leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MIPS: ath79: add clock setup code for the QCA955X SoCs

Browse Source 
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>
This commit is contained in:
Gabor Juhos
2013-02-15 13:38:17 +00:00
committed by John Crispin
parent 2e6c91e392
commit 41583c05c1
2 changed files with 117 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
arch/mips/include/asm/mach-ath79/ar71xx_regs.h
View File

@@ -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)