upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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1163 lines
27 KiB
1163 lines
27 KiB
/*
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* Copyright 2008, 2010-2014 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <hwconfig.h>
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#include <fsl_ddr_sdram.h>
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#include <fsl_ddr.h>
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/*
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* Use our own stack based buffer before relocation to allow accessing longer
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* hwconfig strings that might be in the environment before we've relocated.
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* This is pretty fragile on both the use of stack and if the buffer is big
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* enough. However we will get a warning from getenv_f for the later.
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*/
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/* Board-specific functions defined in each board's ddr.c */
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extern void fsl_ddr_board_options(memctl_options_t *popts,
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dimm_params_t *pdimm,
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unsigned int ctrl_num);
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struct dynamic_odt {
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unsigned int odt_rd_cfg;
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unsigned int odt_wr_cfg;
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unsigned int odt_rtt_norm;
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unsigned int odt_rtt_wr;
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};
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#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
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static const struct dynamic_odt single_Q[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS_AND_OTHER_DIMM,
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DDR3_RTT_20_OHM,
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DDR3_RTT_120_OHM
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER, /* tied high */
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DDR3_RTT_OFF,
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DDR3_RTT_120_OHM
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},
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS_AND_OTHER_DIMM,
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DDR3_RTT_20_OHM,
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DDR3_RTT_120_OHM
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},
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{ /* cs3 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER, /* tied high */
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DDR3_RTT_OFF,
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DDR3_RTT_120_OHM
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}
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};
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static const struct dynamic_odt single_D[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_ALL,
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DDR3_RTT_40_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR3_RTT_OFF,
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DDR3_RTT_OFF
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},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt single_S[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_ALL,
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DDR3_RTT_40_OHM,
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DDR3_RTT_OFF
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},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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};
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static const struct dynamic_odt dual_DD[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_SAME_DIMM,
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DDR3_RTT_120_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR3_RTT_30_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_SAME_DIMM,
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DDR3_RTT_120_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs3 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR3_RTT_30_OHM,
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DDR3_RTT_OFF
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}
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};
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static const struct dynamic_odt dual_DS[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_SAME_DIMM,
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DDR3_RTT_120_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR3_RTT_30_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs2 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_ALL,
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DDR3_RTT_20_OHM,
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DDR3_RTT_120_OHM
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},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt dual_SD[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_ALL,
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DDR3_RTT_20_OHM,
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DDR3_RTT_120_OHM
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},
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{0, 0, 0, 0},
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_SAME_DIMM,
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DDR3_RTT_120_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs3 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR3_RTT_20_OHM,
