summaryrefslogtreecommitdiff
path: root/src/northbridge
diff options
context:
space:
mode:
Diffstat (limited to 'src/northbridge')
-rw-r--r--src/northbridge/intel/i945/raminit.c52
1 files changed, 29 insertions, 23 deletions
diff --git a/src/northbridge/intel/i945/raminit.c b/src/northbridge/intel/i945/raminit.c
index 134d11fbdc..51ee65d7df 100644
--- a/src/northbridge/intel/i945/raminit.c
+++ b/src/northbridge/intel/i945/raminit.c
@@ -74,7 +74,7 @@ static __attribute__((noinline)) void do_ram_command(u32 command)
PRINTK_DEBUG(" Sending RAM command 0x%08x", reg32);
- MCHBAR32(DCC) = reg32; /* This is the actual magic */
+ MCHBAR32(DCC) = reg32; /* This is the actual magic */
PRINTK_DEBUG("...done\n");
@@ -205,7 +205,7 @@ static int sdram_capabilities_enhanced_addressing_xor(void)
return (!reg8);
}
-// TODO check if we ever need this function
+/* TODO check if we ever need this function */
#if 0
static int sdram_capabilities_MEM4G_disable(void)
{
@@ -447,7 +447,7 @@ static void gather_common_timing(struct sys_info *sysinfo,
sysinfo->package = SYSINFO_PACKAGE_STACKED;
if (!dimm_info.flags.bl8)
- die("Only DDR-II RAM with burst length 8 is supported by this chipset.\n");
+ die("Only DDR-II RAM with burst length 8 is supported.\n");
if (dimm_info.ranksize_mb < 128)
die("DDR-II rank size smaller than 128MB is not supported.\n");
@@ -495,7 +495,7 @@ static void gather_common_timing(struct sys_info *sysinfo,
die("No memory installed.\n");
if (!(dimm_mask & ((1 << DIMM_SOCKETS) - 1)))
- /* Possibly does not boot in this case */
+ /* FIXME: Possibly does not boot in this case */
printk(BIOS_INFO, "Channel 0 has no memory populated.\n");
}
@@ -809,9 +809,9 @@ static const u32 *slew_group_lookup(int dual_channel, int index)
const u8 *slew_group;
/* Dual Channel needs different tables. */
if (dual_channel)
- slew_group = dual_channel_slew_group_lookup;
+ slew_group = dual_channel_slew_group_lookup;
else
- slew_group = single_channel_slew_group_lookup;
+ slew_group = single_channel_slew_group_lookup;
switch (slew_group[index]) {
case DQ2030: return dq2030;
@@ -950,7 +950,7 @@ static void sdram_rcomp_buffer_strength_and_slew(struct sys_info *sysinfo)
printk(BIOS_DEBUG, "Programming Dual Channel RCOMP\n");
strength_multiplier = dual_channel_strength_multiplier;
dual_channel = 1;
- idx = 5 * sysinfo->dimm[0] + sysinfo->dimm[2];
+ idx = 5 * sysinfo->dimm[0] + sysinfo->dimm[2];
} else {
printk(BIOS_DEBUG, "Programming Single Channel RCOMP\n");
strength_multiplier = single_channel_strength_multiplier;
@@ -1202,7 +1202,7 @@ static int sdram_program_row_boundaries(struct sys_info *sysinfo)
if (sysinfo->interleaved)
tolud = (cum0 + cum1) << 1;
else
- tolud = (cum1 ? cum1 : cum0) << 1;
+ tolud = (cum1 ? cum1 : cum0) << 1;
/* The TOM register has a different format */
tom = tolud >> 3;
@@ -1342,7 +1342,7 @@ static void sdram_program_cke_tristate(struct sys_info *sysinfo)
reg32 |= (1 << 11);
MCHBAR32(C0DRC1) = reg32;
- /* Do we have to do this if we're in Single Channel Mode? */
+ /* Do we have to do this if we're in Single Channel Mode? */
reg32 = MCHBAR32(C1DRC1);
for (i = 4; i < 8; i++) {
@@ -1444,12 +1444,16 @@ static void sdram_set_timing_and_control(struct sys_info *sysinfo)
*/
tRD_min = sysinfo->cas;
switch (sysinfo->fsb_frequency) {
- case 533: break;
- case 667: tRD_min += 1;
+ case 533:
break;
- case 800: tRD_min += 2;
+ case 667:
+ tRD_min += 1;
break;
- case 1066: tRD_min += 3;
+ case 800:
+ tRD_min += 2;
+ break;
+ case 1066:
+ tRD_min += 3;
break;
}
@@ -1557,10 +1561,10 @@ static void sdram_set_channel_mode(struct sys_info *sysinfo)
printk(BIOS_DEBUG, "Setting mode of operation for memory channels...");
if (sdram_capabilities_interleave() &&
- ((sysinfo->banksize[0] + sysinfo->banksize[1] +
- sysinfo->banksize[2] + sysinfo->banksize[3]) ==
- (sysinfo->banksize[4] + sysinfo->banksize[5] +
- sysinfo->banksize[6] + sysinfo->banksize[7]))) {
+ ((sysinfo->banksize[0] + sysinfo->banksize[1] +
+ sysinfo->banksize[2] + sysinfo->banksize[3]) ==
+ (sysinfo->banksize[4] + sysinfo->banksize[5] +
+ sysinfo->banksize[6] + sysinfo->banksize[7]))) {
/* Both channels equipped with DIMMs of the same size */
sysinfo->interleaved = 1;
} else {
@@ -1624,9 +1628,9 @@ static void sdram_program_pll_settings(struct sys_info *sysinfo)
static void sdram_program_graphics_frequency(struct sys_info *sysinfo)
{
- u8 reg8;
+ u8 reg8;
u16 reg16;
- u8 freq, second_vco, voltage;
+ u8 freq, second_vco, voltage;
#define CRCLK_166MHz 0x00
#define CRCLK_200MHz 0x01
@@ -1699,7 +1703,7 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo)
if (voltage == VOLTAGE_1_50) {
second_vco = 1;
- } else if ((i945_silicon_revision() > 0) && (freq == CRCLK_250MHz)) {
+ } else if ((i945_silicon_revision() > 0) && (freq == CRCLK_250MHz)) {
u16 mem = sysinfo->memory_frequency;
u16 fsb = sysinfo->fsb_frequency;
@@ -2507,7 +2511,7 @@ static void sdram_enable_memory_clocks(struct sys_info *sysinfo)
}
#define RTT_ODT_NONE 0
-#define RTT_ODT_50_OHM ((1 << 9) | (1 << 5))
+#define RTT_ODT_50_OHM ((1 << 9) | (1 << 5))
#define RTT_ODT_75_OHM (1 << 5)
#define RTT_ODT_150_OHM (1 << 9)
@@ -2541,13 +2545,15 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
if (sysinfo->interleaved && nonzero < 4 && i >= 4) {
bankaddr = 0x40;
} else {
- printk(BIOS_DEBUG, "bankaddr from bank size of rank %d\n", nonzero);
+ printk(BIOS_DEBUG, "bankaddr from bank size of rank %d\n",
+ nonzero);
bankaddr += sysinfo->banksize[nonzero] <<
(sysinfo->interleaved ? 26 : 25);
}
}
- /* We have a bank with a non-zero size.. Remember it
+ /*
+ * We have a bank with a non-zero size... Remember it
* for the next offset we have to calculate
*/
nonzero = i;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 07:45:13 +0000