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0fbc5592 SR |
1 | /* |
2 | * TI DA850/OMAP-L138 EVM board | |
3 | * | |
4 | * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ | |
5 | * | |
6 | * Derived from: arch/arm/mach-davinci/board-da830-evm.c | |
7 | * Original Copyrights follow: | |
8 | * | |
9 | * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under | |
10 | * the terms of the GNU General Public License version 2. This program | |
11 | * is licensed "as is" without any warranty of any kind, whether express | |
12 | * or implied. | |
13 | */ | |
14 | #include <linux/kernel.h> | |
15 | #include <linux/module.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/console.h> | |
18 | #include <linux/i2c.h> | |
19 | #include <linux/i2c/at24.h> | |
20 | ||
21 | #include <asm/mach-types.h> | |
22 | #include <asm/mach/arch.h> | |
23 | ||
24 | #include <mach/common.h> | |
25 | #include <mach/irqs.h> | |
26 | #include <mach/cp_intc.h> | |
27 | #include <mach/da8xx.h> | |
28 | ||
29 | static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = { | |
30 | .bus_freq = 100, /* kHz */ | |
31 | .bus_delay = 0, /* usec */ | |
32 | }; | |
33 | ||
34 | static struct davinci_uart_config da850_evm_uart_config __initdata = { | |
35 | .enabled_uarts = 0x7, | |
36 | }; | |
37 | ||
38 | static __init void da850_evm_init(void) | |
39 | { | |
40 | int ret; | |
41 | ||
42 | ret = da8xx_register_edma(); | |
43 | if (ret) | |
44 | pr_warning("da850_evm_init: edma registration failed: %d\n", | |
45 | ret); | |
46 | ||
47 | ret = da8xx_pinmux_setup(da850_i2c0_pins); | |
48 | if (ret) | |
49 | pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n", | |
50 | ret); | |
51 | ||
52 | ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata); | |
53 | if (ret) | |
54 | pr_warning("da850_evm_init: i2c0 registration failed: %d\n", | |
55 | ret); | |
56 | ||
57 | ret = da8xx_register_watchdog(); | |
58 | if (ret) | |
59 | pr_warning("da830_evm_init: watchdog registration failed: %d\n", | |
60 | ret); | |
61 | ||
62 | davinci_serial_init(&da850_evm_uart_config); | |
63 | ||
64 | /* | |
65 | * shut down uart 0 and 1; they are not used on the board and | |
66 | * accessing them causes endless "too much work in irq53" messages | |
67 | * with arago fs | |
68 | */ | |
69 | __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30); | |
70 | __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30); | |
71 | } | |
72 | ||
73 | #ifdef CONFIG_SERIAL_8250_CONSOLE | |
74 | static int __init da850_evm_console_init(void) | |
75 | { | |
76 | return add_preferred_console("ttyS", 2, "115200"); | |
77 | } | |
78 | console_initcall(da850_evm_console_init); | |
79 | #endif | |
80 | ||
81 | static __init void da850_evm_irq_init(void) | |
82 | { | |
83 | struct davinci_soc_info *soc_info = &davinci_soc_info; | |
84 | ||
85 | cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA850_N_CP_INTC_IRQ, | |
86 | soc_info->intc_irq_prios); | |
87 | } | |
88 | ||
89 | static void __init da850_evm_map_io(void) | |
90 | { | |
91 | da850_init(); | |
92 | } | |
93 | ||
94 | MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM") | |
95 | .phys_io = IO_PHYS, | |
96 | .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, | |
97 | .boot_params = (DA8XX_DDR_BASE + 0x100), | |
98 | .map_io = da850_evm_map_io, | |
99 | .init_irq = da850_evm_irq_init, | |
100 | .timer = &davinci_timer, | |
101 | .init_machine = da850_evm_init, | |
102 | MACHINE_END |