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Ladislav Michl4c699a42017-08-17 03:06:45 +02001/*
2 * SPDX-License-Identifier: GPL-2.0+
3 */
4#include <asm/io.h>
5#include <asm/arch/mem.h>
6#include <asm/arch/sys_proto.h>
7#include <jffs2/load_kernel.h>
Masahiro Yamada6ae39002017-11-30 13:45:24 +09008#include <linux/mtd/rawnand.h>
Ladislav Michl4c699a42017-08-17 03:06:45 +02009#include "igep00x0.h"
10
11/*
12 * Routine: get_board_mem_timings
13 * Description: If we use SPL then there is no x-loader nor config header
14 * so we have to setup the DDR timings ourself on both banks.
15 */
16void get_board_mem_timings(struct board_sdrc_timings *timings)
17{
18 int mfr, id, err = identify_nand_chip(&mfr, &id);
19
20 timings->mr = MICRON_V_MR_165;
21 if (!err) {
22 switch (mfr) {
23 case NAND_MFR_HYNIX:
24 timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
25 timings->ctrla = HYNIX_V_ACTIMA_200;
26 timings->ctrlb = HYNIX_V_ACTIMB_200;
27 break;
28 case NAND_MFR_MICRON:
29 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
30 timings->ctrla = MICRON_V_ACTIMA_200;
31 timings->ctrlb = MICRON_V_ACTIMB_200;
32 break;
33 default:
34 /* Should not happen... */
35 break;
36 }
37 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
38 gpmc_cs0_flash = MTD_DEV_TYPE_NAND;
39 } else {
40 if (get_cpu_family() == CPU_OMAP34XX) {
41 timings->mcfg = NUMONYX_V_MCFG_165(256 << 20);
42 timings->ctrla = NUMONYX_V_ACTIMA_165;
43 timings->ctrlb = NUMONYX_V_ACTIMB_165;
44 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
45 } else {
46 timings->mcfg = NUMONYX_V_MCFG_200(256 << 20);
47 timings->ctrla = NUMONYX_V_ACTIMA_200;
48 timings->ctrlb = NUMONYX_V_ACTIMB_200;
49 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
50 }
51 gpmc_cs0_flash = MTD_DEV_TYPE_ONENAND;
52 }
53}
54
55#ifdef CONFIG_SPL_OS_BOOT
56int spl_start_uboot(void)
57{
58 /* break into full u-boot on 'c' */
59 if (serial_tstc() && serial_getc() == 'c')
60 return 1;
61
62 return 0;
63}
64#endif