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-rw-r--r--arch/arm/mach-sa1100/jornada720.c229
1 files changed, 204 insertions, 25 deletions
diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index 17f5a43acdb7..54ecdaa373d6 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -1,5 +1,15 @@
1/* 1/*
2 * linux/arch/arm/mach-sa1100/jornada720.c 2 * linux/arch/arm/mach-sa1100/jornada720.c
3 *
4 * HP Jornada720 init code
5 *
6 * Copyright (C) 2006 Filip Zyzniewski <filip.zyzniewski@tefnet.pl>
7 * Copyright (C) 2005 Michael Gernoth <michael@gernoth.net>
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 *
3 */ 13 */
4 14
5#include <linux/init.h> 15#include <linux/init.h>
@@ -10,13 +20,13 @@
10#include <linux/ioport.h> 20#include <linux/ioport.h>
11#include <linux/mtd/mtd.h> 21#include <linux/mtd/mtd.h>
12#include <linux/mtd/partitions.h> 22#include <linux/mtd/partitions.h>
23#include <video/s1d13xxxfb.h>
13 24
14#include <asm/hardware.h> 25#include <asm/hardware.h>
15#include <asm/hardware/sa1111.h> 26#include <asm/hardware/sa1111.h>
16#include <asm/irq.h> 27#include <asm/irq.h>
17#include <asm/mach-types.h> 28#include <asm/mach-types.h>
18#include <asm/setup.h> 29#include <asm/setup.h>
19
20#include <asm/mach/arch.h> 30#include <asm/mach/arch.h>
21#include <asm/mach/flash.h> 31#include <asm/mach/flash.h>
22#include <asm/mach/map.h> 32#include <asm/mach/map.h>
@@ -24,13 +34,170 @@
24 34
25#include "generic.h" 35#include "generic.h"
26 36
37/*
38 * HP Documentation referred in this file:
39 * http://www.jlime.com/downloads/development/docs/jornada7xx/jornada720.txt
40 */
41
42/* line 110 of HP's doc */
43#define TUCR_VAL 0x20000400
44
45/* memory space (line 52 of HP's doc) */
46#define SA1111REGSTART 0x40000000
47#define SA1111REGLEN 0x00001fff
48#define EPSONREGSTART 0x48000000
49#define EPSONREGLEN 0x00100000
50#define EPSONFBSTART 0x48200000
51/* 512kB framebuffer */
52#define EPSONFBLEN 512*1024
53
54static struct s1d13xxxfb_regval s1d13xxxfb_initregs[] = {
55 /* line 344 of HP's doc */
56 {0x0001,0x00}, // Miscellaneous Register
57 {0x01FC,0x00}, // Display Mode Register
58 {0x0004,0x00}, // General IO Pins Configuration Register 0
59 {0x0005,0x00}, // General IO Pins Configuration Register 1
60 {0x0008,0x00}, // General IO Pins Control Register 0
61 {0x0009,0x00}, // General IO Pins Control Register 1
62 {0x0010,0x01}, // Memory Clock Configuration Register
63 {0x0014,0x11}, // LCD Pixel Clock Configuration Register
64 {0x0018,0x01}, // CRT/TV Pixel Clock Configuration Register
65 {0x001C,0x01}, // MediaPlug Clock Configuration Register
66 {0x001E,0x01}, // CPU To Memory Wait State Select Register
67 {0x0020,0x00}, // Memory Configuration Register
68 {0x0021,0x45}, // DRAM Refresh Rate Register
69 {0x002A,0x01}, // DRAM Timings Control Register 0
70 {0x002B,0x03}, // DRAM Timings Control Register 1
71 {0x0030,0x1c}, // Panel Type Register
72 {0x0031,0x00}, // MOD Rate Register
73 {0x0032,0x4F}, // LCD Horizontal Display Width Register
74 {0x0034,0x07}, // LCD Horizontal Non-Display Period Register
75 {0x0035,0x01}, // TFT FPLINE Start Position Register
76 {0x0036,0x0B}, // TFT FPLINE Pulse Width Register
77 {0x0038,0xEF}, // LCD Vertical Display Height Register 0
78 {0x0039,0x00}, // LCD Vertical Display Height Register 1
79 {0x003A,0x13}, // LCD Vertical Non-Display Period Register
80 {0x003B,0x0B}, // TFT FPFRAME Start Position Register
81 {0x003C,0x01}, // TFT FPFRAME Pulse Width Register
82 {0x0040,0x05}, // LCD Display Mode Register (2:4bpp,3:8bpp,5:16bpp)
