AA: ramips: set clk_is_20mhz for rt2x00 on RT3352/RT5350

Backport of r34270.

Signed-off-by: Daniel Golle <dgolle@allnet.de>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 34363

diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
index 949232dbd2fc3051aecc6c18a990ccd09b3a1218..943facb6de0a0f76827d09ddb0b4dd44656f83e3 100644 (file)
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
@@ -111,6 +111,8 @@
 #define RT5350_SYSCFG0_DRAM_SIZE_32M   3
 #define RT5350_SYSCFG0_DRAM_SIZE_64M   4
 
+#define RT3352_SYSCFG0_XTAL_SEL                BIT(20)
+
 #define RT3352_SYSCFG1_USB0_HOST_MODE  BIT(10)
 
 #define RT3352_CLKCFG1_UPHY0_CLK_EN    BIT(18)

diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
index 92ae56d3be8eb8a95cd975bc425858c7bfbc4f4b..56eae8a9dc64deea4a96efe0fc9d745b235e4cba 100644 (file)
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
@@ -215,7 +215,15 @@ static struct platform_device rt305x_wifi_device = {
 
 void __init rt305x_register_wifi(void)
 {
+       u32 t;
        rt305x_wifi_data.eeprom_file_name = "RT305X.eeprom";
+
+       if (soc_is_rt3352() || soc_is_rt5350()) {
+               t = rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
+               t &= RT3352_SYSCFG0_XTAL_SEL;
+               if (!t)
+                       rt305x_wifi_data.clk_is_20mhz = 1;
+       }
        platform_device_register(&rt305x_wifi_device);
 }