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Diffstat (limited to 'src/northbridge/intel/x4x/raminit_ddr2.c')
-rw-r--r--src/northbridge/intel/x4x/raminit_ddr2.c383
1 files changed, 186 insertions, 197 deletions
diff --git a/src/northbridge/intel/x4x/raminit_ddr2.c b/src/northbridge/intel/x4x/raminit_ddr2.c
index 9c414e28a6..e8bb01196e 100644
--- a/src/northbridge/intel/x4x/raminit_ddr2.c
+++ b/src/northbridge/intel/x4x/raminit_ddr2.c
@@ -61,8 +61,8 @@ static u8 msbpos(u32 val)
}
asm ("bsrl %1, %0"
- :"=r"(pos)
- :"r"(val)
+ : "=r"(pos)
+ : "r"(val)
);
return (u8)(pos & 0xff);
@@ -329,13 +329,12 @@ static void launch_ddr2(struct sysinfo *s)
u32 launch2 = 0;
u32 launch3 = 0;
- if (s->selected_timings.CAS == 5) {
+ if (s->selected_timings.CAS == 5)
launch2 = 0x00220201;
- } else if (s->selected_timings.CAS == 6) {
+ else if (s->selected_timings.CAS == 6)
launch2 = 0x00230302;
- } else {
+ else
die("Unsupported CAS\n");
- }
FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
MCHBAR32(0x400*i + 0x220) = launch1;
@@ -571,13 +570,13 @@ static void timings_ddr2(struct sysinfo *s)
twl = s->selected_timings.CAS - 1;
FOR_EACH_POPULATED_DIMM(s->dimms, i) {
- if (s->dimms[i].banks == 1) { // 8 banks
+ if (s->dimms[i].banks == 1) {
+ /* 8 banks */
trpmod = 1;
bankmod = 0;
}
- if (s->dimms[i].page_size == 2048) {
+ if (s->dimms[i].page_size == 2048)
pagemod = 1;
- }
}
FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
@@ -606,32 +605,28 @@ static void timings_ddr2(struct sysinfo *s)
default:
case MEM_CLOCK_667MHz:
if (reg8) {
- if (pagemod) {
+ if (pagemod)
reg32 |= 16 << 22;
- } else {
+ else
reg32 |= 12 << 22;
- }
} else {
- if (pagemod) {
+ if (pagemod)
reg32 |= 18 << 22;
- } else {
+ else
reg32 |= 14 << 22;
- }
}
break;
case MEM_CLOCK_800MHz:
if (reg8) {
- if (pagemod) {
+ if (pagemod)
reg32 |= 18 << 22;
- } else {
+ else
reg32 |= 14 << 22;
- }
} else {
- if (pagemod) {
+ if (pagemod)
reg32 |= 20 << 22;
- } else {
+ else
reg32 |= 16 << 22;
- }
}
break;
}
@@ -678,18 +673,17 @@ static void timings_ddr2(struct sysinfo *s)
MCHBAR32(0x400*i + 0x248) = (MCHBAR32(0x400*i + 0x248) & ~0x0f001f00) |
reg32;
- if (twl > 2) {
+ if (twl > 2)
flag1 = 1;
- }
- if (s->selected_timings.mem_clk >= MEM_CLOCK_800MHz) {
+
+ if (s->selected_timings.mem_clk >= MEM_CLOCK_800MHz)
flag2 = 1;
- }
+
reg16 = (u8)(twl - 1 - flag1 - flag2);
reg16 |= reg16 << 4;
if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz) {
- if (reg16) {
+ if (reg16)
reg16--;
- }
}
reg16 |= flag1 << 8;
reg16 |= flag2 << 9;
@@ -708,11 +702,10 @@ static void timings_ddr2(struct sysinfo *s)
reg16 = 0x99;
break;
case MEM_CLOCK_800MHz:
- if (s->selected_timings.CAS == 5) {
+ if (s->selected_timings.CAS == 5)
reg16 = 0x19a;
- } else if (s->selected_timings.CAS == 6) {