83 {0x0041,0x00}, // LCD Miscellaneous Register
84 {0x0042,0x00}, // LCD Display Start Address Register 0
85 {0x0043,0x00}, // LCD Display Start Address Register 1
86 {0x0044,0x00}, // LCD Display Start Address Register 2
87 {0x0046,0x80}, // LCD Memory Address Offset Register 0
88 {0x0047,0x02}, // LCD Memory Address Offset Register 1
89 {0x0048,0x00}, // LCD Pixel Panning Register
90 {0x004A,0x00}, // LCD Display FIFO High Threshold Control Register
91 {0x004B,0x00}, // LCD Display FIFO Low Threshold Control Register
92 {0x0050,0x4F}, // CRT/TV Horizontal Display Width Register
93 {0x0052,0x13}, // CRT/TV Horizontal Non-Display Period Register
94 {0x0053,0x01}, // CRT/TV HRTC Start Position Register
95 {0x0054,0x0B}, // CRT/TV HRTC Pulse Width Register
96 {0x0056,0xDF}, // CRT/TV Vertical Display Height Register 0
97 {0x0057,0x01}, // CRT/TV Vertical Display Height Register 1
98 {0x0058,0x2B}, // CRT/TV Vertical Non-Display Period Register
99 {0x0059,0x09}, // CRT/TV VRTC Start Position Register
100 {0x005A,0x01}, // CRT/TV VRTC Pulse Width Register
101 {0x005B,0x10}, // TV Output Control Register
102 {0x0060,0x03}, // CRT/TV Display Mode Register (2:4bpp,3:8bpp,5:16bpp)
103 {0x0062,0x00}, // CRT/TV Display Start Address Register 0
104 {0x0063,0x00}, // CRT/TV Display Start Address Register 1
105 {0x0064,0x00}, // CRT/TV Display Start Address Register 2
106 {0x0066,0x40}, // CRT/TV Memory Address Offset Register 0
107 {0x0067,0x01}, // CRT/TV Memory Address Offset Register 1
108 {0x0068,0x00}, // CRT/TV Pixel Panning Register
109 {0x006A,0x00}, // CRT/TV Display FIFO High Threshold Control Register
110 {0x006B,0x00}, // CRT/TV Display FIFO Low Threshold Control Register
111 {0x0070,0x00}, // LCD Ink/Cursor Control Register
112 {0x0071,0x01}, // LCD Ink/Cursor Start Address Register
113 {0x0072,0x00}, // LCD Cursor X Position Register 0
114 {0x0073,0x00}, // LCD Cursor X Position Register 1
115 {0x0074,0x00}, // LCD Cursor Y Position Register 0
116 {0x0075,0x00}, // LCD Cursor Y Position Register 1
117 {0x0076,0x00}, // LCD Ink/Cursor Blue Color 0 Register
118 {0x0077,0x00}, // LCD Ink/Cursor Green Color 0 Register
119 {0x0078,0x00}, // LCD Ink/Cursor Red Color 0 Register
120 {0x007A,0x1F}, // LCD Ink/Cursor Blue Color 1 Register
121 {0x007B,0x3F}, // LCD Ink/Cursor Green Color 1 Register
122 {0x007C,0x1F}, // LCD Ink/Cursor Red Color 1 Register
123 {0x007E,0x00}, // LCD Ink/Cursor FIFO Threshold Register
124 {0x0080,0x00}, // CRT/TV Ink/Cursor Control Register
125 {0x0081,0x01}, // CRT/TV Ink/Cursor Start Address Register
126 {0x0082,0x00}, // CRT/TV Cursor X Position Register 0
127 {0x0083,0x00}, // CRT/TV Cursor X Position Register 1
128 {0x0084,0x00}, // CRT/TV Cursor Y Position Register 0
129 {0x0085,0x00}, // CRT/TV Cursor Y Position Register 1
130 {0x0086,0x00}, // CRT/TV Ink/Cursor Blue Color 0 Register
131 {0x0087,0x00}, // CRT/TV Ink/Cursor Green Color 0 Register
132 {0x0088,0x00}, // CRT/TV Ink/Cursor Red Color 0 Register
133 {0x008A,0x1F}, // CRT/TV Ink/Cursor Blue Color 1 Register
134 {0x008B,0x3F}, // CRT/TV Ink/Cursor Green Color 1 Register
135 {0x008C,0x1F}, // CRT/TV Ink/Cursor Red Color 1 Register
136 {0x008E,0x00}, // CRT/TV Ink/Cursor FIFO Threshold Register
137 {0x0100,0x00}, // BitBlt Control Register 0
138 {0x0101,0x00}, // BitBlt Control Register 1
139 {0x0102,0x00}, // BitBlt ROP Code/Color Expansion Register
140 {0x0103,0x00}, // BitBlt Operation Register
141 {0x0104,0x00}, // BitBlt Source Start Address Register 0
142 {0x0105,0x00}, // BitBlt Source Start Address Register 1
