diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-mmp/pxa910.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-mmp/pxa910.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-mmp/pxa910.c b/ANDROID_3.4.5/arch/arm/mach-mmp/pxa910.c new file mode 100644 index 00000000..43f8bcc2 --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/mach-mmp/pxa910.c @@ -0,0 +1,213 @@ +/* + * linux/arch/arm/mach-mmp/pxa910.c + * + * Code specific to PXA910 + * + * 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 <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/io.h> +#include <linux/platform_device.h> + +#include <asm/mach/time.h> +#include <mach/addr-map.h> +#include <mach/regs-apbc.h> +#include <mach/regs-apmu.h> +#include <mach/cputype.h> +#include <mach/irqs.h> +#include <mach/dma.h> +#include <mach/mfp.h> +#include <mach/devices.h> + +#include "common.h" +#include "clock.h" + +#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000) + +static struct mfp_addr_map pxa910_mfp_addr_map[] __initdata = +{ + MFP_ADDR_X(GPIO0, GPIO54, 0xdc), + MFP_ADDR_X(GPIO67, GPIO98, 0x1b8), + MFP_ADDR_X(GPIO100, GPIO109, 0x238), + + MFP_ADDR(GPIO123, 0xcc), + MFP_ADDR(GPIO124, 0xd0), + + MFP_ADDR(DF_IO0, 0x40), + MFP_ADDR(DF_IO1, 0x3c), + MFP_ADDR(DF_IO2, 0x38), + MFP_ADDR(DF_IO3, 0x34), + MFP_ADDR(DF_IO4, 0x30), + MFP_ADDR(DF_IO5, 0x2c), + MFP_ADDR(DF_IO6, 0x28), + MFP_ADDR(DF_IO7, 0x24), + MFP_ADDR(DF_IO8, 0x20), + MFP_ADDR(DF_IO9, 0x1c), + MFP_ADDR(DF_IO10, 0x18), + MFP_ADDR(DF_IO11, 0x14), + MFP_ADDR(DF_IO12, 0x10), + MFP_ADDR(DF_IO13, 0xc), + MFP_ADDR(DF_IO14, 0x8), + MFP_ADDR(DF_IO15, 0x4), + + MFP_ADDR(DF_nCS0_SM_nCS2, 0x44), + MFP_ADDR(DF_nCS1_SM_nCS3, 0x48), + MFP_ADDR(SM_nCS0, 0x4c), + MFP_ADDR(SM_nCS1, 0x50), + MFP_ADDR(DF_WEn, 0x54), + MFP_ADDR(DF_REn, 0x58), + MFP_ADDR(DF_CLE_SM_OEn, 0x5c), + MFP_ADDR(DF_ALE_SM_WEn, 0x60), + MFP_ADDR(SM_SCLK, 0x64), + MFP_ADDR(DF_RDY0, 0x68), + MFP_ADDR(SM_BE0, 0x6c), + MFP_ADDR(SM_BE1, 0x70), + MFP_ADDR(SM_ADV, 0x74), + MFP_ADDR(DF_RDY1, 0x78), + MFP_ADDR(SM_ADVMUX, 0x7c), + MFP_ADDR(SM_RDY, 0x80), + + MFP_ADDR_X(MMC1_DAT7, MMC1_WP, 0x84), + + MFP_ADDR_END, +}; + +void __init pxa910_init_irq(void) +{ + icu_init_irq(); +} + +/* APB peripheral clocks */ +static APBC_CLK(uart1, PXA910_UART0, 1, 14745600); +static APBC_CLK(uart2, PXA910_UART1, 1, 14745600); +static APBC_CLK(twsi0, PXA168_TWSI0, 1, 33000000); +static APBC_CLK(twsi1, PXA168_TWSI1, 1, 33000000); +static APBC_CLK(pwm1, PXA910_PWM1, 1, 13000000); +static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000); +static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000); +static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000); +static APBC_CLK(gpio, PXA910_GPIO, 0, 13000000); +static APBC_CLK(rtc, PXA910_RTC, 8, 32768); + +static APMU_CLK(nand, NAND, 0x19b, 156000000); +static APMU_CLK(u2o, USB, 0x1b, 480000000); + +/* device and clock bindings */ +static struct clk_lookup