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Diffstat (limited to 'arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c')
-rw-r--r--arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c201
1 files changed, 99 insertions, 102 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
index 85217ea27..def7ebf72 100644
--- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
+++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
@@ -241,13 +241,6 @@ void board_add_ram_info(int use_default)
/*-----------------------------------------------------------------------------+
* Defines
*-----------------------------------------------------------------------------*/
-#ifndef TRUE
-#define TRUE 1
-#endif
-#ifndef FALSE
-#define FALSE 0
-#endif
-
#define SDRAM_DDR1 1
#define SDRAM_DDR2 2
#define SDRAM_NONE 0
@@ -683,7 +676,7 @@ 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;
@@ -696,16 +689,16 @@ static void get_spd_info(unsigned long *dimm_populated,
iic0_dimm_addr[dimm_num], total_size);
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 ();
}
@@ -724,7 +717,7 @@ static void check_mem_type(unsigned long *dimm_populated,
unsigned long 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 1:
@@ -994,14 +987,14 @@ static void program_copt1(unsigned long *dimm_populated,
unsigned long val;
#ifdef CONFIG_DDR_ECC
- ecc_enabled = TRUE;
+ ecc_enabled = true;
#else
- ecc_enabled = FALSE;
+ ecc_enabled = false;
#endif
- dimm_32bit = FALSE;
- dimm_64bit = FALSE;
- buf0 = FALSE;
- buf1 = FALSE;
+ dimm_32bit = false;
+ dimm_64bit = false;
+ buf0 = false;
+ buf1 = false;
/*------------------------------------------------------------------
* Set memory controller options reg 1, SDRAM_MCOPT1.
@@ -1026,7 +1019,7 @@ static void program_copt1(unsigned long *dimm_populated,
/* test ecc support */
ecc = (unsigned long)spd_read(iic0_dimm_addr[dimm_num], 11);
if (ecc != 0x02) /* ecc not supported */
- ecc_enabled = FALSE;
+ ecc_enabled = false;
/* test bank count */
bankcount = (unsigned long)spd_read(iic0_dimm_addr[dimm_num], 17);
@@ -1048,15 +1041,15 @@ static void program_copt1(unsigned long *dimm_populated,
if (registered == 1) { /* DDR2 always buffered */
/* TODO: what about above comments ? */
mcopt1 |= SDRAM_MCOPT1_RDEN;
- buf0 = TRUE;
+ buf0 = true;
} else {
/* TODO: the mask 0x02 doesn't match Samsung def for byte 21. */
if ((attribute & 0x02) == 0x00) {
/* buffered not supported */
- buf0 = FALSE;
+ buf0 = false;
} else {
mcopt1 |= SDRAM_MCOPT1_RDEN;
- buf0 = TRUE;
+ buf0 = true;
}
}
}
@@ -1068,14 +1061,14 @@ static void program_copt1(unsigned long *dimm_populated,
if (registered == 1) {
/* DDR2 always buffered */
mcopt1 |= SDRAM_MCOPT1_RDEN;
- buf1 = TRUE;
+ buf1 = true;
} else {
if ((attribute & 0x02) == 0x00) {
/* buffered not supported */
- buf1 = FALSE;
+ buf1 = false;
} else {
mcopt1 |= SDRAM_MCOPT1_RDEN;
- buf1 = TRUE;
+ buf1 = true;
}
}
}
@@ -1087,11 +1080,11 @@ static void program_copt1(unsigned long *dimm_populated,
switch (data_width) {
case 72:
case 64:
- dimm_64bit = TRUE;
+ dimm_64bit = true;
break;
case 40:
case 32:
- dimm_32bit = TRUE;
+ dimm_32bit = true;
break;
default:
printf("WARNING: Detected a DIMM with a data width of %lu bits.\n",
@@ -1110,20 +1103,19 @@ static void program_copt1(unsigned long *dimm_populated,
}
}
- if ((dimm_64bit == TRUE) && (dimm_32bit == TRUE)) {
+ if ((dimm_64bit == true) && (dimm_32bit == true)) {
printf("ERROR: Cannot mix 32 bit and 64 bit DDR-SDRAM DIMMs together.\n");
spd_ddr_init_hang ();
- }
- else if ((dimm_64bit == TRUE) && (dimm_32bit == FALSE)) {