+ else if (s->selected_timings.CAS == 6)
reg16 = 0x9a;
- }
break;
}
reg16 &= 0x7;
@@ -807,9 +800,11 @@ static void dll_ddr2(struct sysinfo *s)
MCHBAR16(0x400*i + 0x59c) = MCHBAR16(0x400*i + 0x59c) & ~0x3000;
reg32 = 0;
- FOR_EACH_RANK_IN_CHANNEL(r) if (!RANK_IS_POPULATED(s->dimms, i, r)) {
- reg32 |= 0x111 << r;
+ FOR_EACH_RANK_IN_CHANNEL(r) {
+ if (!RANK_IS_POPULATED(s->dimms, i, r))
+ reg32 |= 0x111 << r;
}
+
MCHBAR32(0x400*i + 0x59c) = (MCHBAR32(0x400*i + 0x59c) & ~0xfff) | reg32;
MCHBAR8(0x400*i + 0x594) = MCHBAR8(0x400*i + 0x594) & ~1;
@@ -845,56 +840,56 @@ static void dll_ddr2(struct sysinfo *s)
u8 dll_setting_667[23][5] = {
// tap pi db delay
- {13, 0, 1,0, 0},
- {4, 1, 0,0, 0},
- {13, 0, 1,0, 0},
- {4, 5, 0,0, 0},
- {4, 1, 0,0, 0},
- {4, 1, 0,0, 0},
- {4, 1, 0,0, 0},
- {1, 5, 1,1, 1},
- {1, 6, 1,1, 1},
- {2, 0, 1,1, 1},
- {2, 1, 1,1, 1},
- {2, 1, 1,1, 1},
- {14, 6, 1,0, 0},
- {14, 3, 1,0, 0},
- {14, 0, 1,0, 0},
- {9, 0, 0,0, 1},
- {9, 1, 0,0, 1},
- {9, 2, 0,0, 1},
- {9, 2, 0,0, 1},
- {9, 1, 0,0, 1},
- {6, 4, 0,0, 1},
- {6, 2, 0,0, 1},
- {5, 4, 0,0, 1}
+ {13, 0, 1, 0, 0},
+ {4, 1, 0, 0, 0},
+ {13, 0, 1, 0, 0},
+ {4, 5, 0, 0, 0},
+ {4, 1, 0, 0, 0},
+ {4, 1, 0, 0, 0},
+ {4, 1, 0, 0, 0},
+ {1, 5, 1, 1, 1},
+ {1, 6, 1, 1, 1},
+ {2, 0, 1, 1, 1},
+ {2, 1, 1, 1, 1},
+ {2, 1, 1, 1, 1},
+ {14, 6, 1, 0, 0},
+ {14, 3, 1, 0, 0},
+ {14, 0, 1, 0, 0},
+ {9, 0, 0, 0, 1},
+ {9, 1, 0, 0, 1},
+ {9, 2, 0, 0, 1},
+ {9, 2, 0, 0, 1},
+ {9, 1, 0, 0, 1},
+ {6, 4, 0, 0, 1},
+ {6, 2, 0, 0, 1},
+ {5, 4, 0, 0, 1}
};
u8 dll_setting_800[23][5] = {
// tap pi db delay
- {11, 5, 1,0, 0},
- {0, 5, 1,1, 0},
- {11, 5, 1,0, 0},
- {1, 4, 1,1, 0},
- {0, 5, 1,1, 0},
- {0, 5, 1,1, 0},
- {0, 5, 1,1, 0},
- {2, 5, 1,1, 1},
- {2, 6, 1,1, 1},
- {3, 0, 1,1, 1},
- {3, 0, 1,1, 1},
- {3, 3, 1,1, 1},
- {2, 0, 1,1, 1},
- {1, 3, 1,1, 1},
- {0, 3, 1,1, 1},
- {9, 3, 0,0, 1},
- {9, 4, 0,0, 1},
- {9, 5, 0,0, 1},
- {9, 6, 0,0, 1},
- {10, 0, 0,0, 1},
- {8, 1, 0,0, 1},
- {7, 5, 0,0, 1},
- {6, 2, 0,0, 1}
+ {11, 5, 1, 0, 0},
+ {0, 5, 1, 1, 0},
+ {11, 5, 1, 0, 0},
+ {1, 4, 1, 1, 0},
+ {0, 5, 1, 1, 0},
+ {0, 5, 1, 1, 0},
+ {0, 5, 1, 1, 0},
+ {2, 5, 1, 1, 1},
+ {2, 6, 1, 1, 1},
+ {3, 0, 1, 1, 1},
+ {3, 0, 1, 1, 1},
+ {3, 3, 1, 1, 1},
+ {2, 0, 1, 1, 1},
+ {1, 3, 1, 1, 1},
+ {0, 3, 1, 1, 1},
+ {9, 3, 0, 0, 1},
+ {9, 4, 0, 0, 1},
+ {9, 5, 0, 0, 1},
+ {9, 6, 0, 0, 1},
+ {10, 0, 0, 0, 1},
+ {8, 1, 0, 0, 1},
+ {7, 5, 0, 0, 1},
+ {6, 2, 0, 0, 1}
};
FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
@@ -931,7 +926,8 @@ static void dll_ddr2(struct sysinfo *s)
for (i = 0; i < 16; i++) {
MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i;
MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10;
- while (MCHBAR8(0x180) & 0x10);
+ while (MCHBAR8(0x180) & 0x10)
+ ;
if (MCHBAR32(0x184) == 0xffffffff) {