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DDR3_RTT_OFF
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}
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};
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static const struct dynamic_odt dual_SS[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_ALL,
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DDR3_RTT_30_OHM,
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DDR3_RTT_120_OHM
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},
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{0, 0, 0, 0},
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{ /* cs2 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_ALL,
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DDR3_RTT_30_OHM,
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DDR3_RTT_120_OHM
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},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt dual_D0[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_SAME_DIMM,
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DDR3_RTT_40_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR3_RTT_OFF,
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DDR3_RTT_OFF
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},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt dual_0D[4] = {
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_SAME_DIMM,
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DDR3_RTT_40_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs3 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR3_RTT_OFF,
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DDR3_RTT_OFF
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}
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};
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static const struct dynamic_odt dual_S0[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR3_RTT_40_OHM,
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DDR3_RTT_OFF
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},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt dual_0S[4] = {
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR3_RTT_40_OHM,
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DDR3_RTT_OFF
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},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt odt_unknown[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR3_RTT_120_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR3_RTT_120_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR3_RTT_120_OHM,
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DDR3_RTT_OFF
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},
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{ /* cs3 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR3_RTT_120_OHM,
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DDR3_RTT_OFF
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}
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};
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#else /* CONFIG_SYS_FSL_DDR3 || CONFIG_SYS_FSL_DDR4 */
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static const struct dynamic_odt single_Q[4] = {
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt single_D[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_ALL,
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DDR2_RTT_150_OHM,
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DDR2_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt single_S[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_ALL,
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DDR2_RTT_150_OHM,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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};
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static const struct dynamic_odt dual_DD[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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},
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{ /* cs2 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{ /* cs3 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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}
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};
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static const struct dynamic_odt dual_DS[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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},
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{ /* cs2 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt dual_SD[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0},
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{ /* cs2 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{ /* cs3 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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}
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};
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static const struct dynamic_odt dual_SS[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0},
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{ /* cs2 */
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FSL_DDR_ODT_OTHER_DIMM,
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FSL_DDR_ODT_OTHER_DIMM,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt dual_D0[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_ALL,
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DDR2_RTT_150_OHM,
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DDR2_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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static const struct dynamic_odt dual_0D[4] = {
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_ALL,
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DDR2_RTT_150_OHM,
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DDR2_RTT_OFF
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},
