diff options
Diffstat (limited to 'arch/arm/include/asm/arch-tegra/clock.h')
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/clock.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h index e7d0fd45ee..9d8114c4ec 100644 --- a/arch/arm/include/asm/arch-tegra/clock.h +++ b/arch/arm/include/asm/arch-tegra/clock.h @@ -20,6 +20,21 @@ 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, + MASK_BITS_31_29, + MASK_BITS_31_28, +}; + #include <asm/arch/clock-tables.h> /* PLL stabilization delay in usec */ #define CLOCK_PLL_STABLE_DELAY_US 300 @@ -305,4 +320,6 @@ int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon); /* SoC-specific TSC init */ void arch_timer_init(void); +void tegra30_set_up_pllp(void); + #endif /* _TEGRA_CLOCK_H_ */ |