Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix |
| 3 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version 2 |
| 8 | * of the License, or (at your option) any later version. |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| 17 | * MA 02110-1301, USA. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/platform_device.h> |
| 21 | #include <linux/mtd/physmap.h> |
Sascha Hauer | 3620c0d | 2008-11-23 17:31:46 +0100 | [diff] [blame] | 22 | #include <linux/mtd/plat-ram.h> |
Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 23 | #include <linux/io.h> |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 24 | #include <asm/mach/arch.h> |
| 25 | #include <asm/mach-types.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 26 | #include <mach/common.h> |
| 27 | #include <mach/hardware.h> |
Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 28 | #include <mach/iomux.h> |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 29 | #include <asm/mach/time.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | #include <mach/imx-uart.h> |
| 31 | #include <mach/board-pcm038.h> |
Sascha Hauer | 01f71a3 | 2008-09-09 11:30:58 +0200 | [diff] [blame] | 32 | #include <mach/mxc_nand.h> |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 33 | |
Sascha Hauer | 7e90534 | 2008-09-09 10:19:41 +0200 | [diff] [blame] | 34 | #include "devices.h" |
| 35 | |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 36 | /* |
Sascha Hauer | 3620c0d | 2008-11-23 17:31:46 +0100 | [diff] [blame] | 37 | * Phytec's PCM038 comes with 2MiB battery buffered SRAM, |
| 38 | * 16 bit width |
| 39 | */ |
| 40 | |
| 41 | static struct platdata_mtd_ram pcm038_sram_data = { |
| 42 | .bankwidth = 2, |
| 43 | }; |
| 44 | |
| 45 | static struct resource pcm038_sram_resource = { |
| 46 | .start = CS1_BASE_ADDR, |
| 47 | .end = CS1_BASE_ADDR + 512 * 1024 - 1, |
| 48 | .flags = IORESOURCE_MEM, |
| 49 | }; |
| 50 | |
| 51 | static struct platform_device pcm038_sram_mtd_device = { |
| 52 | .name = "mtd-ram", |
| 53 | .id = 0, |
| 54 | .dev = { |
| 55 | .platform_data = &pcm038_sram_data, |
| 56 | }, |
| 57 | .num_resources = 1, |
| 58 | .resource = &pcm038_sram_resource, |
| 59 | }; |
| 60 | |
| 61 | /* |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 62 | * Phytec's phyCORE-i.MX27 comes with 32MiB flash, |
| 63 | * 16 bit width |
| 64 | */ |
| 65 | static struct physmap_flash_data pcm038_flash_data = { |
| 66 | .width = 2, |
| 67 | }; |
| 68 | |
| 69 | static struct resource pcm038_flash_resource = { |
| 70 | .start = 0xc0000000, |
| 71 | .end = 0xc1ffffff, |
| 72 | .flags = IORESOURCE_MEM, |
| 73 | }; |
| 74 | |
| 75 | static struct platform_device pcm038_nor_mtd_device = { |
| 76 | .name = "physmap-flash", |
| 77 | .id = 0, |
| 78 | .dev = { |
| 79 | .platform_data = &pcm038_flash_data, |
| 80 | }, |
| 81 | .num_resources = 1, |
| 82 | .resource = &pcm038_flash_resource, |
| 83 | }; |
| 84 | |
| 85 | static int mxc_uart0_pins[] = { |
| 86 | PE12_PF_UART1_TXD, |
| 87 | PE13_PF_UART1_RXD, |
| 88 | PE14_PF_UART1_CTS, |
| 89 | PE15_PF_UART1_RTS |
| 90 | }; |
| 91 | |
| 92 | static int uart_mxc_port0_init(struct platform_device *pdev) |
| 93 | { |
| 94 | return mxc_gpio_setup_multiple_pins(mxc_uart0_pins, |
