From: york yorksun@freescale.com
Enabled SPD Enabled DDR2 Enabled hwconfig
Signed-off-by: York Sun yorksun@freescale.com --- Makefile | 1 + board/freescale/p2020ds/ddr.c | 56 ++++++++++++++++++------------------- board/freescale/p2020ds/p2020ds.c | 7 +++- include/configs/P2020DS.h | 6 ++++ 4 files changed, 39 insertions(+), 31 deletions(-)
diff --git a/Makefile b/Makefile index 9cf58bd..82d2c25 100644 --- a/Makefile +++ b/Makefile @@ -1781,6 +1781,7 @@ P2010RDB_config \ P2010RDB_NAND_config \ P2010RDB_SDCARD_config \ P2010RDB_SPIFLASH_config \ +P2020DS_DDR2_config \ P2020RDB_config \ P2020RDB_NAND_config \ P2020RDB_SDCARD_config \ diff --git a/board/freescale/p2020ds/ddr.c b/board/freescale/p2020ds/ddr.c index b9c0cb2..30d640f 100644 --- a/board/freescale/p2020ds/ddr.c +++ b/board/freescale/p2020ds/ddr.c @@ -12,7 +12,7 @@ #include <asm/fsl_ddr_sdram.h> #include <asm/fsl_ddr_dimm_params.h>
-static void get_spd(ddr3_spd_eeprom_t *spd, unsigned char i2c_address) +static void get_spd(generic_spd_eeprom_t *spd, unsigned char i2c_address) { i2c_read(i2c_address, 0, 1, (uchar *)spd, sizeof(ddr3_spd_eeprom_t)); } @@ -22,7 +22,7 @@ unsigned int fsl_ddr_get_mem_data_rate(void) return get_ddr_freq(0); }
-void fsl_ddr_get_spd(ddr3_spd_eeprom_t *ctrl_dimms_spd, +void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd, unsigned int ctrl_num) { unsigned int i; @@ -51,27 +51,26 @@ typedef struct { * cpo 2-0x1E (30) */
- -/* XXX: these values need to be checked for all interleaving modes. */ -/* XXX: No reliable dual-rank 800 MHz setting has been found. It may - * seem reliable, but errors will appear when memory intensive - * program is run. */ -/* XXX: Single rank at 800 MHz is OK. */ const board_specific_parameters_t board_specific_parameters[][20] = { { /* memory controller 0 */ /* lo| hi| num| clk| cpo|wrdata|2T */ /* mhz| mhz|ranks|adjst| | delay| */ - { 0, 333, 2, 6, 7, 3, 0}, - {334, 400, 2, 6, 9, 3, 0}, - {401, 549, 2, 6, 11, 3, 0}, - {550, 680, 2, 1, 10, 5, 0}, - {681, 850, 2, 1, 12, 5, 1}, - { 0, 333, 1, 6, 7, 3, 0}, - {334, 400, 1, 6, 9, 3, 0}, - {401, 549, 1, 6, 11, 3, 0}, - {550, 680, 1, 1, 10, 5, 0}, - {681, 850, 1, 1, 12, 5, 0} +#ifdef CONFIG_FSL_DDR2 + { 0, 333, 2, 4, 0x1f, 2, 0}, + {334, 400, 2, 4, 0x1f, 2, 0}, + {401, 549, 2, 4, 0x1f, 2, 0}, + {550, 680, 2, 4, 0x1f, 3, 0}, + {681, 850, 2, 4, 0x1f, 4, 0}, + { 0, 333, 1, 4, 0x1f, 2, 0}, + {334, 400, 1, 4, 0x1f, 2, 0}, + {401, 549, 1, 4, 0x1f, 2, 0}, + {550, 680, 1, 4, 0x1f, 3, 0}, + {681, 850, 1, 4, 0x1f, 4, 0} +#else + { 0, 850, 2, 4, 0x1f, 4, 0}, + { 0, 850, 1, 4, 0x1f, 4, 0} +#endif }, };
