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[ARM] pxa: mmc: add 2nd host controller support for pxa3xx 

This patch is to add the second mmc controller support for pxa3xx.
It's valid for pxa3[0|1|2]0.

On zylonite, the second controller has no slot.

Signed-off-by: Bridge Wu <bridge.wu@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Bridge Wu 2007-12-21 19:15:36 +08:00 committed by Russell King
parent fafc9d3fa3
commit 8d33b05581
7 changed files with 65 additions and 0 deletions
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40
arch/arm/mach-pxa/devices.c
View File

@ -549,4 +549,44 @@ struct platform_device pxa3xx_device_ssp4 = {
.resource = pxa3xx_resource_ssp4,
.num_resources = ARRAY_SIZE(pxa3xx_resource_ssp4),
};
static struct resource pxa3xx_resources_mci2[] = {
[0] = {
.start = 0x42000000,
.end = 0x42000fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_MMC2,
.end = IRQ_MMC2,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = 93,
.end = 93,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = 94,
.end = 94,
.flags = IORESOURCE_DMA,
},
};
struct platform_device pxa3xx_device_mci2 = {
.name = "pxa2xx-mci",
.id = 1,
.dev = {
.dma_mask = &pxamci_dmamask,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(pxa3xx_resources_mci2),
.resource = pxa3xx_resources_mci2,
};
void __init pxa3xx_set_mci2_info(struct pxamci_platform_data *info)
{
pxa_register_device(&pxa3xx_device_mci2, info);
}
#endif /* CONFIG_PXA3xx */

1
arch/arm/mach-pxa/devices.h
View File

@ -1,4 +1,5 @@
extern struct platform_device pxa_device_mci;
extern struct platform_device pxa3xx_device_mci2;
extern struct platform_device pxa_device_udc;
extern struct platform_device pxa_device_fb;
extern struct platform_device pxa_device_ffuart;

1
arch/arm/mach-pxa/pxa3xx.c
View File

@ -196,6 +196,7 @@ static struct clk pxa3xx_clks[] = {
PXA3xx_CKEN("SSPCLK", SSP4, 13000000, 0, &pxa3xx_device_ssp4.dev),
PXA3xx_CKEN("MMCCLK", MMC1, 19500000, 0, &pxa_device_mci.dev),
PXA3xx_CKEN("MMCCLK", MMC2, 19500000, 0, &pxa3xx_device_mci2.dev),
};
void __init pxa3xx_init_irq(void)

6
arch/arm/mach-pxa/zylonite.c
View File

@ -233,9 +233,15 @@ static struct pxamci_platform_data zylonite_mci_platform_data = {
.get_ro = zylonite_mci_ro,
};
static struct pxamci_platform_data zylonite_mci2_platform_data = {
.detect_delay = 20,
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
};
static void __init zylonite_init_mmc(void)
{
pxa_set_mci_info(&zylonite_mci_platform_data);
pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
}
#else
static inline void zylonite_init_mmc(void) {}

8
arch/arm/mach-pxa/zylonite_pxa300.c
View File

@ -97,6 +97,14 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = {
GPIO7_MMC1_CLK,
GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
GPIO15_GPIO, /* CMD1 default as GPIO for slot 0 */
/* MMC2 */
GPIO9_MMC2_DAT0,
GPIO10_MMC2_DAT1,
GPIO11_MMC2_DAT2,
GPIO12_MMC2_DAT3,
GPIO13_MMC2_CLK,
GPIO14_MMC2_CMD,
};
static mfp_cfg_t pxa300_mfp_cfg[] __initdata = {

8
arch/arm/mach-pxa/zylonite_pxa320.c
View File

@ -104,6 +104,14 @@ static mfp_cfg_t mfp_cfg[] __initdata = {
GPIO22_MMC1_CLK,
GPIO23_MMC1_CMD,/* CMD0 for slot 0 */
GPIO31_GPIO, /* CMD1 default as GPIO for slot 0 */
/* MMC2 */
GPIO24_MMC2_DAT0,
GPIO25_MMC2_DAT1,
GPIO26_MMC2_DAT2,
GPIO27_MMC2_DAT3,
GPIO28_MMC2_CLK,
GPIO29_MMC2_CMD,
};
#define NUM_LCD_DETECT_PINS 7

1
include/asm-arm/arch-pxa/mmc.h
View File

@ -17,5 +17,6 @@ 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);
#endif