Sascha Hauer | 7bd1822 | 2008-11-04 16:48:46 +0100 | [diff] [blame] | 95 | ARRAY_SIZE(mxc_uart0_pins), "UART0"); |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | static int uart_mxc_port0_exit(struct platform_device *pdev) |
| 99 | { |
Sascha Hauer | 7bd1822 | 2008-11-04 16:48:46 +0100 | [diff] [blame] | 100 | mxc_gpio_release_multiple_pins(mxc_uart0_pins, |
| 101 | ARRAY_SIZE(mxc_uart0_pins)); |
| 102 | return 0; |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | static int mxc_uart1_pins[] = { |
| 106 | PE3_PF_UART2_CTS, |
| 107 | PE4_PF_UART2_RTS, |
| 108 | PE6_PF_UART2_TXD, |
| 109 | PE7_PF_UART2_RXD |
| 110 | }; |
| 111 | |
| 112 | static int uart_mxc_port1_init(struct platform_device *pdev) |
| 113 | { |
| 114 | return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, |
Sascha Hauer | 7bd1822 | 2008-11-04 16:48:46 +0100 | [diff] [blame] | 115 | ARRAY_SIZE(mxc_uart1_pins), "UART1"); |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | static int uart_mxc_port1_exit(struct platform_device *pdev) |
| 119 | { |
Sascha Hauer | 7bd1822 | 2008-11-04 16:48:46 +0100 | [diff] [blame] | 120 | mxc_gpio_release_multiple_pins(mxc_uart1_pins, |
| 121 | ARRAY_SIZE(mxc_uart1_pins)); |
| 122 | return 0; |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS, |
| 126 | PE9_PF_UART3_RXD, |
| 127 | PE10_PF_UART3_CTS, |
| 128 | PE9_PF_UART3_RXD }; |
| 129 | |
| 130 | static int uart_mxc_port2_init(struct platform_device *pdev) |
| 131 | { |
| 132 | return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, |
Sascha Hauer | 7bd1822 | 2008-11-04 16:48:46 +0100 | [diff] [blame] | 133 | ARRAY_SIZE(mxc_uart2_pins), "UART2"); |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | static int uart_mxc_port2_exit(struct platform_device *pdev) |
| 137 | { |
Sascha Hauer | 7bd1822 | 2008-11-04 16:48:46 +0100 | [diff] [blame] | 138 | mxc_gpio_release_multiple_pins(mxc_uart2_pins, |
| 139 | ARRAY_SIZE(mxc_uart2_pins)); |
| 140 | return 0; |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | static struct imxuart_platform_data uart_pdata[] = { |
| 144 | { |
| 145 | .init = uart_mxc_port0_init, |
| 146 | .exit = uart_mxc_port0_exit, |
| 147 | .flags = IMXUART_HAVE_RTSCTS, |
| 148 | }, { |
| 149 | .init = uart_mxc_port1_init, |
| 150 | .exit = uart_mxc_port1_exit, |
| 151 | .flags = IMXUART_HAVE_RTSCTS, |
| 152 | }, { |
| 153 | .init = uart_mxc_port2_init, |
| 154 | .exit = uart_mxc_port2_exit, |
| 155 | .flags = IMXUART_HAVE_RTSCTS, |
| 156 | }, |
| 157 | }; |
| 158 | |
| 159 | static int mxc_fec_pins[] = { |
| 160 | PD0_AIN_FEC_TXD0, |
| 161 | PD1_AIN_FEC_TXD1, |
| 162 | PD2_AIN_FEC_TXD2, |
| 163 | PD3_AIN_FEC_TXD3, |
| 164 | PD4_AOUT_FEC_RX_ER, |
| 165 | PD5_AOUT_FEC_RXD1, |
| 166 | PD6_AOUT_FEC_RXD2, |
| 167 | PD7_AOUT_FEC_RXD3, |
| 168 | PD8_AF_FEC_MDIO, |
| 169 | PD9_AIN_FEC_MDC, |
| 170 | PD10_AOUT_FEC_CRS, |
| 171 | PD11_AOUT_FEC_TX_CLK, |
| 172 | PD12_AOUT_FEC_RXD0, |
| 173 | PD13_AOUT_FEC_RX_DV, |
Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 174 | PD14_AOUT_FEC_RX_CLK, |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 175 | PD15_AOUT_FEC_COL, |
| 176 | PD16_AIN_FEC_TX_ER, |
| 177 | PF23_AIN_FEC_TX_EN |
| 178 | }; |
| 179 | |
| 180 | static void gpio_fec_active(void) |
| 181 | { |
| 182 | mxc_gpio_setup_multiple_pins(mxc_fec_pins, |
Sascha Hauer | 7bd1822 | 2008-11-04 16:48:46 +0100 | [diff] [blame] | 183 | ARRAY_SIZE(mxc_fec_pins), "FEC"); |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 184 | } |