143 {0x0106,0x00}, // BitBlt Source Start Address Register 2
144 {0x0108,0x00}, // BitBlt Destination Start Address Register 0
145 {0x0109,0x00}, // BitBlt Destination Start Address Register 1
146 {0x010A,0x00}, // BitBlt Destination Start Address Register 2
147 {0x010C,0x00}, // BitBlt Memory Address Offset Register 0
148 {0x010D,0x00}, // BitBlt Memory Address Offset Register 1
149 {0x0110,0x00}, // BitBlt Width Register 0
150 {0x0111,0x00}, // BitBlt Width Register 1
151 {0x0112,0x00}, // BitBlt Height Register 0
152 {0x0113,0x00}, // BitBlt Height Register 1
153 {0x0114,0x00}, // BitBlt Background Color Register 0
154 {0x0115,0x00}, // BitBlt Background Color Register 1
155 {0x0118,0x00}, // BitBlt Foreground Color Register 0
156 {0x0119,0x00}, // BitBlt Foreground Color Register 1
157 {0x01E0,0x00}, // Look-Up Table Mode Register
158 {0x01E2,0x00}, // Look-Up Table Address Register
159 /* not sure, wouldn't like to mess with the driver */
160 {0x01E4,0x00}, // Look-Up Table Data Register
161 /* jornada doc says 0x00, but I trust the driver */
162 {0x01F0,0x10}, // Power Save Configuration Register
163 {0x01F1,0x00}, // Power Save Status Register
164 {0x01F4,0x00}, // CPU-to-Memory Access Watchdog Timer Register
165 {0x01FC,0x01}, // Display Mode Register(0x01:LCD, 0x02:CRT, 0x03:LCD&CRT)
166};
167
168static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
169 .initregs = s1d13xxxfb_initregs,
170 .initregssize = ARRAY_SIZE(s1d13xxxfb_initregs),
171 .platform_init_video = NULL
172};
27 173
28#define JORTUCR_VAL 0x20000400 174static struct resource s1d13xxxfb_resources[] = {
175 [0] = {
176 .start = EPSONFBSTART,
177 .end = EPSONFBSTART + EPSONFBLEN,
178 .flags = IORESOURCE_MEM,
179 },
180 [1] = {
181 .start = EPSONREGSTART,
182 .end = EPSONREGSTART + EPSONREGLEN,
183 .flags = IORESOURCE_MEM,
184 }
185};
186
187static struct platform_device s1d13xxxfb_device = {
188 .name = S1D_DEVICENAME,
189 .id = 0,
190 .dev = {
191 .platform_data = &s1d13xxxfb_data,
192 },
193 .num_resources = ARRAY_SIZE(s1d13xxxfb_resources),
194 .resource = s1d13xxxfb_resources,
195};
29 196
30static struct resource sa1111_resources[] = { 197static struct resource sa1111_resources[] = {
31 [0] = { 198 [0] = {
32 .start = 0x40000000, 199 .start = SA1111REGSTART,
33 .end = 0x40001fff, 200 .end = SA1111REGSTART + SA1111REGLEN,
34 .flags = IORESOURCE_MEM, 201 .flags = IORESOURCE_MEM,
35 }, 202 },
36 [1] = { 203 [1] = {
@@ -53,18 +220,32 @@ static struct platform_device sa1111_device = {
53 .resource = sa1111_resources, 220 .resource = sa1111_resources,
54}; 221};
55 222
223static struct platform_device jornada720_mcu_device = {
224 .name = "jornada720_mcu",
225 .id = -1,
226};
227
56static struct platform_device *devices[] __initdata = { 228static struct platform_device *devices[] __initdata = {
57 &sa1111_device, 229 &sa1111_device,
230 &jornada720_mcu_device,
231 &s1d13xxxfb_device,
58}; 232};
59 233
234/* a stub for now, we theoretically cannot suspend without a flashboard */
235int pm_suspend(suspend_state_t state)
236{
237 return -1;
238}
239
60static int __init jornada720_init(void) 240static int __init jornada720_init(void)
61{ 241{
62 int ret = -ENODEV; 242 int ret = -ENODEV;
63 243
64 if (machine_is_jornada720()) { 244 if (machine_is_jornada720()) {
65 GPDR |= GPIO_GPIO20; 245 GPDR |= GPIO_GPIO20;
66 TUCR = JORTUCR_VAL; /* set the oscillator out to the SA-1101 */ 246 /* oscillator setup (line 116 of HP's doc) */
67 247 TUCR = TUCR_VAL;
248 /* resetting SA1111 (line 118 of HP's doc) */
