2 * Ralink RT305x SoC platform device registration
4 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
11 #include <linux/kernel.h>
12 #include <linux/platform_device.h>
13 #include <linux/err.h>
14 #include <linux/clk.h>
15 #include <linux/mtd/mtd.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/spi/spi.h>
18 #include <linux/rt2x00_platform.h>
20 #include <asm/addrspace.h>
22 #include <asm/mach-ralink/rt305x.h>
23 #include <asm/mach-ralink/rt305x_regs.h>
26 #include <ramips_eth_platform.h>
27 #include <rt305x_esw_platform.h>
29 static struct resource rt305x_flash0_resources
[] = {
31 .flags
= IORESOURCE_MEM
,
32 .start
= KSEG1ADDR(RT305X_FLASH0_BASE
),
33 .end
= KSEG1ADDR(RT305X_FLASH0_BASE
) +
34 RT305X_FLASH0_SIZE
- 1,
38 struct physmap_flash_data rt305x_flash0_data
;
39 static struct platform_device rt305x_flash0_device
= {
40 .name
= "physmap-flash",
41 .resource
= rt305x_flash0_resources
,
42 .num_resources
= ARRAY_SIZE(rt305x_flash0_resources
),
44 .platform_data
= &rt305x_flash0_data
,
48 static struct resource rt305x_flash1_resources
[] = {
50 .flags
= IORESOURCE_MEM
,
51 .start
= KSEG1ADDR(RT305X_FLASH1_BASE
),
52 .end
= KSEG1ADDR(RT305X_FLASH1_BASE
) +
53 RT305X_FLASH1_SIZE
- 1,
57 struct physmap_flash_data rt305x_flash1_data
;
58 static struct platform_device rt305x_flash1_device
= {
59 .name
= "physmap-flash",
60 .resource
= rt305x_flash1_resources
,
61 .num_resources
= ARRAY_SIZE(rt305x_flash1_resources
),
63 .platform_data
= &rt305x_flash1_data
,
67 static int rt305x_flash_instance __initdata
;
68 void __init
rt305x_register_flash(unsigned int id
)
70 struct platform_device
*pdev
;
71 struct physmap_flash_data
*pdata
;
77 pdev
= &rt305x_flash0_device
;
78 reg
= MEMC_REG_FLASH_CFG0
;
81 pdev
= &rt305x_flash1_device
;
82 reg
= MEMC_REG_FLASH_CFG1
;
88 t
= rt305x_memc_rr(reg
);
89 t
= (t
>> FLASH_CFG_WIDTH_SHIFT
) & FLASH_CFG_WIDTH_MASK
;
91 pdata
= pdev
->dev
.platform_data
;
93 case FLASH_CFG_WIDTH_8BIT
:
96 case FLASH_CFG_WIDTH_16BIT
:
99 case FLASH_CFG_WIDTH_32BIT
:
103 printk(KERN_ERR
"RT305x: flash bank%u witdh is invalid\n", id
);
107 pdev
->id
= rt305x_flash_instance
;
109 platform_device_register(pdev
);
110 rt305x_flash_instance
++;
113 static void rt305x_fe_reset(void)
115 rt305x_sysc_wr(RT305X_RESET_FE
, SYSC_REG_RESET_CTRL
);
116 rt305x_sysc_wr(0, SYSC_REG_RESET_CTRL
);
119 static struct resource rt305x_eth_resources
[] = {
121 .start
= RT305X_FE_BASE
,
122 .end
= RT305X_FE_BASE
+ PAGE_SIZE
- 1,
123 .flags
= IORESOURCE_MEM
,
125 .start
= RT305X_CPU_IRQ_FE
,
126 .end
= RT305X_CPU_IRQ_FE
,
127 .flags
= IORESOURCE_IRQ
,
131 static struct ramips_eth_platform_data ramips_eth_data
= {
132 .mac
= { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
133 .reset_fe
= rt305x_fe_reset
,
137 static struct platform_device rt305x_eth_device
= {
138 .name
= "ramips_eth",
139 .resource
= rt305x_eth_resources
,
140 .num_resources
= ARRAY_SIZE(rt305x_eth_resources
),
142 .platform_data
= &ramips_eth_data
,
146 static struct resource rt305x_esw_resources
[] = {
148 .start
= RT305X_SWITCH_BASE
,
149 .end
= RT305X_SWITCH_BASE
+ PAGE_SIZE
- 1,
150 .flags