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{ /* cs3 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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}
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};
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static const struct dynamic_odt dual_S0[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR2_RTT_150_OHM,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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|
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static const struct dynamic_odt dual_0S[4] = {
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{0, 0, 0, 0},
|
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{0, 0, 0, 0},
|
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR2_RTT_150_OHM,
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DDR2_RTT_OFF
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},
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{0, 0, 0, 0}
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};
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|
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static const struct dynamic_odt odt_unknown[4] = {
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{ /* cs0 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR2_RTT_75_OHM,
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DDR2_RTT_OFF
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},
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{ /* cs1 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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},
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{ /* cs2 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_CS,
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DDR2_RTT_75_OHM,
|
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DDR2_RTT_OFF
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},
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{ /* cs3 */
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FSL_DDR_ODT_NEVER,
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FSL_DDR_ODT_NEVER,
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DDR2_RTT_OFF,
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DDR2_RTT_OFF
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}
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};
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#endif
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|
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/*
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* Automatically seleect bank interleaving mode based on DIMMs
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* in this order: cs0_cs1_cs2_cs3, cs0_cs1, null.
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* This function only deal with one or two slots per controller.
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|
*/
|
|
static inline unsigned int auto_bank_intlv(dimm_params_t *pdimm)
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|
{
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|
#if (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
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if (pdimm[0].n_ranks == 4)
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return FSL_DDR_CS0_CS1_CS2_CS3;
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else if (pdimm[0].n_ranks == 2)
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return FSL_DDR_CS0_CS1;
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#elif (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
|
|
#ifdef CONFIG_FSL_DDR_FIRST_SLOT_QUAD_CAPABLE
|
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if (pdimm[0].n_ranks == 4)
|
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return FSL_DDR_CS0_CS1_CS2_CS3;
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|
#endif
|
|
if (pdimm[0].n_ranks == 2) {
|
|
if (pdimm[1].n_ranks == 2)
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return FSL_DDR_CS0_CS1_CS2_CS3;
|
|
else
|
|
return FSL_DDR_CS0_CS1;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
unsigned int populate_memctl_options(int all_dimms_registered,
|
|
memctl_options_t *popts,
|
|
dimm_params_t *pdimm,
|
|
unsigned int ctrl_num)
|
|
{
|
|
unsigned int i;
|
|
char buffer[HWCONFIG_BUFFER_SIZE];
|
|
char *buf = NULL;
|
|
#if defined(CONFIG_SYS_FSL_DDR3) || \
|
|
defined(CONFIG_SYS_FSL_DDR2) || \
|
|
defined(CONFIG_SYS_FSL_DDR4)
|
|
const struct dynamic_odt *pdodt = odt_unknown;
|
|
#endif
|
|
ulong ddr_freq;
|
|
|
|
/*
|
|
* Extract hwconfig from environment since we have not properly setup
|
|
* the environment but need it for ddr config params
|
|
*/
|
|
if (getenv_f("hwconfig", buffer, sizeof(buffer)) > 0)
|
|
buf = buffer;
|
|
|
|
#if defined(CONFIG_SYS_FSL_DDR3) || \
|
|
defined(CONFIG_SYS_FSL_DDR2) || \
|
|
defined(CONFIG_SYS_FSL_DDR4)
|
|
/* Chip select options. */
|
|
#if (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
|
|
switch (pdimm[0].n_ranks) {
|
|
case 1:
|
|
pdodt = single_S;
|
|
break;
|
|
case 2:
|
|
pdodt = single_D;
|
|
break;
|
|
case 4:
|
|
pdodt = single_Q;
|
|
break;
|
|
}
|
|
#elif (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
|
|
switch (pdimm[0].n_ranks) {
|
|
#ifdef CONFIG_FSL_DDR_FIRST_SLOT_QUAD_CAPABLE
|
|
case 4:
|
|
pdodt = single_Q;
|
|
if (pdimm[1].n_ranks)
|
|
printf("Error: Quad- and Dual-rank DIMMs cannot be used together\n");
|
|
break;
|
|
#endif
|
|
case 2:
|
|
switch (pdimm[1].n_ranks) {
|
|
case 2:
|
|
pdodt = dual_DD;
|
|
break;
|
|
case 1:
|
|
pdodt = dual_DS;
|
|
break;
|
|
case 0:
|
|
pdodt = dual_D0;
|
|
break;
|
|
}
|
|
break;
|
|
case 1:
|
|
switch (pdimm[1].n_ranks) {
|
|
case 2:
|
|
pdodt = dual_SD;
|
|
break;
|
|
case 1:
|
|
pdodt = dual_SS;
|
|
break;
|
|
case 0:
|
|
pdodt = dual_S0;
|
|
break;
|
|
}
|
|
break;
|
|
case 0:
|
|
switch (pdimm[1].n_ranks) {
|
|
case 2:
|
|
pdodt = dual_0D;
|
|
break;
|
|
case 1:
|
|
pdodt = dual_0S;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
