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-rw-r--r--arch/arm/mach-mx3/mach-mx31_3ds.c116
1 files changed, 97 insertions, 19 deletions
diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index b88c18ad7698..f54af1e29ca4 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -23,6 +23,9 @@
23#include <linux/gpio.h> 23#include <linux/gpio.h>
24#include <linux/smsc911x.h> 24#include <linux/smsc911x.h>
25#include <linux/platform_device.h> 25#include <linux/platform_device.h>
26#include <linux/mfd/mc13783.h>
27#include <linux/spi/spi.h>
28#include <linux/regulator/machine.h>
26 29
27#include <mach/hardware.h> 30#include <mach/hardware.h>
28#include <asm/mach-types.h> 31#include <asm/mach-types.h>
@@ -31,26 +34,96 @@
31#include <asm/memory.h> 34#include <asm/memory.h>
32#include <asm/mach/map.h> 35#include <asm/mach/map.h>
33#include <mach/common.h> 36#include <mach/common.h>
34#include <mach/board-mx31pdk.h> 37#include <mach/board-mx31_3ds.h>
35#include <mach/imx-uart.h> 38#include <mach/imx-uart.h>
36#include <mach/iomux-mx3.h> 39#include <mach/iomux-mx3.h>
40#include <mach/mxc_nand.h>
41#include <mach/spi.h>
37#include "devices.h" 42#include "devices.h"
38 43
39/*! 44/*!
40 * @file mx31pdk.c 45 * @file mx31_3ds.c
41 * 46 *
42 * @brief This file contains the board-specific initialization routines. 47 * @brief This file contains the board-specific initialization routines.
43 * 48 *
44 * @ingroup System 49 * @ingroup System
45 */ 50 */
46 51
47static int mx31pdk_pins[] = { 52static int mx31_3ds_pins[] = {
48 /* UART1 */ 53 /* UART1 */
49 MX31_PIN_CTS1__CTS1, 54 MX31_PIN_CTS1__CTS1,
50 MX31_PIN_RTS1__RTS1, 55 MX31_PIN_RTS1__RTS1,
51 MX31_PIN_TXD1__TXD1, 56 MX31_PIN_TXD1__TXD1,
52 MX31_PIN_RXD1__RXD1, 57 MX31_PIN_RXD1__RXD1,
53 IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), 58 IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
59 /* SPI 1 */
60 MX31_PIN_CSPI2_SCLK__SCLK,
61 MX31_PIN_CSPI2_MOSI__MOSI,
62 MX31_PIN_CSPI2_MISO__MISO,
63 MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
64 MX31_PIN_CSPI2_SS0__SS0,
65 MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
66 /* MC13783 IRQ */
67 IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
68};
69
70/* Regulators */
71static struct regulator_init_data pwgtx_init = {
72 .constraints = {
73 .boot_on = 1,
74 .always_on = 1,
75 },
76};
77
78static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
79 {
80 .id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */
81 .init_data = &pwgtx_init,
82 }, {
83 .id = MC13783_REGU_PWGT2SPI, /* Power Gate for L2 Cache. */
84 .init_data = &pwgtx_init,
85 },
86};
87
88/* MC13783 */
89static struct mc13783_platform_data mc13783_pdata __initdata = {
90 .regulators = mx31_3ds_regulators,
91 .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
92 .flags = MC13783_USE_REGULATOR,
93};
94
95/* SPI */
96static int spi1_internal_chipselect[] = {
97 MXC_SPI_CS(0),
98 MXC_SPI_CS(2),
99};
100
101static struct spi_imx_master spi1_pdata = {
102 .chipselect = spi1_internal_chipselect,
103 .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect),
104};
105
106static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
107 {
108 .modalias = "mc13783",
109 .max_speed_hz = 1000000,
110 .bus_num = 1,
111 .chip_select = 1, /* SS2 */
112 .platform_data = &mc13783_pdata,
113 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
114 .mode = SPI_CS_HIGH,
115 },
116};
117
118/*
119 * NAND Flash
120 */
121static struct mxc_nand_platform_data imx31_3ds_nand_flash_pdata = {
122 .width = 1,
123 .hw_ecc = 1,
124#ifdef MACH_MX31_3DS_MXC_NAND_USE_BBT
125 .flash_bbt = 1,
126#endif
54}; 127};
55 128
56static struct imxuart_platform_data uart_pdata = { 129static struct imxuart_platform_data uart_pdata = {
@@ -95,7 +168,7 @@ static struct platform_device smsc911x_device = {
95 * LEDs, switches, interrupts for Ethernet. 168 * LEDs, switches, interrupts for Ethernet.
