diff options
Diffstat (limited to 'arch/arm/mach-mmp/mmp2.c')
| -rw-r--r-- | arch/arm/mach-mmp/mmp2.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c new file mode 100644 index 00000000..c709a24a --- /dev/null +++ b/arch/arm/mach-mmp/mmp2.c @@ -0,0 +1,236 @@ +/* + * linux/arch/arm/mach-mmp/mmp2.c + * + * code name MMP2 + * + * Copyright (C) 2009 Marvell International Ltd. + * + * 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/io.h> +#include <linux/platform_device.h> + +#include <asm/hardware/cache-tauros2.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 <mach/mmp2.h> + +#include "common.h" +#include "clock.h" + +#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000) + +static struct mfp_addr_map mmp2_addr_map[] __initdata = { + + MFP_ADDR_X(GPIO0, GPIO58, 0x54), + MFP_ADDR_X(GPIO59, GPIO73, 0x280), + MFP_ADDR_X(GPIO74, GPIO101, 0x170), + + MFP_ADDR(GPIO102, 0x0), + MFP_ADDR(GPIO103, 0x4), + MFP_ADDR(GPIO104, 0x1fc), + MFP_ADDR(GPIO105, 0x1f8), + MFP_ADDR(GPIO106, 0x1f4), + MFP_ADDR(GPIO107, 0x1f0), + MFP_ADDR(GPIO108, 0x21c), + MFP_ADDR(GPIO109, 0x218), + MFP_ADDR(GPIO110, 0x214), + MFP_ADDR(GPIO111, 0x200), + MFP_ADDR(GPIO112, 0x244), + MFP_ADDR(GPIO113, 0x25c), + MFP_ADDR(GPIO114, 0x164), + MFP_ADDR_X(GPIO115, GPIO122, 0x260), + + MFP_ADDR(GPIO123, 0x148), + MFP_ADDR_X(GPIO124, GPIO141, 0xc), + + MFP_ADDR(GPIO142, 0x8), + MFP_ADDR_X(GPIO143, GPIO151, 0x220), + MFP_ADDR_X(GPIO152, GPIO153, 0x248), + MFP_ADDR_X(GPIO154, GPIO155, 0x254), + MFP_ADDR_X(GPIO156, GPIO159, 0x14c), + + MFP_ADDR(GPIO160, 0x250), + MFP_ADDR(GPIO161, 0x210), + MFP_ADDR(GPIO162, 0x20c), + MFP_ADDR(GPIO163, 0x208), + MFP_ADDR(GPIO164, 0x204), + MFP_ADDR(GPIO165, 0x1ec), + MFP_ADDR(GPIO166, 0x1e8), + MFP_ADDR(GPIO167, 0x1e4), + MFP_ADDR(GPIO168, 0x1e0), + + MFP_ADDR_X(TWSI1_SCL, TWSI1_SDA, 0x140), + MFP_ADDR_X(TWSI4_SCL, TWSI4_SDA, 0x2bc), + + MFP_ADDR(PMIC_INT, 0x2c4), + MFP_ADDR(CLK_REQ, 0x160), + + MFP_ADDR_END, +}; + +void mmp2_clear_pmic_int(void) +{ + void __iomem *mfpr_pmic; + unsigned long data; + + mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4; + data = __raw_readl(mfpr_pmic); + __raw_writel(data | (1 << 6), mfpr_pmic); + __raw_writel(data, mfpr_pmic); +} + +void __init mmp2_init_irq(void) +{ + mmp2_init_icu(); +} + +static void sdhc_clk_enable(struct clk *clk) +{ + uint32_t clk_rst; + + clk_rst = __raw_readl(clk->clk_rst); + clk_rst |= clk->enable_val; + __raw_writel(clk_rst, clk->clk_rst); +} + +static void sdhc_clk_disable(struct clk *clk) +{ + uint32_t clk_rst; + + clk_rst = __raw_readl(clk->clk_rst); + clk_rst &= ~clk->enable_val; + __raw_writel(clk_rst, clk->clk_rst); +} + +struct clkops sdhc_clk_ops = { + .enable = sdhc_clk_enable, + .disable = sdhc_clk_disable, +}; + +/* APB peripheral clocks */ +static APBC_CLK(uart1, MMP2_UART1, 1, 26000000); +static APBC_CLK(uart2, MMP2_UART2, 1, 26000000); +static APBC_CLK(uart3, MMP2_UART3, 1, 26000000); +static APBC_CLK(uart4, MMP2_UART4, 1, 26000000); +static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000); +static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000); +static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000); +static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000); +static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000); +static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000); +static APBC_CLK(gpio, MMP2_GPIO, 0, 26000000); + +static APMU_CLK(nand, NAND, 0xbf, 100000000); +static APMU_CLK_OPS(sdh0, SDH0, 0x1b, 200000000, &sdhc_clk_ops); +static