#endif /* CONFIG_DIMM_SLOTS_PER_CTLR */
|
|
#endif /* CONFIG_SYS_FSL_DDR2, 3, 4 */
|
|
|
|
/* Pick chip-select local options. */
|
|
for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
|
|
#if defined(CONFIG_SYS_FSL_DDR3) || \
|
|
defined(CONFIG_SYS_FSL_DDR2) || \
|
|
defined(CONFIG_SYS_FSL_DDR4)
|
|
popts->cs_local_opts[i].odt_rd_cfg = pdodt[i].odt_rd_cfg;
|
|
popts->cs_local_opts[i].odt_wr_cfg = pdodt[i].odt_wr_cfg;
|
|
popts->cs_local_opts[i].odt_rtt_norm = pdodt[i].odt_rtt_norm;
|
|
popts->cs_local_opts[i].odt_rtt_wr = pdodt[i].odt_rtt_wr;
|
|
#else
|
|
popts->cs_local_opts[i].odt_rd_cfg = FSL_DDR_ODT_NEVER;
|
|
popts->cs_local_opts[i].odt_wr_cfg = FSL_DDR_ODT_CS;
|
|
#endif
|
|
popts->cs_local_opts[i].auto_precharge = 0;
|
|
}
|
|
|
|
/* Pick interleaving mode. */
|
|
|
|
/*
|
|
* 0 = no interleaving
|
|
* 1 = interleaving between 2 controllers
|
|
*/
|
|
popts->memctl_interleaving = 0;
|
|
|
|
/*
|
|
* 0 = cacheline
|
|
* 1 = page
|
|
* 2 = (logical) bank
|
|
* 3 = superbank (only if CS interleaving is enabled)
|
|
*/
|
|
popts->memctl_interleaving_mode = 0;
|
|
|
|
/*
|
|
* 0: cacheline: bit 30 of the 36-bit physical addr selects the memctl
|
|
* 1: page: bit to the left of the column bits selects the memctl
|
|
* 2: bank: bit to the left of the bank bits selects the memctl
|
|
* 3: superbank: bit to the left of the chip select selects the memctl
|
|
*
|
|
* NOTE: ba_intlv (rank interleaving) is independent of memory
|
|
* controller interleaving; it is only within a memory controller.
|
|
* Must use superbank interleaving if rank interleaving is used and
|
|
* memory controller interleaving is enabled.
|
|
*/
|
|
|
|
/*
|
|
* 0 = no
|
|
* 0x40 = CS0,CS1
|
|
* 0x20 = CS2,CS3
|
|
* 0x60 = CS0,CS1 + CS2,CS3
|
|
* 0x04 = CS0,CS1,CS2,CS3
|
|
*/
|
|
popts->ba_intlv_ctl = 0;
|
|
|
|
/* Memory Organization Parameters */
|
|
popts->registered_dimm_en = all_dimms_registered;
|
|
|
|
/* Operational Mode Paramters */
|
|
|
|
/* Pick ECC modes */
|
|
popts->ecc_mode = 0; /* 0 = disabled, 1 = enabled */
|
|
#ifdef CONFIG_DDR_ECC
|
|
if (hwconfig_sub_f("fsl_ddr", "ecc", buf)) {
|
|
if (hwconfig_subarg_cmp_f("fsl_ddr", "ecc", "on", buf))
|
|
popts->ecc_mode = 1;
|
|
} else
|
|
popts->ecc_mode = 1;
|
|
#endif
|
|
popts->ecc_init_using_memctl = 1; /* 0 = use DMA, 1 = use memctl */
|
|
|
|
/*
|
|
* Choose DQS config
|
|
* 0 for DDR1
|
|
* 1 for DDR2
|
|
*/
|
|
#if defined(CONFIG_SYS_FSL_DDR1)
|
|
popts->dqs_config = 0;
|
|
#elif defined(CONFIG_SYS_FSL_DDR2) || defined(CONFIG_SYS_FSL_DDR3)
|
|
popts->dqs_config = 1;
|
|
#endif
|
|
|
|
/* Choose self-refresh during sleep. */
|
|
popts->self_refresh_in_sleep = 1;
|
|
|
|
/* Choose dynamic power management mode. */
|
|
popts->dynamic_power = 0;
|
|
|
|
/*
|
|
* check first dimm for primary sdram width
|
|
* presuming all dimms are similar
|
|
* 0 = 64-bit, 1 = 32-bit, 2 = 16-bit
|
|
*/
|
|
#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
|
|
if (pdimm[0].n_ranks != 0) {
|
|
if ((pdimm[0].data_width >= 64) && \
|
|
(pdimm[0].data_width <= 72))
|
|
popts->data_bus_width = 0;
|
|
else if ((pdimm[0].data_width >= 32) || \
|
|
(pdimm[0].data_width <= 40))
|
|
popts->data_bus_width = 1;
|
|
else {
|
|
panic("Error: data width %u is invalid!\n",
|
|
pdimm[0].data_width);
|
|
}
|
|
}
|
|
#else
|
|
if (pdimm[0].n_ranks != 0) {
|
|
if (pdimm[0].primary_sdram_width == 64)
|
|
popts->data_bus_width = 0;
|
|
else if (pdimm[0].primary_sdram_width == 32)
|
|
popts->data_bus_width = 1;
|
|
else if (pdimm[0].primary_sdram_width == 16)
|
|
popts->data_bus_width = 2;
|
|
else {
|
|
panic("Error: primary sdram width %u is invalid!\n",
|
|
pdimm[0].primary_sdram_width);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
popts->x4_en = (pdimm[0].device_width == 4) ? 1 : 0;
|
|
|
|
/* Choose burst length. */
|
|
#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
|
|
#if defined(CONFIG_E500MC)
|
|
popts->otf_burst_chop_en = 0; /* on-the-fly burst chop disable */
|
|
popts->burst_length = DDR_BL8; /* Fixed 8-beat burst len */
|
|
#else
|
|
if ((popts->data_bus_width == 1) || (popts->data_bus_width == 2)) {
|
|
/* 32-bit or 16-bit bus */
|
|
popts->otf_burst_chop_en = 0;
|
|
popts->burst_length = DDR_BL8;
|
|
} else {
|
|
popts->otf_burst_chop_en = 1; /* on-the-fly burst chop */
|
|
popts->burst_length = DDR_OTF; /* on-the-fly BC4 and BL8 */
|
|
}
|
|
#endif
|
|
#else
|
|
popts->burst_length = DDR_BL4; /* has to be 4 for DDR2 */
|
|
#endif
|
|
|
|
/* Choose ddr controller address mirror mode */
|
|
#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
|
|
popts->mirrored_dimm = pdimm[0].mirrored_dimm;
|
|
#endif
|
|
|
|
/* Global Timing Parameters. */
|
|
debug("mclk_ps = %u ps\n", get_memory_clk_period_ps(ctrl_num));
|
|
|
|
/* Pick a caslat override. */
|
|
popts->cas_latency_override = 0;
|
|
popts->cas_latency_override_value = 3;
|
|
if (popts->cas_latency_override) {
|
|
debug("using caslat override value = %u\n",
|
|
popts->cas_latency_override_value);
|
|
}
|
|
|
|
/* Decide whether to use the computed derated latency */
|
|
popts->use_derated_caslat = 0;
|
|
|
|
/* Choose an additive latency. */
|
|
popts->additive_latency_override = 0;
|
|
popts->additive_latency_override_value = 3;
|
|
if (popts->additive_latency_override) {
|
|
debug("using additive latency override value = %u\n",
|
|
popts->additive_latency_override_value);
|
|
}
|
|
|
|
/*
|
|
* 2T_EN setting
|
|
*
|
|
* Factors to consider for 2T_EN:
|
|
* - number of DIMMs installed
|
|
* - number of components, number of active ranks
|
|
* - how much time you want to spend playing around
|
|
*/
|
|
popts->twot_en = 0;
|
|
popts->threet_en = 0;
|
|
|
|
/* for RDIMM, address parity enable */
|
|
popts->ap_en = 1;
|
|
|
|
/*
|
|
* BSTTOPRE precharge interval
|
|
*
|
|
* Set this to 0 for global auto precharge
|
|
* The value of 0x100 has been used for DDR1, DDR2, DDR3.
|
|
* It is not wrong. Any value should be OK. The performance depends on
|
|
* applications. There is no one good value for all.
