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Alexander Clouterb2fdb562010-01-18 23:38:19 +00001/*
2 * arch/arm/mach-kirkwood/openrd-setup.c
3 *
Dmytro Milinevskyy43b56072010-06-10 22:12:55 +03004 * Marvell OpenRD (Base|Client|Ultimate) Board Setup
Alexander Clouterb2fdb562010-01-18 23:38:19 +00005 *
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 */
10
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>
apatard@mandriva.com492e2bf2010-05-31 13:49:13 +020018#include <linux/i2c.h>
Tanmay Upadhyayfd2ce9c2010-08-26 11:11:58 +053019#include <linux/gpio.h>
Alexander Clouterb2fdb562010-01-18 23:38:19 +000020#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"
26
27static struct mtd_partition openrd_nand_parts[] = {
28 {
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
41 },
42};
43
44static struct mv643xx_eth_platform_data openrd_ge00_data = {
45 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
46};
47
48static struct mv643xx_eth_platform_data openrd_ge01_data = {
49 .phy_addr = MV643XX_ETH_PHY_ADDR(24),
50};
51
52static struct mv_sata_platform_data openrd_sata_data = {
53 .n_ports = 2,
54};
55
56static struct mvsdio_platform_data openrd_mvsdio_data = {
57 .gpio_card_detect = 29, /* MPP29 used as SD card detect */
58};
59
60static unsigned int openrd_mpp_config[] __initdata = {
Tanmay Upadhyayfd2ce9c2010-08-26 11:11:58 +053061 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,
Alexander Clouterb2fdb562010-01-18 23:38:19 +000068 MPP29_GPIO,
Tanmay Upadhyayfd2ce9c2010-08-26 11:11:58 +053069 MPP34_GPIO,
70 0
71};
72
73/* Configure MPP for UART1 */
74static unsigned int openrd_uart1_mpp_config[] __initdata = {
75 MPP13_UART1_TXD,
76 MPP14_UART1_RXD,
Alexander Clouterb2fdb562010-01-18 23:38:19 +000077 0
78};
79
apatard@mandriva.com492e2bf2010-05-31 13:49:13 +020080static struct i2c_board_info i2c_board_info[] __initdata = {
81 {
82 I2C_BOARD_INFO("cs42l51", 0x4a),
83 },
84};
85
Tanmay Upadhyayfd2ce9c2010-08-26 11:11:58 +053086static int __initdata uart1;
87
88static int __init sd_uart_selection(char *str)
89{
90 uart1 = -EINVAL;
91
92 /* Default is SD. Change if required, for UART */
93 if (!str)
94 return 0;
95
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;
105 }
106
107 uart1 = 485;
108 }
109 return 1;
110}
111/* Parse boot_command_line string kw_openrd_init_uart1=232/485 */
112__setup("kw_openrd_init_uart1=", sd_uart_selection);
113
114static int __init uart1_mpp_config(void)
115{
116 kirkwood_mpp_conf(openrd_uart1_mpp_config);
117
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;
122 }
123
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;
129 }
130
131 /* Select UART1
132 * Pin # 34: 0 => UART1, 1 => SD */
133 gpio_direction_output(34, 0);
134
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);
141
142 gpio_free(34);
143 gpio_free(28);
144
145 return 0;
146}
147
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000148static void __init openrd_init(void)
149{
150 /*
151 * Basic setup. Needs to be called early.
152 */
153 kirkwood_init();
154 kirkwood_mpp_conf(openrd_mpp_config);
155
156 kirkwood_uart0_init();
157 kirkwood_nand_init(ARRAY_AND_SIZE(openrd_nand_parts), 25);
158
159 kirkwood_ehci_init();
160
Dmytro Milinevskyy43b56072010-06-10 22:12:55 +0300161 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);
164 }
165
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000166 kirkwood_ge00_init(&openrd_ge00_data);
Dmytro Milinevskyy43b56072010-06-10 22:12:55 +0300167 if (!machine_is_openrd_base())
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000168 kirkwood_ge01_init(&openrd_ge01_data);
Dmytro Milinevskyy43b56072010-06-10 22:12:55 +0300169
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000170 kirkwood_sata_init(&openrd_sata_data);
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000171
172 kirkwood_i2c_init();
apatard@mandriva.com492e2bf2010-05-31 13:49:13 +0200173
174 if (machine_is_openrd_client()) {
175 i2c_register_board_info(0, i2c_board_info,
176 ARRAY_SIZE(i2c_board_info));
177 kirkwood_audio_init();
178 }
Tanmay Upadhyayfd2ce9c2010-08-26 11:11:58 +0530179
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);
185
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 {
192
193 gpio_direction_output(34, 1);
194 gpio_free(34);
195 kirkwood_sdio_init(&openrd_mvsdio_data);
196 }
197 } else {
198 if (!uart1_mpp_config())
199 kirkwood_uart1_init();
200 }
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000201}
202
203static int __init openrd_pci_init(void)
204{
Dmytro Milinevskyy43b56072010-06-10 22:12:55 +0300205 if (machine_is_openrd_base() ||
206 machine_is_openrd_client() ||
207 machine_is_openrd_ultimate())
Saeed Bisharaffd58bd2010-06-08 14:21:34 +0300208 kirkwood_pcie_init(KW_PCIE0);
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000209
210 return 0;
211}
212subsys_initcall(openrd_pci_init);
213
214#ifdef CONFIG_MACH_OPENRD_BASE
215MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board")
216 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000217 .boot_params = 0x00000100,
218 .init_machine = openrd_init,
219 .map_io = kirkwood_map_io,
220 .init_irq = kirkwood_init_irq,
221 .timer = &kirkwood_timer,
222MACHINE_END
223#endif
224
225#ifdef CONFIG_MACH_OPENRD_CLIENT
226MACHINE_START(OPENRD_CLIENT, "Marvell OpenRD Client Board")
227 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
Alexander Clouterb2fdb562010-01-18 23:38:19 +0000228 .boot_params = 0x00000100,
229 .init_machine = openrd_init,
230 .map_io = kirkwood_map_io,
231 .init_irq = kirkwood_init_irq,
232 .timer = &kirkwood_timer,
233MACHINE_END
234#endif
Dmytro Milinevskyy43b56072010-06-10 22:12:55 +0300235
236#ifdef CONFIG_MACH_OPENRD_ULTIMATE
237MACHINE_START(OPENRD_ULTIMATE, "Marvell OpenRD Ultimate Board")
238 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
Dmytro Milinevskyy43b56072010-06-10 22:12:55 +0300239 .boot_params = 0x00000100,
240 .init_machine = openrd_init,
241 .map_io = kirkwood_map_io,
242 .init_irq = kirkwood_init_irq,
243 .timer = &kirkwood_timer,
244MACHINE_END
245#endif