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Igor Grinbergd04b6202010-09-21 16:03:09 +00001/*
2 * linux/arch/arm/mach-omap2/board-cm-t3517.c
3 *
4 * Support for the CompuLab CM-T3517 modules
5 *
6 * Copyright (C) 2010 CompuLab, Ltd.
7 * Author: Igor Grinberg <grinberg@compulab.co.il>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21 * 02110-1301 USA
22 *
23 */
24
25#include <linux/kernel.h>
26#include <linux/init.h>
27#include <linux/platform_device.h>
Igor Grinberg525d75b2010-09-21 16:03:11 +000028#include <linux/delay.h>
Igor Grinbergd04b6202010-09-21 16:03:09 +000029#include <linux/gpio.h>
30#include <linux/leds.h>
Igor Grinberg46893a52010-09-21 16:03:10 +000031#include <linux/rtc-v3020.h>
Igor Grinbergec34fcc2010-09-21 16:03:12 +000032#include <linux/mtd/mtd.h>
33#include <linux/mtd/nand.h>
34#include <linux/mtd/partitions.h>
Igor Grinbergb6a26b42010-09-21 16:03:13 +000035#include <linux/can/platform/ti_hecc.h>
Igor Grinbergd04b6202010-09-21 16:03:09 +000036
37#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39#include <asm/mach/map.h>
40
41#include <plat/board.h>
Tony Lindgren4e653312011-11-10 22:45:17 +010042#include "common.h"
Igor Grinberg525d75b2010-09-21 16:03:11 +000043#include <plat/usb.h>
Igor Grinbergec34fcc2010-09-21 16:03:12 +000044#include <plat/nand.h>
45#include <plat/gpmc.h>
Igor Grinbergd04b6202010-09-21 16:03:09 +000046
Igor Grinbergb6a26b42010-09-21 16:03:13 +000047#include <mach/am35xx.h>
48
Igor Grinbergd04b6202010-09-21 16:03:09 +000049#include "mux.h"
Paul Walmsley4814ced2010-10-08 11:40:20 -060050#include "control.h"
Igor Grinberg1704bf12011-05-30 00:11:45 -070051#include "common-board-devices.h"
Igor Grinbergd04b6202010-09-21 16:03:09 +000052
53#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
54static struct gpio_led cm_t3517_leds[] = {
55 [0] = {
56 .gpio = 186,
57 .name = "cm-t3517:green",
58 .default_trigger = "heartbeat",
59 .active_low = 0,
60 },
61};
62
63static struct gpio_led_platform_data cm_t3517_led_pdata = {
64 .num_leds = ARRAY_SIZE(cm_t3517_leds),
65 .leds = cm_t3517_leds,
66};
67
68static struct platform_device cm_t3517_led_device = {
69 .name = "leds-gpio",
70 .id = -1,
71 .dev = {
72 .platform_data = &cm_t3517_led_pdata,
73 },
74};
75
76static void __init cm_t3517_init_leds(void)
77{
78 platform_device_register(&cm_t3517_led_device);
79}
80#else
81static inline void cm_t3517_init_leds(void) {}
82#endif
83
Igor Grinbergb6a26b42010-09-21 16:03:13 +000084#if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE)
85static struct resource cm_t3517_hecc_resources[] = {
86 {
87 .start = AM35XX_IPSS_HECC_BASE,
88 .end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1,
89 .flags = IORESOURCE_MEM,
90 },
91 {
92 .start = INT_35XX_HECC0_IRQ,
93 .end = INT_35XX_HECC0_IRQ,
94 .flags = IORESOURCE_IRQ,
95 },
96};
97
98static struct ti_hecc_platform_data cm_t3517_hecc_pdata = {
99 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
100 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
101 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
102 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
103 .int_line = AM35XX_HECC_INT_LINE,
104 .version = AM35XX_HECC_VERSION,
105};
106
107static struct platform_device cm_t3517_hecc_device = {
108 .name = "ti_hecc",
109 .id = 1,
110 .num_resources = ARRAY_SIZE(cm_t3517_hecc_resources),
111 .resource = cm_t3517_hecc_resources,
112 .dev = {
113 .platform_data = &cm_t3517_hecc_pdata,
114 },
115};
116
117static void cm_t3517_init_hecc(void)
118{
119 platform_device_register(&cm_t3517_hecc_device);
120}
121#else
122static inline void cm_t3517_init_hecc(void) {}
123#endif
124
Igor Grinberg46893a52010-09-21 16:03:10 +0000125#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
126#define RTC_IO_GPIO (153)
