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1/*
2 * arch/arm/mach-ixp4xx/vulcan-setup.c
3 *
4 * Arcom/Eurotech Vulcan board-setup
5 *
6 * Copyright (C) 2010 Marc Zyngier <maz@misterjones.org>
7 *
8 * based on fsg-setup.c:
9 * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
10 */
11
12#include <linux/if_ether.h>
13#include <linux/irq.h>
14#include <linux/serial.h>
15#include <linux/serial_8250.h>
16#include <linux/io.h>
17#include <linux/w1-gpio.h>
18#include <linux/mtd/plat-ram.h>
19#include <asm/mach-types.h>
20#include <asm/mach/arch.h>
21#include <asm/mach/flash.h>
22
23static struct flash_platform_data vulcan_flash_data = {
24 .map_name = "cfi_probe",
25 .width = 2,
26};
27
28static struct resource vulcan_flash_resource = {
29 .flags = IORESOURCE_MEM,
30};
31
32static struct platform_device vulcan_flash = {
33 .name = "IXP4XX-Flash",
34 .id = 0,
35 .dev = {
36 .platform_data = &vulcan_flash_data,
37 },
38 .resource = &vulcan_flash_resource,
39 .num_resources = 1,
40};
41
42static struct platdata_mtd_ram vulcan_sram_data = {
43 .mapname = "Vulcan SRAM",
44 .bankwidth = 1,
45};
46
47static struct resource vulcan_sram_resource = {
48 .flags = IORESOURCE_MEM,
49};
50
51static struct platform_device vulcan_sram = {
52 .name = "mtd-ram",
53 .id = 0,
54 .dev = {
55 .platform_data = &vulcan_sram_data,
56 },
57 .resource = &vulcan_sram_resource,
58 .num_resources = 1,
59};
60
61static struct resource vulcan_uart_resources[] = {
62 [0] = {
63 .start = IXP4XX_UART1_BASE_PHYS,
64 .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
65 .flags = IORESOURCE_MEM,
66 },
67 [1] = {
68 .start = IXP4XX_UART2_BASE_PHYS,
69 .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
70 .flags = IORESOURCE_MEM,
71 },
72 [2] = {
73 .flags = IORESOURCE_MEM,
74 },
75};
76
77static struct plat_serial8250_port vulcan_uart_data[] = {
78 [0] = {
79 .mapbase = IXP4XX_UART1_BASE_PHYS,
80 .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
81 .irq = IRQ_IXP4XX_UART1,
82 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
83 .iotype = UPIO_MEM,
84 .regshift = 2,
85 .uartclk = IXP4XX_UART_XTAL,
86 },
87 [1] = {
88 .mapbase = IXP4XX_UART2_BASE_PHYS,
89 .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
90 .irq = IRQ_IXP4XX_UART2,
91 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
92 .iotype = UPIO_MEM,
93 .regshift = 2,
94 .uartclk = IXP4XX_UART_XTAL,
95 },
96 [2] = {
97 .irq = IXP4XX_GPIO_IRQ(4),
98 .irqflags = IRQF_TRIGGER_LOW,
99 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
100 .iotype = UPIO_MEM,
101 .uartclk = 1843200,
102 },
103 [3] = {
104 .irq = IXP4XX_GPIO_IRQ(4),
105 .irqflags = IRQF_TRIGGER_LOW,
106 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
107 .iotype = UPIO_MEM,
108 .uartclk = 1843200,
109 },
110 { }
111};
112
113static struct platform_device vulcan_uart = {
114 .name = "serial8250",
115 .id = PLAT8250_DEV_PLATFORM,
116 .dev = {
117 .platform_data = vulcan_uart_data,
118 },
119 .resource = vulcan_uart_resources,
120 .num_resources = ARRAY_SIZE(vulcan_uart_resources),
121};
122
123static struct eth_plat_info vulcan_plat_eth[] = {
124 [0] = {
125 .phy = 0,
126 .rxq = 3,
127 .txreadyq = 20,
128 },
129 [1] = {
130 .phy = 1,
131 .rxq = 4,
132 .txreadyq = 21,
133 },
134};
135
136static struct platform_device vulcan_eth[] = {
137 [0] = {
138 .name = "ixp4xx_eth",
139 .id = IXP4XX_ETH_NPEB,
140 .dev = {
141 .platform_data = &vulcan_plat_eth[0],
