X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Ffreescale%2Ft102xrdb%2Fddr.c;h=edfbdbf3a814e65b1fe3fd246b51f2fa38c9f5fd;hb=c5938c10ef70c9b713415cc053b464a64f7c05f8;hp=a20330b1d013c21a9dca54f3f9987c59b9c41372;hpb=d51aae64236878b72283bd135df716e30f7f5ded;p=u-boot

diff --git a/board/freescale/t102xrdb/ddr.c b/board/freescale/t102xrdb/ddr.c
index a20330b1d0..edfbdbf3a8 100644
--- a/board/freescale/t102xrdb/ddr.c
+++ b/board/freescale/t102xrdb/ddr.c
@@ -11,6 +11,7 @@
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>
 #include <asm/fsl_law.h>
+#include <asm/mpc85xx_gpio.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -33,12 +34,12 @@ static const struct board_specific_parameters udimm0[] = {
 	 *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl |
 	 * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3  |
 	 */
-	{2,  833,   0,  4,  6,  0x06060607,  0x08080807,},
-	{2,  1350,  0,  4,  7,  0x0708080A,  0x0A0B0C09,},
-	{2,  1666,  0,  4,  7,  0x0808090B,  0x0C0D0E0A,},
-	{1,  833,   0,  4,  6,  0x06060607,  0x08080807,},
-	{1,  1350,  0,  4,  7,  0x0708080A,  0x0A0B0C09,},
-	{1,  1666,  0,  4,  7,  0x0808090B,  0x0C0D0E0A,},
+	{2,  833,   0,  8,  6,  0x06060607,  0x08080807,},
+	{2,  1350,  0,  8,  7,  0x0708080A,  0x0A0B0C09,},
+	{2,  1666,  0,  8,  7,  0x0808090B,  0x0C0D0E0A,},
+	{1,  833,   0,  8,  6,  0x06060607,  0x08080807,},
+	{1,  1350,  0,  8,  7,  0x0708080A,  0x0A0B0C09,},
+	{1,  1666,  0,  8,  7,  0x0808090B,  0x0C0D0E0A,},
 	{}
 };
 
@@ -134,21 +135,115 @@ found:
 	/* for DDR bus 32bit test on T1024 */
 	popts->data_bus_width = DDR_DATA_BUS_WIDTH_32;
 #endif
+
+#ifdef CONFIG_T1023RDB
+	popts->wrlvl_ctl_2 = 0x07070606;
+	popts->half_strength_driver_enable = 1;
+#endif
 }
 
+#ifdef CONFIG_SYS_DDR_RAW_TIMING
+/* 2GB discrete DDR4 MT40A512M8HX on T1023RDB */
+dimm_params_t ddr_raw_timing = {
+	.n_ranks = 1,
+	.rank_density = 0x80000000,
+	.capacity = 0x80000000,
+	.primary_sdram_width = 32,
+	.ec_sdram_width = 8,
+	.registered_dimm = 0,
+	.mirrored_dimm = 0,
+	.n_row_addr = 15,
+	.n_col_addr = 10,
+	.bank_addr_bits = 2,
+	.bank_group_bits = 2,
+	.edc_config = 0,
+	.burst_lengths_bitmask = 0x0c,
+	.tckmin_x_ps = 938,
+	.tckmax_ps = 1500,
+	.caslat_x = 0x000DFA00,
+	.taa_ps = 13500,
+	.trcd_ps = 13500,
+	.trp_ps = 13500,
+	.tras_ps = 33000,
+	.trc_ps = 46500,
+	.trfc1_ps = 260000,
+	.trfc2_ps = 160000,
+	.trfc4_ps = 110000,
+	.tfaw_ps = 25000,
+	.trrds_ps = 3700,
+	.trrdl_ps = 5300,
+	.tccdl_ps = 5355,
+	.refresh_rate_ps = 7800000,
+	.dq_mapping[0] = 0x0,
+	.dq_mapping[1] = 0x0,
+	.dq_mapping[2] = 0x0,
+	.dq_mapping[3] = 0x0,
+	.dq_mapping[4] = 0x0,
+	.dq_mapping[5] = 0x0,
+	.dq_mapping[6] = 0x0,
+	.dq_mapping[7] = 0x0,
+	.dq_mapping[8] = 0x0,
+	.dq_mapping[9] = 0x0,
+	.dq_mapping[10] = 0x0,
+	.dq_mapping[11] = 0x0,
+	.dq_mapping[12] = 0x0,
+	.dq_mapping[13] = 0x0,
+	.dq_mapping[14] = 0x0,
+	.dq_mapping[15] = 0x0,
+	.dq_mapping[16] = 0x0,
+	.dq_mapping[17] = 0x0,
+	.dq_mapping_ors = 1,
+};
+
+int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
+		unsigned int controller_number,
+		unsigned int dimm_number)
+{
+	const char dimm_model[] = "Fixed DDR4 on board";
+
+	if (((controller_number == 0) && (dimm_number == 0)) ||
+	    ((controller_number == 1) && (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;
+}
+#endif
+
+#if defined(CONFIG_DEEP_SLEEP)
+void board_mem_sleep_setup(void)
+{
+	void __iomem *cpld_base = (void *)CONFIG_SYS_CPLD_BASE;
+
+	/* does not provide HW signals for power management */
+	clrbits_8(cpld_base + 0x17, 0x40);
+	/* Disable MCKE isolation */
+	gpio_set_value(2, 0);
+	udelay(1);
+}
+#endif
+
 phys_size_t initdram(int board_type)
 {
 	phys_size_t dram_size;
 
 #if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_RAMBOOT_PBL)
+#ifndef CONFIG_SYS_DDR_RAW_TIMING
 	puts("Initializing....using SPD\n");
-
+#endif
 	dram_size = fsl_ddr_sdram();
-	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
-	dram_size *= 0x100000;
 #else
 	/* DDR has been initialised by first stage boot loader */
 	dram_size =  fsl_ddr_sdram_size();
 #endif
+	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+	dram_size *= 0x100000;
+
+#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
+	fsl_dp_resume();
+#endif
+
 	return dram_size;
 }