ar71xx: add kernel support for the OpenMesh MR900 board

Signed-off-by: Sven Eckelmann <sven@open-mesh.com>

SVN-Revision: 43258

1 files changed, 158 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-mr900.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-mr900.c
new file mode 100644
index 0000000000..5bbffb1108
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-mr900.c
@@ -0,0 +1,158 @@
+/*
+ * MR900 board support
+ *
+ * Copyright (c) 2012 Qualcomm Atheros
+ * Copyright (c) 2012-2013 Marek Lindner <marek@open-mesh.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/ar8216_platform.h>
+#include <linux/ath9k_platform.h>
+
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include "common.h"
+#include "dev-ap9x-pci.h"
+#include "dev-gpio-buttons.h"
+#include "dev-eth.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+#include "pci.h"
+
+#define MR900_GPIO_LED_LAN		12
+#define MR900_GPIO_LED_WLAN_2G		13
+#define MR900_GPIO_LED_STATUS_GREEN	19
+#define MR900_GPIO_LED_STATUS_RED	21
+#define MR900_GPIO_LED_POWER		22
+#define MR900_GPIO_LED_WLAN_5G		23
+
+#define MR900_GPIO_BTN_RESET		17
+
+#define MR900_KEYS_POLL_INTERVAL	20	/* msecs */
+#define MR900_KEYS_DEBOUNCE_INTERVAL	(3 * MR900_KEYS_POLL_INTERVAL)
+
+#define MR900_MAC0_OFFSET		0
+#define MR900_WMAC_CALDATA_OFFSET	0x1000
+#define MR900_PCIE_CALDATA_OFFSET	0x5000
+
+static struct gpio_led mr900_leds_gpio[] __initdata = {
+	{
+		.name		= "mr900:blue:power",
+		.gpio		= MR900_GPIO_LED_POWER,
+		.active_low	= 1,
+	},
+	{
+		.name		= "mr900:blue:wan",
+		.gpio		= MR900_GPIO_LED_LAN,
+		.active_low	= 1,
+	},
+	{
+		.name		= "mr900:blue:wlan24",
+		.gpio		= MR900_GPIO_LED_WLAN_2G,
+		.active_low	= 1,
+	},
+	{
+		.name		= "mr900:blue:wlan58",
+		.gpio		= MR900_GPIO_LED_WLAN_5G,
+		.active_low	= 1,
+	},
+	{
+		.name		= "mr900:green:status",
+		.gpio		= MR900_GPIO_LED_STATUS_GREEN,
+		.active_low	= 1,
+	},
+	{
+		.name		= "mr900:red:status",
+		.gpio		= MR900_GPIO_LED_STATUS_RED,
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_button mr900_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = MR900_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= MR900_GPIO_BTN_RESET,
+		.active_low	= 1,
+	},
+};
+
+
+static void __init mr900_gmac_setup(void)
+{
+	void __iomem *base;
+	u32 t;
+
+	base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
+
+	t = __raw_readl(base + QCA955X_GMAC_REG_ETH_CFG);
+
+	t &= ~(QCA955X_ETH_CFG_RGMII_EN | QCA955X_ETH_CFG_GE0_SGMII);
+	t |= QCA955X_ETH_CFG_RGMII_EN;
+
+	__raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
+
+	iounmap(base);
+}
+
+static void __init mr900_setup(void)
+{
+	u8 *art = (u8 *)KSEG1ADDR(0x1fff0000);
+	u8 mac[6], pcie_mac[6];
+	struct ath9k_platform_data *pdata;
+
+	ath79_eth0_pll_data.pll_1000 = 0xbe000101;
+	ath79_eth0_pll_data.pll_100 = 0x80000101;
+	ath79_eth0_pll_data.pll_10 = 0x80001313;
+
+	ath79_register_m25p80(NULL);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(mr900_leds_gpio),
+				 mr900_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, MR900_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(mr900_gpio_keys),
+					mr900_gpio_keys);
+
+	ath79_init_mac(mac, art + MR900_MAC0_OFFSET, 1);
+	ath79_register_wmac(art + MR900_WMAC_CALDATA_OFFSET, mac);
+	ath79_init_mac(pcie_mac, art + MR900_MAC0_OFFSET, 16);
+	ap91_pci_init(art + MR900_PCIE_CALDATA_OFFSET, pcie_mac);
+	pdata = ap9x_pci_get_wmac_data(0);
+	if (!pdata) {
+		pr_err("mr900: unable to get address of wlan data\n");
+		return;
+	}
+	pdata->use_eeprom = true;
+
+	mr900_gmac_setup();
+
+	ath79_register_mdio(0, 0x0);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, art + MR900_MAC0_OFFSET, 0);
+
+	/* GMAC0 is connected to the RMGII interface */
+	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+	ath79_eth0_data.phy_mask = BIT(5);
+	ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
+
+	ath79_register_eth(0);
+}
+
+MIPS_MACHINE(ATH79_MACH_MR900, "MR900", "OpenMesh MR900", mr900_setup);