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Victor Rodriguez6c18c912010-09-23 11:28:40 -05001/*
2 * Hawkboard.org based on TI's OMAP-L138 Platform
3 *
4 * Initial code: Syed Mohammed Khasim
5 *
6 * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com
7 *
8 * This file is licensed under the terms of the GNU General Public License
9 * version 2. This program is licensed "as is" without any warranty of
10 * any kind, whether express or implied.
11 */
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/console.h>
15#include <linux/gpio.h>
16
17#include <asm/mach-types.h>
18#include <asm/mach/arch.h>
19
20#include <mach/cp_intc.h>
21#include <mach/da8xx.h>
Victor Rodriguezbb59b7f2010-12-27 16:43:08 -060022#include <mach/mux.h>
23
24#define HAWKBOARD_PHY_ID "0:07"
25
26static short omapl138_hawk_mii_pins[] __initdata = {
27 DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
28 DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
29 DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
30 DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
31 DA850_MDIO_D,
32 -1
33};
34
35static __init void omapl138_hawk_config_emac(void)
36{
37 void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
38 int ret;
39 u32 val;
40 struct davinci_soc_info *soc_info = &davinci_soc_info;
41
42 val = __raw_readl(cfgchip3);
43 val &= ~BIT(8);
44 ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins);
45 if (ret) {
46 pr_warning("%s: cpgmac/mii mux setup failed: %d\n",
47 __func__, ret);
48 return;
49 }
50
51 /* configure the CFGCHIP3 register for MII */
52 __raw_writel(val, cfgchip3);
53 pr_info("EMAC: MII PHY configured\n");
54
55 soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID;
56
57 ret = da8xx_register_emac();
58 if (ret)
59 pr_warning("%s: emac registration failed: %d\n",
60 __func__, ret);
61}
62
Victor Rodriguez6c18c912010-09-23 11:28:40 -050063
64static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
65 .enabled_uarts = 0x7,
66};
67
68static __init void omapl138_hawk_init(void)
69{
70 int ret;
71
72 davinci_serial_init(&omapl138_hawk_uart_config);
73
Victor Rodriguezbb59b7f2010-12-27 16:43:08 -060074 omapl138_hawk_config_emac();
75
Victor Rodriguez6c18c912010-09-23 11:28:40 -050076 ret = da8xx_register_watchdog();
77 if (ret)
78 pr_warning("omapl138_hawk_init: "
79 "watchdog registration failed: %d\n",
80 ret);
81}
82
83#ifdef CONFIG_SERIAL_8250_CONSOLE
84static int __init omapl138_hawk_console_init(void)
85{
86 if (!machine_is_omapl138_hawkboard())
87 return 0;
88
89 return add_preferred_console("ttyS", 2, "115200");
90}
91console_initcall(omapl138_hawk_console_init);
92#endif
93
94static void __init omapl138_hawk_map_io(void)
95{
96 da850_init();
97}
98
99MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
Victor Rodriguez6c18c912010-09-23 11:28:40 -0500100 .boot_params = (DA8XX_DDR_BASE + 0x100),
101 .map_io = omapl138_hawk_map_io,
102 .init_irq = cp_intc_init,
103 .timer = &davinci_timer,
104 .init_machine = omapl138_hawk_init,
105MACHINE_END