Commit | Line | Data |
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b2fdb566 AC |
1 | /* |
2 | * arch/arm/mach-kirkwood/openrd-setup.c | |
3 | * | |
43b56074 | 4 | * Marvell OpenRD (Base|Client|Ultimate) Board Setup |
b2fdb566 AC |
5 | * |
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> | |
492e2bf1 | 18 | #include <linux/i2c.h> |
fd2ce9c5 | 19 | #include <linux/gpio.h> |
b2fdb566 AC |
20 | #include <asm/mach-types.h> |
21 | #include <asm/mach/arch.h> | |
22 | #include <mach/kirkwood.h> | |
c02cecb9 | 23 | #include <linux/platform_data/mmc-mvsdio.h> |
b2fdb566 AC |
24 | #include "common.h" |
25 | #include "mpp.h" | |
26 | ||
27 | static 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 | ||
44 | static struct mv643xx_eth_platform_data openrd_ge00_data = { | |
45 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), | |
46 | }; | |
47 | ||
48 | static struct mv643xx_eth_platform_data openrd_ge01_data = { | |
49 | .phy_addr = MV643XX_ETH_PHY_ADDR(24), | |
50 | }; | |
51 | ||
52 | static struct mv_sata_platform_data openrd_sata_data = { | |
53 | .n_ports = 2, | |
54 | }; | |
55 | ||
56 | static struct mvsdio_platform_data openrd_mvsdio_data = { | |
57 | .gpio_card_detect = 29, /* MPP29 used as SD card detect */ | |
0d0644eb | 58 | .gpio_write_protect = -1, |
b2fdb566 AC |
59 | }; |
60 | ||
61 | static unsigned int openrd_mpp_config[] __initdata = { | |
fd2ce9c5 TU |
62 | MPP12_SD_CLK, |
63 | MPP13_SD_CMD, | |
64 | MPP14_SD_D0, | |
65 | MPP15_SD_D1, | |
66 | MPP16_SD_D2, | |
67 | MPP17_SD_D3, | |
68 | MPP28_GPIO, | |
b2fdb566 | 69 | MPP29_GPIO, |
fd2ce9c5 TU |
70 | MPP34_GPIO, |
71 | 0 | |
72 | }; | |
73 | ||
74 | /* Configure MPP for UART1 */ | |
75 | static unsigned int openrd_uart1_mpp_config[] __initdata = { | |
76 | MPP13_UART1_TXD, | |
77 | MPP14_UART1_RXD, | |
b2fdb566 AC |
78 | 0 |
79 | }; | |
80 | ||
492e2bf1 | 81 | static struct i2c_board_info i2c_board_info[] __initdata = { |
82 | { | |
83 | I2C_BOARD_INFO("cs42l51", 0x4a), | |
84 | }, | |
85 | }; | |
86 | ||
6d6761aa AL |
87 | static struct platform_device openrd_client_audio_device = { |
88 | .name = "openrd-client-audio", | |
89 | .id = -1, | |
90 | }; | |
91 | ||
fd2ce9c5 TU |
92 | static int __initdata uart1; |
93 | ||
94 | static int __init sd_uart_selection(char *str) | |
95 | { | |
96 | uart1 = -EINVAL; | |
97 | ||
98 | /* Default is SD. Change if required, for UART */ | |
99 | if (!str) | |
100 | return 0; | |
101 | ||
102 | if (!strncmp(str, "232", 3)) { | |
103 | uart1 = 232; | |
104 | } else if (!strncmp(str, "485", 3)) { | |
105 | /* OpenRD-Base doesn't have RS485. Treat is as an | |
106 | * unknown argument & just have default setting - | |
107 | * which is SD */ | |
108 | if (machine_is_openrd_base()) { | |
109 | uart1 = -ENODEV; | |
110 | return 1; | |
111 | } | |
112 | ||
113 | uart1 = 485; | |
114 | } | |
115 | return 1; | |
116 | } | |
117 | /* Parse boot_command_line string kw_openrd_init_uart1=232/485 */ | |
118 | __setup("kw_openrd_init_uart1=", sd_uart_selection); | |
119 | ||
120 | static int __init uart1_mpp_config(void) | |
121 | { | |
122 | kirkwood_mpp_conf(openrd_uart1_mpp_config); | |
123 | ||
124 | if (gpio_request(34, "SD_UART1_SEL")) { | |
98adf932 | 125 | pr_err("GPIO request 34 failed for SD/UART1 selection\n"); |
fd2ce9c5 TU |
126 | return -EIO; |
127 | } | |
128 | ||
129 | if (gpio_request(28, "RS232_RS485_SEL")) { | |
98adf932 | 130 | pr_err("GPIO request 28 failed for RS232/RS485 selection\n"); |
fd2ce9c5 TU |
131 | gpio_free(34); |
132 | return -EIO; | |
133 | } | |
134 | ||
135 | /* Select UART1 | |
136 | * Pin # 34: 0 => UART1, 1 => SD */ | |
137 | gpio_direction_output(34, 0); | |
138 | ||
139 | /* Select RS232 OR RS485 | |
140 | * Pin # 28: 0 => RS232, 1 => RS485 */ | |
141 | if (uart1 == 232) | |
142 | gpio_direction_output(28, 0); | |
143 | else | |
144 | gpio_direction_output(28, 1); | |
145 | ||
146 | gpio_free(34); | |
147 | gpio_free(28); | |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
b2fdb566 AC |
152 | static void __init openrd_init(void) |
