From: Lukasz Majewski l.majewski@samsung.com
Disable some legacy code to let it work on ARM64 based Exynos SoCs.
Signed-off-by: Lukasz Majewski l.majewski@samsung.com [extracted from old sources and adapted to mainline u-boot, minor fixes] Signed-off-by: Marek Szyprowski m.szyprowski@samsung.com --- drivers/mmc/exynos_dw_mmc.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c index 3e9d47538c..c7ba3b6060 100644 --- a/drivers/mmc/exynos_dw_mmc.c +++ b/drivers/mmc/exynos_dw_mmc.c @@ -143,6 +143,7 @@ static struct dwmci_host dwmci_host[DWMMC_MAX_CH_NUM];
static int do_dwmci_init(struct dwmci_host *host) { +#ifdef CONFIG_CPU_V7A int flag, err;
flag = host->buswidth == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE; @@ -151,6 +152,7 @@ static int do_dwmci_init(struct dwmci_host *host) printf("DWMMC%d not configure\n", host->dev_index); return err; } +#endif
return exynos_dwmci_core_init(host); } @@ -160,10 +162,15 @@ static int exynos_dwmci_get_config(const void *blob, int node, struct dwmci_exynos_priv_data *priv) { int err = 0; - u32 base, timing[3]; + dma_addr_t base; + u32 timing[3];
+#ifdef CONFIG_CPU_V7A /* Extract device id for each mmc channel */ host->dev_id = pinmux_decode_periph_id(blob, node); +#else + host->dev_id = 0; +#endif
host->dev_index = fdtdec_get_int(blob, node, "index", host->dev_id); if (host->dev_index == host->dev_id) @@ -247,19 +254,20 @@ static int exynos_dwmci_process_node(const void *blob, int exynos_dwmmc_init(const void *blob) { int node_list[DWMMC_MAX_CH_NUM]; - int boot_dev_node; int err = 0, count;
count = fdtdec_find_aliases_for_id(blob, "mmc", COMPAT_SAMSUNG_EXYNOS_DWMMC, node_list, DWMMC_MAX_CH_NUM);
+#ifdef CONFIG_CPU_V7A /* For DWMMC always set boot device as mmc 0 */ if (count >= 3 && get_boot_mode() == BOOT_MODE_SD) { - boot_dev_node = node_list[2]; + int boot_dev_node = node_list[2]; node_list[2] = node_list[0]; node_list[0] = boot_dev_node; } +#endif
err = exynos_dwmci_process_node(blob, node_list, count);