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Diffstat (limited to 'src/northbridge/intel/i945/raminit.c')
-rw-r--r--src/northbridge/intel/i945/raminit.c260
1 files changed, 146 insertions, 114 deletions
diff --git a/src/northbridge/intel/i945/raminit.c b/src/northbridge/intel/i945/raminit.c
index db6e3b8e68..f26fac6207 100644
--- a/src/northbridge/intel/i945/raminit.c
+++ b/src/northbridge/intel/i945/raminit.c
@@ -263,8 +263,7 @@ static void sdram_detect_errors(struct sys_info *sysinfo)
pci_write_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_2, reg8);
/* clear self refresh status if check is disabled or not a resume */
- if (!CONFIG(CHECK_SLFRCS_ON_RESUME)
- || sysinfo->boot_path != BOOT_PATH_RESUME) {
+ if (!CONFIG(CHECK_SLFRCS_ON_RESUME) || sysinfo->boot_path != BOOT_PATH_RESUME) {
MCHBAR8(SLFRCS) |= 3;
} else {
/* Validate self refresh config */
@@ -300,8 +299,7 @@ struct timings {
/**
* @brief loop over dimms and save maximal timings
*/
-static void gather_common_timing(struct sys_info *sysinfo,
- struct timings *saved_timings)
+static void gather_common_timing(struct sys_info *sysinfo, struct timings *saved_timings)
{
int i, j;
@@ -310,8 +308,8 @@ static void gather_common_timing(struct sys_info *sysinfo,
memset(saved_timings, 0, sizeof(*saved_timings));
saved_timings->max_tRR = UINT32_MAX;
- saved_timings->cas_mask = SPD_CAS_LATENCY_DDR2_3
- | SPD_CAS_LATENCY_DDR2_4 | SPD_CAS_LATENCY_DDR2_5;
+ saved_timings->cas_mask = SPD_CAS_LATENCY_DDR2_3 | SPD_CAS_LATENCY_DDR2_4
+ | SPD_CAS_LATENCY_DDR2_5;
/**
* i945 supports two DIMMs, in two configurations:
@@ -388,8 +386,7 @@ static void gather_common_timing(struct sys_info *sysinfo,
if (spd_dimm_is_registered_ddr2(dimm_info.dimm_type))
die("\nError: Registered memory not supported by this chipset\n");
- printk(BIOS_DEBUG, "DDR II Channel %d Socket %d: ", (i >> 1),
- (i & 1));
+ printk(BIOS_DEBUG, "DDR II Channel %d Socket %d: ", (i >> 1), (i & 1));
/**
* There are 5 different possible populations for a DIMM socket:
* 0. x16 double ranked (X16DS)
@@ -442,8 +439,7 @@ static void gather_common_timing(struct sys_info *sysinfo,
die("DDR-II rank size smaller than 128MB is not supported.\n");
sysinfo->banksize[i * 2] = dimm_info.ranksize_mb / 32;
- printk(BIOS_DEBUG, "DIMM %d side 0 = %d MB\n", i,
- sysinfo->banksize[i * 2] * 32);
+ printk(BIOS_DEBUG, "DIMM %d side 0 = %d MB\n", i, sysinfo->banksize[i * 2] * 32);
if (dimm_info.ranks == 2) {
sysinfo->banksize[(i * 2) + 1] =
dimm_info.ranksize_mb / 32;
@@ -457,25 +453,18 @@ static void gather_common_timing(struct sys_info *sysinfo,
sysinfo->banks[i] = dimm_info.banks;
/* int min_tRAS, min_tRP, min_tRCD, min_tWR, min_tRFC; */
- saved_timings->min_tRAS = MAX(saved_timings->min_tRAS,
- dimm_info.tRAS);
- saved_timings->min_tRP = MAX(saved_timings->min_tRP,
- dimm_info.tRP);
- saved_timings->min_tRCD = MAX(saved_timings->min_tRCD,
- dimm_info.tRCD);
- saved_timings->min_tWR = MAX(saved_timings->min_tWR,
- dimm_info.tWR);
- saved_timings->min_tRFC = MAX(saved_timings->min_tRFC,
- dimm_info.tRFC);
- saved_timings->max_tRR = MIN(saved_timings->max_tRR,
- dimm_info.tRR);
+ saved_timings->min_tRAS = MAX(saved_timings->min_tRAS, dimm_info.tRAS);