|
|
*/
|
|
popts->bstopre = 0x100;
|
|
|
|
/*
|
|
* Window for four activates -- tFAW
|
|
*
|
|
* FIXME: UM: applies only to DDR2/DDR3 with eight logical banks only
|
|
* FIXME: varies depending upon number of column addresses or data
|
|
* FIXME: width, was considering looking at pdimm->primary_sdram_width
|
|
*/
|
|
#if defined(CONFIG_SYS_FSL_DDR1)
|
|
popts->tfaw_window_four_activates_ps = mclk_to_picos(ctrl_num, 1);
|
|
|
|
#elif defined(CONFIG_SYS_FSL_DDR2)
|
|
/*
|
|
* x4/x8; some datasheets have 35000
|
|
* x16 wide columns only? Use 50000?
|
|
*/
|
|
popts->tfaw_window_four_activates_ps = 37500;
|
|
|
|
#else
|
|
popts->tfaw_window_four_activates_ps = pdimm[0].tfaw_ps;
|
|
#endif
|
|
popts->zq_en = 0;
|
|
popts->wrlvl_en = 0;
|
|
#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
|
|
/*
|
|
* due to ddr3 dimm is fly-by topology
|
|
* we suggest to enable write leveling to
|
|
* meet the tQDSS under different loading.
|
|
*/
|
|
popts->wrlvl_en = 1;
|
|
popts->zq_en = 1;
|
|
popts->wrlvl_override = 0;
|
|
#endif
|
|
|
|
/*
|
|
* Check interleaving configuration from environment.
|
|
* Please refer to doc/README.fsl-ddr for the detail.
|
|
*
|
|
* If memory controller interleaving is enabled, then the data
|
|
* bus widths must be programmed identically for all memory controllers.
|
|
*
|
|
* Attempt to set all controllers to the same chip select
|
|
* interleaving mode. It will do a best effort to get the
|
|
* requested ranks interleaved together such that the result
|
|
* should be a subset of the requested configuration.
|
|
*
|
|
* if CONFIG_SYS_FSL_DDR_INTLV_256B is defined, mandatory interleaving
|
|
* with 256 Byte is enabled.
|
|
*/
|
|
#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
|
|
if (!hwconfig_sub_f("fsl_ddr", "ctlr_intlv", buf))
|
|
#ifdef CONFIG_SYS_FSL_DDR_INTLV_256B
|
|
;
|
|
#else
|
|
goto done;
|
|
#endif
|
|
if (pdimm[0].n_ranks == 0) {
|
|
printf("There is no rank on CS0 for controller %d.\n", ctrl_num);
|
|
popts->memctl_interleaving = 0;
|
|
goto done;
|
|
}
|
|
popts->memctl_interleaving = 1;
|
|
#ifdef CONFIG_SYS_FSL_DDR_INTLV_256B
|
|
popts->memctl_interleaving_mode = FSL_DDR_256B_INTERLEAVING;
|
|
popts->memctl_interleaving = 1;
|
|
debug("256 Byte interleaving\n");
|
|
#else
|
|
/*
|
|
* test null first. if CONFIG_HWCONFIG is not defined
|
|
* hwconfig_arg_cmp returns non-zero
|
|
*/
|
|
if (hwconfig_subarg_cmp_f("fsl_ddr", "ctlr_intlv",
|
|
"null", buf)) {
|
|
popts->memctl_interleaving = 0;
|
|
debug("memory controller interleaving disabled.\n");
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"cacheline", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
((CONFIG_NUM_DDR_CONTROLLERS == 3) && ctrl_num == 2) ?
|
|
0 : FSL_DDR_CACHE_LINE_INTERLEAVING;
|
|
popts->memctl_interleaving =
|
|
((CONFIG_NUM_DDR_CONTROLLERS == 3) && ctrl_num == 2) ?
|
|
0 : 1;
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"page", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
((CONFIG_NUM_DDR_CONTROLLERS == 3) && ctrl_num == 2) ?
|
|
0 : FSL_DDR_PAGE_INTERLEAVING;
|
|
popts->memctl_interleaving =
|
|
((CONFIG_NUM_DDR_CONTROLLERS == 3) && ctrl_num == 2) ?
|
|
0 : 1;
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"bank", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
((CONFIG_NUM_DDR_CONTROLLERS == 3) && ctrl_num == 2) ?
|
|
0 : FSL_DDR_BANK_INTERLEAVING;
|
|
popts->memctl_interleaving =
|
|
((CONFIG_NUM_DDR_CONTROLLERS == 3) && ctrl_num == 2) ?
