mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-25 13:14:19 +08:00
a68aac4947
If failed the add_host(), it is reasonable that return value of add_sdhci(). Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
#include <common.h>
|
|
#include <malloc.h>
|
|
#include <sdhci.h>
|
|
|
|
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
|
|
static struct sdhci_ops mv_ops;
|
|
|
|
#if defined(CONFIG_SHEEVA_88SV331xV5)
|
|
#define SD_CE_ATA_2 0xEA
|
|
#define MMC_CARD 0x1000
|
|
#define MMC_WIDTH 0x0100
|
|
static inline void mv_sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
|
|
{
|
|
struct mmc *mmc = host->mmc;
|
|
u32 ata = (u32)host->ioaddr + SD_CE_ATA_2;
|
|
|
|
if (!IS_SD(mmc) && reg == SDHCI_HOST_CONTROL) {
|
|
if (mmc->bus_width == 8)
|
|
writew(readw(ata) | (MMC_CARD | MMC_WIDTH), ata);
|
|
else
|
|
writew(readw(ata) & ~(MMC_CARD | MMC_WIDTH), ata);
|
|
}
|
|
|
|
writeb(val, host->ioaddr + reg);
|
|
}
|
|
|
|
#else
|
|
#define mv_sdhci_writeb NULL
|
|
#endif /* CONFIG_SHEEVA_88SV331xV5 */
|
|
#endif /* CONFIG_MMC_SDHCI_IO_ACCESSORS */
|
|
|
|
static char *MVSDH_NAME = "mv_sdh";
|
|
int mv_sdh_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks)
|
|
{
|
|
struct sdhci_host *host = NULL;
|
|
host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
|
|
if (!host) {
|
|
printf("sdh_host malloc fail!\n");
|
|
return 1;
|
|
}
|
|
|
|
host->name = MVSDH_NAME;
|
|
host->ioaddr = (void *)regbase;
|
|
host->quirks = quirks;
|
|
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
|
|
memset(&mv_ops, 0, sizeof(struct sdhci_ops));
|
|
mv_ops.write_b = mv_sdhci_writeb;
|
|
host->ops = &mv_ops;
|
|
#endif
|
|
if (quirks & SDHCI_QUIRK_REG32_RW)
|
|
host->version = sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16;
|
|
else
|
|
host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
|
|
return add_sdhci(host, max_clk, min_clk);
|
|
}
|