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-rw-r--r--arch/arm/mach-omap2/Kconfig4
-rw-r--r--arch/arm/mach-omap2/Makefile4
-rw-r--r--arch/arm/mach-omap2/board-zoom-debugboard.c160
-rw-r--r--arch/arm/mach-omap2/board-zoom2.c110
4 files changed, 277 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 64ab386a65c7..f6cf903f94a3 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -67,3 +67,7 @@ config MACH_OMAP_3430SDP
67config MACH_NOKIA_RX51 67config MACH_NOKIA_RX51
68 bool "Nokia RX-51 board" 68 bool "Nokia RX-51 board"
69 depends on ARCH_OMAP3 && ARCH_OMAP34XX 69 depends on ARCH_OMAP3 && ARCH_OMAP34XX
70
71config MACH_OMAP_ZOOM2
72 bool "OMAP3 Zoom2 board"
73 depends on ARCH_OMAP3 && ARCH_OMAP34XX
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index e4f6f61c40e7..4cdb31801d2f 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -53,7 +53,9 @@ obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
53obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \ 53obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
54 board-rx51-peripherals.o \ 54 board-rx51-peripherals.o \
55 mmc-twl4030.o 55 mmc-twl4030.o
56 56obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \
57 mmc-twl4030.o \
58 board-zoom-debugboard.o
57# Platform specific device init code 59# Platform specific device init code
58ifeq ($(CONFIG_USB_MUSB_SOC),y) 60ifeq ($(CONFIG_USB_MUSB_SOC),y)
59obj-y += usb-musb.o 61obj-y += usb-musb.o
diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c
new file mode 100644
index 000000000000..bac5c4321ff7
--- /dev/null
+++ b/arch/arm/mach-omap2/board-zoom-debugboard.c
@@ -0,0 +1,160 @@
1/*
2 * Copyright (C) 2009 Texas Instruments Inc.
3 * Mikkel Christensen <mlc@ti.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */
9
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/gpio.h>
13#include <linux/serial_8250.h>
14#include <linux/smsc911x.h>
15
16#include <mach/gpmc.h>
17
18#define ZOOM2_SMSC911X_CS 7
19#define ZOOM2_SMSC911X_GPIO 158
20#define ZOOM2_QUADUART_CS 3
21#define ZOOM2_QUADUART_GPIO 102
22#define QUART_CLK 1843200
23#define DEBUG_BASE 0x08000000
24#define ZOOM2_ETHR_START DEBUG_BASE
25
26static struct resource zoom2_smsc911x_resources[] = {
27 [0] = {
28 .start = ZOOM2_ETHR_START,
29 .end = ZOOM2_ETHR_START + SZ_4K,
30 .flags = IORESOURCE_MEM,
31 },
32 [1] = {
33 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
34 },
35};
36
37static struct smsc911x_platform_config zoom2_smsc911x_config = {
38 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
39 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
40 .flags = SMSC911X_USE_32BIT,
41 .phy_interface = PHY_INTERFACE_MODE_MII,
42};
43
44static struct platform_device zoom2_smsc911x_device = {
45 .name = "smsc911x",
46 .id = -1,
47 .num_resources = ARRAY_SIZE(zoom2_smsc911x_resources),
48 .resource = zoom2_smsc911x_resources,
49 .dev = {
50 .platform_data = &zoom2_smsc911x_config,
51 },
52};
53
54static inline void __init zoom2_init_smsc911x(void)
55{
56 int eth_cs;
57 unsigned long cs_mem_base;
58 int eth_gpio = 0;
59
60 eth_cs = ZOOM2_SMSC911X_CS;
61
62 if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
63 printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n");
64 return;
65 }
66
67 zoom2_smsc911x_resources[0].start = cs_mem_base + 0x0;
68 zoom2_smsc911x_resources[0].end = cs_mem_base + 0xff;
69
70 eth_gpio = ZOOM2_SMSC911X_GPIO;
71
72 zoom2_smsc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
73
74 if (gpio_request(eth_gpio, "smsc911x irq") < 0) {
75 printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
76 eth_gpio);
77 return;
78 }
79 gpio_direction_input(eth_gpio);
80}
81
82static struct plat_serial8250_port serial_platform_data[] = {
83 {
84 .mapbase = 0x10000000,
85 .irq = OMAP_GPIO_IRQ(102),
86 .flags = UPF_BOOT_AUTOCONF|UPF_IOREMAP|UPF_SHARE_IRQ,
87 .iotype = UPIO_MEM,
88 .regshift = 1,
89 .uartclk = QUART_CLK,
90 }, {
91 .flags = 0
92 }
93};
94
95static struct platform_device zoom2_debugboard_serial_device = {
96 .name = "serial8250",
97 .id = PLAT8250_DEV_PLATFORM1,
98 .dev = {
99 .platform_data = serial_platform_data,
100 },
101};
102
103static inline void __init zoom2_init_quaduart(void)
104{
105 int quart_cs;
106 unsigned long cs_mem_base;
