65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
|
||
|
|
#include <serial.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/arch/mem.h>
|
||
|
|
#include <asm/arch/sys_proto.h>
|
||
|
|
#include <jffs2/load_kernel.h>
|
||
|
|
#include <linux/mtd/rawnand.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
|