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14d95026b2
The RB91x boards are using a serial shift register connected to the SPI bus to drive some of the LEDs. Rework the board setup code to register a SPI device for that. This makes it possible to use the 'spi-74x164' driver to control the device. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39703
280 lines
7.2 KiB
C
280 lines
7.2 KiB
C
/*
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* MikroTik RouterBOARD 91X support
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*
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* Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#define pr_fmt(fmt) "rb91x: " fmt
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#include <linux/phy.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/ath9k_platform.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/74x164.h>
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#include <linux/spi/flash.h>
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#include <linux/routerboot.h>
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#include <linux/gpio.h>
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#include <linux/platform_data/gpio-latch.h>
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#include <linux/platform_data/rb91x_nand.h>
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#include <asm/prom.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ath79_spi_platform.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-eth.h"
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#include "dev-leds-gpio.h"
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#include "dev-nfc.h"
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#include "dev-usb.h"
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#include "dev-spi.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#include "pci.h"
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#include "routerboot.h"
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#define RB_ROUTERBOOT_OFFSET 0x0000
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#define RB_ROUTERBOOT_MIN_SIZE 0xb000
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#define RB_HARD_CFG_SIZE 0x1000
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#define RB_BIOS_OFFSET 0xd000
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#define RB_BIOS_SIZE 0x1000
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#define RB_SOFT_CFG_OFFSET 0xf000
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#define RB_SOFT_CFG_SIZE 0x1000
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#define RB91X_FLAG_USB BIT(0)
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#define RB91X_FLAG_PCIE BIT(1)
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#define RB91X_LATCH_GPIO_BASE AR934X_GPIO_COUNT
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#define RB91X_LATCH_GPIO(_x) (RB91X_LATCH_GPIO_BASE + (_x))
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#define RB91X_SSR_GPIO_BASE (RB91X_LATCH_GPIO_BASE + AR934X_GPIO_COUNT)
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#define RB91X_SSR_GPIO(_x) (RB91X_SSR_GPIO_BASE + (_x))
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#define RB91X_SSR_BIT_LED1 0
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#define RB91X_SSR_BIT_LED2 1
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#define RB91X_SSR_BIT_LED3 2
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#define RB91X_SSR_BIT_LED4 3
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#define RB91X_SSR_BIT_LED5 4
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#define RB91X_SSR_BIT_5 5
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#define RB91X_SSR_BIT_USB_POWER 6
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#define RB91X_SSR_BIT_PCIE_POWER 7
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#define RB91X_GPIO_SSR_STROBE RB91X_LATCH_GPIO(0)
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#define RB91X_GPIO_NAND_READ RB91X_LATCH_GPIO(3)
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#define RB91X_GPIO_NAND_RDY RB91X_LATCH_GPIO(4)
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#define RB91X_GPIO_NLE RB91X_LATCH_GPIO(11)
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#define RB91X_GPIO_NAND_NRW RB91X_LATCH_GPIO(12)
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#define RB91X_GPIO_NAND_NCE RB91X_LATCH_GPIO(13)
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#define RB91X_GPIO_NAND_CLE RB91X_LATCH_GPIO(14)
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#define RB91X_GPIO_NAND_ALE RB91X_LATCH_GPIO(15)
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struct rb_board_info {
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const char *name;
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u32 flags;
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};
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static struct mtd_partition rb711gr100_spi_partitions[] = {
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{
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.name = "routerboot",
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.offset = RB_ROUTERBOOT_OFFSET,
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.mask_flags = MTD_WRITEABLE,
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}, {
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.name = "hard_config",
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.size = RB_HARD_CFG_SIZE,
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.mask_flags = MTD_WRITEABLE,
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}, {
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.name = "bios",
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.offset = RB_BIOS_OFFSET,
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.size = RB_BIOS_SIZE,
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.mask_flags = MTD_WRITEABLE,
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}, {
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.name = "soft_config",
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.size = RB_SOFT_CFG_SIZE,
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}
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};
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static struct flash_platform_data rb711gr100_spi_flash_data = {
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.parts = rb711gr100_spi_partitions,
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.nr_parts = ARRAY_SIZE(rb711gr100_spi_partitions),
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};
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static int rb711gr100_gpio_latch_gpios[AR934X_GPIO_COUNT] __initdata = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22
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};
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static struct gpio_latch_platform_data rb711gr100_gpio_latch_data __initdata = {
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.base = RB91X_LATCH_GPIO_BASE,
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.num_gpios = ARRAY_SIZE(rb711gr100_gpio_latch_gpios),
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.gpios = rb711gr100_gpio_latch_gpios,
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.le_gpio_index = 11,
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.le_active_low = true,
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};
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static struct rb91x_nand_platform_data rb711gr100_nand_data __initdata = {
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.gpio_nce = RB91X_GPIO_NAND_NCE,
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.gpio_ale = RB91X_GPIO_NAND_ALE,
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.gpio_cle = RB91X_GPIO_NAND_CLE,
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.gpio_rdy = RB91X_GPIO_NAND_RDY,
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.gpio_read = RB91X_GPIO_NAND_READ,
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.gpio_nrw = RB91X_GPIO_NAND_NRW,
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.gpio_nle = RB91X_GPIO_NLE,
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};
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static u8 rb711gr100_ssr_initdata[] __initdata = {
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BIT(RB91X_SSR_BIT_PCIE_POWER) |
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BIT(RB91X_SSR_BIT_USB_POWER) |
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BIT(RB91X_SSR_BIT_5)
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};
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static struct gen_74x164_chip_platform_data rb711gr100_ssr_data = {