|
|
0 : 1;
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"superbank", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
((CONFIG_NUM_DDR_CONTROLLERS == 3) && ctrl_num == 2) ?
|
|
0 : FSL_DDR_SUPERBANK_INTERLEAVING;
|
|
popts->memctl_interleaving =
|
|
((CONFIG_NUM_DDR_CONTROLLERS == 3) && ctrl_num == 2) ?
|
|
0 : 1;
|
|
#if (CONFIG_NUM_DDR_CONTROLLERS == 3)
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"3way_1KB", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
FSL_DDR_3WAY_1KB_INTERLEAVING;
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"3way_4KB", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
FSL_DDR_3WAY_4KB_INTERLEAVING;
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"3way_8KB", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
FSL_DDR_3WAY_8KB_INTERLEAVING;
|
|
#elif (CONFIG_NUM_DDR_CONTROLLERS == 4)
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"4way_1KB", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
FSL_DDR_4WAY_1KB_INTERLEAVING;
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"4way_4KB", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
FSL_DDR_4WAY_4KB_INTERLEAVING;
|
|
} else if (hwconfig_subarg_cmp_f("fsl_ddr",
|
|
"ctlr_intlv",
|
|
"4way_8KB", buf)) {
|
|
popts->memctl_interleaving_mode =
|
|
FSL_DDR_4WAY_8KB_INTERLEAVING;
|
|
#endif
|
|
} else {
|
|
popts->memctl_interleaving = 0;
|
|
printf("hwconfig has unrecognized parameter for ctlr_intlv.\n");
|
|
}
|
|
#endif /* CONFIG_SYS_FSL_DDR_INTLV_256B */
|
|
done:
|
|
#endif /* CONFIG_NUM_DDR_CONTROLLERS > 1 */
|
|
if ((hwconfig_sub_f("fsl_ddr", "bank_intlv", buf)) &&
|
|
(CONFIG_CHIP_SELECTS_PER_CTRL > 1)) {
|
|
/* test null first. if CONFIG_HWCONFIG is not defined,
|
|
* hwconfig_subarg_cmp_f returns non-zero */
|
|
if (hwconfig_subarg_cmp_f("fsl_ddr", "bank_intlv",
|
|
"null", buf))
|
|
debug("bank interleaving disabled.\n");
|
|
else if (hwconfig_subarg_cmp_f("fsl_ddr", "bank_intlv",
|
|
"cs0_cs1", buf))
|
|
popts->ba_intlv_ctl = FSL_DDR_CS0_CS1;
|
|
else if (hwconfig_subarg_cmp_f("fsl_ddr", "bank_intlv",
|
|
"cs2_cs3", buf))
|
|
popts->ba_intlv_ctl = FSL_DDR_CS2_CS3;
|
|
else if (hwconfig_subarg_cmp_f("fsl_ddr", "bank_intlv",
|
|
"cs0_cs1_and_cs2_cs3", buf))
|
|
popts->ba_intlv_ctl = FSL_DDR_CS0_CS1_AND_CS2_CS3;
|
|
else if (hwconfig_subarg_cmp_f("fsl_ddr", "bank_intlv",
|
|
"cs0_cs1_cs2_cs3", buf))
|
|
popts->ba_intlv_ctl = FSL_DDR_CS0_CS1_CS2_CS3;
|
|
else if (hwconfig_subarg_cmp_f("fsl_ddr", "bank_intlv",
|
|
"auto", buf))
|
|
popts->ba_intlv_ctl = auto_bank_intlv(pdimm);
|
|
else
|
|
printf("hwconfig has unrecognized parameter for bank_intlv.\n");
|
|
switch (popts->ba_intlv_ctl & FSL_DDR_CS0_CS1_CS2_CS3) {
|
|
case FSL_DDR_CS0_CS1_CS2_CS3:
|
|
#if (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
|
|
if (pdimm[0].n_ranks < 4) {
|
|
popts->ba_intlv_ctl = 0;
|
|
printf("Not enough bank(chip-select) for "
|
|
"CS0+CS1+CS2+CS3 on controller %d, "
|
|
"interleaving disabled!\n", ctrl_num);
|
|
}
|
|
#elif (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
|
|
#ifdef CONFIG_FSL_DDR_FIRST_SLOT_QUAD_CAPABLE
|
|
if (pdimm[0].n_ranks == 4)
|
|
break;
|
|
#endif
|
|
if ((pdimm[0].n_ranks < 2) && (pdimm[1].n_ranks < 2)) {
