X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/789ea10d57657ce479bbdf3d0e2dd9264510faaa..d786690857dd835b4c4b7e52288c1125e14b31e8:/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c

diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c
index 249da36b0..5916888f0 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c
@@ -1,7 +1,7 @@
 /*
  * Ralink RT305x SoC specific setup
  *
- * Copyright (C) 2008-2009 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
@@ -16,15 +16,10 @@
 #include <linux/module.h>
 
 #include <asm/mach-ralink/common.h>
+#include <asm/mach-ralink/ramips_gpio.h>
 #include <asm/mach-ralink/rt305x.h>
 #include <asm/mach-ralink/rt305x_regs.h>
 
-unsigned long rt305x_cpu_freq;
-EXPORT_SYMBOL_GPL(rt305x_cpu_freq);
-
-unsigned long rt305x_sys_freq;
-EXPORT_SYMBOL_GPL(rt305x_sys_freq);
-
 void __iomem * rt305x_sysc_base;
 void __iomem * rt305x_memc_base;
 
@@ -48,21 +43,130 @@ void __init rt305x_detect_sys_type(void)
 		(id & CHIP_ID_REV_MASK));
 }
 
-void __init rt305x_detect_sys_freq(void)
+static struct ramips_gpio_chip rt305x_gpio_chips[] = {
+	{
+		.chip = {
+			.label	= "RT305X-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 = RT305X_PIO_BASE,
+		.map_size = RT305X_PIO_SIZE,
+	},
+	{
+		.chip = {
+			.label	= "RT305X-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 = RT305X_PIO_BASE,
+		.map_size = RT305X_PIO_SIZE,
+	},
+	{
+		.chip = {
+			.label	= "RT305X-GPIO2",
+			.base	= 40,
+			.ngpio	= 12,
+		},
+		.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 = RT305X_PIO_BASE,
+		.map_size = RT305X_PIO_SIZE,
+	},
+};
+
+static struct ramips_gpio_data rt305x_gpio_data = {
+	.chips = rt305x_gpio_chips,
+	.num_chips = ARRAY_SIZE(rt305x_gpio_chips),
+};
+
+static void rt305x_gpio_reserve(int first, int last)
+{
+	for (; first <= last; first++)
+		gpio_request(first, "reserved");
+}
+
+void __init rt305x_gpio_init(u32 mode)
 {
-	u32	t;
+	u32 t;
 
-	t = rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
-	t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
+	rt305x_sysc_wr(mode, SYSC_REG_GPIO_MODE);
 
+	ramips_gpio_init(&rt305x_gpio_data);
+	if ((mode & RT305X_GPIO_MODE_I2C) == 0)
+		rt305x_gpio_reserve(RT305X_GPIO_I2C_SD, RT305X_GPIO_I2C_SCLK);
+
+	if ((mode & RT305X_GPIO_MODE_SPI) == 0)
+		rt305x_gpio_reserve(RT305X_GPIO_SPI_EN, RT305X_GPIO_SPI_CLK);
+
+	t = mode >> RT305X_GPIO_MODE_UART0_SHIFT;
+	t &= RT305X_GPIO_MODE_UART0_MASK;
 	switch (t) {
-	case SYSTEM_CONFIG_CPUCLK_320:
-		rt305x_cpu_freq = 320000000;
+	case RT305X_GPIO_MODE_UARTF:
+	case RT305X_GPIO_MODE_PCM_UARTF:
+	case RT305X_GPIO_MODE_PCM_I2S:
+	case RT305X_GPIO_MODE_I2S_UARTF:
+		rt305x_gpio_reserve(RT305X_GPIO_7, RT305X_GPIO_14);
 		break;
-	case SYSTEM_CONFIG_CPUCLK_384:
-		rt305x_cpu_freq = 384000000;
+	case RT305X_GPIO_MODE_PCM_GPIO:
+		rt305x_gpio_reserve(RT305X_GPIO_10, RT305X_GPIO_14);
+		break;
+	case RT305X_GPIO_MODE_GPIO_UARTF:
+	case RT305X_GPIO_MODE_GPIO_I2S:
+		rt305x_gpio_reserve(RT305X_GPIO_7, RT305X_GPIO_10);
 		break;
 	}
 
-	rt305x_sys_freq = rt305x_cpu_freq / 3;
+	if ((mode & RT305X_GPIO_MODE_UART1) == 0)
+		rt305x_gpio_reserve(RT305X_GPIO_UART1_TXD,
+				    RT305X_GPIO_UART1_RXD);
+
+	if ((mode & RT305X_GPIO_MODE_JTAG) == 0)
+		rt305x_gpio_reserve(RT305X_GPIO_JTAG_TDO, RT305X_GPIO_JTAG_TDI);
+
+	if ((mode & RT305X_GPIO_MODE_MDIO) == 0)
+		rt305x_gpio_reserve(RT305X_GPIO_MDIO_MDC,
+				    RT305X_GPIO_MDIO_MDIO);
+
+	if ((mode & RT305X_GPIO_MODE_SDRAM) == 0)
+		rt305x_gpio_reserve(RT305X_GPIO_SDRAM_MD16,
+				    RT305X_GPIO_SDRAM_MD31);
+
+	if ((mode & RT305X_GPIO_MODE_RGMII) == 0)
+		rt305x_gpio_reserve(RT305X_GPIO_GE0_TXD0,
+				    RT305X_GPIO_GE0_RXCLK);
 }