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-rw-r--r--board/freescale/t1040qds/ddr.c17
-rw-r--r--board/freescale/t1040qds/ddr.h37
-rw-r--r--board/freescale/t1040qds/t1040qds.c39
3 files changed, 66 insertions, 27 deletions
diff --git a/board/freescale/t1040qds/ddr.c b/board/freescale/t1040qds/ddr.c
index da89a36b96..43f952f9c0 100644
--- a/board/freescale/t1040qds/ddr.c
+++ b/board/freescale/t1040qds/ddr.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2013 Freescale Semiconductor, Inc.
+ * Copyright 2013-2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
@@ -39,14 +39,10 @@ void fsl_ddr_board_options(memctl_options_t *popts,
if (pbsp->n_ranks == pdimm->n_ranks &&
(pdimm->rank_density >> 30) >= pbsp->rank_gb) {
if (ddr_freq <= pbsp->datarate_mhz_high) {
- popts->cpo_override = pbsp->cpo;
- popts->write_data_delay =
- pbsp->write_data_delay;
popts->clk_adjust = pbsp->clk_adjust;
popts->wrlvl_start = pbsp->wrlvl_start;
popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2;
popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3;
- popts->twot_en = pbsp->force_2t;
goto found;
}
pbsp_highest = pbsp;
@@ -59,13 +55,10 @@ void fsl_ddr_board_options(memctl_options_t *popts,
printf("for data rate %lu MT/s\n", ddr_freq);
printf("Trying to use the highest speed (%u) parameters\n",
pbsp_highest->datarate_mhz_high);
- popts->cpo_override = pbsp_highest->cpo;
- popts->write_data_delay = pbsp_highest->write_data_delay;
popts->clk_adjust = pbsp_highest->clk_adjust;
popts->wrlvl_start = pbsp_highest->wrlvl_start;
popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2;
popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3;
- popts->twot_en = pbsp_highest->force_2t;
} else {
panic("DIMM is not supported by this board");
}
@@ -81,7 +74,7 @@ found:
* Factors to consider for half-strength driver enable:
* - number of DIMMs installed
*/
- popts->half_strength_driver_enable = 0;
+ popts->half_strength_driver_enable = 1;
/*
* Write leveling override
*/
@@ -97,8 +90,14 @@ found:
popts->zq_en = 1;
/* DHC_EN =1, ODT = 75 Ohm */
+#ifdef CONFIG_SYS_FSL_DDR4
+ popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_80ohm);
+ popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_80ohm) |
+ DDR_CDR2_VREF_OVRD(70); /* Vref = 70% */
+#else
popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm);
popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
+#endif
}
phys_size_t initdram(int board_type)
diff --git a/board/freescale/t1040qds/ddr.h b/board/freescale/t1040qds/ddr.h
index afa72af26a..a6e1673525 100644
--- a/board/freescale/t1040qds/ddr.h
+++ b/board/freescale/t1040qds/ddr.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2013 Freescale Semiconductor, Inc.
