clk = { + .name = "mout_apll", + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 0, .size = 1 }, + .sources = &clk_src_apll, +}; + +static struct clk *clk_src_epll_list[] = { + [0] = &clk_fin_epll, + [1] = &clk_fout_epll, +}; + +static struct clksrc_sources clk_src_epll = { + .sources = clk_src_epll_list, + .nr_sources = ARRAY_SIZE(clk_src_epll_list), +}; + +static struct clksrc_clk clk_mout_epll = { + .clk = { + .name = "mout_epll", + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 2, .size = 1 }, + .sources = &clk_src_epll, +}; + +static struct clk *clk_src_mpll_list[] = { + [0] = &clk_fin_mpll, + [1] = &clk_fout_mpll, +}; + +static struct clksrc_sources clk_src_mpll = { + .sources = clk_src_mpll_list, + .nr_sources = ARRAY_SIZE(clk_src_mpll_list), +}; + +static struct clksrc_clk clk_mout_mpll = { + .clk = { + .name = "mout_mpll", + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 1, .size = 1 }, + .sources = &clk_src_mpll, +}; + +static unsigned int armclk_mask; + +static unsigned long s3c64xx_clk_arm_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + u32 clkdiv; + + /* divisor mask starts at bit0, so no need to shift */ + clkdiv = __raw_readl(S3C_CLK_DIV0) & armclk_mask; + + return rate / (clkdiv + 1); +} + +static unsigned long s3c64xx_clk_arm_round_rate(struct clk *clk, + unsigned long rate) +{ + unsigned long parent = clk_get_rate(clk->parent); + u32 div; + + if (parent < rate) + return parent; + + div = (parent / rate) - 1; + if (div > armclk_mask) + div = armclk_mask; + + return parent / (div + 1); +} + +static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned long parent = clk_get_rate(clk->parent); + u32 div; + u32 val; + + if (rate < parent / (armclk_mask + 1)) + return -EINVAL; + + rate = clk_round_rate(clk, rate); + div = clk_get_rate(clk->parent) / rate; + + val = __raw_readl(S3C_CLK_DIV0); + val &= ~armclk_mask; + val |= (div - 1); + __raw_writel(val, S3C_CLK_DIV0); + + return 0; + +} + +static struct clk clk_arm = { + .name = "armclk", + .parent = &clk_mout_apll.clk, + .ops = &(struct clk_ops) { + .get_rate = s3c64xx_clk_arm_get_rate, + .set_rate = s3c64xx_clk_arm_set_rate, + .round_rate = s3c64xx_clk_arm_round_rate, + }, +}; + +static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + + printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); + + if (__raw_readl(S3C_CLK_DIV0) & S3C6400_CLKDIV0_MPLL_MASK) + rate /= 2; + + return rate; +} + +static struct clk_ops clk_dout_ops = { + .get_rate = s3c64xx_clk_doutmpll_get_rate, +}; + +static struct clk clk_dout_mpll = { + .name = "dout_mpll", + .parent = &clk_mout_mpll.clk, + .ops = &clk_dout_ops, +}; + +static struct clk *clkset_spi_mmc_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, + &clk_27m, +}; + +static struct clksrc_sources clkset_spi_mmc = { + .sources = clkset_spi_mmc_list, + .nr_sources = ARRAY_SIZE(clkset_spi_mmc_list), +}; + +static struct clk *clkset_irda_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + NULL, + &clk_27m, +}; + +static struct clksrc_sources clkset_irda = { + .sources = clkset_irda_list, + .nr_sources = ARRAY_SIZE(clkset_irda_list), +}; + +static struct clk *clkset_uart_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + NULL, + NULL +}; + +static struct clksrc_sources clkset_uart = { + .sources = clkset_uart_list, + .nr_sources = ARRAY_SIZE(clkset_uart_list), +}; + +static struct clk *clkset_uhost_list[] = { + &clk_48m, + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, +}; + +static struct clksrc_sources clkset_uhost = { + .sources = clkset_uhost_list, + .nr_sources = ARRAY_SIZE(clkset_uhost_list), +}; + +/* The peripheral clocks are all controlled via clocksource followed + * by an optional divider and gate stage. We currently roll this into + * one clock which hides the intermediate clock from the mux. + * + * Note, the JPEG clock can only be an even divider... + * + * The scaler and LCD clocks depend on the S3C64XX version, and also + * have a common parent divisor so are not included here. + */ + +/* clocks that feed other parts of the clock source tree */ + +static struct clk clk_iis_cd0 = { + .name = "iis_cdclk0", +}; + +static struct clk clk_iis_cd1 = { + .name = "iis_cdclk1", +}; + +static struct clk clk_iisv4_cd = { + .name = "iis_cdclk_v4", +}; + +static struct clk clk_pcm_cd = { + .name = "pcm_cdclk", +}; + +static struct clk *clkset_audio0_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_dout_mpll, + [2] = &clk_fin_epll, + [3] = &clk_iis_cd0, + [4] = &clk_pcm_cd, +}; + +static struct clksrc_sources clkset_audio0 = { + .sources = clkset_audio0_list, + .nr_sources = ARRAY_SIZE(clkset_audio0_list), +}; + +static struct clk *clkset_audio1_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_dout_mpll, + [2] = &clk_fin_epll, + [3] = &clk_iis_cd1, + [4] = &clk_pcm_cd, +}; + +static struct clksrc_sources clkset_audio1 = { + .sources = clkset_audio1_list, + .nr_sources = ARRAY_SIZE(clkset_audio1_list), +}; + +static struct clk *clkset_audio2_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_dout_mpll, + [2] = &clk_fin_epll, + [3] = &clk_iisv4_cd, + [4] = &clk_pcm_cd, +}; + +static struct clksrc_sources clkset_audio2 = { + .sources = clkset_audio2_list, + .nr_sources = ARRAY_SIZE(clkset_audio2_list), +}; + +static struct clk *clkset_camif_list[] = { + &clk_h2, +}; + +static struct clksrc_sources clkset_camif = { + .sources = clkset_camif_list, + .nr_sources = ARRAY_SIZE(clkset_camif_list), +}; + +static struct clksrc_clk clksrcs[] = { + { + .clk = { + .name = "usb-bus-host", + .ctrlbit = S3C_CLKCON_SCLK_UHOST, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 5, .size = 2 }, + .reg_div = { .reg = S3C_CLK_DIV1, .shift = 20, .size = 4 }, + .sources = &clkset_uhost, + }, { + .clk = { + .name = "audio-bus", + .devname = "samsung-i2s.0", + .ctrlbit = S3C_CLKCON_SCLK_AUDIO0, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 7, .size = 3 }, + .reg_div = { .reg = S3C_CLK_DIV2, .shift = 8, .size = 4 }, + .sources = &clkset_audio0, + }, { + .clk = { + .name = "audio-bus", + .devname = "samsung-i2s.1", + .ctrlbit = S3C_CLKCON_SCLK_AUDIO1, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 10, .size = 3 }, + .reg_div = { .reg = S3C_CLK_DIV2, .shift = 12, .size = 4 }, + .sources = &clkset_audio1, + }, { + .clk = { + .name = "audio-bus", + .devname = "samsung-i2s.2", + .ctrlbit = S3C6410_CLKCON_SCLK_AUDIO2, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C6410_CLK_SRC2, .shift = 0, .size = 3 }, + .reg_div = { .reg = S3C_CLK_DIV2, .shift = 24, .size = 4 }, + .sources = &clkset_audio2, + }, { + .clk = { + .name = "irda-bus", + .ctrlbit = S3C_CLKCON_SCLK_IRDA, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 24, .size = 2 }, + .reg_div = { .reg = S3C_CLK_DIV2, .shift = 20, .size = 4 }, + .sources = &clkset_irda, + }, { + .clk = { + .name = "camera", + .ctrlbit = S3C_CLKCON_SCLK_CAM, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_div = { .reg = S3C_CLK_DIV0, .shift = 20, .size = 4 }, + .reg_src = { .reg = NULL, .shift = 0, .size = 0 }, + .sources = &clkset_camif, + }, +}; + +/* Where does UCLK0 come from? */ +static struct clksrc_clk clk_sclk_uclk = { + .clk = { + .name = "uclk1", + .ctrlbit = S3C_CLKCON_SCLK_UART, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 13, .size = 1 }, + .reg_div = { .reg = S3C_CLK_DIV2, .shift = 16, .size = 4 }, + .sources = &clkset_uart, +}; + +static struct clksrc_clk clk_sclk_mmc0 = { + .clk = { + .name = "mmc_bus", + .devname = "s3c-sdhci.0", + .ctrlbit = S3C_CLKCON_SCLK_MMC0, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 18, .size = 2 }, + .reg_div = { .reg = S3C_CLK_DIV1, .shift = 0, .size = 4 }, + .sources = &clkset_spi_mmc, +}; + +static struct clksrc_clk clk_sclk_mmc1 = { + .clk = { + .name = "mmc_bus", + .devname = "s3c-sdhci.1", + .ctrlbit = S3C_CLKCON_SCLK_MMC1, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 20, .size = 2 }, + .reg_div = { .reg = S3C_CLK_DIV1, .shift = 4, .size = 4 }, + .sources = &clkset_spi_mmc, +}; + +static struct clksrc_clk clk_sclk_mmc2 = { + .clk = { + .name = "mmc_bus", + .devname = "s3c-sdhci.2", + .ctrlbit = S3C_CLKCON_SCLK_MMC2, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 22, .size = 2 }, + .reg_div = { .reg = S3C_CLK_DIV1, .shift = 8, .size = 4 }, + .sources = &clkset_spi_mmc, +}; + +static struct clksrc_clk clk_sclk_spi0 = { + .clk = { + .name = "spi-bus", + .devname = "s3c64xx-spi.0", + .ctrlbit = S3C_CLKCON_SCLK_SPI0, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 14, .size = 2 }, + .reg_div = { .reg = S3C_CLK_DIV2, .shift = 0, .size = 4 }, + .sources = &clkset_spi_mmc, +}; + +static struct clksrc_clk clk_sclk_spi1 = { + .clk = { + .name = "spi-bus", + .devname = "s3c64xx-spi.1", + .ctrlbit = S3C_CLKCON_SCLK_SPI1, + .enable = s3c64xx_sclk_ctrl, + }, + .reg_src = { .reg = S3C_CLK_SRC, .shift = 16, .size = 2 }, + .reg_div = { .reg = S3C_CLK_DIV2, .shift = 4, .size = 4 }, + .sources = &clkset_spi_mmc, +}; + +/* Clock initialisation code */ + +static struct clksrc_clk *init_parents[] = { + &clk_mout_apll, + &clk_mout_epll, + &clk_mout_mpll, +}; + +static struct clksrc_clk *clksrc_cdev[] = { + &clk_sclk_uclk, + &clk_sclk_mmc0, + &clk_sclk_mmc1, + &clk_sclk_mmc2, + &clk_sclk_spi0, + &clk_sclk_spi1, +}; + +static struct clk *clk_cdev[] = { + &clk_hsmmc0, + &clk_hsmmc1, + &clk_hsmmc2, + &clk_48m_spi0, + &clk_48m_spi1, +}; + +static struct clk_lookup s3c64xx_clk_lookup[] = { + CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), + CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk), + CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0), + CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1), + CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2), + CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), + CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), + CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), + CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), + CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), + CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_48m_spi0), + CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), + CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk2", &clk_48m_spi1), +}; + +#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) + +void __init_or_cpufreq s3c64xx_setup_clocks(void) +{ + struct clk *xtal_clk; + unsigned long xtal; + unsigned long fclk; + unsigned long hclk; + unsigned long hclk2; + unsigned long pclk; + unsigned long epll; + unsigned long apll; + unsigned long mpll; + unsigned int ptr; + u32 clkdiv0; + + printk(KERN_DEBUG "%s: registering clocks\n", __func__); + + clkdiv0 = __raw_readl(S3C_CLK_DIV0); + printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0); + + xtal_clk = clk_get(NULL, "xtal"); + BUG_ON(IS_ERR(xtal_clk)); + + xtal = clk_get_rate(xtal_clk); + clk_put(xtal_clk); + + printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); + + /* For now assume the mux always selects the crystal */ + clk_ext_xtal_mux.parent = xtal_clk; + + epll = s3c_get_pll6553x(xtal, __raw_readl(S3C_EPLL_CON0), + __raw_readl(S3C_EPLL_CON1)); + mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); + apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); + + fclk = mpll; + + printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n", + apll, mpll, epll); + + if(__raw_readl(S3C64XX_OTHERS) & S3C64XX_OTHERS_SYNCMUXSEL) + /* Synchronous mode */ + hclk2 = apll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); + else + /* Asynchronous mode */ + hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); + + hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK); + pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK); + + printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n", + hclk2, hclk, pclk); + + clk_fout_mpll.rate = mpll; + clk_fout_epll.rate = epll; + clk_fout_apll.rate = apll; + + clk_h2.rate = hclk2; + clk_h.rate = hclk; + clk_p.rate = pclk; + clk_f.rate = fclk; + + for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++) + s3c_set_clksrc(init_parents[ptr], true); + + for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) + s3c_set_clksrc(&clksrcs[ptr], true); +} + +static struct clk *clks1[] __initdata = { + &clk_ext_xtal_mux, + &clk_iis_cd0, + &clk_iis_cd1, + &clk_iisv4_cd, + &clk_pcm_cd, + &clk_mout_epll.clk, + &clk_mout_mpll.clk, + &clk_dout_mpll, + &clk_arm, +}; + +static struct clk *clks[] __initdata = { + &clk_ext, + &clk_epll, + &clk_27m, + &clk_48m, + &clk_h2, + &clk_xusbxti, +}; + +/** + * s3c64xx_register_clocks - register clocks for s3c6400 and s3c6410 + * @xtal: The rate for the clock crystal feeding the PLLs. + * @armclk_divlimit: Divisor mask for ARMCLK. + * + * Register the clocks for the S3C6400 and S3C6410 SoC range, such + * as ARMCLK as well as the necessary parent clocks. + * + * This call does not