diff options
Diffstat (limited to 'arch/arm/mach-keystone')
| -rw-r--r-- | arch/arm/mach-keystone/include/mach/clock-k2g.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-keystone/include/mach/hardware-k2g.h | 21 |
2 files changed, 23 insertions, 2 deletions
diff --git a/arch/arm/mach-keystone/include/mach/clock-k2g.h b/arch/arm/mach-keystone/include/mach/clock-k2g.h index 74de620..374f0d9 100644 --- a/arch/arm/mach-keystone/include/mach/clock-k2g.h +++ b/arch/arm/mach-keystone/include/mach/clock-k2g.h @@ -12,8 +12,8 @@ #define PLLSET_CMD_LIST "<pa|arm|ddr3>" -#define DEV_SUPPORTED_SPEEDS 0x1ff -#define ARM_SUPPORTED_SPEEDS 0xff +#define DEV_SUPPORTED_SPEEDS 0xff +#define ARM_SUPPORTED_SPEEDS 0x3ff #define KS2_CLK1_6 sys_clk0_6_clk diff --git a/arch/arm/mach-keystone/include/mach/hardware-k2g.h b/arch/arm/mach-keystone/include/mach/hardware-k2g.h index 0f6bf61..90ca120 100644 --- a/arch/arm/mach-keystone/include/mach/hardware-k2g.h +++ b/arch/arm/mach-keystone/include/mach/hardware-k2g.h @@ -86,4 +86,25 @@ #define RSTMUX_OMODE8_INT 0x3 #define RSTMUX_OMODE8_INT_AND_DEV_RESET 0x4 +/* DEVSTAT register definition */ +#define KS2_DEVSTAT_REFCLK_SHIFT 7 +#define KS2_DEVSTAT_REFCLK_MASK (0x7 << 7) + +/* GPMC */ +#define KS2_GPMC_BASE 0x21818000 + +/* SYSCLK indexes */ +#define SYSCLK_19MHz 0 +#define SYSCLK_24MHz 1 +#define SYSCLK_25MHz 2 +#define SYSCLK_26MHz 3 +#define MAX_SYSCLK 4 + +#ifndef __ASSEMBLY__ +static inline u8 get_sysclk_index(void) +{ + u32 dev_stat = __raw_readl(KS2_DEVSTAT); + return (dev_stat & KS2_DEVSTAT_REFCLK_MASK) >> KS2_DEVSTAT_REFCLK_SHIFT; +} +#endif #endif /* __ASM_ARCH_HARDWARE_K2G_H */ |