1 /* linux/arch/arm/mach-s3c2410/mach-vr1000.c
3 * Copyright (c) 2003-2005 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * Machine support for Thorcom VR1000 board. Designed for Thorcom by
7 * Simtec Electronics, http://www.simtec.co.uk/
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 * 14-Sep-2004 BJD USB Power control
15 * 04-Sep-2004 BJD Added new uart init, and io init
16 * 21-Aug-2004 BJD Added struct s3c2410_board
17 * 06-Aug-2004 BJD Fixed call to time initialisation
18 * 05-Apr-2004 BJD Copied to make mach-vr1000.c
19 * 18-Oct-2004 BJD Updated board struct
20 * 04-Nov-2004 BJD Clock and serial configuration update
22 * 04-Jan-2005 BJD Updated uart init call
23 * 10-Jan-2005 BJD Removed include of s3c2410.h
24 * 14-Jan-2005 BJD Added clock init
25 * 15-Jan-2005 BJD Add serial port device definition
26 * 20-Jan-2005 BJD Use UPF_IOREMAP for ports
27 * 10-Feb-2005 BJD Added power-off capability
28 * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
29 * 14-Mar-2006 BJD void __iomem fixes
30 * 22-Jun-2006 BJD Added DM9000 platform information
33 #include <linux/kernel.h>
34 #include <linux/types.h>
35 #include <linux/interrupt.h>
36 #include <linux/list.h>
37 #include <linux/timer.h>
38 #include <linux/init.h>
39 #include <linux/dm9000.h>
41 #include <linux/serial.h>
42 #include <linux/tty.h>
43 #include <linux/serial_8250.h>
44 #include <linux/serial_reg.h>
46 #include <asm/mach/arch.h>
47 #include <asm/mach/map.h>
48 #include <asm/mach/irq.h>
50 #include <asm/arch/bast-map.h>
51 #include <asm/arch/vr1000-map.h>
52 #include <asm/arch/vr1000-irq.h>
53 #include <asm/arch/vr1000-cpld.h>
55 #include <asm/hardware.h>
58 #include <asm/mach-types.h>
60 #include <asm/arch/regs-serial.h>
61 #include <asm/arch/regs-gpio.h>
66 #include "usb-simtec.h"
68 /* macros for virtual address mods for the io space entries */
69 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
70 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
71 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
72 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
74 /* macros to modify the physical addresses for io space */
76 #define PA_CS2(item) ((item) + S3C2410_CS2)
77 #define PA_CS3(item) ((item) + S3C2410_CS3)
78 #define PA_CS4(item) ((item) + S3C2410_CS4)
79 #define PA_CS5(item) ((item) + S3C2410_CS5)
81 static struct map_desc vr1000_iodesc[] __initdata = {
84 { (u32)S3C24XX_VA_ISA_BYTE, PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
85 { (u32)S3C24XX_VA_ISA_WORD, PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
87 /* we could possibly compress the next set down into a set of smaller tables
88 * pagetables, but that would mean using an L2 section, and it still means
89 * we cannot actually feed the same register to an LDR due to 16K spacing
92 /* bast CPLD control registers, and external interrupt controls */
93 { (u32)VR1000_VA_CTRL1, VR1000_PA_CTRL1, SZ_1M, MT_DEVICE },
94 { (u32)VR1000_VA_CTRL2, VR1000_PA_CTRL2, SZ_1M, MT_DEVICE },
95 { (u32)VR1000_VA_CTRL3, VR1000_PA_CTRL3, SZ_1M, MT_DEVICE },
96 { (u32)VR1000_VA_CTRL4, VR1000_PA_CTRL4, SZ_1M, MT_DEVICE },
98 /* peripheral space... one for each of fast/slow/byte/16bit */
99 /* note, ide is only decoded in word space, even though some registers
103 { VA_C2(VR1000_VA_IDEPRI), PA_CS3(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
104 { VA_C2(VR1000_VA_IDESEC), PA_CS3(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
105 { VA_C2(VR1000_VA_IDEPRIAUX), PA_CS3(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
106 { VA_C2(VR1000_VA_IDESECAUX), PA_CS3(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
109 { VA_C3(VR1000_VA_IDEPRI), PA_CS3(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
110 { VA_C3(VR1000_VA_IDESEC), PA_CS3(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
111 { VA_C3(VR1000_VA_IDEPRIAUX), PA_CS3(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
112 { VA_C3(VR1000_VA_IDESECAUX), PA_CS3(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
115 { VA_C4(VR1000_VA_IDEPRI), PA_CS5(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
116 { VA_C4(VR1000_VA_IDESEC), PA_CS5(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
117 { VA_C4(VR1000_VA_IDEPRIAUX), PA_CS5(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
118 { VA_C4(VR1000_VA_IDESECAUX), PA_CS5(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
121 { VA_C5(VR1000_VA_IDEPRI), PA_CS5(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
122 { VA_C5(VR1000_VA_IDESEC), PA_CS5(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
123 { VA_C5(VR1000_VA_IDEPRIAUX), PA_CS5(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
124 { VA_C5(VR1000_VA_IDESECAUX), PA_CS5(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
127 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
