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.
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 <linux/platform_data/mmc-mvsdio.h>
27 static struct mtd_partition openrd_nand_parts
[] = {
32 .mask_flags
= MTD_WRITEABLE
35 .offset
= MTDPART_OFS_NXTBLK
,
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
= {
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
= {
73 /* Configure MPP for UART1 */
74 static unsigned int openrd_uart1_mpp_config
[] __initdata
= {
80 static struct i2c_board_info i2c_board_info
[] __initdata
= {
82 I2C_BOARD_INFO("cs42l51", 0x4a),
86 static struct platform_device openrd_client_audio_device
= {
87 .name
= "openrd-client-audio",
91 static int __initdata uart1
;
93 static int __init
sd_uart_selection(char *str
)
97 /* Default is SD. Change if required, for UART */
101 if (!strncmp(str
, "232", 3)) {
103 } else if (!strncmp(str
, "485", 3)) {
104 /* OpenRD-Base doesn't have RS485. Treat is as an
105 * unknown argument & just have default setting -
107 if (machine_is_openrd_base()) {
116 /* Parse boot_command_line string kw_openrd_init_uart1=232/485 */
117 __setup("kw_openrd_init_uart1=", sd_uart_selection
);
119 static int __init
uart1_mpp_config(void)
121 kirkwood_mpp_conf(openrd_uart1_mpp_config
);
123 if (gpio_request(34, "SD_UART1_SEL")) {
124 pr_err("GPIO request 34 failed for SD/UART1 selection\n");
128 if (gpio_request(28, "RS232_RS485_SEL")) {
129 pr_err("GPIO request 28 failed for RS232/RS485 selection\n");
135 * Pin # 34: 0 => UART1, 1 => SD */
136 gpio_direction_output(34, 0);
138 /* Select RS232 OR RS485
139 * Pin # 28: 0 => RS232, 1 => RS485 */
141 gpio_direction_output(28, 0);
143 gpio_direction_output(28, 1);
151 static void __init
openrd_init(void)
154 * Basic setup. Needs to be called early.
157 kirkwood_mpp_conf(openrd_mpp_config
);
159 kirkwood_uart0_init();
160 kirkwood_nand_init(ARRAY_AND_SIZE(openrd_nand_parts
), 25);
162 kirkwood_ehci_init();
164 if (machine_is_openrd_ultimate()) {
165 openrd_ge00_data
.phy_addr
= MV643XX_ETH_PHY_ADDR(0);
166 openrd_ge01_data
.phy_addr
= MV643XX_ETH_PHY_ADDR(1);
169 kirkwood_ge00_init(&openrd_ge00_data
);
170 if (!machine_is_openrd_base())
171 kirkwood_ge01_init(&openrd_ge01_data
);
173 kirkwood_sata_init(&openrd_sata_data
);
177 if (machine_is_openrd_client() || machine_is_openrd_ultimate()) {
178 platform_device_register(&openrd_client_audio_device
);
179 i2c_register_board_info(0, i2c_board_info
,
180 ARRAY_SIZE(i2c_board_info
));
181 kirkwood_audio_init();
186 pr_err("Invalid kernel parameter to select UART1. Defaulting to SD. ERROR CODE: %d\n",
190 * Pin # 34: 0 => UART1, 1 => SD */
191 if (gpio_request(34, "SD_UART1_SEL")) {
192 pr_err("GPIO request 34 failed for SD/UART1 selection\n");
195 gpio_direction_output(34, 1);
197 kirkwood_sdio_init(&openrd_mvsdio_data
);
200 if (!uart1_mpp_config())
201 kirkwood_uart1_init();
205 static int __init
openrd_pci_init(void)
207 if (machine_is_openrd_base() ||
208 machine_is_openrd_client() ||
209 machine_is_openrd_ultimate())
210 kirkwood_pcie_init(KW_PCIE0
);
214 subsys_initcall(openrd_pci_init
);
216 #ifdef CONFIG_MACH_OPENRD_BASE
217 MACHINE_START(OPENRD_BASE
, "Marvell OpenRD Base Board")
218 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
219 .atag_offset
= 0x100,
220 .init_machine
= openrd_init
,
221 .map_io
= kirkwood_map_io
,
222 .init_early
= kirkwood_init_early
,
223 .init_irq
= kirkwood_init_irq
,
224 .init_time
= kirkwood_timer_init
,
225 .restart
= kirkwood_restart
,
229 #ifdef CONFIG_MACH_OPENRD_CLIENT
230 MACHINE_START(OPENRD_CLIENT
, "Marvell OpenRD Client Board")
231 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
232 .atag_offset
= 0x100,
233 .init_machine
= openrd_init
,
234 .map_io
= kirkwood_map_io
,
235 .init_early
= kirkwood_init_early
,
236 .init_irq
= kirkwood_init_irq
,
237 .init_time
= kirkwood_timer_init
,
238 .restart
= kirkwood_restart
,
242 #ifdef CONFIG_MACH_OPENRD_ULTIMATE
243 MACHINE_START(OPENRD_ULTIMATE
, "Marvell OpenRD Ultimate Board")
244 /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
245 .atag_offset
= 0x100,
246 .init_machine
= openrd_init
,
247 .map_io
= kirkwood_map_io
,
248 .init_early
= kirkwood_init_early
,
249 .init_irq
= kirkwood_init_irq
,
250 .init_time
= kirkwood_timer_init
,
251 .restart
= kirkwood_restart
,