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nehalem/raminit: clean up code and remove write_mchbar functions 

This part of the cleanup patches changes the hash of the output binary; likely
due to the compiler optimizing things differently.

Change-Id: I1a22f6216a75e2b463d4e169e97ad6e0bbaafae8
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/27708
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Felix Held 2018-07-29 05:09:44 +02:00
parent 752cdbc132
commit 22ca8cb415
1 changed files with 28 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
src/northbridge/intel/nehalem/raminit.c
View File

@ -96,22 +96,6 @@ struct ram_training {
#include <lib.h> /* Prototypes */
static inline void write_mchbar32(u32 addr, u32 val)
{
MCHBAR32(addr) = val;
}
static inline void write_mchbar16(u32 addr, u16 val)
{
MCHBAR16(addr) = val;
}
static inline void write_mchbar8(u32 addr, u8 val)
{
MCHBAR8(addr) = val;
}
static inline u32 read_mchbar32(u32 addr)
{
return MCHBAR32(addr);
@ -158,7 +142,7 @@ static void write_1d0(u32 val, u16 addr, int bits, int flag)
MCHBAR32(0x1d4) =
(val & ((1 << bits) - 1)) | (2 << bits) | (flag << bits);
MCHBAR32(0x1d0) = 0x40000000 | addr;
while (read_mchbar32(0x1d0) & 0x800000)
while (MCHBAR32(0x1d0) & 0x800000)
;
}
@ -297,7 +281,7 @@ write_500(struct raminfo *info, int channel, u32 val, u16 addr, int bits,
MCHBAR32(0x504 + (channel << 10)) =
(val & ((1 << bits) - 1)) | (2 << bits) | (flag << bits);
MCHBAR32(0x500 + (channel << 10)) = 0x40000000 | addr;
while (read_mchbar32(0x500 + (channel << 10)) & 0x800000)
while (MCHBAR32(0x500 + (channel << 10)) & 0x800000)
;
}
@ -518,8 +502,8 @@ static void set_334(int zero)
MCHBAR32(0x13c + 8 * k));
}
write_mchbar32(0x334 + (channel << 10) + (j * 0x44),
zero ? 0 : val3[j]);
MCHBAR32(0x334 + (channel << 10) + (j * 0x44)) =
zero ? 0 : val3[j];
MCHBAR32(0x32c + (channel << 10) + (j * 0x44)) =
zero ? 0 : (0x18191819 & lmask);
MCHBAR16(0x34a + (channel << 10) + (j * 0x44)) = c;
@ -1282,7 +1266,7 @@ static void program_board_delay(struct raminfo *info)
(frequency_11(info) * 2 -
4 * (info->fsb_frequency))) >> 3, 7);
}
if (read_mchbar8(0x2ca9) & 1)
if (MCHBAR8(0x2ca9) & 1)
some_delay_3_half_cycles = 3;
for (channel = 0; channel < NUM_CHANNELS; channel++) {
MCHBAR32_OR(0x220 + (channel << 10), 0x18001117);
@ -1318,7 +1302,7 @@ static void program_board_delay(struct raminfo *info)
0x4c9, 4, 1);
}
write_mchbar8(0x2c4, ((1 + (info->clock_speed_index != 0)) << 6) | 0xC);
MCHBAR8(0x2c4) = ((1 + (info->clock_speed_index != 0)) << 6) | 0xC;
{
u8 freq_divisor = 2;
if (info->fsb_frequency == frequency_11(info))
@ -1648,7 +1632,8 @@ static void save_timings(struct raminfo *info)
reg32 = MCHBAR32((channel << 10) + 0x274);
train.reg274265[channel][0] = reg32 >> 16;
train.reg274265[channel][1] = reg32 & 0xffff;
train.reg274265[channel][2] = read_mchbar16 ((channel << 10) + 0x265) >> 8;
train.reg274265[channel][2] =
MCHBAR16((channel << 10) + 0x265) >> 8;
}
train.reg2ca9_bit0 = MCHBAR8(0x2ca9) & 1;