128 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
129 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
131 /* uart clock source(s) */
133 static struct s3c24xx_uart_clksrc vr1000_serial_clocks[] = {
148 static struct s3c2410_uartcfg vr1000_uartcfgs[] = {
155 .clocks = vr1000_serial_clocks,
156 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
164 .clocks = vr1000_serial_clocks,
165 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
167 /* port 2 is not actually used */
174 .clocks = vr1000_serial_clocks,
175 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
180 /* definitions for the vr1000 extra 16550 serial ports */
182 #define VR1000_BAUDBASE (3692307)
184 #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5))
186 static struct plat_serial8250_port serial_platform_data[] = {
188 .mapbase = VR1000_SERIAL_MAPBASE(0),
189 .irq = IRQ_VR1000_SERIAL + 0,
190 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
193 .uartclk = VR1000_BAUDBASE,
196 .mapbase = VR1000_SERIAL_MAPBASE(1),
197 .irq = IRQ_VR1000_SERIAL + 1,
198 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
201 .uartclk = VR1000_BAUDBASE,
204 .mapbase = VR1000_SERIAL_MAPBASE(2),
205 .irq = IRQ_VR1000_SERIAL + 2,
206 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
209 .uartclk = VR1000_BAUDBASE,
212 .mapbase = VR1000_SERIAL_MAPBASE(3),
213 .irq = IRQ_VR1000_SERIAL + 3,
214 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
217 .uartclk = VR1000_BAUDBASE,
222 static struct platform_device serial_device = {
223 .name = "serial8250",
226 .platform_data = serial_platform_data,
232 static struct resource vr1000_nor_resource[] = {
234 .start = S3C2410_CS1 + 0x4000000,
235 .end = S3C2410_CS1 + 0x4000000 + SZ_16M - 1,
236 .flags = IORESOURCE_MEM,
240 static struct platform_device vr1000_nor = {
243 .num_resources = ARRAY_SIZE(vr1000_nor_resource),
244 .resource = vr1000_nor_resource,
247 /* DM9000 ethernet devices */
249 static struct resource vr1000_dm9k0_resource[] = {
251 .start = S3C2410_CS5 + VR1000_PA_DM9000,
252 .end = S3C2410_CS5 + VR1000_PA_DM9000 + 3,
253 .flags = IORESOURCE_MEM
256 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x40,
257 .end = S3C2410_CS5 + VR1000_PA_DM9000 + 0x7f,
258 .flags = IORESOURCE_MEM
261 .start = IRQ_VR1000_DM9000A,
262 .end = IRQ_VR1000_DM9000A,
263 .flags = IORESOURCE_IRQ
268 static struct resource vr1000_dm9k1_resource[] = {
270 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x80,
271 .end = S3C2410_CS5 + VR1000_PA_DM9000 + 0x83,
272 .flags = IORESOURCE_MEM
275 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0,
276 .end = S3C2410_CS5 + VR1000_PA_DM9000 + 0xFF,
277 .flags = IORESOURCE_MEM
280 .start = IRQ_VR1000_DM9000N,
281 .end = IRQ_VR1000_DM9000N,
282 .flags = IORESOURCE_IRQ
286 /* for the moment we limit ourselves to 16bit IO until some
287 * better IO routines can be written and tested
290 struct dm9000_plat_data vr1000_dm9k_platdata = {
291 .flags = DM9000_PLATF_16BITONLY,
294 static struct platform_device vr1000_dm9k0 = {
297 .num_resources = ARRAY_SIZE(vr1000_dm9k0_resource),
298 .resource = vr1000_dm9k0_resource,
300 .platform_data = &vr1000_dm9k_platdata,
304 static struct platform_device vr1000_dm9k1 = {
307 .num_resources = ARRAY_SIZE(vr1000_dm9k1_resource),
308 .resource = vr1000_dm9k1_resource,
310 .platform_data = &vr1000_dm9k_platdata,
314 /* devices for this board */
316 static struct platform_device *vr1000_devices[] __initdata = {
329 static struct clk *vr1000_clocks[] = {
337 static struct s3c24xx_board vr1000_board __initdata = {
338 .devices = vr1000_devices,
339 .devices_count = ARRAY_SIZE(vr1000_devices),
340 .clocks = vr1000_clocks,
341 .clocks_count = ARRAY_SIZE(vr1000_clocks),
344 static void vr1000_power_off(void)
346 s3c2410_gpio_cfgpin(S3C2410_GPB9, S3C2410_GPB9_OUTP);
347 s3c2410_gpio_setpin(S3C2410_GPB9, 1);
350 void __init vr1000_map_io(void)
352 /* initialise clock sources */
354 s3c24xx_dclk0.parent = NULL;
355 s3c24xx_dclk0.rate = 12*1000*1000;
357 s3c24xx_dclk1.parent = NULL;
358 s3c24xx_dclk1.rate = 3692307;
360 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
361 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
363 s3c24xx_uclk.parent = &s3c24xx_clkout1;
365 pm_power_off = vr1000_power_off;
367 s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
368 s3c24xx_init_clocks(0);
369 s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));
370 s3c24xx_set_board(&vr1000_board);
375 MACHINE_START(VR1000, "Thorcom-VR1000")
376 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
377 .phys_ram = S3C2410_SDRAM_PA,
378 .phys_io = S3C2410_PA_UART,
379 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
380 .boot_params = S3C2410_SDRAM_PA + 0x100,
381 .map_io = vr1000_map_io,
382 .init_irq = s3c24xx_init_irq,
383 .timer = &s3c24xx_timer,