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path: root/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
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Diffstat (limited to 'arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c')
-rw-r--r--arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c71
1 files changed, 34 insertions, 37 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
index 8a20a2b1e..161d274df 100644
--- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
+++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
@@ -88,8 +88,6 @@ void spd_ddr_init_hang (void) __attribute__((weak, alias("__spd_ddr_init_hang"))
#define NUMMEMTESTS 8
#define NUMMEMWORDS 8
#define MAXBXCR 4
-#define TRUE 1
-#define FALSE 0
/*
* This DDR2 setup code can dynamically setup the TLB entries for the DDR2 memory
@@ -298,7 +296,7 @@ static void get_spd_info(unsigned long *dimm_populated,
unsigned char num_of_bytes;
unsigned char total_size;
- dimm_found = FALSE;
+ dimm_found = false;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
num_of_bytes = 0;
total_size = 0;
@@ -307,16 +305,16 @@ static void get_spd_info(unsigned long *dimm_populated,
total_size = spd_read(iic0_dimm_addr[dimm_num], 1);
if ((num_of_bytes != 0) && (total_size != 0)) {
- dimm_populated[dimm_num] = TRUE;
- dimm_found = TRUE;
+ dimm_populated[dimm_num] = true;
+ dimm_found = true;
debug("DIMM slot %lu: populated\n", dimm_num);
} else {
- dimm_populated[dimm_num] = FALSE;
+ dimm_populated[dimm_num] = false;
debug("DIMM slot %lu: Not populated\n", dimm_num);
}
}
- if (dimm_found == FALSE) {
+ if (dimm_found == false) {
printf("ERROR - No memory installed. Install a DDR-SDRAM DIMM.\n\n");
spd_ddr_init_hang ();
}
@@ -330,7 +328,7 @@ static void check_mem_type(unsigned long *dimm_populated,
unsigned char dimm_type;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
+ if (dimm_populated[dimm_num] == true) {
dimm_type = spd_read(iic0_dimm_addr[dimm_num], 2);
switch (dimm_type) {
case 7:
@@ -356,7 +354,7 @@ static void check_volt_type(unsigned long *dimm_populated,
unsigned long voltage_type;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
+ if (dimm_populated[dimm_num] == true) {
voltage_type = spd_read(iic0_dimm_addr[dimm_num], 8);
if (voltage_type != 0x04) {
printf("ERROR: DIMM %lu with unsupported voltage level.\n",
@@ -398,12 +396,12 @@ static void program_cfg0(unsigned long *dimm_populated,
/*
* FIXME: assume the DDR SDRAMs in both banks are the same
*/
- ecc_enabled = TRUE;
+ ecc_enabled = true;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
+ if (dimm_populated[dimm_num] == true) {
ecc = spd_read(iic0_dimm_addr[dimm_num], 11);
if (ecc != 0x02) {
- ecc_enabled = FALSE;
+ ecc_enabled = false;
}
/*
@@ -437,7 +435,7 @@ static void program_cfg0(unsigned long *dimm_populated,
/*
* program Memory Data Error Checking
*/
- if (ecc_enabled == TRUE) {
+ if (ecc_enabled == true) {
cfg0 |= SDRAM_CFG0_MCHK_GEN;
} else {
cfg0 |= SDRAM_CFG0_MCHK_NON;
@@ -493,7 +491,7 @@ static void program_rtr(unsigned long *dimm_populated,
bus_period_x_10 = ONE_BILLION / (sys_info.freqPLB / 10);
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
+ if (dimm_populated[dimm_num] == true) {
refresh_rate_type = 0x7F & spd_read(iic0_dimm_addr[dimm_num], 12);
switch (refresh_rate_type) {
case 0x00:
@@ -585,15 +583,15 @@ static void program_tr0(unsigned long *dimm_populated,
t_rp_ns = 0;
t_rcd_ns = 0;
t_ras_ns = 0;
- cas_2_0_available = TRUE;
- cas_2_5_available = TRUE;
