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Bahadir Balbana9b67db2008-04-18 22:43:13 +01001/*
2 * linux/arch/arm/mach-realview/realview_pb11mp.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>
Russell Kingfced80c2008-09-06 12:10:45 +010028#include <linux/io.h>
Bahadir Balbana9b67db2008-04-18 22:43:13 +010029
Russell Kinga09e64f2008-08-05 16:14:15 +010030#include <mach/hardware.h>
Bahadir Balbana9b67db2008-04-18 22:43:13 +010031#include <asm/irq.h>
32#include <asm/leds.h>
33#include <asm/mach-types.h>
34#include <asm/hardware/gic.h>
35#include <asm/hardware/icst307.h>
36#include <asm/hardware/cache-l2x0.h>
Russell Kingf32f4ce2009-05-16 12:14:21 +010037#include <asm/localtimer.h>
Bahadir Balbana9b67db2008-04-18 22:43:13 +010038
39#include <asm/mach/arch.h>
40#include <asm/mach/flash.h>
41#include <asm/mach/map.h>
Bahadir Balbana9b67db2008-04-18 22:43:13 +010042#include <asm/mach/time.h>
43
Russell Kinga09e64f2008-08-05 16:14:15 +010044#include <mach/board-pb11mp.h>
45#include <mach/irqs.h>
Bahadir Balbana9b67db2008-04-18 22:43:13 +010046
47#include "core.h"
48#include "clock.h"
49
50static struct map_desc realview_pb11mp_io_desc[] __initdata = {
51 {
52 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
53 .pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
54 .length = SZ_4K,
55 .type = MT_DEVICE,
56 }, {
57 .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_CPU_BASE),
58 .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE),
59 .length = SZ_4K,
60 .type = MT_DEVICE,
61 }, {
62 .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE),
63 .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE),
64 .length = SZ_4K,
65 .type = MT_DEVICE,
66 }, {
67 .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE),
68 .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE),
69 .length = SZ_4K,
70 .type = MT_DEVICE,
71 }, {
72 .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE),
73 .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_DIST_BASE),
74 .length = SZ_4K,
75 .type = MT_DEVICE,
76 }, {
77 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
78 .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
79 .length = SZ_4K,
80 .type = MT_DEVICE,
81 }, {
82 .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER0_1_BASE),
83 .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE),
84 .length = SZ_4K,
85 .type = MT_DEVICE,
86 }, {
87 .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE),
88 .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE),
89 .length = SZ_4K,
90 .type = MT_DEVICE,
91 }, {
92 .virtual = IO_ADDRESS(REALVIEW_TC11MP_L220_BASE),
93 .pfn = __phys_to_pfn(REALVIEW_TC11MP_L220_BASE),
94 .length = SZ_8K,
95 .type = MT_DEVICE,
96 },
97#ifdef CONFIG_DEBUG_LL
98 {
99 .virtual = IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE),
100 .pfn = __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE),
101 .length = SZ_4K,
102 .type = MT_DEVICE,
103 },
104#endif
105};
106
107static void __init realview_pb11mp_map_io(void)
108{
109 iotable_init(realview_pb11mp_io_desc, ARRAY_SIZE(realview_pb11mp_io_desc));
110}
111
Russell Kingeb7fffa2009-07-05 22:41:31 +0100112static struct pl061_platform_data gpio0_plat_data = {
113 .gpio_base = 0,
114 .irq_base = -1,
115};
116
117static struct pl061_platform_data gpio1_plat_data = {
118 .gpio_base = 8,
119 .irq_base = -1,
120};
121
122static struct pl061_platform_data gpio2_plat_data = {
123 .gpio_base = 16,
124 .irq_base = -1,
125};
126
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100127/*
128 * RealView PB11MPCore AMBA devices
129 */
130
131#define GPIO2_IRQ { IRQ_PB11MP_GPIO2, NO_IRQ }
132#define GPIO2_DMA { 0, 0 }
133#define GPIO3_IRQ { IRQ_PB11MP_GPIO3, NO_IRQ }
134#define GPIO3_DMA { 0, 0 }
135#define AACI_IRQ { IRQ_TC11MP_AACI, NO_IRQ }
136#define AACI_DMA { 0x80, 0x81 }
137#define MMCI0_IRQ { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
138#define MMCI0_DMA { 0x84, 0 }
139#define KMI0_IRQ { IRQ_TC11MP_KMI0, NO_IRQ }
140#define KMI0_DMA { 0, 0 }