pxa910_clkregs[] = { + INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL), + INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL), + INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL), + INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL), + INIT_CLKREG(&clk_pwm1, "pxa910-pwm.0", NULL), + INIT_CLKREG(&clk_pwm2, "pxa910-pwm.1", NULL), + INIT_CLKREG(&clk_pwm3, "pxa910-pwm.2", NULL), + INIT_CLKREG(&clk_pwm4, "pxa910-pwm.3", NULL), + INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), + INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL), + INIT_CLKREG(&clk_u2o, "pxa-u2o", "U2OCLK"), + INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL), +}; + +static int __init pxa910_init(void) +{ + if (cpu_is_pxa910()) { + mfp_init_base(MFPR_VIRT_BASE); + mfp_init_addr(pxa910_mfp_addr_map); + pxa_init_dma(IRQ_PXA910_DMA_INT0, 32); + clkdev_add_table(ARRAY_AND_SIZE(pxa910_clkregs)); + } + + return 0; +} +postcore_initcall(pxa910_init); + +/* system timer - clock enabled, 3.25MHz */ +#define TIMER_CLK_RST (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3)) + +static void __init pxa910_timer_init(void) +{ + /* reset and configure */ + __raw_writel(APBC_APBCLK | APBC_RST, APBC_PXA910_TIMERS); + __raw_writel(TIMER_CLK_RST, APBC_PXA910_TIMERS); + + timer_init(IRQ_PXA910_AP1_TIMER1); +} + +struct sys_timer pxa910_timer = { + .init = pxa910_timer_init, +}; + +/* on-chip devices */ + +/* NOTE: there are totally 3 UARTs on PXA910: + * + * UART1 - Slow UART (can be used both by AP and CP) + * UART2/3 - Fast UART + * + * To be backward compatible with the legacy FFUART/BTUART/STUART sequence, + * they are re-ordered as: + * + * pxa910_device_uart1 - UART2 as FFUART + * pxa910_device_uart2 - UART3 as BTUART + * + * UART1 is not used by AP for the moment. + */ +PXA910_DEVICE(uart1, "pxa2xx-uart", 0, UART2, 0xd4017000, 0x30, 21, 22); +PXA910_DEVICE(uart2, "pxa2xx-uart", 1, UART3, 0xd4018000, 0x30, 23, 24); +PXA910_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28); +PXA910_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28); +PXA910_DEVICE(pwm1, "pxa910-pwm", 0, NONE, 0xd401a000, 0x10); +PXA910_DEVICE(pwm2, "pxa910-pwm", 1, NONE, 0xd401a400, 0x10); +PXA910_DEVICE(pwm3, "pxa910-pwm", 2, NONE, 0xd401a800, 0x10); +PXA910_DEVICE(pwm4, "pxa910-pwm", 3, NONE, 0xd401ac00, 0x10); +PXA910_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x80, 97, 99); + +struct resource pxa910_resource_gpio[] = { + { + .start = 0xd4019000, + .end = 0xd4019fff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PXA910_AP_GPIO, + .end = IRQ_PXA910_AP_GPIO, + .name = "gpio_mux", + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa910_device_gpio = { + .name = "pxa-gpio", + .id = -1, + .num_resources = ARRAY_SIZE(pxa910_resource_gpio), + .resource = pxa910_resource_gpio, +}; + +static struct resource pxa910_resource_rtc[] = { + { + .start = 0xd4010000, + .end = 0xd401003f, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PXA910_RTC_INT, + .end = IRQ_PXA910_RTC_INT, + .name = "rtc 1Hz", + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_PXA910_RTC_ALARM, + .end = IRQ_PXA910_RTC_ALARM, + .name = "rtc alarm", + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa910_device_rtc = { + .name = "sa1100-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(pxa910_resource_rtc), + .resource = pxa910_resource_rtc, +}; |