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ar71xx: rename ar934x_ref_freq to ar71xx_ref_freq
Also initialize that for each SoC and print its value along with the other frequencies. SVN-Revision: 26561
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@ -74,7 +74,7 @@ void __init ar71xx_add_device_uart(void)
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case AR71XX_SOC_AR9341:
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case AR71XX_SOC_AR9342:
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case AR71XX_SOC_AR9344:
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ar71xx_uart_data[0].uartclk = ar934x_ref_freq;
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ar71xx_uart_data[0].uartclk = ar71xx_ref_freq;
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break;
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default:
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@ -28,9 +28,6 @@
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#include "devices.h"
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#define AR71XX_SYS_TYPE_LEN 64
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#define AR71XX_BASE_FREQ 40000000
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#define AR91XX_BASE_FREQ 5000000
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#define AR724X_BASE_FREQ 5000000
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u32 ar71xx_cpu_freq;
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EXPORT_SYMBOL_GPL(ar71xx_cpu_freq);
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@ -41,8 +38,8 @@ EXPORT_SYMBOL_GPL(ar71xx_ahb_freq);
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u32 ar71xx_ddr_freq;
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EXPORT_SYMBOL_GPL(ar71xx_ddr_freq);
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u32 ar934x_ref_freq;
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EXPORT_SYMBOL_GPL(ar934x_ref_freq);
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u32 ar71xx_ref_freq;
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EXPORT_SYMBOL_GPL(ar71xx_ref_freq);
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enum ar71xx_soc_type ar71xx_soc;
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EXPORT_SYMBOL_GPL(ar71xx_soc);
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@ -174,14 +171,12 @@ static void __init ar71xx_detect_sys_type(void)
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static void __init ar934x_detect_sys_frequency(void)
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{
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u32 pll, out_div, ref_div, nint, frac, clk_ctrl, ref, postdiv;
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u32 pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv;
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if (ar71xx_reset_rr(AR934X_RESET_REG_BOOTSTRAP) & AR934X_REF_CLK_40)
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ref = (40 * 1000000);
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ar71xx_ref_freq = 40 * 1000 * 1000;
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else
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ref = (25 * 1000000);
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ar934x_ref_freq = ref;
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ar71xx_ref_freq = 25 * 1000 * 1000;
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clk_ctrl = ar71xx_pll_rr(AR934X_PLL_REG_DDR_CTRL_CLOCK);
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@ -191,14 +186,16 @@ static void __init ar934x_detect_sys_frequency(void)
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nint = AR934X_CPU_PLL_CFG_NINT_GET(pll);
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frac = AR934X_CPU_PLL_CFG_NFRAC_GET(pll);
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postdiv = AR934X_CPU_DDR_CLK_CTRL_CPU_POST_DIV_GET(clk_ctrl);
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ar71xx_cpu_freq = ((nint * ref / ref_div) >> out_div) / (postdiv + 1);
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ar71xx_cpu_freq = ((nint * ar71xx_ref_freq / ref_div) >> out_div) /
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(postdiv + 1);
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out_div = AR934X_DDR_PLL_CFG_OUTDIV_GET(pll);
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ref_div = AR934X_DDR_PLL_CFG_REFDIV_GET(pll);
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nint = AR934X_DDR_PLL_CFG_NINT_GET(pll);
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frac = AR934X_DDR_PLL_CFG_NFRAC_GET(pll);
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postdiv = AR934X_CPU_DDR_CLK_CTRL_DDR_POST_DIV_GET(clk_ctrl);
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ar71xx_ddr_freq = ((nint * ref / ref_div) >> out_div) / (postdiv + 1);
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ar71xx_ddr_freq = ((nint * ar71xx_ref_freq / ref_div) >> out_div) /
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(postdiv + 1);
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postdiv = AR934X_CPU_DDR_CLK_CTRL_AHB_POST_DIV_GET(clk_ctrl);
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@ -216,10 +213,12 @@ static void __init ar91xx_detect_sys_frequency(void)
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u32 freq;
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u32 div;
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ar71xx_ref_freq = 5 * 1000 * 1000;
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pll = ar71xx_pll_rr(AR91XX_PLL_REG_CPU_CONFIG);
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div = ((pll >> AR91XX_PLL_DIV_SHIFT) & AR91XX_PLL_DIV_MASK);
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freq = div * AR91XX_BASE_FREQ;
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freq = div * ar71xx_ref_freq;
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ar71xx_cpu_freq = freq;
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@ -236,10 +235,12 @@ static void __init ar71xx_detect_sys_frequency(void)
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u32 freq;
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u32 div;
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ar71xx_ref_freq = 40 * 1000 * 1000;
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pll = ar71xx_pll_rr(AR71XX_PLL_REG_CPU_CONFIG);
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div = ((pll >> AR71XX_PLL_DIV_SHIFT) & AR71XX_PLL_DIV_MASK) + 1;
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freq = div * AR71XX_BASE_FREQ;
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freq = div * ar71xx_ref_freq;
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div = ((pll >> AR71XX_CPU_DIV_SHIFT) & AR71XX_CPU_DIV_MASK) + 1;
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ar71xx_cpu_freq = freq / div;
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@ -257,10 +258,12 @@ static void __init ar724x_detect_sys_frequency(void)
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u32 freq;
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u32 div;
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ar71xx_ref_freq = 5 * 1000 * 1000;
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pll = ar71xx_pll_rr(AR724X_PLL_REG_CPU_CONFIG);
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div = ((pll >> AR724X_PLL_DIV_SHIFT) & AR724X_PLL_DIV_MASK);
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freq = div * AR724X_BASE_FREQ;
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freq = div * ar71xx_ref_freq;
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div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK);
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freq *= div;
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@ -336,10 +339,12 @@ void __init plat_mem_setup(void)
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ar71xx_detect_sys_type();
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detect_sys_frequency();
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pr_info("Clocks: CPU:%u.%03u MHz, AHB:%u.%03u MHz, DDR:%u.%03u MHz\n",
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pr_info("Clocks: CPU:%u.%03uMHz, DDR:%u.%03uMHz, AHB:%u.%03uMHz, "
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"Ref:%u.%03uMHz",
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ar71xx_cpu_freq / 1000000, (ar71xx_cpu_freq / 1000) % 1000,
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ar71xx_ddr_freq / 1000000, (ar71xx_ddr_freq / 1000) % 1000,
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ar71xx_ahb_freq / 1000000, (ar71xx_ahb_freq / 1000) % 1000,
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ar71xx_ddr_freq / 1000000, (ar71xx_ddr_freq / 1000) % 1000);
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ar71xx_ref_freq / 1000000, (ar71xx_ref_freq / 1000) % 1000);
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_machine_restart = ar71xx_restart;
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_machine_halt = ar71xx_halt;
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@ -115,7 +115,7 @@
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extern u32 ar71xx_ahb_freq;
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extern u32 ar71xx_cpu_freq;
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extern u32 ar71xx_ddr_freq;
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extern u32 ar934x_ref_freq;
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extern u32 ar71xx_ref_freq;
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enum ar71xx_soc_type {
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AR71XX_SOC_UNKNOWN,
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@ -222,7 +222,7 @@ static int __devinit ar71xx_wdt_probe(struct platform_device *pdev)
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case AR71XX_SOC_AR9341:
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case AR71XX_SOC_AR9342:
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case AR71XX_SOC_AR9344:
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wdt_clk_freq = ar934x_ref_freq;
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wdt_clk_freq = ar71xx_ref_freq;
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break;
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default:
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