1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-pxa/colibri-pxa270.c
5 * Support for Toradex PXA270 based Colibri module
6 * Daniel Mack <daniel@caiaq.de>
7 * Marek Vasut <marek.vasut@gmail.com>
10 #include <linux/init.h>
11 #include <linux/interrupt.h>
12 #include <linux/moduleparam.h>
13 #include <linux/kernel.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/platform_device.h>
18 #include <linux/regulator/machine.h>
19 #include <linux/ucb1400.h>
21 #include <asm/mach/arch.h>
22 #include <asm/mach/flash.h>
23 #include <asm/mach-types.h>
24 #include <linux/sizes.h>
26 #include <mach/audio.h>
33 /******************************************************************************
34 * Evaluation board MFP
35 ******************************************************************************/
36 #ifdef CONFIG_MACH_COLIBRI_EVALBOARD
37 static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
45 GPIO0_GPIO, /* SD detect */
68 GPIO53_GPIO, /* RESET */
69 GPIO83_GPIO, /* BVD1 */
70 GPIO82_GPIO, /* BVD2 */
71 GPIO1_GPIO, /* READY */
72 GPIO84_GPIO, /* DETECT */
73 GPIO107_GPIO, /* PPEN */
80 static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {};
83 #ifdef CONFIG_MACH_COLIBRI_PXA270_INCOME
84 static mfp_cfg_t income_pin_config[] __initdata = {
92 GPIO0_GPIO, /* SD detect */
93 GPIO1_GPIO, /* SD read-only */
113 GPIOxx_LCD_TFT_16BPP,
123 GPIO54_GPIO, /* LED A */
124 GPIO55_GPIO, /* LED B */
127 static mfp_cfg_t income_pin_config[] __initdata = {};
130 /******************************************************************************
132 ******************************************************************************/
133 static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
135 GPIO78_nCS_2, /* Ethernet CS */
136 GPIO114_GPIO, /* Ethernet IRQ */
140 GPIO29_AC97_SDATA_IN_0,
141 GPIO30_AC97_SDATA_OUT,
145 GPIO113_GPIO, /* Touchscreen IRQ */
148 /******************************************************************************
150 ******************************************************************************/
151 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
152 static struct mtd_partition colibri_partitions[] = {
154 .name = "Bootloader",
155 .offset = 0x00000000,
157 .mask_flags = MTD_WRITEABLE /* force read-only */
160 .offset = 0x00040000,
165 .offset = 0x00440000,
166 .size = MTDPART_SIZ_FULL,
171 static struct physmap_flash_data colibri_flash_data[] = {
173 .width = 4, /* bankwidth in bytes */
174 .parts = colibri_partitions,
175 .nr_parts = ARRAY_SIZE(colibri_partitions)
179 static struct resource colibri_pxa270_flash_resource = {
180 .start = PXA_CS0_PHYS,
181 .end = PXA_CS0_PHYS + SZ_32M - 1,
182 .flags = IORESOURCE_MEM,
185 static struct platform_device colibri_pxa270_flash_device = {
186 .name = "physmap-flash",
189 .platform_data = colibri_flash_data,
191 .resource = &colibri_pxa270_flash_resource,
195 static void __init colibri_pxa270_nor_init(void)
197 platform_device_register(&colibri_pxa270_flash_device);
200 static inline void colibri_pxa270_nor_init(void) {}
203 /******************************************************************************
205 ******************************************************************************/
206 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
207 static struct resource colibri_pxa270_dm9000_resources[] = {
209 .start = PXA_CS2_PHYS,
210 .end = PXA_CS2_PHYS + 3,
211 .flags = IORESOURCE_MEM,
214 .start = PXA_CS2_PHYS + 4,
215 .end = PXA_CS2_PHYS + 4 + 500,
216 .flags = IORESOURCE_MEM,
219 .start = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
220 .end = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
221 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
225 static struct platform_device colibri_pxa270_dm9000_device = {
228 .num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources),
229 .resource = colibri_pxa270_dm9000_resources,
232 static void __init colibri_pxa270_eth_init(void)
234 platform_device_register(&colibri_pxa270_dm9000_device);
237 static inline void colibri_pxa270_eth_init(void) {}
240 /******************************************************************************
241 * Audio and Touchscreen
242 ******************************************************************************/
243 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
244 defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
245 static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = {
249 static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = {
250 .irq = PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ),
253 static struct platform_device colibri_pxa270_ucb1400_device = {
254 .name = "ucb1400_core",
257 .platform_data = &colibri_pxa270_ucb1400_pdata,
261 static void __init colibri_pxa270_tsc_init(void)
263 pxa_set_ac97_info(&colibri_pxa270_ac97_pdata);
264 platform_device_register(&colibri_pxa270_ucb1400_device);
267 static inline void colibri_pxa270_tsc_init(void) {}
270 static int colibri_pxa270_baseboard;
271 core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444);
273 static void __init colibri_pxa270_init(void)
275 pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
277 colibri_pxa270_nor_init();
278 colibri_pxa270_eth_init();
279 colibri_pxa270_tsc_init();
281 switch (colibri_pxa270_baseboard) {
282 case COLIBRI_EVALBOARD:
283 pxa2xx_mfp_config(ARRAY_AND_SIZE(
284 colibri_pxa270_evalboard_pin_config));
285 colibri_evalboard_init();
287 case COLIBRI_PXA270_INCOME:
288 pxa2xx_mfp_config(ARRAY_AND_SIZE(income_pin_config));
289 colibri_pxa270_income_boardinit();
292 printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n",
293 colibri_pxa270_baseboard);
296 regulator_has_full_constraints();
299 /* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either
300 * with the INCOME mach type or with COLIBRI and the kernel parameter
301 * "colibri_pxa270_baseboard=1"
303 static void __init colibri_pxa270_income_init(void)
305 colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME;
306 colibri_pxa270_init();
309 MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
310 .atag_offset = 0x100,
311 .init_machine = colibri_pxa270_init,
312 .map_io = pxa27x_map_io,
313 .nr_irqs = PXA_NR_IRQS,
314 .init_irq = pxa27x_init_irq,
315 .handle_irq = pxa27x_handle_irq,
316 .init_time = pxa_timer_init,
317 .restart = pxa_restart,
320 MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC")
321 .atag_offset = 0x100,
322 .init_machine = colibri_pxa270_income_init,
323 .map_io = pxa27x_map_io,
324 .nr_irqs = PXA_NR_IRQS,
325 .init_irq = pxa27x_init_irq,
326 .handle_irq = pxa27x_handle_irq,
327 .init_time = pxa_timer_init,
328 .restart = pxa_restart,