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 --- arch/arm/include/asm/arch-sunxi/mmc.h | 2 +- board/sunxi/board.c | 7 +++++++ drivers/mmc/sunxi_mmc.c | 13 ++++++++++++- 3 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/arch/arm/include/asm/arch-sunxi/mmc.h b/arch/arm/include/asm/arch-sunxi/mmc.h index 69f737f3bf..4fce9218ff 100644 --- a/arch/arm/include/asm/arch-sunxi/mmc.h +++ b/arch/arm/include/asm/arch-sunxi/mmc.h @@ -46,7 +46,7 @@ struct sunxi_mmc { 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 a5789090c0..4853fe7e00 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -444,6 +444,13 @@ static void mmc_pinmux_setup(int sdc) 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 5292f2d3cc..2f6e9058d1 100644 --- a/drivers/mmc/sunxi_mmc.c +++ b/drivers/mmc/sunxi_mmc.c @@ -71,10 +71,12 @@ static int mmc_resource_init(int sdc_no) 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; @@ -117,6 +119,9 @@ static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz) #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(); @@ -495,7 +500,7 @@ struct mmc *sunxi_mmc_init(int sdc_no)
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 @@ -510,6 +515,7 @@ struct mmc *sunxi_mmc_init(int sdc_no)
/* 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 @@ struct mmc *sunxi_mmc_init(int sdc_no) /* sun9i has a mmc-common module, also set the gate and reset there */ 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)