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gerrit-public.fairphone.software / kernel / msm / 8593790d604c29a717d5914159ce78c7bb9899fb / . / arch / arm / mach-davinci / board-da830-evm.c
blob: 0409eb67cfe1b49410f22904496230b7da5a9c77 [file] [log] [blame]
Mark A. Greer85937902009-06-03 18:41:53 -0700[diff] [blame^]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
30static 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
38static 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
45static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
46 .bus_freq = 100, /* kHz */
47 .bus_delay = 0, /* usec */
48};
49
50static struct davinci_uart_config da830_evm_uart_config __initdata = {
51 .enabled_uarts = 0x7,
52};
53
54static __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
99static int __init da830_evm_console_init(void)
100{
101 return add_preferred_console("ttyS", 2, "115200");
102}
103console_initcall(da830_evm_console_init);
104#endif
105
106static __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
114static void __init da830_evm_map_io(void)
115{
116 da830_init();
117}
118
119MACHINE_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,
127MACHINE_END