From 5a1f21b1e546fafe840944f02949c1a8a8725132 Mon Sep 17 00:00:00 2001 From: Bridge Wu Date: Fri, 21 Dec 2007 19:27:08 +0800 Subject: [PATCH] [ARM] pxa: mmc: add 3rd host controller support for pxa310 This patch is to add the third mmc controller support _only_ for pxa310. On zylonite, the third controller support one slot. Signed-off-by: Bridge Wu Signed-off-by: Russell King --- arch/arm/mach-pxa/devices.c | 39 +++++++++++++++++++++++++++++ arch/arm/mach-pxa/devices.h | 1 + arch/arm/mach-pxa/pxa3xx.c | 1 + arch/arm/mach-pxa/zylonite.c | 4 ++- arch/arm/mach-pxa/zylonite_pxa300.c | 12 +++++++++ include/asm-arm/arch-pxa/mmc.h | 1 + 6 files changed, 57 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index bc04e87ed3..061ec92eb1 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -589,4 +589,43 @@ void __init pxa3xx_set_mci2_info(struct pxamci_platform_data *info) pxa_register_device(&pxa3xx_device_mci2, info); } +static struct resource pxa3xx_resources_mci3[] = { + [0] = { + .start = 0x42500000, + .end = 0x42500fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_MMC3, + .end = IRQ_MMC3, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = 100, + .end = 100, + .flags = IORESOURCE_DMA, + }, + [3] = { + .start = 101, + .end = 101, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa3xx_device_mci3 = { + .name = "pxa2xx-mci", + .id = 2, + .dev = { + .dma_mask = &pxamci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxa3xx_resources_mci3), + .resource = pxa3xx_resources_mci3, +}; + +void __init pxa3xx_set_mci3_info(struct pxamci_platform_data *info) +{ + pxa_register_device(&pxa3xx_device_mci3, info); +} + #endif /* CONFIG_PXA3xx */ diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h index d78068cc80..96c7c89090 100644 --- a/arch/arm/mach-pxa/devices.h +++ b/arch/arm/mach-pxa/devices.h @@ -1,5 +1,6 @@ extern struct platform_device pxa_device_mci; extern struct platform_device pxa3xx_device_mci2; +extern struct platform_device pxa3xx_device_mci3; extern struct platform_device pxa_device_udc; extern struct platform_device pxa_device_fb; extern struct platform_device pxa_device_ffuart; diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 124ad5eb7a..843ba9bf3d 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -197,6 +197,7 @@ static struct clk pxa3xx_clks[] = { PXA3xx_CKEN("MMCCLK", MMC1, 19500000, 0, &pxa_device_mci.dev), PXA3xx_CKEN("MMCCLK", MMC2, 19500000, 0, &pxa3xx_device_mci2.dev), + PXA3xx_CKEN("MMCCLK", MMC3, 19500000, 0, &pxa3xx_device_mci3.dev), }; void __init pxa3xx_init_irq(void) diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c index 33986036f1..b49c69d024 100644 --- a/arch/arm/mach-pxa/zylonite.c +++ b/arch/arm/mach-pxa/zylonite.c @@ -29,7 +29,7 @@ #include "generic.h" -#define MAX_SLOTS 2 +#define MAX_SLOTS 3 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS]; int gpio_backlight; @@ -242,6 +242,8 @@ static void __init zylonite_init_mmc(void) { pxa_set_mci_info(&zylonite_mci_platform_data); pxa3xx_set_mci2_info(&zylonite_mci2_platform_data); + if (cpu_is_pxa310()) + pxa3xx_set_mci3_info(&zylonite_mci_platform_data); } #else static inline void zylonite_init_mmc(void) {} diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c index 38c1ddc6cb..0e159a3024 100644 --- a/arch/arm/mach-pxa/zylonite_pxa300.c +++ b/arch/arm/mach-pxa/zylonite_pxa300.c @@ -133,6 +133,14 @@ static mfp_cfg_t pxa310_mfp_cfg[] __initdata = { /* Ethernet */ GPIO2_nCS3, GPIO102_GPIO, + + /* MMC3 */ + GPIO7_2_MMC3_DAT0, + GPIO8_2_MMC3_DAT1, + GPIO9_2_MMC3_DAT2, + GPIO10_2_MMC3_DAT3, + GPIO103_MMC3_CLK, + GPIO105_MMC3_CMD, }; #define NUM_LCD_DETECT_PINS 7 @@ -205,5 +213,9 @@ void __init zylonite_pxa300_init(void) if (cpu_is_pxa310()) { pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa310_mfp_cfg)); gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO102); + + /* MMC card detect & write protect for controller 2 */ + zylonite_mmc_slot[2].gpio_cd = EXT_GPIO(30); + zylonite_mmc_slot[2].gpio_wp = EXT_GPIO(31); } } diff --git a/include/asm-arm/arch-pxa/mmc.h b/include/asm-arm/arch-pxa/mmc.h index dd30299a3c..6d1304c927 100644 --- a/include/asm-arm/arch-pxa/mmc.h +++ b/include/asm-arm/arch-pxa/mmc.h @@ -18,5 +18,6 @@ struct pxamci_platform_data { extern void pxa_set_mci_info(struct pxamci_platform_data *info); extern void pxa3xx_set_mci2_info(struct pxamci_platform_data *info); +extern void pxa3xx_set_mci3_info(struct pxamci_platform_data *info); #endif -- 2.20.1