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-rw-r--r--arch/arm/mach-sa1100/assabet.c194
1 files changed, 140 insertions, 54 deletions
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index 0c4b76ab4d8..375d3f779a8 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -15,14 +15,16 @@
15#include <linux/errno.h> 15#include <linux/errno.h>
16#include <linux/ioport.h> 16#include <linux/ioport.h>
17#include <linux/serial_core.h> 17#include <linux/serial_core.h>
18#include <linux/mfd/ucb1x00.h>
18#include <linux/mtd/mtd.h> 19#include <linux/mtd/mtd.h>
19#include <linux/mtd/partitions.h> 20#include <linux/mtd/partitions.h>
20#include <linux/delay.h> 21#include <linux/delay.h>
21#include <linux/mm.h> 22#include <linux/mm.h>
22 23
24#include <video/sa1100fb.h>
25
23#include <mach/hardware.h> 26#include <mach/hardware.h>
24#include <asm/mach-types.h> 27#include <asm/mach-types.h>
25#include <asm/irq.h>
26#include <asm/setup.h> 28#include <asm/setup.h>
27#include <asm/page.h> 29#include <asm/page.h>
28#include <asm/pgtable-hwdef.h> 30#include <asm/pgtable-hwdef.h>
@@ -36,17 +38,18 @@
36#include <asm/mach/serial_sa1100.h> 38#include <asm/mach/serial_sa1100.h>
37#include <mach/assabet.h> 39#include <mach/assabet.h>
38#include <mach/mcp.h> 40#include <mach/mcp.h>
41#include <mach/irqs.h>
39 42
40#include "generic.h" 43#include "generic.h"
41 44
42#define ASSABET_BCR_DB1110 \ 45#define ASSABET_BCR_DB1110 \
43 (ASSABET_BCR_SPK_OFF | ASSABET_BCR_QMUTE | \ 46 (ASSABET_BCR_SPK_OFF | \
44 ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED | \ 47 ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED | \
45 ASSABET_BCR_RS232EN | ASSABET_BCR_LCD_12RGB | \ 48 ASSABET_BCR_RS232EN | ASSABET_BCR_LCD_12RGB | \
46 ASSABET_BCR_IRDA_MD0) 49 ASSABET_BCR_IRDA_MD0)
47 50
48#define ASSABET_BCR_DB1111 \ 51#define ASSABET_BCR_DB1111 \
49 (ASSABET_BCR_SPK_OFF | ASSABET_BCR_QMUTE | \ 52 (ASSABET_BCR_SPK_OFF | \
50 ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED | \ 53 ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED | \
51 ASSABET_BCR_RS232EN | ASSABET_BCR_LCD_12RGB | \ 54 ASSABET_BCR_RS232EN | ASSABET_BCR_LCD_12RGB | \
52 ASSABET_BCR_CF_BUS_OFF | ASSABET_BCR_STEREO_LB | \ 55 ASSABET_BCR_CF_BUS_OFF | ASSABET_BCR_STEREO_LB | \
@@ -69,31 +72,10 @@ void ASSABET_BCR_frob(unsigned int mask, unsigned int val)
69 72
70EXPORT_SYMBOL(ASSABET_BCR_frob); 73EXPORT_SYMBOL(ASSABET_BCR_frob);
71 74
72static void assabet_backlight_power(int on) 75static void assabet_ucb1x00_reset(enum ucb1x00_reset state)
73{
74#ifndef ASSABET_PAL_VIDEO
75 if (on)
76 ASSABET_BCR_set(ASSABET_BCR_LIGHT_ON);
77 else
78#endif
79 ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON);
80}
81
82/*
83 * Turn on/off the backlight. When turning the backlight on,
84 * we wait 500us after turning it on so we don't cause the
85 * supplies to droop when we enable the LCD controller (and
86 * cause a hard reset.)
