diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.6/162-MIPS-ath79-add-clock-setup-for-the-QCA955X-SoCs.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.6/162-MIPS-ath79-add-clock-setup-for-the-QCA955X-SoCs.patch | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/target/linux/ar71xx/patches-3.6/162-MIPS-ath79-add-clock-setup-for-the-QCA955X-SoCs.patch b/target/linux/ar71xx/patches-3.6/162-MIPS-ath79-add-clock-setup-for-the-QCA955X-SoCs.patch deleted file mode 100644 index bb0924c..0000000 --- a/target/linux/ar71xx/patches-3.6/162-MIPS-ath79-add-clock-setup-for-the-QCA955X-SoCs.patch +++ /dev/null @@ -1,167 +0,0 @@ -From f465a16766a015a31d4e83af1ad62cc718d64f5a Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Sun, 24 Jun 2012 13:43:08 +0200 -Subject: [PATCH 18/34] MIPS: ath79: add clock setup for the QCA955X SoCs - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- - arch/mips/ath79/clock.c | 78 ++++++++++++++++++++++++ - arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 39 ++++++++++++ - 2 files changed, 117 insertions(+), 0 deletions(-) - ---- a/arch/mips/ath79/clock.c -+++ b/arch/mips/ath79/clock.c -@@ -295,6 +295,82 @@ static void __init ar934x_clocks_init(vo - iounmap(dpll_base); - } - -+static void __init qca955x_clocks_init(void) -+{ -+ u32 pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv; -+ u32 cpu_pll, ddr_pll; -+ u32 bootstrap; -+ -+ bootstrap = ath79_reset_rr(QCA955X_RESET_REG_BOOTSTRAP); -+ if (bootstrap & QCA955X_BOOTSTRAP_REF_CLK_40) -+ ath79_ref_clk.rate = 40 * 1000 * 1000; -+ else -+ ath79_ref_clk.rate = 25 * 1000 * 1000; -+ -+ pll = ath79_pll_rr(QCA955X_PLL_CPU_CONFIG_REG); -+ out_div = (pll >> QCA955X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & -+ QCA955X_PLL_CPU_CONFIG_OUTDIV_MASK; -+ ref_div = (pll >> QCA955X_PLL_CPU_CONFIG_REFDIV_SHIFT) & -+ QCA955X_PLL_CPU_CONFIG_REFDIV_MASK; -+ nint = (pll >> QCA955X_PLL_CPU_CONFIG_NINT_SHIFT) & -+ QCA955X_PLL_CPU_CONFIG_NINT_MASK; -+ frac = (pll >> QCA955X_PLL_CPU_CONFIG_NFRAC_SHIFT) & -+ QCA955X_PLL_CPU_CONFIG_NFRAC_MASK; -+ -+ cpu_pll = nint * ath79_ref_clk.rate / ref_div; -+ cpu_pll += frac * ath79_ref_clk.rate / (ref_div * (1 << 6)); -+ cpu_pll /= (1 << out_div); -+ -+ pll = ath79_pll_rr(QCA955X_PLL_DDR_CONFIG_REG); -+ out_div = (pll >> QCA955X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & -+ QCA955X_PLL_DDR_CONFIG_OUTDIV_MASK; -+ ref_div = (pll >> QCA955X_PLL_DDR_CONFIG_REFDIV_SHIFT) & -+ QCA955X_PLL_DDR_CONFIG_REFDIV_MASK; -+ nint = (pll >> QCA955X_PLL_DDR_CONFIG_NINT_SHIFT) & -+ QCA955X_PLL_DDR_CONFIG_NINT_MASK; -+ frac = (pll >> QCA955X_PLL_DDR_CONFIG_NFRAC_SHIFT) & -+ QCA955X_PLL_DDR_CONFIG_NFRAC_MASK; -+ -+ ddr_pll = nint * ath79_ref_clk.rate / ref_div; -+ ddr_pll += frac * ath79_ref_clk.rate / (ref_div * (1 << 10)); -+ ddr_pll /= (1 << out_div); -+ -+ clk_ctrl = ath79_pll_rr(QCA955X_PLL_CLK_CTRL_REG); -+ -+ postdiv = (clk_ctrl >> QCA955X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) & -+ QCA955X_PLL_CLK_CTRL_CPU_POST_DIV_MASK; -+ -+ if (clk_ctrl & QCA955X_PLL_CLK_CTRL_CPU_PLL_BYPASS) -+ ath79_cpu_clk.rate = ath79_ref_clk.rate; -+ else if (clk_ctrl & QCA955X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL) -+ ath79_cpu_clk.rate = ddr_pll / (postdiv + 1); -+ else -+ ath79_cpu_clk.rate = cpu_pll / (postdiv + 1); -+ -+ postdiv = (clk_ctrl >> QCA955X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) & -+ QCA955X_PLL_CLK_CTRL_DDR_POST_DIV_MASK; -+ -+ if (clk_ctrl & QCA955X_PLL_CLK_CTRL_DDR_PLL_BYPASS) -+ ath79_ddr_clk.rate = ath79_ref_clk.rate; -+ else if (clk_ctrl & QCA955X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL) -+ ath79_ddr_clk.rate = cpu_pll / (postdiv + 1); -+ else -+ ath79_ddr_clk.rate = ddr_pll / (postdiv + 1); -+ -+ postdiv = (clk_ctrl >> QCA955X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) & -+ QCA955X_PLL_CLK_CTRL_AHB_POST_DIV_MASK; -+ -+ if (clk_ctrl & QCA955X_PLL_CLK_CTRL_AHB_PLL_BYPASS) -+ ath79_ahb_clk.rate = ath79_ref_clk.rate; -+ else if (clk_ctrl & QCA955X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL) -+ ath79_ahb_clk.rate = ddr_pll / (postdiv + 1); -+ else -+ ath79_ahb_clk.rate = cpu_pll / (postdiv + 1); -+ -+ ath79_wdt_clk.rate = ath79_ref_clk.rate; -+ ath79_uart_clk.rate = ath79_ref_clk.rate; -+} -+ - void __init ath79_clocks_init(void) - { - if (soc_is_ar71xx()) -@@ -307,6 +383,8 @@ void __init ath79_clocks_init(void) - ar933x_clocks_init(); - else if (soc_is_ar934x()) - ar934x_clocks_init(); -+ else if (soc_is_qca955x()) -+ qca955x_clocks_init(); - else - BUG(); - ---- 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) |