diff options
Diffstat (limited to 'target/linux/ar71xx')
4 files changed, 25 insertions, 20 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c index a3f4aaf7f..8929f231e 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c @@ -74,7 +74,7 @@ void __init ar71xx_add_device_uart(void) case AR71XX_SOC_AR9341: case AR71XX_SOC_AR9342: case AR71XX_SOC_AR9344: - ar71xx_uart_data[0].uartclk = ar934x_ref_freq; + ar71xx_uart_data[0].uartclk = ar71xx_ref_freq; break; default: diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c b/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c index 28dc1e593..7fd730c15 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c @@ -28,9 +28,6 @@ #include "devices.h" #define AR71XX_SYS_TYPE_LEN 64 -#define AR71XX_BASE_FREQ 40000000 -#define AR91XX_BASE_FREQ 5000000 -#define AR724X_BASE_FREQ 5000000 u32 ar71xx_cpu_freq; EXPORT_SYMBOL_GPL(ar71xx_cpu_freq); @@ -41,8 +38,8 @@ EXPORT_SYMBOL_GPL(ar71xx_ahb_freq); u32 ar71xx_ddr_freq; EXPORT_SYMBOL_GPL(ar71xx_ddr_freq); -u32 ar934x_ref_freq; -EXPORT_SYMBOL_GPL(ar934x_ref_freq); +u32 ar71xx_ref_freq; +EXPORT_SYMBOL_GPL(ar71xx_ref_freq); enum ar71xx_soc_type ar71xx_soc; EXPORT_SYMBOL_GPL(ar71xx_soc); @@ -174,14 +171,12 @@ static void __init ar71xx_detect_sys_type(void) static void __init ar934x_detect_sys_frequency(void) { - u32 pll, out_div, ref_div, nint, frac, clk_ctrl, ref, postdiv; + u32 pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv; if (ar71xx_reset_rr(AR934X_RESET_REG_BOOTSTRAP) & AR934X_REF_CLK_40) - ref = (40 * 1000000); + ar71xx_ref_freq = 40 * 1000 * 1000; else - ref = (25 * 1000000); - - ar934x_ref_freq = ref; + ar71xx_ref_freq = 25 * 1000 * 1000; clk_ctrl = ar71xx_pll_rr(AR934X_PLL_REG_DDR_CTRL_CLOCK); @@ -191,14 +186,16 @@ static void __init ar934x_detect_sys_frequency(void) nint = AR934X_CPU_PLL_CFG_NINT_GET(pll); frac = AR934X_CPU_PLL_CFG_NFRAC_GET(pll); postdiv = AR934X_CPU_DDR_CLK_CTRL_CPU_POST_DIV_GET(clk_ctrl); - ar71xx_cpu_freq = ((nint * ref / ref_div) >> out_div) / (postdiv + 1); + ar71xx_cpu_freq = ((nint * ar71xx_ref_freq / ref_div) >> out_div) / + (postdiv + 1); out_div = AR934X_DDR_PLL_CFG_OUTDIV_GET(pll); ref_div = AR934X_DDR_PLL_CFG_REFDIV_GET(pll); nint = AR934X_DDR_PLL_CFG_NINT_GET(pll); frac = AR934X_DDR_PLL_CFG_NFRAC_GET(pll); postdiv = AR934X_CPU_DDR_CLK_CTRL_DDR_POST_DIV_GET(clk_ctrl); - ar71xx_ddr_freq = ((nint * ref / ref_div) >> out_div) / (postdiv + 1); + ar71xx_ddr_freq = ((nint * ar71xx_ref_freq / ref_div) >> out_div) / + (postdiv + 1); postdiv = AR934X_CPU_DDR_CLK_CTRL_AHB_POST_DIV_GET(clk_ctrl); @@ -216,10 +213,12 @@ static void __init ar91xx_detect_sys_frequency(void) u32 