87 */
88static void assabet_lcd_power(int on)
89{ 76{
90#ifndef ASSABET_PAL_VIDEO 77 if (state == UCB_RST_PROBE)
91 if (on) { 78 ASSABET_BCR_set(ASSABET_BCR_CODEC_RST);
92 ASSABET_BCR_set(ASSABET_BCR_LCD_ON);
93 udelay(500);
94 } else
95#endif
96 ASSABET_BCR_clear(ASSABET_BCR_LCD_ON);
97} 79}
98 80
99 81
@@ -152,15 +134,8 @@ static struct flash_platform_data assabet_flash_data = {
152}; 134};
153 135
154static struct resource assabet_flash_resources[] = { 136static struct resource assabet_flash_resources[] = {
155 { 137 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
156 .start = SA1100_CS0_PHYS, 138 DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_32M),
157 .end = SA1100_CS0_PHYS + SZ_32M - 1,
158 .flags = IORESOURCE_MEM,
159 }, {
160 .start = SA1100_CS1_PHYS,
161 .end = SA1100_CS1_PHYS + SZ_32M - 1,
162 .flags = IORESOURCE_MEM,
163 }
164}; 139};
165 140
166 141
@@ -199,18 +174,126 @@ static struct irda_platform_data assabet_irda_data = {
199 .set_speed = assabet_irda_set_speed, 174 .set_speed = assabet_irda_set_speed,
200}; 175};
201 176
177static struct ucb1x00_plat_data assabet_ucb1x00_data = {
178 .reset = assabet_ucb1x00_reset,
179 .gpio_base = -1,
180};
181
202static struct mcp_plat_data assabet_mcp_data = { 182static struct mcp_plat_data assabet_mcp_data = {
203 .mccr0 = MCCR0_ADM, 183 .mccr0 = MCCR0_ADM,
204 .sclk_rate = 11981000, 184 .sclk_rate = 11981000,
185 .codec_pdata = &assabet_ucb1x00_data,
186};
187
188static void assabet_lcd_set_visual(u32 visual)
189{
190 u_int is_true_color = visual == FB_VISUAL_TRUECOLOR;
191
192 if (machine_is_assabet()) {
193#if 1 // phase 4 or newer Assabet's
194 if (is_true_color)
195 ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB);
196 else
197 ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB);
198#else
199 // older Assabet's
200 if (is_true_color)
201 ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB);
202 else
203 ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB);
204#endif
205 }
206}
207
208#ifndef ASSABET_PAL_VIDEO
209static void assabet_lcd_backlight_power(int on)
210{
211 if (on)
212 ASSABET_BCR_set(ASSABET_BCR_LIGHT_ON);
213 else
214 ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON);
215}
216
217/*
218 * Turn on/off the backlight. When turning the backlight on, we wait
219 * 500us after turning it on so we don't cause the supplies to droop
220 * when we enable the LCD controller (and cause a hard reset.)
221 */
222static void assabet_lcd_power(int on)
223{
224 if (on) {
225 ASSABET_BCR_set(ASSABET_BCR_LCD_ON);
226 udelay(500);
227 } else
228 ASSABET_BCR_clear(ASSABET_BCR_LCD_ON);
229}
230
231/*
232 * The assabet uses a sharp LQ039Q2DS54 LCD module. It is actually
233 * takes an RGB666 signal, but we provide it with an RGB565 signal
234 * instead (def_rgb_16).
235 */
236static struct sa1100fb_mach_info lq039q2ds54_info = {
237 .pixclock = 171521, .bpp = 16,
238 .xres = 320, .yres = 240,
239
240 .hsync_len = 5, .vsync_len = 1,
241 .left_margin = 61, .upper_margin = 3,
242 .right_margin = 9, .lower_margin = 0,
243
244 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
245
246 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
247 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
248
249 .backlight_power = assabet_lcd_backlight_power,
250 .lcd_power = assabet_lcd_power,
251 .set_visual = assabet_lcd_set_visual,
252};
253#else
254static void assabet_pal_backlight_power(int on)
255{
256 ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON);
257}
258
259static void assabet_pal_power(int on)
260{
261 ASSABET_BCR_clear(ASSABET_BCR_LCD_ON);
262}
263
264static struct sa1100fb_mach_info pal_info = {
265 .pixclock = 67797, .bpp = 16,
266 .xres = 640, .yres = 512,
267
268 .hsync_len = 64, .vsync_len = 6,
269 .left_margin = 125, .upper_margin = 70,
270 .right_margin = 115, .lower_margin = 36,
271
272 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
273 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512),
274
275 .backlight_power = assabet_pal_backlight_power,
276 .lcd_power = assabet_pal_power,
277 .set_visual = assabet_lcd_set_visual,
205}; 278};
279#endif
280
281#ifdef CONFIG_ASSABET_NEPONSET
282static struct resource neponset_resources[] = {
283 DEFINE_RES_MEM(0x10000000, 0x08000000),
284 DEFINE_RES_MEM(0x18000000, 0x04000000),
285 DEFINE_RES_MEM(0x40000000, SZ_8K),
286 DEFINE_RES_IRQ(IRQ_GPIO25),
287};
288#endif
206 289
207static void __init assabet_init(void) 290static void __init assabet_init(void)
208{ 291{
209 /* 292 /*
210 * Ensure that the power supply is in "high power" mode. 293 * Ensure that the power supply is in "high power" mode.