+ } else if ((dimm_64bit == true) && (dimm_32bit == false)) {
mcopt1 |= SDRAM_MCOPT1_DMWD_64;
- } else if ((dimm_64bit == FALSE) && (dimm_32bit == TRUE)) {
+ } else if ((dimm_64bit == false) && (dimm_32bit == true)) {
mcopt1 |= SDRAM_MCOPT1_DMWD_32;
} else {
printf("ERROR: Please install only 32 or 64 bit DDR-SDRAM DIMMs.\n\n");
spd_ddr_init_hang ();
}
- if (ecc_enabled == TRUE)
+ if (ecc_enabled == true)
mcopt1 |= SDRAM_MCOPT1_MCHK_GEN;
else
mcopt1 |= SDRAM_MCOPT1_MCHK_NON;
@@ -1171,14 +1163,14 @@ static void program_codt(unsigned long *dimm_populated,
total_rank += dimm_rank;
total_dimm++;
if ((dimm_num == 0) && (total_dimm == 1))
- firstSlot = TRUE;
+ firstSlot = true;
else
- firstSlot = FALSE;
+ firstSlot = false;
}
}
if (dimm_type == SDRAM_DDR2) {
codt |= SDRAM_CODT_DQS_1_8_V_DDR2;
- if ((total_dimm == 1) && (firstSlot == TRUE)) {
+ if ((total_dimm == 1) && (firstSlot == true)) {
if (total_rank == 1) { /* PUUU */
codt |= CALC_ODT_R(0);
modt0 = CALC_ODT_W(0);
@@ -1193,7 +1185,7 @@ static void program_codt(unsigned long *dimm_populated,
modt2 = 0x00000000;
modt3 = 0x00000000;
}
- } else if ((total_dimm == 1) && (firstSlot != TRUE)) {
+ } else if ((total_dimm == 1) && (firstSlot != true)) {
if (total_rank == 1) { /* UUPU */
codt |= CALC_ODT_R(2);
modt0 = 0x00000000;
@@ -1467,26 +1459,26 @@ static void program_mode(unsigned long *dimm_populated,
* the dimm modules installed.
*-----------------------------------------------------------------*/
t_wr_ns = 0;
- cas_2_0_available = TRUE;
- cas_2_5_available = TRUE;
- cas_3_0_available = TRUE;
- cas_4_0_available = TRUE;
- cas_5_0_available = TRUE;
+ cas_2_0_available = true;
+ cas_2_5_available = true;
+ cas_3_0_available = true;
+ cas_4_0_available = true;
+ cas_5_0_available = true;
max_2_0_tcyc_ns_x_100 = 10;
max_2_5_tcyc_ns_x_100 = 10;
max_3_0_tcyc_ns_x_100 = 10;
max_4_0_tcyc_ns_x_100 = 10;
max_5_0_tcyc_ns_x_100 = 10;
- sdram_ddr1 = TRUE;
+ sdram_ddr1 = true;
/* loop through all the DIMM slots on the board */
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
/* If a dimm is installed in a particular slot ... */
if (dimm_populated[dimm_num] != SDRAM_NONE) {
if (dimm_populated[dimm_num] == SDRAM_DDR1)
- sdram_ddr1 = TRUE;
+ sdram_ddr1 = true;
else
- sdram_ddr1 = FALSE;
+ sdram_ddr1 = false;
cas_bit = spd_read(iic0_dimm_addr[dimm_num], 18);
debug("cas_bit[SPD byte 18]=%02lx\n", cas_bit);
@@ -1543,7 +1535,7 @@ static void program_mode(unsigned long *dimm_populated,
} else {
if (cas_index != 0)
cas_index++;
- cas_4_0_available = FALSE;
+ cas_4_0_available = false;
}
if (((cas_bit & 0x10) == 0x10) && (cas_index < 3) &&
@@ -1554,7 +1546,7 @@ static void program_mode(unsigned long *dimm_populated,
} else {
if (cas_index != 0)
cas_index++;
- cas_3_0_available = FALSE;
+ cas_3_0_available = false;
}
if (((cas_bit & 0x08) == 0x08) && (cas_index < 3) &&
@@ -1565,7 +1557,7 @@ static void program_mode(unsigned long *dimm_populated,
} else {
if (cas_index != 0)
cas_index++;
- cas_2_5_available = FALSE;
+ cas_2_5_available = false;
}
if (((cas_bit & 0x04) == 0x04) && (cas_index < 3) &&
@@ -1576,7 +1568,7 @@ static void program_mode(unsigned long *dimm_populated,
} else {
if (cas_index != 0)
cas_index++;
- cas_2_0_available = FALSE;
+ cas_2_0_available = false;
}
} else {
/*
@@ -1592,7 +1584,7 @@ static void program_mode(unsigned long *dimm_populated,
} else {
if (cas_index != 0)
cas_index++;
- cas_5_0_available = FALSE;
+ cas_5_0_available = false;
}
if (((cas_bit & 0x10) == 0x10) && (cas_index < 3) &&
@@ -1603,7 +1595,7 @@ static void program_mode(unsigned long *dimm_populated,
