diff options
Diffstat (limited to 'drivers/mmc/tegra_mmc.c')
| -rw-r--r-- | drivers/mmc/tegra_mmc.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/mmc/tegra_mmc.c b/drivers/mmc/tegra_mmc.c index 573819a..c9d9432 100644 --- a/drivers/mmc/tegra_mmc.c +++ b/drivers/mmc/tegra_mmc.c @@ -11,8 +11,10 @@ #include <common.h> #include <asm/gpio.h> #include <asm/io.h> +#ifndef CONFIG_TEGRA186 #include <asm/arch/clock.h> #include <asm/arch-tegra/clk_rst.h> +#endif #include <asm/arch-tegra/mmc.h> #include <asm/arch-tegra/tegra_mmc.h> #include <mmc.h> @@ -357,8 +359,12 @@ static void mmc_change_clock(struct mmc_host *host, uint clock) */ if (clock == 0) goto out; +#ifndef CONFIG_TEGRA186 clock_adjust_periph_pll_div(host->mmc_id, CLOCK_ID_PERIPH, clock, &div); +#else + div = (20000000 + clock - 1) / clock; +#endif debug("div = %d\n", div); writew(0, &host->reg->clkcon); @@ -543,7 +549,9 @@ static int do_mmc_init(int dev_index, bool removable) gpio_get_number(&host->cd_gpio)); host->clock = 0; +#ifndef CONFIG_TEGRA186 clock_start_periph_pll(host->mmc_id, CLOCK_ID_PERIPH, 20000000); +#endif if (dm_gpio_is_valid(&host->pwr_gpio)) dm_gpio_set_value(&host->pwr_gpio, 1); @@ -568,7 +576,11 @@ static int do_mmc_init(int dev_index, bool removable) * (actually 52MHz) */ host->cfg.f_min = 375000; +#ifndef CONFIG_TEGRA186 host->cfg.f_max = 48000000; +#else + host->cfg.f_max = 375000; +#endif host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; @@ -600,11 +612,13 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host, return -FDT_ERR_NOTFOUND; } +#ifndef CONFIG_TEGRA186 host->mmc_id = clock_decode_periph_id(blob, node); if (host->mmc_id == PERIPH_ID_NONE) { debug("%s: could not decode periph id\n", __func__); return -FDT_ERR_NOTFOUND; } +#endif /* * NOTE: mmc->bus_width is determined by mmc.c dynamically. @@ -624,7 +638,13 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host, *removablep = !fdtdec_get_bool(blob, node, "non-removable"); debug("%s: found controller at %p, width = %d, periph_id = %d\n", - __func__, host->reg, host->width, host->mmc_id); + __func__, host->reg, host->width, +#ifndef CONFIG_TEGRA186 + host->mmc_id +#else + -1 +#endif + ); return 0; } @@ -668,6 +688,16 @@ void tegra_mmc_init(void) const void *blob = gd->fdt_blob; debug("%s entry\n", __func__); + /* See if any Tegra186 MMC controllers are present */ + count = fdtdec_find_aliases_for_id(blob, "sdhci", + COMPAT_NVIDIA_TEGRA186_SDMMC, node_list, + CONFIG_SYS_MMC_MAX_DEVICE); + debug("%s: count of Tegra186 sdhci nodes is %d\n", __func__, count); + if (process_nodes(blob, node_list, count)) { + printf("%s: Error processing T186 mmc node(s)!\n", __func__); + return; + } + /* See if any Tegra210 MMC controllers are present */ count = fdtdec_find_aliases_for_id(blob, "sdhci", COMPAT_NVIDIA_TEGRA210_SDMMC, node_list, |