142 },
143 },
144 [1] = {
145 .name = "ixp4xx_eth",
146 .id = IXP4XX_ETH_NPEC,
147 .dev = {
148 .platform_data = &vulcan_plat_eth[1],
149 },
150 },
151};
152
153static struct resource vulcan_max6369_resource = {
154 .flags = IORESOURCE_MEM,
155};
156
157static struct platform_device vulcan_max6369 = {
158 .name = "max6369_wdt",
159 .id = -1,
160 .resource = &vulcan_max6369_resource,
161 .num_resources = 1,
162};
163
164static struct w1_gpio_platform_data vulcan_w1_gpio_pdata = {
165 .pin = 14,
166 .ext_pullup_enable_pin = -EINVAL,
167};
168
169static struct platform_device vulcan_w1_gpio = {
170 .name = "w1-gpio",
171 .id = 0,
172 .dev = {
173 .platform_data = &vulcan_w1_gpio_pdata,
174 },
175};
176
177static struct platform_device *vulcan_devices[] __initdata = {
178 &vulcan_uart,
179 &vulcan_flash,
180 &vulcan_sram,
181 &vulcan_max6369,
182 &vulcan_eth[0],
183 &vulcan_eth[1],
184 &vulcan_w1_gpio,
185};
186
187static void __init vulcan_init(void)
188{
189 ixp4xx_sys_init();
190
191 /* Flash is spread over both CS0 and CS1 */
192 vulcan_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
193 vulcan_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
194 *IXP4XX_EXP_CS0 = IXP4XX_EXP_BUS_CS_EN |
195 IXP4XX_EXP_BUS_STROBE_T(3) |
196 IXP4XX_EXP_BUS_SIZE(0xF) |
197 IXP4XX_EXP_BUS_BYTE_RD16 |
198 IXP4XX_EXP_BUS_WR_EN;
199 *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
200
201 /* SRAM on CS2, (256kB, 8bit, writable) */
202 vulcan_sram_resource.start = IXP4XX_EXP_BUS_BASE(2);
203 vulcan_sram_resource.end = IXP4XX_EXP_BUS_BASE(2) + SZ_256K - 1;
204 *IXP4XX_EXP_CS2 = IXP4XX_EXP_BUS_CS_EN |
205 IXP4XX_EXP_BUS_STROBE_T(1) |
206 IXP4XX_EXP_BUS_HOLD_T(2) |
207 IXP4XX_EXP_BUS_SIZE(9) |
208 IXP4XX_EXP_BUS_SPLT_EN |
209 IXP4XX_EXP_BUS_WR_EN |
210 IXP4XX_EXP_BUS_BYTE_EN;
211
212 /* XR16L2551 on CS3 (Moto style, 512 bytes, 8bits, writable) */
213 vulcan_uart_resources[2].start = IXP4XX_EXP_BUS_BASE(3);
214 vulcan_uart_resources[2].end = IXP4XX_EXP_BUS_BASE(3) + 16 - 1;
215 vulcan_uart_data[2].mapbase = vulcan_uart_resources[2].start;
216 vulcan_uart_data[3].mapbase = vulcan_uart_data[2].mapbase + 8;
217 *IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN |
218 IXP4XX_EXP_BUS_STROBE_T(3) |
219 IXP4XX_EXP_BUS_CYCLES(IXP4XX_EXP_BUS_CYCLES_MOTOROLA)|
220 IXP4XX_EXP_BUS_WR_EN |
221 IXP4XX_EXP_BUS_BYTE_EN;
222
223 /* GPIOS on CS4 (512 bytes, 8bits, writable) */
224 *IXP4XX_EXP_CS4 = IXP4XX_EXP_BUS_CS_EN |
225 IXP4XX_EXP_BUS_WR_EN |
226 IXP4XX_EXP_BUS_BYTE_EN;
227
228 /* max6369 on CS5 (512 bytes, 8bits, writable) */
229 vulcan_max6369_resource.start = IXP4XX_EXP_BUS_BASE(5);
230 vulcan_max6369_resource.end = IXP4XX_EXP_BUS_BASE(5);
231 *IXP4XX_EXP_CS5 = IXP4XX_EXP_BUS_CS_EN |
232 IXP4XX_EXP_BUS_WR_EN |
233 IXP4XX_EXP_BUS_BYTE_EN;
234
235 platform_add_devices(vulcan_devices, ARRAY_SIZE(vulcan_devices));
236}
237
238MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
239 /* Maintainer: Marc Zyngier <maz@misterjones.org> */
240 .map_io = ixp4xx_map_io,
241 .init_early = ixp4xx_init_early,
242 .init_irq = ixp4xx_init_irq,
243 .init_time = ixp4xx_timer_init,
244 .atag_offset = 0x100,
245 .init_machine = vulcan_init,
246#if defined(CONFIG_PCI)
247 .dma_zone_size = SZ_64M,
248#endif
249 .restart = ixp4xx_restart,
250MACHINE_END
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * arch/arm/mach-ixp4xx/vulcan-setup.c
4 *
5 * Arcom/Eurotech Vulcan board-setup
6 *
