1 #include <common.h> 2 #include <malloc.h> 3 #include <sdhci.h> 4 5 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS 6 static struct sdhci_ops mv_ops; 7 8 #if defined(CONFIG_SHEEVA_88SV331xV5) 9 #define SD_CE_ATA_2 0xEA 10 #define MMC_CARD 0x1000 11 #define MMC_WIDTH 0x0100 12 static inline void mv_sdhci_writeb(struct sdhci_host *host, u8 val, int reg) 13 { 14 struct mmc *mmc = host->mmc; 15 u32 ata = (u32)host->ioaddr + SD_CE_ATA_2; 16 17 if (!IS_SD(mmc) && reg == SDHCI_HOST_CONTROL) { 18 if (mmc->bus_width == 8) 19 writew(readw(ata) | (MMC_CARD | MMC_WIDTH), ata); 20 else 21 writew(readw(ata) & ~(MMC_CARD | MMC_WIDTH), ata); 22 } 23 24 writeb(val, host->ioaddr + reg); 25 } 26 27 #else 28 #define mv_sdhci_writeb NULL 29 #endif /* CONFIG_SHEEVA_88SV331xV5 */ 30 #endif /* CONFIG_MMC_SDHCI_IO_ACCESSORS */ 31 32 static char *MVSDH_NAME = "mv_sdh"; 33 int mv_sdh_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks) 34 { 35 struct sdhci_host *host = NULL; 36 host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host)); 37 if (!host) { 38 printf("sdh_host malloc fail!\n"); 39 return 1; 40 } 41 42 host->name = MVSDH_NAME; 43 host->ioaddr = (void *)regbase; 44 host->quirks = quirks; 45 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS 46 memset(&mv_ops, 0, sizeof(struct sdhci_ops)); 47 mv_ops.write_b = mv_sdhci_writeb; 48 host->ops = &mv_ops; 49 #endif 50 if (quirks & SDHCI_QUIRK_REG32_RW) 51 host->version = sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16; 52 else 53 host->version = sdhci_readw(host, SDHCI_HOST_VERSION); 54 return add_sdhci(host, max_clk, min_clk); 55 } 56