xref: /openbmc/u-boot/board/ti/ks2_evm/ddr3_k2g.c (revision 00a457b2)
1 /*
2  * K2G: DDR3 initialization
3  *
4  * (C) Copyright 2015
5  *     Texas Instruments Incorporated, <www.ti.com>
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include "ddr3_cfg.h"
12 #include <asm/arch/ddr3.h>
13 
14 struct ddr3_phy_config ddr3phy_800_2g = {
15 	.pllcr          = 0x000DC000ul,
16 	.pgcr1_mask     = (IODDRM_MASK | ZCKSEL_MASK),
17 	.pgcr1_val      = ((1 << 2) | (1 << 7) | (1 << 23)),
18 	.ptr0           = 0x42C21590ul,
19 	.ptr1           = 0xD05612C0ul,
20 	.ptr2           = 0,
21 	.ptr3           = 0x06C30D40ul,
22 	.ptr4           = 0x06413880ul,
23 	.dcr_mask       = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK),
24 	.dcr_val        = ((1 << 10)),
25 	.dtpr0          = 0x550F6644ul,
26 	.dtpr1          = 0x328341E0ul,
27 	.dtpr2          = 0x50022A00ul,
28 	.mr0            = 0x00001430ul,
29 	.mr1            = 0x00000006ul,
30 	.mr2            = 0x00000018ul,
31 	.dtcr           = 0x710035C7ul,
32 	.pgcr2          = 0x00F03D09ul,
33 	.zq0cr1         = 0x0001005Dul,
34 	.zq1cr1         = 0x0001005Bul,
35 	.zq2cr1         = 0x0001005Bul,
36 	.pir_v1         = 0x00000033ul,
37 	.pir_v2         = 0x00000F81ul,
38 };
39 
40 struct ddr3_emif_config ddr3_800_2g = {
41 	.sdcfg          = 0x62005662ul,
42 	.sdtim1         = 0x0A385033ul,
43 	.sdtim2         = 0x00001CA5ul,
44 	.sdtim3         = 0x21ADFF32ul,
45 	.sdtim4         = 0x533F067Ful,
46 	.zqcfg          = 0x70073200ul,
47 	.sdrfc          = 0x00000C34ul,
48 };
49 
50 u32 ddr3_init(void)
51 {
52 	/* Reset DDR3 PHY after PLL enabled */
53 	ddr3_reset_ddrphy();
54 
55 	ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_800_2g);
56 	ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_800_2g);
57 
58 	return 0;
59 }
60 
61 inline int ddr3_get_size(void)
62 {
63 	return 2;
64 }
65