diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2013-02-15 17:38:17 +0400 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2013-02-19 12:36:25 +0400 |
| commit | 41583c05c15cd3adb848f9ee8316bf8084c961cb (patch) | |
| tree | 2526f8df6b38945a7193ec4de582c48d85c5b407 /arch/mips/include/asm/mach-ath79 | |
| parent | 2e6c91e392fd7be2ef0ba1e9a20e0ebe8ab79cf3 (diff) | |
| download | linux-41583c05c15cd3adb848f9ee8316bf8084c961cb.tar.xz | |
MIPS: ath79: add clock setup code for the QCA955X SoCs
The patch adds code to get various clock frequencies
from the PLLs used in the QCA955x SoCs.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4945/
Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/include/asm/mach-ath79')
| -rw-r--r-- | arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h index 63a9f2b600b8..7b00e12afc1c 100644 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h @@ -225,6 +225,41 @@ #define AR934X_PLL_CPU_DDR_CLK_CTRL_DDRCLK_FROM_DDRPLL BIT(21) #define AR934X_PLL_CPU_DDR_CLK_CTRL_AHBCLK_FROM_DDRPLL BIT(24) +#define QCA955X_PLL_CPU_CONFIG_REG 0x00 +#define QCA955X_PLL_DDR_CONFIG_REG 0x04 +#define QCA955X_PLL_CLK_CTRL_REG 0x08 + +#define QCA955X_PLL_CPU_CONFIG_NFRAC_SHIFT 0 +#define QCA955X_PLL_CPU_CONFIG_NFRAC_MASK 0x3f +#define QCA955X_PLL_CPU_CONFIG_NINT_SHIFT 6 +#define QCA955X_PLL_CPU_CONFIG_NINT_MASK 0x3f +#define QCA955X_PLL_CPU_CONFIG_REFDIV_SHIFT 12 +#define QCA955X_PLL_CPU_CONFIG_REFDIV_MASK 0x1f +#define QCA955X_PLL_CPU_CONFIG_OUTDIV_SHIFT 19 +#define QCA955X_PLL_CPU_CONFIG_OUTDIV_MASK 0x3 + +#define QCA955X_PLL_DDR_CONFIG_NFRAC_SHIFT 0 +#define QCA955X_PLL_DDR_CONFIG_NFRAC_MASK 0x3ff +#define QCA955X_PLL_DDR_CONFIG_NINT_SHIFT 10 +#define QCA955X_PLL_DDR_CONFIG_NINT_MASK 0x3f +#define QCA955X_PLL_DDR_CONFIG_REFDIV_SHIFT 16 +#define QCA955X_PLL_DDR_CONFIG_REFDIV_MASK 0x1f +#define QCA955X_PLL_DDR_CONFIG_OUTDIV_SHIFT 23 +#define QCA955X_PLL_DDR_CONFIG_OUTDIV_MASK 0x7 + +#define QCA955X_PLL_CLK_CTRL_CPU_PLL_BYPASS BIT(2) +#define QCA955X_PLL_CLK_CTRL_DDR_PLL_BYPASS BIT(3) +#define QCA955X_PLL_CLK_CTRL_AHB_PLL_BYPASS BIT(4) +#define QCA955X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT 5 +#define QCA955X_PLL_CLK_CTRL_CPU_POST_DIV_MASK 0x1f +#define QCA955X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT 10 +#define QCA955X_PLL_CLK_CTRL_DDR_POST_DIV_MASK 0x1f +#define QCA955X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT 15 +#define QCA955X_PLL_CLK_CTRL_AHB_POST_DIV_MASK 0x1f +#define QCA955X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL BIT(20) +#define QCA955X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL BIT(21) +#define QCA955X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL BIT(24) + /* * USB_CONFIG block */ @@ -264,6 +299,8 @@ #define AR934X_RESET_REG_BOOTSTRAP 0xb0 #define AR934X_RESET_REG_PCIE_WMAC_INT_STATUS 0xac +#define QCA955X_RESET_REG_BOOTSTRAP 0xb0 + #define MISC_INT_ETHSW BIT(12) #define MISC_INT_TIMER4 BIT(10) #define MISC_INT_TIMER3 BIT(9) @@ -341,6 +378,8 @@ #define AR934X_BOOTSTRAP_SDRAM_DISABLED BIT(1) #define AR934X_BOOTSTRAP_DDR1 BIT(0) +#define QCA955X_BOOTSTRAP_REF_CLK_40 BIT(4) + #define AR934X_PCIE_WMAC_INT_WMAC_MISC BIT(0) #define AR934X_PCIE_WMAC_INT_WMAC_TX BIT(1) #define AR934X_PCIE_WMAC_INT_WMAC_RXLP BIT(2) |