2 * ADM5120 generic platform devices
4 * Copyright (C) 2007-2008 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.
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/list.h>
15 #include <linux/device.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/platform_device.h>
18 #include <linux/gpio.h>
20 #include <asm/bootinfo.h>
22 #include <asm/mach-adm5120/adm5120_defs.h>
23 #include <asm/mach-adm5120/adm5120_info.h>
24 #include <asm/mach-adm5120/adm5120_irq.h>
25 #include <asm/mach-adm5120/adm5120_switch.h>
26 #include <asm/mach-adm5120/adm5120_nand.h>
27 #include <asm/mach-adm5120/adm5120_platform.h>
31 * TODO:remove global adm5120_eth* variables when the switch driver will be
32 * converted into a real platform driver
34 unsigned int adm5120_eth_num_ports = 6;
35 EXPORT_SYMBOL_GPL(adm5120_eth_num_ports);
37 unsigned char adm5120_eth_macs[6][6] = {
38 {'\00', 'A', 'D', 'M', '\x51', '\x20' },
39 {'\00', 'A', 'D', 'M', '\x51', '\x21' },
40 {'\00', 'A', 'D', 'M', '\x51', '\x22' },
41 {'\00', 'A', 'D', 'M', '\x51', '\x23' },
42 {'\00', 'A', 'D', 'M', '\x51', '\x24' },
43 {'\00', 'A', 'D', 'M', '\x51', '\x25' }
45 EXPORT_SYMBOL_GPL(adm5120_eth_macs);
47 unsigned char adm5120_eth_vlans[6] = {
48 0x41, 0x42, 0x44, 0x48, 0x50, 0x60
50 EXPORT_SYMBOL_GPL(adm5120_eth_vlans);
54 * Built-in ethernet switch
56 struct resource adm5120_switch_resources[] = {
58 .start = ADM5120_SWITCH_BASE,
59 .end = ADM5120_SWITCH_BASE+ADM5120_SWITCH_SIZE-1,
60 .flags = IORESOURCE_MEM,
63 .start = ADM5120_IRQ_SWITCH,
64 .end = ADM5120_IRQ_SWITCH,
65 .flags = IORESOURCE_IRQ,
69 struct adm5120_switch_platform_data adm5120_switch_data;
70 struct platform_device adm5120_switch_device = {
71 .name = "adm5120-switch",
73 .num_resources = ARRAY_SIZE(adm5120_switch_resources),
74 .resource = adm5120_switch_resources,
75 .dev.platform_data = &adm5120_switch_data,
78 void __init adm5120_add_device_switch(unsigned num_ports, u8 *vlan_map)
81 adm5120_eth_num_ports = num_ports;
84 memcpy(adm5120_eth_vlans, vlan_map, sizeof(adm5120_eth_vlans));
86 platform_device_register(&adm5120_switch_device);
92 struct resource adm5120_hcd_resources[] = {
94 .start = ADM5120_USBC_BASE,
95 .end = ADM5120_USBC_BASE+ADM5120_USBC_SIZE-1,
96 .flags = IORESOURCE_MEM,
99 .start = ADM5120_IRQ_USBC,
100 .end = ADM5120_IRQ_USBC,
101 .flags = IORESOURCE_IRQ,
105 static u64 adm5120_hcd_dma_mask = DMA_BIT_MASK(24);
106 struct platform_device adm5120_hcd_device = {
107 .name = "adm5120-hcd",
109 .num_resources = ARRAY_SIZE(adm5120_hcd_resources),
110 .resource = adm5120_hcd_resources,
112 .dma_mask = &adm5120_hcd_dma_mask,
113 .coherent_dma_mask = DMA_BIT_MASK(24),
117 void __init adm5120_add_device_usb(void)
119 platform_device_register(&adm5120_hcd_device);
125 struct adm5120_flash_platform_data adm5120_flash0_data;
126 struct platform_device adm5120_flash0_device = {
127 .name = "adm5120-flash",
129 .dev.platform_data = &adm5120_flash0_data,
132 struct adm5120_flash_platform_data adm5120_flash1_data;
133 struct platform_device adm5120_flash1_device = {
134 .name = "adm5120-flash",
136 .dev.platform_data = &adm5120_flash1_data,
139 void __init adm5120_add_device_flash(unsigned id)
141 struct platform_device *pdev;
145 pdev = &adm5120_flash0_device;
148 pdev = &adm5120_flash1_device;
156 platform_device_register(pdev);
162 static void adm5120_uart_set_mctrl(struct amba_device *dev, void __iomem *base,
167 struct amba_pl010_data adm5120_uart0_data = {
168 .set_mctrl = adm5120_uart_set_mctrl
171 struct amba_device adm5120_uart0_device = {