j++;
if (j >= 2)
@@ -951,7 +947,8 @@ static void dll_ddr2(struct sysinfo *s)
for (; i < 16; i++) {
MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i;
MCHBAR8(0x180) = MCHBAR8(0x180) | 0x4;
- while (MCHBAR8(0x180) & 0x10);
+ while (MCHBAR8(0x180) & 0x10)
+ ;
if (MCHBAR32(0x184) == 0) {
i++;
break;
@@ -960,9 +957,10 @@ static void dll_ddr2(struct sysinfo *s)
for (; i < 16; i++) {
MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i;
MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10;
- while (MCHBAR8(0x180) & 0x10);
+ while (MCHBAR8(0x180) & 0x10)
+ ;
if (MCHBAR32(0x184) == 0xffffffff) {
- j++;
+ j++;
if (j >= 2)
break;
} else {
@@ -972,7 +970,8 @@ static void dll_ddr2(struct sysinfo *s)
if (j < 2) {
MCHBAR8(0x1c8) = MCHBAR8(0x1c8) & ~0x1f;
MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10;
- while (MCHBAR8(0x180) & 0x10);
+ while (MCHBAR8(0x180) & 0x10)
+ ;
j = 2;
}
}
@@ -986,7 +985,7 @@ static void dll_ddr2(struct sysinfo *s)
if (async != 1) {
reg8 = MCHBAR8(0x188) & 0x1e;
if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz &&
- s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) {
+ s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) {
clk = 0x10;
} else if (s->selected_timings.mem_clk == MEM_CLOCK_800MHz) {
clk = 0x10;
@@ -1002,7 +1001,8 @@ static void dll_ddr2(struct sysinfo *s)
i = (i + 10) % 14;
MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i;
MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10;
- while (MCHBAR8(0x180) & 0x10);
+ while (MCHBAR8(0x180) & 0x10)
+ ;
}
reg8 = MCHBAR8(0x188) & ~1;
@@ -1013,19 +1013,17 @@ static void dll_ddr2(struct sysinfo *s)
reg8 |= 1;
MCHBAR8(0x188) = reg8;
- if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz) {
+ if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz)
MCHBAR8(0x18c) = MCHBAR8(0x18c) | 1;
- }
// Program DQ/DQS dll settings
reg32 = 0;
FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
for (lane = 0; lane < 8; lane++) {
- if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+ if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz)
reg32 = 0x06db7777;
- } else if (s->selected_timings.mem_clk == MEM_CLOCK_800MHz) {
+ else if (s->selected_timings.mem_clk == MEM_CLOCK_800MHz)
reg32 = 0x00007777;
- }
MCHBAR32(0x400*i + 0x540 + lane*4) =
(MCHBAR32(0x400*i + 0x540 + lane*4) & 0x0fffffff) |
reg32;
@@ -1034,19 +1032,15 @@ static void dll_ddr2(struct sysinfo *s)
FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
- for (lane = 0; lane < 8; lane++) {
+ for (lane = 0; lane < 8; lane++)
dqsset(i, lane, &dll_setting_667[DQS1+lane][0]);
- }
- for (lane = 0; lane < 8; lane++) {
+ for (lane = 0; lane < 8; lane++)
dqset(i, lane, &dll_setting_667[DQ1+lane][0]);
- }
} else {
- for (lane = 0; lane < 8; lane++) {
