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Bahadir Balbane7c70822008-12-01 14:54:55 +00001/*
2 * linux/arch/arm/mach-realview/realview_pba8.c
3 *
4 * Copyright (C) 2008 ARM Limited
5 * Copyright (C) 2000 Deep Blue Solutions Ltd
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22#include <linux/init.h>
23#include <linux/platform_device.h>
24#include <linux/sysdev.h>
25#include <linux/amba/bus.h>
Russell Kingeb7fffa2009-07-05 22:41:31 +010026#include <linux/amba/pl061.h>
Linus Walleij6ef297f2009-09-22 14:29:36 +010027#include <linux/amba/mmci.h>
Bahadir Balbane7c70822008-12-01 14:54:55 +000028#include <linux/io.h>
29
30#include <asm/irq.h>
31#include <asm/leds.h>
32#include <asm/mach-types.h>
33#include <asm/hardware/gic.h>
34#include <asm/hardware/icst307.h>
35
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
Bahadir Balbane7c70822008-12-01 14:54:55 +000038#include <asm/mach/time.h>
39
40#include <mach/hardware.h>
41#include <mach/board-pba8.h>
42#include <mach/irqs.h>
43
44#include "core.h"
45#include "clock.h"
46
47static struct map_desc realview_pba8_io_desc[] __initdata = {
48 {
49 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
50 .pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
51 .length = SZ_4K,
52 .type = MT_DEVICE,
53 }, {
54 .virtual = IO_ADDRESS(REALVIEW_PBA8_GIC_CPU_BASE),
55 .pfn = __phys_to_pfn(REALVIEW_PBA8_GIC_CPU_BASE),
56 .length = SZ_4K,
57 .type = MT_DEVICE,
58 }, {
59 .virtual = IO_ADDRESS(REALVIEW_PBA8_GIC_DIST_BASE),
60 .pfn = __phys_to_pfn(REALVIEW_PBA8_GIC_DIST_BASE),
61 .length = SZ_4K,
62 .type = MT_DEVICE,
63 }, {
64 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
65 .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
66 .length = SZ_4K,
67 .type = MT_DEVICE,
68 }, {
69 .virtual = IO_ADDRESS(REALVIEW_PBA8_TIMER0_1_BASE),
70 .pfn = __phys_to_pfn(REALVIEW_PBA8_TIMER0_1_BASE),
71 .length = SZ_4K,
72 .type = MT_DEVICE,
73 }, {
74 .virtual = IO_ADDRESS(REALVIEW_PBA8_TIMER2_3_BASE),
75 .pfn = __phys_to_pfn(REALVIEW_PBA8_TIMER2_3_BASE),
76 .length = SZ_4K,
77 .type = MT_DEVICE,
78 },
79#ifdef CONFIG_PCI
80 {
81 .virtual = PCIX_UNIT_BASE,
82 .pfn = __phys_to_pfn(REALVIEW_PBA8_PCI_BASE),
83 .length = REALVIEW_PBA8_PCI_BASE_SIZE,
84 .type = MT_DEVICE
85 },
86#endif
87#ifdef CONFIG_DEBUG_LL
88 {
89 .virtual = IO_ADDRESS(REALVIEW_PBA8_UART0_BASE),
90 .pfn = __phys_to_pfn(REALVIEW_PBA8_UART0_BASE),
91 .length = SZ_4K,
92 .type = MT_DEVICE,
93 },
94#endif
95};
96
97static void __init realview_pba8_map_io(void)
98{
99 iotable_init(realview_pba8_io_desc, ARRAY_SIZE(realview_pba8_io_desc));
100}
101
Russell Kingeb7fffa2009-07-05 22:41:31 +0100102static struct pl061_platform_data gpio0_plat_data = {
103 .gpio_base = 0,
104 .irq_base = -1,
105};
106
107static struct pl061_platform_data gpio1_plat_data = {
108 .gpio_base = 8,
109 .irq_base = -1,
110};
111
112static struct pl061_platform_data gpio2_plat_data = {
113 .gpio_base = 16,
114 .irq_base = -1,
115};
116
Bahadir Balbane7c70822008-12-01 14:54:55 +0000117/*
118 * RealView PBA8Core AMBA devices
119 */
120
121#define GPIO2_IRQ { IRQ_PBA8_GPIO2, NO_IRQ }
122#define GPIO2_DMA { 0, 0 }
123#define GPIO3_IRQ { IRQ_PBA8_GPIO3, NO_IRQ }
124#define GPIO3_DMA { 0, 0 }
125#define AACI_IRQ { IRQ_PBA8_AACI, NO_IRQ }
126#define AACI_DMA { 0x80, 0x81 }
127#define MMCI0_IRQ { IRQ_PBA8_MMCI0A, IRQ_PBA8_MMCI0B }