173 .bus_id = "APB:UART0",
174 .platform_data = &adm5120_uart0_data,
177 .start = ADM5120_UART0_BASE,
178 .end = ADM5120_UART0_BASE + ADM5120_UART_SIZE - 1,
179 .flags = IORESOURCE_MEM,
181 .irq = { ADM5120_IRQ_UART0, -1 },
182 .periphid = 0x0041010,
185 struct amba_pl010_data adm5120_uart1_data = {
186 .set_mctrl = adm5120_uart_set_mctrl
189 struct amba_device adm5120_uart1_device = {
191 .bus_id = "APB:UART1",
192 .platform_data = &adm5120_uart1_data,
195 .start = ADM5120_UART1_BASE,
196 .end = ADM5120_UART1_BASE + ADM5120_UART_SIZE - 1,
197 .flags = IORESOURCE_MEM,
199 .irq = { ADM5120_IRQ_UART1, -1 },
200 .periphid = 0x0041010,
203 void __init adm5120_add_device_uart(unsigned id)
205 struct amba_device *dev;
209 dev = &adm5120_uart0_device;
212 dev = &adm5120_uart1_device;
220 amba_device_register(dev, &iomem_resource);
226 #define ADM5120_BUTTON_INTERVAL 20
227 struct gpio_buttons_platform_data adm5120_gpio_buttons_data = {
228 .poll_interval = ADM5120_BUTTON_INTERVAL,
231 struct platform_device adm5120_gpio_buttons_device = {
232 .name = "gpio-buttons",
234 .dev.platform_data = &adm5120_gpio_buttons_data,
237 void __init adm5120_add_device_gpio_buttons(unsigned nbuttons,
238 struct gpio_button *buttons)
240 struct gpio_button *p;
242 p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL);
246 memcpy(p, buttons, nbuttons * sizeof(*p));
247 adm5120_gpio_buttons_data.nbuttons = nbuttons;
248 adm5120_gpio_buttons_data.buttons = p;
250 platform_device_register(&adm5120_gpio_buttons_device);
256 struct gpio_led_platform_data adm5120_gpio_leds_data;
257 struct platform_device adm5120_gpio_leds_device = {
260 .dev.platform_data = &adm5120_gpio_leds_data,
263 void __init adm5120_add_device_gpio_leds(unsigned num_leds,
264 struct gpio_led *leds)
268 p = kmalloc(num_leds * sizeof(*p), GFP_KERNEL);
272 memcpy(p, leds, num_leds * sizeof(*p));
273 adm5120_gpio_leds_data.num_leds = num_leds;
274 adm5120_gpio_leds_data.leds = p;
276 platform_device_register(&adm5120_gpio_leds_device);
282 static struct resource adm5120_gpio_resource[] __initdata = {
288 void __init adm5120_add_device_gpio(u32 disable_mask)
290 if (adm5120_package_pqfp())
291 disable_mask |= 0xf0;
293 adm5120_gpio_resource[0].start &= ~disable_mask;
294 platform_device_register_simple("GPIODEV", -1,
295 adm5120_gpio_resource,
296 ARRAY_SIZE(adm5120_gpio_resource));
302 struct resource adm5120_nand_resources[] = {
304 .start = ADM5120_NAND_BASE,
305 .end = ADM5120_NAND_BASE + ADM5120_NAND_SIZE-1,
306 .flags = IORESOURCE_MEM,
310 static int adm5120_nand_ready(struct mtd_info *mtd)
312 return ((adm5120_nand_get_status() & ADM5120_NAND_STATUS_READY) != 0);
315 static void adm5120_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
318 if (ctrl & NAND_CTRL_CHANGE) {
319 adm5120_nand_set_cle(ctrl & NAND_CLE);
320 adm5120_nand_set_ale(ctrl & NAND_ALE);
321 adm5120_nand_set_cen(ctrl & NAND_NCE);
324 if (cmd != NAND_CMD_NONE)
325 NAND_WRITE_REG(NAND_REG_DATA, cmd);
328 void __init adm5120_add_device_nand(struct platform_nand_data *pdata)
330 struct platform_device *pdev;
333 pdev = platform_device_alloc("gen_nand", -1);
337 err = platform_device_add_resources(pdev, adm5120_nand_resources,
338 ARRAY_SIZE(adm5120_nand_resources));
342 err = platform_device_add_data(pdev, pdata, sizeof(*pdata));
346 pdata = pdev->dev.platform_data;
347 pdata->ctrl.dev_ready = adm5120_nand_ready;
348 pdata->ctrl.cmd_ctrl = adm5120_nand_cmd_ctrl;
350 err = platform_device_add(pdev);
357 platform_device_put(pdev);