96 */ 169 */
97 170
98static void mx31pdk_expio_irq_handler(uint32_t irq, struct irq_desc *desc) 171static void mx31_3ds_expio_irq_handler(uint32_t irq, struct irq_desc *desc)
99{ 172{
100 uint32_t imr_val; 173 uint32_t imr_val;
101 uint32_t int_valid; 174 uint32_t int_valid;
@@ -163,7 +236,7 @@ static struct irq_chip expio_irq_chip = {
163 .unmask = expio_unmask_irq, 236 .unmask = expio_unmask_irq,
164}; 237};
165 238
166static int __init mx31pdk_init_expio(void) 239static int __init mx31_3ds_init_expio(void)
167{ 240{
168 int i; 241 int i;
169 int ret; 242 int ret;
@@ -176,7 +249,7 @@ static int __init mx31pdk_init_expio(void)
176 return -ENODEV; 249 return -ENODEV;
177 } 250 }
178 251
179 pr_info("i.MX31PDK Debug board detected, rev = 0x%04X\n", 252 pr_info("i.MX31 3DS Debug board detected, rev = 0x%04X\n",
180 __raw_readw(CPLD_CODE_VER_REG)); 253 __raw_readw(CPLD_CODE_VER_REG));
181 254
182 /* 255 /*
@@ -201,7 +274,7 @@ static int __init mx31pdk_init_expio(void)
201 set_irq_flags(i, IRQF_VALID); 274 set_irq_flags(i, IRQF_VALID);
202 } 275 }
203 set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_LOW); 276 set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_LOW);
204 set_irq_chained_handler(EXPIO_PARENT_INT, mx31pdk_expio_irq_handler); 277 set_irq_chained_handler(EXPIO_PARENT_INT, mx31_3ds_expio_irq_handler);
205 278
206 return 0; 279 return 0;
207} 280}
@@ -209,7 +282,7 @@ static int __init mx31pdk_init_expio(void)
209/* 282/*
210 * This structure defines the MX31 memory map. 283 * This structure defines the MX31 memory map.
211 */ 284 */
212static struct map_desc mx31pdk_io_desc[] __initdata = { 285static struct map_desc mx31_3ds_io_desc[] __initdata = {
213 { 286 {
214 .virtual = MX31_CS5_BASE_ADDR_VIRT, 287 .virtual = MX31_CS5_BASE_ADDR_VIRT,
215 .pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR), 288 .pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR),
@@ -221,10 +294,10 @@ static struct map_desc mx31pdk_io_desc[] __initdata = {
221/* 294/*
222 * Set up static virtual mappings. 295 * Set up static virtual mappings.
223 */ 296 */
224static void __init mx31pdk_map_io(void) 297static void __init mx31_3ds_map_io(void)
225{ 298{
226 mx31_map_io(); 299 mx31_map_io();
227 iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc)); 300 iotable_init(mx31_3ds_io_desc, ARRAY_SIZE(mx31_3ds_io_desc));
228} 301}
229 302
230/*! 303/*!
@@ -232,35 +305,40 @@ static void __init mx31pdk_map_io(void)
232 */ 305 */
233static void __init mxc_board_init(void) 306static void __init mxc_board_init(void)
234{ 307{
235 mxc_iomux_setup_multiple_pins(mx31pdk_pins, ARRAY_SIZE(mx31pdk_pins), 308 mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
236 "mx31pdk"); 309 "mx31_3ds");
237 310
238 mxc_register_device(&mxc_uart_device0, &uart_pdata); 311 mxc_register_device(&mxc_uart_device0, &uart_pdata);
312 mxc_register_device(&mxc_nand_device, &imx31_3ds_nand_flash_pdata);
313
314 mxc_register_device(&mxc_spi_device1, &spi1_pdata);
315 spi_register_board_info(mx31_3ds_spi_devs,
316 ARRAY_SIZE(mx31_3ds_spi_devs));
239 317
240 if (!mx31pdk_init_expio()) 318 if (!mx31_3ds_init_expio())
241 platform_device_register(&smsc911x_device); 319 platform_device_register(&smsc911x_device);
242} 320}
243 321
244static void __init mx31pdk_timer_init(void) 322static void __init mx31_3ds_timer_init(void)
245{ 323{
246 mx31_clocks_init(26000000); 324 mx31_clocks_init(26000000);
247} 325}
248 326
249static struct sys_timer mx31pdk_timer = { 327static struct sys_timer mx31_3ds_timer = {
250 .init = mx31pdk_timer_init, 328 .init = mx31_3ds_timer_init,
251}; 329};
252 330
253/* 331/*
254 * The following uses standard kernel macros defined in arch.h in order to 332 * The following uses standard kernel macros defined in arch.h in order to
255 * initialize __mach_desc_MX31PDK data structure. 333 * initialize __mach_desc_MX31_3DS data structure.
256 */ 334 */
257MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") 335MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
258 /* Maintainer: Freescale Semiconductor, Inc. */ 336 /* Maintainer: Freescale Semiconductor, Inc. */
259 .phys_io = MX31_AIPS1_BASE_ADDR, 337 .phys_io = MX31_AIPS1_BASE_ADDR,
260 .io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc, 338 .io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
261 .boot_params = MX3x_PHYS_OFFSET + 0x100, 339 .boot_params = MX3x_PHYS_OFFSET + 0x100,
262 .map_io = mx31pdk_map_io, 340 .map_io = mx31_3ds_map_io,
263 .init_irq = mx31_init_irq, 341 .init_irq = mx31_init_irq,
264 .init_machine = mxc_board_init, 342 .init_machine = mxc_board_init,
265 .timer = &mx31pdk_timer, 343 .timer = &mx31_3ds_timer,
266MACHINE_END 344MACHINE_END