diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31lite.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31lite.c | 74 |
1 files changed, 73 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c index 894d98cd9941..86fe70fa3e13 100644 --- a/arch/arm/mach-mx3/mx31lite.c +++ b/arch/arm/mach-mx3/mx31lite.c | |||
@@ -22,6 +22,9 @@ | |||
22 | #include <linux/init.h> | 22 | #include <linux/init.h> |
23 | #include <linux/kernel.h> | 23 | #include <linux/kernel.h> |
24 | #include <linux/memory.h> | 24 | #include <linux/memory.h> |
25 | #include <linux/platform_device.h> | ||
26 | #include <linux/gpio.h> | ||
27 | #include <linux/smsc911x.h> | ||
25 | 28 | ||
26 | #include <mach/hardware.h> | 29 | #include <mach/hardware.h> |
27 | #include <asm/mach-types.h> | 30 | #include <asm/mach-types.h> |
@@ -32,11 +35,64 @@ | |||
32 | #include <asm/page.h> | 35 | #include <asm/page.h> |
33 | #include <asm/setup.h> | 36 | #include <asm/setup.h> |
34 | #include <mach/board-mx31lite.h> | 37 | #include <mach/board-mx31lite.h> |
38 | #include <mach/imx-uart.h> | ||
39 | #include <mach/iomux-mx3.h> | ||
40 | #include <mach/irqs.h> | ||
41 | #include <mach/mxc_nand.h> | ||
42 | #include "devices.h" | ||
35 | 43 | ||
36 | /* | 44 | /* |
37 | * This file contains the board-specific initialization routines. | 45 | * This file contains the board-specific initialization routines. |
38 | */ | 46 | */ |
39 | 47 | ||
48 | static unsigned int mx31lite_pins[] = { | ||
49 | /* UART1 */ | ||
50 | MX31_PIN_CTS1__CTS1, | ||
51 | MX31_PIN_RTS1__RTS1, | ||
52 | MX31_PIN_TXD1__TXD1, | ||
53 | MX31_PIN_RXD1__RXD1, | ||
54 | /* LAN9117 IRQ pin */ | ||
55 | IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), | ||
56 | }; | ||
57 | |||
58 | static struct imxuart_platform_data uart_pdata = { | ||
59 | .flags = IMXUART_HAVE_RTSCTS, | ||
60 | }; | ||
61 | |||
62 | static struct mxc_nand_platform_data mx31lite_nand_board_info = { | ||
63 | .width = 1, | ||
64 | .hw_ecc = 1, | ||
65 | }; | ||
66 | |||
67 | static struct smsc911x_platform_config smsc911x_config = { | ||
68 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | ||
69 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | ||
70 | .flags = SMSC911X_USE_16BIT, | ||
71 | }; | ||
72 | |||
73 | static struct resource smsc911x_resources[] = { | ||
74 | [0] = { | ||
75 | .start = CS4_BASE_ADDR, | ||
76 | .end = CS4_BASE_ADDR + 0x100, | ||
77 | .flags = IORESOURCE_MEM, | ||
78 | }, | ||
79 | [1] = { | ||
80 | .start = IOMUX_TO_IRQ(MX31_PIN_SFS6), | ||
81 | .end = IOMUX_TO_IRQ(MX31_PIN_SFS6), | ||
82 | .flags = IORESOURCE_IRQ, | ||
83 | }, | ||
84 | }; | ||
85 | |||
86 | static struct platform_device smsc911x_device = { | ||
87 | .name = "smsc911x", | ||
88 | .id = -1, | ||
89 | .num_resources = ARRAY_SIZE(smsc911x_resources), | ||
90 | .resource = smsc911x_resources, | ||
91 | .dev = { | ||
92 | .platform_data = &smsc911x_config, | ||
93 | }, | ||
94 | }; | ||
95 | |||
40 | /* | 96 | /* |
41 | * This structure defines the MX31 memory map. | 97 | * This structure defines the MX31 memory map. |
42 | */ | 98 | */ |
@@ -59,7 +115,7 @@ static struct map_desc mx31lite_io_desc[] __initdata = { | |||
59 | */ | 115 | */ |
60 | void __init mx31lite_map_io(void) | 116 | void __init mx31lite_map_io(void) |
61 | { | 117 | { |
62 | mxc_map_io(); | 118 | mx31_map_io(); |
63 | iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc)); | 119 | iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc)); |
64 | } | 120 | } |
65 | 121 | ||
@@ -68,6 +124,22 @@ void __init mx31lite_map_io(void) | |||
68 | */ | 124 | */ |
69 | static void __init mxc_board_init(void) | 125 | static void __init mxc_board_init(void) |
70 | { | 126 | { |
127 | int ret; | ||
128 | |||
129 | mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins), | ||
130 | "mx31lite"); | ||
131 | |||
132 | mxc_register_device(&mxc_uart_device0, &uart_pdata); | ||
133 | mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info); | ||
134 | |||
135 | /* SMSC9117 IRQ pin */ | ||
136 | ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq"); | ||
137 | if (ret) | ||
138 | pr_warning("could not get LAN irq gpio\n"); | ||
139 | else { | ||
140 | gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6)); | ||
141 | platform_device_register(&smsc911x_device); | ||
142 | } | ||
71 | } | 143 | } |
72 | 144 | ||
73 | static void __init mx31lite_timer_init(void) | 145 | static void __init mx31lite_timer_init(void) |