staging: brcm80211: merged bmac.c into main.c
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / mach-kirkwood / openrd-setup.c
blobf69beeff4450b5c9d604346ee063494480304cdc
1 /*
2 * arch/arm/mach-kirkwood/openrd-setup.c
4 * Marvell OpenRD (Base|Client|Ultimate) Board Setup
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/nand.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/ata_platform.h>
17 #include <linux/mv643xx_eth.h>
18 #include <linux/i2c.h>
19 #include <linux/gpio.h>
20 #include <asm/mach-types.h>
21 #include <asm/mach/arch.h>
22 #include <mach/kirkwood.h>
23 #include <plat/mvsdio.h>
24 #include "common.h"
25 #include "mpp.h"
27 static struct mtd_partition openrd_nand_parts[] = {
29 .name = "u-boot",
30 .offset = 0,
31 .size = SZ_1M,
32 .mask_flags = MTD_WRITEABLE
33 }, {
34 .name = "uImage",
35 .offset = MTDPART_OFS_NXTBLK,
36 .size = SZ_4M
37 }, {
38 .name = "root",
39 .offset = MTDPART_OFS_NXTBLK,
40 .size = MTDPART_SIZ_FULL
44 static struct mv643xx_eth_platform_data openrd_ge00_data = {
45 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
48 static struct mv643xx_eth_platform_data openrd_ge01_data = {
49 .phy_addr = MV643XX_ETH_PHY_ADDR(24),
52 static struct mv_sata_platform_data openrd_sata_data = {
53 .n_ports = 2,
56 static struct mvsdio_platform_data openrd_mvsdio_data = {
57 .gpio_card_detect = 29, /* MPP29 used as SD card detect */
60 static unsigned int openrd_mpp_config[] __initdata = {
61 MPP12_SD_CLK,
62 MPP13_SD_CMD,
63 MPP14_SD_D0,
64 MPP15_SD_D1,
65 MPP16_SD_D2,
66 MPP17_SD_D3,
67 MPP28_GPIO,
68 MPP29_GPIO,
69 MPP34_GPIO,
73 /* Configure MPP for UART1 */
74 static unsigned int openrd_uart1_mpp_config[] __initdata = {
75 MPP13_UART1_TXD,
76 MPP14_UART1_RXD,
80 static struct i2c_board_info i2c_board_info[] __initdata = {
82 I2C_BOARD_INFO("cs42l51", 0x4a),
86 static int __initdata uart1;
88 static int __init sd_uart_selection(char *str)
90 uart1 = -EINVAL;
92 /* Default is SD. Change if required, for UART */
93 if (!str)
94 return 0;
96 if (!strncmp(str, "232", 3)) {
97 uart1 = 232;
98 } else if (!strncmp(str, "485", 3)) {
99 /* OpenRD-Base doesn't have RS485. Treat is as an
100 * unknown argument & just have default setting -
101 * which is SD */
102 if (machine_is_openrd_base()) {
103 uart1 = -ENODEV;
104 return 1;
107 uart1 = 485;
109 return 1;
111 /* Parse boot_command_line string kw_openrd_init_uart1=232/485 */
112 __setup("kw_openrd_init_uart1=", sd_uart_selection);
114 static int __init uart1_mpp_config(void)
116 kirkwood_mpp_conf(openrd_uart1_mpp_config);
118 if (gpio_request(34, "SD_UART1_SEL")) {
119 printk(KERN_ERR "GPIO request failed for SD/UART1 selection"
120 ", gpio: 34\n");
121 return -EIO;
124 if (gpio_request(28, "RS232_RS485_SEL")) {
125 printk(KERN_ERR "GPIO request failed for RS232/RS485 selection"
126 ", gpio# 28\n");
127 gpio_free(34);
128 return -EIO;
131 /* Select UART1
132 * Pin # 34: 0 => UART1, 1 => SD */
133 gpio_direction_output(34, 0);
135 /* Select RS232 OR RS485
136 * Pin # 28: 0 => RS232, 1 => RS485 */
137 if (uart1 == 232)
138 gpio_direction_output(28, 0);
139 else
140 gpio_direction_output(28, 1);
142 gpio_free(34);
143 gpio_free(28);
145 return 0;
148 static void __init openrd_init(void)
151 * Basic setup. Needs to be called early.
153 kirkwood_init();
154 kirkwood_mpp_conf(openrd_mpp_config);
156 kirkwood_uart0_init();
157 kirkwood_nand_init(ARRAY_AND_SIZE(openrd_nand_parts), 25);
159 kirkwood_ehci_init();
161 if (machine_is_openrd_ultimate()) {
162 openrd_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
163 openrd_ge01_data.phy_addr = MV643XX_ETH_PHY_ADDR(1);
166 kirkwood_ge00_init(&openrd_ge00_data);
167 if (!machine_is_openrd_base())
168 kirkwood_ge01_init(&openrd_ge01_data);
170 kirkwood_sata_init(&openrd_sata_data);
172 kirkwood_i2c_init();
174 if (machine_is_openrd_client() || machine_is_openrd_ultimate()) {
175 i2c_register_board_info(0, i2c_board_info,
176 ARRAY_SIZE(i2c_board_info));
177 kirkwood_audio_init();
180 if (uart1 <= 0) {
181 if (uart1 < 0)
182 printk(KERN_ERR "Invalid kernel parameter to select "
183 "UART1. Defaulting to SD. ERROR CODE: %d\n",
184 uart1);
186 /* Select SD
187 * Pin # 34: 0 => UART1, 1 => SD */
188 if (gpio_request(34, "SD_UART1_SEL")) {
189 printk(KERN_ERR "GPIO request failed for SD/UART1 "
190 "selection, gpio: 34\n");
191 } else {
193 gpio_direction_output(34, 1);
194 gpio_free(34);
195 kirkwood_sdio_init(&openrd_mvsdio_data);
197 } else {
198 if (!uart1_mpp_config())
199 kirkwood_uart1_init();
203 static int __init openrd_pci_init(void)
205 if (machine_is_openrd_base() ||
206 machine_is_openrd_client() ||
207 machine_is_openrd_ultimate())
208 kirkwood_pcie_init(KW_PCIE0);
210 return 0;
212 subsys_initcall(openrd_pci_init);
214 #ifdef CONFIG_MACH_OPENRD_BASE
215 MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board")
216 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
217 .boot_params = 0x00000100,
218 .init_machine = openrd_init,
219 .map_io = kirkwood_map_io,
220 .init_early = kirkwood_init_early,
221 .init_irq = kirkwood_init_irq,
222 .timer = &kirkwood_timer,
223 MACHINE_END
224 #endif
226 #ifdef CONFIG_MACH_OPENRD_CLIENT
227 MACHINE_START(OPENRD_CLIENT, "Marvell OpenRD Client Board")
228 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
229 .boot_params = 0x00000100,
230 .init_machine = openrd_init,
231 .map_io = kirkwood_map_io,
232 .init_early = kirkwood_init_early,
233 .init_irq = kirkwood_init_irq,
234 .timer = &kirkwood_timer,
235 MACHINE_END
236 #endif
238 #ifdef CONFIG_MACH_OPENRD_ULTIMATE
239 MACHINE_START(OPENRD_ULTIMATE, "Marvell OpenRD Ultimate Board")
240 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
241 .boot_params = 0x00000100,
242 .init_machine = openrd_init,
243 .map_io = kirkwood_map_io,
244 .init_early = kirkwood_init_early,
245 .init_irq = kirkwood_init_irq,
246 .timer = &kirkwood_timer,
247 MACHINE_END
248 #endif