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-rw-r--r--arch/powerpc/cpu/mpc85xx/ddr-gen3.c5
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c22
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/interactive.c12
-rw-r--r--arch/powerpc/include/asm/config_mpc85xx.h2
-rw-r--r--arch/powerpc/include/asm/fsl_ddr_sdram.h30
5 files changed, 68 insertions, 3 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c
index ca4ed62..088cf45 100644
--- a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c
+++ b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c
@@ -121,6 +121,11 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5);
out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl);
out_be32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl);
+ if (regs->ddr_wrlvl_cntl_2)
+ out_be32(&ddr->ddr_wrlvl_cntl_2, regs->ddr_wrlvl_cntl_2);
+ if (regs->ddr_wrlvl_cntl_3)
+ out_be32(&ddr->ddr_wrlvl_cntl_3, regs->ddr_wrlvl_cntl_3);
+
out_be32(&ddr->ddr_sr_cntr, regs->ddr_sr_cntr);
out_be32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1);
out_be32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2);
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
index 2592873..c28f9cd 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
@@ -451,8 +451,8 @@ static void set_timing_cfg_1(fsl_ddr_cfg_regs_t *ddr,
| ((caslat_ctrl & 0xF) << 16)
| ((refrec_ctrl & 0xF) << 12)
| ((wrrec_mclk & 0x0F) << 8)
- | ((acttoact_mclk & 0x07) << 4)
- | ((wrtord_mclk & 0x07) << 0)
+ | ((acttoact_mclk & 0x0F) << 4)
+ | ((wrtord_mclk & 0x0F) << 0)
);
debug("FSLDDR: timing_cfg_1 = 0x%08x\n", ddr->timing_cfg_1);
}
@@ -659,6 +659,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
unsigned int dqs_cfg; /* DQS configuration */
unsigned int odt_cfg = 0; /* ODT configuration */
unsigned int num_pr; /* Number of posted refreshes */
+ unsigned int slow = 0; /* DDR will be run less than 1250 */
unsigned int obc_cfg; /* On-The-Fly Burst Chop Cfg */
unsigned int ap_en; /* Address Parity Enable */
unsigned int d_init; /* DRAM data initialization */
@@ -692,6 +693,10 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
obc_cfg = 0;
#endif
+#if (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7)
+ slow = get_ddr_freq(0) < 1249000000;
+#endif
+
if (popts->registered_dimm_en) {
rcw_en = 1;
ap_en = popts->ap_en;
@@ -720,6 +725,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
| ((dqs_cfg & 0x3) << 26)
| ((odt_cfg & 0x3) << 21)
| ((num_pr & 0xf) << 12)
+ | ((slow & 1) << 11)
| (qd_en << 9)
| (unq_mrs_en << 8)
| ((obc_cfg & 0x1) << 6)
@@ -1347,6 +1353,11 @@ static void set_ddr_wrlvl_cntl(fsl_ddr_cfg_regs_t *ddr, unsigned int wrlvl_en,
| ((wrlvl_start & 0x1F) << 0)
);
debug("FSLDDR: wrlvl_cntl = 0x%08x\n", ddr->ddr_wrlvl_cntl);
+ ddr->ddr_wrlvl_cntl_2 = popts->wrlvl_ctl_2;
+ debug("FSLDDR: wrlvl_cntl_2 = 0x%08x\n", ddr->ddr_wrlvl_cntl_2);
+ ddr->ddr_wrlvl_cntl_3 = popts->wrlvl_ctl_3;
+ debug("FSLDDR: wrlvl_cntl_3 = 0x%08x\n", ddr->ddr_wrlvl_cntl_3);
+
}
/* DDR Self Refresh Counter (DDR_SR_CNTR) */
@@ -1370,6 +1381,12 @@ static void set_ddr_cdr1(fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts)
debug("FSLDDR: ddr_cdr1 = 0x%08x\n", ddr->ddr_cdr1);
}
+static void set_ddr_cdr2(fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts)
+{
+ ddr->ddr_cdr2 = popts->ddr_cdr2;
+ debug("FSLDDR: ddr_cdr2 = 0x%08x\n", ddr->ddr_cdr2);
+}
+
unsigned int
check_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
{
@@ -1569,6 +1586,7 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts,
cas_latency, additive_latency);
set_ddr_cdr1(ddr, popts);
+ set_ddr_cdr2(ddr, popts);
set_ddr_sdram_cfg(ddr, popts, common_dimm);
ip_rev = fsl_ddr_get_version();
if (ip_rev > 0x40400)
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c b/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c
index f59d105..cb71f94 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c
@@ -452,6 +452,8 @@ static void fsl_ddr_options_edit(fsl_ddr_info_t *pinfo,
CTRL_OPTIONS(rcw_override),
CTRL_OPTIONS(rcw_1),
CTRL_OPTIONS(rcw_2),
+ CTRL_OPTIONS(ddr_cdr1),
+ CTRL_OPTIONS(ddr_cdr2),
