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authorDarius Augulis <augulis.darius@gmail.com>2010-10-20 18:42:29 -0400
committerKukjin Kim <kgene.kim@samsung.com>2010-10-20 18:42:29 -0400
commite9debd989b33a3bbdde39e2a21ee92e11a8a360a (patch)
treee7f22ec6ddf9ef019a758046f9e44cdb3160b954 /arch/arm/mach-s3c64xx/mach-mini6410.c
parent10dcc7a2bde3e0acafad5492faab430c5b6d8fab (diff)
ARM: S3C64XX: add support for mach-mini6410
Add support for mini6410 board from FriendlyARM Signed-off-by: Darius Augulis <augulis.darius@gmail.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s3c64xx/mach-mini6410.c')
-rw-r--r--arch/arm/mach-s3c64xx/mach-mini6410.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
new file mode 100644
index 000000000000..397012564528
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -0,0 +1,154 @@
1/* linux/arch/arm/mach-s3c64xx/mach-mini6410.c
2 *
3 * Copyright 2010 Darius Augulis <augulis.darius@gmail.com>
4 * Copyright 2008 Openmoko, Inc.
5 * Copyright 2008 Simtec Electronics
6 * Ben Dooks <ben@simtec.co.uk>
7 * http://armlinux.simtec.co.uk/
8 *
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.
12 *
13*/
14
15#include <linux/init.h>
16#include <linux/interrupt.h>
17#include <linux/gpio.h>
18#include <linux/kernel.h>
19#include <linux/list.h>
20#include <linux/dm9000.h>
21#include <linux/serial_core.h>
22#include <linux/types.h>
23
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
28#include <mach/map.h>
29#include <mach/regs-gpio.h>
30#include <mach/regs-srom.h>
31#include <mach/s3c6410.h>
32
33#include <plat/cpu.h>
34#include <plat/devs.h>
35#include <plat/regs-serial.h>
36
37#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
38#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
39#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
40
41static struct s3c2410_uartcfg mini6410_uartcfgs[] __initdata = {
42 [0] = {
43 .hwport = 0,
44 .flags = 0,
45 .ucon = UCON,
46 .ulcon = ULCON,
47 .ufcon = UFCON,
48 },
49 [1] = {
50 .hwport = 1,
51 .flags = 0,
52 .ucon = UCON,
53 .ulcon = ULCON,
54 .ufcon = UFCON,
55 },
56 [2] = {
57 .hwport = 2,
58 .flags = 0,
59 .ucon = UCON,
60 .ulcon = ULCON,
61 .ufcon = UFCON,
62 },
63 [3] = {
64 .hwport = 3,
65 .flags = 0,
66 .ucon = UCON,
67 .ulcon = ULCON,
68 .ufcon = UFCON,
69 },
70};
71
72/* DM9000AEP 10/100 ethernet controller */
73
74static struct resource mini6410_dm9k_resource[] = {
75 [0] = {
76 .start = S3C64XX_PA_XM0CSN1,
77 .end = S3C64XX_PA_XM0CSN1 + 1,
78 .flags = IORESOURCE_MEM
79 },
80 [1] = {
81 .start = S3C64XX_PA_XM0CSN1 + 4,
82 .end = S3C64XX_PA_XM0CSN1 + 5,
83 .flags = IORESOURCE_MEM
84 },
85 [2] = {
86 .start = S3C_EINT(7),
87 .end = S3C_EINT(7),
88 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL
89 }
90};
91
92static struct dm9000_plat_data mini6410_dm9k_pdata = {
93 .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
94};
95
96static struct platform_device mini6410_device_eth = {
97 .name = "dm9000",
98 .id = -1,
99 .num_resources = ARRAY_SIZE(mini6410_dm9k_resource),
100 .resource = mini6410_dm9k_resource,
101 .dev = {
102 .platform_data = &mini6410_dm9k_pdata,
103 },
104};
105
106static struct platform_device *mini6410_devices[] __initdata = {
107 &mini6410_device_eth,
108 &s3c_device_hsmmc0,
109 &s3c_device_hsmmc1,
110 &s3c_device_ohci,
111};
112
113static void __init mini6410_map_io(void)
114{
115 s3c64xx_init_io(NULL, 0);
116 s3c24xx_init_clocks(12000000);
117 s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs));
118}
119
120static void __init mini6410_machine_init(void)
121{
122 u32 cs1;
123
124 /* configure nCS1 width to 16 bits */
125
126 cs1 = __raw_readl(S3C64XX_SROM_BW) &
127 ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
128 cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
129 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
130 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
131 S3C64XX_SROM_BW__NCS1__SHIFT;
132 __raw_writel(cs1, S3C64XX_SROM_BW);
133
134 /* set timing for nCS1 suitable for ethernet chip */
135
136 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
137 (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
138 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
139 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
140 (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
141 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
142 (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
143
144 platform_add_devices(mini6410_devices, ARRAY_SIZE(mini6410_devices));
145}
146
147MACHINE_START(MINI6410, "MINI6410")
148 /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
149 .boot_params = S3C64XX_PA_SDRAM + 0x100,
150 .init_irq = s3c6410_init_irq,
151 .map_io = mini6410_map_io,
152 .init_machine = mini6410_machine_init,
153 .timer = &s3c24xx_timer,
154MACHINE_END