Root/target/linux/lantiq/patches-3.0/0008-MIPS-lantiq-add-support-for-the-EASY98000-evaluation.patch

1From ec6ba0f79c010a878d679c057fb6306b50a201b0 Mon Sep 17 00:00:00 2001
2From: John Crispin <blogic@openwrt.org>
3Date: Thu, 11 Aug 2011 14:09:35 +0200
4Subject: [PATCH 08/24] MIPS: lantiq: add support for the EASY98000 evaluation
5 board
6
7This patch adds the machine code for the EASY9800 evaluation board.
8
9Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
10Signed-off-by: John Crispin <blogic@openwrt.org>
11Cc: linux-mips@linux-mips.org
12---
13 arch/mips/lantiq/falcon/Kconfig | 11 +++
14 arch/mips/lantiq/falcon/Makefile | 1 +
15 arch/mips/lantiq/falcon/mach-easy98000.c | 110 ++++++++++++++++++++++++++++++
16 arch/mips/lantiq/machtypes.h | 5 ++
17 4 files changed, 127 insertions(+), 0 deletions(-)
18 create mode 100644 arch/mips/lantiq/falcon/Kconfig
19 create mode 100644 arch/mips/lantiq/falcon/mach-easy98000.c
20
21diff --git a/arch/mips/lantiq/falcon/Kconfig b/arch/mips/lantiq/falcon/Kconfig
22new file mode 100644
23index 0000000..03e999d
24--- /dev/null
25+++ b/arch/mips/lantiq/falcon/Kconfig
26@@ -0,0 +1,11 @@
27+if SOC_FALCON
28+
29+menu "MIPS Machine"
30+
31+config LANTIQ_MACH_EASY98000
32+ bool "Easy98000"
33+ default y
34+
35+endmenu
36+
37+endif
38diff --git a/arch/mips/lantiq/falcon/Makefile b/arch/mips/lantiq/falcon/Makefile
39index de72209..56b22eb 100644
40--- a/arch/mips/lantiq/falcon/Makefile
41+++ b/arch/mips/lantiq/falcon/Makefile
42@@ -1 +1,2 @@
43 obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o
44+obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o
45diff --git a/arch/mips/lantiq/falcon/mach-easy98000.c b/arch/mips/lantiq/falcon/mach-easy98000.c
46new file mode 100644
47index 0000000..361b8f0
48--- /dev/null
49+++ b/arch/mips/lantiq/falcon/mach-easy98000.c
50@@ -0,0 +1,110 @@
51+/*
52+ * This program is free software; you can redistribute it and/or modify it
53+ * under the terms of the GNU General Public License version 2 as published
54+ * by the Free Software Foundation.
55+ *
56+ * Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
57+ * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
58+ */
59+
60+#include <linux/platform_device.h>
61+#include <linux/mtd/partitions.h>
62+#include <linux/spi/spi.h>
63+#include <linux/spi/spi_gpio.h>
64+#include <linux/spi/eeprom.h>
65+
66+#include "../machtypes.h"
67+
68+#include "devices.h"
69+
70+static struct mtd_partition easy98000_nor_partitions[] = {
71+ {
72+ .name = "uboot",
73+ .offset = 0x0,
74+ .size = 0x40000,
75+ },
76+ {
77+ .name = "uboot_env",
78+ .offset = 0x40000,
79+ .size = 0x40000, /* 2 sectors for redundant env. */
80+ },
81+ {
82+ .name = "linux",
83+ .offset = 0x80000,
84+ .size = 0xF80000, /* map only 16 MiB */
85+ },
86+};
87+
88+struct physmap_flash_data easy98000_nor_flash_data = {
89+ .nr_parts = ARRAY_SIZE(easy98000_nor_partitions),
90+ .parts = easy98000_nor_partitions,
91+};
92+
93+/* setup gpio based spi bus/device for access to the eeprom on the board */
94+#define SPI_GPIO_MRST 102
95+#define SPI_GPIO_MTSR 103
96+#define SPI_GPIO_CLK 104
97+#define SPI_GPIO_CS0 105
98+#define SPI_GPIO_CS1 106
99+#define SPI_GPIO_BUS_NUM 1
100+
101+static struct spi_gpio_platform_data easy98000_spi_gpio_data = {
102+ .sck = SPI_GPIO_CLK,
103+ .mosi = SPI_GPIO_MTSR,
104+ .miso = SPI_GPIO_MRST,
105+ .num_chipselect = 2,
106+};
107+
108+static struct platform_device easy98000_spi_gpio_device = {
109+ .name = "spi_gpio",
110+ .id = SPI_GPIO_BUS_NUM,
111+ .dev.platform_data = &easy98000_spi_gpio_data,
112+};
113+
114+static struct spi_eeprom at25160n = {
115+ .byte_len = 16 * 1024 / 8,
116+ .name = "at25160n",
117+ .page_size = 32,
118+ .flags = EE_ADDR2,
119+};
120+
121+static struct spi_board_info easy98000_spi_gpio_devices __initdata = {
122+ .modalias = "at25",
123+ .bus_num = SPI_GPIO_BUS_NUM,
124+ .max_speed_hz = 1000 * 1000,
125+ .mode = SPI_MODE_3,
126+ .chip_select = 1,
127+ .controller_data = (void *) SPI_GPIO_CS1,
128+ .platform_data = &at25160n,
129+};
130+
131+static void __init
132+easy98000_init_common(void)
133+{
134+ spi_register_board_info(&easy98000_spi_gpio_devices, 1);
135+ platform_device_register(&easy98000_spi_gpio_device);
136+}
137+
138+static void __init
139+easy98000_init(void)
140+{
141+ easy98000_init_common();
142+ ltq_register_nor(&easy98000_nor_flash_data);
143+}
144+
145+static void __init
146+easy98000nand_init(void)
147+{
148+ easy98000_init_common();
149+ falcon_register_nand();
150+}
151+
152+MIPS_MACHINE(LANTIQ_MACH_EASY98000,
153+ "EASY98000",
154+ "EASY98000 Eval Board",
155+ easy98000_init);
156+
157+MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND,
158+ "EASY98000NAND",
159+ "EASY98000 Eval Board (NAND Flash)",
160+ easy98000nand_init);
161diff --git a/arch/mips/lantiq/machtypes.h b/arch/mips/lantiq/machtypes.h
162index 7e01b8c..dfc6af7 100644
163--- a/arch/mips/lantiq/machtypes.h
164+++ b/arch/mips/lantiq/machtypes.h
165@@ -15,6 +15,11 @@ enum lantiq_mach_type {
166     LTQ_MACH_GENERIC = 0,
167     LTQ_MACH_EASY50712, /* Danube evaluation board */
168     LTQ_MACH_EASY50601, /* Amazon SE evaluation board */
169+
170+ /* FALCON */
171+ LANTIQ_MACH_EASY98000, /* Falcon Eval Board, NOR Flash */
172+ LANTIQ_MACH_EASY98000SF, /* Falcon Eval Board, Serial Flash */
173+ LANTIQ_MACH_EASY98000NAND, /* Falcon Eval Board, NAND Flash */
174 };
175 
176 #endif
177--
1781.7.5.4
179
180

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