153 | { | |
154 | /* | |
155 | * Basic setup. Needs to be called early. | |
156 | */ | |
157 | kirkwood_init(); | |
158 | kirkwood_mpp_conf(openrd_mpp_config); | |
159 | ||
160 | kirkwood_uart0_init(); | |
f4ada24b JL |
161 | kirkwood_nand_init(openrd_nand_parts, ARRAY_SIZE(openrd_nand_parts), |
162 | 25); | |
b2fdb566 AC |
163 | |
164 | kirkwood_ehci_init(); | |
165 | ||
43b56074 DM |
166 | if (machine_is_openrd_ultimate()) { |
167 | openrd_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0); | |
168 | openrd_ge01_data.phy_addr = MV643XX_ETH_PHY_ADDR(1); | |
169 | } | |
170 | ||
b2fdb566 | 171 | kirkwood_ge00_init(&openrd_ge00_data); |
43b56074 | 172 | if (!machine_is_openrd_base()) |
b2fdb566 | 173 | kirkwood_ge01_init(&openrd_ge01_data); |
43b56074 | 174 | |
b2fdb566 | 175 | kirkwood_sata_init(&openrd_sata_data); |
b2fdb566 AC |
176 | |
177 | kirkwood_i2c_init(); | |
492e2bf1 | 178 | |
3c9e28e7 | 179 | if (machine_is_openrd_client() || machine_is_openrd_ultimate()) { |
6d6761aa | 180 | platform_device_register(&openrd_client_audio_device); |
492e2bf1 | 181 | i2c_register_board_info(0, i2c_board_info, |
182 | ARRAY_SIZE(i2c_board_info)); | |
183 | kirkwood_audio_init(); | |
184 | } | |
fd2ce9c5 TU |
185 | |
186 | if (uart1 <= 0) { | |
187 | if (uart1 < 0) | |
98adf932 AL |
188 | pr_err("Invalid kernel parameter to select UART1. Defaulting to SD. ERROR CODE: %d\n", |
189 | uart1); | |
fd2ce9c5 TU |
190 | |
191 | /* Select SD | |
192 | * Pin # 34: 0 => UART1, 1 => SD */ | |
193 | if (gpio_request(34, "SD_UART1_SEL")) { | |
98adf932 | 194 | pr_err("GPIO request 34 failed for SD/UART1 selection\n"); |
fd2ce9c5 TU |
195 | } else { |
196 | ||
197 | gpio_direction_output(34, 1); | |
198 | gpio_free(34); | |
199 | kirkwood_sdio_init(&openrd_mvsdio_data); | |
200 | } | |
201 | } else { | |
202 | if (!uart1_mpp_config()) | |
203 | kirkwood_uart1_init(); | |
204 | } | |
b2fdb566 AC |
205 | } |
206 | ||
207 | static int __init openrd_pci_init(void) | |
208 | { | |
43b56074 DM |
209 | if (machine_is_openrd_base() || |
210 | machine_is_openrd_client() || | |
211 | machine_is_openrd_ultimate()) | |
ffd58bd2 | 212 | kirkwood_pcie_init(KW_PCIE0); |
b2fdb566 AC |
213 | |
214 | return 0; | |
215 | } | |
216 | subsys_initcall(openrd_pci_init); | |
217 | ||
218 | #ifdef CONFIG_MACH_OPENRD_BASE | |
219 | MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board") | |
220 | /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */ | |
1b7bd28c | 221 | .atag_offset = 0x100, |
b2fdb566 AC |
222 | .init_machine = openrd_init, |
223 | .map_io = kirkwood_map_io, | |
4ee1f6b5 | 224 | .init_early = kirkwood_init_early, |
b2fdb566 | 225 | .init_irq = kirkwood_init_irq, |
6bb27d73 | 226 | .init_time = kirkwood_timer_init, |
cb15dff4 | 227 | .restart = kirkwood_restart, |
b2fdb566 AC |
228 | MACHINE_END |
229 | #endif | |
230 | ||
231 | #ifdef CONFIG_MACH_OPENRD_CLIENT | |
232 | MACHINE_START(OPENRD_CLIENT, "Marvell OpenRD Client Board") | |
233 | /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */ | |
1b7bd28c | 234 | .atag_offset = 0x100, |
b2fdb566 AC |
235 | .init_machine = openrd_init, |
236 | .map_io = kirkwood_map_io, | |
4ee1f6b5 | 237 | .init_early = kirkwood_init_early, |
b2fdb566 | 238 | .init_irq = kirkwood_init_irq, |
6bb27d73 | 239 | .init_time = kirkwood_timer_init, |
cb15dff4 | 240 | .restart = kirkwood_restart, |
b2fdb566 AC |
241 | MACHINE_END |
242 | #endif | |
43b56074 DM |
243 | |
244 | #ifdef CONFIG_MACH_OPENRD_ULTIMATE | |
245 | MACHINE_START(OPENRD_ULTIMATE, "Marvell OpenRD Ultimate Board") | |
246 | /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */ | |
1b7bd28c | 247 | .atag_offset = 0x100, |
43b56074 DM |
248 | .init_machine = openrd_init, |
249 | .map_io = kirkwood_map_io, | |
4ee1f6b5 | 250 | .init_early = kirkwood_init_early, |
43b56074 | 251 | .init_irq = kirkwood_init_irq, |
6bb27d73 | 252 | .init_time = kirkwood_timer_init, |
cb15dff4 | 253 | .restart = kirkwood_restart, |
43b56074 DM |
254 | MACHINE_END |
255 | #endif |