X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/b887a6d197170b719028f31085876d8deaed35b6..b1b7fcb8bd1fd7c4bfebbb94ed5087e1856e104e:/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 cd429a1c0..53b1a6911 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) 2008-2011 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
@@ -15,18 +15,11 @@
 #include <linux/init.h>
 #include <linux/module.h>
 
+#include <asm/mach-ralink/common.h>
+#include <asm/mach-ralink/ramips_gpio.h>
 #include <asm/mach-ralink/rt288x.h>
 #include <asm/mach-ralink/rt288x_regs.h>
 
-unsigned char rt288x_sys_type[RT288X_SYS_TYPE_LEN];
-
-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_intc_base;
 void __iomem * rt288x_sysc_base;
 void __iomem * rt288x_memc_base;
 
@@ -40,7 +33,7 @@ void __init rt288x_detect_sys_type(void)
 	n1 = rt288x_sysc_rr(SYSC_REG_CHIP_NAME1);
 	id = rt288x_sysc_rr(SYSC_REG_CHIP_ID);
 
-	snprintf(rt288x_sys_type, RT288X_SYS_TYPE_LEN,
+	snprintf(ramips_sys_type, RAMIPS_SYS_TYPE_LEN,
 		"Ralink %c%c%c%c%c%c%c%c id:%u rev:%u",
 		(char) (n0 & 0xff), (char) ((n0 >> 8) & 0xff),
 		(char) ((n0 >> 16) & 0xff), (char) ((n0 >> 24) & 0xff),
@@ -50,28 +43,106 @@ void __init rt288x_detect_sys_type(void)
 		(id & CHIP_ID_REV_MASK));
 }
 
-void __init rt288x_detect_sys_freq(void)
+static struct ramips_gpio_chip rt288x_gpio_chips[] = {
+	{
+		.chip = {
+			.label	= "RT288X-GPIO0",
+			.base	= 0,
+			.ngpio	= 24,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x00,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x04,
+			[RAMIPS_GPIO_REG_RENA]	= 0x08,
+			[RAMIPS_GPIO_REG_FENA]	= 0x0c,
+			[RAMIPS_GPIO_REG_DATA]	= 0x20,
+			[RAMIPS_GPIO_REG_DIR]	= 0x24,
+			[RAMIPS_GPIO_REG_POL]	= 0x28,
+			[RAMIPS_GPIO_REG_SET]	= 0x2c,
+			[RAMIPS_GPIO_REG_RESET]	= 0x30,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x34,
+		},
+		.map_base = RT2880_PIO_BASE,
+		.map_size = RT2880_PIO_SIZE,
+	},
+	{
+		.chip = {
+			.label	= "RT288X-GPIO1",
+			.base	= 24,
+			.ngpio	= 16,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x38,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x3c,
+			[RAMIPS_GPIO_REG_RENA]	= 0x40,
+			[RAMIPS_GPIO_REG_FENA]	= 0x44,
+			[RAMIPS_GPIO_REG_DATA]	= 0x48,
+			[RAMIPS_GPIO_REG_DIR]	= 0x4c,
+			[RAMIPS_GPIO_REG_POL]	= 0x50,
+			[RAMIPS_GPIO_REG_SET]	= 0x54,
+			[RAMIPS_GPIO_REG_RESET]	= 0x58,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x5c,
+		},
+		.map_base = RT2880_PIO_BASE,
+		.map_size = RT2880_PIO_SIZE,
+	},
+	{
+		.chip = {
+			.label	= "RT288X-GPIO2",
+			.base	= 40,
+			.ngpio	= 32,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x60,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x64,
+			[RAMIPS_GPIO_REG_RENA]	= 0x68,
+			[RAMIPS_GPIO_REG_FENA]	= 0x6c,
+			[RAMIPS_GPIO_REG_DATA]	= 0x70,
+			[RAMIPS_GPIO_REG_DIR]	= 0x74,
+			[RAMIPS_GPIO_REG_POL]	= 0x78,
+			[RAMIPS_GPIO_REG_SET]	= 0x7c,
+			[RAMIPS_GPIO_REG_RESET]	= 0x80,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x84,
+		},
+		.map_base = RT2880_PIO_BASE,
+		.map_size = RT2880_PIO_SIZE,
+	},
+};
+
+static struct ramips_gpio_data rt288x_gpio_data = {
+	.chips = rt288x_gpio_chips,
+	.num_chips = ARRAY_SIZE(rt288x_gpio_chips),
+};
+
+static void rt288x_gpio_reserve(int first, int last)
 {
-	u32	t;
-
-	t = rt288x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
-	t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
-
-	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;
-	}
-
-	rt288x_sys_freq = rt288x_cpu_freq / 2;
+	for (; first <= last; first++)
+		gpio_request(first, "reserved");
 }
 
+void __init rt288x_gpio_init(u32 mode)
+{
+	rt288x_sysc_wr(mode, SYSC_REG_GPIO_MODE);
+
+	ramips_gpio_init(&rt288x_gpio_data);
+	if ((mode & RT2880_GPIO_MODE_I2C) == 0)
+		rt288x_gpio_reserve(1, 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);
+}