setup the clocks, which is left to the + * s3c64xx_setup_clocks() call which may be needed by the cpufreq + * or resume code to re-set the clocks if the bootloader has changed + * them. + */ +void __init s3c64xx_register_clocks(unsigned long xtal, + unsigned armclk_divlimit) +{ + unsigned int cnt; + + armclk_mask = armclk_divlimit; + + s3c24xx_register_baseclocks(xtal); + s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); + + s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); + + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + + s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev)); + for (cnt = 0; cnt < ARRAY_SIZE(clk_cdev); cnt++) + s3c_disable_clocks(clk_cdev[cnt], 1); + + s3c24xx_register_clocks(clks1, ARRAY_SIZE(clks1)); + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); + for (cnt = 0; cnt < ARRAY_SIZE(clksrc_cdev); cnt++) + s3c_register_clksrc(clksrc_cdev[cnt], 1); + clkdev_add_table(s3c64xx_clk_lookup, ARRAY_SIZE(s3c64xx_clk_lookup)); + + s3c_pwmclk_init(); +} diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c new file mode 100644 index 00000000..b3133803 --- /dev/null +++ b/arch/arm/mach-s3c64xx/common.c @@ -0,0 +1,386 @@ +/* + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * Common Codes for S3C64XX machines + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "common.h" + +/* uart registration process */ + +static void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c6400-uart", s3c64xx_uart_resources, cfg, no); +} + +/* table of supported CPUs */ + +static const char name_s3c6400[] = "S3C6400"; +static const char name_s3c6410[] = "S3C6410"; + +static struct cpu_table cpu_ids[] __initdata = { + { + .idcode = S3C6400_CPU_ID, + .idmask = S3C64XX_CPU_MASK, + .map_io = s3c6400_map_io, + .init_clocks = s3c6400_init_clocks, + .init_uarts = s3c64xx_init_uarts, + .init = s3c6400_init, + .name = name_s3c6400, + }, { + .idcode = S3C6410_CPU_ID, + .idmask = S3C64XX_CPU_MASK, + .map_io = s3c6410_map_io, + .init_clocks = s3c6410_init_clocks, + .init_uarts = s3c64xx_init_uarts, + .init = s3c6410_init, + .name = name_s3c6410, + }, +}; + +/* minimal IO mapping */ + +/* see notes on uart map in arch/arm/mach-s3c64xx/include/mach/debug-macro.S */ +#define UART_OFFS (S3C_PA_UART & 0xfffff) + +static struct map_desc s3c_iodesc[] __initdata = { + { + .virtual = (unsigned long)S3C_VA_SYS, + .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C_VA_MEM, + .pfn = __phys_to_pfn(S3C64XX_PA_SROM), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)(S3C_VA_UART + UART_OFFS), + .pfn = __phys_to_pfn(S3C_PA_UART), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)VA_VIC0, + .pfn = __phys_to_pfn(S3C64XX_PA_VIC0), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)VA_VIC1, + .pfn = __phys_to_pfn(S3C64XX_PA_VIC1), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C_VA_TIMER, + .pfn = __phys_to_pfn(S3C_PA_TIMER), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C64XX_VA_GPIO, + .pfn = __phys_to_pfn(S3C64XX_PA_GPIO), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C64XX_VA_MODEM, + .pfn = __phys_to_pfn(S3C64XX_PA_MODEM), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C_VA_WATCHDOG, + .pfn = __phys_to_pfn(S3C64XX_PA_WATCHDOG), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C_VA_USB_HSPHY, + .pfn = __phys_to_pfn(S3C64XX_PA_USB_HSPHY), + .length = SZ_1K, + .type = MT_DEVICE, + }, +}; + +static struct bus_type s3c64xx_subsys = { + .name = "s3c64xx-core", + .dev_name = "s3c64xx-core", +}; + +static struct device s3c64xx_dev = { + .bus = &s3c64xx_subsys, +}; + +/* read cpu identification code */ + +void __init s3c64xx_init_io(struct map_desc *mach_desc, int size) +{ + /* initialise the io descriptors we need for initialisation */ + iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); + iotable_init(mach_desc, size); + init_consistent_dma_size(SZ_8M); + + /* detect cpu id */ + s3c64xx_init_cpu(); + + s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); +} + +static __init int s3c64xx_dev_init(void) +{ + subsys_system_register(&s3c64xx_subsys, NULL); + return device_register(&s3c64xx_dev); +} +core_initcall(s3c64xx_dev_init); + +/* + * setup the sources the vic should advertise resume + * for, even though it is not doing the wake + * (set_irq_wake needs to be valid) + */ +#define IRQ_VIC0_RESUME (1 << (IRQ_RTC_TIC - IRQ_VIC0_BASE)) +#define IRQ_VIC1_RESUME (1 << (IRQ_RTC_ALARM - IRQ_VIC1_BASE) | \ + 1 << (IRQ_PENDN - IRQ_VIC1_BASE) | \ + 1 << (IRQ_HSMMC0 - IRQ_VIC1_BASE) | \ + 1 << (IRQ_HSMMC1 - IRQ_VIC1_BASE) | \ + 1 << (IRQ_HSMMC2 - IRQ_VIC1_BASE)) + +void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid) +{ + printk(KERN_DEBUG "%s: initialising interrupts\n", __func__); + + /* initialise the pair of VICs */ + vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, IRQ_VIC0_RESUME); + vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, IRQ_VIC1_RESUME); + + /* add the timer sub-irqs */ + s3c_init_vic_timer_irq(5, IRQ_TIMER0); +} + +#define eint_offset(irq) ((irq) - IRQ_EINT(0)) +#define eint_irq_to_bit(irq) ((u32)(1 << eint_offset(irq))) + +static inline void s3c_irq_eint_mask(struct irq_data *data) +{ + u32 mask; + + mask = __raw_readl(S3C64XX_EINT0MASK); + mask |= (u32)data->chip_data; + __raw_writel(mask, S3C64XX_EINT0MASK); +} + +static void s3c_irq_eint_unmask(struct irq_data *data) +{ + u32 mask; + + mask = __raw_readl(S3C64XX_EINT0MASK); + mask &= ~((u32)data->chip_data); + __raw_writel(mask, S3C64XX_EINT0MASK); +} + +static inline void s3c_irq_eint_ack(struct irq_data *data) +{ + __raw_writel((u32)data->chip_data, S3C64XX_EINT0PEND); +} + +static void s3c_irq_eint_maskack(struct irq_data *data) +{ + /* compiler should in-line these */ + s3c_irq_eint_mask(data); + s3c_irq_eint_ack(data); +} + +static int s3c_irq_eint_set_type(struct irq_data *data, unsigned int type) +{ + int offs = eint_offset(data->irq); + int pin, pin_val; + int shift; + u32 ctrl, mask; + u32 newvalue = 0; + void __iomem *reg; + + if (offs > 27) + return -EINVAL; + + if (offs <= 15) + reg = S3C64XX_EINT0CON0; + else + reg = S3C64XX_EINT0CON1; + + switch (type) { + case IRQ_TYPE_NONE: + printk(KERN_WARNING "No edge setting!\n"); + break; + + case IRQ_TYPE_EDGE_RISING: + newvalue = S3C2410_EXTINT_RISEEDGE; + break; + + case IRQ_TYPE_EDGE_FALLING: + newvalue = S3C2410_EXTINT_FALLEDGE; + break; + + case IRQ_TYPE_EDGE_BOTH: + newvalue = S3C2410_EXTINT_BOTHEDGE; + break; + + case IRQ_TYPE_LEVEL_LOW: + newvalue = S3C2410_EXTINT_LOWLEV; + break; + + case IRQ_TYPE_LEVEL_HIGH: + newvalue = S3C2410_EXTINT_HILEV; + break; + + default: + printk(KERN_ERR "No such irq type %d", type); + return -1; + } + + if (offs <= 15) + shift = (offs / 2) * 4; + else + shift = ((offs - 16) / 2) * 4; + mask = 0x7 << shift; + + ctrl = __raw_readl(reg); + ctrl &= ~mask; + ctrl |= newvalue << shift; + __raw_writel(ctrl, reg); + + /* set the GPIO pin appropriately */ + + if (offs < 16) { + pin = S3C64XX_GPN(offs); + pin_val = S3C_GPIO_SFN(2); + } else if (offs < 23) { + pin = S3C64XX_GPL(offs + 8 - 16); + pin_val = S3C_GPIO_SFN(3); + } else { + pin = S3C64XX_GPM(offs - 23); + pin_val = S3C_GPIO_SFN(3); + } + + s3c_gpio_cfgpin(pin, pin_val); + + return 0; +} + +static struct irq_chip s3c_irq_eint = { + .name = "s3c-eint", + .irq_mask = s3c_irq_eint_mask, + .irq_unmask = s3c_irq_eint_unmask, + .irq_mask_ack = s3c_irq_eint_maskack, + .irq_ack = s3c_irq_eint_ack, + .irq_set_type = s3c_irq_eint_set_type, + .irq_set_wake = s3c_irqext_wake, +}; + +/* s3c_irq_demux_eint + * + * This function demuxes the IRQ from the group0 external interrupts, + * from IRQ_EINT(0) to IRQ_EINT(27). It is designed to be inlined into + * the specific handlers s3c_irq_demux_eintX_Y. + */ +static inline void s3c_irq_demux_eint(unsigned int start, unsigned int end) +{ + u32 status = __raw_readl(S3C64XX_EINT0PEND); + u32 mask = __raw_readl(S3C64XX_EINT0MASK); + unsigned int irq; + + status &= ~mask; + status >>= start; + status &= (1 << (end - start + 1)) - 1; + + for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) { + if (status & 1) + generic_handle_irq(irq); + + status >>= 1; + } +} + +static void s3c_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_eint(0, 3); +} + +static void s3c_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_eint(4, 11); +} + +static void s3c_irq_demux_eint12_19(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_eint(12, 19); +} + +static void s3c_irq_demux_eint20_27(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_eint(20, 27); +} + +static int __init s3c64xx_init_irq_eint(void) +{ + int irq; + + for (irq = IRQ_EINT(0); irq <= IRQ_EINT(27); irq++) { + irq_set_chip_and_handler(irq, &s3c_irq_eint, handle_level_irq); + irq_set_chip_data(irq, (void *)eint_irq_to_bit(irq)); + set_irq_flags(irq, IRQF_VALID); + } + + irq_set_chained_handler(IRQ_EINT0_3, s3c_irq_demux_eint0_3); + irq_set_chained_handler(IRQ_EINT4_11, s3c_irq_demux_eint4_11); + irq_set_chained_handler(IRQ_EINT12_19, s3c_irq_demux_eint12_19); + irq_set_chained_handler(IRQ_EINT20_27, s3c_irq_demux_eint20_27); + + return 0; +} +arch_initcall(s3c64xx_init_irq_eint); + +void s3c64xx_restart(char mode, const char *cmd) +{ + if (mode != 's') + arch_wdt_reset(); + + /* if all else fails, or mode was for soft, jump to 0 */ + soft_restart(0); +} diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h new file mode 100644 index 00000000..7a10be62 --- /dev/null +++ b/arch/arm/mach-s3c64xx/common.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * Common Header for S3C64XX machines + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARCH_ARM_MACH_S3C64XX_COMMON_H +#define __ARCH_ARM_MACH_S3C64XX_COMMON_H + +void s3c64xx_init_irq(u32 vic0, u32 vic1); +void s3c64xx_init_io(struct map_desc *mach_desc, int size); + +void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit); +void s3c64xx_setup_clocks(void); + +void s3c64xx_restart(char mode, const char *cmd); + +#ifdef CONFIG_CPU_S3C6400 + +extern int s3c6400_init(void); +extern void s3c6400_init_irq(void); +extern void s3c6400_map_io(void); +extern void s3c6400_init_clocks(int xtal); + +#else +#define s3c6400_init_clocks NULL +#define s3c6400_map_io NULL +#define s3c6400_init NULL +#endif + +#ifdef CONFIG_CPU_S3C6410 + +extern int s3c6410_init(void); +extern void s3c6410_init_irq(void); +extern void s3c6410_map_io(void); +extern void s3c6410_init_clocks(int xtal); + +#else +#define s3c6410_init_clocks NULL +#define s3c6410_map_io NULL +#define s3c6410_init NULL +#endif + +#endif /* __ARCH_ARM_MACH_S3C64XX_COMMON_H */ diff --git a/arch/arm/mach-s3c64xx/cpuidle.c b/arch/arm/mach-s3c64xx/cpuidle.c new file mode 100644 index 00000000..179460f3 --- /dev/null +++ b/arch/arm/mach-s3c64xx/cpuidle.c @@ -0,0 +1,91 @@ +/* linux/arch/arm/mach-s3c64xx/cpuidle.c + * + * Copyright (c) 2011 Wolfson Microelectronics, plc + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include +#include +#include +#include + +#include + +#include + +#include +#include + +static int s3c64xx_enter_idle(struct cpuidle_device *dev, + struct cpuidle_driver *drv, + int index) +{ + struct timeval before, after; + unsigned long tmp; + int idle_time; + + local_irq_disable(); + do_gettimeofday(&before); + + /* Setup PWRCFG to enter idle mode */ + tmp = __raw_readl(S3C64XX_PWR_CFG); + tmp &= ~S3C64XX_PWRCFG_CFG_WFI_MASK; + tmp |= S3C64XX_PWRCFG_CFG_WFI_IDLE; + __raw_writel(tmp, S3C64XX_PWR_CFG); + + cpu_do_idle(); + + do_gettimeofday(&after); + local_irq_enable(); + idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC + + (after.tv_usec - before.tv_usec); + + dev->last_residency = idle_time; + return index; +} + +static struct cpuidle_state s3c64xx_cpuidle_set[] = { + [0] = { + .enter = s3c64xx_enter_idle, + .exit_latency = 1, + .target_residency = 1, + .flags = CPUIDLE_FLAG_TIME_VALID, + .name = "IDLE", + .desc = "System active, ARM gated", + }, +}; + +static struct cpuidle_driver s3c64xx_cpuidle_driver = { + .name = "s3c64xx_cpuidle", + .owner = THIS_MODULE, + .state_count = ARRAY_SIZE(s3c64xx_cpuidle_set), +}; + +static struct cpuidle_device s3c64xx_cpuidle_device = { + .state_count = ARRAY_SIZE(s3c64xx_cpuidle_set), +}; + +static int __init s3c64xx_init_cpuidle(void) +{ + int ret; + + memcpy(s3c64xx_cpuidle_driver.states, s3c64xx_cpuidle_set, + sizeof(s3c64xx_cpuidle_set)); + cpuidle_register_driver(&s3c64xx_cpuidle_driver); + + ret = cpuidle_register_device(&s3c64xx_cpuidle_device); + if (ret) { + pr_err("Failed to register cpuidle device: %d\n", ret); + return ret; + } + + return 0; +} +device_initcall(s3c64xx_init_cpuidle); diff --git a/arch/arm/mach-s3c64xx/dev-audio.c b/arch/arm/mach-s3c64xx/dev-audio.c new file mode 100644 index 00000000..93470b15 --- /dev/null +++ b/arch/arm/mach-s3c64xx/dev-audio.c @@ -0,0 +1,318 @@ +/* linux/arch/arm/plat-s3c/dev-audio.c + * + * Copyright 2009 Wolfson Microelectronics + * Mark Brown + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +static const char *rclksrc[] = { + [0] = "iis", + [1] = "audio-bus", +}; + +static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev) +{ + unsigned int base; + + switch (pdev->id) { + case 0: + base = S3C64XX_GPD(0); + break; + case 1: + base = S3C64XX_GPE(0); + break; + case 2: + s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5)); + s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5)); + s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5)); + s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5)); + return 0; + default: + printk(KERN_DEBUG "Invalid I2S Controller number: %d\n", + pdev->id); + return -EINVAL; + } + + s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3)); + + return 0; +} + +static struct resource s3c64xx_iis0_resource[] = { + [0] = { + .start = S3C64XX_PA_IIS0, + .end = S3C64XX_PA_IIS0 + 0x100 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = DMACH_I2S0_OUT, + .end = DMACH_I2S0_OUT, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = DMACH_I2S0_IN, + .end = DMACH_I2S0_IN, + .flags = IORESOURCE_DMA, + }, +}; + +static struct s3c_audio_pdata i2sv3_pdata = { + .cfg_gpio = s3c64xx_i2s_cfg_gpio, + .type = { + .i2s = { + .src_clk = rclksrc, + }, + }, +}; + +struct platform_device s3c64xx_device_iis0 = { + .name = "samsung-i2s", + .id = 0, + .