+ * Copyright 2013-2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
@@ -14,9 +14,6 @@ struct board_specific_parameters {
u32 wrlvl_start;
u32 wrlvl_ctl_2;
u32 wrlvl_ctl_3;
- u32 cpo;
- u32 write_data_delay;
- u32 force_2t;
};
/*
@@ -28,21 +25,25 @@ struct board_specific_parameters {
static const struct board_specific_parameters udimm0[] = {
/*
* memory controller 0
- * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | cpo |wrdata|2T
- * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |delay |
+ * num| hi| rank| clk| wrlvl | wrlvl | wrlvl |
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3 |
*/
- {2, 833, 4, 4, 6, 0x06060607, 0x08080807, 0xff, 2, 0},
- {2, 833, 0, 4, 6, 0x06060607, 0x08080807, 0xff, 2, 0},
- {2, 1350, 4, 4, 7, 0x0708080A, 0x0A0B0C09, 0xff, 2, 0},
- {2, 1350, 0, 4, 7, 0x0708080A, 0x0A0B0C09, 0xff, 2, 0},
- {2, 1666, 4, 4, 7, 0x0808090B, 0x0C0D0E0A, 0xff, 2, 0},
- {2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A, 0xff, 2, 0},
- {1, 833, 4, 4, 6, 0x06060607, 0x08080807, 0xff, 2, 0},
- {1, 833, 0, 4, 6, 0x06060607, 0x08080807, 0xff, 2, 0},
- {1, 1350, 4, 4, 7, 0x0708080A, 0x0A0B0C09, 0xff, 2, 0},
- {1, 1350, 0, 4, 7, 0x0708080A, 0x0A0B0C09, 0xff, 2, 0},
- {1, 1666, 4, 4, 7, 0x0808090B, 0x0C0D0E0A, 0xff, 2, 0},
- {1, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A, 0xff, 2, 0},
+#ifdef CONFIG_SYS_FSL_DDR4
+ {2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,},
+ {2, 1900, 0, 4, 6, 0x08080A0C, 0x0D0E0F0A,},
+ {1, 1666, 0, 4, 6, 0x0708090B, 0x0C0D0E09,},
+ {1, 1900, 0, 4, 6, 0x08080A0C, 0x0D0E0F0A,},
+ {1, 2200, 0, 4, 7, 0x08090A0D, 0x0F0F100C,},
+#elif defined(CONFIG_SYS_FSL_DDR3)
+ {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,},
+#else
+#error DDR type not defined
+#endif
{}
};
diff --git a/board/freescale/t1040qds/t1040qds.c b/board/freescale/t1040qds/t1040qds.c
index 3dec4473e5..0e83d172da 100644
--- a/board/freescale/t1040qds/t1040qds.c
+++ b/board/freescale/t1040qds/t1040qds.c
@@ -18,6 +18,8 @@
#include <asm/fsl_portals.h>
#include <asm/fsl_liodn.h>
#include <fm_eth.h>
+#include <hwconfig.h>
+#include <asm/mpc85xx_gpio.h>
#include "../common/qixis.h"
#include "t1040qds.h"
@@ -89,6 +91,30 @@ int select_i2c_ch_pca9547(u8 ch)
return 0;
}
+static void qe_board_setup(void)
+{
+ u8 brdcfg15, brdcfg9;
+
+ if (hwconfig("qe") && hwconfig("tdm")) {
+ brdcfg15 = QIXIS_READ(brdcfg[15]);
+ /*
+ * TDMRiser uses QE-TDM
+ * Route QE_TDM signals to TDM Riser slot
+ */
+ QIXIS_WRITE(brdcfg[15], brdcfg15 | 7);
+ } else if (hwconfig("qe") && hwconfig("uart")) {
+ brdcfg15 = QIXIS_READ(brdcfg[15]);
+ brdcfg9 = QIXIS_READ(brdcfg[9]);
+ /*
+ * Route QE_TDM signals to UCC
+ * ProfiBus controlled by UCC3
+ */
+ brdcfg15 &= 0xfc;
+ QIXIS_WRITE(brdcfg[15], brdcfg15 | 2);
+ QIXIS_WRITE(brdcfg[9], brdcfg9 | 4);
+ }
+}
+
int board_early_init_r(void)
{
#ifdef CONFIG_SYS_FLASH_BASE
@@ -196,6 +222,8 @@ int misc_init_r(void)
}
}
+ qe_board_setup();
+
return 0;
}
@@ -245,3 +273,14 @@ int board_need_mem_reset(void)
{
return 1;
}
+
+#ifdef CONFIG_DEEP_SLEEP
+void board_mem_sleep_setup(void)
+{
+ /* does not provide HW signals for power management */
+ QIXIS_WRITE(pwr_ctl[1], (QIXIS_READ(pwr_ctl[1]) & ~0x2));
+ /* Disable MCKE isolation */
+ gpio_set_value(2, 0);
+ udelay(1);
+}
+#endif
generated by cgit (git 2.34.1) at 2024-12-28 14:20:09 +0000