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/*
* Copyright (c) 2014 DENX
* Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr>
*
* Derived from code written by Robert Aigner (ra@spiid.net)
*
* Itself derived from Beagle Board and 3430 SDP code by
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <netdev.h>
#include <ns16550.h>
#include <asm/io.h>
#include <asm/arch/mem.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <i2c.h>
#include <asm/mach-types.h>
#include <asm/omap_mmc.h>
#include "cairo.h"
DECLARE_GLOBAL_DATA_PTR;
/*
* MUSB port on OMAP3EVM Rev >= E requires extvbus programming.
*/
u8 omap3_evm_need_extvbus(void)
{
u8 retval = 0;
/* TODO: verify if cairo handheld platform needs extvbus programming */
return retval;
}
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_OMAP3_CAIRO;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
/*
* Routine: set_muxconf_regs
* Description: Setting up the configuration Mux registers specific to the
* hardware. Many pins need to be moved from protect to primary
* mode.
*/
void set_muxconf_regs(void)
{
MUX_CAIRO();
}
#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
return omap_mmc_init(0, 0, 0, -1, -1);
}
#endif
#ifdef CONFIG_SPL_BUILD
/*
* Routine: get_board_mem_timings
* Description: If we use SPL then there is no x-loader nor config header
* so we have to setup the DDR timings ourself on the first bank. This
* provides the timing values back to the function that configures
* the memory.
*
* The Cairo board uses SAMSUNG DDR - K4X51163PG-FGC6
*/
void get_board_mem_timings(struct board_sdrc_timings *timings)
{
timings->sharing = SAMSUNG_SHARING;
timings->mcfg = SAMSUNG_V_MCFG_165(128 << 20);
timings->ctrla = SAMSUNG_V_ACTIMA_165;
timings->ctrlb = SAMSUNG_V_ACTIMB_165;
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
timings->mr = SAMSUNG_V_MR_165;
}
#endif
static const struct ns16550_platdata cairo_serial = {
OMAP34XX_UART2,
2,
V_NS16550_CLK
};
U_BOOT_DEVICE(cairo_uart) = {
"serial_omap",
&cairo_serial
};
/* force SPL booting into U-Boot, not Linux */
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
return 1;
}
#endif
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