Hao Zhang | c13cbcf | 2014-10-22 16:32:33 +0300 | [diff] [blame^] | 1 | /* |
| 2 | * Keystone2: DDR3 initialization |
| 3 | * |
| 4 | * (C) Copyright 2014 |
| 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 | static int ddr3_size; |
| 15 | static struct pll_init_data ddr3_400 = DDR3_PLL_400; |
| 16 | |
| 17 | void ddr3_init(void) |
| 18 | { |
| 19 | init_pll(&ddr3_400); |
| 20 | |
| 21 | /* No SO-DIMM, 2GB discreet DDR */ |
| 22 | printf("DRAM: 2 GiB\n"); |
| 23 | ddr3_size = 2; |
| 24 | |
| 25 | /* Reset DDR3 PHY after PLL enabled */ |
| 26 | ddr3_reset_ddrphy(); |
| 27 | |
| 28 | ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_2g); |
| 29 | ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_2g); |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * ddr3_get_size - return ddr3 size in GiB |
| 34 | */ |
| 35 | int ddr3_get_size(void) |
| 36 | { |
| 37 | return ddr3_size; |
| 38 | } |