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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-02-13 13:30:54 +0100
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-02-13 13:30:54 +0100
commitd53ccdb341cf16e32c0ca2d6099b194d9572fe0c (patch)
tree1ef7ca4c54463e02d0da5f6351ac5bebc5418c76 /arch/arm/cpu/armv7
parent7bc5c8c93032a7b86e268a172955e15b84f1aac3 (diff)
parente25bfecf7ba54a5b56cf991af8a2f2bb22994293 (diff)
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Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm/cpu/armv7')
-rw-r--r--arch/arm/cpu/armv7/exynos/clock.c84
-rw-r--r--arch/arm/cpu/armv7/exynos/pinmux.c7
2 files changed, 22 insertions, 69 deletions
diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 5bde9d1..1fea4d6 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -26,7 +26,7 @@ struct clk_bit_info {
};
/* src_bit div_bit prediv_bit */
-static struct clk_bit_info clk_bit_info[PERIPH_ID_COUNT] = {
+static struct clk_bit_info clk_bit_info[] = {
{0, 0, -1},
{4, 4, -1},
{8, 8, -1},
@@ -870,7 +870,6 @@ static void exynos4_set_mmc_clk(int dev_index, unsigned int div)
struct exynos4_clock *clk =
(struct exynos4_clock *)samsung_get_base_clock();
unsigned int addr;
- unsigned int val;
/*
* CLK_DIV_FSYS1
@@ -890,10 +889,8 @@ static void exynos4_set_mmc_clk(int dev_index, unsigned int div)
dev_index -= 2;
}
- val = readl(addr);
- val &= ~(0xff << ((dev_index << 4) + 8));
- val |= (div & 0xff) << ((dev_index << 4) + 8);
- writel(val, addr);
+ clrsetbits_le32(addr, 0xff << ((dev_index << 4) + 8),
+ (div & 0xff) << ((dev_index << 4) + 8));
}
/* exynos4x12: set the mmc clock */
@@ -902,7 +899,6 @@ static void exynos4x12_set_mmc_clk(int dev_index, unsigned int div)
struct exynos4x12_clock *clk =
(struct exynos4x12_clock *)samsung_get_base_clock();
unsigned int addr;
- unsigned int val;
/*
* CLK_DIV_FSYS1
@@ -917,10 +913,8 @@ static void exynos4x12_set_mmc_clk(int dev_index, unsigned int div)
dev_index -= 2;
}
- val = readl(addr);
- val &= ~(0xff << ((dev_index << 4) + 8));
- val |= (div & 0xff) << ((dev_index << 4) + 8);
- writel(val, addr);
+ clrsetbits_le32(addr, 0xff << ((dev_index << 4) + 8),
+ (div & 0xff) << ((dev_index << 4) + 8));
}
/* exynos5: set the mmc clock */
@@ -929,7 +923,6 @@ static void exynos5_set_mmc_clk(int dev_index, unsigned int div)
struct exynos5_clock *clk =
(struct exynos5_clock *)samsung_get_base_clock();
unsigned int addr;
- unsigned int val;
/*
* CLK_DIV_FSYS1
@@ -944,10 +937,8 @@ static void exynos5_set_mmc_clk(int dev_index, unsigned int div)
dev_index -= 2;
}
- val = readl(addr);
- val &= ~(0xff << ((dev_index << 4) + 8));
- val |= (div & 0xff) << ((dev_index << 4) + 8);
- writel(val, addr);
+ clrsetbits_le32(addr, 0xff << ((dev_index << 4) + 8),
+ (div & 0xff) << ((dev_index << 4) + 8));
}
/* exynos5: set the mmc clock */
@@ -956,7 +947,7 @@ static void exynos5420_set_mmc_clk(int dev_index, unsigned int div)
struct exynos5420_clock *clk =
(struct exynos5420_clock *)samsung_get_base_clock();
unsigned int addr;
- unsigned int val, shift;
+ unsigned int shift;
/*
* CLK_DIV_FSYS1
@@ -967,10 +958,7 @@ static void exynos5420_set_mmc_clk(int dev_index, unsigned int div)
addr = (unsigned int)&clk->div_fsys1;
shift = dev_index * 10;
- val = readl(addr);
- val &= ~(0x3ff << shift);
- val |= (div & 0x3ff) << shift;
- writel(val, addr);
+ clrsetbits_le32(addr, 0x3ff << shift, (div & 0x3ff) << shift);
}
/* get_lcd_clk: return lcd clock frequency */
@@ -1061,7 +1049,6 @@ void exynos4_set_lcd_clk(void)
{
struct exynos4_clock *clk =
(struct exynos4_clock *)samsung_get_base_clock();
- unsigned int cfg = 0;
/*
* CLK_GATE_BLOCK
@@ -1073,9 +1060,7 @@ void exynos4_set_lcd_clk(void)
* CLK_LCD1 [5]
* CLK_GPS [7]
*/
