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authorGabor Juhos <juhosg@openwrt.org>2012-02-10 08:19:31 +0000
committerGabor Juhos <juhosg@openwrt.org>2012-02-10 08:19:31 +0000
commit0b6aaa98af5e16a8748b90415bf4c14f23742bf6 (patch)
treeeea102c2f0d65fbe93599835662652f111b4906e /target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
parent86ef5faaeee5be867272cf82644dcc8849fd9c1c (diff)
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ar71xx: merge files-3.2 to files
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30405 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c154
1 files changed, 154 insertions, 0 deletions
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
index 0000000000..976617bb36
--- /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);