128#define MMCI0_DMA { 0x84, 0 }
129#define KMI0_IRQ { IRQ_PBA8_KMI0, NO_IRQ }
130#define KMI0_DMA { 0, 0 }
131#define KMI1_IRQ { IRQ_PBA8_KMI1, NO_IRQ }
132#define KMI1_DMA { 0, 0 }
133#define PBA8_SMC_IRQ { NO_IRQ, NO_IRQ }
134#define PBA8_SMC_DMA { 0, 0 }
135#define MPMC_IRQ { NO_IRQ, NO_IRQ }
136#define MPMC_DMA { 0, 0 }
137#define PBA8_CLCD_IRQ { IRQ_PBA8_CLCD, NO_IRQ }
138#define PBA8_CLCD_DMA { 0, 0 }
139#define DMAC_IRQ { IRQ_PBA8_DMAC, NO_IRQ }
140#define DMAC_DMA { 0, 0 }
141#define SCTL_IRQ { NO_IRQ, NO_IRQ }
142#define SCTL_DMA { 0, 0 }
143#define PBA8_WATCHDOG_IRQ { IRQ_PBA8_WATCHDOG, NO_IRQ }
144#define PBA8_WATCHDOG_DMA { 0, 0 }
145#define PBA8_GPIO0_IRQ { IRQ_PBA8_GPIO0, NO_IRQ }
146#define PBA8_GPIO0_DMA { 0, 0 }
147#define GPIO1_IRQ { IRQ_PBA8_GPIO1, NO_IRQ }
148#define GPIO1_DMA { 0, 0 }
149#define PBA8_RTC_IRQ { IRQ_PBA8_RTC, NO_IRQ }
150#define PBA8_RTC_DMA { 0, 0 }
151#define SCI_IRQ { IRQ_PBA8_SCI, NO_IRQ }
152#define SCI_DMA { 7, 6 }
153#define PBA8_UART0_IRQ { IRQ_PBA8_UART0, NO_IRQ }
154#define PBA8_UART0_DMA { 15, 14 }
155#define PBA8_UART1_IRQ { IRQ_PBA8_UART1, NO_IRQ }
156#define PBA8_UART1_DMA { 13, 12 }
157#define PBA8_UART2_IRQ { IRQ_PBA8_UART2, NO_IRQ }
158#define PBA8_UART2_DMA { 11, 10 }
159#define PBA8_UART3_IRQ { IRQ_PBA8_UART3, NO_IRQ }
160#define PBA8_UART3_DMA { 0x86, 0x87 }
161#define PBA8_SSP_IRQ { IRQ_PBA8_SSP, NO_IRQ }
162#define PBA8_SSP_DMA { 9, 8 }
163
164/* FPGA Primecells */
Linus Walleij43215322009-09-21 12:30:32 +0100165AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL);
166AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
167AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
168AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
169AMBA_DEVICE(uart3, "fpga:uart3", PBA8_UART3, NULL);
Bahadir Balbane7c70822008-12-01 14:54:55 +0000170
171/* DevChip Primecells */
Linus Walleij43215322009-09-21 12:30:32 +0100172AMBA_DEVICE(smc, "dev:smc", PBA8_SMC, NULL);
173AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL);
174AMBA_DEVICE(wdog, "dev:wdog", PBA8_WATCHDOG, NULL);
175AMBA_DEVICE(gpio0, "dev:gpio0", PBA8_GPIO0, &gpio0_plat_data);
176AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
177AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
178AMBA_DEVICE(rtc, "dev:rtc", PBA8_RTC, NULL);
179AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL);
180AMBA_DEVICE(uart0, "dev:uart0", PBA8_UART0, NULL);
181AMBA_DEVICE(uart1, "dev:uart1", PBA8_UART1, NULL);
182AMBA_DEVICE(uart2, "dev:uart2", PBA8_UART2, NULL);
183AMBA_DEVICE(ssp0, "dev:ssp0", PBA8_SSP, NULL);
Bahadir Balbane7c70822008-12-01 14:54:55 +0000184
185/* Primecells on the NEC ISSP chip */
Linus Walleij43215322009-09-21 12:30:32 +0100186AMBA_DEVICE(clcd, "issp:clcd", PBA8_CLCD, &clcd_plat_data);
187AMBA_DEVICE(dmac, "issp:dmac", DMAC, NULL);
Bahadir Balbane7c70822008-12-01 14:54:55 +0000188
189static struct amba_device *amba_devs[] __initdata = {
190 &dmac_device,
191 &uart0_device,
192 &uart1_device,
193 &uart2_device,
194 &uart3_device,
195 &smc_device,
196 &clcd_device,
197 &sctl_device,
198 &wdog_device,
199 &gpio0_device,
200 &gpio1_device,
201 &gpio2_device,
202 &rtc_device,
203 &sci0_device,
204 &ssp0_device,
205 &aaci_device,
206 &mmc0_device,
207 &kmi0_device,
208 &kmi1_device,
209};
210
211/*
212 * RealView PB-A8 platform devices
