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authorTom Rini <trini@konsulko.com>2017-09-01 10:31:07 -0400
committerTom Rini <trini@konsulko.com>2017-09-01 10:31:07 -0400
commit9ec61dbc801761374466e0c8393faaa1e7705520 (patch)
treeecb6684d9db3e87955e042b86abea193ab71878c /drivers
parentc92ccdd4dc379df8ef84442a33b816c13be59f48 (diff)
parent8a647fc3ca2a93e2b6c965999ac2e0316191a755 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-sunxi
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/Kconfig4
-rw-r--r--drivers/mmc/sunxi_mmc.c29
2 files changed, 29 insertions, 4 deletions
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 56c352e72a..6de927b8c6 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -369,6 +369,10 @@ config MMC_SUNXI
This selects support for the SD/MMC Host Controller on
Allwinner sunxi SoCs.
+config MMC_SUNXI_HAS_NEW_MODE
+ bool
+ depends on MMC_SUNXI
+
config GENERIC_ATMEL_MCI
bool "Atmel Multimedia Card Interface support"
depends on DM_MMC && BLK && ARCH_AT91
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index 588574fab6..4edb4be46c 100644
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -96,6 +96,18 @@ static int mmc_resource_init(int sdc_no)
static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz)
{
unsigned int pll, pll_hz, div, n, oclk_dly, sclk_dly;
+ bool new_mode = false;
+ u32 val = 0;
+
+ if (IS_ENABLED(CONFIG_MMC_SUNXI_HAS_NEW_MODE) && (priv->mmc_no == 2))
+ new_mode = true;
+
+ /*
+ * The MMC clock has an extra /2 post-divider when operating in the new
+ * mode.
+ */
+ if (new_mode)
+ hz = hz * 2;
if (hz <= 24000000) {
pll = CCM_MMC_CTRL_OSCM24;
@@ -152,9 +164,18 @@ static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz)
#endif
}
- writel(CCM_MMC_CTRL_ENABLE | pll | CCM_MMC_CTRL_SCLK_DLY(sclk_dly) |
- CCM_MMC_CTRL_N(n) | CCM_MMC_CTRL_OCLK_DLY(oclk_dly) |
- CCM_MMC_CTRL_M(div), priv->mclkreg);
+ if (new_mode) {
+#ifdef CONFIG_MMC_SUNXI_HAS_NEW_MODE
+ val = CCM_MMC_CTRL_MODE_SEL_NEW;
+ setbits_le32(&priv->reg->ntsr, SUNXI_MMC_NTSR_MODE_SEL_NEW);
+#endif
+ } else {
+ val = CCM_MMC_CTRL_OCLK_DLY(oclk_dly) |
+ CCM_MMC_CTRL_SCLK_DLY(sclk_dly);
+ }
+
+ writel(CCM_MMC_CTRL_ENABLE| pll | CCM_MMC_CTRL_N(n) |
+ CCM_MMC_CTRL_M(div) | val, priv->mclkreg);
debug("mmc %u set mod-clk req %u parent %u n %u m %u rate %u\n",
priv->mmc_no, hz, pll_hz, 1u << n, div, pll_hz / (1u << n) / div);
@@ -498,7 +519,7 @@ struct mmc *sunxi_mmc_init(int sdc_no)
if (ret)
return NULL;
- return mmc_create(cfg, mmc_host);
+ return mmc_create(cfg, priv);
}
#else