- cas_3_0_available = TRUE;
+ cas_2_0_available = true;
+ cas_2_5_available = true;
+ cas_3_0_available = true;
tcyc_2_0_ns_x_10 = 0;
tcyc_2_5_ns_x_10 = 0;
tcyc_3_0_ns_x_10 = 0;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
+ if (dimm_populated[dimm_num] == true) {
wcsbc = spd_read(iic0_dimm_addr[dimm_num], 15);
t_rp_ns = spd_read(iic0_dimm_addr[dimm_num], 27) >> 2;
t_rcd_ns = spd_read(iic0_dimm_addr[dimm_num], 29) >> 2;
@@ -640,7 +638,7 @@ static void program_tr0(unsigned long *dimm_populated,
if (cas_index != 0) {
cas_index++;
}
- cas_3_0_available = FALSE;
+ cas_3_0_available = false;
}
if (((cas_bit & 0x08) != 0) || (cas_index < 3)) {
@@ -650,7 +648,7 @@ static void program_tr0(unsigned long *dimm_populated,
if (cas_index != 0) {
cas_index++;
}
- cas_2_5_available = FALSE;
+ cas_2_5_available = false;
}
if (((cas_bit & 0x04) != 0) || (cas_index < 3)) {
@@ -660,7 +658,7 @@ static void program_tr0(unsigned long *dimm_populated,
if (cas_index != 0) {
cas_index++;
}
- cas_2_0_available = FALSE;
+ cas_2_0_available = false;
}
break;
@@ -683,13 +681,13 @@ static void program_tr0(unsigned long *dimm_populated,
/*
* Program SD_CASL field
*/
- if ((cas_2_0_available == TRUE) &&
+ if ((cas_2_0_available == true) &&
(bus_period_x_10 >= tcyc_2_0_ns_x_10)) {
tr0 |= SDRAM_TR0_SDCL_2_0_CLK;
- } else if ((cas_2_5_available == TRUE) &&
+ } else if ((cas_2_5_available == true) &&
(bus_period_x_10 >= tcyc_2_5_ns_x_10)) {
tr0 |= SDRAM_TR0_SDCL_2_5_CLK;
- } else if ((cas_3_0_available == TRUE) &&
+ } else if ((cas_3_0_available == true) &&
(bus_period_x_10 >= tcyc_3_0_ns_x_10)) {
tr0 |= SDRAM_TR0_SDCL_3_0_CLK;
} else {
@@ -950,9 +948,9 @@ static void program_tr1(void)
current_fail_length = 0;
current_start = 0;
rdclt_offset = 0;
- window_found = FALSE;
- fail_found = FALSE;
- pass_found = FALSE;
+ window_found = false;
+ fail_found = false;
+ pass_found = false;
debug("Starting memory test ");
for (k = 0; k < NUMHALFCYCLES; k++) {
@@ -963,8 +961,8 @@ static void program_tr1(void)
mtsdram(SDRAM0_TR1, (tr1 | SDRAM_TR1_RDCT_ENCODE(rdclt)));
if (short_mem_test()) {
- if (fail_found == TRUE) {
- pass_found = TRUE;
+ if (fail_found == true) {
+ pass_found = true;
if (current_pass_length == 0) {
current_start = rdclt_offset + rdclt;
}
@@ -983,10 +981,10 @@ static void program_tr1(void)
current_fail_length++;
if (current_fail_length >= (dly_val>>2)) {
- if (fail_found == FALSE) {
- fail_found = TRUE;
- } else if (pass_found == TRUE) {
- window_found = TRUE;
+ if (fail_found == false) {
+ fail_found = true;
+ } else if (pass_found == true) {
+ window_found = true;
break;
}
}
@@ -994,9 +992,8 @@ static void program_tr1(void)
}
debug(".");
- if (window_found == TRUE) {
+ if (window_found == true)
break;
- }
tr1 = tr1 ^ SDRAM_TR1_RDCD_MASK;
rdclt_offset += dly_val;
@@ -1006,7 +1003,7 @@ static void program_tr1(void)
/*
* make sure we find the window
*/
- if (window_found == FALSE) {
+ if (window_found == false) {
printf("ERROR: Cannot determine a common read delay.\n");
spd_ddr_init_hang ();
}
@@ -1115,7 +1112,7 @@ static unsigned long program_bxcr(unsigned long *dimm_populated,
bank_base_addr = CONFIG_SYS_SDRAM_BASE;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
+ if (dimm_populated[dimm_num] == true) {
num_row_addr = spd_read(iic0_dimm_addr[dimm_num], 3);
num_col_addr = spd_read(iic0_dimm_addr[dimm_num], 4);
num_banks = spd_read(iic0_dimm_addr[dimm_num], 5);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 20:35:41 +0000