ar71xx: add initial support for the Mikrotik RB911G/RB912UAG boards

[openwrt/openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-rb91x.c

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c
new file mode 100644 (file)
index 0000000..65d9ee5
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c
@@ -0,0 +1,176 @@
+/*
+ *  MikroTik RouterBOARD 91X support
+ *
+ *  Copyright (C) 2013 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.
+ */
+
+#define pr_fmt(fmt) "rb91x: " fmt
+
+#include <linux/phy.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/ath9k_platform.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/74x164.h>
+#include <linux/spi/flash.h>
+#include <linux/routerboot.h>
+#include <linux/gpio.h>
+
+#include <asm/prom.h>
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ath79_spi_platform.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include "common.h"
+#include "dev-eth.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-nfc.h"
+#include "dev-usb.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+#include "pci.h"
+#include "routerboot.h"
+
+#define RB_ROUTERBOOT_OFFSET   0x0000
+#define RB_ROUTERBOOT_MIN_SIZE 0xb000
+#define RB_HARD_CFG_SIZE       0x1000
+#define RB_BIOS_OFFSET         0xd000
+#define RB_BIOS_SIZE           0x1000
+#define RB_SOFT_CFG_OFFSET     0xf000
+#define RB_SOFT_CFG_SIZE       0x1000
+
+#define RB91X_FLAG_USB         BIT(0)
+#define RB91X_FLAG_PCIE                BIT(1)
+
+struct rb_board_info {
+       const char *name;
+       u32 flags;
+};
+
+static struct mtd_partition rb711gr100_spi_partitions[] = {
+       {
+               .name           = "routerboot",
+               .offset         = RB_ROUTERBOOT_OFFSET,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "hard_config",
+               .size           = RB_HARD_CFG_SIZE,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "bios",
+               .offset         = RB_BIOS_OFFSET,
+               .size           = RB_BIOS_SIZE,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "soft_config",
+               .size           = RB_SOFT_CFG_SIZE,
+       }
+};
+
+static struct flash_platform_data rb711gr100_spi_flash_data = {
+       .parts          = rb711gr100_spi_partitions,
+       .nr_parts       = ARRAY_SIZE(rb711gr100_spi_partitions),
+};
+
+static void __init rb711gr100_init_partitions(const struct rb_info *info)
+{
+       rb711gr100_spi_partitions[0].size = info->hard_cfg_offs;
+       rb711gr100_spi_partitions[1].offset = info->hard_cfg_offs;
+
+       rb711gr100_spi_partitions[3].offset = info->soft_cfg_offs;
+}
+
+void __init rb711gr100_wlan_init(void)
+{
+       char *caldata;
+       u8 wlan_mac[ETH_ALEN];
+
+       caldata = rb_get_wlan_data();
+       if (caldata == NULL)
+               return;
+
+       ath79_init_mac(wlan_mac, ath79_mac_base, 1);
+       ath79_register_wmac(caldata + 0x1000, wlan_mac);
+
+       kfree(caldata);
+}
+
+#define RB_BOARD_INFO(_name, _flags)   \
+       {                               \
+               .name = (_name),        \
+               .flags = (_flags),      \
+       }
+
+static const struct rb_board_info rb711gr100_boards[] __initconst = {
+       RB_BOARD_INFO("911G-2HPnD", 0),
+       RB_BOARD_INFO("911G-5HPnD", 0),
+       RB_BOARD_INFO("912UAG-2HPnD", RB91X_FLAG_USB | RB91X_FLAG_PCIE),
+       RB_BOARD_INFO("912UAG-5HPnD", RB91X_FLAG_USB | RB91X_FLAG_PCIE),
+};
+
+static u32 rb711gr100_get_flags(const struct rb_info *info)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(rb711gr100_boards); i++) {
+               const struct rb_board_info *bi;
+
+               bi = &rb711gr100_boards[i];
+               if (strcmp(info->board_name, bi->name) == 0)
+                       return bi->flags;
+       }
+
+       return 0;
+}
+
+static void __init rb711gr100_setup(void)
+{
+       const struct rb_info *info;
+       char buf[64];
+       u32 flags;
+
+       info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
+       if (!info)
+               return;
+
+       scnprintf(buf, sizeof(buf), "Mikrotik RouterBOARD %s",
+                 (info->board_name) ? info->board_name : "");
+       mips_set_machine_name(buf);
+
+       rb711gr100_init_partitions(info);
+       ath79_register_m25p80(&rb711gr100_spi_flash_data);
+
+       ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
+                                  AR934X_ETH_CFG_SW_ONLY_MODE);
+
+       ath79_register_mdio(0, 0x0);
+
+       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);
+
+       rb711gr100_wlan_init();
+
+       platform_device_register_simple("rb91x-nand", -1, NULL, 0);
+
+       flags = rb711gr100_get_flags(info);
+
+       if (flags & RB91X_FLAG_USB)
+               ath79_register_usb();
+
+       if (flags & RB91X_FLAG_PCIE)
+               ath79_register_pci();
+
+}
+
+MIPS_MACHINE_NONAME(ATH79_MACH_RB_711GR100, "711Gr100", rb711gr100_setup);