68 GPSR = GPIO_GPIO20; 249 GPSR = GPIO_GPIO20;
69 udelay(1); 250 udelay(1);
70 GPCR = GPIO_GPIO20; 251 GPCR = GPIO_GPIO20;
@@ -72,10 +253,6 @@ static int __init jornada720_init(void)
72 GPSR = GPIO_GPIO20; 253 GPSR = GPIO_GPIO20;
73 udelay(20); 254 udelay(20);
74 255
75 /* LDD4 is speaker, LDD3 is microphone */
76 PPSR &= ~(PPC_LDD3 | PPC_LDD4);
77 PPDR |= PPC_LDD3 | PPC_LDD4;
78
79 ret = platform_add_devices(devices, ARRAY_SIZE(devices)); 256 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
80 } 257 }
81 return ret; 258 return ret;
@@ -85,19 +262,19 @@ arch_initcall(jornada720_init);
85 262
86static struct map_desc jornada720_io_desc[] __initdata = { 263static struct map_desc jornada720_io_desc[] __initdata = {
87 { /* Epson registers */ 264 { /* Epson registers */
88 .virtual = 0xf0000000, 265 .virtual = 0xf0000000,
89 .pfn = __phys_to_pfn(0x48000000), 266 .pfn = __phys_to_pfn(EPSONREGSTART),
90 .length = 0x00100000, 267 .length = EPSONREGLEN,
91 .type = MT_DEVICE 268 .type = MT_DEVICE
92 }, { /* Epson frame buffer */ 269 }, { /* Epson frame buffer */
93 .virtual = 0xf1000000, 270 .virtual = 0xf1000000,
94 .pfn = __phys_to_pfn(0x48200000), 271 .pfn = __phys_to_pfn(EPSONFBSTART),
95 .length = 0x00100000, 272 .length = EPSONFBLEN,
96 .type = MT_DEVICE 273 .type = MT_DEVICE
97 }, { /* SA-1111 */ 274 }, { /* SA-1111 */
98 .virtual = 0xf4000000, 275 .virtual = 0xf4000000,
99 .pfn = __phys_to_pfn(0x40000000), 276 .pfn = __phys_to_pfn(SA1111REGSTART),
100 .length = 0x00100000, 277 .length = SA1111REGLEN,
101 .type = MT_DEVICE 278 .type = MT_DEVICE
102 } 279 }
103}; 280};
@@ -106,7 +283,7 @@ static void __init jornada720_map_io(void)
106{ 283{
107 sa1100_map_io(); 284 sa1100_map_io();
108 iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc)); 285 iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc));
109 286
110 sa1100_register_uart(0, 3); 287 sa1100_register_uart(0, 3);
111 sa1100_register_uart(1, 1); 288 sa1100_register_uart(1, 1);
112} 289}
@@ -116,7 +293,7 @@ static struct mtd_partition jornada720_partitions[] = {
116 .name = "JORNADA720 boot firmware", 293 .name = "JORNADA720 boot firmware",
117 .size = 0x00040000, 294 .size = 0x00040000,
118 .offset = 0, 295 .offset = 0,
119 .mask_flags = MTD_WRITEABLE, /* force read-only */ 296 .mask_flags = MTD_WRITEABLE, /* force read-only */
120 }, { 297 }, {
121 .name = "JORNADA720 kernel", 298 .name = "JORNADA720 kernel",
122 .size = 0x000c0000, 299 .size = 0x000c0000,
@@ -139,7 +316,7 @@ static struct mtd_partition jornada720_partitions[] = {
139 .offset = 0x00540000, 316 .offset = 0x00540000,
140 }, { 317 }, {
141 .name = "JORNADA720 usr local", 318 .name = "JORNADA720 usr local",
142 .size = 0, /* will expand to the end of the flash */ 319 .size = 0, /* will expand to the end of the flash */
143 .offset = 0x00d00000, 320 .offset = 0x00d00000,
144 } 321 }
145}; 322};
@@ -147,10 +324,12 @@ static struct mtd_partition jornada720_partitions[] = {
147static void jornada720_set_vpp(int vpp) 324static void jornada720_set_vpp(int vpp)
148{ 325{
149 if (vpp) 326 if (vpp)
150 PPSR |= 0x80; 327 /* enabling flash write (line 470 of HP's doc) */
328 PPSR |= PPC_LDD7;
151 else 329 else
152 PPSR &= ~0x80; 330 /* disabling flash write (line 470 of HP's doc) */
153 PPDR |= 0x80; 331 PPSR &= ~PPC_LDD7;
332 PPDR |= PPC_LDD7;
154} 333}
155 334
156static struct flash_platform_data jornada720_flash_data = { 335static struct flash_platform_data jornada720_flash_data = {
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-07 23:13:44 -0500