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authorIvo Clarysse <ivo.clarysse@gmail.com>2009-04-15 09:39:27 -0400
committerSascha Hauer <s.hauer@pengutronix.de>2009-05-07 10:16:24 -0400
commit6b91edde09fadde2657b11b454b88ae89c5b4cae (patch)
tree9eca6ca9d3737b297a5a9b7c7efcaf7d4a6409f4 /arch/arm
parenta8df0ee8d89dc1bdbec7415be620b159b5b0177b (diff)
MXC: mx21ads base support
[PATCH v6] MXC: mx21ads base support Base machine support for the Freescale i.MX21ADS (M9328MX21ADSE) Application Development System. Signed-off-by: Ivo Clarysse <ivo.clarysse@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-mx2/Kconfig7
-rw-r--r--arch/arm/mach-mx2/Makefile1
-rw-r--r--arch/arm/mach-mx2/mx21ads.c286
-rw-r--r--arch/arm/plat-mxc/include/mach/board-mx21ads.h58
-rw-r--r--arch/arm/plat-mxc/include/mach/debug-macro.S3
5 files changed, 355 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig
index 42a788842f49..7ce3712ab8ce 100644
--- a/arch/arm/mach-mx2/Kconfig
+++ b/arch/arm/mach-mx2/Kconfig
@@ -18,6 +18,13 @@ endchoice
18 18
19comment "MX2 platforms:" 19comment "MX2 platforms:"
20 20
21config MACH_MX21ADS
22 bool "MX21ADS platform"
23 depends on MACH_MX21
24 help
25 Include support for MX21ADS platform. This includes specific
26 configurations for the board and its peripherals.
27
21config MACH_MX27ADS 28config MACH_MX27ADS
22 bool "MX27ADS platform" 29 bool "MX27ADS platform"
23 depends on MACH_MX27 30 depends on MACH_MX27
diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile
index 950649a91540..e583754febad 100644
--- a/arch/arm/mach-mx2/Makefile
+++ b/arch/arm/mach-mx2/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_MACH_MX21) += clock_imx21.o
11obj-$(CONFIG_MACH_MX27) += cpu_imx27.o 11obj-$(CONFIG_MACH_MX27) += cpu_imx27.o
12obj-$(CONFIG_MACH_MX27) += clock_imx27.o 12obj-$(CONFIG_MACH_MX27) += clock_imx27.o
13 13
14obj-$(CONFIG_MACH_MX21ADS) += mx21ads.o
14obj-$(CONFIG_MACH_MX27ADS) += mx27ads.o 15obj-$(CONFIG_MACH_MX27ADS) += mx27ads.o
15obj-$(CONFIG_MACH_PCM038) += pcm038.o 16obj-$(CONFIG_MACH_PCM038) += pcm038.o
16obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o 17obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o
diff --git a/arch/arm/mach-mx2/mx21ads.c b/arch/arm/mach-mx2/mx21ads.c
new file mode 100644
index 000000000000..a5ee461cb405
--- /dev/null
+++ b/arch/arm/mach-mx2/mx21ads.c
@@ -0,0 +1,286 @@
1/*
2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/platform_device.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/physmap.h>
24#include <linux/gpio.h>
25#include <mach/common.h>
26#include <mach/hardware.h>
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/time.h>
30#include <asm/mach/map.h>
31#include <mach/imx-uart.h>
32#include <mach/imxfb.h>
33#include <mach/iomux.h>
34#include <mach/mxc_nand.h>
35#include <mach/mmc.h>
36#include <mach/board-mx21ads.h>