+ saved_timings->min_tRP = MAX(saved_timings->min_tRP, dimm_info.tRP);
+ saved_timings->min_tRCD = MAX(saved_timings->min_tRCD, dimm_info.tRCD);
+ saved_timings->min_tWR = MAX(saved_timings->min_tWR, dimm_info.tWR);
+ saved_timings->min_tRFC = MAX(saved_timings->min_tRFC, dimm_info.tRFC);
+ saved_timings->max_tRR = MIN(saved_timings->max_tRR, dimm_info.tRR);
saved_timings->cas_mask &= dimm_info.cas_supported;
for (j = 0; j < 8; j++) {
if (!(saved_timings->cas_mask & (1 << j)))
saved_timings->min_tCLK_cas[j] = 0;
else
- saved_timings->min_tCLK_cas[j] =
- MAX(dimm_info.cycle_time[j],
+ saved_timings->min_tCLK_cas[j] = MAX(dimm_info.cycle_time[j],
saved_timings->min_tCLK_cas[j]);
}
dimm_mask |= (1 << i);
@@ -488,14 +477,12 @@ static void gather_common_timing(struct sys_info *sysinfo,
printk(BIOS_INFO, "Channel 0 has no memory populated.\n");
}
-static void choose_tclk(struct sys_info *sysinfo,
- struct timings *saved_timings)
+static void choose_tclk(struct sys_info *sysinfo, struct timings *saved_timings)
{
u32 ctrl_min_tclk;
int try_cas;
- ctrl_min_tclk = 2 * 256 * 1000
- / sdram_capabilities_max_supported_memory_frequency();
+ ctrl_min_tclk = 2 * 256 * 1000 / sdram_capabilities_max_supported_memory_frequency();
normalize_tck(&ctrl_min_tclk);
try_cas = spd_get_msbs(saved_timings->cas_mask);
@@ -504,8 +491,8 @@ static void choose_tclk(struct sys_info *sysinfo,
sysinfo->cas = try_cas;
sysinfo->tclk = saved_timings->min_tCLK_cas[try_cas];
if (sysinfo->tclk >= ctrl_min_tclk &&
- saved_timings->min_tCLK_cas[try_cas] !=
- saved_timings->min_tCLK_cas[try_cas - 1])
+ saved_timings->min_tCLK_cas[try_cas] !=
+ saved_timings->min_tCLK_cas[try_cas - 1])
break;
try_cas--;
}
@@ -539,8 +526,7 @@ static void choose_tclk(struct sys_info *sysinfo,
sysinfo->memory_frequency, sysinfo->cas);
}
-static void derive_timings(struct sys_info *sysinfo,
- struct timings *saved_timings)
+static void derive_timings(struct sys_info *sysinfo, struct timings *saved_timings)
{
sysinfo->tras = DIV_ROUND_UP(saved_timings->min_tRAS, sysinfo->tclk);
if (sysinfo->tras > 0x18)
@@ -961,7 +947,8 @@ static void sdram_rcomp_buffer_strength_and_slew(struct sys_info *sysinfo)
/* Channel 0 */
sdram_write_slew_rates(G1SRPUT, slew_group_lookup(dual_channel, idx * 8 + 0));
sdram_write_slew_rates(G2SRPUT, slew_group_lookup(dual_channel, idx * 8 + 1));
- if ((slew_group_lookup(dual_channel, idx * 8 + 2) != nc) && (sysinfo->package == SYSINFO_PACKAGE_STACKED))
+ if ((slew_group_lookup(dual_channel, idx * 8 + 2) != nc) &&
+ (sysinfo->package == SYSINFO_PACKAGE_STACKED))
sdram_write_slew_rates(G3SRPUT, ctl3220);
else
@@ -1005,20 +992,26 @@ static void sdram_program_dll_timings(struct sys_info *sysinfo)
if (CONFIG(NORTHBRIDGE_INTEL_SUBTYPE_I945GM)) {
switch (sysinfo->memory_frequency) {
case 400:
- channeldll = 0x26262626; break;
+ channeldll = 0x26262626;
+ break;
case 533:
- channeldll = 0x22222222; break;
+ channeldll = 0x22222222;
+ break;
case 667:
- channeldll = 0x11111111; break;
+ channeldll = 0x11111111;
+ break;
}
} else if (CONFIG(NORTHBRIDGE_INTEL_SUBTYPE_I945GC)) {
switch (sysinfo->memory_frequency) {
case 400:
- channeldll = 0x33333333; break;