107 int quart_gpio = 0;
108
109 quart_cs = ZOOM2_QUADUART_CS;
110
111 if (gpmc_cs_request(quart_cs, SZ_1M, &cs_mem_base) < 0) {
112 printk(KERN_ERR "Failed to request GPMC mem"
113 "for Quad UART(TL16CP754C)\n");
114 return;
115 }
116
117 quart_gpio = ZOOM2_QUADUART_GPIO;
118
119 if (gpio_request(quart_gpio, "TL16CP754C GPIO") < 0) {
120 printk(KERN_ERR "Failed to request GPIO%d for TL16CP754C\n",
121 quart_gpio);
122 return;
123 }
124 gpio_direction_input(quart_gpio);
125}
126
127static inline int omap_zoom2_debugboard_detect(void)
128{
129 int debug_board_detect = 0;
130
131 debug_board_detect = ZOOM2_SMSC911X_GPIO;
132
133 if (gpio_request(debug_board_detect, "Zoom2 debug board detect") < 0) {
134 printk(KERN_ERR "Failed to request GPIO%d for Zoom2 debug"
135 "board detect\n", debug_board_detect);
136 return 0;
137 }
138 gpio_direction_input(debug_board_detect);
139
140 if (!gpio_get_value(debug_board_detect)) {
141 gpio_free(debug_board_detect);
142 return 0;
143 }
144 return 1;
145}
146
147static struct platform_device *zoom2_devices[] __initdata = {
148 &zoom2_smsc911x_device,
149 &zoom2_debugboard_serial_device,
150};
151
152int __init omap_zoom2_debugboard_init(void)
153{
154 if (!omap_zoom2_debugboard_detect())
155 return 0;
156
157 zoom2_init_smsc911x();
158 zoom2_init_quaduart();
159 return platform_add_devices(zoom2_devices, ARRAY_SIZE(zoom2_devices));
160}
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
new file mode 100644
index 000000000000..bcc0f7632dea
--- /dev/null
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -0,0 +1,110 @@
1/*
2 * Copyright (C) 2009 Texas Instruments Inc.
3 * Mikkel Christensen <mlc@ti.com>
4 *
5 * Modified from mach-omap2/board-ldp.c
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/platform_device.h>
15#include <linux/gpio.h>
16#include <linux/i2c/twl4030.h>
17
18#include <asm/mach-types.h>
19#include <asm/mach/arch.h>
20
21#include <mach/common.h>
22#include <mach/usb.h>
23
24#include "mmc-twl4030.h"
25
26static void __init omap_zoom2_init_irq(void)
27{
28 omap2_init_common_hw(NULL);
29 omap_init_irq();
30 omap_gpio_init();
31}
32
33static struct omap_uart_config zoom2_uart_config __initdata = {
34 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
35};
36
37static struct omap_board_config_kernel zoom2_config[] __initdata = {
38 { OMAP_TAG_UART, &zoom2_uart_config },
39};
40
41static struct twl4030_gpio_platform_data zoom2_gpio_data = {
42 .gpio_base = OMAP_MAX_GPIO_LINES,
43 .irq_base = TWL4030_GPIO_IRQ_BASE,
44 .irq_end = TWL4030_GPIO_IRQ_END,
45};
46
47static struct twl4030_platform_data zoom2_twldata = {
48 .irq_base = TWL4030_IRQ_BASE,
49 .irq_end = TWL4030_IRQ_END,
50
51 /* platform_data for children goes here */
52 .gpio = &zoom2_gpio_data,
53};
54
55static struct i2c_board_info __initdata zoom2_i2c_boardinfo[] = {
56 {
57 I2C_BOARD_INFO("twl4030", 0x48),
58 .flags = I2C_CLIENT_WAKE,
59 .irq = INT_34XX_SYS_NIRQ,
60 .platform_data = &zoom2_twldata,
61 },
62};
63
64static int __init omap_i2c_init(void)
65{
66 omap_register_i2c_bus(1, 2600, zoom2_i2c_boardinfo,
67 ARRAY_SIZE(zoom2_i2c_boardinfo));
68 omap_register_i2c_bus(2, 400, NULL, 0);
69 omap_register_i2c_bus(3, 400, NULL, 0);
70 return 0;
71}
72
73static struct twl4030_hsmmc_info mmc[] __initdata = {
74 {
75 .mmc = 1,
76 .wires = 4,
77 .gpio_cd = -EINVAL,
78 .gpio_wp = -EINVAL,
79 },
80 {} /* Terminator */
81};
82
83extern int __init omap_zoom2_debugboard_init(void);
84
85static void __init omap_zoom2_init(void)
86{
87 omap_i2c_init();
88 omap_board_config = zoom2_config;
89 omap_board_config_size = ARRAY_SIZE(zoom2_config);
90 omap_serial_init();
91 omap_zoom2_debugboard_init();
92 twl4030_mmc_init(mmc);
93 usb_musb_init();
94}
95
96static void __init omap_zoom2_map_io(void)
97{
98 omap2_set_globals_343x();
99 omap2_map_common_io();
100}
101
102MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
103 .phys_io = 0x48000000,
104 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
105 .boot_params = 0x80000100,
106 .map_io = omap_zoom2_map_io,
107 .init_irq = omap_zoom2_init_irq,
108 .init_machine = omap_zoom2_init,
109 .timer = &omap_timer,
110MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-07 21:41:34 -0500