powerpc/85xx: Add P1023RDB board support
P1023RDB Specification:
-----------------------
Memory subsystem:
512MB DDR3 (Fixed DDR on board)
64MB NOR flash
128MB NAND flash
Ethernet:
eTSEC1: Connected to Atheros AR8035 GETH PHY
eTSEC2: Connected to Atheros AR8035 GETH PHY
PCIe:
Three mini-PCIe slots
USB:
Two USB2.0 Type A ports
I2C:
AT24C08 8K Board EEPROM (8 bit address)
Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/board/freescale/p1023rdb/ddr.c b/board/freescale/p1023rdb/ddr.c
new file mode 100644
index 0000000..7ed275a
--- /dev/null
+++ b/board/freescale/p1023rdb/ddr.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/mmu.h>
+#include <asm/immap_85xx.h>
+#include <asm/processor.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_ddr_dimm_params.h>
+#include <asm/io.h>
+#include <asm/fsl_law.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* CONFIG_SYS_DDR_RAW_TIMING */
+/*
+ * Hynix H5TQ1G83TFR-H9C
+ */
+dimm_params_t ddr_raw_timing = {
+ .n_ranks = 1,
+ .rank_density = 536870912u,
+ .capacity = 536870912u,
+ .primary_sdram_width = 32,
+ .ec_sdram_width = 0,
+ .registered_dimm = 0,
+ .mirrored_dimm = 0,
+ .n_row_addr = 14,
+ .n_col_addr = 10,
+ .n_banks_per_sdram_device = 8,
+ .edc_config = 0,
+ .burst_lengths_bitmask = 0x0c,
+
+ .tCKmin_X_ps = 1875,
+ .caslat_X = 0x1e << 4, /* 5,6,7,8 */
+ .tAA_ps = 13125,
+ .tWR_ps = 18000,
+ .tRCD_ps = 13125,
+ .tRRD_ps = 7500,
+ .tRP_ps = 13125,
+ .tRAS_ps = 37500,
+ .tRC_ps = 50625,
+ .tRFC_ps = 160000,
+ .tWTR_ps = 7500,
+ .tRTP_ps = 7500,
+ .refresh_rate_ps = 7800000,
+ .tFAW_ps = 37500,
+};
+
+int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
+ unsigned int controller_number,
+ unsigned int dimm_number)
+{
+ const char dimm_model[] = "Fixed DDR on board";
+
+ if ((controller_number == 0) && (dimm_number == 0)) {
+ memcpy(pdimm, &ddr_raw_timing, sizeof(dimm_params_t));
+ memset(pdimm->mpart, 0, sizeof(pdimm->mpart));
+ memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1);
+ }
+
+ return 0;
+}
+
+void fsl_ddr_board_options(memctl_options_t *popts,
+ dimm_params_t *pdimm,
+ unsigned int ctrl_num)
+{
+ int i;
+ popts->clk_adjust = 6;
+ popts->cpo_override = 0x1f;
+ popts->write_data_delay = 2;
+ popts->half_strength_driver_enable = 1;
+ /* Write leveling override */
+ popts->wrlvl_en = 1;
+ popts->wrlvl_override = 1;
+ popts->wrlvl_sample = 0xf;
+ popts->wrlvl_start = 0x8;
+ popts->trwt_override = 1;
+ popts->trwt = 0;
+
+ for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+ popts->cs_local_opts[i].odt_rd_cfg = FSL_DDR_ODT_NEVER;
+ popts->cs_local_opts[i].odt_wr_cfg = FSL_DDR_ODT_CS;
+ }
+}
+