|
|
popts->ba_intlv_ctl = 0;
|
|
printf("Not enough bank(chip-select) for "
|
|
"CS0+CS1+CS2+CS3 on controller %d, "
|
|
"interleaving disabled!\n", ctrl_num);
|
|
}
|
|
if (pdimm[0].capacity != pdimm[1].capacity) {
|
|
popts->ba_intlv_ctl = 0;
|
|
printf("Not identical DIMM size for "
|
|
"CS0+CS1+CS2+CS3 on controller %d, "
|
|
"interleaving disabled!\n", ctrl_num);
|
|
}
|
|
#endif
|
|
break;
|
|
case FSL_DDR_CS0_CS1:
|
|
if (pdimm[0].n_ranks < 2) {
|
|
popts->ba_intlv_ctl = 0;
|
|
printf("Not enough bank(chip-select) for "
|
|
"CS0+CS1 on controller %d, "
|
|
"interleaving disabled!\n", ctrl_num);
|
|
}
|
|
break;
|
|
case FSL_DDR_CS2_CS3:
|
|
#if (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
|
|
if (pdimm[0].n_ranks < 4) {
|
|
popts->ba_intlv_ctl = 0;
|
|
printf("Not enough bank(chip-select) for CS2+CS3 "
|
|
"on controller %d, interleaving disabled!\n", ctrl_num);
|
|
}
|
|
#elif (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
|
|
if (pdimm[1].n_ranks < 2) {
|
|
popts->ba_intlv_ctl = 0;
|
|
printf("Not enough bank(chip-select) for CS2+CS3 "
|
|
"on controller %d, interleaving disabled!\n", ctrl_num);
|
|
}
|
|
#endif
|
|
break;
|
|
case FSL_DDR_CS0_CS1_AND_CS2_CS3:
|
|
#if (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
|
|
if (pdimm[0].n_ranks < 4) {
|
|
popts->ba_intlv_ctl = 0;
|
|
printf("Not enough bank(CS) for CS0+CS1 and "
|
|
"CS2+CS3 on controller %d, "
|
|
"interleaving disabled!\n", ctrl_num);
|
|
}
|
|
#elif (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
|
|
if ((pdimm[0].n_ranks < 2) || (pdimm[1].n_ranks < 2)) {
|
|
popts->ba_intlv_ctl = 0;
|
|
printf("Not enough bank(CS) for CS0+CS1 and "
|
|
"CS2+CS3 on controller %d, "
|
|
"interleaving disabled!\n", ctrl_num);
|
|
}
|
|
#endif
|
|
break;
|
|
default:
|
|
popts->ba_intlv_ctl = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (hwconfig_sub_f("fsl_ddr", "addr_hash", buf)) {
|
|
if (hwconfig_subarg_cmp_f("fsl_ddr", "addr_hash", "null", buf))
|
|
popts->addr_hash = 0;
|
|
else if (hwconfig_subarg_cmp_f("fsl_ddr", "addr_hash",
|
|
"true", buf))
|
|
popts->addr_hash = 1;
|
|
}
|
|
|
|
if (pdimm[0].n_ranks == 4)
|
|
popts->quad_rank_present = 1;
|
|
|
|
ddr_freq = get_ddr_freq(ctrl_num) / 1000000;
|
|
if (popts->registered_dimm_en) {
|
|
popts->rcw_override = 1;
|
|
popts->rcw_1 = 0x000a5a00;
|
|
if (ddr_freq <= 800)
|
|
popts->rcw_2 = 0x00000000;
|
|
else if (ddr_freq <= 1066)
|
|
popts->rcw_2 = 0x00100000;
|
|
else if (ddr_freq <= 1333)
|
|
popts->rcw_2 = 0x00200000;
|
|
else
|
|
popts->rcw_2 = 0x00300000;
|
|
}
|
|
|
|
fsl_ddr_board_options(popts, pdimm, ctrl_num);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void check_interleaving_options(fsl_ddr_info_t *pinfo)
|
|
{
|
|
int i, j, k, check_n_ranks, intlv_invalid = 0;
|
|
unsigned int check_intlv, check_n_row_addr, check_n_col_addr;
|
|
unsigned long long check_rank_density;
|
|
struct dimm_params_s *dimm;
|
|
int first_ctrl = pinfo->first_ctrl;
|
|
int last_ctrl = first_ctrl + pinfo->num_ctrls - 1;
|
|
|
|
/*
|
|
* Check if all controllers are configured for memory
|
|
* controller interleaving. Identical dimms are recommended. At least
|
|
* the size, row and col address should be checked.