+ channeldll = 0x33333333;
+ break;
case 533:
- channeldll = 0x24242424; break;
+ channeldll = 0x24242424;
+ break;
case 667:
- channeldll = 0x25252525; break;
+ channeldll = 0x25252525;
+ break;
}
}
@@ -1054,7 +1047,6 @@ static void sdram_force_rcomp(void)
reg8 = i945_silicon_revision();
if ((reg8 == 0 && (MCHBAR32(DCC) & (3 << 0)) == 0) || (reg8 == 1)) {
-
reg32 = MCHBAR32(GBRCOMPCTL);
reg32 |= (3 << 5);
MCHBAR32(GBRCOMPCTL) = reg32;
@@ -1131,14 +1123,14 @@ static void sdram_enable_system_memory_io(struct sys_info *sysinfo)
/* Is channel 0 populated? */
if (sysinfo->dimm[0] != SYSINFO_DIMM_NOT_POPULATED ||
- sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED)
+ sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED)
reg32 |= (1 << 7) | (1 << 5);
else
reg32 |= (1 << 31);
/* Is channel 1 populated? */
if (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED ||
- sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED)
+ sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED)
reg32 |= (1 << 9) | (1 << 8);
else
reg32 |= (1 << 30);
@@ -1147,13 +1139,13 @@ static void sdram_enable_system_memory_io(struct sys_info *sysinfo)
/* Activate DRAM Channel IO Buffers */
if (sysinfo->dimm[0] != SYSINFO_DIMM_NOT_POPULATED ||
- sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED) {
+ sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED) {
reg32 = MCHBAR32(C0DRC1);
reg32 |= (1 << 8);
MCHBAR32(C0DRC1) = reg32;
}
if (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED ||
- sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED) {
+ sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED) {
reg32 = MCHBAR32(C1DRC1);
reg32 |= (1 << 8);
MCHBAR32(C1DRC1) = reg32;
@@ -1232,20 +1224,24 @@ static int sdram_set_row_attributes(struct sys_info *sysinfo)
if (sysinfo->dimm[i] == SYSINFO_DIMM_NOT_POPULATED)
continue;
- columnsrows = (sysinfo->rows[i] & 0x0f)
- | (sysinfo->cols[i] & 0xf) << 4;
+ columnsrows = (sysinfo->rows[i] & 0x0f) | (sysinfo->cols[i] & 0xf) << 4;
switch (columnsrows) {
case 0x9d:
- dra = 2; break;
+ dra = 2;
+ break;
case 0xad:
- dra = 3; break;
+ dra = 3;
+ break;
case 0xbd:
- dra = 4; break;
+ dra = 4;
+ break;
case 0xae:
- dra = 3; break;
+ dra = 3;
+ break;
case 0xbe:
- dra = 4; break;
+ dra = 4;
+ break;
default:
die("Unsupported Rows/Columns. (DRA)");
}
@@ -1388,8 +1384,7 @@ static void sdram_set_timing_and_control(struct sys_info *sysinfo)
reg32 &= ~((1 << 13) | (1 << 12));
MCHBAR32(C1DRC0) = reg32;
- if (!sysinfo->dual_channel && sysinfo->dimm[1] !=
- SYSINFO_DIMM_NOT_POPULATED) {
+ if (!sysinfo->dual_channel && sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED) {
reg32 = MCHBAR32(C0DRC0);
reg32 |= (1 << 15);
MCHBAR32(C0DRC0) = reg32;
@@ -1491,7 +1486,7 @@ static void sdram_set_timing_and_control(struct sys_info *sysinfo)
page_size = 1; /* Default: 1k pagesize */
for (i = 0; i < 2*DIMM_SOCKETS; i++) {
if (sysinfo->dimm[i] == SYSINFO_DIMM_X16DS ||
- sysinfo->dimm[i] == SYSINFO_DIMM_X16SS)
+ sysinfo->dimm[i] == SYSINFO_DIMM_X16SS)
page_size = 2; /* 2k pagesize */
}
@@ -1568,13 +1563,13 @@ static void sdram_set_channel_mode(struct sys_info *sysinfo)
printk(BIOS_DEBUG, "Dual Channel Interleaved.\n");
