MIPS: Lantiq: Add support for the EASY98000 evaluation board

This patch adds the machine code for the EASY9800 evaluation board.

Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3256/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/lantiq/falcon/Kconfig b/arch/mips/lantiq/falcon/Kconfig
new file mode 100644 (file)
index 0000000..03e999d
--- /dev/null
+++ b/arch/mips/lantiq/falcon/Kconfig
@@ -0,0 +1,11 @@
+if SOC_FALCON
+
+menu "MIPS Machine"
+
+config LANTIQ_MACH_EASY98000
+       bool "Easy98000"
+       default y
+
+endmenu
+
+endif

diff --git a/arch/mips/lantiq/falcon/Makefile b/arch/mips/lantiq/falcon/Makefile
index de72209db19807147f681b6b6a3f5d4a9d491671..56b22eb5865c5c493dbce454835372377400684f 100644 (file)
--- a/arch/mips/lantiq/falcon/Makefile
+++ b/arch/mips/lantiq/falcon/Makefile
@@ -1 +1,2 @@
 obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o
+obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o

diff --git a/arch/mips/lantiq/falcon/mach-easy98000.c b/arch/mips/lantiq/falcon/mach-easy98000.c
new file mode 100644 (file)
index 0000000..361b8f0
--- /dev/null
+++ b/arch/mips/lantiq/falcon/mach-easy98000.c
@@ -0,0 +1,110 @@
+/*
+ *  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.
+ *
+ *  Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
+ *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/platform_device.h>
+#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/spi/eeprom.h>
+
+#include "../machtypes.h"
+
+#include "devices.h"
+
+static struct mtd_partition easy98000_nor_partitions[] = {
+       {
+               .name   = "uboot",
+               .offset = 0x0,
+               .size   = 0x40000,
+       },
+       {
+               .name   = "uboot_env",
+               .offset = 0x40000,
+               .size   = 0x40000,      /* 2 sectors for redundant env. */
+       },
+       {
+               .name   = "linux",
+               .offset = 0x80000,
+               .size   = 0xF80000,     /* map only 16 MiB */
+       },
+};
+
+struct physmap_flash_data easy98000_nor_flash_data = {
+       .nr_parts       = ARRAY_SIZE(easy98000_nor_partitions),
+       .parts          = easy98000_nor_partitions,
+};
+
+/* setup gpio based spi bus/device for access to the eeprom on the board */
+#define SPI_GPIO_MRST          102
+#define SPI_GPIO_MTSR          103
+#define SPI_GPIO_CLK           104
+#define SPI_GPIO_CS0           105
+#define SPI_GPIO_CS1           106
+#define SPI_GPIO_BUS_NUM       1
+
+static struct spi_gpio_platform_data easy98000_spi_gpio_data = {
+       .sck            = SPI_GPIO_CLK,
+       .mosi           = SPI_GPIO_MTSR,
+       .miso           = SPI_GPIO_MRST,
+       .num_chipselect = 2,
+};
+
+static struct platform_device easy98000_spi_gpio_device = {
+       .name                   = "spi_gpio",
+       .id                     = SPI_GPIO_BUS_NUM,
+       .dev.platform_data      = &easy98000_spi_gpio_data,
+};
+
+static struct spi_eeprom at25160n = {
+       .byte_len       = 16 * 1024 / 8,
+       .name           = "at25160n",
+       .page_size      = 32,
+       .flags          = EE_ADDR2,
+};
+
+static struct spi_board_info easy98000_spi_gpio_devices __initdata = {
+       .modalias               = "at25",
+       .bus_num                = SPI_GPIO_BUS_NUM,
+       .max_speed_hz           = 1000 * 1000,
+       .mode                   = SPI_MODE_3,
+       .chip_select            = 1,
+       .controller_data        = (void *) SPI_GPIO_CS1,
+       .platform_data          = &at25160n,
+};
+
+static void __init
+easy98000_init_common(void)
+{
+       spi_register_board_info(&easy98000_spi_gpio_devices, 1);
+       platform_device_register(&easy98000_spi_gpio_device);
+}
+
+static void __init
+easy98000_init(void)
+{
+       easy98000_init_common();
+       ltq_register_nor(&easy98000_nor_flash_data);
+}
+
+static void __init
+easy98000nand_init(void)
+{
+       easy98000_init_common();
+       falcon_register_nand();
+}
+
+MIPS_MACHINE(LANTIQ_MACH_EASY98000,
+                       "EASY98000",
+                       "EASY98000 Eval Board",
+                       easy98000_init);
+
+MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND,
+                       "EASY98000NAND",
+                       "EASY98000 Eval Board (NAND Flash)",
+                       easy98000nand_init);

diff --git a/arch/mips/lantiq/machtypes.h b/arch/mips/lantiq/machtypes.h
index 7e01b8c484eb07ab77abcb30bc623353282ad723..dfc6af7cdcd54258ab484a3735b51e2af8eddcfe 100644 (file)
--- a/arch/mips/lantiq/machtypes.h
+++ b/arch/mips/lantiq/machtypes.h
@@ -15,6 +15,11 @@ enum lantiq_mach_type {
        LTQ_MACH_GENERIC = 0,
        LTQ_MACH_EASY50712,     /* Danube evaluation board */
        LTQ_MACH_EASY50601,     /* Amazon SE evaluation board */
+
+       /* FALCON */
+       LANTIQ_MACH_EASY98000,          /* Falcon Eval Board, NOR Flash */
+       LANTIQ_MACH_EASY98000SF,        /* Falcon Eval Board, Serial Flash */
+       LANTIQ_MACH_EASY98000NAND,      /* Falcon Eval Board, NAND Flash */
 };
 
 #endif