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
31 * 20-Sep-2005 BJD Added static to non-exported items
34 #include <linux/kernel.h>
35 #include <linux/types.h>
36 #include <linux/interrupt.h>
37 #include <linux/list.h>
38 #include <linux/timer.h>
39 #include <linux/init.h>
40 #include <linux/dm9000.h>
42 #include <linux/serial.h>
43 #include <linux/tty.h>
44 #include <linux/serial_8250.h>
45 #include <linux/serial_reg.h>
47 #include <asm/mach/arch.h>
48 #include <asm/mach/map.h>
49 #include <asm/mach/irq.h>
51 #include <asm/arch/bast-map.h>
52 #include <asm/arch/vr1000-map.h>
53 #include <asm/arch/vr1000-irq.h>
54 #include <asm/arch/vr1000-cpld.h>
56 #include <asm/hardware.h>
59 #include <asm/mach-types.h>
61 #include <asm/arch/regs-serial.h>
62 #include <asm/arch/regs-gpio.h>
67 #include "usb-simtec.h"
69 /* macros for virtual address mods for the io space entries */
70 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
71 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
72 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
73 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
75 /* macros to modify the physical addresses for io space */
77 #define PA_CS2(item) ((item) + S3C2410_CS2)
78 #define PA_CS3(item) ((item) + S3C2410_CS3)
79 #define PA_CS4(item) ((item) + S3C2410_CS4)
80 #define PA_CS5(item) ((item) + S3C2410_CS5)
82 static struct map_desc vr1000_iodesc[] __initdata = {
85 { (u32)S3C24XX_VA_ISA_BYTE, PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
86 { (u32)S3C24XX_VA_ISA_WORD, PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
88 /* we could possibly compress the next set down into a set of smaller tables
89 * pagetables, but that would mean using an L2 section, and it still means
90 * we cannot actually feed the same register to an LDR due to 16K spacing
93 /* bast CPLD control registers, and external interrupt controls */
94 { (u32)VR1000_VA_CTRL1, VR1000_PA_CTRL1, SZ_1M, MT_DEVICE },
95 { (u32)VR1000_VA_CTRL2, VR1000_PA_CTRL2, SZ_1M, MT_DEVICE },
96 { (u32)VR1000_VA_CTRL3, VR1000_PA_CTRL3, SZ_1M, MT_DEVICE },
97 { (u32)VR1000_VA_CTRL4, VR1000_PA_CTRL4, SZ_1M, MT_DEVICE },
99 /* peripheral space... one for each of fast/slow/byte/16bit */
100 /* note, ide is only decoded in word space, even though some registers
104 { VA_C2(VR1000_VA_IDEPRI), PA_CS3(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
105 { VA_C2(VR1000_VA_IDESEC), PA_CS3(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
106 { VA_C2(VR1000_VA_IDEPRIAUX), PA_CS3(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
107 { VA_C2(VR1000_VA_IDESECAUX), PA_CS3(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
110 { VA_C3(VR1000_VA_IDEPRI), PA_CS3(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
111 { VA_C3(VR1000_VA_IDESEC), PA_CS3(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
112 { VA_C3(VR1000_VA_IDEPRIAUX), PA_CS3(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
113 { VA_C3(VR1000_VA_IDESECAUX), PA_CS3(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
116 { VA_C4(VR1000_VA_IDEPRI), PA_CS5(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
117 { VA_C4(VR1000_VA_IDESEC), PA_CS5(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
118 { VA_C4(VR1000_VA_IDEPRIAUX), PA_CS5(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
119 { VA_C4(VR1000_VA_IDESECAUX), PA_CS5(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
122 { VA_C5(VR1000_VA_IDEPRI), PA_CS5(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
123 { VA_C5(VR1000_VA_IDESEC), PA_CS5(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
124 { VA_C5(VR1000_VA_IDEPRIAUX), PA_CS5(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
125 { VA_C5(VR1000_VA_IDESECAUX), PA_CS5(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
128 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
129 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
130 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
132 /* uart clock source(s) */
134 static struct s3c24xx_uart_clksrc vr1000_serial_clocks[] = {
149 static struct s3c2410_uartcfg vr1000_uartcfgs[] = {
156 .clocks = vr1000_serial_clocks,
157 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
165 .clocks = vr1000_serial_clocks,
166 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
168 /* port 2 is not actually used */