213 */
214static struct resource realview_pba8_flash_resource[] = {
215 [0] = {
216 .start = REALVIEW_PBA8_FLASH0_BASE,
217 .end = REALVIEW_PBA8_FLASH0_BASE + REALVIEW_PBA8_FLASH0_SIZE - 1,
218 .flags = IORESOURCE_MEM,
219 },
220 [1] = {
221 .start = REALVIEW_PBA8_FLASH1_BASE,
222 .end = REALVIEW_PBA8_FLASH1_BASE + REALVIEW_PBA8_FLASH1_SIZE - 1,
223 .flags = IORESOURCE_MEM,
224 },
225};
226
227static struct resource realview_pba8_smsc911x_resources[] = {
228 [0] = {
229 .start = REALVIEW_PBA8_ETH_BASE,
230 .end = REALVIEW_PBA8_ETH_BASE + SZ_64K - 1,
231 .flags = IORESOURCE_MEM,
232 },
233 [1] = {
234 .start = IRQ_PBA8_ETH,
235 .end = IRQ_PBA8_ETH,
236 .flags = IORESOURCE_IRQ,
237 },
238};
239
Catalin Marinas7db21712009-02-12 16:00:21 +0100240static struct resource realview_pba8_isp1761_resources[] = {
241 [0] = {
242 .start = REALVIEW_PBA8_USB_BASE,
243 .end = REALVIEW_PBA8_USB_BASE + SZ_128K - 1,
244 .flags = IORESOURCE_MEM,
245 },
246 [1] = {
247 .start = IRQ_PBA8_USB,
248 .end = IRQ_PBA8_USB,
249 .flags = IORESOURCE_IRQ,
250 },
251};
252
Bahadir Balbane7c70822008-12-01 14:54:55 +0000253static void __init gic_init_irq(void)
254{
255 /* ARM PB-A8 on-board GIC */
256 gic_cpu_base_addr = __io_address(REALVIEW_PBA8_GIC_CPU_BASE);
257 gic_dist_init(0, __io_address(REALVIEW_PBA8_GIC_DIST_BASE), IRQ_PBA8_GIC_START);
258 gic_cpu_init(0, __io_address(REALVIEW_PBA8_GIC_CPU_BASE));
259}
260
261static void __init realview_pba8_timer_init(void)
262{
263 timer0_va_base = __io_address(REALVIEW_PBA8_TIMER0_1_BASE);
264 timer1_va_base = __io_address(REALVIEW_PBA8_TIMER0_1_BASE) + 0x20;
265 timer2_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE);
266 timer3_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE) + 0x20;
267
268 realview_timer_init(IRQ_PBA8_TIMER0_1);
269}
270
271static struct sys_timer realview_pba8_timer = {
272 .init = realview_pba8_timer_init,
273};
274
275static void __init realview_pba8_init(void)
276{
277 int i;
278
279 realview_flash_register(realview_pba8_flash_resource,
280 ARRAY_SIZE(realview_pba8_flash_resource));
Catalin Marinas0a381332008-12-01 14:54:58 +0000281 realview_eth_register(NULL, realview_pba8_smsc911x_resources);
Bahadir Balbane7c70822008-12-01 14:54:55 +0000282 platform_device_register(&realview_i2c_device);
Catalin Marinas6be62ba2009-02-12 15:59:21 +0100283 platform_device_register(&realview_cf_device);
Catalin Marinas7db21712009-02-12 16:00:21 +0100284 realview_usb_register(realview_pba8_isp1761_resources);
Bahadir Balbane7c70822008-12-01 14:54:55 +0000285
286 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
287 struct amba_device *d = amba_devs[i];
288 amba_device_register(d, &iomem_resource);
289 }
290
291#ifdef CONFIG_LEDS
292 leds_event = realview_leds_event;
293#endif
294}
295
296MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8")
297 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
298 .phys_io = REALVIEW_PBA8_UART0_BASE,
299 .io_pg_offst = (IO_ADDRESS(REALVIEW_PBA8_UART0_BASE) >> 18) & 0xfffc,
300 .boot_params = PHYS_OFFSET + 0x00000100,
Catalin Marinas5b39d152009-11-04 12:19:04 +0000301 .fixup = realview_fixup,
Bahadir Balbane7c70822008-12-01 14:54:55 +0000302 .map_io = realview_pba8_map_io,
303 .init_irq = gic_init_irq,
304 .timer = &realview_pba8_timer,
305 .init_machine = realview_pba8_init,
306MACHINE_END