} else {
if (cas_index != 0)
cas_index++;
- cas_4_0_available = FALSE;
+ cas_4_0_available = false;
}
if (((cas_bit & 0x08) == 0x08) && (cas_index < 3) &&
@@ -1614,7 +1606,7 @@ static void program_mode(unsigned long *dimm_populated,
} else {
if (cas_index != 0)
cas_index++;
- cas_3_0_available = FALSE;
+ cas_3_0_available = false;
}
}
}
@@ -1636,14 +1628,17 @@ static void program_mode(unsigned long *dimm_populated,
debug("cycle_4_0_clk=%lu\n", cycle_4_0_clk);
debug("cycle_5_0_clk=%lu\n", cycle_5_0_clk);
- if (sdram_ddr1 == TRUE) { /* DDR1 */
- if ((cas_2_0_available == TRUE) && (sdram_freq <= cycle_2_0_clk)) {
+ if (sdram_ddr1 == true) { /* DDR1 */
+ if ((cas_2_0_available == true) &&
+ (sdram_freq <= cycle_2_0_clk)) {
mmode |= SDRAM_MMODE_DCL_DDR1_2_0_CLK;
*selected_cas = DDR_CAS_2;
- } else if ((cas_2_5_available == TRUE) && (sdram_freq <= cycle_2_5_clk)) {
+ } else if ((cas_2_5_available == true) &&
+ (sdram_freq <= cycle_2_5_clk)) {
mmode |= SDRAM_MMODE_DCL_DDR1_2_5_CLK;
*selected_cas = DDR_CAS_2_5;
- } else if ((cas_3_0_available == TRUE) && (sdram_freq <= cycle_3_0_clk)) {
+ } else if ((cas_3_0_available == true) &&
+ (sdram_freq <= cycle_3_0_clk)) {
mmode |= SDRAM_MMODE_DCL_DDR1_3_0_CLK;
*selected_cas = DDR_CAS_3;
} else {
@@ -1656,13 +1651,16 @@ static void program_mode(unsigned long *dimm_populated,
debug("cas_3_0_available=%d\n", cas_3_0_available);
debug("cas_4_0_available=%d\n", cas_4_0_available);
debug("cas_5_0_available=%d\n", cas_5_0_available);
- if ((cas_3_0_available == TRUE) && (sdram_freq <= cycle_3_0_clk)) {
+ if ((cas_3_0_available == true) &&
+ (sdram_freq <= cycle_3_0_clk)) {
mmode |= SDRAM_MMODE_DCL_DDR2_3_0_CLK;
*selected_cas = DDR_CAS_3;
- } else if ((cas_4_0_available == TRUE) && (sdram_freq <= cycle_4_0_clk)) {
+ } else if ((cas_4_0_available == true) &&
+ (sdram_freq <= cycle_4_0_clk)) {
mmode |= SDRAM_MMODE_DCL_DDR2_4_0_CLK;
*selected_cas = DDR_CAS_4;
- } else if ((cas_5_0_available == TRUE) && (sdram_freq <= cycle_5_0_clk)) {
+ } else if ((cas_5_0_available == true) &&
+ (sdram_freq <= cycle_5_0_clk)) {
mmode |= SDRAM_MMODE_DCL_DDR2_5_0_CLK;
*selected_cas = DDR_CAS_5;
} else {
@@ -1677,7 +1675,7 @@ static void program_mode(unsigned long *dimm_populated,
}
}
- if (sdram_ddr1 == TRUE)
+ if (sdram_ddr1 == true)
mmode |= SDRAM_MMODE_WR_DDR1;
else {
@@ -1851,16 +1849,16 @@ static void program_tr(unsigned long *dimm_populated,
t_wpc_ns = 0;
t_wtr_ns = 0;
t_rpc_ns = 0;
- sdram_ddr1 = TRUE;
+ sdram_ddr1 = true;
/* loop through all the DIMM slots on the board */
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
/* If a dimm is installed in a particular slot ... */
if (dimm_populated[dimm_num] != SDRAM_NONE) {
if (dimm_populated[dimm_num] == SDRAM_DDR2)
- sdram_ddr1 = TRUE;
+ sdram_ddr1 = true;
else
- sdram_ddr1 = FALSE;
+ sdram_ddr1 = false;
t_rcd_ns = max(t_rcd_ns, spd_read(iic0_dimm_addr[dimm_num], 29) >> 2);
t_rrd_ns = max(t_rrd_ns, spd_read(iic0_dimm_addr[dimm_num], 28) >> 2);
@@ -1925,7 +1923,7 @@ static void program_tr(unsigned long *dimm_populated,
break;
}
- if (sdram_ddr1 == TRUE) { /* DDR1 */
+ if (sdram_ddr1 == true) { /* DDR1 */
if (sdram_freq < 200000000) {
sdtr2 |= SDRAM_SDTR2_WTR_1_CLK;
sdtr2 |= SDRAM_SDTR2_WPC_2_CLK;
@@ -2548,8 +2546,8 @@ calibration_loop:
current_pass_length = 0;
current_fail_length = 0;
current_start = 0;
- fail_found = FALSE;
- pass_found = FALSE;
+ fail_found = false;
+ pass_found = false;
/*
* get the delay line calibration register value
@@ -2570,8 +2568,8 @@ calibration_loop:
* See if the rffd value passed.