= IORESOURCE_MEM
,
154 struct rt305x_esw_platform_data rt305x_esw_data
= {
155 .vlan_config
= RT305X_ESW_VLAN_CONFIG_NONE
,
156 .reg_initval_fct2
= 0x00d6500c,
157 .reg_initval_fpa2
= 0x3f502b28,
160 static struct platform_device rt305x_esw_device
= {
161 .name
= "rt305x-esw",
162 .resource
= rt305x_esw_resources
,
163 .num_resources
= ARRAY_SIZE(rt305x_esw_resources
),
165 .platform_data
= &rt305x_esw_data
,
169 void __init
rt305x_register_ethernet(void)
173 clk
= clk_get(NULL
, "sys");
175 panic("unable to get SYS clock, err=%ld", PTR_ERR(clk
));
177 ramips_eth_data
.sys_freq
= clk_get_rate(clk
);
179 platform_device_register(&rt305x_esw_device
);
180 platform_device_register(&rt305x_eth_device
);
183 static struct resource rt305x_wifi_resources
[] = {
185 .start
= RT305X_WMAC_BASE
,
186 .end
= RT305X_WMAC_BASE
+ 0x3FFFF,
187 .flags
= IORESOURCE_MEM
,
189 .start
= RT305X_CPU_IRQ_WNIC
,
190 .end
= RT305X_CPU_IRQ_WNIC
,
191 .flags
= IORESOURCE_IRQ
,
195 static struct rt2x00_platform_data rt305x_wifi_data
;
196 static struct platform_device rt305x_wifi_device
= {
197 .name
= "rt2800_wmac",
198 .resource
= rt305x_wifi_resources
,
199 .num_resources
= ARRAY_SIZE(rt305x_wifi_resources
),
201 .platform_data
= &rt305x_wifi_data
,
205 void __init
rt305x_register_wifi(void)
207 rt305x_wifi_data
.eeprom_file_name
= "RT305X.eeprom";
208 platform_device_register(&rt305x_wifi_device
);
211 static struct resource rt305x_wdt_resources
[] = {
213 .start
= RT305X_TIMER_BASE
,
214 .end
= RT305X_TIMER_BASE
+ RT305X_TIMER_SIZE
- 1,
215 .flags
= IORESOURCE_MEM
,
219 static struct platform_device rt305x_wdt_device
= {
220 .name
= "ramips-wdt",
222 .resource
= rt305x_wdt_resources
,
223 .num_resources
= ARRAY_SIZE(rt305x_wdt_resources
),
226 void __init
rt305x_register_wdt(void)
230 /* enable WDT reset output on pin SRAM_CS_N */
231 t
= rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG
);
232 t
|= SYSTEM_CONFIG_SRAM_CS0_MODE_WDT
<<
233 SYSTEM_CONFIG_SRAM_CS0_MODE_SHIFT
;
234 rt305x_sysc_wr(t
, SYSC_REG_SYSTEM_CONFIG
);
236 platform_device_register(&rt305x_wdt_device
);
239 static struct resource rt305x_spi_resources
[] = {
241 .flags
= IORESOURCE_MEM
,
242 .start
= RT305X_SPI_BASE
,
243 .end
= RT305X_SPI_BASE
+ RT305X_SPI_SIZE
- 1,
247 static struct platform_device rt305x_spi_device
= {
248 .name
= "ramips-spi",
250 .resource
= rt305x_spi_resources
,
251 .num_resources
= ARRAY_SIZE(rt305x_spi_resources
),
254 void __init
rt305x_register_spi(struct spi_board_info
*info
, int n
)
256 spi_register_board_info(info
, n
);
257 platform_device_register(&rt305x_spi_device
);
260 static struct resource rt305x_usb_resources
[] = {
262 .start
= RT305X_OTG_BASE
,
263 .end
= RT305X_OTG_BASE
+ 0x3FFFF,
264 .flags
= IORESOURCE_MEM
,
266 .start
= RT305X_INTC_IRQ_OTG
,
267 .end
= RT305X_INTC_IRQ_OTG
,
268 .flags
= IORESOURCE_IRQ
,
272 static struct platform_device rt305x_usb_device
= {
274 .resource
= rt305x_usb_resources
,
275 .num_resources
= ARRAY_SIZE(rt305x_usb_resources
),
277 .platform_data
= NULL
,
281 void __init
rt305x_register_usb(void)
283 platform_device_register(&rt305x_usb_device
);