APMU_CLK_OPS(sdh1, SDH1, 0x1b, 200000000, &sdhc_clk_ops); +static APMU_CLK_OPS(sdh2, SDH2, 0x1b, 200000000, &sdhc_clk_ops); +static APMU_CLK_OPS(sdh3, SDH3, 0x1b, 200000000, &sdhc_clk_ops); + +static struct clk_lookup mmp2_clkregs[] = { + INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL), + INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL), + INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL), + INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL), + INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL), + INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL), + INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL), + INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL), + INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL), + INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL), + INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), + INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL), + INIT_CLKREG(&clk_sdh0, "sdhci-pxav3.0", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh1, "sdhci-pxav3.1", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh2, "sdhci-pxav3.2", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh3, "sdhci-pxav3.3", "PXA-SDHCLK"), +}; + +static int __init mmp2_init(void) +{ + if (cpu_is_mmp2()) { +#ifdef CONFIG_CACHE_TAUROS2 + tauros2_init(); +#endif + mfp_init_base(MFPR_VIRT_BASE); + mfp_init_addr(mmp2_addr_map); + pxa_init_dma(IRQ_MMP2_DMA_RIQ, 16); + clkdev_add_table(ARRAY_AND_SIZE(mmp2_clkregs)); + } + + return 0; +} +postcore_initcall(mmp2_init); + +static void __init mmp2_timer_init(void) +{ + unsigned long clk_rst; + + __raw_writel(APBC_APBCLK | APBC_RST, APBC_MMP2_TIMERS); + + /* + * enable bus/functional clock, enable 6.5MHz (divider 4), + * release reset + */ + clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1); + __raw_writel(clk_rst, APBC_MMP2_TIMERS); + + timer_init(IRQ_MMP2_TIMER1); +} + +struct sys_timer mmp2_timer = { + .init = mmp2_timer_init, +}; + +/* on-chip devices */ +MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5); +MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21); +MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23); +MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19); +MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70); +MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70); +MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70); +MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70); +MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70); +MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70); +MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29); +MMP2_DEVICE(sdh0, "sdhci-pxav3", 0, MMC, 0xd4280000, 0x120); +MMP2_DEVICE(sdh1, "sdhci-pxav3", 1, MMC2, 0xd4280800, 0x120); +MMP2_DEVICE(sdh2, "sdhci-pxav3", 2, MMC3, 0xd4281000, 0x120); +MMP2_DEVICE(sdh3, "sdhci-pxav3", 3, MMC4, 0xd4281800, 0x120); +MMP2_DEVICE(asram, "asram", -1, NONE, 0xe0000000, 0x4000); +/* 0xd1000000 ~ 0xd101ffff is reserved for secure processor */ +MMP2_DEVICE(isram, "isram", -1, NONE, 0xd1020000, 0x18000); + +struct resource mmp2_resource_gpio[] = { + { + .start = 0xd4019000, + .end = 0xd4019fff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_MMP2_GPIO, + .end = IRQ_MMP2_GPIO, + .name = "gpio_mux", + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mmp2_device_gpio = { + .name = "pxa-gpio", + .id = -1, + .num_resources = ARRAY_SIZE(mmp2_resource_gpio), + .resource = mmp2_resource_gpio, +}; |