167 lines
4.4 KiB
Diff
167 lines
4.4 KiB
Diff
From ec6ba0f79c010a878d679c057fb6306b50a201b0 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Thu, 11 Aug 2011 14:09:35 +0200
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Subject: [PATCH 08/24] MIPS: lantiq: add support for the EASY98000 evaluation
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board
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This patch adds the machine code for the EASY9800 evaluation board.
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Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Cc: linux-mips@linux-mips.org
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---
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arch/mips/lantiq/falcon/Kconfig | 11 +++
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arch/mips/lantiq/falcon/Makefile | 1 +
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arch/mips/lantiq/falcon/mach-easy98000.c | 110 ++++++++++++++++++++++++++++++
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arch/mips/lantiq/machtypes.h | 5 ++
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4 files changed, 127 insertions(+), 0 deletions(-)
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create mode 100644 arch/mips/lantiq/falcon/Kconfig
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create mode 100644 arch/mips/lantiq/falcon/mach-easy98000.c
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--- /dev/null
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+++ b/arch/mips/lantiq/falcon/Kconfig
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@@ -0,0 +1,11 @@
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+if SOC_FALCON
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+
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+menu "MIPS Machine"
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+
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+config LANTIQ_MACH_EASY98000
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+ bool "Easy98000"
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+ default y
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+
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+endmenu
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+
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+endif
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--- a/arch/mips/lantiq/falcon/Makefile
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+++ b/arch/mips/lantiq/falcon/Makefile
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@@ -1 +1,2 @@
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obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o
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+obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o
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--- /dev/null
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+++ b/arch/mips/lantiq/falcon/mach-easy98000.c
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@@ -0,0 +1,110 @@
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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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+ * Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
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+ * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
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+ */
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+
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+#include <linux/platform_device.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/spi_gpio.h>
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+#include <linux/spi/eeprom.h>
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+
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+#include "../machtypes.h"
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+
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+#include "devices.h"
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+
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+static struct mtd_partition easy98000_nor_partitions[] = {
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+ {
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+ .name = "uboot",
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+ .offset = 0x0,
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+ .size = 0x40000,
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+ },
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+ {
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+ .name = "uboot_env",
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+ .offset = 0x40000,
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+ .size = 0x40000, /* 2 sectors for redundant env. */
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+ },
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+ {
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+ .name = "linux",
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+ .offset = 0x80000,
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+ .size = 0xF80000, /* map only 16 MiB */
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+ },
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+};
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+
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+struct physmap_flash_data easy98000_nor_flash_data = {
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+ .nr_parts = ARRAY_SIZE(easy98000_nor_partitions),
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+ .parts = easy98000_nor_partitions,
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+};
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+
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+/* setup gpio based spi bus/device for access to the eeprom on the board */
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+#define SPI_GPIO_MRST 102
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+#define SPI_GPIO_MTSR 103
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+#define SPI_GPIO_CLK 104
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+#define SPI_GPIO_CS0 105
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+#define SPI_GPIO_CS1 106
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+#define SPI_GPIO_BUS_NUM 1
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+
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+static struct spi_gpio_platform_data easy98000_spi_gpio_data = {
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+ .sck = SPI_GPIO_CLK,
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+ .mosi = SPI_GPIO_MTSR,
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+ .miso = SPI_GPIO_MRST,
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+ .num_chipselect = 2,
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+};
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+
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+static struct platform_device easy98000_spi_gpio_device = {
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+ .name = "spi_gpio",
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+ .id = SPI_GPIO_BUS_NUM,
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+ .dev.platform_data = &easy98000_spi_gpio_data,
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+};
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+
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+static struct spi_eeprom at25160n = {
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+ .byte_len = 16 * 1024 / 8,
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+ .name = "at25160n",
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+ .page_size = 32,
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+ .flags = EE_ADDR2,
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+};
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+
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+static struct spi_board_info easy98000_spi_gpio_devices __initdata = {
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+ .modalias = "at25",
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+ .bus_num = SPI_GPIO_BUS_NUM,
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+ .max_speed_hz = 1000 * 1000,
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+ .mode = SPI_MODE_3,
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+ .chip_select = 1,
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+ .controller_data = (void *) SPI_GPIO_CS1,
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+ .platform_data = &at25160n,
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+};
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+
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+static void __init
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+easy98000_init_common(void)
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+{
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+ spi_register_board_info(&easy98000_spi_gpio_devices, 1);
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+ platform_device_register(&easy98000_spi_gpio_device);
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+}
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+
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+static void __init
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+easy98000_init(void)
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+{
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+ easy98000_init_common();
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+ ltq_register_nor(&easy98000_nor_flash_data);
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+}
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+
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+static void __init
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+easy98000nand_init(void)
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+{
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+ easy98000_init_common();
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+ falcon_register_nand();
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+}
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+
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+MIPS_MACHINE(LANTIQ_MACH_EASY98000,
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+ "EASY98000",
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+ "EASY98000 Eval Board",
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+ easy98000_init);
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+
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+MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND,
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+ "EASY98000NAND",
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+ "EASY98000 Eval Board (NAND Flash)",
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+ easy98000nand_init);
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--- a/arch/mips/lantiq/machtypes.h
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+++ b/arch/mips/lantiq/machtypes.h
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@@ -15,6 +15,11 @@ enum lantiq_mach_type {
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LTQ_MACH_GENERIC = 0,
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LTQ_MACH_EASY50712, /* Danube evaluation board */
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LTQ_MACH_EASY50601, /* Amazon SE evaluation board */
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+
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+ /* FALCON */
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+ LANTIQ_MACH_EASY98000, /* Falcon Eval Board, NOR Flash */
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+ LANTIQ_MACH_EASY98000SF, /* Falcon Eval Board, Serial Flash */
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+ LANTIQ_MACH_EASY98000NAND, /* Falcon Eval Board, NAND Flash */
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};
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#endif
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