Author: blogic
Date: 2014-07-01 12:26:25 +0200 (Tue, 01 Jul 2014)
New Revision: 41443

Added:
   trunk/target/linux/ramips/patches-3.10/0401-mt7620n-add-wmac-clock.patch
Log:
ramips: enable wmac clock for mt7620

Signed-off-by: Roman Yeryomin <[email protected]>

Added: trunk/target/linux/ramips/patches-3.10/0401-mt7620n-add-wmac-clock.patch
===================================================================
--- trunk/target/linux/ramips/patches-3.10/0401-mt7620n-add-wmac-clock.patch    
                        (rev 0)
+++ trunk/target/linux/ramips/patches-3.10/0401-mt7620n-add-wmac-clock.patch    
2014-07-01 10:26:25 UTC (rev 41443)
@@ -0,0 +1,27 @@
+--- linux-3.10.26/arch/mips/ralink/mt7620.c    2014-01-15 21:49:41.368793580 
+0200
++++ linux-3.10.26/arch/mips/ralink/mt7620.c    2014-01-15 19:33:32.022038160 
+0200
+@@ -105,12 +105,15 @@
+ 
+ void __init ralink_clk_init(void)
+ {
+-      unsigned long cpu_rate, sys_rate;
++      unsigned long cpu_rate, sys_rate, xtal_freq;
+       u32 c0 = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0);
+       u32 c1 = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1);
+       u32 swconfig = (c0 >> CPLL_SW_CONFIG_SHIFT) & CPLL_SW_CONFIG_MASK;
+       u32 cpu_clk = (c1 >> CPLL_CPU_CLK_SHIFT) & CPLL_CPU_CLK_MASK;
+ 
++      u32 syscfg0 = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0);
++      xtal_freq = (syscfg0 & 0x40) ? 40000000 : 20000000;
++
+       if (cpu_clk) {
+               cpu_rate = 480000000;
+       } else if (!swconfig) {
+@@ -133,6 +136,7 @@
+       ralink_clk_add("10000500.uart", 40000000);
+       ralink_clk_add("10000b00.spi", 40000000);
+       ralink_clk_add("10000c00.uartlite", 40000000);
++      ralink_clk_add("10180000.wmac", xtal_freq);
+ 
+       if (IS_ENABLED(CONFIG_USB)) {
+               /*
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