+ for (lane = 0; lane < 8; lane++)
dqsset(i, lane, &dll_setting_800[DQS1+lane][0]);
- }
- for (lane = 0; lane < 8; lane++) {
+ for (lane = 0; lane < 8; lane++)
dqset(i, lane, &dll_setting_800[DQ1+lane][0]);
- }
}
}
}
@@ -1054,7 +1048,8 @@ static void dll_ddr2(struct sysinfo *s)
static void rcomp_ddr2(struct sysinfo *s)
{
u8 i, j, k;
- u32 x32a[8] = { 0x04040404, 0x06050505, 0x09090807, 0x0D0C0B0A, 0x04040404, 0x08070605, 0x0C0B0A09, 0x100F0E0D };
+ u32 x32a[8] = { 0x04040404, 0x06050505, 0x09090807, 0x0D0C0B0A,
+ 0x04040404, 0x08070605, 0x0C0B0A09, 0x100F0E0D };
u16 x378[6] = { 0, 0xAAAA, 0x7777, 0x7777, 0x7777, 0x7777 };
u32 x382[6] = { 0, 0x02020202, 0x02020202, 0x02020202, 0x04030303, 0x04030303 };
u32 x386[6] = { 0, 0x03020202, 0x03020202, 0x03020202, 0x05040404, 0x05040404 };
@@ -1113,12 +1108,10 @@ static void rcomp_ddr2(struct sysinfo *s)
MCHBAR16(0x178) = 0x0135;
MCHBAR32(0x130) = (MCHBAR32(0x130) & ~0x7bdffe0) | 0x7a9ffa0;
- if (!CHANNEL_IS_POPULATED(s->dimms, 0)) {
+ if (!CHANNEL_IS_POPULATED(s->dimms, 0))
MCHBAR32(0x130) = MCHBAR32(0x130) & ~(1 << 27);
- }
- if (!CHANNEL_IS_POPULATED(s->dimms, 1)) {
+ if (!CHANNEL_IS_POPULATED(s->dimms, 1))
MCHBAR32(0x130) = MCHBAR32(0x130) & ~(1 << 28);
- }
MCHBAR8(0x130) = MCHBAR8(0x130) | 1;
}
@@ -1127,22 +1120,22 @@ static void odt_ddr2(struct sysinfo *s)
{
u8 i;
u16 odt[16][2] = {
- { 0x0000,0x0000 }, // NC_NC
- { 0x0000,0x0001 }, // x8SS_NC
- { 0x0000,0x0011 }, // x8DS_NC
- { 0x0000,0x0001 }, // x16SS_NC
- { 0x0004,0x0000 }, // NC_x8SS
- { 0x0101,0x0404 }, // x8SS_x8SS
- { 0x0101,0x4444 }, // x8DS_x8SS
- { 0x0101,0x0404 }, // x16SS_x8SS
- { 0x0044,0x0000 }, // NC_x8DS
- { 0x1111,0x0404 }, // x8SS_x8DS
- { 0x1111,0x4444 }, // x8DS_x8DS
- { 0x1111,0x0404 }, // x16SS_x8DS
- { 0x0004,0x0000 }, // NC_x16SS
- { 0x0101,0x0404 }, // x8SS_x16SS
- { 0x0101,0x4444 }, // x8DS_x16SS
- { 0x0101,0x0404 }, // x16SS_x16SS
+ { 0x0000, 0x0000 }, // NC_NC
+ { 0x0000, 0x0001 }, // x8SS_NC
+ { 0x0000, 0x0011 }, // x8DS_NC
+ { 0x0000, 0x0001 }, // x16SS_NC
+ { 0x0004, 0x0000 }, // NC_x8SS
+ { 0x0101, 0x0404 }, // x8SS_x8SS
+ { 0x0101, 0x4444 }, // x8DS_x8SS
+ { 0x0101, 0x0404 }, // x16SS_x8SS
+ { 0x0044, 0x0000 }, // NC_x8DS
+ { 0x1111, 0x0404 }, // x8SS_x8DS
+ { 0x1111, 0x4444 }, // x8DS_x8DS
+ { 0x1111, 0x0404 }, // x16SS_x8DS
+ { 0x0004, 0x0000 }, // NC_x16SS
+ { 0x0101, 0x0404 }, // x8SS_x16SS
+ { 0x0101, 0x4444 }, // x8DS_x16SS
+ { 0x0101, 0x0404 }, // x16SS_x16SS
};
FOR_EACH_POPULATED_CHANNEL(s->dimms, i) {
@@ -1160,7 +1153,7 @@ static void dojedec_ddr2(u8 r, u8 ch, u8 cmd, u16 val)
MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | cmd;
MCHBAR8(0x671) = (MCHBAR8(0x671) & ~0x3e) | cmd;
- rubbish = read32((void*)((val<<3) | addr));
+ rubbish = read32((void *)((val<<3) | addr));
