2 * (C) Copyright 2004-2008
3 * Texas Instruments, <www.ti.com>
6 * Sunil Kumar <sunilsaini05@gmail.com>
7 * Shashi Ranjan <shashiranjanmca05@gmail.com>
10 * Frederik Kriewitz <frederik@kriewitz.eu>
12 * Derived from Beagle Board and 3430 SDP code by
13 * Richard Woodruff <r-woodruff2@ti.com>
14 * Syed Mohammed Khasim <khasim@ti.com>
17 * SPDX-License-Identifier: GPL-2.0+
22 #include <asm/arch/mmc_host_def.h>
23 #include <asm/arch/mux.h>
24 #include <asm/arch/sys_proto.h>
25 #include <asm/arch/mem.h>
26 #include <asm/mach-types.h>
27 #include "devkit8000.h"
29 #ifdef CONFIG_DRIVER_DM9000
34 DECLARE_GLOBAL_DATA_PTR
;
36 static u32 gpmc_net_config
[GPMC_MAX_REG
] = {
48 * Description: Early hardware init.
52 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
53 /* board id for Linux */
54 gd
->bd
->bi_arch_number
= MACH_TYPE_DEVKIT8000
;
56 gd
->bd
->bi_boot_params
= (OMAP34XX_SDRC_CS0
+ 0x100);
61 /* Configure GPMC registers for DM9000 */
62 static void gpmc_dm9000_config(void)
64 enable_gpmc_cs_config(gpmc_net_config
, &gpmc_cfg
->cs
[6],
65 CONFIG_DM9000_BASE
, GPMC_SIZE_16M
);
69 * Routine: misc_init_r
70 * Description: Configure board specific parts
74 struct ctrl_id
*id_base
= (struct ctrl_id
*)OMAP34XX_ID_L4_IO_BASE
;
75 #ifdef CONFIG_DRIVER_DM9000
81 #ifdef CONFIG_TWL4030_LED
82 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON
| TWL4030_LED_LEDEN_LEDBON
);
85 #ifdef CONFIG_DRIVER_DM9000
86 /* Configure GPMC registers for DM9000 */
87 enable_gpmc_cs_config(gpmc_net_config
, &gpmc_cfg
->cs
[6],
88 CONFIG_DM9000_BASE
, GPMC_SIZE_16M
);
90 /* Use OMAP DIE_ID as MAC address */
91 if (!eth_getenv_enetaddr("ethaddr", enetaddr
)) {
92 printf("ethaddr not set, using Die ID\n");
93 die_id_0
= readl(&id_base
->die_id_0
);
94 enetaddr
[0] = 0x02; /* locally administered */
95 enetaddr
[1] = readl(&id_base
->die_id_1
) & 0xff;
96 enetaddr
[2] = (die_id_0
& 0xff000000) >> 24;
97 enetaddr
[3] = (die_id_0
& 0x00ff0000) >> 16;
98 enetaddr
[4] = (die_id_0
& 0x0000ff00) >> 8;
99 enetaddr
[5] = (die_id_0
& 0x000000ff);
100 eth_setenv_enetaddr("ethaddr", enetaddr
);
110 * Routine: set_muxconf_regs
111 * Description: Setting up the configuration Mux registers specific to the
112 * hardware. Many pins need to be moved from protect to primary
115 void set_muxconf_regs(void)
120 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
121 int board_mmc_init(bd_t
*bis
)
123 return omap_mmc_init(0, 0, 0, -1, -1);
127 #if defined(CONFIG_GENERIC_MMC)
128 void board_mmc_power_init(void)
130 twl4030_power_mmc_init(0);
134 #if defined(CONFIG_DRIVER_DM9000) & !defined(CONFIG_SPL_BUILD)
136 * Routine: board_eth_init
137 * Description: Setting up the Ethernet hardware.
139 int board_eth_init(bd_t
*bis
)
141 return dm9000_initialize(bis
);
145 #ifdef CONFIG_SPL_OS_BOOT
147 * Do board specific preperation before SPL
150 void spl_board_prepare_for_linux(void)
152 gpmc_dm9000_config();
156 * devkit8000 specific implementation of spl_start_uboot()
159 * 0 if the button is not pressed
160 * 1 if the button is pressed
162 int spl_start_uboot(void)
165 if (!gpio_request(SPL_OS_BOOT_KEY
, "U-Boot key")) {
166 gpio_direction_input(SPL_OS_BOOT_KEY
);
167 val
= gpio_get_value(SPL_OS_BOOT_KEY
);
168 gpio_free(SPL_OS_BOOT_KEY
);
175 * Routine: get_board_mem_timings
176 * Description: If we use SPL then there is no x-loader nor config header
177 * so we have to setup the DDR timings ourself on the first bank. This
178 * provides the timing values back to the function that configures
179 * the memory. We have either one or two banks of 128MB DDR.
181 void get_board_mem_timings(struct board_sdrc_timings
*timings
)
183 /* General SDRC config */
184 timings
->mcfg
= MICRON_V_MCFG_165(128 << 20);
185 timings
->rfr_ctrl
= SDP_3430_SDRC_RFR_CTRL_165MHz
;
188 timings
->ctrla
= MICRON_V_ACTIMA_165
;
189 timings
->ctrlb
= MICRON_V_ACTIMB_165
;
191 timings
->mr
= MICRON_V_MR_165
;