28 lines
956 B
Diff
28 lines
956 B
Diff
--- linux-3.10.26/arch/mips/ralink/mt7620.c 2014-01-15 21:49:41.368793580 +0200
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+++ linux-3.10.26/arch/mips/ralink/mt7620.c 2014-01-15 19:33:32.022038160 +0200
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@@ -105,12 +105,15 @@
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void __init ralink_clk_init(void)
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{
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- unsigned long cpu_rate, sys_rate;
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+ unsigned long cpu_rate, sys_rate, xtal_freq;
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u32 c0 = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0);
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u32 c1 = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1);
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u32 swconfig = (c0 >> CPLL_SW_CONFIG_SHIFT) & CPLL_SW_CONFIG_MASK;
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u32 cpu_clk = (c1 >> CPLL_CPU_CLK_SHIFT) & CPLL_CPU_CLK_MASK;
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+ u32 syscfg0 = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0);
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+ xtal_freq = (syscfg0 & 0x40) ? 40000000 : 20000000;
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+
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if (cpu_clk) {
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cpu_rate = 480000000;
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} else if (!swconfig) {
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@@ -133,6 +136,7 @@
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ralink_clk_add("10000500.uart", 40000000);
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ralink_clk_add("10000b00.spi", 40000000);
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ralink_clk_add("10000c00.uartlite", 40000000);
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+ ralink_clk_add("10180000.wmac", xtal_freq);
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if (IS_ENABLED(CONFIG_USB)) {
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/*
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