175 .clocks = vr1000_serial_clocks,
176 .clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
181 /* definitions for the vr1000 extra 16550 serial ports */
183 #define VR1000_BAUDBASE (3692307)
185 #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5))
187 static struct plat_serial8250_port serial_platform_data[] = {
189 .mapbase = VR1000_SERIAL_MAPBASE(0),
190 .irq = IRQ_VR1000_SERIAL + 0,
191 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
194 .uartclk = VR1000_BAUDBASE,
197 .mapbase = VR1000_SERIAL_MAPBASE(1),
198 .irq = IRQ_VR1000_SERIAL + 1,
199 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
202 .uartclk = VR1000_BAUDBASE,
205 .mapbase = VR1000_SERIAL_MAPBASE(2),
206 .irq = IRQ_VR1000_SERIAL + 2,
207 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
210 .uartclk = VR1000_BAUDBASE,
213 .mapbase = VR1000_SERIAL_MAPBASE(3),
214 .irq = IRQ_VR1000_SERIAL + 3,
215 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
218 .uartclk = VR1000_BAUDBASE,
223 static struct platform_device serial_device = {
224 .name = "serial8250",
225 .id = PLAT8250_DEV_PLATFORM,
227 .platform_data = serial_platform_data,
233 static struct resource vr1000_nor_resource[] = {
235 .start = S3C2410_CS1 + 0x4000000,
236 .end = S3C2410_CS1 + 0x4000000 + SZ_16M - 1,
237 .flags = IORESOURCE_MEM,
241 static struct platform_device vr1000_nor = {
244 .num_resources = ARRAY_SIZE(vr1000_nor_resource),
245 .resource = vr1000_nor_resource,
248 /* DM9000 ethernet devices */
250 static struct resource vr1000_dm9k0_resource[] = {
252 .start = S3C2410_CS5 + VR1000_PA_DM9000,
253 .end = S3C2410_CS5 + VR1000_PA_DM9000 + 3,
254 .flags = IORESOURCE_MEM
257 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x40,
258 .end = S3C2410_CS5 + VR1000_PA_DM9000 + 0x7f,
259 .flags = IORESOURCE_MEM
262 .start = IRQ_VR1000_DM9000A,
263 .end = IRQ_VR1000_DM9000A,
264 .flags = IORESOURCE_IRQ
269 static struct resource vr1000_dm9k1_resource[] = {
271 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x80,
272 .end = S3C2410_CS5 + VR1000_PA_DM9000 + 0x83,
273 .flags = IORESOURCE_MEM
276 .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0,
277 .end = S3C2410_CS5 + VR1000_PA_DM9000 + 0xFF,
278 .flags = IORESOURCE_MEM
281 .start = IRQ_VR1000_DM9000N,
282 .end = IRQ_VR1000_DM9000N,
283 .flags = IORESOURCE_IRQ
287 /* for the moment we limit ourselves to 16bit IO until some
288 * better IO routines can be written and tested
291 struct dm9000_plat_data vr1000_dm9k_platdata = {
292 .flags = DM9000_PLATF_16BITONLY,
295 static struct platform_device vr1000_dm9k0 = {
298 .num_resources = ARRAY_SIZE(vr1000_dm9k0_resource),
299 .resource = vr1000_dm9k0_resource,
301 .platform_data = &vr1000_dm9k_platdata,
305 static struct platform_device vr1000_dm9k1 = {
308 .num_resources = ARRAY_SIZE(vr1000_dm9k1_resource),
309 .resource = vr1000_dm9k1_resource,
311 .platform_data = &vr1000_dm9k_platdata,
315 /* devices for this board */
317 static struct platform_device *vr1000_devices[] __initdata = {
330 static struct clk *vr1000_clocks[] = {
338 static struct s3c24xx_board vr1000_board __initdata = {
339 .devices = vr1000_devices,
340 .devices_count = ARRAY_SIZE(vr1000_devices),
341 .clocks = vr1000_clocks,
342 .clocks_count = ARRAY_SIZE(vr1000_clocks),
345 static void vr1000_power_off(void)
347 s3c2410_gpio_cfgpin(S3C2410_GPB9, S3C2410_GPB9_OUTP);
348 s3c2410_gpio_setpin(S3C2410_GPB9, 1);
351 static void __init vr1000_map_io(void)
353 /* initialise clock sources */
355 s3c24xx_dclk0.parent = NULL;
356 s3c24xx_dclk0.rate = 12*1000*1000;
358 s3c24xx_dclk1.parent = NULL;
359 s3c24xx_dclk1.rate = 3692307;
361 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
362 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
364 s3c24xx_uclk.parent = &s3c24xx_clkout1;
366 pm_power_off = vr1000_power_off;
368 s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
369 s3c24xx_init_clocks(0);
370 s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));
371 s3c24xx_set_board(&vr1000_board);
376 MACHINE_START(VR1000, "Thorcom-VR1000")
377 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
378 .phys_ram = S3C2410_SDRAM_PA,
379 .phys_io = S3C2410_PA_UART,
380 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
381 .boot_params = S3C2410_SDRAM_PA + 0x100,
382 .map_io = vr1000_map_io,
383 .init_irq = s3c24xx_init_irq,
384 .timer = &s3c24xx_timer,