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authorDavid Hendricks <dhendrix@chromium.org>2013-06-15 19:22:06 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-07-10 21:50:23 +0200
commiteb9517cce9dfdc042ca1a9a2d7f6dd14d6d4fafc (patch)
tree35a8c86a5679cf0688fc2d84ac7ae4788f22f342 /src/cpu
parentff7c8e82d10a48f7d123755b33bef9ffbf01d90d (diff)
exynos5420: add I2C8-10 to clock_get_periph_rate()
This adds entries for I2C8-10 to giant switch statement in clock_get_periph_rate(). It also eliminates the I2C peripheral's usage of clk_bit_info since it's confusing and error-prone. Change-Id: I30dfc4c9a03fbf16d08e44e074189fb9021edb6d Signed-off-by: David Hendricks <dhendrix@chromium.org> Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3676 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/samsung/exynos5420/clock.c16
-rw-r--r--src/cpu/samsung/exynos5420/periph.h3
2 files changed, 9 insertions, 10 deletions
diff --git a/src/cpu/samsung/exynos5420/clock.c b/src/cpu/samsung/exynos5420/clock.c
index 1df4abad6c..8799149627 100644
--- a/src/cpu/samsung/exynos5420/clock.c
+++ b/src/cpu/samsung/exynos5420/clock.c
@@ -47,14 +47,7 @@ static struct clk_bit_info clk_bit_info[PERIPH_ID_COUNT] = {
{4, 12, 16},
{-1, -1, -1},
{-1, -1, -1},
- {-1, 24, 0},
- {-1, 24, 0},
- {-1, 24, 0},
- {-1, 24, 0},
- {-1, 24, 0},
- {-1, 24, 0},
- {-1, 24, 0},
- {-1, 24, 0},
+ [PERIPH_ID_DPHPD]
{24, 0, -1},
{24, 0, -1},
{24, 0, -1},
@@ -200,9 +193,12 @@ unsigned long clock_get_periph_rate(enum periph_id peripheral)
case PERIPH_ID_I2C5:
case PERIPH_ID_I2C6:
case PERIPH_ID_I2C7:
+ case PERIPH_ID_I2C8:
+ case PERIPH_ID_I2C9:
+ case PERIPH_ID_I2C10:
sclk = get_pll_clk(MPLL);
- sub_div = ((readl(&clk->div_top1) >> bit_info->div_bit) & 0x7) + 1;
- div = ((readl(&clk->div_top0) >> bit_info->prediv_bit) & 0x7) + 1;
+ sub_div = ((readl(&clk->div_top1) >> 24) & 0x7) + 1;
+ div = (readl(&clk->div_top0) & 0x7) + 1;
return (sclk / sub_div) / div;
default:
printk(BIOS_DEBUG, "%s: invalid peripheral %d", __func__, peripheral);
diff --git a/src/cpu/samsung/exynos5420/periph.h b/src/cpu/samsung/exynos5420/periph.h
index 39816624c2..94f150e6dd 100644
--- a/src/cpu/samsung/exynos5420/periph.h
+++ b/src/cpu/samsung/exynos5420/periph.h
@@ -53,6 +53,9 @@ enum periph_id {
PERIPH_ID_I2C5,
PERIPH_ID_I2C6,
PERIPH_ID_I2C7,
+ PERIPH_ID_I2C8,
+ PERIPH_ID_I2C9,
+ PERIPH_ID_I2C10,
PERIPH_ID_DPHPD, /* eDP hot plug detect */
PERIPH_ID_PWM0,
PERIPH_ID_PWM1,