diff options
| author | Hans J. Koch <hjk@linutronix.de> | 2010-09-17 18:15:11 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-09-17 21:55:08 +0200 |
| commit | da15797eaec795bc2a1a9adb441214a6f5ea07fc (patch) | |
| tree | abc0d5443f24716a274599999c9b948a5103f027 /arch/arm/plat-tcc/include/mach/tcc8k-regs.h | |
| parent | 83ef3338a2ae5d5bd9f5f6803b900b8067660054 (diff) | |
ARM: Add the clock framework for Telechips TCC8xxx processors.
This adds definitions and low-level functions to handle clocks in
TCC8xxx processors.
Signed-off-by: "Hans J. Koch" <hjk@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/plat-tcc/include/mach/tcc8k-regs.h')
| -rw-r--r-- | arch/arm/plat-tcc/include/mach/tcc8k-regs.h | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/arch/arm/plat-tcc/include/mach/tcc8k-regs.h b/arch/arm/plat-tcc/include/mach/tcc8k-regs.h index f3243ebea46..1d942829533 100644 --- a/arch/arm/plat-tcc/include/mach/tcc8k-regs.h +++ b/arch/arm/plat-tcc/include/mach/tcc8k-regs.h @@ -30,13 +30,13 @@ #define EXT_MEM_CTRL_BASE 0xf0000000 #define EXT_MEM_CTRL_SIZE SZ_4K -#define CS1_BASE_VIRT 0xf7000000 -#define AHB_PERI_BASE_VIRT 0xf4000000 -#define APB0_PERI_BASE_VIRT 0xf1000000 -#define APB1_PERI_BASE_VIRT 0xf2000000 -#define EXT_MEM_CTRL_BASE_VIRT 0xf3000000 -#define INT_SRAM_BASE_VIRT 0xf5000000 -#define DATA_TCM_BASE_VIRT 0xf6000000 +#define CS1_BASE_VIRT (void __iomem *)0xf7000000 +#define AHB_PERI_BASE_VIRT (void __iomem *)0xf4000000 +#define APB0_PERI_BASE_VIRT (void __iomem *)0xf1000000 +#define APB1_PERI_BASE_VIRT (void __iomem *)0xf2000000 +#define EXT_MEM_CTRL_BASE_VIRT (void __iomem *)0xf3000000 +#define INT_SRAM_BASE_VIRT (void __iomem *)0xf5000000 +#define DATA_TCM_BASE_VIRT (void __iomem *)0xf6000000 #define __REG(x) (*((volatile u32 *)(x))) @@ -649,8 +649,7 @@ #define PMGPIO_APB_OFFS 0x800 /* Clock controller registers */ -#define CKC_BASE (APB1_PERI_BASE_VIRT + 0x6000) -#define CKC_BASE_PHYS (APB1_PERI_BASE + 0x6000) +#define CKC_BASE ((void __iomem *)(APB1_PERI_BASE_VIRT + 0x6000)) #define CLKCTRL_OFFS 0x00 #define PLL0CFG_OFFS 0x04 @@ -724,8 +723,20 @@ /* SWRESET1 bits */ #define SWRESET1_USBH1 (1 << 20) -/* System clock sources */ +/* System clock sources. + * Note: These are the clock sources that serve as parents for + * all other clocks. They have no parents themselves. + * + * These values are used for struct clk->root_id. All clocks + * that are not system clock sources have this value set to + * CLK_SRC_NOROOT. + * The values for system clocks start with CLK_SRC_PLL0 == 0 + * because this gives us exactly the values needed for the lower + * 4 bits of ACLK_* registers. Therefore, CLK_SRC_NOROOT is + * defined as -1 to not disturb the order. + */ enum root_clks { + CLK_SRC_NOROOT = -1, CLK_SRC_PLL0 = 0, CLK_SRC_PLL1, CLK_SRC_PLL0DIV, |