/*
* 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
#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>
rt288x_sys_freq = rt288x_cpu_freq / 2;
}
+static void rt288x_gpio_reserve(int first, int last)
+{
+ 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();
+ 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);
+}