|
|
*/
|
|
j = 0;
|
|
check_n_ranks = pinfo->dimm_params[first_ctrl][0].n_ranks;
|
|
check_rank_density = pinfo->dimm_params[first_ctrl][0].rank_density;
|
|
check_n_row_addr = pinfo->dimm_params[first_ctrl][0].n_row_addr;
|
|
check_n_col_addr = pinfo->dimm_params[first_ctrl][0].n_col_addr;
|
|
check_intlv = pinfo->memctl_opts[first_ctrl].memctl_interleaving_mode;
|
|
for (i = first_ctrl; i <= last_ctrl; i++) {
|
|
dimm = &pinfo->dimm_params[i][0];
|
|
if (!pinfo->memctl_opts[i].memctl_interleaving) {
|
|
continue;
|
|
} else if (((check_rank_density != dimm->rank_density) ||
|
|
(check_n_ranks != dimm->n_ranks) ||
|
|
(check_n_row_addr != dimm->n_row_addr) ||
|
|
(check_n_col_addr != dimm->n_col_addr) ||
|
|
(check_intlv !=
|
|
pinfo->memctl_opts[i].memctl_interleaving_mode))){
|
|
intlv_invalid = 1;
|
|
break;
|
|
} else {
|
|
j++;
|
|
}
|
|
|
|
}
|
|
if (intlv_invalid) {
|
|
for (i = first_ctrl; i <= last_ctrl; i++)
|
|
pinfo->memctl_opts[i].memctl_interleaving = 0;
|
|
printf("Not all DIMMs are identical. "
|
|
"Memory controller interleaving disabled.\n");
|
|
} else {
|
|
switch (check_intlv) {
|
|
case FSL_DDR_256B_INTERLEAVING:
|
|
case FSL_DDR_CACHE_LINE_INTERLEAVING:
|
|
case FSL_DDR_PAGE_INTERLEAVING:
|
|
case FSL_DDR_BANK_INTERLEAVING:
|
|
case FSL_DDR_SUPERBANK_INTERLEAVING:
|
|
#if (3 == CONFIG_NUM_DDR_CONTROLLERS)
|
|
k = 2;
|
|
#else
|
|
k = CONFIG_NUM_DDR_CONTROLLERS;
|
|
#endif
|
|
break;
|
|
case FSL_DDR_3WAY_1KB_INTERLEAVING:
|
|
case FSL_DDR_3WAY_4KB_INTERLEAVING:
|
|
case FSL_DDR_3WAY_8KB_INTERLEAVING:
|
|
case FSL_DDR_4WAY_1KB_INTERLEAVING:
|
|
case FSL_DDR_4WAY_4KB_INTERLEAVING:
|
|
case FSL_DDR_4WAY_8KB_INTERLEAVING:
|
|
default:
|
|
k = CONFIG_NUM_DDR_CONTROLLERS;
|
|
break;
|
|
}
|
|
debug("%d of %d controllers are interleaving.\n", j, k);
|
|
if (j && (j != k)) {
|
|
for (i = first_ctrl; i <= last_ctrl; i++)
|
|
pinfo->memctl_opts[i].memctl_interleaving = 0;
|
|
if ((last_ctrl - first_ctrl) > 1)
|
|
puts("Not all controllers have compatible interleaving mode. All disabled.\n");
|
|
}
|
|
}
|
|
debug("Checking interleaving options completed\n");
|
|
}
|
|
|
|
int fsl_use_spd(void)
|
|
{
|
|
int use_spd = 0;
|
|
|
|
#ifdef CONFIG_DDR_SPD
|
|
char buffer[HWCONFIG_BUFFER_SIZE];
|
|
char *buf = NULL;
|
|
|
|
/*
|
|
* Extract hwconfig from environment since we have not properly setup
|
|
* the environment but need it for ddr config params
|
|
*/
|
|
if (getenv_f("hwconfig", buffer, sizeof(buffer)) > 0)
|
|
buf = buffer;
|
|
|
|
/* if hwconfig is not enabled, or "sdram" is not defined, use spd */
|
|
if (hwconfig_sub_f("fsl_ddr", "sdram", buf)) {
|
|
if (hwconfig_subarg_cmp_f("fsl_ddr", "sdram", "spd", buf))
|
|
use_spd = 1;
|
|
else if (hwconfig_subarg_cmp_f("fsl_ddr", "sdram",
|
|
"fixed", buf))
|
|
use_spd = 0;
|
|
else
|
|
use_spd = 1;
|
|
} else
|
|
use_spd = 1;
|
|
#endif
|
|
|
|
return use_spd;
|
|
}
|
|
|