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.base = RB91X_SSR_GPIO_BASE,
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.num_registers = ARRAY_SIZE(rb711gr100_ssr_initdata),
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.init_data = rb711gr100_ssr_initdata,
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};
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static struct ath79_spi_controller_data rb711gr100_spi0_cdata = {
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.cs_type = ATH79_SPI_CS_TYPE_INTERNAL,
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.cs_line = 0,
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.is_flash = true,
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};
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static struct ath79_spi_controller_data rb711gr100_spi1_cdata = {
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.cs_type = ATH79_SPI_CS_TYPE_GPIO,
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.cs_line = RB91X_GPIO_SSR_STROBE,
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};
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static struct spi_board_info rb711gr100_spi_info[] = {
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{
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.bus_num = 0,
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.chip_select = 0,
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.max_speed_hz = 25000000,
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.modalias = "m25p80",
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.platform_data = &rb711gr100_spi_flash_data,
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.controller_data = &rb711gr100_spi0_cdata
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}, {
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.bus_num = 0,
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.chip_select = 1,
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.max_speed_hz = 10000000,
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.modalias = "74x164",
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.platform_data = &rb711gr100_ssr_data,
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.controller_data = &rb711gr100_spi1_cdata
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}
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};
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static struct ath79_spi_platform_data rb711gr100_spi_data __initdata = {
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.bus_num = 0,
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.num_chipselect = 2,
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};
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static void __init rb711gr100_init_partitions(const struct rb_info *info)
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{
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rb711gr100_spi_partitions[0].size = info->hard_cfg_offs;
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rb711gr100_spi_partitions[1].offset = info->hard_cfg_offs;
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rb711gr100_spi_partitions[3].offset = info->soft_cfg_offs;
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}
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void __init rb711gr100_wlan_init(void)
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{
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char *caldata;
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u8 wlan_mac[ETH_ALEN];
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caldata = rb_get_wlan_data();
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if (caldata == NULL)
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return;
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ath79_init_mac(wlan_mac, ath79_mac_base, 1);
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ath79_register_wmac(caldata + 0x1000, wlan_mac);
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kfree(caldata);
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}
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#define RB_BOARD_INFO(_name, _flags) \
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{ \
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.name = (_name), \
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.flags = (_flags), \
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}
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static const struct rb_board_info rb711gr100_boards[] __initconst = {
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RB_BOARD_INFO("911G-2HPnD", 0),
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RB_BOARD_INFO("911G-5HPnD", 0),
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RB_BOARD_INFO("912UAG-2HPnD", RB91X_FLAG_USB | RB91X_FLAG_PCIE),
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RB_BOARD_INFO("912UAG-5HPnD", RB91X_FLAG_USB | RB91X_FLAG_PCIE),
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};
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static u32 rb711gr100_get_flags(const struct rb_info *info)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(rb711gr100_boards); i++) {
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const struct rb_board_info *bi;
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bi = &rb711gr100_boards[i];
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if (strcmp(info->board_name, bi->name) == 0)
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return bi->flags;
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}
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return 0;
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}
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static void __init rb711gr100_setup(void)
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{
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const struct rb_info *info;
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char buf[64];
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u32 flags;
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info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
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if (!info)
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return;
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scnprintf(buf, sizeof(buf), "Mikrotik RouterBOARD %s",
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(info->board_name) ? info->board_name : "");
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mips_set_machine_name(buf);
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rb711gr100_init_partitions(info);
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ath79_register_spi(&rb711gr100_spi_data, rb711gr100_spi_info,
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ARRAY_SIZE(rb711gr100_spi_info));
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ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
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AR934X_ETH_CFG_SW_ONLY_MODE);
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ath79_register_mdio(0, 0x0);
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ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
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ath79_eth0_data.phy_mask = BIT(0);
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ath79_eth0_pll_data.pll_1000 = 0x02000000;
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ath79_register_eth(0);
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rb711gr100_wlan_init();
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platform_device_register_data(NULL, "rb91x-nand", -1,
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&rb711gr100_nand_data,
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sizeof(rb711gr100_nand_data));
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platform_device_register_data(NULL, "gpio-latch", -1,
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&rb711gr100_gpio_latch_data,
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sizeof(rb711gr100_gpio_latch_data));
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flags = rb711gr100_get_flags(info);
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if (flags & RB91X_FLAG_USB)
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ath79_register_usb();
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if (flags & RB91X_FLAG_PCIE)
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ath79_register_pci();
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}
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MIPS_MACHINE_NONAME(ATH79_MACH_RB_711GR100, "711Gr100", rb711gr100_setup);
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