- cfg = readl(&clk->gate_block);
- cfg |= 1 << 4;
- writel(cfg, &clk->gate_block);
+ setbits_le32(&clk->gate_block, 1 << 4);
/*
* CLK_SRC_LCD0
@@ -1085,10 +1070,7 @@ void exynos4_set_lcd_clk(void)
* MIPI0_SEL [12:15]
* set lcd0 src clock 0x6: SCLK_MPLL
*/
- cfg = readl(&clk->src_lcd0);
- cfg &= ~(0xf);
- cfg |= 0x6;
- writel(cfg, &clk->src_lcd0);
+ clrsetbits_le32(&clk->src_lcd0, 0xf, 0x6);
/*
* CLK_GATE_IP_LCD0
@@ -1100,9 +1082,7 @@ void exynos4_set_lcd_clk(void)
* CLK_PPMULCD0 [5]
* Gating all clocks for FIMD0
*/
- cfg = readl(&clk->gate_ip_lcd0);
- cfg |= 1 << 0;
- writel(cfg, &clk->gate_ip_lcd0);
+ setbits_le32(&clk->gate_ip_lcd0, 1 << 0);
/*
* CLK_DIV_LCD0
@@ -1114,16 +1094,13 @@ void exynos4_set_lcd_clk(void)
* MIPI0_PRE_RATIO [23:20]
* set fimd ratio
*/
- cfg &= ~(0xf);
- cfg |= 0x1;
- writel(cfg, &clk->div_lcd0);
+ clrsetbits_le32(&clk->div_lcd0, 0xf, 0x1);
}
void exynos5_set_lcd_clk(void)
{
struct exynos5_clock *clk =
(struct exynos5_clock *)samsung_get_base_clock();
- unsigned int cfg = 0;
/*
* CLK_GATE_BLOCK
@@ -1135,9 +1112,7 @@ void exynos5_set_lcd_clk(void)
* CLK_LCD1 [5]
* CLK_GPS [7]
*/
- cfg = readl(&clk->gate_block);
- cfg |= 1 << 4;
- writel(cfg, &clk->gate_block);
+ setbits_le32(&clk->gate_block, 1 << 4);
/*
* CLK_SRC_LCD0
@@ -1147,10 +1122,7 @@ void exynos5_set_lcd_clk(void)
* MIPI0_SEL [12:15]
* set lcd0 src clock 0x6: SCLK_MPLL
*/
- cfg = readl(&clk->src_disp1_0);
- cfg &= ~(0xf);
- cfg |= 0x6;
- writel(cfg, &clk->src_disp1_0);
+ clrsetbits_le32(&clk->src_disp1_0, 0xf, 0x6);
/*
* CLK_GATE_IP_LCD0
@@ -1162,9 +1134,7 @@ void exynos5_set_lcd_clk(void)
* CLK_PPMULCD0 [5]
* Gating all clocks for FIMD0
*/
- cfg = readl(&clk->gate_ip_disp1);
- cfg |= 1 << 0;
- writel(cfg, &clk->gate_ip_disp1);
+ setbits_le32(&clk->gate_ip_disp1, 1 << 0);
/*
* CLK_DIV_LCD0
@@ -1176,16 +1146,13 @@ void exynos5_set_lcd_clk(void)
* MIPI0_PRE_RATIO [23:20]
* set fimd ratio
*/
- cfg &= ~(0xf);
- cfg |= 0x0;
- writel(cfg, &clk->div_disp1_0);
+ clrsetbits_le32(&clk->div_disp1_0, 0xf, 0x0);
}
void exynos4_set_mipi_clk(void)
{
struct exynos4_clock *clk =
(struct exynos4_clock *)samsung_get_base_clock();
- unsigned int cfg = 0;
/*
* CLK_SRC_LCD0
@@ -1195,10 +1162,7 @@ void exynos4_set_mipi_clk(void)
* MIPI0_SEL [12:15]
* set mipi0 src clock 0x6: SCLK_MPLL
*/
- cfg = readl(&clk->src_lcd0);
- cfg &= ~(0xf << 12);
- cfg |= (0x6 << 12);
- writel(cfg, &clk->src_lcd0);
+ clrsetbits_le32(&clk->src_lcd0, 0xf << 12, 0x6 << 12);
/*
* CLK_SRC_MASK_LCD0
@@ -1208,9 +1172,7 @@ void exynos4_set_mipi_clk(void)
* MIPI0_MASK [12]
* set src mask mipi0 0x1: Unmask
*/
- cfg = readl(&clk->src_mask_lcd0);
- cfg |= (0x1 << 12);
- writel(cfg, &clk->src_mask_lcd0);
+ setbits_le32(&clk->src_mask_lcd0, 0x1 << 12);
/*
* CLK_GATE_IP_LCD0
@@ -1222,9 +1184,7 @@ void exynos4_set_mipi_clk(void)
* CLK_PPMULCD0 [5]
* Gating all clocks for MIPI0
*/
- cfg = readl(&clk->gate_ip_lcd0);
- cfg |= 1 << 3;
- writel(cfg, &clk->gate_ip_lcd0);
+ setbits_le32(&clk->gate_ip_lcd0, 1 << 3);
/*
* CLK_DIV_LCD0
@@ -1236,9 +1196,7 @@ void exynos4_set_mipi_clk(void)
* MIPI0_PRE_RATIO [23:20]
* set mipi ratio
*/
- cfg &= ~(0xf << 16);
- cfg |= (0x1 << 16);
- writel(cfg, &clk->div_lcd0);
+ clrsetbits_le32(&clk->div_lcd0, 0xf << 16, 0x1 << 16);
}
/*
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 904177a..645c497 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -751,12 +751,7 @@ static int exynos5_pinmux_decode_periph_id(const void *blob, int node)
if (err)
return PERIPH_ID_NONE;
- /* check for invalid peripheral id */
- if ((PERIPH_ID_SDMMC4 > cell[1]) || (cell[1] < PERIPH_ID_UART0))
- return cell[1];
-
- debug(" invalid peripheral id\n");
- return PERIPH_ID_NONE;
+ return cell[1];
}
int pinmux_decode_periph_id(const void *blob, int node)