freq; u32 div; + ar71xx_ref_freq = 5 * 1000 * 1000; + pll = ar71xx_pll_rr(AR91XX_PLL_REG_CPU_CONFIG); div = ((pll >> AR91XX_PLL_DIV_SHIFT) & AR91XX_PLL_DIV_MASK); - freq = div * AR91XX_BASE_FREQ; + freq = div * ar71xx_ref_freq; ar71xx_cpu_freq = freq; @@ -236,10 +235,12 @@ static void __init ar71xx_detect_sys_frequency(void) u32 freq; u32 div; + ar71xx_ref_freq = 40 * 1000 * 1000; + pll = ar71xx_pll_rr(AR71XX_PLL_REG_CPU_CONFIG); div = ((pll >> AR71XX_PLL_DIV_SHIFT) & AR71XX_PLL_DIV_MASK) + 1; - freq = div * AR71XX_BASE_FREQ; + freq = div * ar71xx_ref_freq; div = ((pll >> AR71XX_CPU_DIV_SHIFT) & AR71XX_CPU_DIV_MASK) + 1; ar71xx_cpu_freq = freq / div; @@ -257,10 +258,12 @@ static void __init ar724x_detect_sys_frequency(void) u32 freq; u32 div; + ar71xx_ref_freq = 5 * 1000 * 1000; + pll = ar71xx_pll_rr(AR724X_PLL_REG_CPU_CONFIG); div = ((pll >> AR724X_PLL_DIV_SHIFT) & AR724X_PLL_DIV_MASK); - freq = div * AR724X_BASE_FREQ; + freq = div * ar71xx_ref_freq; div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK); freq *= div; @@ -336,10 +339,12 @@ void __init plat_mem_setup(void) ar71xx_detect_sys_type(); detect_sys_frequency(); - pr_info("Clocks: CPU:%u.%03u MHz, AHB:%u.%03u MHz, DDR:%u.%03u MHz\n", + pr_info("Clocks: CPU:%u.%03uMHz, DDR:%u.%03uMHz, AHB:%u.%03uMHz, " + "Ref:%u.%03uMHz", ar71xx_cpu_freq / 1000000, (ar71xx_cpu_freq / 1000) % 1000, + ar71xx_ddr_freq / 1000000, (ar71xx_ddr_freq / 1000) % 1000, ar71xx_ahb_freq / 1000000, (ar71xx_ahb_freq / 1000) % 1000, - ar71xx_ddr_freq / 1000000, (ar71xx_ddr_freq / 1000) % 1000); + ar71xx_ref_freq / 1000000, (ar71xx_ref_freq / 1000) % 1000); _machine_restart = ar71xx_restart; _machine_halt = ar71xx_halt; diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h index 2a540a83e..791dd6d87 100644 --- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h +++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h @@ -115,7 +115,7 @@ extern u32 ar71xx_ahb_freq; extern u32 ar71xx_cpu_freq; extern u32 ar71xx_ddr_freq; -extern u32 ar934x_ref_freq; +extern u32 ar71xx_ref_freq; enum ar71xx_soc_type { AR71XX_SOC_UNKNOWN, diff --git a/target/linux/ar71xx/files/drivers/watchdog/ar71xx_wdt.c b/target/linux/ar71xx/files/drivers/watchdog/ar71xx_wdt.c index 716346575..688b9152c 100644 --- a/target/linux/ar71xx/files/drivers/watchdog/ar71xx_wdt.c +++ b/target/linux/ar71xx/files/drivers/watchdog/ar71xx_wdt.c @@ -222,7 +222,7 @@ static int __devinit ar71xx_wdt_probe(struct platform_device *pdev) case AR71XX_SOC_AR9341: case AR71XX_SOC_AR9342: case AR71XX_SOC_AR9344: - wdt_clk_freq = ar934x_ref_freq; + wdt_clk_freq = ar71xx_ref_freq; break; default: |