reg32 |= (1 << 1);
} else if (sysinfo->dimm[0] == SYSINFO_DIMM_NOT_POPULATED &&
- sysinfo->dimm[1] == SYSINFO_DIMM_NOT_POPULATED) {
+ sysinfo->dimm[1] == SYSINFO_DIMM_NOT_POPULATED) {
/* Channel 1 only */
printk(BIOS_DEBUG, "Single Channel 1 only.\n");
reg32 |= (1 << 2);
} else if (sdram_capabilities_dual_channel() &&
- (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED ||
- sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED)) {
+ (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED ||
+ sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED)) {
/* Dual Channel Asymmetric */
printk(BIOS_DEBUG, "Dual Channel Asymmetric.\n");
reg32 |= (1 << 0);
@@ -1603,11 +1598,14 @@ static void sdram_program_pll_settings(struct sys_info *sysinfo)
/* Only write the lower byte */
switch (sysinfo->fsb_frequency) {
case 400:
- MCHBAR8(CPCTL) = 0x90; break; /* FSB400 */
+ MCHBAR8(CPCTL) = 0x90;
+ break;
case 533:
- MCHBAR8(CPCTL) = 0x95; break; /* FSB533 */
+ MCHBAR8(CPCTL) = 0x95;
+ break;
case 667:
- MCHBAR8(CPCTL) = 0x8d; break; /* FSB667 */
+ MCHBAR8(CPCTL) = 0x8d;
+ break;
}
MCHBAR16(CPCTL) &= ~(1 << 11);
@@ -1657,11 +1655,14 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo)
freq = CRCLK_400MHz; /* 1.5V requires 400MHz */
break;
case GFX_FREQUENCY_CAP_250MHZ:
- freq = CRCLK_250MHz; break;
+ freq = CRCLK_250MHz;
+ break;
case GFX_FREQUENCY_CAP_200MHZ:
- freq = CRCLK_200MHz; break;
+ freq = CRCLK_200MHz;
+ break;
case GFX_FREQUENCY_CAP_166MHZ:
- freq = CRCLK_166MHz; break;
+ freq = CRCLK_166MHz;
+ break;
}
if (freq != CRCLK_400MHz) {
@@ -1674,13 +1675,17 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo)
printk(BIOS_DEBUG, "Render: ");
switch (freq) {
case CRCLK_166MHz:
- printk(BIOS_DEBUG, "166MHz"); break;
+ printk(BIOS_DEBUG, "166MHz");
+ break;
case CRCLK_200MHz:
- printk(BIOS_DEBUG, "200MHz"); break;
+ printk(BIOS_DEBUG, "200MHz");
+ break;
case CRCLK_250MHz:
- printk(BIOS_DEBUG, "250MHz"); break;
+ printk(BIOS_DEBUG, "250MHz");
+ break;
case CRCLK_400MHz:
- printk(BIOS_DEBUG, "400MHz"); break;
+ printk(BIOS_DEBUG, "400MHz");
+ break;
}
if (i945_silicon_revision() == 0)
@@ -1697,8 +1702,8 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo)
u16 fsb = sysinfo->fsb_frequency;
if ((fsb == 667 && mem == 533) ||
- (fsb == 533 && mem == 533) ||
- (fsb == 533 && mem == 400)) {
+ (fsb == 533 && mem == 533) ||
+ (fsb == 533 && mem == 400)) {
second_vco = 1;
}
@@ -1764,17 +1769,19 @@ static void sdram_program_memory_frequency(struct sys_info *sysinfo)
if (sysinfo->clkcfg_bit7) {
printk(BIOS_DEBUG, "second VCO, ");
-
clkcfg |= (1 << 7);
}
switch (sysinfo->memory_frequency) {
case 400:
- clkcfg |= ((1 + offset) << 4); break;
+ clkcfg |= ((1 + offset) << 4);
+ break;
case 533:
- clkcfg |= ((2 + offset) << 4); break;
+ clkcfg |= ((2 + offset) << 4);
+ break;
case 667:
- clkcfg |= ((3 + offset) << 4); break;
+ clkcfg |= ((3 + offset) << 4);
+ break;
default:
die("Target Memory Frequency Error");
}
@@ -1786,9 +1793,7 @@ static void sdram_program_memory_frequency(struct sys_info *sysinfo)
MCHBAR32(CLKCFG) = clkcfg;
- /* Make sure the following code is in the
- * cache before we execute it.
