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[ARM] pxa: mmc: add 3rd host controller support for pxa310

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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 <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 19:27:08 +08:00 committed by Russell King
parent 8d33b05581
commit 5a1f21b1e5
6 changed files with 57 additions and 1 deletions
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39
arch/arm/mach-pxa/devices.c
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@ -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 */

1
arch/arm/mach-pxa/devices.h
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@ -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;

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

@ -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)

4
arch/arm/mach-pxa/zylonite.c
View File

@ -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) {}

12
arch/arm/mach-pxa/zylonite_pxa300.c
View File

@ -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);
}
}

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

@ -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