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource), + .resource = s3c64xx_iis0_resource, + .dev = { + .platform_data = &i2sv3_pdata, + }, +}; +EXPORT_SYMBOL(s3c64xx_device_iis0); + +static struct resource s3c64xx_iis1_resource[] = { + [0] = { + .start = S3C64XX_PA_IIS1, + .end = S3C64XX_PA_IIS1 + 0x100 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = DMACH_I2S1_OUT, + .end = DMACH_I2S1_OUT, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = DMACH_I2S1_IN, + .end = DMACH_I2S1_IN, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device s3c64xx_device_iis1 = { + .name = "samsung-i2s", + .id = 1, + .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource), + .resource = s3c64xx_iis1_resource, + .dev = { + .platform_data = &i2sv3_pdata, + }, +}; +EXPORT_SYMBOL(s3c64xx_device_iis1); + +static struct resource s3c64xx_iisv4_resource[] = { + [0] = { + .start = S3C64XX_PA_IISV4, + .end = S3C64XX_PA_IISV4 + 0x100 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = DMACH_HSI_I2SV40_TX, + .end = DMACH_HSI_I2SV40_TX, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = DMACH_HSI_I2SV40_RX, + .end = DMACH_HSI_I2SV40_RX, + .flags = IORESOURCE_DMA, + }, +}; + +static struct s3c_audio_pdata i2sv4_pdata = { + .cfg_gpio = s3c64xx_i2s_cfg_gpio, + .type = { + .i2s = { + .quirks = QUIRK_PRI_6CHAN, + .src_clk = rclksrc, + }, + }, +}; + +struct platform_device s3c64xx_device_iisv4 = { + .name = "samsung-i2s", + .id = 2, + .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource), + .resource = s3c64xx_iisv4_resource, + .dev = { + .platform_data = &i2sv4_pdata, + }, +}; +EXPORT_SYMBOL(s3c64xx_device_iisv4); + + +/* PCM Controller platform_devices */ + +static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev) +{ + unsigned int base; + + switch (pdev->id) { + case 0: + base = S3C64XX_GPD(0); + break; + case 1: + base = S3C64XX_GPE(0); + break; + default: + printk(KERN_DEBUG "Invalid PCM Controller number: %d\n", + pdev->id); + return -EINVAL; + } + + s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2)); + return 0; +} + +static struct resource s3c64xx_pcm0_resource[] = { + [0] = { + .start = S3C64XX_PA_PCM0, + .end = S3C64XX_PA_PCM0 + 0x100 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = DMACH_PCM0_TX, + .end = DMACH_PCM0_TX, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = DMACH_PCM0_RX, + .end = DMACH_PCM0_RX, + .flags = IORESOURCE_DMA, + }, +}; + +static struct s3c_audio_pdata s3c_pcm0_pdata = { + .cfg_gpio = s3c64xx_pcm_cfg_gpio, +}; + +struct platform_device s3c64xx_device_pcm0 = { + .name = "samsung-pcm", + .id = 0, + .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource), + .resource = s3c64xx_pcm0_resource, + .dev = { + .platform_data = &s3c_pcm0_pdata, + }, +}; +EXPORT_SYMBOL(s3c64xx_device_pcm0); + +static struct resource s3c64xx_pcm1_resource[] = { + [0] = { + .start = S3C64XX_PA_PCM1, + .end = S3C64XX_PA_PCM1 + 0x100 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = DMACH_PCM1_TX, + .end = DMACH_PCM1_TX, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = DMACH_PCM1_RX, + .end = DMACH_PCM1_RX, + .flags = IORESOURCE_DMA, + }, +}; + +static struct s3c_audio_pdata s3c_pcm1_pdata = { + .cfg_gpio = s3c64xx_pcm_cfg_gpio, +}; + +struct platform_device s3c64xx_device_pcm1 = { + .name = "samsung-pcm", + .id = 1, + .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource), + .resource = s3c64xx_pcm1_resource, + .dev = { + .platform_data = &s3c_pcm1_pdata, + }, +}; +EXPORT_SYMBOL(s3c64xx_device_pcm1); + +/* AC97 Controller platform devices */ + +static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev) +{ + return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4)); +} + +static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev) +{ + return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4)); +} + +static struct resource s3c64xx_ac97_resource[] = { + [0] = { + .start = S3C64XX_PA_AC97, + .end = S3C64XX_PA_AC97 + 0x100 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = DMACH_AC97_PCMOUT, + .end = DMACH_AC97_PCMOUT, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = DMACH_AC97_PCMIN, + .end = DMACH_AC97_PCMIN, + .flags = IORESOURCE_DMA, + }, + [3] = { + .start = DMACH_AC97_MICIN, + .end = DMACH_AC97_MICIN, + .flags = IORESOURCE_DMA, + }, + [4] = { + .start = IRQ_AC97, + .end = IRQ_AC97, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct s3c_audio_pdata s3c_ac97_pdata; + +static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32); + +struct platform_device s3c64xx_device_ac97 = { + .name = "samsung-ac97", + .id = -1, + .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource), + .resource = s3c64xx_ac97_resource, + .dev = { + .platform_data = &s3c_ac97_pdata, + .dma_mask = &s3c64xx_ac97_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; +EXPORT_SYMBOL(s3c64xx_device_ac97); + +void __init s3c64xx_ac97_setup_gpio(int num) +{ + if (num == S3C64XX_AC97_GPD) + s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd; + else + s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe; +} diff --git a/arch/arm/mach-s3c64xx/dev-uart.c b/arch/arm/mach-s3c64xx/dev-uart.c new file mode 100644 index 00000000..c681b99e --- /dev/null +++ b/arch/arm/mach-s3c64xx/dev-uart.c @@ -0,0 +1,103 @@ +/* linux/arch/arm/plat-s3c64xx/dev-uart.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * Base S3C64XX UART resource and device definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +/* Serial port registrations */ + +/* 64xx uarts are closer together */ + +static struct resource s3c64xx_uart0_resource[] = { + [0] = { + .start = S3C_PA_UART0, + .end = S3C_PA_UART0 + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_UART0, + .end = IRQ_UART0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource s3c64xx_uart1_resource[] = { + [0] = { + .start = S3C_PA_UART1, + .end = S3C_PA_UART1 + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_UART1, + .end = IRQ_UART1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource s3c6xx_uart2_resource[] = { + [0] = { + .start = S3C_PA_UART2, + .end = S3C_PA_UART2 + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_UART2, + .end = IRQ_UART2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource s3c64xx_uart3_resource[] = { + [0] = { + .start = S3C_PA_UART3, + .end = S3C_PA_UART3 + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_UART3, + .end = IRQ_UART3, + .flags = IORESOURCE_IRQ, + }, +}; + + +struct s3c24xx_uart_resources s3c64xx_uart_resources[] __initdata = { + [0] = { + .resources = s3c64xx_uart0_resource, + .nr_resources = ARRAY_SIZE(s3c64xx_uart0_resource), + }, + [1] = { + .resources = s3c64xx_uart1_resource, + .nr_resources = ARRAY_SIZE(s3c64xx_uart1_resource), + }, + [2] = { + .resources = s3c6xx_uart2_resource, + .nr_resources = ARRAY_SIZE(s3c6xx_uart2_resource), + }, + [3] = { + .resources = s3c64xx_uart3_resource, + .nr_resources = ARRAY_SIZE(s3c64xx_uart3_resource), + }, +}; diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c new file mode 100644 index 00000000..f2a7a172 --- /dev/null +++ b/arch/arm/mach-s3c64xx/dma.c @@ -0,0 +1,753 @@ +/* linux/arch/arm/plat-s3c64xx/dma.c + * + * Copyright 2009 Openmoko, Inc. + * Copyright 2009 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX DMA core + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +#include + +/* dma channel state information */ + +struct s3c64xx_dmac { + struct device dev; + struct clk *clk; + void __iomem *regs; + struct s3c2410_dma_chan *channels; + enum dma_ch chanbase; +}; + +/* pool to provide LLI buffers */ +static struct dma_pool *dma_pool; + +/* Debug configuration and code */ + +static unsigned char debug_show_buffs = 0; + +static void dbg_showchan(struct s3c2410_dma_chan *chan) +{ + pr_debug("DMA%d: %08x->%08x L %08x C %08x,%08x S %08x\n", + chan->number, + readl(chan->regs + PL080_CH_SRC_ADDR), + readl(chan->regs + PL080_CH_DST_ADDR), + readl(chan->regs + PL080_CH_LLI), + readl(chan->regs + PL080_CH_CONTROL), + readl(chan->regs + PL080S_CH_CONTROL2), + readl(chan->regs + PL080S_CH_CONFIG)); +} + +static void show_lli(struct pl080s_lli *lli) +{ + pr_debug("LLI[%p] %08x->%08x, NL %08x C %08x,%08x\n", + lli, lli->src_addr, lli->dst_addr, lli->next_lli, + lli->control0, lli->control1); +} + +static void dbg_showbuffs(struct s3c2410_dma_chan *chan) +{ + struct s3c64xx_dma_buff *ptr; + struct s3c64xx_dma_buff *end; + + pr_debug("DMA%d: buffs next %p, curr %p, end %p\n", + chan->number, chan->next, chan->curr, chan->end); + + ptr = chan->next; + end = chan->end; + + if (debug_show_buffs) { + for (; ptr != NULL; ptr = ptr->next) { + pr_debug("DMA%d: %08x ", + chan->number, ptr->lli_dma); + show_lli(ptr->lli); + } + } +} + +/* End of Debug */ + +static struct s3c2410_dma_chan *s3c64xx_dma_map_channel(unsigned int channel) +{ + struct s3c2410_dma_chan *chan; + unsigned int start, offs; + + start = 0; + + if (channel >= DMACH_PCM1_TX) + start = 8; + + for (offs = 0; offs < 8; offs++) { + chan = &s3c2410_chans[start + offs]; + if (!chan->in_use) + goto found; + } + + return NULL; + +found: + s3c_dma_chan_map[channel] = chan; + return chan; +} + +int s3c2410_dma_config(enum dma_ch channel, int xferunit) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + + if (chan == NULL) + return -EINVAL; + + switch (xferunit) { + case 1: + chan->hw_width = 0; + break; + case 2: + chan->hw_width = 1; + break; + case 4: + chan->hw_width = 2; + break; + default: + printk(KERN_ERR "%s: illegal width %d\n", __func__, xferunit); + return -EINVAL; + } + + return 0; +} +EXPORT_SYMBOL(s3c2410_dma_config); + +static void s3c64xx_dma_fill_lli(struct s3c2410_dma_chan *chan, + struct pl080s_lli *lli, + dma_addr_t data, int size) +{ + dma_addr_t src, dst; + u32 control0, control1; + + switch (chan->source) { + case DMA_FROM_DEVICE: + src = chan->dev_addr; + dst = data; + control0 = PL080_CONTROL_SRC_AHB2; + control0 |= PL080_CONTROL_DST_INCR; + break; + + case DMA_TO_DEVICE: + src = data; + dst = chan->dev_addr; + control0 = PL080_CONTROL_DST_AHB2; + control0 |= PL080_CONTROL_SRC_INCR; + break; + default: + BUG(); + } + + /* note, we do not currently setup any of the burst controls */ + + control1 = size >> chan->hw_width; /* size in no of xfers */ + control0 |= PL080_CONTROL_PROT_SYS; /* always in priv. mode */ + control0 |= PL080_CONTROL_TC_IRQ_EN; /* always fire IRQ */ + control0 |= (u32)chan->hw_width << PL080_CONTROL_DWIDTH_SHIFT; + control0 |= (u32)chan->hw_width << PL080_CONTROL_SWIDTH_SHIFT; + + lli->src_addr = src; + lli->dst_addr = dst; + lli->next_lli = 0; + lli->control0 = control0; + lli->control1 = control1; +} + +static void s3c64xx_lli_to_regs(struct s3c2410_dma_chan *chan, + struct pl080s_lli *lli) +{ + void __iomem *regs = chan->regs; + + pr_debug("%s: LLI %p => regs\n", __func__, lli); + show_lli(lli); + + writel(lli->src_addr, regs + PL080_CH_SRC_ADDR); + writel(lli->dst_addr, regs + PL080_CH_DST_ADDR); + writel(lli->next_lli, regs + PL080_CH_LLI); + writel(lli->control0, regs + PL080_CH_CONTROL); + writel(lli->control1, regs + PL080S_CH_CONTROL2); +} + +static int s3c64xx_dma_start(struct s3c2410_dma_chan *chan) +{ + struct s3c64xx_dmac *dmac = chan->dmac; + u32 config; + u32 bit = chan->bit; + + dbg_showchan(chan); + + pr_debug("%s: clearing interrupts\n", __func__); + + /* clear interrupts */ + writel(bit, dmac->regs + PL080_TC_CLEAR); + writel(bit, dmac->regs + PL080_ERR_CLEAR); + + pr_debug("%s: starting channel\n", __func__); + + config = readl(chan->regs + PL080S_CH_CONFIG); + config |= PL080_CONFIG_ENABLE; + config &= ~PL080_CONFIG_HALT; + + pr_debug("%s: writing config %08x\n", __func__, config); + writel(config, chan->regs + PL080S_CH_CONFIG); + + return 0; +} + +static int s3c64xx_dma_stop(struct s3c2410_dma_chan *chan) +{ + u32 config; + int timeout; + + pr_debug("%s: stopping channel\n", __func__); + + dbg_showchan(chan); + + config = readl(chan->regs + PL080S_CH_CONFIG); + config |= PL080_CONFIG_HALT; + writel(config, chan->regs + PL080S_CH_CONFIG); + + timeout = 1000; + do { + config = readl(chan->regs + PL080S_CH_CONFIG); + pr_debug("%s: %d - config %08x\n", __func__, timeout, config); + if (config & PL080_CONFIG_ACTIVE) + udelay(10); + else + break; + } while (--timeout > 0); + + if (config & PL080_CONFIG_ACTIVE) { + printk(KERN_ERR "%s: channel still active\n", __func__); + return -EFAULT; + } + + config = readl(chan->regs + PL080S_CH_CONFIG); + config &= ~PL080_CONFIG_ENABLE; + writel(config, chan->regs + PL080S_CH_CONFIG); + + return 0; +} + +static inline void s3c64xx_dma_bufffdone(struct s3c2410_dma_chan *chan, + struct s3c64xx_dma_buff *buf, + enum s3c2410_dma_buffresult result) +{ + if (chan->callback_fn != NULL) + (chan->callback_fn)(chan, buf->pw, 0, result); +} + +static void s3c64xx_dma_freebuff(struct s3c64xx_dma_buff *buff) +{ + dma_pool_free(dma_pool, buff->lli, buff->lli_dma); + kfree(buff); +} + +static int s3c64xx_dma_flush(struct s3c2410_dma_chan *chan) +{ + struct s3c64xx_dma_buff *buff, *next; + u32 config; + + dbg_showchan(chan); + + pr_debug("%s: flushing channel\n", __func__); + + config = readl(chan->regs + PL080S_CH_CONFIG); + config &= ~PL080_CONFIG_ENABLE; + writel(config, chan->regs + PL080S_CH_CONFIG); + + /* dump all the buffers associated with this channel */ + + for (buff = chan->curr; buff != NULL; buff = next) { + next = buff->next; + pr_debug("%s: buff %p (next %p)\n", __func__, buff, buff->next); + + s3c64xx_dma_bufffdone(chan, buff, S3C2410_RES_ABORT); + s3c64xx_dma_freebuff(buff); + } + + chan->curr = chan->next = chan->end = NULL; + + return 0; +} + +int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + + WARN_ON(!chan); + if (!chan) + return -EINVAL; + + switch (op) { + case S3C2410_DMAOP_START: + return s3c64xx_dma_start(chan); + + case S3C2410_DMAOP_STOP: + return s3c64xx_dma_stop(chan); + + case S3C2410_DMAOP_FLUSH: + return s3c64xx_dma_flush(chan); + + /* believe PAUSE/RESUME are no-ops */ + case S3C2410_DMAOP_PAUSE: + case S3C2410_DMAOP_RESUME: + case S3C2410_DMAOP_STARTED: + case S3C2410_DMAOP_TIMEOUT: + return 0; + } + + return -ENOENT; +} +EXPORT_SYMBOL(s3c2410_dma_ctrl); + +/* s3c2410_dma_enque + * + */ + +int s3c2410_dma_enqueue(enum dma_ch channel, void *id, + dma_addr_t data, int size) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + struct s3c64xx_dma_buff *next; + struct s3c64xx_dma_buff *buff; + struct pl080s_lli *lli; + unsigned long flags; + int ret; + + WARN_ON(!chan); + if (!chan) + return -EINVAL; + + buff = kzalloc(sizeof(struct s3c64xx_dma_buff), GFP_ATOMIC); + if (!buff) { + printk(KERN_ERR "%s: no memory for buffer\n", __func__); + return -ENOMEM; + } + + lli = dma_pool_alloc(dma_pool, GFP_ATOMIC, &buff->lli_dma); + if (!lli) { + printk(KERN_ERR "%s: no memory for lli\n", __func__); + ret = -ENOMEM; + goto err_buff; + } + + pr_debug("%s: buff %p, dp %08x lli (%p, %08x) %d\n", + __func__, buff, data, lli, (u32)buff->lli_dma, size); + + buff->lli = lli; + buff->pw = id; + + s3c64xx_dma_fill_lli(chan, lli, data, size); + + local_irq_save(flags); + + if ((next = chan->next) != NULL) { + struct s3c64xx_dma_buff *end = chan->end; + struct pl080s_lli *endlli = end->lli; + + pr_debug("enquing onto channel\n"); + + end->next = buff; + endlli->next_lli = buff->lli_dma; + + if (chan->flags & S3C2410_DMAF_CIRCULAR) { + struct s3c64xx_dma_buff *curr = chan->curr; + lli->next_lli = curr->lli_dma; + } + + if (next == chan->curr) { + writel(buff->lli_dma, chan->regs + PL080_CH_LLI); + chan->next = buff; + } + + show_lli(endlli); + chan->end = buff; + } else { + pr_debug("enquing onto empty channel\n"); + + chan->curr = buff; + chan->next = buff; + chan->end = buff; + + s3c64xx_lli_to_regs(chan, lli); + } + + local_irq_restore(flags); + + show_lli(lli); + + dbg_showchan(chan); + dbg_showbuffs(chan); + return 0; + +err_buff: + kfree(buff); + return ret; +} + +EXPORT_SYMBOL(s3c2410_dma_enqueue); + + +int s3c2410_dma_devconfig(enum dma_ch channel, + enum dma_data_direction source, + unsigned long devaddr) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + u32 peripheral; + u32 config = 0; + + pr_debug("%s: channel %d, source %d, dev %08lx, chan %p\n", + __func__, channel, source, devaddr, chan); + + WARN_ON(!chan); + if (!chan) + return -EINVAL; + + peripheral = (chan->peripheral & 0xf); + chan->source = source; + chan->dev_addr = devaddr; + + pr_debug("%s: peripheral %d\n", __func__, peripheral); + + switch (source) { + case DMA_FROM_DEVICE: + config = 2 << PL080_CONFIG_FLOW_CONTROL_SHIFT; + config |= peripheral << PL080_CONFIG_SRC_SEL_SHIFT; + break; + case DMA_TO_DEVICE: + config = 1 << PL080_CONFIG_FLOW_CONTROL_SHIFT; + config |= peripheral << PL080_CONFIG_DST_SEL_SHIFT; + break; + default: + printk(KERN_ERR "%s: bad source\n", __func__); + return -EINVAL; + } + + /* allow TC and ERR interrupts */ + config |= PL080_CONFIG_TC_IRQ_MASK; + config |= PL080_CONFIG_ERR_IRQ_MASK; + + pr_debug("%s: config %08x\n", __func__, config); + + writel(config, chan->regs + PL080S_CH_CONFIG); + + return 0; +} +EXPORT_SYMBOL(s3c2410_dma_devconfig); + + +int s3c2410_dma_getposition(enum dma_ch channel, + dma_addr_t *src, dma_addr_t *dst) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + + WARN_ON(!chan); + if (!chan) + return -EINVAL; + + if (src != NULL) + *src = readl(chan->regs + PL080_CH_SRC_ADDR); + + if (dst != NULL) + *dst = readl(chan->regs + PL080_CH_DST_ADDR); + + return 0; +} +EXPORT_SYMBOL(s3c2410_dma_getposition); + +/* s3c2410_request_dma + * + * get control of an dma channel +*/ + +int s3c2410_dma_request(enum dma_ch channel, + struct s3c2410_dma_client *client, + void *dev) +{ + struct s3c2410_dma_chan *chan; + unsigned long flags; + + pr_debug("dma%d: s3c2410_request_dma: client=%s, dev=%p\n", + channel, client->name, dev); + + local_irq_save(flags); + + chan = s3c64xx_dma_map_channel(channel); + if (chan == NULL) { + local_irq_restore(flags); + return -EBUSY; + } + + dbg_showchan(chan); + + chan->client = client; + chan->in_use = 1; + chan->peripheral = channel; + + local_irq_restore(flags); + + /* need to setup */ + + pr_debug("%s: channel initialised, %p\n", __func__, chan); + + return chan->number | DMACH_LOW_LEVEL; +} + +EXPORT_SYMBOL(s3c2410_dma_request); + +/* s3c2410_dma_free + * + * release the given channel back to the system, will stop and flush + * any outstanding transfers, and ensure the channel is ready for the + * next claimant. + * + * Note, although a warning is currently printed if the freeing client + * info is not the same as the registrant's client info, the free is still + * allowed to go through. +*/ + +int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + unsigned long flags; + + if (chan == NULL) + return -EINVAL; + + local_irq_save(flags); + + if (chan->client != client) { + printk(KERN_WARNING "dma%d: possible free from different client (channel %p, passed %p)\n", + channel, chan->client, client); + } + + /* sort out stopping and freeing the channel */ + + + chan->client = NULL; + chan->in_use = 0; + + if (!(channel & DMACH_LOW_LEVEL)) + s3c_dma_chan_map[channel] = NULL; + + local_irq_restore(flags); + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_free); + +static irqreturn_t s3c64xx_dma_irq(int irq, void *pw) +{ + struct s3c64xx_dmac *dmac = pw; + struct s3c2410_dma_chan *chan; + enum s3c2410_dma_buffresult res; + u32 tcstat, errstat; + u32 bit; + int offs; + + tcstat = readl(dmac->regs + PL080_TC_STATUS); + errstat = readl(dmac->regs + PL080_ERR_STATUS); + + for (offs = 0, bit = 1; offs < 8; offs++, bit <<= 1) { + struct s3c64xx_dma_buff *buff; + + if (!(errstat & bit) && !(tcstat & bit)) + continue; + + chan = dmac->channels + offs; + res = S3C2410_RES_ERR; + + if (tcstat & bit) { + writel(bit, dmac->regs + PL080_TC_CLEAR); + res = S3C2410_RES_OK; + } + + if (errstat & bit) + writel(bit, dmac->regs + PL080_ERR_CLEAR); + + /* 'next' points to the buffer that is next to the + * currently active buffer. + * For CIRCULAR queues, 'next' will be same as 'curr' + * when 'end' is the active buffer. + */ + buff = chan->curr; + while (buff && buff != chan->next + && buff->next != chan->next) + buff = buff->next; + + if (!buff) + BUG(); + + if (buff == chan->next) + buff = chan->end; + + s3c64xx_dma_bufffdone(chan, buff, res); + + /* Free the node and update curr, if non-circular queue */ + if (!(chan->flags & S3C2410_DMAF_CIRCULAR)) { + chan->curr = buff->next; + s3c64xx_dma_freebuff(buff); + } + + /* Update 'next' */ + buff = chan->next; + if (chan->next == chan->end) { + chan->next = chan->curr; + if (!(chan->flags & S3C2410_DMAF_CIRCULAR)) + chan->end = NULL; + } else { + chan->next = buff->next; + } + } + + return IRQ_HANDLED; +} + +static struct bus_type dma_subsys = { + .name = "s3c64xx-dma", + .dev_name = "s3c64xx-dma", +}; + +static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, + int irq, unsigned int base) +{ + struct s3c2410_dma_chan *chptr = &s3c2410_chans[chno]; + struct s3c64xx_dmac *dmac; + char clkname[16]; + void __iomem *regs; + void __iomem *regptr; + int err, ch; + + dmac = kzalloc(sizeof(struct s3c64xx_dmac), GFP_KERNEL); + if (!dmac) { + printk(KERN_ERR "%s: failed to alloc mem\n", __func__); + return -ENOMEM; + } + + dmac->dev.id = chno / 8; + dmac->dev.bus = &dma_subsys; + + err = device_register(&dmac->dev); + if (err) { + printk(KERN_ERR "%s: failed to register device\n", __func__); + goto err_alloc; + } + + regs = ioremap(base, 0x200); + if (!regs) { + printk(KERN_ERR "%s: failed to ioremap()\n", __func__); + err = -ENXIO; + goto err_dev; + } + + snprintf(clkname, sizeof(clkname), "dma%d", dmac->dev.id); + + dmac->clk = clk_get(NULL, clkname); + if (IS_ERR(dmac->clk)) { + printk(KERN_ERR "%s: failed to get clock %s\n", __func__, clkname); + err = PTR_ERR(dmac->clk); + goto err_map; + } + + clk_enable(dmac->clk); + + dmac->regs = regs; + dmac->chanbase = chbase; + dmac->channels = chptr; + + err = request_irq(irq, s3c64xx_dma_irq, 0, "DMA", dmac); + if (err < 0) { + printk(KERN_ERR "%s: failed to get irq\n", __func__); + goto err_clk; + } + + regptr = regs + PL080_Cx_BASE(0); + + for (ch = 0; ch < 8; ch++, chptr++) { + pr_debug("%s: registering DMA %d (%p)\n", + __func__, chno + ch, regptr); + + chptr->bit = 1 << ch; + chptr->number = chno + ch; + chptr->dmac = dmac; + chptr->regs = regptr; + regptr += PL080_Cx_STRIDE; + } + + /* for the moment, permanently enable the controller */ + writel(PL080_CONFIG_ENABLE, regs + PL080_CONFIG); + + printk(KERN_INFO "PL080: IRQ %d, at %p, channels %d..%d\n", + irq, regs, chno, chno+8); + + return 0; + +err_clk: + clk_disable(dmac->clk); + clk_put(dmac->clk); +err_map: + iounmap(regs); +err_dev: + device_unregister(&dmac->dev); +err_alloc: + kfree(dmac); + return err; +} + +static int __init s3c64xx_dma_init(void) +{ + int ret; + + printk(KERN_INFO "%s: Registering DMA channels\n", __func__); + + dma_pool = dma_pool_create("DMA-LLI", NULL, sizeof(struct pl080s_lli), 16, 0); + if (!dma_pool) { + printk(KERN_ERR "%s: failed to create pool\n", __func__); + return -ENOMEM; + } + + ret = subsys_system_register(&dma_subsys, NULL); + if (ret) { + printk(KERN_ERR "%s: failed to create subsys\n", __func__); + return -ENOMEM; + } + + /* Set all DMA configuration to be DMA, not SDMA */ + writel(0xffffff, S3C64XX_SDMA_SEL); + + /* Register standard DMA controllers */ + s3c64xx_dma_init1(0, DMACH_UART0, IRQ_DMA0, 0x75000000); + s3c64xx_dma_init1(8, DMACH_PCM1_TX, IRQ_DMA1, 0x75100000); + + return 0; +} + +arch_initcall(s3c64xx_dma_init); diff --git a/arch/arm/mach-s3c64xx/include/mach/crag6410.h b/arch/arm/mach-s3c64xx/include/mach/crag6410.h new file mode 100644 index 00000000..4cb2f951 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/crag6410.h @@ -0,0 +1,26 @@ +/* Cragganmore 6410 shared definitions + * + * Copyright 2011 Wolfson Microelectronics plc + * Mark Brown + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef MACH_CRAG6410_H +#define MACH_CRAG6410_H + +#include + +#define BANFF_PMIC_IRQ_BASE IRQ_BOARD_START +#define GLENFARCLAS_PMIC_IRQ_BASE (IRQ_BOARD_START + 64) +#define CODEC_IRQ_BASE (IRQ_BOARD_START + 128) + +#define PCA935X_GPIO_BASE GPIO_BOARD_START +#define CODEC_GPIO_BASE (GPIO_BOARD_START + 8) +#define GLENFARCLAS_PMIC_GPIO_BASE (GPIO_BOARD_START + 32) +#define BANFF_PMIC_GPIO_BASE (GPIO_BOARD_START + 64) +#define MMGPIO_GPIO_BASE (GPIO_BOARD_START + 96) + +#endif diff --git a/arch/arm/mach-s3c64xx/include/mach/debug-macro.S b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S new file mode 100644 index 00000000..c0c076a9 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S @@ -0,0 +1,38 @@ +/* arch/arm/mach-s3c6400/include/mach/debug-macro.S + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* pull in the relevant register and map files. */ + +#include +#include + + /* note, for the boot process to work we have to keep the UART + * virtual address aligned to an 1MiB boundary for the L1 + * mapping the head code makes. We keep the UART virtual address + * aligned and add in the offset when we load the value here. + */ + + .macro addruart, rp, rv, tmp + ldr \rp, = S3C_PA_UART + ldr \rv, = (S3C_VA_UART + S3C_PA_UART & 0xfffff) +#if CONFIG_DEBUG_S3C_UART != 0 + add \rp, \rp, #(0x400 * CONFIG_DEBUG_S3C_UART) + add \rv, \rv, #(0x400 * CONFIG_DEBUG_S3C_UART) +#endif + .endm + +/* include the reset of the code which will do the work, we're only + * compiling for a single cpu processor type so the default of s3c2440 + * will be fine with us. + */ + +#include diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h new file mode 100644 index 00000000..fe1a98cf --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/dma.h @@ -0,0 +1,131 @@ +/* linux/arch/arm/mach-s3c6400/include/mach/dma.