#define SDRAM_DDR2 2
#define SDRAM_NONE 0
-#define MAXDIMMS 2
-#define MAXRANKS 4
+#define MAXDIMMS 2
+#define MAXRANKS 4
#define MAXBXCF 4
#define MAX_SPD_BYTES 256 /* Max number of bytes on the DIMM's SPD EEPROM */
#define MY_TLB_WORD2_I_ENABLE TLB_WORD2_I_ENABLE /* disable caching on SDRAM */
#endif
-#if defined(CONFIG_PPC4xx_USE_SPD_DDR_INIT_HANG)
-extern void spd_ddr_init_hang (void);
-#define HANG() spd_ddr_init_hang()
-#else
-#define HANG() hang()
-#endif
+/*
+ * Board-specific Platform code can reimplement spd_ddr_init_hang () if needed
+ */
+void __spd_ddr_init_hang (void)
+{
+ hang ();
+}
+void spd_ddr_init_hang (void) __attribute__((weak, alias("__spd_ddr_init_hang")));
+
/* Private Structure Definitions */
* Prototypes
*-----------------------------------------------------------------------------*/
static unsigned long sdram_memsize(void);
-void program_tlb(u32 start, u32 size, u32 tlb_word2_i_value);
+void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value);
static void get_spd_info(unsigned long *dimm_populated,
unsigned char *iic0_dimm_addr,
unsigned long num_dimm_banks);
dram_size = sdram_memsize();
/* and program tlb entries for this size (dynamic) */
- program_tlb(0, dram_size, MY_TLB_WORD2_I_ENABLE);
+ program_tlb(0, 0, dram_size, MY_TLB_WORD2_I_ENABLE);
/*------------------------------------------------------------------
* DQS calibration.
if (dimm_found == FALSE) {
printf("ERROR - No memory installed. Install a DDR-SDRAM DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
}
}
"slot %d.\n", (unsigned int)dimm_num);
printf("Only DDR and DDR2 SDRAM DIMMs are supported.\n");
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
break;
case 2:
printf("ERROR: EDO DIMM detected in slot %d.\n",
(unsigned int)dimm_num);
printf("Only DDR and DDR2 SDRAM DIMMs are supported.\n");
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
break;
case 3:
printf("ERROR: Pipelined Nibble DIMM detected in slot %d.\n",
(unsigned int)dimm_num);
printf("Only DDR and DDR2 SDRAM DIMMs are supported.\n");
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
break;
case 4:
printf("ERROR: SDRAM DIMM detected in slot %d.\n",
(unsigned int)dimm_num);
printf("Only DDR and DDR2 SDRAM DIMMs are supported.\n");
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
break;
case 5:
printf("ERROR: Multiplexed ROM DIMM detected in slot %d.\n",
(unsigned int)dimm_num);
printf("Only DDR and DDR2 SDRAM DIMMs are supported.\n");
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
break;
case 6:
printf("ERROR: SGRAM DIMM detected in slot %d.\n",
(unsigned int)dimm_num);
printf("Only DDR and DDR2 SDRAM DIMMs are supported.\n");
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
break;
case 7:
debug("DIMM slot %d: DDR1 SDRAM detected\n", dimm_num);
(unsigned int)dimm_num);
printf("Only DDR1 and DDR2 SDRAM DIMMs are supported.\n");
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
break;
}
}
&& (dimm_populated[dimm_num] != SDRAM_NONE)
&& (dimm_populated[dimm_num-1] != dimm_populated[dimm_num])) {
printf("ERROR: DIMM's DDR1 and DDR2 type can not be mixed.\n");
- HANG();
+ spd_ddr_init_hang ();
}
}
}
(unsigned int)(calc_cycle_time*10));
printf("Replace the DIMM, or change DDR frequency via "
"strapping bits.\n\n");
- HANG();
+ spd_ddr_init_hang ();
}
}
}
"slot %d is not supported.\n", dimm_rank, dimm_num);
printf("Only %d ranks are supported for all DIMM.\n", MAXRANKS);
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
} else
total_rank += dimm_rank;
}
"for all slots.\n", (unsigned int)total_rank);
printf("Only %d ranks are supported for all DIMM.\n", MAXRANKS);
printf("Remove one of the DIMM modules.\n\n");
- HANG();
+ spd_ddr_init_hang ();
}
}
}
printf("This DIMM is 5.0 Volt/TTL.\n");
printf("Replace the DIMM module in slot %d with a supported DIMM.\n\n",
(unsigned int)dimm_num);
- HANG();
+ spd_ddr_init_hang ();
break;
case 0x01:
printf("ERROR: Only DIMMs DDR 2.5V or DDR2 1.8V are supported.\n");