37
38#include "devices.h"
39
40static unsigned int mx21ads_pins[] = {
41
42 /* CS8900A */
43 (GPIO_PORTE | GPIO_GPIO | GPIO_IN | 11),
44
45 /* UART1 */
46 PE12_PF_UART1_TXD,
47 PE13_PF_UART1_RXD,
48 PE14_PF_UART1_CTS,
49 PE15_PF_UART1_RTS,
50
51 /* UART3 (IrDA) - only TXD and RXD */
52 PE8_PF_UART3_TXD,
53 PE9_PF_UART3_RXD,
54
55 /* UART4 */
56 PB26_AF_UART4_RTS,
57 PB28_AF_UART4_TXD,
58 PB29_AF_UART4_CTS,
59 PB31_AF_UART4_RXD,
60
61 /* LCDC */
62 PA5_PF_LSCLK,
63 PA6_PF_LD0,
64 PA7_PF_LD1,
65 PA8_PF_LD2,
66 PA9_PF_LD3,
67 PA10_PF_LD4,
68 PA11_PF_LD5,
69 PA12_PF_LD6,
70 PA13_PF_LD7,
71 PA14_PF_LD8,
72 PA15_PF_LD9,
73 PA16_PF_LD10,
74 PA17_PF_LD11,
75 PA18_PF_LD12,
76 PA19_PF_LD13,
77 PA20_PF_LD14,
78 PA21_PF_LD15,
79 PA22_PF_LD16,
80 PA24_PF_REV, /* Sharp panel dedicated signal */
81 PA25_PF_CLS, /* Sharp panel dedicated signal */
82 PA26_PF_PS, /* Sharp panel dedicated signal */
83 PA27_PF_SPL_SPR, /* Sharp panel dedicated signal */
84 PA28_PF_HSYNC,
85 PA29_PF_VSYNC,
86 PA30_PF_CONTRAST,
87 PA31_PF_OE_ACD,
88
89 /* MMC/SDHC */
90 PE18_PF_SD1_D0,
91 PE19_PF_SD1_D1,
92 PE20_PF_SD1_D2,
93 PE21_PF_SD1_D3,
94 PE22_PF_SD1_CMD,
95 PE23_PF_SD1_CLK,
96
97 /* NFC */
98 PF0_PF_NRFB,
99 PF1_PF_NFCE,
100 PF2_PF_NFWP,
101 PF3_PF_NFCLE,
102 PF4_PF_NFALE,
103 PF5_PF_NFRE,
104 PF6_PF_NFWE,
105 PF7_PF_NFIO0,
106 PF8_PF_NFIO1,
107 PF9_PF_NFIO2,
108 PF10_PF_NFIO3,
109 PF11_PF_NFIO4,
110 PF12_PF_NFIO5,
111 PF13_PF_NFIO6,
112 PF14_PF_NFIO7,
113};
114
115/* ADS's NOR flash: 2x AM29BDS128HE9VKI on 32-bit bus */
116static struct physmap_flash_data mx21ads_flash_data = {
117 .width = 4,
118};
119
120static struct resource mx21ads_flash_resource = {
121 .start = CS0_BASE_ADDR,
122 .end = CS0_BASE_ADDR + 0x02000000 - 1,
123 .flags = IORESOURCE_MEM,
124};
125
126static struct platform_device mx21ads_nor_mtd_device = {
127 .name = "physmap-flash",
128 .id = 0,
129 .dev = {
130 .platform_data = &mx21ads_flash_data,
131 },
132 .num_resources = 1,
133 .resource = &mx21ads_flash_resource,
134};
135
136static struct imxuart_platform_data uart_pdata = {
137 .flags = IMXUART_HAVE_RTSCTS,
138};
139
140static struct imxuart_platform_data uart_norts_pdata = {
141};
142
143
144static int mx21ads_fb_init(struct platform_device *pdev)
145{
146 u16 tmp;
147
148 tmp = __raw_readw(MX21ADS_IO_REG);
149 tmp |= MX21ADS_IO_LCDON;
150 __raw_writew(tmp, MX21ADS_IO_REG);
151 return 0;
152}
153
154static void mx21ads_fb_exit(struct platform_device *pdev)
155{
156 u16 tmp;
157
158 tmp = __raw_readw(MX21ADS_IO_REG);
159 tmp &= ~MX21ADS_IO_LCDON;
160 __raw_writew(tmp, MX21ADS_IO_REG);
161}
162
163/*
164 * Connected is a portrait Sharp-QVGA display
165 * of type: LQ035Q7DB02
166 */
167static struct imx_fb_platform_data mx21ads_fb_data = {
168 .pixclock = 188679, /* in ps */
169 .xres = 240,
170 .yres = 320,
171
172 .bpp = 16,
173 .hsync_len = 2,
