From: Ajay Bhargav Date: Sun, 13 Nov 2011 23:43:12 +0000 (+0000) Subject: mmc: mv_sdhci: Fix host version read for Armada100 X-Git-Tag: v2011.12-rc1~118^2~1 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=5af9a56999c3c7ec827447d0b957e3e234f5d9a4;p=u-boot mmc: mv_sdhci: Fix host version read for Armada100 sdhci_readw does not work for host version read in Armada100 series SoCs. This patch fix this issue by making a sdhci_readl call to get host version. Signed-off-by: Ajay Bhargav --- diff --git a/drivers/mmc/mv_sdhci.c b/drivers/mmc/mv_sdhci.c index f92caeb8fd..1501974e2f 100644 --- a/drivers/mmc/mv_sdhci.c +++ b/drivers/mmc/mv_sdhci.c @@ -48,7 +48,10 @@ int mv_sdh_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks) mv_ops.write_b = mv_sdhci_writeb; host->ops = &mv_ops; #endif - host->version = sdhci_readw(host, SDHCI_HOST_VERSION); + 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); add_sdhci(host, max_clk, min_clk); return 0; } diff --git a/include/sdhci.h b/include/sdhci.h index 0690938046..800f9d9c07 100644 --- a/include/sdhci.h +++ b/include/sdhci.h @@ -215,6 +215,7 @@ * quirks */ #define SDHCI_QUIRK_32BIT_DMA_ADDR (1 << 0) +#define SDHCI_QUIRK_REG32_RW (1 << 1) /* to make gcc happy */ struct sdhci_host;