1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-omap1/board-innovator.c
5 * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
7 * Copyright (C) 2001 RidgeRun, Inc.
8 * Author: Greg Lonnon <glonnon@ridgerun.com>
10 * Copyright (C) 2002 MontaVista Software, Inc.
12 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
13 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
15 #include <linux/gpio.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/delay.h>
20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/partitions.h>
22 #include <linux/mtd/physmap.h>
23 #include <linux/input.h>
24 #include <linux/smc91x.h>
25 #include <linux/omapfb.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
34 #include <linux/platform_data/keypad-omap.h>
36 #include <mach/hardware.h>
43 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
44 #define INNOVATOR1610_ETHR_START 0x04000300
46 static const unsigned int innovator_keymap[] = {
58 static struct mtd_partition innovator_partitions[] = {
59 /* bootloader (U-Boot, etc) in first sector */
64 .mask_flags = MTD_WRITEABLE, /* force read-only */
66 /* bootloader params in the next sector */
69 .offset = MTDPART_OFS_APPEND,
76 .offset = MTDPART_OFS_APPEND,
80 /* rest of flash1 is a file system */
83 .offset = MTDPART_OFS_APPEND,
84 .size = SZ_16M - SZ_2M - 2 * SZ_128K,
90 .offset = MTDPART_OFS_APPEND,
91 .size = MTDPART_SIZ_FULL,
96 static struct physmap_flash_data innovator_flash_data = {
98 .set_vpp = omap1_set_vpp,
99 .parts = innovator_partitions,
100 .nr_parts = ARRAY_SIZE(innovator_partitions),
103 static struct resource innovator_flash_resource = {
104 .start = OMAP_CS0_PHYS,
105 .end = OMAP_CS0_PHYS + SZ_32M - 1,
106 .flags = IORESOURCE_MEM,
109 static struct platform_device innovator_flash_device = {
110 .name = "physmap-flash",
113 .platform_data = &innovator_flash_data,
116 .resource = &innovator_flash_resource,
119 static struct resource innovator_kp_resources[] = {
121 .start = INT_KEYBOARD,
123 .flags = IORESOURCE_IRQ,
127 static const struct matrix_keymap_data innovator_keymap_data = {
128 .keymap = innovator_keymap,
129 .keymap_size = ARRAY_SIZE(innovator_keymap),
132 static struct omap_kp_platform_data innovator_kp_data = {
135 .keymap_data = &innovator_keymap_data,
139 static struct platform_device innovator_kp_device = {
140 .name = "omap-keypad",
143 .platform_data = &innovator_kp_data,
145 .num_resources = ARRAY_SIZE(innovator_kp_resources),
146 .resource = innovator_kp_resources,
149 static struct smc91x_platdata innovator_smc91x_info = {
150 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
151 .leda = RPC_LED_100_10,
152 .ledb = RPC_LED_TX_RX,
155 #ifdef CONFIG_ARCH_OMAP15XX
157 #include <linux/spi/spi.h>
158 #include <linux/spi/ads7846.h>
161 /* Only FPGA needs to be mapped here. All others are done with ioremap */
162 static struct map_desc innovator1510_io_desc[] __initdata = {
164 .virtual = OMAP1510_FPGA_BASE,
165 .pfn = __phys_to_pfn(OMAP1510_FPGA_START),
166 .length = OMAP1510_FPGA_SIZE,
171 static struct resource innovator1510_smc91x_resources[] = {
173 .start = OMAP1510_FPGA_ETHR_START, /* Physical */
174 .end = OMAP1510_FPGA_ETHR_START + 0xf,
175 .flags = IORESOURCE_MEM,
178 .start = OMAP1510_INT_ETHER,
179 .end = OMAP1510_INT_ETHER,
180 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
184 static struct platform_device innovator1510_smc91x_device = {
188 .platform_data = &innovator_smc91x_info,
190 .num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
191 .resource = innovator1510_smc91x_resources,
194 static struct platform_device innovator1510_lcd_device = {
195 .name = "lcd_inn1510",
199 static struct platform_device innovator1510_spi_device = {
200 .name = "spi_inn1510",
204 static struct platform_device *innovator1510_devices[] __initdata = {
205 &innovator_flash_device,
206 &innovator1510_smc91x_device,
207 &innovator_kp_device,
208 &innovator1510_lcd_device,
209 &innovator1510_spi_device,
212 static int innovator_get_pendown_state(void)
214 return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
217 static const struct ads7846_platform_data innovator1510_ts_info = {
219 .vref_delay_usecs = 100, /* internal, no capacitor */
222 .get_pendown_state = innovator_get_pendown_state,
225 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
226 /* FPGA (bus "10") CS0 has an ads7846e */
227 .modalias = "ads7846",
228 .platform_data = &innovator1510_ts_info,
229 .irq = OMAP1510_INT_FPGA_TS,
230 .max_speed_hz = 120000 /* max sample rate at 3V */
231 * 26 /* command + data + overhead */,
236 #endif /* CONFIG_ARCH_OMAP15XX */
238 #ifdef CONFIG_ARCH_OMAP16XX
240 static struct resource innovator1610_smc91x_resources[] = {
242 .start = INNOVATOR1610_ETHR_START, /* Physical */
243 .end = INNOVATOR1610_ETHR_START + 0xf,
244 .flags = IORESOURCE_MEM,
247 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