- */
+ /* Make sure the following code is in the cache before we execute it. */
goto cache_code;
vco_update:
reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_2);
@@ -1929,29 +1934,47 @@ static void sdram_program_clock_crossing(void)
printk(BIOS_DEBUG, "MEM=");
switch (memclk()) {
case 400:
- printk(BIOS_DEBUG, "400"); idx += 0; break;
+ printk(BIOS_DEBUG, "400");
+ idx += 0;
+ break;
case 533:
- printk(BIOS_DEBUG, "533"); idx += 2; break;
+ printk(BIOS_DEBUG, "533");
+ idx += 2;
+ break;
case 667:
- printk(BIOS_DEBUG, "667"); idx += 4; break;
+ printk(BIOS_DEBUG, "667");
+ idx += 4;
+ break;
default:
- printk(BIOS_DEBUG, "RSVD %x", memclk()); return;
+ printk(BIOS_DEBUG, "RSVD %x", memclk());
+ return;
}
printk(BIOS_DEBUG, " FSB=");
switch (fsbclk()) {
case 400:
- printk(BIOS_DEBUG, "400"); idx += 0; break;
+ printk(BIOS_DEBUG, "400");
+ idx += 0;
+ break;
case 533:
- printk(BIOS_DEBUG, "533"); idx += 6; break;
+ printk(BIOS_DEBUG, "533");
+ idx += 6;
+ break;
case 667:
- printk(BIOS_DEBUG, "667"); idx += 12; break;
+ printk(BIOS_DEBUG, "667");
+ idx += 12;
+ break;
case 800:
- printk(BIOS_DEBUG, "800"); idx += 18; break;
+ printk(BIOS_DEBUG, "800");
+ idx += 18;
+ break;
case 1066:
- printk(BIOS_DEBUG, "1066"); idx += 24; break;
+ printk(BIOS_DEBUG, "1066");
+ idx += 24;
+ break;
default:
- printk(BIOS_DEBUG, "RSVD %x\n", fsbclk()); return;
+ printk(BIOS_DEBUG, "RSVD %x\n", fsbclk());
+ return;
}
if (command_clock_crossing[idx] == 0xffffffff)
@@ -2021,9 +2044,9 @@ static void sdram_enhanced_addressing_mode(struct sys_info *sysinfo)
bool chan0_dualsided, chan1_dualsided, chan0_populated, chan1_populated;
chan0_populated = (sysinfo->dimm[0] != SYSINFO_DIMM_NOT_POPULATED ||
- sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED);
+ sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED);
chan1_populated = (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED ||
- sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED);
+ sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED);
chan0_dualsided = (sysinfo->banksize[1] || sysinfo->banksize[3]);
chan1_dualsided = (sysinfo->banksize[5] || sysinfo->banksize[7]);
@@ -2095,7 +2118,6 @@ static void sdram_post_jedec_initialization(struct sys_info *sysinfo)
/* Enable Channel XORing for Dual Channel Interleave */
if (sysinfo->interleaved) {
-
reg32 = MCHBAR32(DCC);
reg32 &= ~(1 << 10);
reg32 |= (1 << 9);
@@ -2193,16 +2215,20 @@ static void sdram_power_management(struct sys_info *sysinfo)
#endif
switch (sysinfo->fsb_frequency) {
case 667:
- MCHBAR32(HGIPMC2) = 0x0d590d59; break;
+ MCHBAR32(HGIPMC2) = 0x0d590d59;
+ break;
case 533:
- MCHBAR32(HGIPMC2) = 0x155b155b; break;
+ MCHBAR32(HGIPMC2) = 0x155b155b;
+ break;
}
} else {
switch (sysinfo->fsb_frequency) {
case 667:
- MCHBAR32(HGIPMC2) = 0x09c409c4; break;
+ MCHBAR32(HGIPMC2) = 0x09c409c4;
+ break;
case 533:
- MCHBAR32(HGIPMC2) = 0x0fa00fa0; break;
+ MCHBAR32(HGIPMC2) = 0x0fa00fa0;
+ break;
}
}
@@ -2212,9 +2238,11 @@ static void sdram_power_management(struct sys_info *sysinfo)
reg32 &= 0xffff0000;
switch (sysinfo->fsb_frequency) {
case 667:
- reg32 |= 0x0600; break;
+ reg32 |= 0x0600;
+ break;
case 533:
- reg32 |= 0x0480; break;
+ reg32 |= 0x0480;
+ break;
}
MCHBAR32(C2C3TT) = reg32;
@@ -2222,9 +2250,11 @@ static void sdram_power_management(struct sys_info *sysinfo)
reg32 &= 0xffff0000;
switch (sysinfo->fsb_frequency) {
case 667:
- reg32 |= 0x0b80; break;
+ reg32 |= 0x0b80;
+ break;
case 533:
- reg32 |= 0x0980; break;
+ reg32 |= 0x0980;
+ break;
}
MCHBAR32(C3C4TT) = reg32;
@@ -2318,9 +2348,7 @@ static void sdram_thermal_management(void)
MCHBAR8(TCO1) = 0x00;
MCHBAR8(TCO0) = 0x00;
- /* The Thermal Sensors for DIMMs at 0x50, 0x52 are at I2C addr
- * 0x30/0x32.