7 * Copyright (C) 2010 Marc Zyngier <maz@misterjones.org>
8 *
9 * based on fsg-setup.c:
10 * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
11 */
12
13#include <linux/if_ether.h>
14#include <linux/irq.h>
15#include <linux/serial.h>
16#include <linux/serial_8250.h>
17#include <linux/io.h>
18#include <linux/w1-gpio.h>
19#include <linux/gpio/machine.h>
20#include <linux/mtd/plat-ram.h>
21#include <asm/mach-types.h>
22#include <asm/mach/arch.h>
23#include <asm/mach/flash.h>
24
25static struct flash_platform_data vulcan_flash_data = {
26 .map_name = "cfi_probe",
27 .width = 2,
28};
29
30static struct resource vulcan_flash_resource = {
31 .flags = IORESOURCE_MEM,
32};
33
34static struct platform_device vulcan_flash = {
35 .name = "IXP4XX-Flash",
36 .id = 0,
37 .dev = {
38 .platform_data = &vulcan_flash_data,
39 },
40 .resource = &vulcan_flash_resource,
41 .num_resources = 1,
42};
43
44static struct platdata_mtd_ram vulcan_sram_data = {
45 .mapname = "Vulcan SRAM",
46 .bankwidth = 1,
47};
48
49static struct resource vulcan_sram_resource = {
50 .flags = IORESOURCE_MEM,
51};
52
53static struct platform_device vulcan_sram = {
54 .name = "mtd-ram",
55 .id = 0,
56 .dev = {
57 .platform_data = &vulcan_sram_data,
58 },
59 .resource = &vulcan_sram_resource,
60 .num_resources = 1,
61};
62
63static struct resource vulcan_uart_resources[] = {
64 [0] = {
65 .start = IXP4XX_UART1_BASE_PHYS,
66 .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
67 .flags = IORESOURCE_MEM,
68 },
69 [1] = {
70 .start = IXP4XX_UART2_BASE_PHYS,
71 .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
72 .flags = IORESOURCE_MEM,
73 },
74 [2] = {
75 .flags = IORESOURCE_MEM,
76 },
77};
78
79static struct plat_serial8250_port vulcan_uart_data[] = {
80 [0] = {
81 .mapbase = IXP4XX_UART1_BASE_PHYS,
82 .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
83 .irq = IRQ_IXP4XX_UART1,
84 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
85 .iotype = UPIO_MEM,
86 .regshift = 2,
87 .uartclk = IXP4XX_UART_XTAL,
88 },
89 [1] = {
90 .mapbase = IXP4XX_UART2_BASE_PHYS,
91 .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
92 .irq = IRQ_IXP4XX_UART2,
93 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
94 .iotype = UPIO_MEM,
95 .regshift = 2,
96 .uartclk = IXP4XX_UART_XTAL,
97 },
98 [2] = {
99 .irq = IXP4XX_GPIO_IRQ(4),
100 .irqflags = IRQF_TRIGGER_LOW,
101 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
102 .iotype = UPIO_MEM,
103 .uartclk = 1843200,
104 },
105 [3] = {
106 .irq = IXP4XX_GPIO_IRQ(4),
107 .irqflags = IRQF_TRIGGER_LOW,
108 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
109 .iotype = UPIO_MEM,
110 .uartclk = 1843200,
111 },
112 { }
113};
114
115static struct platform_device vulcan_uart = {
116 .name = "serial8250",
117 .id = PLAT8250_DEV_PLATFORM,
118 .dev = {
119 .platform_data = vulcan_uart_data,
120 },
121 .resource = vulcan_uart_resources,
122 .num_resources = ARRAY_SIZE(vulcan_uart_resources),
123};
124
125static struct eth_plat_info vulcan_plat_eth[] = {
126 [0] = {
127 .phy = 0,
128 .rxq = 3,
129 .txreadyq = 20,
130 },
131 [1] = {
132 .phy = 1,
133 .rxq = 4,
134 .txreadyq = 21,
135 },
136};
137
138static struct platform_device vulcan_eth[] = {
139 [0] = {
140 .name = "ixp4xx_eth",
141 .id = IXP4XX_ETH_NPEB,
142 .dev = {
143 .platform_data = &vulcan_plat_eth[0],
144 },
145 },
146 [1] = {
147 .name = "ixp4xx_eth",
148 .id = IXP4XX_ETH_NPEC,
149 .dev = {
150 .platform_data = &vulcan_plat_eth[1],
