#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);
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),
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);
+}