174 .left_margin = 6,
175 .right_margin = 16,
176
177 .vsync_len = 1,
178 .upper_margin = 8,
179 .lower_margin = 10,
180 .fixed_screen_cpu = 0,
181
182 .pcr = 0xFB108BC7,
183 .pwmr = 0x00A901ff,
184 .lscr1 = 0x00120300,
185 .dmacr = 0x00020008,
186
187 .init = mx21ads_fb_init,
188 .exit = mx21ads_fb_exit,
189};
190
191static int mx21ads_sdhc_get_ro(struct device *dev)
192{
193 return (__raw_readw(MX21ADS_IO_REG) & MX21ADS_IO_SD_WP) ? 1 : 0;
194}
195
196static int mx21ads_sdhc_init(struct device *dev, irq_handler_t detect_irq,
197 void *data)
198{
199 int ret;
200
201 ret = request_irq(IRQ_GPIOD(25), detect_irq,
202 IRQF_TRIGGER_FALLING, "mmc-detect", data);
203 if (ret)
204 goto out;
205 return 0;
206out:
207 return ret;
208}
209
210static void mx21ads_sdhc_exit(struct device *dev, void *data)
211{
212 free_irq(IRQ_GPIOD(25), data);
213}
214
215static struct imxmmc_platform_data mx21ads_sdhc_pdata = {
216 .ocr_avail = MMC_VDD_29_30 | MMC_VDD_30_31, /* 3.0V */
217 .get_ro = mx21ads_sdhc_get_ro,
218 .init = mx21ads_sdhc_init,
219 .exit = mx21ads_sdhc_exit,
220};
221
222static struct mxc_nand_platform_data mx21ads_nand_board_info = {
223 .width = 1,
224 .hw_ecc = 1,
225};
226
227static struct map_desc mx21ads_io_desc[] __initdata = {
228 /*
229 * Memory-mapped I/O on MX21ADS Base board:
230 * - CS8900A Ethernet controller
231 * - ST16C2552CJ UART
232 * - CPU and Base board version
233 * - Base board I/O register
234 */
235 {
236 .virtual = MX21ADS_MMIO_BASE_ADDR,
237 .pfn = __phys_to_pfn(CS1_BASE_ADDR),
238 .length = MX21ADS_MMIO_SIZE,
239 .type = MT_DEVICE,
240 },
241};
242
243static void __init mx21ads_map_io(void)
244{
245 mx21_map_io();
246 iotable_init(mx21ads_io_desc, ARRAY_SIZE(mx21ads_io_desc));
247}
248
249static struct platform_device *platform_devices[] __initdata = {
250 &mx21ads_nor_mtd_device,
251};
252
253static void __init mx21ads_board_init(void)
254{
255 mxc_gpio_setup_multiple_pins(mx21ads_pins, ARRAY_SIZE(mx21ads_pins),
256 "mx21ads");
257
258 mxc_register_device(&mxc_uart_device0, &uart_pdata);
259 mxc_register_device(&mxc_uart_device2, &uart_norts_pdata);
260 mxc_register_device(&mxc_uart_device3, &uart_pdata);
261 mxc_register_device(&mxc_fb_device, &mx21ads_fb_data);
262 mxc_register_device(&mxc_sdhc_device0, &mx21ads_sdhc_pdata);
263 mxc_register_device(&mxc_nand_device, &mx21ads_nand_board_info);
264
265 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
266}
267
268static void __init mx21ads_timer_init(void)
269{
270 mx21_clocks_init(32768, 26000000);
271}
272
273static struct sys_timer mx21ads_timer = {
274 .init = mx21ads_timer_init,
275};
276
277MACHINE_START(MX21ADS, "Freescale i.MX21ADS")
278 /* maintainer: Freescale Semiconductor, Inc. */
279 .phys_io = AIPI_BASE_ADDR,
280 .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
281 .boot_params = PHYS_OFFSET + 0x100,
