ar71xx: add initial support for RB750GL

[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
index 524b385f2d601093dab773b18e4aa4b808bb95c8..3187e8f34c3de5edb98b31ae8384829295dbc67b 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
@@ -10,6 +10,8 @@
 
 #include <linux/export.h>
 #include <linux/platform_device.h>
+#include <linux/phy.h>
+#include <linux/ar8216_platform.h>
 
 #include <asm/mach-ath79/ar71xx_regs.h>
 #include <asm/mach-ath79/ath79.h>
@@ -47,6 +49,14 @@ static struct rb750_led_data rb750_leds[] = {
        }
 };
 
+static struct rb750_led_data rb750gr3_leds[] = {
+       {
+               .name           = "rb750:green:act",
+               .mask           = RB7XX_LED_ACT,
+               .active_low     = 1,
+       },
+};
+
 static struct rb750_led_platform_data rb750_leds_data;
 static struct platform_device rb750_leds_device = {
        .name   = "leds-rb750",
@@ -155,3 +165,108 @@ static void __init rb750_setup(void)
 
 MIPS_MACHINE(ATH79_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",
             rb750_setup);
+
+static struct ar8327_pad_cfg rb750gr3_ar8327_pad0_cfg = {
+       .mode = AR8327_PAD_MAC_RGMII,
+       .txclk_delay_en = true,
+       .rxclk_delay_en = true,
+       .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
+       .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
+};
+
+static struct ar8327_platform_data rb750gr3_ar8327_data = {
+       .pad0_cfg = &rb750gr3_ar8327_pad0_cfg,
+       .cpuport_cfg = {
+               .force_link = 1,
+               .speed = AR8327_PORT_SPEED_100,
+               .duplex = 1,
+               .txpause = 1,
+               .rxpause = 1,
+       }
+};
+
+static struct mdio_board_info rb750g3_mdio_info[] = {
+       {
+               .bus_id = "ag71xx-mdio.0",
+               .phy_addr = 0,
+               .platform_data = &rb750gr3_ar8327_data,
+       },
+};
+
+static void rb750gr3_nand_enable_pins(void)
+{
+       ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
+                                 AR724X_GPIO_FUNC_SPI_EN |
+                                 AR724X_GPIO_FUNC_SPI_CS_EN2);
+}
+
+static void rb750gr3_nand_disable_pins(void)
+{
+       ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN |
+                                 AR724X_GPIO_FUNC_SPI_CS_EN2,
+                                 AR724X_GPIO_FUNC_JTAG_DISABLE);
+}
+
+static void rb750gr3_latch_change(u32 mask_clr, u32 mask_set)
+{
+       static DEFINE_SPINLOCK(lock);
+       static u32 latch_set = RB7XX_LED_ACT;
+       static u32 latch_clr;
+       void __iomem *base = ath79_gpio_base;
+       unsigned long flags;
+       u32 t;
+
+       spin_lock_irqsave(&lock, flags);
+
+       latch_set = (latch_set | mask_set) & ~mask_clr;
+       latch_clr = (latch_clr | mask_clr) & ~mask_set;
+
+       mask_set = latch_set & (RB7XX_USB_POWERON | RB7XX_MONITOR);
+       mask_clr = latch_clr & (RB7XX_USB_POWERON | RB7XX_MONITOR);
+
+       if ((latch_set ^ RB7XX_LED_ACT) & RB7XX_LED_ACT) {
+               /* enable output mode */
+               t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+               t |= RB7XX_LED_ACT;
+               __raw_writel(t, base + AR71XX_GPIO_REG_OE);
+
+               mask_clr |= RB7XX_LED_ACT;
+       } else {
+               /* disable output mode */
+               t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+               t &= ~RB7XX_LED_ACT;
+               __raw_writel(t, base + AR71XX_GPIO_REG_OE);
+       }
+
+       __raw_writel(mask_set, base + AR71XX_GPIO_REG_SET);
+       __raw_writel(mask_clr, base + AR71XX_GPIO_REG_CLEAR);
+
+       spin_unlock_irqrestore(&lock, flags);
+}
+
+static void __init rb750gr3_setup(void)
+{
+       ath79_register_mdio(0, 0x0);
+       mdiobus_register_board_info(rb750g3_mdio_info,
+                                   ARRAY_SIZE(rb750g3_mdio_info));
+
+       ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
+       ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+       ath79_eth0_data.phy_mask = BIT(0);
+
+       ath79_register_eth(0);
+
+       rb750_leds_data.num_leds = ARRAY_SIZE(rb750gr3_leds);
+       rb750_leds_data.leds = rb750gr3_leds;
+       rb750_leds_data.latch_change = rb750gr3_latch_change;
+       platform_device_register(&rb750_leds_device);
+
+       rb750_nand_data.nce_line = RB7XX_NAND_NCE;
+       rb750_nand_data.enable_pins = rb750gr3_nand_enable_pins;
+       rb750_nand_data.disable_pins = rb750gr3_nand_disable_pins;
+       rb750_nand_data.latch_change = rb750gr3_latch_change;
+       platform_device_register(&rb750_nand_device);
+}
+
+MIPS_MACHINE(ATH79_MACH_RB_750G_R3, "750Gr3", "MikroTik RouterBOARD 750GL",
+            rb750gr3_setup);