X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/789ea10d57657ce479bbdf3d0e2dd9264510faaa..bcee5bee586219671a66e314fbf21c116abef06b:/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c

diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
index e7c3787e1..467a637e4 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
@@ -1,7 +1,7 @@
 /*
  * Ralink RT288x SoC specific setup
  *
- * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *
  * Parts of this file are based on Ralink's 2.6.21 BSP
@@ -14,17 +14,12 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/gpio.h>
 
 #include <asm/mach-ralink/common.h>
 #include <asm/mach-ralink/rt288x.h>
 #include <asm/mach-ralink/rt288x_regs.h>
 
-unsigned long rt288x_cpu_freq;
-EXPORT_SYMBOL_GPL(rt288x_cpu_freq);
-
-unsigned long rt288x_sys_freq;
-EXPORT_SYMBOL_GPL(rt288x_sys_freq);
-
 void __iomem * rt288x_sysc_base;
 void __iomem * rt288x_memc_base;
 
@@ -48,28 +43,35 @@ void __init rt288x_detect_sys_type(void)
 		(id & CHIP_ID_REV_MASK));
 }
 
-void __init rt288x_detect_sys_freq(void)
+static void rt288x_gpio_reserve(int first, int last)
 {
-	u32	t;
+	for (; first <= last; first++)
+		gpio_request(first, "reserved");
+}
 
-	t = rt288x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
-	t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
+void __init rt288x_gpio_init(u32 mode)
+{
+	rt288x_sysc_wr(mode, SYSC_REG_GPIO_MODE);
 
-	switch (t) {
-	case SYSTEM_CONFIG_CPUCLK_250:
-		rt288x_cpu_freq = 250000000;
-		break;
-	case SYSTEM_CONFIG_CPUCLK_266:
-		rt288x_cpu_freq = 266666667;
-		break;
-	case SYSTEM_CONFIG_CPUCLK_280:
-		rt288x_cpu_freq = 280000000;
-		break;
-	case SYSTEM_CONFIG_CPUCLK_300:
-		rt288x_cpu_freq = 300000000;
-		break;
-	}
+	ramips_gpio_init();
+	if ((mode & RT2880_GPIO_MODE_I2C) == 0)
+		rt288x_gpio_reserve(1, 2);
 
-	rt288x_sys_freq = rt288x_cpu_freq / 2;
-}
+	if ((mode & RT2880_GPIO_MODE_SPI) == 0)
+		rt288x_gpio_reserve(3, 6);
 
+	if ((mode & RT2880_GPIO_MODE_UART0) == 0)
+		rt288x_gpio_reserve(7, 14);
+
+	if ((mode & RT2880_GPIO_MODE_JTAG) == 0)
+		rt288x_gpio_reserve(17, 21);
+
+	if ((mode & RT2880_GPIO_MODE_MDIO) == 0)
+		rt288x_gpio_reserve(22, 23);
+
+	if ((mode & RT2880_GPIO_MODE_SDRAM) == 0)
+		rt288x_gpio_reserve(24, 39);
+
+	if ((mode & RT2880_GPIO_MODE_PCI) == 0)
+		rt288x_gpio_reserve(40, 71);
+}