diff options
Diffstat (limited to 'arch/arm/cpu/armv7/tegra2/clock.c')
| -rw-r--r-- | arch/arm/cpu/armv7/tegra2/clock.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/tegra2/clock.c b/arch/arm/cpu/armv7/tegra2/clock.c index 6af7010993a..a33b0d9da63 100644 --- a/arch/arm/cpu/armv7/tegra2/clock.c +++ b/arch/arm/cpu/armv7/tegra2/clock.c @@ -879,6 +879,17 @@ static int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon) return 0; } +int check_is_tegra2_cold_boot(void) +{ + u32 base_reg; + struct clk_pll *pll; + + pll = get_pll(CLOCK_ID_PERIPH); + base_reg = readl(&pll->pll_base); + + return (base_reg & bf_mask(PLL_BASE_OVRRIDE)) ? 0 : 1; +} + void common_pll_init(void) { /* |