ar71xx: merge files-3.2 to files

[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-rb750.c

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
new file mode 100644 (file)
index 0000000..976617b
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
@@ -0,0 +1,154 @@
+/*
+ *  MikroTik RouterBOARD 750 support
+ *
+ *  Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/export.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/mach-rb750.h>
+
+#include "common.h"
+#include "dev-eth.h"
+#include "machtypes.h"
+
+static struct rb750_led_data rb750_leds[] = {
+       {
+               .name           = "rb750:green:act",
+               .mask           = RB750_LED_ACT,
+               .active_low     = 1,
+       }, {
+               .name           = "rb750:green:port1",
+               .mask           = RB750_LED_PORT5,
+               .active_low     = 1,
+       }, {
+               .name           = "rb750:green:port2",
+               .mask           = RB750_LED_PORT4,
+               .active_low     = 1,
+       }, {
+               .name           = "rb750:green:port3",
+               .mask           = RB750_LED_PORT3,
+               .active_low     = 1,
+       }, {
+               .name           = "rb750:green:port4",
+               .mask           = RB750_LED_PORT2,
+               .active_low     = 1,
+       }, {
+               .name           = "rb750:green:port5",
+               .mask           = RB750_LED_PORT1,
+               .active_low     = 1,
+       }
+};
+
+static struct rb750_led_platform_data rb750_leds_data = {
+       .num_leds       = ARRAY_SIZE(rb750_leds),
+       .leds           = rb750_leds,
+};
+
+static struct platform_device rb750_leds_device = {
+       .name   = "leds-rb750",
+       .dev    = {
+               .platform_data = &rb750_leds_data,
+       }
+};
+
+static struct platform_device rb750_nand_device = {
+       .name   = "rb750-nand",
+       .id     = -1,
+};
+
+int rb750_latch_change(u32 mask_clr, u32 mask_set)
+{
+       static DEFINE_SPINLOCK(lock);
+       static u32 latch_set = RB750_LED_BITS | RB750_LVC573_LE;
+       static u32 latch_oe;
+       static u32 latch_clr;
+       unsigned long flags;
+       u32 t;
+       int ret = 0;
+
+       spin_lock_irqsave(&lock, flags);
+
+       if ((mask_clr & BIT(31)) != 0 &&
+           (latch_set & RB750_LVC573_LE) == 0) {
+               goto unlock;
+       }
+
+       latch_set = (latch_set | mask_set) & ~mask_clr;
+       latch_clr = (latch_clr | mask_clr) & ~mask_set;
+
+       if (latch_oe == 0)
+               latch_oe = __raw_readl(ath79_gpio_base + AR71XX_GPIO_REG_OE);
+
+       if (likely(latch_set & RB750_LVC573_LE)) {
+               void __iomem *base = ath79_gpio_base;
+
+               t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+               t |= mask_clr | latch_oe | mask_set;
+
+               __raw_writel(t, base + AR71XX_GPIO_REG_OE);
+               __raw_writel(latch_clr, base + AR71XX_GPIO_REG_CLEAR);
+               __raw_writel(latch_set, base + AR71XX_GPIO_REG_SET);
+       } else if (mask_clr & RB750_LVC573_LE) {
+               void __iomem *base = ath79_gpio_base;
+
+               latch_oe = __raw_readl(base + AR71XX_GPIO_REG_OE);
+               __raw_writel(RB750_LVC573_LE, base + AR71XX_GPIO_REG_CLEAR);
+               /* flush write */
+               __raw_readl(base + AR71XX_GPIO_REG_CLEAR);
+       }
+
+       ret = 1;
+
+unlock:
+       spin_unlock_irqrestore(&lock, flags);
+       return ret;
+}
+EXPORT_SYMBOL_GPL(rb750_latch_change);
+
+void rb750_nand_pins_enable(void)
+{
+       ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
+                                 AR724X_GPIO_FUNC_SPI_EN);
+}
+EXPORT_SYMBOL_GPL(rb750_nand_pins_enable);
+
+void rb750_nand_pins_disable(void)
+{
+       ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
+                                 AR724X_GPIO_FUNC_JTAG_DISABLE);
+}
+EXPORT_SYMBOL_GPL(rb750_nand_pins_disable);
+
+static void __init rb750_setup(void)
+{
+       ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
+                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
+                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
+                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
+                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
+
+       ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
+       ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1);
+
+       ath79_register_mdio(0, 0x0);
+
+       /* LAN ports */
+       ath79_register_eth(1);
+
+       /* WAN port */
+       ath79_register_eth(0);
+
+       platform_device_register(&rb750_leds_device);
+       platform_device_register(&rb750_nand_device);
+}
+
+MIPS_MACHINE(ATH79_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",
+            rb750_setup);