211 */ 294 */
212 GPDR |= GPIO_GPIO16;
213 GPSR = GPIO_GPIO16; 295 GPSR = GPIO_GPIO16;
296 GPDR |= GPIO_GPIO16;
214 297
215 /* 298 /*
216 * Ensure that these pins are set as outputs and are driving 299 * Ensure that these pins are set as outputs and are driving
@@ -218,8 +301,16 @@ static void __init assabet_init(void)
218 * the WS latch in the CPLD, and we don't float causing 301 * the WS latch in the CPLD, and we don't float causing
219 * excessive power drain. --rmk 302 * excessive power drain. --rmk
220 */ 303 */
221 GPDR |= GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM;
222 GPCR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM; 304 GPCR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM;
305 GPDR |= GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM;
306
307 /*
308 * Also set GPIO27 as an output; this is used to clock UART3
309 * via the FPGA and as otherwise has no pullups or pulldowns,
310 * so stop it floating.
311 */
312 GPCR = GPIO_GPIO27;
313 GPDR |= GPIO_GPIO27;
223 314
224 /* 315 /*
225 * Set up registers for sleep mode. 316 * Set up registers for sleep mode.
@@ -231,8 +322,7 @@ static void __init assabet_init(void)
231 PPDR |= PPC_TXD3 | PPC_TXD1; 322 PPDR |= PPC_TXD3 | PPC_TXD1;
232 PPSR |= PPC_TXD3 | PPC_TXD1; 323 PPSR |= PPC_TXD3 | PPC_TXD1;
233 324
234 sa1100fb_lcd_power = assabet_lcd_power; 325 sa11x0_ppc_configure_mcp();
235 sa1100fb_backlight_power = assabet_backlight_power;
236 326
237 if (machine_has_neponset()) { 327 if (machine_has_neponset()) {
238 /* 328 /*
@@ -246,9 +336,17 @@ static void __init assabet_init(void)
246#ifndef CONFIG_ASSABET_NEPONSET 336#ifndef CONFIG_ASSABET_NEPONSET
247 printk( "Warning: Neponset detected but full support " 337 printk( "Warning: Neponset detected but full support "
248 "hasn't been configured in the kernel\n" ); 338 "hasn't been configured in the kernel\n" );
339#else
340 platform_device_register_simple("neponset", 0,
341 neponset_resources, ARRAY_SIZE(neponset_resources));
249#endif 342#endif
250 } 343 }
251 344
345#ifndef ASSABET_PAL_VIDEO
346 sa11x0_register_lcd(&lq039q2ds54_info);
347#else
348 sa11x0_register_lcd(&pal_video);
349#endif
252 sa11x0_register_mtd(&assabet_flash_data, assabet_flash_resources, 350 sa11x0_register_mtd(&assabet_flash_data, assabet_flash_resources,
253 ARRAY_SIZE(assabet_flash_resources)); 351 ARRAY_SIZE(assabet_flash_resources));
254 sa11x0_register_irda(&assabet_irda_data); 352 sa11x0_register_irda(&assabet_irda_data);
@@ -412,21 +510,8 @@ static void __init assabet_map_io(void)
412 */ 510 */
413 Ser1SDCR0 |= SDCR0_SUS; 511 Ser1SDCR0 |= SDCR0_SUS;
414 512
415 if (machine_has_neponset()) { 513 if (!machine_has_neponset())
416#ifdef CONFIG_ASSABET_NEPONSET
417 extern void neponset_map_io(void);
418
419 /*
420 * We map Neponset registers even if it isn't present since
421 * many drivers will try to probe their stuff (and fail).
422 * This is still more friendly than a kernel paging request
423 * crash.
424 */
425 neponset_map_io();
426#endif
427 } else {
428 sa1100_register_uart_fns(&assabet_port_fns); 514 sa1100_register_uart_fns(&assabet_port_fns);
429 }
430 515
431 /* 516 /*
432 * When Neponset is attached, the first UART should be 517 * When Neponset is attached, the first UART should be
@@ -449,6 +534,7 @@ MACHINE_START(ASSABET, "Intel-Assabet")
449 .atag_offset = 0x100, 534 .atag_offset = 0x100,
450 .fixup = fixup_assabet, 535 .fixup = fixup_assabet,
451 .map_io = assabet_map_io, 536 .map_io = assabet_map_io,
537 .nr_irqs = SA1100_NR_IRQS,
452 .init_irq = sa1100_init_irq, 538 .init_irq = sa1100_init_irq,
453 .timer = &sa1100_timer, 539 .timer = &sa1100_timer,
454 .init_machine = assabet_init, 540 .init_machine = assabet_init,