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C6400 - DMA support + */ + +#ifndef __ASM_ARCH_DMA_H +#define __ASM_ARCH_DMA_H __FILE__ + +#define S3C_DMA_CHANNELS (16) + +/* see mach-s3c2410/dma.h for notes on dma channel numbers */ + +/* Note, for the S3C64XX architecture we keep the DMACH_ + * defines in the order they are allocated to [S]DMA0/[S]DMA1 + * so that is easy to do DHACH_ -> DMA controller conversion + */ +enum dma_ch { + /* DMA0/SDMA0 */ + DMACH_UART0 = 0, + DMACH_UART0_SRC2, + DMACH_UART1, + DMACH_UART1_SRC2, + DMACH_UART2, + DMACH_UART2_SRC2, + DMACH_UART3, + DMACH_UART3_SRC2, + DMACH_PCM0_TX, + DMACH_PCM0_RX, + DMACH_I2S0_OUT, + DMACH_I2S0_IN, + DMACH_SPI0_TX, + DMACH_SPI0_RX, + DMACH_HSI_I2SV40_TX, + DMACH_HSI_I2SV40_RX, + + /* DMA1/SDMA1 */ + DMACH_PCM1_TX = 16, + DMACH_PCM1_RX, + DMACH_I2S1_OUT, + DMACH_I2S1_IN, + DMACH_SPI1_TX, + DMACH_SPI1_RX, + DMACH_AC97_PCMOUT, + DMACH_AC97_PCMIN, + DMACH_AC97_MICIN, + DMACH_PWM, + DMACH_IRDA, + DMACH_EXTERNAL, + DMACH_RES1, + DMACH_RES2, + DMACH_SECURITY_RX, /* SDMA1 only */ + DMACH_SECURITY_TX, /* SDMA1 only */ + DMACH_MAX /* the end */ +}; + +static inline bool samsung_dma_has_circular(void) +{ + return true; +} + +static inline bool samsung_dma_is_dmadev(void) +{ + return false; +} +#define S3C2410_DMAF_CIRCULAR (1 << 0) + +#include + +#define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */ + +struct s3c64xx_dma_buff; + +/** s3c64xx_dma_buff - S3C64XX DMA buffer descriptor + * @next: Pointer to next buffer in queue or ring. + * @pw: Client provided identifier + * @lli: Pointer to hardware descriptor this buffer is associated with. + * @lli_dma: Hardare address of the descriptor. + */ +struct s3c64xx_dma_buff { + struct s3c64xx_dma_buff *next; + + void *pw; + struct pl080s_lli *lli; + dma_addr_t lli_dma; +}; + +struct s3c64xx_dmac; + +struct s3c2410_dma_chan { + unsigned char number; /* number of this dma channel */ + unsigned char in_use; /* channel allocated */ + unsigned char bit; /* bit for enable/disable/etc */ + unsigned char hw_width; + unsigned char peripheral; + + unsigned int flags; + enum dma_data_direction source; + + + dma_addr_t dev_addr; + + struct s3c2410_dma_client *client; + struct s3c64xx_dmac *dmac; /* pointer to controller */ + + void __iomem *regs; + + /* cdriver callbacks */ + s3c2410_dma_cbfn_t callback_fn; /* buffer done callback */ + s3c2410_dma_opfn_t op_fn; /* channel op callback */ + + /* buffer list and information */ + struct s3c64xx_dma_buff *curr; /* current dma buffer */ + struct s3c64xx_dma_buff *next; /* next buffer to load */ + struct s3c64xx_dma_buff *end; /* end of queue */ + + /* note, when channel is running in circular mode, curr is the + * first buffer enqueued, end is the last and curr is where the + * last buffer-done event is set-at. The buffers are not freed + * and the last buffer hardware descriptor points back to the + * first. + */ +}; + +#include + +#endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/gpio.h b/arch/arm/mach-s3c64xx/include/mach/gpio.h new file mode 100644 index 00000000..8b540c42 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/gpio.h @@ -0,0 +1,93 @@ +/* arch/arm/mach-s3c6400/include/mach/gpio.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C6400 - GPIO lib support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* GPIO bank sizes */ +#define S3C64XX_GPIO_A_NR (8) +#define S3C64XX_GPIO_B_NR (7) +#define S3C64XX_GPIO_C_NR (8) +#define S3C64XX_GPIO_D_NR (5) +#define S3C64XX_GPIO_E_NR (5) +#define S3C64XX_GPIO_F_NR (16) +#define S3C64XX_GPIO_G_NR (7) +#define S3C64XX_GPIO_H_NR (10) +#define S3C64XX_GPIO_I_NR (16) +#define S3C64XX_GPIO_J_NR (12) +#define S3C64XX_GPIO_K_NR (16) +#define S3C64XX_GPIO_L_NR (15) +#define S3C64XX_GPIO_M_NR (6) +#define S3C64XX_GPIO_N_NR (16) +#define S3C64XX_GPIO_O_NR (16) +#define S3C64XX_GPIO_P_NR (15) +#define S3C64XX_GPIO_Q_NR (9) + +/* GPIO bank numbes */ + +/* CONFIG_S3C_GPIO_SPACE allows the user to select extra + * space for debugging purposes so that any accidental + * change from one gpio bank to another can be caught. +*/ + +#define S3C64XX_GPIO_NEXT(__gpio) \ + ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) + +enum s3c_gpio_number { + S3C64XX_GPIO_A_START = 0, + S3C64XX_GPIO_B_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_A), + S3C64XX_GPIO_C_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_B), + S3C64XX_GPIO_D_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_C), + S3C64XX_GPIO_E_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_D), + S3C64XX_GPIO_F_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_E), + S3C64XX_GPIO_G_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_F), + S3C64XX_GPIO_H_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_G), + S3C64XX_GPIO_I_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_H), + S3C64XX_GPIO_J_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_I), + S3C64XX_GPIO_K_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_J), + S3C64XX_GPIO_L_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_K), + S3C64XX_GPIO_M_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_L), + S3C64XX_GPIO_N_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_M), + S3C64XX_GPIO_O_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_N), + S3C64XX_GPIO_P_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_O), + S3C64XX_GPIO_Q_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_P), +}; + +/* S3C64XX GPIO number definitions. */ + +#define S3C64XX_GPA(_nr) (S3C64XX_GPIO_A_START + (_nr)) +#define S3C64XX_GPB(_nr) (S3C64XX_GPIO_B_START + (_nr)) +#define S3C64XX_GPC(_nr) (S3C64XX_GPIO_C_START + (_nr)) +#define S3C64XX_GPD(_nr) (S3C64XX_GPIO_D_START + (_nr)) +#define S3C64XX_GPE(_nr) (S3C64XX_GPIO_E_START + (_nr)) +#define S3C64XX_GPF(_nr) (S3C64XX_GPIO_F_START + (_nr)) +#define S3C64XX_GPG(_nr) (S3C64XX_GPIO_G_START + (_nr)) +#define S3C64XX_GPH(_nr) (S3C64XX_GPIO_H_START + (_nr)) +#define S3C64XX_GPI(_nr) (S3C64XX_GPIO_I_START + (_nr)) +#define S3C64XX_GPJ(_nr) (S3C64XX_GPIO_J_START + (_nr)) +#define S3C64XX_GPK(_nr) (S3C64XX_GPIO_K_START + (_nr)) +#define S3C64XX_GPL(_nr) (S3C64XX_GPIO_L_START + (_nr)) +#define S3C64XX_GPM(_nr) (S3C64XX_GPIO_M_START + (_nr)) +#define S3C64XX_GPN(_nr) (S3C64XX_GPIO_N_START + (_nr)) +#define S3C64XX_GPO(_nr) (S3C64XX_GPIO_O_START + (_nr)) +#define S3C64XX_GPP(_nr) (S3C64XX_GPIO_P_START + (_nr)) +#define S3C64XX_GPQ(_nr) (S3C64XX_GPIO_Q_START + (_nr)) + +/* the end of the S3C64XX specific gpios */ +#define S3C64XX_GPIO_END (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) +#define S3C_GPIO_END S3C64XX_GPIO_END + +/* define the number of gpios we need to the one after the GPQ() range */ +#define GPIO_BOARD_START (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) + +#define BOARD_NR_GPIOS (16 + CONFIG_SAMSUNG_GPIO_EXTRA) + +#define ARCH_NR_GPIOS (GPIO_BOARD_START + BOARD_NR_GPIOS) diff --git a/arch/arm/mach-s3c64xx/include/mach/hardware.h b/arch/arm/mach-s3c64xx/include/mach/hardware.h new file mode 100644 index 00000000..862d033e --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/hardware.h @@ -0,0 +1,16 @@ +/* linux/arch/arm/mach-s3c6400/include/mach/hardware.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C6400 - Hardware support + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H __FILE__ + +/* currently nothing here, placeholder */ + +#endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h new file mode 100644 index 00000000..96d60e0d --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h @@ -0,0 +1,193 @@ +/* linux/arch/arm/mach-s3c64xx/include/mach/irqs.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - IRQ support + */ + +#ifndef __ASM_MACH_S3C64XX_IRQS_H +#define __ASM_MACH_S3C64XX_IRQS_H __FILE__ + +/* we keep the first set of CPU IRQs out of the range of + * the ISA space, so that the PC104 has them to itself + * and we don't end up having to do horrible things to the + * standard ISA drivers.... + * + * note, since we're using the VICs, our start must be a + * mulitple of 32 to allow the common code to work + */ + +#define S3C_IRQ_OFFSET (32) + +#define S3C_IRQ(x) ((x) + S3C_IRQ_OFFSET) + +#define IRQ_VIC0_BASE S3C_IRQ(0) +#define IRQ_VIC1_BASE S3C_IRQ(32) + +/* VIC based IRQs */ + +#define S3C64XX_IRQ_VIC0(x) (IRQ_VIC0_BASE + (x)) +#define S3C64XX_IRQ_VIC1(x) (IRQ_VIC1_BASE + (x)) + +/* VIC0 */ + +#define IRQ_EINT0_3 S3C64XX_IRQ_VIC0(0) +#define IRQ_EINT4_11 S3C64XX_IRQ_VIC0(1) +#define IRQ_RTC_TIC S3C64XX_IRQ_VIC0(2) +#define IRQ_CAMIF_C S3C64XX_IRQ_VIC0(3) +#define IRQ_CAMIF_P S3C64XX_IRQ_VIC0(4) +#define IRQ_CAMIF_MC S3C64XX_IRQ_VIC0(5) +#define IRQ_S3C6410_IIC1 S3C64XX_IRQ_VIC0(5) +#define IRQ_S3C6410_IIS S3C64XX_IRQ_VIC0(6) +#define IRQ_S3C6400_CAMIF_MP S3C64XX_IRQ_VIC0(6) +#define IRQ_CAMIF_WE_C S3C64XX_IRQ_VIC0(7) +#define IRQ_S3C6410_G3D S3C64XX_IRQ_VIC0(8) +#define IRQ_S3C6400_CAMIF_WE_P S3C64XX_IRQ_VIC0(8) +#define IRQ_POST0 S3C64XX_IRQ_VIC0(9) +#define IRQ_ROTATOR S3C64XX_IRQ_VIC0(10) +#define IRQ_2D S3C64XX_IRQ_VIC0(11) +#define IRQ_TVENC S3C64XX_IRQ_VIC0(12) +#define IRQ_SCALER S3C64XX_IRQ_VIC0(13) +#define IRQ_BATF S3C64XX_IRQ_VIC0(14) +#define IRQ_JPEG S3C64XX_IRQ_VIC0(15) +#define IRQ_MFC S3C64XX_IRQ_VIC0(16) +#define IRQ_SDMA0 S3C64XX_IRQ_VIC0(17) +#define IRQ_SDMA1 S3C64XX_IRQ_VIC0(18) +#define IRQ_ARM_DMAERR S3C64XX_IRQ_VIC0(19) +#define IRQ_ARM_DMA S3C64XX_IRQ_VIC0(20) +#define IRQ_ARM_DMAS S3C64XX_IRQ_VIC0(21) +#define IRQ_KEYPAD S3C64XX_IRQ_VIC0(22) +#define IRQ_TIMER0_VIC S3C64XX_IRQ_VIC0(23) +#define IRQ_TIMER1_VIC S3C64XX_IRQ_VIC0(24) +#define IRQ_TIMER2_VIC S3C64XX_IRQ_VIC0(25) +#define IRQ_WDT S3C64XX_IRQ_VIC0(26) +#define IRQ_TIMER3_VIC S3C64XX_IRQ_VIC0(27) +#define IRQ_TIMER4_VIC S3C64XX_IRQ_VIC0(28) +#define IRQ_LCD_FIFO S3C64XX_IRQ_VIC0(29) +#define IRQ_LCD_VSYNC S3C64XX_IRQ_VIC0(30) +#define IRQ_LCD_SYSTEM S3C64XX_IRQ_VIC0(31) + +/* VIC1 */ + +#define IRQ_EINT12_19 S3C64XX_IRQ_VIC1(0) +#define IRQ_EINT20_27 S3C64XX_IRQ_VIC1(1) +#define IRQ_PCM0 S3C64XX_IRQ_VIC1(2) +#define IRQ_PCM1 S3C64XX_IRQ_VIC1(3) +#define IRQ_AC97 S3C64XX_IRQ_VIC1(4) +#define IRQ_UART0 S3C64XX_IRQ_VIC1(5) +#define IRQ_UART1 S3C64XX_IRQ_VIC1(6) +#define IRQ_UART2 S3C64XX_IRQ_VIC1(7) +#define IRQ_UART3 S3C64XX_IRQ_VIC1(8) +#define IRQ_DMA0 S3C64XX_IRQ_VIC1(9) +#define IRQ_DMA1 S3C64XX_IRQ_VIC1(10) +#define IRQ_ONENAND0 S3C64XX_IRQ_VIC1(11) +#define IRQ_ONENAND1 S3C64XX_IRQ_VIC1(12) +#define IRQ_NFC S3C64XX_IRQ_VIC1(13) +#define IRQ_CFCON S3C64XX_IRQ_VIC1(14) +#define IRQ_USBH S3C64XX_IRQ_VIC1(15) +#define IRQ_SPI0 S3C64XX_IRQ_VIC1(16) +#define IRQ_SPI1 S3C64XX_IRQ_VIC1(17) +#define IRQ_IIC S3C64XX_IRQ_VIC1(18) +#define IRQ_HSItx S3C64XX_IRQ_VIC1(19) +#define IRQ_HSIrx S3C64XX_IRQ_VIC1(20) +#define IRQ_RESERVED S3C64XX_IRQ_VIC1(21) +#define IRQ_MSM S3C64XX_IRQ_VIC1(22) +#define IRQ_HOSTIF S3C64XX_IRQ_VIC1(23) +#define IRQ_HSMMC0 S3C64XX_IRQ_VIC1(24) +#define IRQ_HSMMC1 S3C64XX_IRQ_VIC1(25) +#define IRQ_HSMMC2 IRQ_SPI1 /* shared with SPI1 */ +#define IRQ_OTG S3C64XX_IRQ_VIC1(26) +#define IRQ_IRDA S3C64XX_IRQ_VIC1(27) +#define IRQ_RTC_ALARM S3C64XX_IRQ_VIC1(28) +#define IRQ_SEC S3C64XX_IRQ_VIC1(29) +#define IRQ_PENDN S3C64XX_IRQ_VIC1(30) +#define IRQ_TC IRQ_PENDN +#define IRQ_ADC S3C64XX_IRQ_VIC1(31) + +#define S3C64XX_TIMER_IRQ(x) S3C_IRQ(64 + (x)) + +#define IRQ_TIMER0 S3C64XX_TIMER_IRQ(0) +#define IRQ_TIMER1 S3C64XX_TIMER_IRQ(1) +#define IRQ_TIMER2 S3C64XX_TIMER_IRQ(2) +#define IRQ_TIMER3 S3C64XX_TIMER_IRQ(3) +#define IRQ_TIMER4 