- */
+ /* The Thermal Sensors for DIMMs at 0x50, 0x52 are at I2C addr 0x30/0x32. */
/* TODO This is not implemented yet. Volunteers? */
}
@@ -2331,9 +2359,8 @@ static void sdram_save_receive_enable(void)
u32 reg32;
u8 values[4];
- /* The following values are stored to an unused CMOS
- * area and restored instead of recalculated in case
- * of an S3 resume.
+ /* The following values are stored to an unused CMOS area and restored instead of
+ * recalculated in case of an S3 resume.
*
* C0WL0REOST [7:0] -> 8 bit
* C1WL0REOST [7:0] -> 8 bit
@@ -2429,7 +2456,7 @@ static void sdram_on_die_termination(struct sys_info *sysinfo)
MCHBAR32(ODTC) = reg32;
if (sysinfo->dimm[0] == SYSINFO_DIMM_NOT_POPULATED ||
- sysinfo->dimm[1] == SYSINFO_DIMM_NOT_POPULATED) {
+ sysinfo->dimm[1] == SYSINFO_DIMM_NOT_POPULATED) {
printk(BIOS_DEBUG, "one dimm per channel config..\n");
reg32 = MCHBAR32(C0ODT);
@@ -2485,10 +2512,9 @@ static void sdram_enable_memory_clocks(struct sys_info *sysinfo)
clocks[1] |= ((1 << CLOCKS_WIDTH)-1) << CLOCKS_WIDTH;
#if CONFIG(OVERRIDE_CLOCK_DISABLE)
- /* Usually system firmware turns off system memory clock signals
- * to unused SO-DIMM slots to reduce EMI and power consumption.
- * However, the Kontron 986LCD-M does not like unused clock
- * signals to be disabled.
+ /* Usually system firmware turns off system memory clock signals to unused SO-DIMM slots
+ * to reduce EMI and power consumption.
+ * However, the Kontron 986LCD-M does not like unused clock signals to be disabled.
*/
clocks[0] = 0xf; /* force all clock gate pairs to enable */
@@ -2550,11 +2576,14 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
/* Get CAS latency set up */
switch (sysinfo->cas) {
case 5:
- mrsaddr = MRS_CAS_5; break;
+ mrsaddr = MRS_CAS_5;
+ break;
case 4:
- mrsaddr = MRS_CAS_4; break;
+ mrsaddr = MRS_CAS_4;
+ break;
case 3:
- mrsaddr = MRS_CAS_3; break;
+ mrsaddr = MRS_CAS_3;
+ break;
default:
die("Jedec Error (CAS).\n");
}
@@ -2562,11 +2591,14 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
/* Get tWR set */
switch (sysinfo->twr) {
case 5:
- mrsaddr |= MRS_TWR_5; break;
+ mrsaddr |= MRS_TWR_5;
+ break;
case 4:
- mrsaddr |= MRS_TWR_4; break;
+ mrsaddr |= MRS_TWR_4;
+ break;
case 3:
- mrsaddr |= MRS_TWR_3; break;
+ mrsaddr |= MRS_TWR_3;
+ break;
default:
die("Jedec Error (tWR).\n");
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 03:02:50 +0000