target/linux/ramips/patches-3.10/0401-mt7620n-add-wmac-clock.patch

   1 --- linux-3.10.26/arch/mips/ralink/mt7620.c     2014-01-15 21:49:41.368793580 +0200
   2 +++ linux-3.10.26/arch/mips/ralink/mt7620.c     2014-01-15 19:33:32.022038160 +0200
   3 @@ -105,12 +105,15 @@
   4
   5  void __init ralink_clk_init(void)
   6  {
   7 -       unsigned long cpu_rate, sys_rate;
   8 +       unsigned long cpu_rate, sys_rate, xtal_freq;
   9         u32 c0 = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0);
  10         u32 c1 = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1);
  11         u32 swconfig = (c0 >> CPLL_SW_CONFIG_SHIFT) & CPLL_SW_CONFIG_MASK;
  12         u32 cpu_clk = (c1 >> CPLL_CPU_CLK_SHIFT) & CPLL_CPU_CLK_MASK;
  13
  14 +       u32 syscfg0 = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0);
  15 +       xtal_freq = (syscfg0 & 0x40) ? 40000000 : 20000000;
  16 +
  17         if (cpu_clk) {
  18                 cpu_rate = 480000000;
  19         } else if (!swconfig) {
  20 @@ -133,6 +136,7 @@
  21         ralink_clk_add("10000500.uart", 40000000);
  22         ralink_clk_add("10000b00.spi", 40000000);
  23         ralink_clk_add("10000c00.uartlite", 40000000);
  24 +       ralink_clk_add("10180000.wmac", xtal_freq);
  25
  26         if (IS_ENABLED(CONFIG_USB)) {
  27                 /*