udelay(10);
MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | NORMALOP_CMD;
MCHBAR8(0x671) = (MCHBAR8(0x671) & ~0x3e) | NORMALOP_CMD;
@@ -1250,9 +1243,8 @@ static u8 sampledqs(u16 mchloc, u32 addr, u8 hilow, u8 repeat)
barrier();
strobe = read32((u32 *)addr);
barrier();
- if (((MCHBAR32(mchloc) & 0x40) >> 6) != hilow) {
+ if (((MCHBAR32(mchloc) & 0x40) >> 6) != hilow)
dqsmatch = 0;
- }
}
return dqsmatch;
}
@@ -1277,18 +1269,28 @@ static void rcven_ddr2(struct sysinfo *s)
FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
addr = (ch << 29);
- for (i = 0; !RANK_IS_POPULATED(s->dimms, ch, i); i++) {
+ for (i = 0; !RANK_IS_POPULATED(s->dimms, ch, i); i++)
addr += 128*1024*1024;
- }
+
for (lane = 0; lane < 8; lane++) {
printk(BIOS_DEBUG, "Channel %d, Lane %d addr=0x%08x\n", ch, lane, addr);
coarsecommon = (s->selected_timings.CAS - 1);
switch (lane) {
- case 0: case 1: medium = 0; break;
- case 2: case 3: medium = 1; break;
- case 4: case 5: medium = 2; break;
- case 6: case 7: medium = 3; break;
- default: medium = 0; break;
+ case 0: case 1:
+ medium = 0;
+ break;
+ case 2: case 3:
+ medium = 1;
+ break;
+ case 4: case 5:
+ medium = 2;
+ break;
+ case 6: case 7:
+ medium = 3;
+ break;
+ default:
+ medium = 0;
+ break;
}
mchbar = 0x400*ch + 0x561 + (lane << 2);
tap = 0;
@@ -1378,9 +1380,8 @@ static void rcven_ddr2(struct sysinfo *s)
while (sampledqs(mchbar, addr, 1, 1) == 0) {
savetap = tap;
tap++;
- if (tap > 14) {
+ if (tap > 14)
break;
- }
MCHBAR8(0x400*ch + 0x560 + (lane*4)) =
(MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0xf) | tap;
}
@@ -1402,9 +1403,8 @@ static void rcven_ddr2(struct sysinfo *s)
MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) &
~(3 << (lane*2))) | (medium << (lane*2));
}
- if (sampledqs(mchbar, addr, 1, 1) == 0) {
+ if (sampledqs(mchbar, addr, 1, 1) == 0)
die("Not at DQS high, doh\n");
- }
printk(BIOS_DEBUG, "rcven 0.4\n");
while (sampledqs(mchbar, addr, 1, 1) == 1) {
@@ -1451,9 +1451,8 @@ static void rcven_ddr2(struct sysinfo *s)
while (sampledqs(mchbar, addr, 1, 1) == 0) {
savetap = tap;
tap++;
- if (tap > 14) {
+ if (tap > 14)
break;
- }
MCHBAR8(0x400*ch + 0x560 + lane*4) =
(MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0xf) | tap;
}
@@ -1472,9 +1471,8 @@ static void rcven_ddr2(struct sysinfo *s)
// Find minimum coarse value
for (lane = 0; lane < 8; lane++) {
- if (mincoarse > lanecoarse[lane]) {
+ if (mincoarse > lanecoarse[lane])
mincoarse = lanecoarse[lane];
- }
}
printk(BIOS_DEBUG, "Found min coarse value = %d\n", mincoarse);
@@ -1619,18 +1617,17 @@ static void dradrb_ddr2(struct sysinfo *s)
rankpop0 = 0;
rankpop1 = 0;
FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
- if (((s->dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED) && ((r) < s->dimms[ch<<1].ranks))) {