printf("This DIMM is LVTTL.\n");
printf("Replace the DIMM module in slot %d with a supported DIMM.\n\n",
(unsigned int)dimm_num);
- HANG();
+ spd_ddr_init_hang ();
break;
case 0x02:
printf("ERROR: Only DIMMs DDR 2.5V or DDR2 1.8V are supported.\n");
printf("This DIMM is 1.5 Volt.\n");
printf("Replace the DIMM module in slot %d with a supported DIMM.\n\n",
(unsigned int)dimm_num);
- HANG();
+ spd_ddr_init_hang ();
break;
case 0x03:
printf("ERROR: Only DIMMs DDR 2.5V or DDR2 1.8V are supported.\n");
printf("This DIMM is 3.3 Volt/TTL.\n");
printf("Replace the DIMM module in slot %d with a supported DIMM.\n\n",
(unsigned int)dimm_num);
- HANG();
+ spd_ddr_init_hang ();
break;
case 0x04:
/* 2.5 Voltage only for DDR1 */
printf("ERROR: Only DIMMs DDR 2.5V or DDR2 1.8V are supported.\n");
printf("Replace the DIMM module in slot %d with a supported DIMM.\n\n",
(unsigned int)dimm_num);
- HANG();
+ spd_ddr_init_hang ();
break;
}
}
if ((dimm_populated[0] != SDRAM_NONE) && (dimm_populated[1] != SDRAM_NONE)) {
if (buf0 != buf1) {
printf("ERROR: DIMM's buffered/unbuffered, registered, clocking don't match.\n");
- HANG();
+ spd_ddr_init_hang ();
}
}
if ((dimm_64bit == TRUE) && (dimm_32bit == TRUE)) {
printf("ERROR: Cannot mix 32 bit and 64 bit DDR-SDRAM DIMMs together.\n");
- HANG();
+ spd_ddr_init_hang ();
}
else if ((dimm_64bit == TRUE) && (dimm_32bit == FALSE)) {
mcopt1 |= SDRAM_MCOPT1_DMWD_64;
mcopt1 |= SDRAM_MCOPT1_DMWD_32;
} else {
printf("ERROR: Please install only 32 or 64 bit DDR-SDRAM DIMMs.\n\n");
- HANG();
+ spd_ddr_init_hang ();
}
if (ecc_enabled == TRUE)
break;
default:
printf("ERROR: ucode error on selected_cas value %d", selected_cas);
- HANG();
+ spd_ddr_init_hang ();
break;
}
break;
default:
printf("ERROR: write recovery not support (%d)", write_recovery);
- HANG();
+ spd_ddr_init_hang ();
break;
}
#else
ods = ODS_REDUCED;
} else {
printf("ERROR: Unsupported number of DIMM's (%d)", total_dimm);
- HANG();
+ spd_ddr_init_hang ();
}
mr = CMD_EMR | SELECT_MR | BURST_LEN_4 | wr | cas;
mtsdram(SDRAM_INITPLR13, 0x80800000 | emr); /* EMR OCD Exit */
} else {
printf("ERROR: ucode error as unknown DDR type in program_initplr");
- HANG();
+ spd_ddr_init_hang ();
}
}
} else {
printf("ERROR: SPD reported Tcyc is incorrect for DIMM "
"in slot %d\n", (unsigned int)dimm_num);
- HANG();
+ spd_ddr_init_hang ();
}
} else {
/* Convert from hex to decimal */
printf("ERROR: Cannot find a supported CAS latency with the installed DIMMs.\n");
printf("Only DIMMs DDR1 with CAS latencies of 2.0, 2.5, and 3.0 are supported.\n");
printf("Make sure the PLB speed is within the supported range of the DIMMs.\n\n");
- HANG();
+ spd_ddr_init_hang ();
}
} else { /* DDR2 */
debug("cas_3_0_available=%d\n", cas_3_0_available);
cas_3_0_available, cas_4_0_available, cas_5_0_available);
printf("sdram_freq=%d cycle3=%d cycle4=%d cycle5=%d\n\n",
sdram_freq, cycle_3_0_clk, cycle_4_0_clk, cycle_5_0_clk);
- HANG();
+ spd_ddr_init_hang ();
}
}
printf("ERROR: DIMM %d unsupported refresh rate/type.\n",
(unsigned int)dimm_num);
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
break;
}
printf("ERROR: Unsupported value for number of "
"column addresses: %d.\n", (unsigned int)num_col_addr);
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
}
}
printf("ERROR: Unsupported value for the banksize: %d.\n",
(unsigned int)rank_size_id);
printf("Replace the DIMM module with a supported DIMM.\n\n");
- HANG();
+ spd_ddr_init_hang ();
}
if ((dimm_populated[dimm_num] != SDRAM_NONE) && (dimm_num == 1))
printf("\nERROR: Cannot determine a common read delay for the "
"DIMM(s) installed.\n");
debug("%s[%d] ERROR : \n", __FUNCTION__,__LINE__);
- HANG();
+ spd_ddr_init_hang ();
}
blank_string(strlen(str));
if (window_found == FALSE) {
printf("ERROR: Cannot determine a common read delay for the "
"DIMM(s) installed.\n");
- HANG();
+ spd_ddr_init_hang ();
}
/*------------------------------------------------------------------
projects / u-boot / blobdiff