diff options
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/aspeed/clk_ast2500.c | 26 | ||||
-rw-r--r-- | drivers/clk/aspeed/clk_ast2600.c | 8 |
2 files changed, 30 insertions, 4 deletions
diff --git a/drivers/clk/aspeed/clk_ast2500.c b/drivers/clk/aspeed/clk_ast2500.c index a1b4496ca2..623c6915b8 100644 --- a/drivers/clk/aspeed/clk_ast2500.c +++ b/drivers/clk/aspeed/clk_ast2500.c @@ -12,6 +12,7 @@ #include <asm/arch/scu_ast2500.h> #include <dm/lists.h> #include <dt-bindings/clock/aspeed-clock.h> +#include <dt-bindings/reset/ast2500-reset.h> #include <linux/delay.h> #include <linux/err.h> @@ -173,6 +174,7 @@ static ulong ast2500_clk_get_rate(struct clk *clk) rate = ast2500_get_uart_clk_rate(priv->scu, 5); break; default: + debug("%s: unknown clk %ld\n", __func__, clk->id); return -ENOENT; } @@ -425,6 +427,25 @@ static ulong ast2500_configure_d2pll(struct ast2500_scu *scu, ulong rate) return new_rate; } +#define SCU_CLKSTOP_SDIO 27 +static ulong ast2500_enable_sdclk(struct ast2500_scu *scu) +{ + u32 reset_bit; + u32 clkstop_bit; + + reset_bit = BIT(ASPEED_RESET_SDIO); + clkstop_bit = BIT(SCU_CLKSTOP_SDIO); + + setbits_le32(&scu->sysreset_ctrl1, reset_bit); + udelay(100); + //enable clk + clrbits_le32(&scu->clk_stop_ctrl1, clkstop_bit); + mdelay(10); + clrbits_le32(&scu->sysreset_ctrl1, reset_bit); + + return 0; +} + static ulong ast2500_clk_set_rate(struct clk *clk, ulong rate) { struct ast2500_clk_priv *priv = dev_get_priv(clk->dev); @@ -438,6 +459,7 @@ static ulong ast2500_clk_set_rate(struct clk *clk, ulong rate) new_rate = ast2500_configure_d2pll(priv->scu, rate); break; default: + debug("%s: unknown clk %ld\n", __func__, clk->id); return -ENOENT; } @@ -479,7 +501,11 @@ static int ast2500_clk_enable(struct clk *clk) case ASPEED_CLK_D2PLL: ast2500_configure_d2pll(priv->scu, D2PLL_DEFAULT_RATE); break; + case ASPEED_CLK_GATE_SDCLK: + ast2500_enable_sdclk(priv->scu); + break; default: + debug("%s: unknown clk %ld\n", __func__, clk->id); return -ENOENT; } diff --git a/drivers/clk/aspeed/clk_ast2600.c b/drivers/clk/aspeed/clk_ast2600.c index f191b0f317..0df1dc3718 100644 --- a/drivers/clk/aspeed/clk_ast2600.c +++ b/drivers/clk/aspeed/clk_ast2600.c @@ -471,7 +471,7 @@ static ulong ast2600_clk_get_rate(struct clk *clk) rate = ast2600_get_uart_huxclk_rate(priv->scu); break; default: - debug("can't get clk rate\n"); + debug("%s: unknown clk %ld\n", __func__, clk->id); return -ENOENT; } @@ -1073,13 +1073,13 @@ static int ast2600_clk_enable(struct clk *clk) case ASPEED_CLK_GATE_SDCLK: ast2600_enable_sdclk(priv->scu); break; - case ASPEED_CLK_GATE_SDEXTCLK: + case ASPEED_CLK_SDIO: ast2600_enable_extsdclk(priv->scu); break; case ASPEED_CLK_GATE_EMMCCLK: ast2600_enable_emmcclk(priv->scu); break; - case ASPEED_CLK_GATE_EMMCEXTCLK: + case ASPEED_CLK_EMMC: ast2600_enable_extemmcclk(priv->scu); break; case ASPEED_CLK_GATE_FSICLK: @@ -1098,7 +1098,7 @@ static int ast2600_clk_enable(struct clk *clk) ast2600_enable_rsaclk(priv->scu); break; default: - pr_err("can't enable clk\n"); + debug("%s: unknown clk %ld\n", __func__, clk->id); return -ENOENT; } |