/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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(0); #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, };