X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/60da4b4a94df250ac7cde9d73bdc97fb1ebc5774..1bd851b509d3a9236fb236fa6c4a861b53465540:/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 b2ab3cdf5..002aaebab 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c
@@ -14,12 +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/rt305x.h>
 #include <asm/mach-ralink/rt305x_regs.h>
 
-unsigned char rt305x_sys_type[RT305X_SYS_TYPE_LEN];
-
 unsigned long rt305x_cpu_freq;
 EXPORT_SYMBOL_GPL(rt305x_cpu_freq);
 
@@ -39,7 +39,7 @@ void __init rt305x_detect_sys_type(void)
 	n1 = rt305x_sysc_rr(SYSC_REG_CHIP_NAME1);
 	id = rt305x_sysc_rr(SYSC_REG_CHIP_ID);
 
-	snprintf(rt305x_sys_type, RT305X_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),
@@ -67,3 +67,60 @@ void __init rt305x_detect_sys_freq(void)
 
 	rt305x_sys_freq = rt305x_cpu_freq / 3;
 }
+
+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;
+
+	rt305x_sysc_wr(mode, SYSC_REG_GPIO_MODE);
+
+	ramips_gpio_init();
+	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 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 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;
+	}
+
+	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);
+}