@@ -92,18 +91,8 @@ void fsl_ddr_board_options(memctl_options_t *popts, * odt_wr_cfg to 3 for the even CS, 0 for the odd CS. */ for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { - if (i&1) { /* odd CS */ popts->cs_local_opts[i].odt_rd_cfg = 0; - popts->cs_local_opts[i].odt_wr_cfg = 0; - } else { /* even CS */ - if (CONFIG_DIMM_SLOTS_PER_CTLR == 1) { - popts->cs_local_opts[i].odt_rd_cfg = 0; - popts->cs_local_opts[i].odt_wr_cfg = 4; - } else if (CONFIG_DIMM_SLOTS_PER_CTLR == 2) { - popts->cs_local_opts[i].odt_rd_cfg = 3; - popts->cs_local_opts[i].odt_wr_cfg = 3; - } - } + popts->cs_local_opts[i].odt_wr_cfg = 1; }
/* Get clk_adjust, cpo, write_data_delay,2T, according to the board ddr @@ -127,4 +116,13 @@ void fsl_ddr_board_options(memctl_options_t *popts, * - number of DIMMs installed */ popts->half_strength_driver_enable = 0; + popts->wrlvl_en = 1; + /* Write leveling override */ + popts->wrlvl_override = 1; + popts->wrlvl_sample = 0xa; + popts->wrlvl_start = 0x7; + /* Rtt and Rtt_WR override */ + popts->rtt_override = 1; + popts->rtt_override_value = DDR3_RTT_120_OHM; + popts->rtt_wr_override_value = 0; /* Rtt_WR= dynamic ODT off */ } diff --git a/board/freescale/p2020ds/p2020ds.c b/board/freescale/p2020ds/p2020ds.c index 3fd1b34..608ff91 100644 --- a/board/freescale/p2020ds/p2020ds.c +++ b/board/freescale/p2020ds/p2020ds.c @@ -69,13 +69,16 @@ int checkboard(void) return 0; }
+const char *board_hwconfig = "foo:bar=baz"; +const char *cpu_hwconfig = "foo:bar=baz"; + phys_size_t initdram(int board_type) { phys_size_t dram_size = 0;
puts("Initializing....");
-#ifdef CONFIG_SPD_EEPROM +#ifdef CONFIG_DDR_SPD dram_size = fsl_ddr_sdram(); #else dram_size = fixed_sdram(); @@ -94,7 +97,7 @@ phys_size_t initdram(int board_type) return dram_size; }
-#if !defined(CONFIG_SPD_EEPROM) +#if !defined(CONFIG_DDR_SPD) /* * Fixed sdram init -- doesn't use serial presence detect. */ diff --git a/include/configs/P2020DS.h b/include/configs/P2020DS.h index e70c673..ee21d8b 100644 --- a/include/configs/P2020DS.h +++ b/include/configs/P2020DS.h @@ -92,7 +92,11 @@
/* DDR Setup */ #define CONFIG_VERY_BIG_RAM +#ifdef CONFIG_MK_DDR2 +#define CONFIG_FSL_DDR2 +#else #define CONFIG_FSL_DDR3 1 +#endif #undef CONFIG_FSL_DDR_INTERACTIVE
/* ECC will be enabled based on perf_mode environment variable */ @@ -109,6 +113,7 @@ #define CONFIG_CHIP_SELECTS_PER_CTRL 2
/* I2C addresses of SPD EEPROMs */ +#define CONFIG_DDR_SPD #define CONFIG_SYS_SPD_BUS_NUM 0 /* SPD EEPROM located on I2C bus 0 */ #define SPD_EEPROM_ADDRESS1 0x51 /* CTLR 0 DIMM 0 */
@@ -228,6 +233,7 @@
#define CONFIG_BOARD_EARLY_INIT_R /* call board_early_init_r function */
+#define CONFIG_HWCONFIG /* enable hwconfig */ #define CONFIG_FSL_NGPIXIS /* use common ngPIXIS code */
#ifdef CONFIG_FSL_NGPIXIS