S3C64XX_TIMER_IRQ(4) + +/* compatibility for device defines */ + +#define IRQ_IIC1 IRQ_S3C6410_IIC1 + +/* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series + * we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE + * which we place after the pair of VICs. */ + +#define S3C_IRQ_EINT_BASE S3C_IRQ(64+5) + +#define S3C_EINT(x) ((x) + S3C_IRQ_EINT_BASE) +#define IRQ_EINT(x) S3C_EINT(x) +#define IRQ_EINT_BIT(x) ((x) - S3C_EINT(0)) + +/* Next the external interrupt groups. These are similar to the IRQ_EINT(x) + * that they are sourced from the GPIO pins but with a different scheme for + * priority and source indication. + * + * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO + * interrupts, but for historical reasons they are kept apart from these + * next interrupts. + * + * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the + * machine specific support files. + */ + +#define IRQ_EINT_GROUP1_NR (15) +#define IRQ_EINT_GROUP2_NR (8) +#define IRQ_EINT_GROUP3_NR (5) +#define IRQ_EINT_GROUP4_NR (14) +#define IRQ_EINT_GROUP5_NR (7) +#define IRQ_EINT_GROUP6_NR (10) +#define IRQ_EINT_GROUP7_NR (16) +#define IRQ_EINT_GROUP8_NR (15) +#define IRQ_EINT_GROUP9_NR (9) + +#define IRQ_EINT_GROUP_BASE S3C_EINT(28) +#define IRQ_EINT_GROUP1_BASE (IRQ_EINT_GROUP_BASE + 0x00) +#define IRQ_EINT_GROUP2_BASE (IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR) +#define IRQ_EINT_GROUP3_BASE (IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR) +#define IRQ_EINT_GROUP4_BASE (IRQ_EINT_GROUP3_BASE + IRQ_EINT_GROUP3_NR) +#define IRQ_EINT_GROUP5_BASE (IRQ_EINT_GROUP4_BASE + IRQ_EINT_GROUP4_NR) +#define IRQ_EINT_GROUP6_BASE (IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR) +#define IRQ_EINT_GROUP7_BASE (IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR) +#define IRQ_EINT_GROUP8_BASE (IRQ_EINT_GROUP7_BASE + IRQ_EINT_GROUP7_NR) +#define IRQ_EINT_GROUP9_BASE (IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR) + +#define IRQ_EINT_GROUP(group, no) (IRQ_EINT_GROUP##group##_BASE + (no)) + +/* Define a group of interrupts for board-specific use (eg, for MFD + * interrupt controllers). */ +#define IRQ_BOARD_START (IRQ_EINT_GROUP9_BASE + IRQ_EINT_GROUP9_NR + 1) + +#ifdef CONFIG_MACH_WLF_CRAGG_6410 +#define IRQ_BOARD_NR 160 +#elif defined(CONFIG_SMDK6410_WM1190_EV1) +#define IRQ_BOARD_NR 64 +#elif defined(CONFIG_SMDK6410_WM1192_EV1) +#define IRQ_BOARD_NR 64 +#else +#define IRQ_BOARD_NR 16 +#endif + +#define IRQ_BOARD_END (IRQ_BOARD_START + IRQ_BOARD_NR) + +/* Set the default NR_IRQS */ + +#define NR_IRQS (IRQ_BOARD_END + 1) + +/* Compatibility */ + +#define IRQ_ONENAND IRQ_ONENAND0 +#define IRQ_I2S0 IRQ_S3C6410_IIS + +#endif /* __ASM_MACH_S3C64XX_IRQS_H */ + diff --git a/arch/arm/mach-s3c64xx/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h new file mode 100644 index 00000000..8e2097bb --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/map.h @@ -0,0 +1,125 @@ +/* linux/arch/arm/mach-s3c6400/include/mach/map.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C64XX - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_MAP_H +#define __ASM_ARCH_MAP_H __FILE__ + +#include +#include + +/* + * Post-mux Chip Select Regions Xm0CSn_ + * These may be used by SROM, NAND or CF depending on settings + */ + +#define S3C64XX_PA_XM0CSN0 (0x10000000) +#define S3C64XX_PA_XM0CSN1 (0x18000000) +#define S3C64XX_PA_XM0CSN2 (0x20000000) +#define S3C64XX_PA_XM0CSN3 (0x28000000) +#define S3C64XX_PA_XM0CSN4 (0x30000000) +#define S3C64XX_PA_XM0CSN5 (0x38000000) + +/* HSMMC units */ +#define S3C64XX_PA_HSMMC(x) (0x7C200000 + ((x) * 0x100000)) +#define S3C64XX_PA_HSMMC0 S3C64XX_PA_HSMMC(0) +#define S3C64XX_PA_HSMMC1 S3C64XX_PA_HSMMC(1) +#define S3C64XX_PA_HSMMC2 S3C64XX_PA_HSMMC(2) + +#define S3C_PA_UART (0x7F005000) +#define S3C_PA_UART0 (S3C_PA_UART + 0x00) +#define S3C_PA_UART1 (S3C_PA_UART + 0x400) +#define S3C_PA_UART2 (S3C_PA_UART + 0x800) +#define S3C_PA_UART3 (S3C_PA_UART + 0xC00) +#define S3C_UART_OFFSET (0x400) + +/* See notes on UART VA mapping in debug-macro.S */ +#define S3C_VA_UARTx(x) (S3C_VA_UART + (S3C_PA_UART & 0xfffff) + ((x) * S3C_UART_OFFSET)) + +#define S3C_VA_UART0 S3C_VA_UARTx(0) +#define S3C_VA_UART1 S3C_VA_UARTx(1) +#define S3C_VA_UART2 S3C_VA_UARTx(2) +#define S3C_VA_UART3 S3C_VA_UARTx(3) + +#define S3C64XX_PA_SROM (0x70000000) + +#define S3C64XX_PA_ONENAND0 (0x70100000) +#define S3C64XX_PA_ONENAND0_BUF (0x20000000) +#define S3C64XX_SZ_ONENAND0_BUF (SZ_64M) + +/* NAND and OneNAND1 controllers occupy the same register region + (depending on SoC POP version) */ +#define S3C64XX_PA_ONENAND1 (0x70200000) +#define S3C64XX_PA_ONENAND1_BUF (0x28000000) +#define S3C64XX_SZ_ONENAND1_BUF (SZ_64M) + +#define S3C64XX_PA_NAND (0x70200000) +#define S3C64XX_PA_FB (0x77100000) +#define S3C64XX_PA_USB_HSOTG (0x7C000000) +#define S3C64XX_PA_WATCHDOG (0x7E004000) +#define S3C64XX_PA_RTC (0x7E005000) +#define S3C64XX_PA_KEYPAD (0x7E00A000) +#define S3C64XX_PA_ADC (0x7E00B000) +#define S3C64XX_PA_SYSCON (0x7E00F000) +#define S3C64XX_PA_AC97 (0x7F001000) +#define S3C64XX_PA_IIS0 (0x7F002000) +#define S3C64XX_PA_IIS1 (0x7F003000) +#define S3C64XX_PA_TIMER (0x7F006000) +#define S3C64XX_PA_IIC0 (0x7F004000) +#define S3C64XX_PA_SPI0 (0x7F00B000) +#define S3C64XX_PA_SPI1 (0x7F00C000) +#define S3C64XX_PA_PCM0 (0x7F009000) +#define S3C64XX_PA_PCM1 (0x7F00A000) +#define S3C64XX_PA_IISV4 (0x7F00D000) +#define S3C64XX_PA_IIC1 (0x7F00F000) + +#define S3C64XX_PA_GPIO (0x7F008000) +#define S3C64XX_SZ_GPIO SZ_4K + +#define S3C64XX_PA_SDRAM (0x50000000) + +#define S3C64XX_PA_CFCON (0x70300000) + +#define S3C64XX_PA_VIC0 (0x71200000) +#define S3C64XX_PA_VIC1 (0x71300000) + +#define S3C64XX_PA_MODEM (0x74108000) + +#define S3C64XX_PA_USBHOST (0x74300000) + +#define S3C64XX_PA_USB_HSPHY (0x7C100000) + +/* compatibiltiy defines. */ +#define S3C_PA_TIMER S3C64XX_PA_TIMER +#define S3C_PA_HSMMC0 S3C64XX_PA_HSMMC0 +#define S3C_PA_HSMMC1 S3C64XX_PA_HSMMC1 +#define S3C_PA_HSMMC2 S3C64XX_PA_HSMMC2 +#define S3C_PA_IIC S3C64XX_PA_IIC0 +#define S3C_PA_IIC1 S3C64XX_PA_IIC1 +#define S3C_PA_NAND S3C64XX_PA_NAND +#define S3C_PA_ONENAND S3C64XX_PA_ONENAND0 +#define S3C_PA_ONENAND_BUF S3C64XX_PA_ONENAND0_BUF +#define S3C_SZ_ONENAND_BUF S3C64XX_SZ_ONENAND0_BUF +#define S3C_PA_FB S3C64XX_PA_FB +#define S3C_PA_USBHOST S3C64XX_PA_USBHOST +#define S3C_PA_USB_HSOTG S3C64XX_PA_USB_HSOTG +#define S3C_PA_RTC S3C64XX_PA_RTC +#define S3C_PA_WDT S3C64XX_PA_WATCHDOG +#define S3C_PA_SPI0 S3C64XX_PA_SPI0 +#define S3C_PA_SPI1 S3C64XX_PA_SPI1 + +#define SAMSUNG_PA_ADC S3C64XX_PA_ADC +#define SAMSUNG_PA_CFCON S3C64XX_PA_CFCON +#define SAMSUNG_PA_KEYPAD S3C64XX_PA_KEYPAD + +#endif /* __ASM_ARCH_6400_MAP_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h new file mode 100644 index 00000000..fcf3dcab --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h @@ -0,0 +1,115 @@ +/* linux/arch/arm/mach-s3c64xx/include/mach/pm-core.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - PM core support for arch/arm/plat-s3c/pm.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include + +static inline void s3c_pm_debug_init_uart(void) +{ + u32 tmp = __raw_readl(S3C_PCLK_GATE); + + /* As a note, since the S3C64XX UARTs generally have multiple + * clock sources, we simply enable PCLK at the moment and hope + * that the resume settings for the UART are suitable for the + * use with PCLK. + */ + + tmp |= S3C_CLKCON_PCLK_UART0; + tmp |= S3C_CLKCON_PCLK_UART1; + tmp |= S3C_CLKCON_PCLK_UART2; + tmp |= S3C_CLKCON_PCLK_UART3; + + __raw_writel(tmp, S3C_PCLK_GATE); + udelay(10); +} + +static inline void s3c_pm_arch_prepare_irqs(void) +{ + /* VIC should have already been taken care of */ + + /* clear any pending EINT0 interrupts */ + __raw_writel(__raw_readl(S3C64XX_EINT0PEND), S3C64XX_EINT0PEND); +} + +static inline void s3c_pm_arch_stop_clocks(void) +{ +} + +static inline void s3c_pm_arch_show_resume_irqs(void) +{ +} + +/* make these defines, we currently do not have any need to change + * the IRQ wake controls depending on the CPU we are running on */ + +#define s3c_irqwake_eintallow ((1 << 28) - 1) +#define s3c_irqwake_intallow (~0) + +static inline void s3c_pm_arch_update_uart(void __iomem *regs, + struct pm_uart_save *save) +{ + u32 ucon = __raw_readl(regs + S3C2410_UCON); + u32 ucon_clk = ucon & S3C6400_UCON_CLKMASK; + u32 save_clk = save->ucon & S3C6400_UCON_CLKMASK; + u32 new_ucon; + u32 delta; + + /* S3C64XX UART blocks only support level interrupts, so ensure that + * when we restore unused UART blocks we force the level interrupt + * settigs. */ + save->ucon |= S3C2410_UCON_TXILEVEL | S3C2410_UCON_RXILEVEL; + + /* We have a constraint on changing the clock type of the UART + * between UCLKx and PCLK, so ensure that when we restore UCON + * that the CLK field is correctly modified if the bootloader + * has changed anything. + */ + if (ucon_clk != save_clk) { + new_ucon = save->ucon; + delta = ucon_clk ^ save_clk; + + /* change from UCLKx => wrong PCLK, + * either UCLK can be tested for by a bit-test + * with UCLK0 */ + if (ucon_clk & S3C6400_UCON_UCLK0 && + !(save_clk & S3C6400_UCON_UCLK0) && + delta & S3C6400_UCON_PCLK2) { + new_ucon &= ~S3C6400_UCON_UCLK0; + } else if (delta == S3C6400_UCON_PCLK2) { + /* as an precaution, don't change from + * PCLK2 => PCLK or vice-versa */ + new_ucon ^= S3C6400_UCON_PCLK2; + } + + S3C_PMDBG("ucon change %04x => %04x (save=%04x)\n", + ucon, new_ucon, save->ucon); + save->ucon = new_ucon; + } +} + +static inline void s3c_pm_restored_gpios(void) +{ + /* ensure sleep mode has been cleared from the system */ + + __raw_writel(0, S3C64XX_SLPEN); +} + +static inline void samsung_pm_saved_gpios(void) +{ + /* turn on the sleep mode and keep it there, as it seems that during + * suspend the xCON registers get re-set and thus you can end up with + * problems between going to sleep and resuming. + */ + + __raw_writel(S3C64XX_SLPEN_USE_xSLP, S3C64XX_SLPEN); +} diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h new file mode 100644 index 00000000..05332b99 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h @@ -0,0 +1,162 @@ +/* arch/arm/plat-s3c64xx/include/plat/regs-clock.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX clock register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_REGS_CLOCK_H +#define __PLAT_REGS_CLOCK_H __FILE__ + +#define S3C_CLKREG(x) (S3C_VA_SYS + (x)) + +#define S3C_APLL_LOCK S3C_CLKREG(0x00) +#define S3C_MPLL_LOCK S3C_CLKREG(0x04) +#define S3C_EPLL_LOCK S3C_CLKREG(0x08) +#define S3C_APLL_CON S3C_CLKREG(0x0C) +#define S3C_MPLL_CON S3C_CLKREG(0x10) +#define S3C_EPLL_CON0 S3C_CLKREG(0x14) +#define S3C_EPLL_CON1 S3C_CLKREG(0x18) +#define S3C_CLK_SRC S3C_CLKREG(0x1C) +#define S3C_CLK_DIV0 S3C_CLKREG(0x20) +#define S3C_CLK_DIV1 S3C_CLKREG(0x24) +#define S3C_CLK_DIV2 S3C_CLKREG(0x28) +#define S3C_CLK_OUT S3C_CLKREG(0x2C) +#define S3C_HCLK_GATE S3C_CLKREG(0x30) +#define S3C_PCLK_GATE S3C_CLKREG(0x34) +#define S3C_SCLK_GATE S3C_CLKREG(0x38) +#define S3C_MEM0_GATE S3C_CLKREG(0x3C) +#define S3C6410_CLK_SRC2 S3C_CLKREG(0x10C) +#define S3C_MEM_SYS_CFG S3C_CLKREG(0x120) + +/* CLKDIV0 */ +#define S3C6400_CLKDIV0_PCLK_MASK (0xf << 12) +#define S3C6400_CLKDIV0_PCLK_SHIFT (12) +#define S3C6400_CLKDIV0_HCLK2_MASK (0x7 << 9) +#define S3C6400_CLKDIV0_HCLK2_SHIFT (9) +#define S3C6400_CLKDIV0_HCLK_MASK (0x1 << 8) +#define S3C6400_CLKDIV0_HCLK_SHIFT (8) +#define S3C6400_CLKDIV0_MPLL_MASK (0x1 << 4) +#define S3C6400_CLKDIV0_MPLL_SHIFT (4) + +#define S3C6400_CLKDIV0_ARM_MASK (0x7 << 0) +#define S3C6410_CLKDIV0_ARM_MASK (0xf << 0) +#define S3C6400_CLKDIV0_ARM_SHIFT (0) + +/* HCLK GATE Registers */ +#define S3C_CLKCON_HCLK_3DSE (1<<31) +#define S3C_CLKCON_HCLK_UHOST (1<<29) +#define S3C_CLKCON_HCLK_SECUR (1<<28) +#define S3C_CLKCON_HCLK_SDMA1 (1<<27) +#define S3C_CLKCON_HCLK_SDMA0 (1<<26) +#define S3C_CLKCON_HCLK_IROM (1<<25) +#define S3C_CLKCON_HCLK_DDR1 (1<<24) +#define S3C_CLKCON_HCLK_DDR0 (1<<23) +#define S3C_CLKCON_HCLK_MEM1 (1<<22) +#define S3C_CLKCON_HCLK_MEM0 (1<<21) +#define S3C_CLKCON_HCLK_USB (1<<20) +#define S3C_CLKCON_HCLK_HSMMC2 (1<<19) +#define S3C_CLKCON_HCLK_HSMMC1 (1<<18) +#define S3C_CLKCON_HCLK_HSMMC0 (1<<17) +#define S3C_CLKCON_HCLK_MDP (1<<16) +#define S3C_CLKCON_HCLK_DHOST (1<<15) +#define S3C_CLKCON_HCLK_IHOST (1<<14) +#define S3C_CLKCON_HCLK_DMA1 (1<<13) +#define S3C_CLKCON_HCLK_DMA0 (1<<12) +#define S3C_CLKCON_HCLK_JPEG (1<<11) +#define S3C_CLKCON_HCLK_CAMIF (1<<10) +#define S3C_CLKCON_HCLK_SCALER (1<<9) +#define S3C_CLKCON_HCLK_2D (1<<8) +#define S3C_CLKCON_HCLK_TV (1<<7) +#define S3C_CLKCON_HCLK_POST0 (1<<5) +#define S3C_CLKCON_HCLK_ROT (1<<4) +#define S3C_CLKCON_HCLK_LCD (1<<3) +#define S3C_CLKCON_HCLK_TZIC (1<<2) +#define S3C_CLKCON_HCLK_INTC (1<<1) +#define S3C_CLKCON_HCLK_MFC (1<<0) + +/* PCLK GATE Registers */ +#define S3C6410_CLKCON_PCLK_I2C1 (1<<27) +#define S3C6410_CLKCON_PCLK_IIS2 (1<<26) +#define