+ if (s->dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED
+ && (r) < s->dimms[ch<<1].ranks)
i = ch << 1;
- } else {
+ else
i = (ch << 1) + 1;
- }
dra = dratab[s->dimms[i].banks]
[s->dimms[i].width]
[s->dimms[i].cols-9]
[s->dimms[i].rows-12];
- if (s->dimms[i].banks == 1) {
+ if (s->dimms[i].banks == 1)
dra |= 0x80;
- }
if (ch == 0) {
c0dra |= dra << (r*8);
rankpop0 |= 1 << r;
@@ -1645,20 +1642,20 @@ static void dradrb_ddr2(struct sysinfo *s)
MCHBAR8(0x262) = (MCHBAR8(0x262) & ~0xf0) | ((rankpop0 << 4) & 0xf0);
MCHBAR8(0x662) = (MCHBAR8(0x662) & ~0xf0) | ((rankpop1 << 4) & 0xf0);
- if (ONLY_DIMMA_IS_POPULATED(s->dimms, 0) || ONLY_DIMMB_IS_POPULATED(s->dimms, 0)) {
+ if (ONLY_DIMMA_IS_POPULATED(s->dimms, 0) ||
+ ONLY_DIMMB_IS_POPULATED(s->dimms, 0))
MCHBAR8(0x260) = MCHBAR8(0x260) | 1;
- }
- if (ONLY_DIMMA_IS_POPULATED(s->dimms, 1) || ONLY_DIMMB_IS_POPULATED(s->dimms, 1)) {
+ if (ONLY_DIMMA_IS_POPULATED(s->dimms, 1) ||
+ ONLY_DIMMB_IS_POPULATED(s->dimms, 1))
MCHBAR8(0x660) = MCHBAR8(0x660) | 1;
- }
// DRB
FOR_EACH_POPULATED_RANK(s->dimms, ch, r) {
- if (((s->dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED) && ((r) < s->dimms[ch<<1].ranks))) {
+ if (s->dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED
+ && (r) < s->dimms[ch<<1].ranks)
i = ch << 1;
- } else {
+ else
i = (ch << 1) + 1;
- }
if (ch == 0) {
dra0 = (c0dra >> (8*r)) & 0x7f;
c0drb = (u16)(c0drb + drbtab[dra0]);
@@ -1705,30 +1702,27 @@ static void dradrb_ddr2(struct sysinfo *s)
MCHBAR16(0x102) = size0 + size1 - size;
map = 0;
- if (size0 == 0) {
+ if (size0 == 0)
map = 0;
- } else if (size1 == 0) {
+ else if (size1 == 0)
map |= 0x20;
- } else {
+ else
map |= 0x40;
- }
- if (size == 0) {
+
+ if (size == 0)
map |= 0x18;
- }
- if (size0 - ME_UMA_SIZEMB >= size1) {
+ if (size0 - ME_UMA_SIZEMB >= size1)
map |= 0x4;
- }
MCHBAR8(0x110) = map;
MCHBAR16(0x10e) = 0;
- if (size1 != 0) {
+ if (size1 != 0)
offset = 0;
- } else if ((size0 > size1) && ((map & 0x7) == 0x4)) {
+ else if ((size0 > size1) && ((map & 0x7) == 0x4))
offset = size/2 + (size0 + size1 - size);
- } else {
+ else
offset = size/2 + ME_UMA_SIZEMB;
- }
MCHBAR16(0x108) = offset;
MCHBAR16(0x10a) = size/2;
}
@@ -1743,7 +1737,7 @@ static void mmap_ddr2(struct sysinfo *s)
160, 224, 352 };
u8 ggc2gtt[] = { 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 3, 4};
- ggc = pci_read_config16(PCI_DEV(0,0,0), 0x52);
+ ggc = pci_read_config16(PCI_DEV(0, 0, 0), 0x52);
gfxsize = ggc2uma[(ggc & 0xf0) >> 4];
gttsize = ggc2gtt[(ggc & 0xf00) >> 8];
tsegsize = 1; // 1MB TSEG
@@ -1770,18 +1764,18 @@ static void mmap_ddr2(struct sysinfo *s)
gttbase = gfxbase - gttsize;
tsegbase = gttbase - tsegsize;
- pci_write_config16(PCI_DEV(0,0,0), 0xb0, tolud << 4);
- pci_write_config16(PCI_DEV(0,0,0), 0xa0, tom >> 6);