141#define KMI1_IRQ { IRQ_TC11MP_KMI1, NO_IRQ }
142#define KMI1_DMA { 0, 0 }
143#define PB11MP_SMC_IRQ { NO_IRQ, NO_IRQ }
144#define PB11MP_SMC_DMA { 0, 0 }
145#define MPMC_IRQ { NO_IRQ, NO_IRQ }
146#define MPMC_DMA { 0, 0 }
147#define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD, NO_IRQ }
148#define PB11MP_CLCD_DMA { 0, 0 }
149#define DMAC_IRQ { IRQ_PB11MP_DMAC, NO_IRQ }
150#define DMAC_DMA { 0, 0 }
151#define SCTL_IRQ { NO_IRQ, NO_IRQ }
152#define SCTL_DMA { 0, 0 }
153#define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG, NO_IRQ }
154#define PB11MP_WATCHDOG_DMA { 0, 0 }
155#define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0, NO_IRQ }
156#define PB11MP_GPIO0_DMA { 0, 0 }
157#define GPIO1_IRQ { IRQ_PB11MP_GPIO1, NO_IRQ }
158#define GPIO1_DMA { 0, 0 }
159#define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC, NO_IRQ }
160#define PB11MP_RTC_DMA { 0, 0 }
161#define SCI_IRQ { IRQ_PB11MP_SCI, NO_IRQ }
162#define SCI_DMA { 7, 6 }
163#define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0, NO_IRQ }
164#define PB11MP_UART0_DMA { 15, 14 }
165#define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1, NO_IRQ }
166#define PB11MP_UART1_DMA { 13, 12 }
167#define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2, NO_IRQ }
168#define PB11MP_UART2_DMA { 11, 10 }
169#define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3, NO_IRQ }
170#define PB11MP_UART3_DMA { 0x86, 0x87 }
171#define PB11MP_SSP_IRQ { IRQ_PB11MP_SSP, NO_IRQ }
172#define PB11MP_SSP_DMA { 9, 8 }
173
174/* FPGA Primecells */
Linus Walleij43215322009-09-21 12:30:32 +0100175AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL);
176AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
177AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
178AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
179AMBA_DEVICE(uart3, "fpga:uart3", PB11MP_UART3, NULL);
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100180
181/* DevChip Primecells */
Linus Walleij43215322009-09-21 12:30:32 +0100182AMBA_DEVICE(smc, "dev:smc", PB11MP_SMC, NULL);
183AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL);
184AMBA_DEVICE(wdog, "dev:wdog", PB11MP_WATCHDOG, NULL);
185AMBA_DEVICE(gpio0, "dev:gpio0", PB11MP_GPIO0, &gpio0_plat_data);
186AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
187AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
188AMBA_DEVICE(rtc, "dev:rtc", PB11MP_RTC, NULL);
189AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL);
190AMBA_DEVICE(uart0, "dev:uart0", PB11MP_UART0, NULL);
191AMBA_DEVICE(uart1, "dev:uart1", PB11MP_UART1, NULL);
192AMBA_DEVICE(uart2, "dev:uart2", PB11MP_UART2, NULL);
193AMBA_DEVICE(ssp0, "dev:ssp0", PB11MP_SSP, NULL);
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100194
195/* Primecells on the NEC ISSP chip */
Linus Walleij43215322009-09-21 12:30:32 +0100196AMBA_DEVICE(clcd, "issp:clcd", PB11MP_CLCD, &clcd_plat_data);
197AMBA_DEVICE(dmac, "issp:dmac", DMAC, NULL);
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100198
199static struct amba_device *amba_devs[] __initdata = {
200 &dmac_device,
201 &uart0_device,
202 &uart1_device,
203 &uart2_device,
204 &uart3_device,
205 &smc_device,
206 &clcd_device,
207 &sctl_device,
208 &wdog_device,
209 &gpio0_device,
210 &gpio1_device,
211 &gpio2_device,
212 &rtc_device,
213 &sci0_device,
214 &ssp0_device,
215 &aaci_device,
216 &mmc0_device,
217 &kmi0_device,
218 &kmi1_device,
219};
220
221/*
222 * RealView PB11MPCore platform devices
223 */
224static struct resource realview_pb11mp_flash_resource[] = {
225 [0] = {
226 .start = REALVIEW_PB11MP_FLASH0_BASE,
227 .end = REALVIEW_PB11MP_FLASH0_BASE + REALVIEW_PB11MP_FLASH0_SIZE - 1,
228 .flags = IORESOURCE_MEM,
229 },
230 [1] = {
231 .start = REALVIEW_PB11MP_FLASH1_BASE,
232 .end = REALVIEW_PB11MP_FLASH1_BASE + REALVIEW_PB11MP_FLASH1_SIZE - 1,
233 .flags = IORESOURCE_MEM,
234 },
235};
236
237static struct resource realview_pb11mp_smsc911x_resources[] = {
238 [0] = {
239 .start = REALVIEW_PB11MP_ETH_BASE,
240 .end = REALVIEW_PB11MP_ETH_BASE + SZ_64K - 1,