251 static struct platform_device innovator1610_smc91x_device = {
255 .platform_data = &innovator_smc91x_info,
257 .num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
258 .resource = innovator1610_smc91x_resources,
261 static struct platform_device innovator1610_lcd_device = {
262 .name = "inn1610_lcd",
266 static struct platform_device *innovator1610_devices[] __initdata = {
267 &innovator_flash_device,
268 &innovator1610_smc91x_device,
269 &innovator_kp_device,
270 &innovator1610_lcd_device,
273 #endif /* CONFIG_ARCH_OMAP16XX */
275 static void __init innovator_init_smc91x(void)
277 if (cpu_is_omap1510()) {
278 __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
282 if (gpio_request(0, "SMC91x irq") < 0) {
283 printk("Error requesting gpio 0 for smc91x irq\n");
289 #ifdef CONFIG_ARCH_OMAP15XX
290 static struct omap_usb_config innovator1510_usb_config __initdata = {
291 /* for bundled non-standard host and peripheral cables */
296 .pins[2] = 6, /* Conflicts with UART2 */
302 static const struct omap_lcd_config innovator1510_lcd_config __initconst = {
303 .ctrl_name = "internal",
307 #ifdef CONFIG_ARCH_OMAP16XX
308 static struct omap_usb_config h2_usb_config __initdata = {
309 /* usb1 has a Mini-AB port and external isp1301 transceiver */
312 #if IS_ENABLED(CONFIG_USB_OMAP)
313 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
314 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
315 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
316 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
317 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
323 static const struct omap_lcd_config innovator1610_lcd_config __initconst = {
324 .ctrl_name = "internal",
328 #if IS_ENABLED(CONFIG_MMC_OMAP)
330 static int mmc_set_power(struct device *dev, int slot, int power_on,
334 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
335 OMAP1510_FPGA_POWER);
337 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
338 OMAP1510_FPGA_POWER);
344 * Innovator could use the following functions tested:
345 * - mmc_get_wp that uses OMAP_MPUIO(3)
346 * - mmc_get_cover_state that uses FPGA F4 UIO43
348 static struct omap_mmc_platform_data mmc1_data = {
351 .set_power = mmc_set_power,
357 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
359 static void __init innovator_mmc_init(void)
361 mmc_data[0] = &mmc1_data;
362 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
366 static inline void innovator_mmc_init(void)
371 static void __init innovator_init(void)
373 if (cpu_is_omap1510())
374 omap1510_fpga_init_irq();
375 innovator_init_smc91x();
377 #ifdef CONFIG_ARCH_OMAP15XX
378 if (cpu_is_omap1510()) {
381 /* mux pins for uarts */
382 omap_cfg_reg(UART1_TX);
383 omap_cfg_reg(UART1_RTS);
384 omap_cfg_reg(UART2_TX);
385 omap_cfg_reg(UART2_RTS);
386 omap_cfg_reg(UART3_TX);
387 omap_cfg_reg(UART3_RX);
389 reg = __raw_readb(OMAP1510_FPGA_POWER);
390 reg |= OMAP1510_FPGA_PCR_COM1_EN;
391 __raw_writeb(reg, OMAP1510_FPGA_POWER);
394 reg = __raw_readb(OMAP1510_FPGA_POWER);
395 reg |= OMAP1510_FPGA_PCR_COM2_EN;
396 __raw_writeb(reg, OMAP1510_FPGA_POWER);
399 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
400 spi_register_board_info(innovator1510_boardinfo,
401 ARRAY_SIZE(innovator1510_boardinfo));
404 #ifdef CONFIG_ARCH_OMAP16XX
405 if (!cpu_is_omap1510()) {
406 innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
407 innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
408 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
412 #ifdef CONFIG_ARCH_OMAP15XX
413 if (cpu_is_omap1510()) {
414 omap1_usb_init(&innovator1510_usb_config);
415 omapfb_set_lcd_config(&innovator1510_lcd_config);
418 #ifdef CONFIG_ARCH_OMAP16XX
419 if (cpu_is_omap1610()) {
420 omap1_usb_init(&h2_usb_config);
421 omapfb_set_lcd_config(&innovator1610_lcd_config);
425 omap_register_i2c_bus(1, 100, NULL, 0);
426 innovator_mmc_init();
430 * REVISIT: Assume 15xx for now, we don't want to do revision check
431 * until later on. The right way to fix this is to set up a different
432 * machine_id for 16xx Innovator, or use device tree.
434 static void __init innovator_map_io(void)
436 #ifdef CONFIG_ARCH_OMAP15XX
439 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
440 udelay(10); /* Delay needed for FPGA */
442 /* Dump the Innovator FPGA rev early - useful info for support. */
443 pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
444 __raw_readb(OMAP1510_FPGA_REV_HIGH),
445 __raw_readb(OMAP1510_FPGA_REV_LOW),
446 __raw_readb(OMAP1510_FPGA_BOARD_REV));
450 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
451 /* Maintainer: MontaVista Software, Inc. */
452 .atag_offset = 0x100,
453 .map_io = innovator_map_io,
454 .init_early = omap1_init_early,
455 .init_irq = omap1_init_irq,
456 .handle_irq = omap1_handle_irq,
457 .init_machine = innovator_init,
458 .init_late = omap1_init_late,
459 .init_time = omap1_timer_init,
460 .restart = omap1_restart,