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xb0, tolud << 4);
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xa0, tom >> 6);
if (reclaim) {
- pci_write_config16(PCI_DEV(0,0,0), 0x98,
+ pci_write_config16(PCI_DEV(0, 0, 0), 0x98,
(u16)(reclaimbase >> 6));
- pci_write_config16(PCI_DEV(0,0,0), 0x9a,
+ pci_write_config16(PCI_DEV(0, 0, 0), 0x9a,
(u16)(reclaimlimit >> 6));
}
- pci_write_config16(PCI_DEV(0,0,0), 0xa2, touud);
- pci_write_config32(PCI_DEV(0,0,0), 0xa4, gfxbase << 20);
- pci_write_config32(PCI_DEV(0,0,0), 0xa8, gttbase << 20);
- pci_write_config32(PCI_DEV(0,0,0), 0xac, tsegbase << 20);
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xa2, touud);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xa4, gfxbase << 20);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xa8, gttbase << 20);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xac, tsegbase << 20);
}
static void enhanced_ddr2(struct sysinfo *s)
@@ -1810,8 +1804,8 @@ static void enhanced_ddr2(struct sysinfo *s)
MCHBAR32(0x400*ch + 0x290) = 0x4f2091c;
}
- reg8 = pci_read_config8(PCI_DEV(0,0,0), 0xf0);
- pci_write_config8(PCI_DEV(0,0,0), 0xf0, reg8 | 1);
+ reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf0);
+ pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 | 1);
MCHBAR32(0xfa0) = (MCHBAR32(0xfa0) & ~0x20002) | 0x2;
MCHBAR32(0xfa4) = (MCHBAR32(0xfa4) & ~0x219100c3) | 0x219100c2;
MCHBAR32(0x2c) = 0x44a53;
@@ -1821,7 +1815,7 @@ static void enhanced_ddr2(struct sysinfo *s)
MCHBAR32(0x3c) = 0x23014410;
MCHBAR32(0x40) = (MCHBAR32(0x40) & ~0x8f038000) | 0x8f038000;
MCHBAR32(0x20) = 0x33001;
- pci_write_config8(PCI_DEV(0,0,0), 0xf0, reg8 & ~1);
+ pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 & ~1);
}
static void power_ddr2(struct sysinfo *s)
@@ -1857,11 +1851,10 @@ static void power_ddr2(struct sysinfo *s)
reg3 = 0x232;
reg4 = 0x2864;
- if (CHANNEL_IS_POPULATED(s->dimms, 0) && CHANNEL_IS_POPULATED(s->dimms, 1)) {
+ if (CHANNEL_IS_POPULATED(s->dimms, 0) && CHANNEL_IS_POPULATED(s->dimms, 1))
MCHBAR32(0x14) = 0x0010461f;
- } else {
+ else
MCHBAR32(0x14) = 0x0010691f;
- }
MCHBAR32(0x18) = 0xdf6437f7;
MCHBAR32(0x1c) = 0x0;
MCHBAR32(0x24) = (MCHBAR32(0x24) & ~0xe0000000) | 0x30000000;
@@ -1907,22 +1900,20 @@ static void power_ddr2(struct sysinfo *s)
MCHBAR32(0xfbc) = (MCHBAR32(0xfbc) & ~0x7f800) | 0xf000;
MCHBAR32(0x1104) = 0x3003232;
MCHBAR32(0x1108) = 0x74;
- if (s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) {
+ if (s->selected_timings.fsb_clk == FSB_CLOCK_800MHz)
MCHBAR32(0x110c) = 0xaa;
- } else {
+ else
MCHBAR32(0x110c) = 0x100;
- }
MCHBAR32(0x1110) = 0x10810350 & ~0x78;
MCHBAR32(0x1114) = 0;
- if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+ if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz)