| 185 | |
Sascha Hauer | 01f71a3 | 2008-09-09 11:30:58 +0200 | [diff] [blame] | 186 | static struct mxc_nand_platform_data pcm038_nand_board_info = { |
| 187 | .width = 1, |
| 188 | .hw_ecc = 1, |
| 189 | }; |
| 190 | |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 191 | static struct platform_device *platform_devices[] __initdata = { |
| 192 | &pcm038_nor_mtd_device, |
Sascha Hauer | d40a099 | 2008-12-01 14:15:40 -0800 | [diff] [blame] | 193 | &mxc_w1_master_device, |
Sascha Hauer | 879fea1 | 2009-01-26 17:26:02 +0100 | [diff] [blame^] | 194 | &mxc_fec_device, |
Sascha Hauer | 3620c0d | 2008-11-23 17:31:46 +0100 | [diff] [blame] | 195 | &pcm038_sram_mtd_device, |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 196 | }; |
| 197 | |
Sascha Hauer | 3620c0d | 2008-11-23 17:31:46 +0100 | [diff] [blame] | 198 | /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and |
| 199 | * setup other stuffs to access the sram. */ |
| 200 | static void __init pcm038_init_sram(void) |
| 201 | { |
| 202 | __raw_writel(0x0000d843, CSCR_U(1)); |
| 203 | __raw_writel(0x22252521, CSCR_L(1)); |
| 204 | __raw_writel(0x22220a00, CSCR_A(1)); |
| 205 | } |
| 206 | |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 207 | static void __init pcm038_init(void) |
| 208 | { |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 209 | gpio_fec_active(); |
Sascha Hauer | 3620c0d | 2008-11-23 17:31:46 +0100 | [diff] [blame] | 210 | pcm038_init_sram(); |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 211 | |
Sascha Hauer | 7e90534 | 2008-09-09 10:19:41 +0200 | [diff] [blame] | 212 | mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); |
| 213 | mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); |
| 214 | mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); |
Sascha Hauer | 01f71a3 | 2008-09-09 11:30:58 +0200 | [diff] [blame] | 215 | |
Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 216 | mxc_gpio_mode(PE16_AF_OWIRE); |
Sascha Hauer | 01f71a3 | 2008-09-09 11:30:58 +0200 | [diff] [blame] | 217 | mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info); |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 218 | |
| 219 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
Juergen Beisert | ff6552e | 2008-07-05 10:03:01 +0200 | [diff] [blame] | 220 | |
| 221 | #ifdef CONFIG_MACH_PCM970_BASEBOARD |
| 222 | pcm970_baseboard_init(); |
| 223 | #endif |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | static void __init pcm038_timer_init(void) |
| 227 | { |
Sascha Hauer | 30c730f | 2009-02-16 14:36:49 +0100 | [diff] [blame] | 228 | mx27_clocks_init(26000000); |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 229 | } |
| 230 | |
Holger Schurig | 058b7a6 | 2009-01-26 16:34:51 +0100 | [diff] [blame] | 231 | static struct sys_timer pcm038_timer = { |
Juergen Beisert | 7e5e9f5 | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 232 | .init = pcm038_timer_init, |
| 233 | }; |
| 234 | |
| 235 | MACHINE_START(PCM038, "phyCORE-i.MX27") |
| 236 | .phys_io = AIPI_BASE_ADDR, |
| 237 | .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
| 238 | .boot_params = PHYS_OFFSET + 0x100, |
| 239 | .map_io = mxc_map_io, |
| 240 | .init_irq = mxc_init_irq, |
| 241 | .init_machine = pcm038_init, |
| 242 | .timer = &pcm038_timer, |
| 243 | MACHINE_END |