blob: 1501974e2f575eb2784dec176335e4b84db2c2bc [file] [log] [blame]
Lei Wene75787d2011-06-28 21:50:07 +00001#include <common.h>
2#include <malloc.h>
3#include <sdhci.h>
4
Lei Wen02d3ad32011-10-03 20:33:44 +00005#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
6static 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
12static 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
Lei Wene75787d2011-06-28 21:50:07 +000032static char *MVSDH_NAME = "mv_sdh";
33int 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;
Lei Wen02d3ad32011-10-03 20:33:44 +000045#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
46 memset(&mv_ops, 0, sizeof(struct sdhci_ops));
47 if (mv_sdhci_writeb != NULL)
48 mv_ops.write_b = mv_sdhci_writeb;
49 host->ops = &mv_ops;
50#endif
Ajay Bhargav5af9a562011-11-13 23:43:12 +000051 if (quirks & SDHCI_QUIRK_REG32_RW)
52 host->version = sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16;
53 else
54 host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
Lei Wene75787d2011-06-28 21:50:07 +000055 add_sdhci(host, max_clk, min_clk);
56 return 0;
57}