powerpc/p2020ds: Integrated with P2020DS DDR change and enabled hwconfig
Enabled SPD
Enabled DDR2
Enabled hwconfig
Signed-off-by: York Sun <yorksun@freescale.com>
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 @@
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 @@
* 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 @@
* 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 @@
* - 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 @@
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 @@
return dram_size;
}
-#if !defined(CONFIG_SPD_EEPROM)
+#if !defined(CONFIG_DDR_SPD)
/*
* Fixed sdram init -- doesn't use serial presence detect.
*/