CTRL_OPTIONS(tCKE_clock_pulse_width_ps),
CTRL_OPTIONS(tFAW_window_four_activates_ps),
CTRL_OPTIONS(trwt_override),
@@ -518,6 +520,8 @@ static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
CFG_REGS(timing_cfg_5),
CFG_REGS(ddr_zq_cntl),
CFG_REGS(ddr_wrlvl_cntl),
+ CFG_REGS(ddr_wrlvl_cntl_2),
+ CFG_REGS(ddr_wrlvl_cntl_3),
CFG_REGS(ddr_sr_cntr),
CFG_REGS(ddr_sdram_rcw_1),
CFG_REGS(ddr_sdram_rcw_2),
@@ -525,6 +529,7 @@ static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
CFG_REGS(ddr_cdr2),
CFG_REGS(err_disable),
CFG_REGS(err_int_en),
+ CFG_REGS(ddr_eor),
};
static const unsigned int n_opts = ARRAY_SIZE(options);
@@ -584,6 +589,8 @@ static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo,
CFG_REGS(timing_cfg_5),
CFG_REGS(ddr_zq_cntl),
CFG_REGS(ddr_wrlvl_cntl),
+ CFG_REGS(ddr_wrlvl_cntl_2),
+ CFG_REGS(ddr_wrlvl_cntl_3),
CFG_REGS(ddr_sr_cntr),
CFG_REGS(ddr_sdram_rcw_1),
CFG_REGS(ddr_sdram_rcw_2),
@@ -593,7 +600,7 @@ static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo,
CFG_REGS(err_int_en),
CFG_REGS(ddr_sdram_rcw_2),
CFG_REGS(ddr_sdram_rcw_2),
-
+ CFG_REGS(ddr_eor),
};
static const unsigned int n_opts = ARRAY_SIZE(options);
@@ -689,6 +696,8 @@ static void print_memctl_options(const memctl_options_t *popts)
CTRL_OPTIONS(rcw_override),
CTRL_OPTIONS(rcw_1),
CTRL_OPTIONS(rcw_2),
+ CTRL_OPTIONS_HEX(ddr_cdr1),
+ CTRL_OPTIONS_HEX(ddr_cdr2),
CTRL_OPTIONS(tCKE_clock_pulse_width_ps),
CTRL_OPTIONS(tFAW_window_four_activates_ps),
CTRL_OPTIONS(trwt_override),
@@ -1597,6 +1606,7 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo)
* doesn't return
*/
do_reset(NULL, 0, 0, NULL);
+ printf("Reset didn't work\n");
}
if (strcmp(argv[0], "recompute") == 0) {
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index c63f9e5..ba13ddf 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -27,6 +27,8 @@
#error "Do not define CONFIG_SYS_CCSRBAR_DEFAULT in the board header file."
#endif
+#define FSL_DDR_VER_4_7 47
+
/* Number of TLB CAM entries we have on FSL Book-E chips */
#if defined(CONFIG_E500MC)
#define CONFIG_SYS_NUM_TLBCAMS 64
diff --git a/arch/powerpc/include/asm/fsl_ddr_sdram.h b/arch/powerpc/include/asm/fsl_ddr_sdram.h
index e271342..9cf9bd4 100644
--- a/arch/powerpc/include/asm/fsl_ddr_sdram.h
+++ b/arch/powerpc/include/asm/fsl_ddr_sdram.h
@@ -145,6 +145,31 @@ typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
/* DDR_CDR1 */
#define DDR_CDR1_DHC_EN 0x80000000
+#define DDR_CDR1_ODT_SHIFT 17
+#define DDR_CDR1_ODT_MASK 0x6
+#define DDR_CDR2_ODT_MASK 0x1
+#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
+#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
+
+#if (defined(CONFIG_SYS_FSL_DDR_VER) && \
+ (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
+#define DDR_CDR_ODT_OFF 0x0
+#define DDR_CDR_ODT_120ohm 0x1
+#define DDR_CDR_ODT_180ohm 0x2
+#define DDR_CDR_ODT_75ohm 0x3
+#define DDR_CDR_ODT_110ohm 0x4
+#define DDR_CDR_ODT_60hm 0x5
+#define DDR_CDR_ODT_70ohm 0x6
+#define DDR_CDR_ODT_47ohm 0x7
+#else
+#define DDR_CDR_ODT_75ohm 0x0
+#define DDR_CDR_ODT_55ohm 0x1
+#define DDR_CDR_ODT_60ohm 0x2
+#define DDR_CDR_ODT_50ohm 0x3
+#define DDR_CDR_ODT_150ohm 0x4
+#define DDR_CDR_ODT_43ohm 0x5
+#define DDR_CDR_ODT_120ohm 0x6
+#endif
/* Record of register values computed */
typedef struct fsl_ddr_cfg_regs_s {
@@ -177,6 +202,8 @@ typedef struct fsl_ddr_cfg_regs_s {
unsigned int timing_cfg_5;
unsigned int ddr_zq_cntl;
unsigned int ddr_wrlvl_cntl;
+ unsigned int ddr_wrlvl_cntl_2;
+ unsigned int ddr_wrlvl_cntl_3;
unsigned int ddr_sr_cntr;
unsigned int ddr_sdram_rcw_1;
unsigned int ddr_sdram_rcw_2;
@@ -262,6 +289,8 @@ typedef struct memctl_options_s {
unsigned int wrlvl_override;
unsigned int wrlvl_sample; /* Write leveling */
unsigned int wrlvl_start;
+ unsigned int wrlvl_ctl_2;
+ unsigned int wrlvl_ctl_3;
unsigned int half_strength_driver_enable;
unsigned int twoT_en;
@@ -288,6 +317,7 @@ typedef struct memctl_options_s {
unsigned int rcw_2;
/* control register 1 */
unsigned int ddr_cdr1;
+ unsigned int ddr_cdr2;
unsigned int trwt_override;
unsigned int trwt; /* read-to-write turnaround */
generated by cgit v0.10.2 at 2024-07-07 06:23:09 (GMT)