diff options
Diffstat (limited to 'arch/arm/mach-davinci/board-da830-evm.c')
-rw-r--r-- | arch/arm/mach-davinci/board-da830-evm.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c new file mode 100644 index 000000000000..0409eb67cfe1 --- /dev/null +++ b/arch/arm/mach-davinci/board-da830-evm.c | |||
@@ -0,0 +1,127 @@ | |||
1 | /* | ||
2 | * TI DA830/OMAP L137 EVM board | ||
3 | * | ||
4 | * Author: Mark A. Greer <mgreer@mvista.com> | ||
5 | * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c | ||
6 | * | ||
7 | * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under | ||
8 | * the terms of the GNU General Public License version 2. This program | ||
9 | * is licensed "as is" without any warranty of any kind, whether express | ||
10 | * or implied. | ||
11 | */ | ||
12 | #include <linux/kernel.h> | ||
13 | #include <linux/module.h> | ||
14 | #include <linux/init.h> | ||
15 | #include <linux/console.h> | ||
16 | #include <linux/i2c.h> | ||
17 | #include <linux/i2c/at24.h> | ||
18 | |||
19 | #include <asm/mach-types.h> | ||
20 | #include <asm/mach/arch.h> | ||
21 | |||
22 | #include <mach/common.h> | ||
23 | #include <mach/irqs.h> | ||
24 | #include <mach/cp_intc.h> | ||
25 | #include <mach/da8xx.h> | ||
26 | |||
27 | #define DA830_EVM_PHY_MASK 0x0 | ||
28 | #define DA830_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */ | ||
29 | |||
30 | static struct at24_platform_data da830_evm_i2c_eeprom_info = { | ||
31 | .byte_len = SZ_256K / 8, | ||
32 | .page_size = 64, | ||
33 | .flags = AT24_FLAG_ADDR16, | ||
34 | .setup = davinci_get_mac_addr, | ||
35 | .context = (void *)0x7f00, | ||
36 | }; | ||
37 | |||
38 | static struct i2c_board_info __initdata da830_evm_i2c_devices[] = { | ||
39 | { | ||
40 | I2C_BOARD_INFO("24c256", 0x50), | ||
41 | .platform_data = &da830_evm_i2c_eeprom_info, | ||
42 | }, | ||
43 | }; | ||
44 | |||
45 | static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = { | ||
46 | .bus_freq = 100, /* kHz */ | ||
47 | .bus_delay = 0, /* usec */ | ||
48 | }; | ||
49 | |||
50 | static struct davinci_uart_config da830_evm_uart_config __initdata = { | ||
51 | .enabled_uarts = 0x7, | ||
52 | }; | ||
53 | |||
54 | static __init void da830_evm_init(void) | ||
55 | { | ||
56 | struct davinci_soc_info *soc_info = &davinci_soc_info; | ||
57 | int ret; | ||
58 | |||
59 | ret = da8xx_register_edma(); | ||
60 | if (ret) | ||
61 | pr_warning("da830_evm_init: edma registration failed: %d\n", | ||
62 | ret); | ||
63 | |||
64 | ret = da830_pinmux_setup(da830_i2c0_pins); | ||
65 | if (ret) | ||
66 | pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n", | ||
67 | ret); | ||
68 | |||
69 | ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata); | ||
70 | if (ret) | ||
71 | pr_warning("da830_evm_init: i2c0 registration failed: %d\n", | ||
72 | ret); | ||
73 | |||
74 | soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK; | ||
75 | soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY; | ||
76 | soc_info->emac_pdata->rmii_en = 1; | ||
77 | |||
78 | ret = da830_pinmux_setup(da830_cpgmac_pins); | ||
79 | if (ret) | ||
80 | pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n", | ||
81 | ret); | ||
82 | |||
83 | ret = da8xx_register_emac(); | ||
84 | if (ret) | ||
85 | pr_warning("da830_evm_init: emac registration failed: %d\n", | ||
86 | ret); | ||
87 | |||
88 | ret = da8xx_register_watchdog(); | ||
89 | if (ret) | ||
90 | pr_warning("da830_evm_init: watchdog registration failed: %d\n", | ||
91 | ret); | ||
92 | |||
93 | davinci_serial_init(&da830_evm_uart_config); | ||
94 | i2c_register_board_info(1, da830_evm_i2c_devices, | ||
95 | ARRAY_SIZE(da830_evm_i2c_devices)); | ||
96 | } | ||
97 | |||
98 | #ifdef CONFIG_SERIAL_8250_CONSOLE | ||
99 | static int __init da830_evm_console_init(void) | ||
100 | { | ||
101 | return add_preferred_console("ttyS", 2, "115200"); | ||
102 | } | ||
103 | console_initcall(da830_evm_console_init); | ||
104 | #endif | ||
105 | |||
106 | static __init void da830_evm_irq_init(void) | ||
107 | { | ||
108 | struct davinci_soc_info *soc_info = &davinci_soc_info; | ||
109 | |||
110 | cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ, | ||
111 | soc_info->intc_irq_prios); | ||
112 | } | ||
113 | |||
114 | static void __init da830_evm_map_io(void) | ||
115 | { | ||
116 | da830_init(); | ||
117 | } | ||
118 | |||
119 | MACHINE_START(DAVINCI_DA8XX_EVM, "DaVinci DA830/OMAP L137 EVM") | ||
120 | .phys_io = IO_PHYS, | ||
121 | .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, | ||
122 | .boot_params = (DA8XX_DDR_BASE + 0x100), | ||
123 | .map_io = da830_evm_map_io, | ||
124 | .init_irq = da830_evm_irq_init, | ||
125 | .timer = &davinci_timer, | ||
126 | .init_machine = da830_evm_init, | ||
127 | MACHINE_END | ||