* MikroTik RouterBOARD 2011 support
*
* Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
+ * Copyright (C) 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.
*/
+#define pr_fmt(fmt) "rb2011: " fmt
+
#include <linux/phy.h>
+#include <linux/delay.h>
#include <linux/platform_device.h>
+#include <linux/ath9k_platform.h>
#include <linux/ar8216_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/flash.h>
+#include <linux/rle.h>
+#include <linux/routerboot.h>
+#include <linux/gpio.h>
+#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-m25p80.h"
+#include "dev-nfc.h"
+#include "dev-wmac.h"
#include "machtypes.h"
+#include "routerboot.h"
+
+#define RB2011_GPIO_NAND_NCE 14
+
+#define RB_ROUTERBOOT_OFFSET 0x0000
+#define RB_ROUTERBOOT_SIZE 0xb000
+#define RB_HARD_CFG_OFFSET 0xb000
+#define RB_HARD_CFG_SIZE 0x1000
+#define RB_BIOS_OFFSET 0xd000
+#define RB_BIOS_SIZE 0x2000
+#define RB_SOFT_CFG_OFFSET 0xf000
+#define RB_SOFT_CFG_SIZE 0x1000
+
+#define RB_ART_SIZE 0x10000
+
+static struct mtd_partition rb2011_spi_partitions[] = {
+ {
+ .name = "routerboot",
+ .offset = RB_ROUTERBOOT_OFFSET,
+ .size = RB_ROUTERBOOT_SIZE,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "hard_config",
+ .offset = RB_HARD_CFG_OFFSET,
+ .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",
+ .offset = RB_SOFT_CFG_OFFSET,
+ .size = RB_SOFT_CFG_SIZE,
+ }
+};
+
+static struct mtd_partition rb2011_nand_partitions[] = {
+ {
+ .name = "booter",
+ .offset = 0,
+ .size = (256 * 1024),
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = (256 * 1024),
+ .size = (4 * 1024 * 1024) - (256 * 1024),
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct flash_platform_data rb2011_spi_flash_data = {
+ .parts = rb2011_spi_partitions,
+ .nr_parts = ARRAY_SIZE(rb2011_spi_partitions),
+};
static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = {
.mode = AR8327_PAD_MAC_RGMII,
},
};
-static void __init rb2011_gmac_setup(void)
+static void __init rb2011_wlan_init(void)
{
- void __iomem *base;
- u32 t;
+ u8 *hard_cfg = (u8 *) KSEG1ADDR(0x1f000000 + RB_HARD_CFG_OFFSET);
+ u16 tag_len;
+ u8 *tag;
+ char *art_buf;
+ u8 wlan_mac[ETH_ALEN];
+ int err;
- base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
+ err = routerboot_find_tag(hard_cfg, RB_HARD_CFG_SIZE, RB_ID_WLAN_DATA,
+ &tag, &tag_len);
+ if (err) {
+ pr_err("no calibration data found\n");
+ return;
+ }
- t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
- t &= ~(AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_MII_GMAC0 |
- AR934X_ETH_CFG_GMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE);
- t |= AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE;
+ art_buf = kmalloc(RB_ART_SIZE, GFP_KERNEL);
+ if (art_buf == NULL) {
+ pr_err("no memory for calibration data\n");
+ return;
+ }
- __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
+ err = rle_decode((char *) tag, tag_len, art_buf, RB_ART_SIZE,
+ NULL, NULL);
+ if (err) {
+ pr_err("unable to decode calibration data\n");
+ goto free;
+ }
- iounmap(base);
+ ath79_init_mac(wlan_mac, ath79_mac_base, 11);
+ ath79_register_wmac(art_buf + 0x1000, wlan_mac);
+
+free:
+ kfree(art_buf);
+}
+
+static void rb2011_nand_select_chip(int chip_no)
+{
+ switch (chip_no) {
+ case 0:
+ gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
+ break;
+ default:
+ gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
+ break;
+ }
+ ndelay(500);
+}
+
+static struct nand_ecclayout rb2011_nand_ecclayout = {
+ .eccbytes = 6,
+ .eccpos = { 8, 9, 10, 13, 14, 15 },
+ .oobavail = 9,
+ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
+};
+
+static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
+{
+ struct nand_chip *chip = mtd->priv;
+
+ if (mtd->writesize == 512) {
+ /*
+ * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
+ * will not be able to find the kernel that we load.
+ */
+ chip->ecc.layout = &rb2011_nand_ecclayout;
+ }
+
+ return 0;
+}
+
+static void __init rb2011_nand_init(void)
+{
+ ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
+ ath79_nfc_set_parts(rb2011_nand_partitions,
+ ARRAY_SIZE(rb2011_nand_partitions));
+ ath79_nfc_set_select_chip(rb2011_nand_select_chip);
+ ath79_nfc_set_swap_dma(true);
+ ath79_register_nfc();
+}
+
+static void __init rb2011_gpio_init(void)
+{
+ gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
}
static void __init rb2011_setup(void)
{
- ath79_register_m25p80(NULL);
+ rb2011_gpio_init();
- rb2011_gmac_setup();
+ ath79_register_m25p80(&rb2011_spi_flash_data);
+ rb2011_nand_init();
+
+ ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
+ AR934X_ETH_CFG_SW_ONLY_MODE);
ath79_register_mdio(1, 0x0);
ath79_register_mdio(0, 0x0);
MIPS_MACHINE(ATH79_MACH_RB_2011L, "2011L", "MikroTik RouterBOARD 2011L",
rb2011_setup);
+
+static void __init rb2011g_setup(void)
+{
+ rb2011_setup();
+ rb2011_wlan_init();
+}
+
+MIPS_MACHINE(ATH79_MACH_RB_2011G, "2011G", "MikroTik RouterBOARD 2011UAS-2HnD",
+ rb2011g_setup);
projects / openwrt.git / blobdiff