diff options
| -rw-r--r-- | arch/arm/cpu/tegra114-common/clock.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra30-common/clock.c | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/clock.h | 11 |
3 files changed, 12 insertions, 3 deletions
diff --git a/arch/arm/cpu/tegra114-common/clock.c b/arch/arm/cpu/tegra114-common/clock.c index 47612e12d2..3bede71a7a 100644 --- a/arch/arm/cpu/tegra114-common/clock.c +++ b/arch/arm/cpu/tegra114-common/clock.c @@ -103,7 +103,7 @@ static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = { MASK_BITS_31_29}, { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC), CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), - MASK_BITS_29_28} + MASK_BITS_31_28} }; /* diff --git a/arch/arm/cpu/tegra30-common/clock.c b/arch/arm/cpu/tegra30-common/clock.c index 89c3529c88..3352870218 100644 --- a/arch/arm/cpu/tegra30-common/clock.c +++ b/arch/arm/cpu/tegra30-common/clock.c @@ -102,7 +102,7 @@ static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = { MASK_BITS_31_29}, { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC), CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), - MASK_BITS_29_28} + MASK_BITS_31_28} }; /* diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h index 052c0208b1..80825e30f8 100644 --- a/arch/arm/include/asm/arch-tegra/clock.h +++ b/arch/arm/include/asm/arch-tegra/clock.h @@ -20,10 +20,19 @@ enum clock_osc_freq { CLOCK_OSC_FREQ_COUNT, }; +/* + * Note that no Tegra clock register actually uses all of bits 31:28 as + * the mux field. Rather, bits 30:28, 29:28, or 28 are used. However, in + * those cases, nothing is stored in the bits about the mux field, so it's + * safe to pretend that the mux field extends all the way to the end of the + * register. As such, the U-Boot clock driver is currently a bit lazy, and + * doesn't distinguish between 31:28, 30:28, 29:28 and 28; it just lumps + * them all together and pretends they're all 31:28. + */ enum { MASK_BITS_31_30 = 2, /* num of bits used to specify clock source */ MASK_BITS_31_29, - MASK_BITS_29_28, + MASK_BITS_31_28, }; #include <asm/arch/clock-tables.h> |
