diff options
| -rw-r--r-- | src/cpu/samsung/exynos5250/clock_init.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/cpu/samsung/exynos5250/clock_init.c b/src/cpu/samsung/exynos5250/clock_init.c index c94cadfbd4..0989b88bb5 100644 --- a/src/cpu/samsung/exynos5250/clock_init.c +++ b/src/cpu/samsung/exynos5250/clock_init.c @@ -416,7 +416,12 @@ void clock_gate(void) CLK_SPI2_MASK | CLK_SPI0_MASK); - /* CLK_GATE_IP_PERIS */ + /* + * CLK_GATE_IP_PERIS + * Note: Keep CHIPID_APBIF ungated to ensure reading the product ID + * register (PRO_ID) works correctly when the OS kernel determines + * which chip it is running on. + */ clrbits_le32(&clk->gate_ip_peris, CLK_RTC_MASK | CLK_TZPC9_MASK | CLK_TZPC8_MASK | @@ -427,8 +432,7 @@ void clock_gate(void) CLK_TZPC3_MASK | CLK_TZPC2_MASK | CLK_TZPC1_MASK | - CLK_TZPC0_MASK | - CLK_CHIPID_MASK); + CLK_TZPC0_MASK); /* CLK_GATE_BLOCK */ clrbits_le32(&clk->gate_block, CLK_ACP_MASK); |