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/*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/io.h>
#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
#include <jffs2/load_kernel.h>
#include <linux/mtd/nand.h>
#include "igep00x0.h"
/*
* 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 both banks.
*/
void get_board_mem_timings(struct board_sdrc_timings *timings)
{
int mfr, id, err = identify_nand_chip(&mfr, &id);
timings->mr = MICRON_V_MR_165;
if (!err) {
switch (mfr) {
case NAND_MFR_HYNIX:
timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
timings->ctrla = HYNIX_V_ACTIMA_200;
timings->ctrlb = HYNIX_V_ACTIMB_200;
break;
case NAND_MFR_MICRON:
timings->mcfg = MICRON_V_MCFG_200(256 << 20);
timings->ctrla = MICRON_V_ACTIMA_200;
timings->ctrlb = MICRON_V_ACTIMB_200;
break;
default:
/* Should not happen... */
break;
}
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
gpmc_cs0_flash = MTD_DEV_TYPE_NAND;
} else {
if (get_cpu_family() == CPU_OMAP34XX) {
timings->mcfg = NUMONYX_V_MCFG_165(256 << 20);
timings->ctrla = NUMONYX_V_ACTIMA_165;
timings->ctrlb = NUMONYX_V_ACTIMB_165;
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
} else {
timings->mcfg = NUMONYX_V_MCFG_200(256 << 20);
timings->ctrla = NUMONYX_V_ACTIMA_200;
timings->ctrlb = NUMONYX_V_ACTIMB_200;
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
}
gpmc_cs0_flash = MTD_DEV_TYPE_ONENAND;
}
}
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
/* break into full u-boot on 'c' */
if (serial_tstc() && serial_getc() == 'c')
return 1;
return 0;
}
#endif
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