twl = 5;
- } else {
+ else
twl = 6;
- }
x592 = 0xff;
- if (pci_read_config8(PCI_DEV(0,0,0), 0x8) < 3) {
+ if (pci_read_config8(PCI_DEV(0, 0, 0), 0x8) < 3)
x592 = ~0x4;
- }
+
FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
MCHBAR8(0x400*ch + 0x239) = twl + 15;
MCHBAR16(0x400*ch + 0x23c) = x23c;
@@ -1933,9 +1924,8 @@ static void power_ddr2(struct sysinfo *s)
MCHBAR8(0x400*ch + 0x593) = (MCHBAR8(0x400*ch + 0x593) & ~0x1f) | 0x1e;
}
- for (lane = 0; lane < 8; lane++) {
+ for (lane = 0; lane < 8; lane++)
MCHBAR8(0x561 + (lane << 2)) = MCHBAR8(0x561 + (lane << 2)) & ~(1 << 3);
- }
}
void raminit_ddr2(struct sysinfo *s)
@@ -1971,7 +1961,7 @@ void raminit_ddr2(struct sysinfo *s)
die("Error: DDR is faster than FSB, halt\n");
}
- udelay(250000);
+ mdelay(250);
// Program clock crossing
clkcross_ddr2(s);
@@ -2026,12 +2016,12 @@ void raminit_ddr2(struct sysinfo *s)
MCHBAR8(0x100) = (2 << 5) | (3 << 3);
MCHBAR16(0x10e) = 0;
MCHBAR32(0x108) = 0;
- pci_write_config16(PCI_DEV(0,0,0), 0xb0, 0x4000);
- pci_write_config16(PCI_DEV(0,0,0), 0xa0, 0x0010);
- pci_write_config16(PCI_DEV(0,0,0), 0xa2, 0x0400);
- pci_write_config32(PCI_DEV(0,0,0), 0xa4, 0x40000000);
- pci_write_config32(PCI_DEV(0,0,0), 0xa8, 0x40000000);
- pci_write_config32(PCI_DEV(0,0,0), 0xac, 0x40000000);
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xb0, 0x4000);
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xa0, 0x0010);
+ pci_write_config16(PCI_DEV(0, 0, 0), 0xa2, 0x0400);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xa4, 0x40000000);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xa8, 0x40000000);
+ pci_write_config32(PCI_DEV(0, 0, 0), 0xac, 0x40000000);
// IOBUFACT
if (CHANNEL_IS_POPULATED(s->dimms, 0)) {
@@ -2039,7 +2029,7 @@ void raminit_ddr2(struct sysinfo *s)
MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x7;
}
if (CHANNEL_IS_POPULATED(s->dimms, 1)) {
- if (pci_read_config8(PCI_DEV(0,0,0), 0x8) < 2) {
+ if (pci_read_config8(PCI_DEV(0, 0, 0), 0x8) < 2) {
MCHBAR8(0x5dd) = (MCHBAR8(0x5dd) & ~0x3f) | 0x3f;
MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 1;
}
@@ -2065,11 +2055,10 @@ void raminit_ddr2(struct sysinfo *s)
// After JEDEC reset
MCHBAR8(0x40) = MCHBAR8(0x40) & ~0x2;
FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) {
- if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) {
+ if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz)
reg32 = (2 << 18) | (3 << 13) | (5 << 8);
- } else {
+ else
reg32 = (2 << 18) | (3 << 13) | (4 << 8);
- }
MCHBAR32(0x400*ch + 0x274) = (MCHBAR32(0x400*ch + 0x274) & ~0xfff00) | reg32;
MCHBAR8(0x400*ch + 0x274) = MCHBAR8(0x400*ch + 0x274) & ~0x80;
MCHBAR8(0x400*ch + 0x26c) = MCHBAR8(0x400*ch + 0x26c) | 1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 17:48:06 +0000