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ARM: mmp: register audio sram bank

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MMP platform has sram for the audio island;
Add the device structure for the audio sram,
and register the audio sram device at init phase.

Signed-off-by: Leo Yan <leoy@marvell.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Leo Yan 2011-08-15 11:09:53 +08:00 committed by Eric Miao
parent 3c7241bd36
commit 101bf4c196
3 changed files with 13 additions and 0 deletions
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5
arch/arm/mach-mmp/brownstone.c
View File

@ -186,6 +186,10 @@ static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
| PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
};
static struct sram_platdata mmp2_asram_platdata = {
.pool_name = "asram",
.granularity = SRAM_GRANULARITY,
};
static void __init brownstone_init(void)
{
@ -197,6 +201,7 @@ static void __init brownstone_init(void)
mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
mmp2_add_asram(&mmp2_asram_platdata);
/* enable 5v regulator */
platform_device_register(&brownstone_v_5vp_device);

7
arch/arm/mach-mmp/include/mach/mmp2.h
View File

@ -13,6 +13,7 @@ extern void mmp2_clear_pmic_int(void);
#include <linux/i2c.h>
#include <linux/i2c/pxa-i2c.h>
#include <mach/devices.h>
#include <mach/sram.h>
extern struct pxa_device_desc mmp2_device_uart1;
extern struct pxa_device_desc mmp2_device_uart2;
@ -28,6 +29,7 @@ extern struct pxa_device_desc mmp2_device_sdh0;
extern struct pxa_device_desc mmp2_device_sdh1;
extern struct pxa_device_desc mmp2_device_sdh2;
extern struct pxa_device_desc mmp2_device_sdh3;
extern struct pxa_device_desc mmp2_device_asram;
static inline int mmp2_add_uart(int id)
{
@ -85,5 +87,10 @@ static inline int mmp2_add_sdhost(int id, struct sdhci_pxa_platdata *data)
return pxa_register_device(d, data, sizeof(*data));
}
static inline int mmp2_add_asram(struct sram_platdata *data)
{
return pxa_register_device(&mmp2_device_asram, data, sizeof(*data));
}
#endif /* __ASM_MACH_MMP2_H */

1
arch/arm/mach-mmp/mmp2.c
View File

@ -226,4 +226,5 @@ 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);