upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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55 lines
1.4 KiB
55 lines
1.4 KiB
#include <common.h>
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#include <malloc.h>
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#include <sdhci.h>
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#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
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static struct sdhci_ops mv_ops;
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#if defined(CONFIG_SHEEVA_88SV331xV5)
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#define SD_CE_ATA_2 0xEA
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#define MMC_CARD 0x1000
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#define MMC_WIDTH 0x0100
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static inline void mv_sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
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{
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struct mmc *mmc = host->mmc;
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u32 ata = (unsigned long)host->ioaddr + SD_CE_ATA_2;
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if (!IS_SD(mmc) && reg == SDHCI_HOST_CONTROL) {
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if (mmc->bus_width == 8)
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writew(readw(ata) | (MMC_CARD | MMC_WIDTH), ata);
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else
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writew(readw(ata) & ~(MMC_CARD | MMC_WIDTH), ata);
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}
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writeb(val, host->ioaddr + reg);
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}
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#else
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#define mv_sdhci_writeb NULL
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#endif /* CONFIG_SHEEVA_88SV331xV5 */
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#endif /* CONFIG_MMC_SDHCI_IO_ACCESSORS */
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static char *MVSDH_NAME = "mv_sdh";
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int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks)
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{
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struct sdhci_host *host = NULL;
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host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
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if (!host) {
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printf("sdh_host malloc fail!\n");
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return 1;
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}
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host->name = MVSDH_NAME;
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host->ioaddr = (void *)regbase;
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host->quirks = quirks;
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#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
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memset(&mv_ops, 0, sizeof(struct sdhci_ops));
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mv_ops.write_b = mv_sdhci_writeb;
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host->ops = &mv_ops;
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#endif
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if (quirks & SDHCI_QUIRK_REG32_RW)
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host->version = sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16;
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else
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host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
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return add_sdhci(host, max_clk, min_clk);
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}
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