S3C_CLKCON_PCLK_SKEY (1<<24) +#define S3C_CLKCON_PCLK_CHIPID (1<<23) +#define S3C_CLKCON_PCLK_SPI1 (1<<22) +#define S3C_CLKCON_PCLK_SPI0 (1<<21) +#define S3C_CLKCON_PCLK_HSIRX (1<<20) +#define S3C_CLKCON_PCLK_HSITX (1<<19) +#define S3C_CLKCON_PCLK_GPIO (1<<18) +#define S3C_CLKCON_PCLK_IIC (1<<17) +#define S3C_CLKCON_PCLK_IIS1 (1<<16) +#define S3C_CLKCON_PCLK_IIS0 (1<<15) +#define S3C_CLKCON_PCLK_AC97 (1<<14) +#define S3C_CLKCON_PCLK_TZPC (1<<13) +#define S3C_CLKCON_PCLK_TSADC (1<<12) +#define S3C_CLKCON_PCLK_KEYPAD (1<<11) +#define S3C_CLKCON_PCLK_IRDA (1<<10) +#define S3C_CLKCON_PCLK_PCM1 (1<<9) +#define S3C_CLKCON_PCLK_PCM0 (1<<8) +#define S3C_CLKCON_PCLK_PWM (1<<7) +#define S3C_CLKCON_PCLK_RTC (1<<6) +#define S3C_CLKCON_PCLK_WDT (1<<5) +#define S3C_CLKCON_PCLK_UART3 (1<<4) +#define S3C_CLKCON_PCLK_UART2 (1<<3) +#define S3C_CLKCON_PCLK_UART1 (1<<2) +#define S3C_CLKCON_PCLK_UART0 (1<<1) +#define S3C_CLKCON_PCLK_MFC (1<<0) + +/* SCLK GATE Registers */ +#define S3C_CLKCON_SCLK_UHOST (1<<30) +#define S3C_CLKCON_SCLK_MMC2_48 (1<<29) +#define S3C_CLKCON_SCLK_MMC1_48 (1<<28) +#define S3C_CLKCON_SCLK_MMC0_48 (1<<27) +#define S3C_CLKCON_SCLK_MMC2 (1<<26) +#define S3C_CLKCON_SCLK_MMC1 (1<<25) +#define S3C_CLKCON_SCLK_MMC0 (1<<24) +#define S3C_CLKCON_SCLK_SPI1_48 (1<<23) +#define S3C_CLKCON_SCLK_SPI0_48 (1<<22) +#define S3C_CLKCON_SCLK_SPI1 (1<<21) +#define S3C_CLKCON_SCLK_SPI0 (1<<20) +#define S3C_CLKCON_SCLK_DAC27 (1<<19) +#define S3C_CLKCON_SCLK_TV27 (1<<18) +#define S3C_CLKCON_SCLK_SCALER27 (1<<17) +#define S3C_CLKCON_SCLK_SCALER (1<<16) +#define S3C_CLKCON_SCLK_LCD27 (1<<15) +#define S3C_CLKCON_SCLK_LCD (1<<14) +#define S3C6400_CLKCON_SCLK_POST1_27 (1<<13) +#define S3C6410_CLKCON_FIMC (1<<13) +#define S3C_CLKCON_SCLK_POST0_27 (1<<12) +#define S3C6400_CLKCON_SCLK_POST1 (1<<11) +#define S3C6410_CLKCON_SCLK_AUDIO2 (1<<11) +#define S3C_CLKCON_SCLK_POST0 (1<<10) +#define S3C_CLKCON_SCLK_AUDIO1 (1<<9) +#define S3C_CLKCON_SCLK_AUDIO0 (1<<8) +#define S3C_CLKCON_SCLK_SECUR (1<<7) +#define S3C_CLKCON_SCLK_IRDA (1<<6) +#define S3C_CLKCON_SCLK_UART (1<<5) +#define S3C_CLKCON_SCLK_ONENAND (1<<4) +#define S3C_CLKCON_SCLK_MFC (1<<3) +#define S3C_CLKCON_SCLK_CAM (1<<2) +#define S3C_CLKCON_SCLK_JPEG (1<<1) + +/* CLKSRC */ + +#define S3C6400_CLKSRC_APLL_MOUT (1 << 0) +#define S3C6400_CLKSRC_MPLL_MOUT (1 << 1) +#define S3C6400_CLKSRC_EPLL_MOUT (1 << 2) +#define S3C6400_CLKSRC_APLL_MOUT_SHIFT (0) +#define S3C6400_CLKSRC_MPLL_MOUT_SHIFT (1) +#define S3C6400_CLKSRC_EPLL_MOUT_SHIFT (2) +#define S3C6400_CLKSRC_MFC (1 << 4) + +/* MEM_SYS_CFG */ +#define MEM_SYS_CFG_INDEP_CF 0x4000 +#define MEM_SYS_CFG_EBI_FIX_PRI_CFCON 0x30 + +#endif /* _PLAT_REGS_CLOCK_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-gpio-memport.h b/arch/arm/mach-s3c64xx/include/mach/regs-gpio-memport.h new file mode 100644 index 00000000..82342f6f --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/regs-gpio-memport.h @@ -0,0 +1,25 @@ +/* linux/arch/arm/plat-s3c64xx/include/mach/regs-gpio-memport.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - GPIO memory port register definitions + */ + +#ifndef __ASM_PLAT_S3C64XX_REGS_GPIO_MEMPORT_H +#define __ASM_PLAT_S3C64XX_REGS_GPIO_MEMPORT_H __FILE__ + +#define S3C64XX_MEM0CONSTOP S3C64XX_GPIOREG(0x1B0) +#define S3C64XX_MEM1CONSTOP S3C64XX_GPIOREG(0x1B4) + +#define S3C64XX_MEM0CONSLP0 S3C64XX_GPIOREG(0x1C0) +#define S3C64XX_MEM0CONSLP1 S3C64XX_GPIOREG(0x1C4) +#define S3C64XX_MEM1CONSLP S3C64XX_GPIOREG(0x1C8) + +#define S3C64XX_MEM0DRVCON S3C64XX_GPIOREG(0x1D0) +#define S3C64XX_MEM1DRVCON S3C64XX_GPIOREG(0x1D4) + +#endif /* __ASM_PLAT_S3C64XX_REGS_GPIO_MEMPORT_H */ + diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h b/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h new file mode 100644 index 00000000..81f7f6e6 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h @@ -0,0 +1,187 @@ +/* linux/arch/arm/plat-s3c64xx/include/mach/regs-gpio.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - GPIO register definitions + */ + +#ifndef __ASM_PLAT_S3C64XX_REGS_GPIO_H +#define __ASM_PLAT_S3C64XX_REGS_GPIO_H __FILE__ + +/* Base addresses for each of the banks */ + +#define S3C64XX_GPIOREG(reg) (S3C64XX_VA_GPIO + (reg)) + +#define S3C64XX_GPA_BASE S3C64XX_GPIOREG(0x0000) +#define S3C64XX_GPB_BASE S3C64XX_GPIOREG(0x0020) +#define S3C64XX_GPC_BASE S3C64XX_GPIOREG(0x0040) +#define S3C64XX_GPD_BASE S3C64XX_GPIOREG(0x0060) +#define S3C64XX_GPE_BASE S3C64XX_GPIOREG(0x0080) +#define S3C64XX_GPF_BASE S3C64XX_GPIOREG(0x00A0) +#define S3C64XX_GPG_BASE S3C64XX_GPIOREG(0x00C0) +#define S3C64XX_GPH_BASE S3C64XX_GPIOREG(0x00E0) +#define S3C64XX_GPI_BASE S3C64XX_GPIOREG(0x0100) +#define S3C64XX_GPJ_BASE S3C64XX_GPIOREG(0x0120) +#define S3C64XX_GPK_BASE S3C64XX_GPIOREG(0x0800) +#define S3C64XX_GPL_BASE S3C64XX_GPIOREG(0x0810) +#define S3C64XX_GPM_BASE S3C64XX_GPIOREG(0x0820) +#define S3C64XX_GPN_BASE S3C64XX_GPIOREG(0x0830) +#define S3C64XX_GPO_BASE S3C64XX_GPIOREG(0x0140) +#define S3C64XX_GPP_BASE S3C64XX_GPIOREG(0x0160) +#define S3C64XX_GPQ_BASE S3C64XX_GPIOREG(0x0180) + +/* SPCON */ + +#define S3C64XX_SPCON S3C64XX_GPIOREG(0x1A0) + +#define S3C64XX_SPCON_DRVCON_CAM_MASK (0x3 << 30) +#define S3C64XX_SPCON_DRVCON_CAM_SHIFT (30) +#define S3C64XX_SPCON_DRVCON_CAM_2mA (0x0 << 30) +#define S3C64XX_SPCON_DRVCON_CAM_4mA (0x1 << 30) +#define S3C64XX_SPCON_DRVCON_CAM_7mA (0x2 << 30) +#define S3C64XX_SPCON_DRVCON_CAM_9mA (0x3 << 30) + +#define S3C64XX_SPCON_DRVCON_HSSPI_MASK (0x3 << 28) +#define S3C64XX_SPCON_DRVCON_HSSPI_SHIFT (28) +#define S3C64XX_SPCON_DRVCON_HSSPI_2mA (0x0 << 28) +#define S3C64XX_SPCON_DRVCON_HSSPI_4mA (0x1 << 28) +#define S3C64XX_SPCON_DRVCON_HSSPI_7mA (0x2 << 28) +#define S3C64XX_SPCON_DRVCON_HSSPI_9mA (0x3 << 28) + +#define S3C64XX_SPCON_DRVCON_HSMMC_MASK (0x3 << 26) +#define S3C64XX_SPCON_DRVCON_HSMMC_SHIFT (26) +#define S3C64XX_SPCON_DRVCON_HSMMC_2mA (0x0 << 26) +#define S3C64XX_SPCON_DRVCON_HSMMC_4mA (0x1 << 26) +#define S3C64XX_SPCON_DRVCON_HSMMC_7mA (0x2 << 26) +#define S3C64XX_SPCON_DRVCON_HSMMC_9mA (0x3 << 26) + +#define S3C64XX_SPCON_DRVCON_LCD_MASK (0x3 << 24) +#define S3C64XX_SPCON_DRVCON_LCD_SHIFT (24) +#define S3C64XX_SPCON_DRVCON_LCD_2mA (0x0 << 24) +#define S3C64XX_SPCON_DRVCON_LCD_4mA (0x1 << 24) +#define S3C64XX_SPCON_DRVCON_LCD_7mA (0x2 << 24) +#define S3C64XX_SPCON_DRVCON_LCD_9mA (0x3 << 24) + +#define S3C64XX_SPCON_DRVCON_MODEM_MASK (0x3 << 22) +#define S3C64XX_SPCON_DRVCON_MODEM_SHIFT (22) +#define S3C64XX_SPCON_DRVCON_MODEM_2mA (0x0 << 22) +#define S3C64XX_SPCON_DRVCON_MODEM_4mA (0x1 << 22) +#define S3C64XX_SPCON_DRVCON_MODEM_7mA (0x2 << 22) +#define S3C64XX_SPCON_DRVCON_MODEM_9mA (0x3 << 22) + +#define S3C64XX_SPCON_nRSTOUT_OEN (1 << 21) + +#define S3C64XX_SPCON_DRVCON_SPICLK1_MASK (0x3 << 18) +#define S3C64XX_SPCON_DRVCON_SPICLK1_SHIFT (18) +#define S3C64XX_SPCON_DRVCON_SPICLK1_2mA (0x0 << 18) +#define S3C64XX_SPCON_DRVCON_SPICLK1_4mA (0x1 << 18) +#define S3C64XX_SPCON_DRVCON_SPICLK1_7mA (0x2 << 18) +#define S3C64XX_SPCON_DRVCON_SPICLK1_9mA (0x3 << 18) + +#define S3C64XX_SPCON_MEM1_DQS_PUD_MASK (0x3 << 16) +#define S3C64XX_SPCON_MEM1_DQS_PUD_SHIFT (16) +#define S3C64XX_SPCON_MEM1_DQS_PUD_DISABLED (0x0 << 16) +#define S3C64XX_SPCON_MEM1_DQS_PUD_DOWN (0x1 << 16) +#define S3C64XX_SPCON_MEM1_DQS_PUD_UP (0x2 << 16) + +#define S3C64XX_SPCON_MEM1_D_PUD1_MASK (0x3 << 14) +#define S3C64XX_SPCON_MEM1_D_PUD1_SHIFT (14) +#define S3C64XX_SPCON_MEM1_D_PUD1_DISABLED (0x0 << 14) +#define S3C64XX_SPCON_MEM1_D_PUD1_DOWN (0x1 << 14) +#define S3C64XX_SPCON_MEM1_D_PUD1_UP (0x2 << 14) + +#define S3C64XX_SPCON_MEM1_D_PUD0_MASK (0x3 << 12) +#define S3C64XX_SPCON_MEM1_D_PUD0_SHIFT (12) +#define S3C64XX_SPCON_MEM1_D_PUD0_DISABLED (0x0 << 12) +#define S3C64XX_SPCON_MEM1_D_PUD0_DOWN (0x1 << 12) +#define S3C64XX_SPCON_MEM1_D_PUD0_UP (0x2 << 12) + +#define S3C64XX_SPCON_MEM0_D_PUD_MASK (0x3 << 8) +#define S3C64XX_SPCON_MEM0_D_PUD_SHIFT (8) +#define S3C64XX_SPCON_MEM0_D_PUD_DISABLED (0x0 << 8) +#define S3C64XX_SPCON_MEM0_D_PUD_DOWN (0x1 << 8) +#define S3C64XX_SPCON_MEM0_D_PUD_UP (0x2 << 8) + +#define S3C64XX_SPCON_USBH_DMPD (1 << 7) +#define S3C64XX_SPCON_USBH_DPPD (1 << 6) +#define S3C64XX_SPCON_USBH_PUSW2 (1 << 5) +#define S3C64XX_SPCON_USBH_PUSW1 (1 << 4) +#define S3C64XX_SPCON_USBH_SUSPND (1 << 3) + +#define S3C64XX_SPCON_LCD_SEL_MASK (0x3 << 0) +#define S3C64XX_SPCON_LCD_SEL_SHIFT (0) +#define S3C64XX_SPCON_LCD_SEL_HOST (0x0 << 0) +#define S3C64XX_SPCON_LCD_SEL_RGB (0x1 << 0) +#define S3C64XX_SPCON_LCD_SEL_606_656 (0x2 << 0) + + +/* External interrupt registers */ + +#define S3C64XX_EINT12CON S3C64XX_GPIOREG(0x200) +#define S3C64XX_EINT34CON S3C64XX_GPIOREG(0x204) +#define S3C64XX_EINT56CON S3C64XX_GPIOREG(0x208) +#define S3C64XX_EINT78CON S3C64XX_GPIOREG(0x20C) +#define S3C64XX_EINT9CON S3C64XX_GPIOREG(0x210) + +#define S3C64XX_EINT12FLTCON S3C64XX_GPIOREG(0x220) +#define S3C64XX_EINT34FLTCON S3C64XX_GPIOREG(0x224) +#define S3C64XX_EINT56FLTCON S3C64XX_GPIOREG(0x228) +#define S3C64XX_EINT78FLTCON S3C64XX_GPIOREG(0x22C) +#define S3C64XX_EINT9FLTCON S3C64XX_GPIOREG(0x230) + +#define S3C64XX_EINT12MASK S3C64XX_GPIOREG(0x240) +#define S3C64XX_EINT34MASK S3C64XX_GPIOREG(0x244) +#define S3C64XX_EINT56MASK S3C64XX_GPIOREG(0x248) +#define S3C64XX_EINT78MASK S3C64XX_GPIOREG(0x24C) +#define S3C64XX_EINT9MASK S3C64XX_GPIOREG(0x250) + +#define S3C64XX_EINT12PEND S3C64XX_GPIOREG(0x260) +#define S3C64XX_EINT34PEND S3C64XX_GPIOREG(0x264) +#define S3C64XX_EINT56PEND S3C64XX_GPIOREG(0x268) +#define S3C64XX_EINT78PEND S3C64XX_GPIOREG(0x26C) +#define S3C64XX_EINT9PEND S3C64XX_GPIOREG(0x270) + +#define S3C64XX_PRIORITY S3C64XX_GPIOREG(0x280) +#define S3C64XX_PRIORITY_ARB(x) (1 << (x)) + +#define S3C64XX_SERVICE S3C64XX_GPIOREG(0x284) +#define S3C64XX_SERVICEPEND S3C64XX_GPIOREG(0x288) + +#define S3C64XX_EINT0CON0 S3C64XX_GPIOREG(0x900) +#define S3C64XX_EINT0CON1 S3C64XX_GPIOREG(0x904) +#define S3C64XX_EINT0FLTCON0 S3C64XX_GPIOREG(0x910) +#define S3C64XX_EINT0FLTCON1 S3C64XX_GPIOREG(0x914) +#define S3C64XX_EINT0FLTCON2 S3C64XX_GPIOREG(0x918) +#define S3C64XX_EINT0FLTCON3 S3C64XX_GPIOREG(0x91C) + +#define S3C64XX_EINT0MASK S3C64XX_GPIOREG(0x920) +#define S3C64XX_EINT0PEND S3C64XX_GPIOREG(0x924) + +/* GPIO sleep configuration */ + +#define S3C64XX_SPCONSLP S3C64XX_GPIOREG(0x880) + +#define S3C64XX_SPCONSLP_TDO_PULLDOWN (1 << 14) +#define S3C64XX_SPCONSLP_CKE1INIT (1 << 5) + +#define S3C64XX_SPCONSLP_RSTOUT_MASK (0x3 << 12) +#define S3C64XX_SPCONSLP_RSTOUT_OUT0 (0x0 << 12) +#define S3C64XX_SPCONSLP_RSTOUT_OUT1 (0x1 << 12) +#define S3C64XX_SPCONSLP_RSTOUT_HIZ (0x2 << 12) + +#define S3C64XX_SPCONSLP_KPCOL_MASK (0x3 << 0) +#define S3C64XX_SPCONSLP_KPCOL_OUT0 (0x0 << 0) +#define S3C64XX_SPCONSLP_KPCOL_OUT1 (0x1 << 0) +#define S3C64XX_SPCONSLP_KPCOL_INP (0x2 << 0) + + +#define S3C64XX_SLPEN S3C64XX_GPIOREG(0x930) + +#define S3C64XX_SLPEN_USE_xSLP (1 << 0) +#define S3C64XX_SLPEN_CFG_BYSLPEN (1 << 1) + +#endif /* __ASM_PLAT_S3C64XX_REGS_GPIO_H */ + diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-irq.h b/arch/arm/mach-s3c64xx/include/mach/regs-irq.h new file mode 100644 index 00000000..bcce68a0 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/regs-irq.h @@ -0,0 +1,20 @@ +/* linux/arch/arm/mach-s3c6400/include/mach/regs-irq.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C64XX - IRQ register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_REGS_IRQ_H +#define __ASM_ARCH_REGS_IRQ_H __FILE__ + +#include + +#endif /* __ASM_ARCH_6400_REGS_IRQ_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-modem.h b/arch/arm/mach-s3c64xx/include/mach/regs-modem.h new file mode 100644 index 00000000..49f7759d --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/regs-modem.h @@ -0,0 +1,31 @@ +/* arch/arm/plat-s3c64xx/include/plat/regs-modem.