241 .flags = IORESOURCE_MEM,
242 },
243 [1] = {
244 .start = IRQ_TC11MP_ETH,
245 .end = IRQ_TC11MP_ETH,
246 .flags = IORESOURCE_IRQ,
247 },
248};
249
Catalin Marinas7db21712009-02-12 16:00:21 +0100250static struct resource realview_pb11mp_isp1761_resources[] = {
251 [0] = {
252 .start = REALVIEW_PB11MP_USB_BASE,
253 .end = REALVIEW_PB11MP_USB_BASE + SZ_128K - 1,
254 .flags = IORESOURCE_MEM,
255 },
256 [1] = {
257 .start = IRQ_TC11MP_USB,
258 .end = IRQ_TC11MP_USB,
259 .flags = IORESOURCE_IRQ,
260 },
261};
262
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100263static void __init gic_init_irq(void)
264{
265 unsigned int pldctrl;
266
267 /* new irq mode with no DCC */
268 writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
269 pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
270 pldctrl |= 2 << 22;
271 writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
272 writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
273
274 /* ARM11MPCore test chip GIC, primary */
275 gic_cpu_base_addr = __io_address(REALVIEW_TC11MP_GIC_CPU_BASE);
276 gic_dist_init(0, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE), 29);
277 gic_cpu_init(0, gic_cpu_base_addr);
278
279 /* board GIC, secondary */
280 gic_dist_init(1, __io_address(REALVIEW_PB11MP_GIC_DIST_BASE), IRQ_PB11MP_GIC_START);
281 gic_cpu_init(1, __io_address(REALVIEW_PB11MP_GIC_CPU_BASE));
282 gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
283}
284
285static void __init realview_pb11mp_timer_init(void)
286{
287 timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE);
288 timer1_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE) + 0x20;
289 timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE);
290 timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20;
291
292#ifdef CONFIG_LOCAL_TIMERS
Catalin Marinasebac6542008-12-01 14:54:57 +0000293 twd_base = __io_address(REALVIEW_TC11MP_TWD_BASE);
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100294#endif
295 realview_timer_init(IRQ_TC11MP_TIMER0_1);
296}
297
298static struct sys_timer realview_pb11mp_timer = {
299 .init = realview_pb11mp_timer_init,
300};
301
302static void __init realview_pb11mp_init(void)
303{
304 int i;
305
Catalin Marinasba927952008-04-18 22:43:17 +0100306#ifdef CONFIG_CACHE_L2X0
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100307 /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
308 * Bits: .... ...0 0111 1001 0000 .... .... .... */
309 l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
Catalin Marinasba927952008-04-18 22:43:17 +0100310#endif
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100311
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100312 realview_flash_register(realview_pb11mp_flash_resource,
313 ARRAY_SIZE(realview_pb11mp_flash_resource));
Catalin Marinas0a381332008-12-01 14:54:58 +0000314 realview_eth_register(NULL, realview_pb11mp_smsc911x_resources);
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100315 platform_device_register(&realview_i2c_device);
Catalin Marinas6be62ba2009-02-12 15:59:21 +0100316 platform_device_register(&realview_cf_device);
Catalin Marinas7db21712009-02-12 16:00:21 +0100317 realview_usb_register(realview_pb11mp_isp1761_resources);
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100318
319 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
320 struct amba_device *d = amba_devs[i];
321 amba_device_register(d, &iomem_resource);
322 }
323
324#ifdef CONFIG_LEDS
325 leds_event = realview_leds_event;
326#endif
327}
328
329MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
330 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
331 .phys_io = REALVIEW_PB11MP_UART0_BASE,
332 .io_pg_offst = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc,
Catalin Marinas70bb62f2008-12-01 14:54:55 +0000333 .boot_params = PHYS_OFFSET + 0x00000100,
Bahadir Balbana9b67db2008-04-18 22:43:13 +0100334 .map_io = realview_pb11mp_map_io,
335 .init_irq = gic_init_irq,
336 .timer = &realview_pb11mp_timer,
337 .init_machine = realview_pb11mp_init,
338MACHINE_END