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/*
* (C) Copyright 2010
* Texas Instruments Incorporated, <www.ti.com>
* Steve Sakoman <steve@sakoman.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
#include "panda_mux_data.h"
DECLARE_GLOBAL_DATA_PTR;
const struct omap_sysinfo sysinfo = {
"Board: OMAP4 Panda\n"
};
/**
* @brief board_init
*
* @return 0
*/
int board_init(void)
{
gpmc_init();
gd->bd->bi_arch_number = MACH_TYPE_OMAP4_PANDA;
gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
return 0;
}
/*
* Panda has a usb nic with no ethernet rom so generate a macaddr
* from the SOC die-id and set the usbethaddr env var to that
* value.
*/
int board_eth_init(bd_t *bis)
{
u8 macaddr[6];
char usbethaddr[20];
/*
* NB: The 1 here has been found to generate an address
* consistent with the kernel.
*/
omap4_die_id_to_ethernet_mac(macaddr, 1);
sprintf (usbethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
macaddr[0], macaddr[1],
macaddr[2], macaddr[3],
macaddr[4], macaddr[5]) ;
setenv ("usbethaddr", usbethaddr);
return 0;
}
/**
* @brief misc_init_r - Configure Panda board specific configurations
* such as power configurations, ethernet initialization as phase2 of
* boot sequence
*
* @return 0
*/
int misc_init_r(void)
{
return 0;
}
void set_muxconf_regs_non_essential(void)
{
/*
* Enable USB phy ref clock before reconfiguring pins because
* the phy seems to get in a bad state otherwise.
*/
#define OMAP44XX_SCRM_BASE 0x4a30a000
#define OMAP44XX_SCRM_ALTCLKSRC (OMAP44XX_SCRM_BASE + 0x110)
#define OMAP44XX_SCRM_AUXCLK1 (OMAP44XX_SCRM_BASE + 0x314)
#define OMAP44XX_SCRM_AUXCLK3 (OMAP44XX_SCRM_BASE + 0x31c)
/* enable software ioreq */
sr32(OMAP44XX_SCRM_AUXCLK3, 8, 1, 0x1);
/* set for sys_clk (38.4MHz) */
sr32(OMAP44XX_SCRM_AUXCLK3, 1, 2, 0x0);
/* set divisor to 2 */
sr32(OMAP44XX_SCRM_AUXCLK3, 16, 4, 0x1);
/* set the clock source to active */
sr32(OMAP44XX_SCRM_ALTCLKSRC, 0, 1, 0x1);
/* enable clocks */
sr32(OMAP44XX_SCRM_ALTCLKSRC, 2, 2, 0x3);
do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array_non_essential,
sizeof(core_padconf_array_non_essential) /
sizeof(struct pad_conf_entry));
if (omap_revision() < OMAP4460_ES1_0)
do_set_mux(CONTROL_PADCONF_CORE,
core_padconf_array_non_essential_4430,
sizeof(core_padconf_array_non_essential_4430) /
sizeof(struct pad_conf_entry));
else
do_set_mux(CONTROL_PADCONF_CORE,
core_padconf_array_non_essential_4460,
sizeof(core_padconf_array_non_essential_4460) /
sizeof(struct pad_conf_entry));
do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array_non_essential,
sizeof(wkup_padconf_array_non_essential) /
sizeof(struct pad_conf_entry));
if (omap_revision() < OMAP4460_ES1_0)
do_set_mux(CONTROL_PADCONF_WKUP,
wkup_padconf_array_non_essential_4430,
sizeof(wkup_padconf_array_non_essential_4430) /
sizeof(struct pad_conf_entry));
}
#ifdef CONFIG_GENERIC_MMC
int board_mmc_init(bd_t *bis)
{
omap_mmc_init(0);
return 0;
}
#endif
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