sunxi: add MMC support for H6
The Allwinner H6 SoC has 3 MMC controllers like the ones in A64, with
the MMC2 come with the capability to do crypto by EMCE.
Add MMC support for H6. EMCE support is not added yet.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/include/asm/arch-sunxi/mmc.h b/arch/arm/include/asm/arch-sunxi/mmc.h
index 1574b8e..d98c53f 100644
--- a/arch/arm/include/asm/arch-sunxi/mmc.h
+++ b/arch/arm/include/asm/arch-sunxi/mmc.h
@@ -45,7 +45,7 @@
u32 chda; /* 0x90 */
u32 cbda; /* 0x94 */
u32 res2[26];
-#ifdef CONFIG_SUNXI_GEN_SUN6I
+#if defined(CONFIG_SUNXI_GEN_SUN6I) || defined(CONFIG_MACH_SUN50I_H6)
u32 res3[64];
#endif
u32 fifo; /* 0x100 / 0x200 FIFO access address */
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 5ed1b8b..857d5ff 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -443,6 +443,13 @@
sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
sunxi_gpio_set_drv(pin, 2);
}
+#elif defined(CONFIG_MACH_SUN50I_H6)
+ /* SDC2: PC4-PC14 */
+ for (pin = SUNXI_GPC(4); pin <= SUNXI_GPC(14); pin++) {
+ sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
+ sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
+ sunxi_gpio_set_drv(pin, 2);
+ }
#elif defined(CONFIG_MACH_SUN9I)
/* SDC2: PC6-PC16 */
for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(16); pin++) {
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index 7fa1ae8..39f15eb 100644
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -70,10 +70,12 @@
priv->reg = (struct sunxi_mmc *)SUNXI_MMC2_BASE;
priv->mclkreg = &ccm->sd2_clk_cfg;
break;
+#ifdef SUNXI_MMC3_BASE
case 3:
priv->reg = (struct sunxi_mmc *)SUNXI_MMC3_BASE;
priv->mclkreg = &ccm->sd3_clk_cfg;
break;
+#endif
default:
printf("Wrong mmc number %d\n", sdc_no);
return -1;
@@ -116,6 +118,9 @@
#ifdef CONFIG_MACH_SUN9I
pll = CCM_MMC_CTRL_PLL_PERIPH0;
pll_hz = clock_get_pll4_periph0();
+#elif defined(CONFIG_MACH_SUN50I_H6)
+ pll = CCM_MMC_CTRL_PLL6X2;
+ pll_hz = clock_get_pll6() * 2;
#else
pll = CCM_MMC_CTRL_PLL6;
pll_hz = clock_get_pll6();
@@ -494,7 +499,7 @@
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
cfg->host_caps = MMC_MODE_4BIT;
-#if defined(CONFIG_MACH_SUN50I) || defined(CONFIG_MACH_SUN8I)
+#if defined(CONFIG_MACH_SUN50I) || defined(CONFIG_MACH_SUN8I) || defined(CONFIG_MACH_SUN50I_H6)
if (sdc_no == 2)
cfg->host_caps = MMC_MODE_8BIT;
#endif
@@ -509,6 +514,7 @@
/* config ahb clock */
debug("init mmc %d clock and io\n", sdc_no);
+#if !defined(CONFIG_MACH_SUN50I_H6)
setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MMC(sdc_no));
#ifdef CONFIG_SUNXI_GEN_SUN6I
@@ -520,6 +526,11 @@
writel(SUNXI_MMC_COMMON_CLK_GATE | SUNXI_MMC_COMMON_RESET,
SUNXI_MMC_COMMON_BASE + 4 * sdc_no);
#endif
+#else /* CONFIG_MACH_SUN50I_H6 */
+ setbits_le32(&ccm->sd_gate_reset, 1 << sdc_no);
+ /* unassert reset */
+ setbits_le32(&ccm->sd_gate_reset, 1 << (RESET_SHIFT + sdc_no));
+#endif
ret = mmc_set_mod_clk(priv, 24000000);
if (ret)
return NULL;