151 },
152 },
153};
154
155static struct resource vulcan_max6369_resource = {
156 .flags = IORESOURCE_MEM,
157};
158
159static struct platform_device vulcan_max6369 = {
160 .name = "max6369_wdt",
161 .id = -1,
162 .resource = &vulcan_max6369_resource,
163 .num_resources = 1,
164};
165
166static struct gpiod_lookup_table vulcan_w1_gpiod_table = {
167 .dev_id = "w1-gpio",
168 .table = {
169 GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", 14, NULL, 0,
170 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
171 },
172};
173
174static struct w1_gpio_platform_data vulcan_w1_gpio_pdata = {
175 /* Intentionally left blank */
176};
177
178static struct platform_device vulcan_w1_gpio = {
179 .name = "w1-gpio",
180 .id = 0,
181 .dev = {
182 .platform_data = &vulcan_w1_gpio_pdata,
183 },
184};
185
186static struct platform_device *vulcan_devices[] __initdata = {
187 &vulcan_uart,
188 &vulcan_flash,
189 &vulcan_sram,
190 &vulcan_max6369,
191 &vulcan_eth[0],
192 &vulcan_eth[1],
193 &vulcan_w1_gpio,
194};
195
196static void __init vulcan_init(void)
197{
198 ixp4xx_sys_init();
199
200 /* Flash is spread over both CS0 and CS1 */
201 vulcan_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
202 vulcan_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
203 *IXP4XX_EXP_CS0 = IXP4XX_EXP_BUS_CS_EN |
204 IXP4XX_EXP_BUS_STROBE_T(3) |
205 IXP4XX_EXP_BUS_SIZE(0xF) |
206 IXP4XX_EXP_BUS_BYTE_RD16 |
207 IXP4XX_EXP_BUS_WR_EN;
208 *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
209
210 /* SRAM on CS2, (256kB, 8bit, writable) */
211 vulcan_sram_resource.start = IXP4XX_EXP_BUS_BASE(2);
212 vulcan_sram_resource.end = IXP4XX_EXP_BUS_BASE(2) + SZ_256K - 1;
213 *IXP4XX_EXP_CS2 = IXP4XX_EXP_BUS_CS_EN |
214 IXP4XX_EXP_BUS_STROBE_T(1) |
215 IXP4XX_EXP_BUS_HOLD_T(2) |
216 IXP4XX_EXP_BUS_SIZE(9) |
217 IXP4XX_EXP_BUS_SPLT_EN |
218 IXP4XX_EXP_BUS_WR_EN |
219 IXP4XX_EXP_BUS_BYTE_EN;
220
221 /* XR16L2551 on CS3 (Moto style, 512 bytes, 8bits, writable) */
222 vulcan_uart_resources[2].start = IXP4XX_EXP_BUS_BASE(3);
223 vulcan_uart_resources[2].end = IXP4XX_EXP_BUS_BASE(3) + 16 - 1;
224 vulcan_uart_data[2].mapbase = vulcan_uart_resources[2].start;
225 vulcan_uart_data[3].mapbase = vulcan_uart_data[2].mapbase + 8;
226 *IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN |
227 IXP4XX_EXP_BUS_STROBE_T(3) |
228 IXP4XX_EXP_BUS_CYCLES(IXP4XX_EXP_BUS_CYCLES_MOTOROLA)|
229 IXP4XX_EXP_BUS_WR_EN |
230 IXP4XX_EXP_BUS_BYTE_EN;
231
232 /* GPIOS on CS4 (512 bytes, 8bits, writable) */
233 *IXP4XX_EXP_CS4 = IXP4XX_EXP_BUS_CS_EN |
234 IXP4XX_EXP_BUS_WR_EN |
235 IXP4XX_EXP_BUS_BYTE_EN;
236
237 /* max6369 on CS5 (512 bytes, 8bits, writable) */
238 vulcan_max6369_resource.start = IXP4XX_EXP_BUS_BASE(5);
239 vulcan_max6369_resource.end = IXP4XX_EXP_BUS_BASE(5);
240 *IXP4XX_EXP_CS5 = IXP4XX_EXP_BUS_CS_EN |
241 IXP4XX_EXP_BUS_WR_EN |
242 IXP4XX_EXP_BUS_BYTE_EN;
243
244 gpiod_add_lookup_table(&vulcan_w1_gpiod_table);
245 platform_add_devices(vulcan_devices, ARRAY_SIZE(vulcan_devices));
246}
247
248MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
249 /* Maintainer: Marc Zyngier <maz@misterjones.org> */
250 .map_io = ixp4xx_map_io,
251 .init_early = ixp4xx_init_early,
252 .init_irq = ixp4xx_init_irq,
253 .init_time = ixp4xx_timer_init,
254 .atag_offset = 0x100,
255 .init_machine = vulcan_init,
256#if defined(CONFIG_PCI)
257 .dma_zone_size = SZ_64M,
258#endif
259 .restart = ixp4xx_restart,
260MACHINE_END