282 .map_io = mx21ads_map_io,
283 .init_irq = mxc_init_irq,
284 .init_machine = mx21ads_board_init,
285 .timer = &mx21ads_timer,
286MACHINE_END
diff --git a/arch/arm/plat-mxc/include/mach/board-mx21ads.h b/arch/arm/plat-mxc/include/mach/board-mx21ads.h
new file mode 100644
index 000000000000..06701df74c42
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/board-mx21ads.h
@@ -0,0 +1,58 @@
1/*
2 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
3 */
4
5/*
6 * The code contained herein is licensed under the GNU General Public
7 * License. You may obtain a copy of the GNU General Public License
8 * Version 2 or later at the following locations:
9 *
10 * http://www.opensource.org/licenses/gpl-license.html
11 * http://www.gnu.org/copyleft/gpl.html
12 */
13
14#ifndef __ASM_ARCH_MXC_BOARD_MX21ADS_H__
15#define __ASM_ARCH_MXC_BOARD_MX21ADS_H__
16
17/*
18 * MXC UART EVB board level configurations
19 */
20#define MXC_LL_UART_PADDR UART1_BASE_ADDR
21#define MXC_LL_UART_VADDR AIPI_IO_ADDRESS(UART1_BASE_ADDR)
22
23/*
24 * Memory-mapped I/O on MX21ADS base board
25 */
26#define MX21ADS_MMIO_BASE_ADDR 0xF5000000
27#define MX21ADS_MMIO_SIZE SZ_16M
28
29#define MX21ADS_REG_ADDR(offset) (void __force __iomem *) \
30 (MX21ADS_MMIO_BASE_ADDR + (offset))
31
32#define MX21ADS_CS8900A_IRQ IRQ_GPIOE(11)
33#define MX21ADS_CS8900A_IOBASE_REG MX21ADS_REG_ADDR(0x000000)
34#define MX21ADS_ST16C255_IOBASE_REG MX21ADS_REG_ADDR(0x200000)
35#define MX21ADS_VERSION_REG MX21ADS_REG_ADDR(0x400000)
36#define MX21ADS_IO_REG MX21ADS_REG_ADDR(0x800000)
37
38/* MX21ADS_IO_REG bit definitions */
39#define MX21ADS_IO_SD_WP 0x0001 /* read */
40#define MX21ADS_IO_TP6 0x0001 /* write */
41#define MX21ADS_IO_SW_SEL 0x0002 /* read */
42#define MX21ADS_IO_TP7 0x0002 /* write */
43#define MX21ADS_IO_RESET_E_UART 0x0004
44#define MX21ADS_IO_RESET_BASE 0x0008
45#define MX21ADS_IO_CSI_CTL2 0x0010
46#define MX21ADS_IO_CSI_CTL1 0x0020
47#define MX21ADS_IO_CSI_CTL0 0x0040
48#define MX21ADS_IO_UART1_EN 0x0080
49#define MX21ADS_IO_UART4_EN 0x0100
50#define MX21ADS_IO_LCDON 0x0200
51#define MX21ADS_IO_IRDA_EN 0x0400
52#define MX21ADS_IO_IRDA_FIR_SEL 0x0800
53#define MX21ADS_IO_IRDA_MD0_B 0x1000
54#define MX21ADS_IO_IRDA_MD1 0x2000
55#define MX21ADS_IO_LED4_ON 0x4000
56#define MX21ADS_IO_LED3_ON 0x8000
57
58#endif /* __ASM_ARCH_MXC_BOARD_MX21ADS_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index 4e7c8d2ad029..cc7e89d42874 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -25,6 +25,9 @@
25#ifdef CONFIG_MACH_MX27ADS 25#ifdef CONFIG_MACH_MX27ADS
26#include <mach/board-mx27ads.h> 26#include <mach/board-mx27ads.h>
27#endif 27#endif
28#ifdef CONFIG_MACH_MX21ADS
29#include <mach/board-mx21ads.h>
30#endif
28#ifdef CONFIG_MACH_PCM038 31#ifdef CONFIG_MACH_PCM038
29#include <mach/board-pcm038.h> 32#include <mach/board-pcm038.h>
30#endif 33#endif