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C64XX - modem block registers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_S3C64XX_REGS_MODEM_H +#define __PLAT_S3C64XX_REGS_MODEM_H __FILE__ + +#define S3C64XX_MODEMREG(x) (S3C64XX_VA_MODEM + (x)) + +#define S3C64XX_MODEM_INT2AP S3C64XX_MODEMREG(0x0) +#define S3C64XX_MODEM_INT2MODEM S3C64XX_MODEMREG(0x4) +#define S3C64XX_MODEM_MIFCON S3C64XX_MODEMREG(0x8) +#define S3C64XX_MODEM_MIFPCON S3C64XX_MODEMREG(0xC) +#define S3C64XX_MODEM_INTCLR S3C64XX_MODEMREG(0x10) +#define S3C64XX_MODEM_DMA_TXADDR S3C64XX_MODEMREG(0x14) +#define S3C64XX_MODEM_DMA_RXADDR S3C64XX_MODEMREG(0x18) + +#define MIFPCON_INT2M_LEVEL (1 << 4) +#define MIFPCON_LCD_BYPASS (1 << 3) + +#endif /* __PLAT_S3C64XX_REGS_MODEM_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-srom.h b/arch/arm/mach-s3c64xx/include/mach/regs-srom.h new file mode 100644 index 00000000..756731b3 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/regs-srom.h @@ -0,0 +1,59 @@ +/* arch/arm/plat-s3c64xx/include/plat/regs-srom.h + * + * Copyright 2009 Andy Green + * + * S3C64XX SROM definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_REGS_SROM_H +#define __PLAT_REGS_SROM_H __FILE__ + +#define S3C64XX_SROMREG(x) (S3C_VA_MEM + (x)) + +#define S3C64XX_SROM_BW S3C64XX_SROMREG(0) +#define S3C64XX_SROM_BC0 S3C64XX_SROMREG(4) +#define S3C64XX_SROM_BC1 S3C64XX_SROMREG(8) +#define S3C64XX_SROM_BC2 S3C64XX_SROMREG(0xc) +#define S3C64XX_SROM_BC3 S3C64XX_SROMREG(0x10) +#define S3C64XX_SROM_BC4 S3C64XX_SROMREG(0x14) +#define S3C64XX_SROM_BC5 S3C64XX_SROMREG(0x18) + +/* + * one register BW holds 5 x 4-bit packed settings for NCS0 - NCS4 + */ + +#define S3C64XX_SROM_BW__DATAWIDTH__SHIFT 0 +#define S3C64XX_SROM_BW__WAITENABLE__SHIFT 2 +#define S3C64XX_SROM_BW__BYTEENABLE__SHIFT 3 +#define S3C64XX_SROM_BW__CS_MASK 0xf + +#define S3C64XX_SROM_BW__NCS0__SHIFT 0 +#define S3C64XX_SROM_BW__NCS1__SHIFT 4 +#define S3C64XX_SROM_BW__NCS2__SHIFT 8 +#define S3C64XX_SROM_BW__NCS3__SHIFT 0xc +#define S3C64XX_SROM_BW__NCS4__SHIFT 0x10 + +/* + * applies to same to BCS0 - BCS4 + */ + +#define S3C64XX_SROM_BCX__PMC__SHIFT 0 +#define S3C64XX_SROM_BCX__PMC__MASK 3 +#define S3C64XX_SROM_BCX__TACP__SHIFT 4 +#define S3C64XX_SROM_BCX__TACP__MASK 0xf +#define S3C64XX_SROM_BCX__TCAH__SHIFT 8 +#define S3C64XX_SROM_BCX__TCAH__MASK 0xf +#define S3C64XX_SROM_BCX__TCOH__SHIFT 12 +#define S3C64XX_SROM_BCX__TCOH__MASK 0xf +#define S3C64XX_SROM_BCX__TACC__SHIFT 16 +#define S3C64XX_SROM_BCX__TACC__MASK 0x1f +#define S3C64XX_SROM_BCX__TCOS__SHIFT 24 +#define S3C64XX_SROM_BCX__TCOS__MASK 0xf +#define S3C64XX_SROM_BCX__TACS__SHIFT 28 +#define S3C64XX_SROM_BCX__TACS__MASK 0xf + +#endif /* _PLAT_REGS_SROM_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-sys.h b/arch/arm/mach-s3c64xx/include/mach/regs-sys.h new file mode 100644 index 00000000..b91e0209 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/regs-sys.h @@ -0,0 +1,31 @@ +/* arch/arm/plat-s3c64xx/include/plat/regs-sys.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX system register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_REGS_SYS_H +#define __PLAT_REGS_SYS_H __FILE__ + +#define S3C_SYSREG(x) (S3C_VA_SYS + (x)) + +#define S3C64XX_AHB_CON0 S3C_SYSREG(0x100) +#define S3C64XX_AHB_CON1 S3C_SYSREG(0x104) +#define S3C64XX_AHB_CON2 S3C_SYSREG(0x108) + +#define S3C64XX_SDMA_SEL S3C_SYSREG(0x110) + +#define S3C64XX_OTHERS S3C_SYSREG(0x900) + +#define S3C64XX_OTHERS_USBMASK (1 << 16) +#define S3C64XX_OTHERS_SYNCMUXSEL (1 << 6) + +#endif /* _PLAT_REGS_SYS_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-syscon-power.h b/arch/arm/mach-s3c64xx/include/mach/regs-syscon-power.h new file mode 100644 index 00000000..270d96ac --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/regs-syscon-power.h @@ -0,0 +1,116 @@ +/* arch/arm/plat-s3c64xx/include/plat/regs-syscon-power.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C64XX - syscon power and sleep control registers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_S3C64XX_REGS_SYSCON_POWER_H +#define __PLAT_S3C64XX_REGS_SYSCON_POWER_H __FILE__ + +#define S3C64XX_PWR_CFG S3C_SYSREG(0x804) + +#define S3C64XX_PWRCFG_OSC_OTG_DISABLE (1 << 17) +#define S3C64XX_PWRCFG_MMC2_DISABLE (1 << 16) +#define S3C64XX_PWRCFG_MMC1_DISABLE (1 << 15) +#define S3C64XX_PWRCFG_MMC0_DISABLE (1 << 14) +#define S3C64XX_PWRCFG_HSI_DISABLE (1 << 13) +#define S3C64XX_PWRCFG_TS_DISABLE (1 << 12) +#define S3C64XX_PWRCFG_RTC_TICK_DISABLE (1 << 11) +#define S3C64XX_PWRCFG_RTC_ALARM_DISABLE (1 << 10) +#define S3C64XX_PWRCFG_MSM_DISABLE (1 << 9) +#define S3C64XX_PWRCFG_KEY_DISABLE (1 << 8) +#define S3C64XX_PWRCFG_BATF_DISABLE (1 << 7) + +#define S3C64XX_PWRCFG_CFG_WFI_MASK (0x3 << 5) +#define S3C64XX_PWRCFG_CFG_WFI_SHIFT (5) +#define S3C64XX_PWRCFG_CFG_WFI_IGNORE (0x0 << 5) +#define S3C64XX_PWRCFG_CFG_WFI_IDLE (0x1 << 5) +#define S3C64XX_PWRCFG_CFG_WFI_STOP (0x2 << 5) +#define S3C64XX_PWRCFG_CFG_WFI_SLEEP (0x3 << 5) + +#define S3C64XX_PWRCFG_CFG_BATFLT_MASK (0x3 << 3) +#define S3C64XX_PWRCFG_CFG_BATFLT_SHIFT (3) +#define S3C64XX_PWRCFG_CFG_BATFLT_IGNORE (0x0 << 3) +#define S3C64XX_PWRCFG_CFG_BATFLT_IRQ (0x1 << 3) +#define S3C64XX_PWRCFG_CFG_BATFLT_SLEEP (0x3 << 3) + +#define S3C64XX_PWRCFG_CFG_BAT_WAKE (1 << 2) +#define S3C64XX_PWRCFG_OSC27_EN (1 << 0) + +#define S3C64XX_EINT_MASK S3C_SYSREG(0x808) + +#define S3C64XX_NORMAL_CFG S3C_SYSREG(0x810) + +#define S3C64XX_NORMALCFG_IROM_ON (1 << 30) +#define S3C64XX_NORMALCFG_DOMAIN_ETM_ON (1 << 16) +#define S3C64XX_NORMALCFG_DOMAIN_S_ON (1 << 15) +#define S3C64XX_NORMALCFG_DOMAIN_F_ON (1 << 14) +#define S3C64XX_NORMALCFG_DOMAIN_P_ON (1 << 13) +#define S3C64XX_NORMALCFG_DOMAIN_I_ON (1 << 12) +#define S3C64XX_NORMALCFG_DOMAIN_G_ON (1 << 10) +#define S3C64XX_NORMALCFG_DOMAIN_V_ON (1 << 9) + +#define S3C64XX_STOP_CFG S3C_SYSREG(0x814) + +#define S3C64XX_STOPCFG_MEMORY_ARM_ON (1 << 29) +#define S3C64XX_STOPCFG_TOP_MEMORY_ON (1 << 20) +#define S3C64XX_STOPCFG_ARM_LOGIC_ON (1 << 17) +#define S3C64XX_STOPCFG_TOP_LOGIC_ON (1 << 8) +#define S3C64XX_STOPCFG_OSC_EN (1 << 0) + +#define S3C64XX_SLEEP_CFG S3C_SYSREG(0x818) + +#define S3C64XX_SLEEPCFG_OSC_EN (1 << 0) + +#define S3C64XX_STOP_MEM_CFG S3C_SYSREG(0x81c) + +#define S3C64XX_STOPMEMCFG_MODEMIF_RETAIN (1 << 6) +#define S3C64XX_STOPMEMCFG_HOSTIF_RETAIN (1 << 5) +#define S3C64XX_STOPMEMCFG_OTG_RETAIN (1 << 4) +#define S3C64XX_STOPMEMCFG_HSMCC_RETAIN (1 << 3) +#define S3C64XX_STOPMEMCFG_IROM_RETAIN (1 << 2) +#define S3C64XX_STOPMEMCFG_IRDA_RETAIN (1 << 1) +#define S3C64XX_STOPMEMCFG_NFCON_RETAIN (1 << 0) + +#define S3C64XX_OSC_STABLE S3C_SYSREG(0x824) +#define S3C64XX_PWR_STABLE S3C_SYSREG(0x828) + +#define S3C64XX_WAKEUP_STAT S3C_SYSREG(0x908) + +#define S3C64XX_WAKEUPSTAT_MMC2 (1 << 11) +#define S3C64XX_WAKEUPSTAT_MMC1 (1 << 10) +#define S3C64XX_WAKEUPSTAT_MMC0 (1 << 9) +#define S3C64XX_WAKEUPSTAT_HSI (1 << 8) +#define S3C64XX_WAKEUPSTAT_BATFLT (1 << 6) +#define S3C64XX_WAKEUPSTAT_MSM (1 << 5) +#define S3C64XX_WAKEUPSTAT_KEY (1 << 4) +#define S3C64XX_WAKEUPSTAT_TS (1 << 3) +#define S3C64XX_WAKEUPSTAT_RTC_TICK (1 << 2) +#define S3C64XX_WAKEUPSTAT_RTC_ALARM (1 << 1) +#define S3C64XX_WAKEUPSTAT_EINT (1 << 0) + +#define S3C64XX_BLK_PWR_STAT S3C_SYSREG(0x90c) + +#define S3C64XX_BLKPWRSTAT_G (1 << 7) +#define S3C64XX_BLKPWRSTAT_ETM (1 << 6) +#define S3C64XX_BLKPWRSTAT_S (1 << 5) +#define S3C64XX_BLKPWRSTAT_F (1 << 4) +#define S3C64XX_BLKPWRSTAT_P (1 << 3) +#define S3C64XX_BLKPWRSTAT_I (1 << 2) +#define S3C64XX_BLKPWRSTAT_V (1 << 1) +#define S3C64XX_BLKPWRSTAT_TOP (1 << 0) + +#define S3C64XX_INFORM0 S3C_SYSREG(0xA00) +#define S3C64XX_INFORM1 S3C_SYSREG(0xA04) +#define S3C64XX_INFORM2 S3C_SYSREG(0xA08) +#define S3C64XX_INFORM3 S3C_SYSREG(0xA0C) + +#endif /* __PLAT_S3C64XX_REGS_SYSCON_POWER_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/spi-clocks.h b/arch/arm/mach-s3c64xx/include/mach/spi-clocks.h new file mode 100644 index 00000000..9d0c43b4 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/spi-clocks.h @@ -0,0 +1,18 @@ +/* linux/arch/arm/mach-s3c64xx/include/mach/spi-clocks.h + * + * Copyright (C) 2009 Samsung Electronics Ltd. + * Jaswinder Singh + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __S3C64XX_PLAT_SPI_CLKS_H +#define __S3C64XX_PLAT_SPI_CLKS_H __FILE__ + +#define S3C64XX_SPI_SRCCLK_PCLK 0 +#define S3C64XX_SPI_SRCCLK_SPIBUS 1 +#define S3C64XX_SPI_SRCCLK_48M 2 + +#endif /* __S3C64XX_PLAT_SPI_CLKS_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/tick.h b/arch/arm/mach-s3c64xx/include/mach/tick.h new file mode 100644 index 00000000..ebe18a94 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/tick.h @@ -0,0 +1,29 @@ +/* linux/arch/arm/mach-s3c6400/include/mach/tick.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C64XX - Timer tick support definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_TICK_H +#define __ASM_ARCH_TICK_H __FILE__ + +/* note, the timer interrutps turn up in 2 places, the vic and then + * the timer block. We take the VIC as the base at the moment. + */ +static inline u32 s3c24xx_ostimer_pending(void) +{ + u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS); + return pend & 1 << (IRQ_TIMER4_VIC - S3C64XX_IRQ_VIC0(0)); +} + +#define TICK_MAX (0xffffffff) + +#endif /* __ASM_ARCH_6400_TICK_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/timex.h b/arch/arm/mach-s3c64xx/include/mach/timex.h new file mode 100644 index 00000000..fb2e8cd4 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/timex.h @@ -0,0 +1,24 @@ +/* arch/arm/mach-s3c64xx/include/mach/timex.h + * + * Copyright (c) 2003-2005 Simtec Electronics + * Ben Dooks + * + * S3C6400 - time parameters + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_TIMEX_H +#define __ASM_ARCH_TIMEX_H + +/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it + * a variable is useless. It seems as long as we make our timers an + * exact multiple of HZ, any value that makes a 1->1 correspondence + * for the time conversion functions to/from jiffies is acceptable. +*/ + +#define CLOCK_TICK_RATE 12000000 + +#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/uncompress.h b/arch/arm/mach-s3c64xx/include/mach/uncompress.h new file mode 100644 index 00000000..c6a82a20 --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/uncompress.h @@ -0,0 +1,28 @@ +/* arch/arm/mach-s3c6400/include/mach/uncompress.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C6400 - uncompress code + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_UNCOMPRESS_H +#define __ASM_ARCH_UNCOMPRESS_H + +#include +#include + +static void arch_detect_cpu(void) +{ + /* we do not need to do any cpu detection here at the moment. */ + fifo_mask = S3C2440_UFSTAT_TXMASK; + fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT; +} + +#endif /* __ASM_ARCH_UNCOMPRESS_H */ diff --git a/arch/arm/mach-s3c64xx/irq-pm.c b/arch/arm/mach-s3c64xx/irq-pm.c new file mode 100644 index 00000000..0c7e1d96 --- /dev/null +++ b/arch/arm/mach-s3c64xx/irq-pm.c @@ -0,0 +1,111 @@ +/* arch/arm/plat-s3c64xx/irq-pm.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - Interrupt handling Power Management + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include + +/* We handled all the IRQ types in this code, to save having to make several + * small files to handle each different type separately. Having the EINT_GRP + * code here shouldn't be as much bloat as the IRQ table space needed when + * they are enabled. The added benefit is we ensure that these registers are + * in the same state as we suspended. + */ + +static struct sleep_save irq_save[] = { + SAVE_ITEM(S3C64XX_PRIORITY), + SAVE_ITEM(S3C64XX_EINT0CON0), + SAVE_ITEM(S3C64XX_EINT0CON1), + SAVE_ITEM(S3C64XX_EINT0FLTCON0), + SAVE_ITEM(S3C64XX_EINT0FLTCON1), + SAVE_ITEM(S3C64XX_EINT0FLTCON2), + SAVE_ITEM(S3C64XX_EINT0FLTCON3), + SAVE_ITEM(S3C64XX_EINT0MASK), + SAVE_ITEM(S3C64XX_TINT_CSTAT), +}; + +static struct irq_grp_save { + u32 fltcon; + u32 con; + u32 mask; +} eint_grp_save[5]; + +static u32 irq_uart_mask[CONFIG_SERIAL_SAMSUNG_UARTS]; + +static int s3c64xx_irq_pm_suspend(void) +{ + struct irq_grp_save *grp = eint_grp_save; + int i; + + S3C_PMDBG("%s: suspending IRQs\n", __func__); + + s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save)); + + for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++) + irq_uart_mask[i] = __raw_readl(S3C_VA_UARTx(i) + S3C64XX_UINTM); + + for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) { + grp->con = __raw_readl(S3C64XX_EINT12CON + (i * 4)); + grp->mask = __raw_readl(S3C64XX_EINT12MASK + (i * 4)); + grp->fltcon = __raw_readl(S3C64XX_EINT12FLTCON + (i * 4)); + } + + return 0; +} + +static void s3c64xx_irq_pm_resume(void) +{ + struct irq_grp_save *grp = eint_grp_save; + int i; + + S3C_PMDBG("%s: resuming IRQs\n", __func__); + + s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); + + for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++) + __raw_writel(irq_uart_mask[i], S3C_VA_UARTx(i) + S3C64XX_UINTM); + + for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) { + __raw_writel(grp->con, S3C64XX_EINT12CON + (i * 4)); + __raw_writel(grp->mask, S3C64XX_EINT12MASK + (i * 4)); + __raw_writel(grp->fltcon, S3C64XX_EINT12FLTCON + (i * 4)); + } + + S3C_PMDBG("%s: IRQ configuration restored\n", __func__); +} + +static struct syscore_ops s3c64xx_irq_syscore_ops = { + .suspend = s3c64xx_irq_pm_suspend, + .resume = s3c64xx_irq_pm_resume, +}; + +static __init int s3c64xx_syscore_init(void) +{ + register_syscore_ops(&s3c64xx_irq_syscore_ops); + + return 0; +} + +core_initcall(s3c64xx_syscore_init); diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c new file mode 100644 index 00000000..b86f2779 --- /dev/null +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c @@ -0,0 +1,246 @@ +/* linux/arch/arm/mach-s3c64xx/mach-anw6410.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * Copyright 2009 Kwangwoo Lee + * Kwangwoo Lee + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include