*-----------------------------------------------------------------*/
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 = rffd;
@@ -2589,11 +2587,10 @@ calibration_loop:
current_fail_length++;
if (current_fail_length >= (dly_val >> 2)) {
- if (fail_found == FALSE) {
- fail_found = TRUE;
- } else if (pass_found == TRUE) {
+ if (fail_found == false)
+ fail_found = true;
+ else if (pass_found == true)
break;
- }
}
}
} /* for rffd */
@@ -2618,9 +2615,9 @@ calibration_loop:
current_pass_length = 0;
current_fail_length = 0;
current_start = 0;
- window_found = FALSE;
- fail_found = FALSE;
- pass_found = FALSE;
+ window_found = false;
+ fail_found = false;
+ pass_found = false;
for (rqfd = 0; rqfd <= SDRAM_RQDC_RQFD_MAX; rqfd++) {
mfsdram(SDRAM_RQDC, rqdc_reg);
@@ -2635,8 +2632,8 @@ calibration_loop:
* See if the rffd value passed.
*-----------------------------------------------------------------*/
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 = rqfd;
@@ -2653,10 +2650,10 @@ calibration_loop:
current_pass_length = 0;
current_fail_length++;
- 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;
}
}
@@ -2667,7 +2664,7 @@ calibration_loop:
/*------------------------------------------------------------------
* Make sure we found the valid read passing window. Halt if not
*-----------------------------------------------------------------*/
- if (window_found == FALSE) {
+ if (window_found == false) {
if (rqfd_start < SDRAM_RQDC_RQFD_MAX) {
putc('\b');
putc(slash[loopi++ % 8]);
@@ -2769,13 +2766,13 @@ static void test(void)
mtsdram(SDRAM_MCOPT1, (val & ~SDRAM_MCOPT1_MCHK_MASK) |
SDRAM_MCOPT1_MCHK_NON);
- window_found = FALSE;
- begin_found[0] = FALSE;
- end_found[0] = FALSE;
- search_end[0] = FALSE;
- begin_found[1] = FALSE;
- end_found[1] = FALSE;
- search_end[1] = FALSE;
+ window_found = false;
+ begin_found[0] = false;
+ end_found[0] = false;
+ search_end[0] = false;
+ begin_found[1] = false;
+ end_found[1] = false;
+ search_end[1] = false;
for (dimm_num = 0; dimm_num < MAXDIMMS; dimm_num++) {
mfsdram(SDRAM_MB0CF + (bxcr_num << 2), bxcf[bxcr_num]);
@@ -2812,32 +2809,32 @@ static void test(void)
* See if the rffd value passed.
*-----------------------------------------------------------------*/
if (i < NUMMEMTESTS) {
- if ((end_found[dimm_num] == FALSE) &&
- (search_end[dimm_num] == TRUE)) {
- end_found[dimm_num] = TRUE;
+ if ((end_found[dimm_num] == false) &&
+ (search_end[dimm_num] == true)) {
+ end_found[dimm_num] = true;
}
- if ((end_found[0] == TRUE) &&
- (end_found[1] == TRUE))
+ if ((end_found[0] == true) &&
+ (end_found[1] == true))
break;
} else {
- if (begin_found[dimm_num] == FALSE) {
- begin_found[dimm_num] = TRUE;
- search_end[dimm_num] = TRUE;
+ if (begin_found[dimm_num] == false) {
+ begin_found[dimm_num] = true;
+ search_end[dimm_num] = true;
}
}
} else {
- begin_found[dimm_num] = TRUE;
- end_found[dimm_num] = TRUE;
+ begin_found[dimm_num] = true;
+ end_found[dimm_num] = true;
}
}
- if ((begin_found[0] == TRUE) && (begin_found[1] == TRUE))
- window_found = TRUE;
+ if ((begin_found[0] == true) && (begin_found[1] == true))
+ window_found = true;
/*------------------------------------------------------------------
* Make sure we found the valid read passing window. Halt if not
*-----------------------------------------------------------------*/
- if (window_found == FALSE) {
+ if (window_found == false) {
printf("ERROR: Cannot determine a common read delay for the "
"DIMM(s) installed.\n");
spd_ddr_init_hang ();
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 12:01:22 +0000