2 * ALPHAPROJECT AP-SH4A-3A Support.
4 * Copyright (C) 2010 ALPHAPROJECT Co.,Ltd.
5 * Copyright (C) 2008 Yoshihiro Shimoda
6 * Copyright (C) 2009 Paul Mundt
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file "COPYING" in the main directory of this archive
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
15 #include <linux/mtd/physmap.h>
16 #include <linux/smsc911x.h>
17 #include <linux/irq.h>
18 #include <linux/clk.h>
19 #include <asm/machvec.h>
20 #include <asm/sizes.h>
21 #include <asm/clock.h>
23 static struct mtd_partition nor_flash_partitions[] = {
31 .offset = MTDPART_OFS_APPEND,
36 .offset = MTDPART_OFS_APPEND,
37 .size = 4 * 1024 * 1024,
41 .offset = MTDPART_OFS_APPEND,
42 .size = MTDPART_SIZ_FULL,
46 static struct physmap_flash_data nor_flash_data = {
48 .parts = nor_flash_partitions,
49 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
52 static struct resource nor_flash_resources[] = {
55 .end = 0x01000000 - 1,
56 .flags = IORESOURCE_MEM,
60 static struct platform_device nor_flash_device = {
61 .name = "physmap-flash",
63 .platform_data = &nor_flash_data,
65 .num_resources = ARRAY_SIZE(nor_flash_resources),
66 .resource = nor_flash_resources,
69 static struct resource smsc911x_resources[] = {
71 .name = "smsc911x-memory",
73 .end = 0xA4000000 + SZ_256 - 1,
74 .flags = IORESOURCE_MEM,
77 .name = "smsc911x-irq",
78 .start = evt2irq(0x200),
79 .end = evt2irq(0x200),
80 .flags = IORESOURCE_IRQ,
84 static struct smsc911x_platform_config smsc911x_config = {
85 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
86 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
87 .flags = SMSC911X_USE_16BIT,
88 .phy_interface = PHY_INTERFACE_MODE_MII,
91 static struct platform_device smsc911x_device = {
94 .num_resources = ARRAY_SIZE(smsc911x_resources),
95 .resource = smsc911x_resources,
97 .platform_data = &smsc911x_config,
101 static struct platform_device *apsh4a3a_devices[] __initdata = {
106 static int __init apsh4a3a_devices_setup(void)
108 return platform_add_devices(apsh4a3a_devices,
109 ARRAY_SIZE(apsh4a3a_devices));
111 device_initcall(apsh4a3a_devices_setup);
113 static int apsh4a3a_clk_init(void)
118 clk = clk_get(NULL, "extal");
119 if (!clk || IS_ERR(clk))
121 ret = clk_set_rate(clk, 33333000);
127 /* Initialize the board */
128 static void __init apsh4a3a_setup(char **cmdline_p)
130 printk(KERN_INFO "Alpha Project AP-SH4A-3A support:\n");
133 static void __init apsh4a3a_init_irq(void)
135 plat_irq_setup_pins(IRQ_MODE_IRQ7654);
138 /* Return the board specific boot mode pin configuration */
139 static int apsh4a3a_mode_pins(void)
143 /* These are the factory default settings of SW1 and SW2.
144 * If you change these dip switches then you will need to
145 * adjust the values below as well.
147 value &= ~MODE_PIN0; /* Clock Mode 16 */
152 value &= ~MODE_PIN5; /* 16-bit Area0 bus width */
153 value |= MODE_PIN6; /* Area 0 SRAM interface */
155 value |= MODE_PIN8; /* Little Endian */
156 value |= MODE_PIN9; /* Master Mode */
157 value |= MODE_PIN10; /* Crystal resonator */
158 value |= MODE_PIN11; /* Display Unit */
160 value &= ~MODE_PIN13; /* 29-bit address mode */
161 value |= MODE_PIN14; /* No PLL step-up */
169 static struct sh_machine_vector mv_apsh4a3a __initmv = {
170 .mv_name = "AP-SH4A-3A",
171 .mv_setup = apsh4a3a_setup,
172 .mv_clk_init = apsh4a3a_clk_init,
173 .mv_init_irq = apsh4a3a_init_irq,
174 .mv_mode_pins = apsh4a3a_mode_pins,