127#define RTC_WR_GPIO (154)
Igor Grinbergfec5568cb2011-01-13 16:24:49 +0000128#define RTC_RD_GPIO (53)
Igor Grinberg46893a52010-09-21 16:03:10 +0000129#define RTC_CS_GPIO (163)
Igor Grinbergfec5568cb2011-01-13 16:24:49 +0000130#define RTC_CS_EN_GPIO (160)
Igor Grinberg46893a52010-09-21 16:03:10 +0000131
132struct v3020_platform_data cm_t3517_v3020_pdata = {
133 .use_gpio = 1,
134 .gpio_cs = RTC_CS_GPIO,
135 .gpio_wr = RTC_WR_GPIO,
136 .gpio_rd = RTC_RD_GPIO,
137 .gpio_io = RTC_IO_GPIO,
138};
139
140static struct platform_device cm_t3517_rtc_device = {
141 .name = "v3020",
142 .id = -1,
143 .dev = {
144 .platform_data = &cm_t3517_v3020_pdata,
145 }
146};
147
148static void __init cm_t3517_init_rtc(void)
149{
Igor Grinbergfec5568cb2011-01-13 16:24:49 +0000150 int err;
151
Igor Grinbergbc593f52011-05-03 18:22:09 +0300152 err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH,
153 "rtc cs en");
Igor Grinbergfec5568cb2011-01-13 16:24:49 +0000154 if (err) {
155 pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
156 return;
157 }
158
Igor Grinberg46893a52010-09-21 16:03:10 +0000159 platform_device_register(&cm_t3517_rtc_device);
160}
161#else
162static inline void cm_t3517_init_rtc(void) {}
163#endif
Igor Grinbergd04b6202010-09-21 16:03:09 +0000164
Igor Grinberg525d75b2010-09-21 16:03:11 +0000165#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
166#define HSUSB1_RESET_GPIO (146)
167#define HSUSB2_RESET_GPIO (147)
168#define USB_HUB_RESET_GPIO (152)
169
Keshava Munegowda181b2502011-03-01 20:08:16 +0530170static struct usbhs_omap_board_data cm_t3517_ehci_pdata __initdata = {
171 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
172 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
173 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
Igor Grinberg525d75b2010-09-21 16:03:11 +0000174
175 .phy_reset = true,
176 .reset_gpio_port[0] = HSUSB1_RESET_GPIO,
177 .reset_gpio_port[1] = HSUSB2_RESET_GPIO,
178 .reset_gpio_port[2] = -EINVAL,
179};
180
Igor Grinberg026fe792011-05-30 00:11:45 -0700181static int __init cm_t3517_init_usbh(void)
Igor Grinberg525d75b2010-09-21 16:03:11 +0000182{
183 int err;
184
Igor Grinbergbc593f52011-05-03 18:22:09 +0300185 err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW,
186 "usb hub rst");
Igor Grinberg525d75b2010-09-21 16:03:11 +0000187 if (err) {
188 pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
189 } else {
Igor Grinberg525d75b2010-09-21 16:03:11 +0000190 udelay(10);
191 gpio_set_value(USB_HUB_RESET_GPIO, 1);
192 msleep(1);
193 }
194
Keshava Munegowda9e64bb12011-03-01 20:08:19 +0530195 usbhs_init(&cm_t3517_ehci_pdata);
Igor Grinberg525d75b2010-09-21 16:03:11 +0000196
197 return 0;
198}
199#else
200static inline int cm_t3517_init_usbh(void)
201{
202 return 0;
203}
204#endif
205
Igor Grinbergec34fcc2010-09-21 16:03:12 +0000206#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
Igor Grinbergec34fcc2010-09-21 16:03:12 +0000207static struct mtd_partition cm_t3517_nand_partitions[] = {
208 {
209 .name = "xloader",
210 .offset = 0, /* Offset = 0x00000 */
211 .size = 4 * NAND_BLOCK_SIZE,
212 .mask_flags = MTD_WRITEABLE
213 },
214 {
215 .name = "uboot",
216 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
217 .size = 15 * NAND_BLOCK_SIZE,
218 },
219 {
220 .name = "uboot environment",
221 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
222 .size = 2 * NAND_BLOCK_SIZE,
223 },
224 {
225 .name = "linux",
Igor Grinberg2216b432011-01-13 16:24:50 +0000226 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */
Igor Grinbergec34fcc2010-09-21 16:03:12 +0000227 .size = 32 * NAND_BLOCK_SIZE,
228 },
229 {
230 .name = "rootfs",
Igor Grinberg2216b432011-01-13 16:24:50 +0000231 .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */
Igor Grinbergec34fcc2010-09-21 16:03:12 +0000232 .size = MTDPART_SIZ_FULL,
233 },
234};
235
236static struct omap_nand_platform_data cm_t3517_nand_data = {
237 .parts = cm_t3517_nand_partitions,
238 .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions),
Igor Grinbergec34fcc2010-09-21 16:03:12 +0000239 .cs = 0,
240};
241
242static void __init cm_t3517_init_nand(void)
243{
244 if (gpmc_nand_init(&cm_t3517_nand_data) < 0)
245 pr_err("CM-T3517: NAND initialization failed\n");
246}
247#else
248static inline void cm_t3517_init_nand(void) {}
249#endif
250
Igor Grinbergd04b6202010-09-21 16:03:09 +0000251static struct omap_board_config_kernel cm_t3517_config[] __initdata = {
252};
253
Tony Lindgrenc7ecea22011-03-11 11:39:51 -0800254#ifdef CONFIG_OMAP_MUX
Igor Grinbergd04b6202010-09-21 16:03:09 +0000255static struct omap_board_mux board_mux[] __initdata = {
256 /* GPIO186 - Green LED */
257 OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
Igor Grinbergfec5568cb2011-01-13 16:24:49 +0000258
259 /* RTC GPIOs: */
260 /* IO - GPIO153 */
Igor Grinberg46893a52010-09-21 16:03:10 +0000261 OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
Igor Grinbergfec5568cb2011-01-13 16:24:49 +0000262 /* WR# - GPIO154 */
Igor Grinberg46893a52010-09-21 16:03:10 +0000263 OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
Igor Grinbergfec5568cb2011-01-13 16:24:49 +0000264 /* RD# - GPIO53 */
265 OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
266 /* CS# - GPIO163 */
Igor Grinberg46893a52010-09-21 16:03:10 +0000267 OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
Igor Grinbergfec5568cb2011-01-13 16:24:49 +0000268 /* CS EN - GPIO160 */
269 OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
270
Igor Grinberg525d75b2010-09-21 16:03:11 +0000271 /* HSUSB1 RESET */
272 OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
273 /* HSUSB2 RESET */
274 OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
275 /* CM-T3517 USB HUB nRESET */
276 OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
Igor Grinbergd04b6202010-09-21 16:03:09 +0000277
278 { .reg_offset = OMAP_MUX_TERMINATOR },
279};
Tony Lindgrenc7ecea22011-03-11 11:39:51 -0800280#endif
Igor Grinbergd04b6202010-09-21 16:03:09 +0000281
282static void __init cm_t3517_init(void)
283{
284 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
285 omap_serial_init();
Tony Lindgrena4ca9db2011-08-22 23:57:23 -0700286 omap_sdrc_init(NULL, NULL);
Tony Lindgrene41cccf2011-02-24 14:36:03 -0800287 omap_board_config = cm_t3517_config;
288 omap_board_config_size = ARRAY_SIZE(cm_t3517_config);
Igor Grinbergd04b6202010-09-21 16:03:09 +0000289 cm_t3517_init_leds();
Igor Grinbergec34fcc2010-09-21 16:03:12 +0000290 cm_t3517_init_nand();
Igor Grinberg46893a52010-09-21 16:03:10 +0000291 cm_t3517_init_rtc();
Igor Grinberg525d75b2010-09-21 16:03:11 +0000292 cm_t3517_init_usbh();
Igor Grinbergb6a26b42010-09-21 16:03:13 +0000293 cm_t3517_init_hecc();
Igor Grinbergd04b6202010-09-21 16:03:09 +0000294}
295
296MACHINE_START(CM_T3517, "Compulab CM-T3517")
Nicolas Pitre5e52b432011-07-05 22:38:15 -0400297 .atag_offset = 0x100,
Igor Grinbergd04b6202010-09-21 16:03:09 +0000298 .reserve = omap_reserve,
Russell King - ARM Linux3dc3bad2011-02-14 15:40:20 -0800299 .map_io = omap3_map_io,
Tony Lindgren8f5b5a42011-08-22 23:57:24 -0700300 .init_early = am35xx_init_early,
Tony Lindgren741e3a82011-05-17 03:51:26 -0700301 .init_irq = omap3_init_irq,
Marc Zyngier6b2f55d2011-09-06 10:23:45 +0100302 .handle_irq = omap3_intc_handle_irq,
Igor Grinbergd04b6202010-09-21 16:03:09 +0000303 .init_machine = cm_t3517_init,
Tony Lindgrene74984e2011-03-29 15:54:48 -0700304 .timer = &omap3_timer,
Russell Kingbaa95882011-11-05 17:06:28 +0000305 .restart = omap_prcm_restart,
Igor Grinbergd04b6202010-09-21 16:03:09 +0000306MACHINE_END