train.reg_6dc = MCHBAR32(0x6dc);
@ -1688,13 +1673,15 @@ static void wait_heci_cb_avail(int len)
u32 raw;
} csr;
while (!(read32(DEFAULT_HECIBAR + 0xc) & 8));
while (!(read32(DEFAULT_HECIBAR + 0xc) & 8))
;
do
csr.raw = read32(DEFAULT_HECIBAR + 0x4);
while (len >
csr.csr.buffer_depth - (csr.csr.buffer_write_ptr -
csr.csr.buffer_read_ptr));
csr.csr.buffer_read_ptr))
;
}
static void send_heci_packet(struct mei_header *head, u32 *payload)
@ -1771,8 +1758,9 @@ recv_heci_packet(struct raminfo *info, struct mei_header *head, u32 *packet,
do
csr.raw = read32(DEFAULT_HECIBAR + 0xc);
while ((head->length + 3) >> 2 >
csr.csr.buffer_write_ptr - csr.csr.buffer_read_ptr);
while (((head->length + 3) >> 2) >
(csr.csr.buffer_write_ptr - csr.csr.buffer_read_ptr))
;
for (i = 0; i < (head->length + 3) >> 2; i++)
packet[i++] = read32(DEFAULT_HECIBAR + 0x8);
@ -3671,11 +3659,11 @@ static void restore_274265(struct raminfo *info)
int channel;
for (channel = 0; channel < NUM_CHANNELS; channel++) {
write_mchbar32((channel << 10) + 0x274,
(info->cached_training->reg274265[channel][0] << 16)
| info->cached_training->reg274265[channel][1]);
write_mchbar16((channel << 10) + 0x265,
info->cached_training->reg274265[channel][2] << 8);
MCHBAR32((channel << 10) + 0x274) =
(info->cached_training->reg274265[channel][0] << 16) |
info->cached_training->reg274265[channel][1];
MCHBAR16((channel << 10) + 0x265) =
info->cached_training->reg274265[channel][2] << 8;
}
if (info->cached_training->reg2ca9_bit0)
MCHBAR8_OR(0x2ca9, 1);
@ -4322,8 +4310,8 @@ void raminit(const int s3resume, const u8 *spd_addrmap)
((info.populated_ranks_mask[channel] & 3) << 20);
for (channel = 0; channel < NUM_CHANNELS; channel++) {
MCHBAR16(0x31c + (channel << 10)) = 0x101;
write_mchbar16(0x360 + (channel << 10), 0x909);
write_mchbar16(0x3a4 + (channel << 10), 0x101);
MCHBAR16(0x360 + (channel << 10)) = 0x909;
MCHBAR16(0x3a4 + (channel << 10)) = 0x101;
MCHBAR16(0x3e8 + (channel << 10)) = 0x101;
MCHBAR32(0x320 + (channel << 10)) = 0x29002900;
MCHBAR32(0x324 + (channel << 10)) = 0x0;
@ -4420,7 +4408,7 @@ void raminit(const int s3resume, const u8 *spd_addrmap)
MCHBAR8(0x5f4) = 0x1;
MCHBAR32_AND(0x130, 0xfffffffd); // | 2 when ?
while (read_mchbar32(0x130) & 1)
while (MCHBAR32(0x130) & 1)
;
gav(read_1d0(0x14b, 7)); // = 0x81023100
write_1d0(0x30, 0x14b, 7, 1);
@ -4447,7 +4435,7 @@ void raminit(const int s3resume, const u8 *spd_addrmap)
MCHBAR32_AND(0x138, ~0x07000000);
MCHBAR32(0x130) = 0x31111301;
/* Wait until REG130b0 is 1. */
while (read_mchbar32(0x130) & 1)
while (MCHBAR32(0x130) & 1)
;
{
@ -4487,7 +4475,7 @@ void raminit(const int s3resume, const u8 *spd_addrmap)
MCHBAR32(0x130) = 0x11111301 | (info.populated_ranks[1][0][0] << 30) |
(info.populated_ranks[0][0][0] << 29);
while (read_mchbar8(0x130) & 1) // !!!!
while (MCHBAR8(0x130) & 1)
;
read_1d0(0xa1, 6); // = 0x1cf4054 // !!!!
read_1d0(0x2f3, 6); // = 0x10a4054 // !!!!
@ -4531,12 +4519,8 @@ void raminit(const int s3resume, const u8 *spd_addrmap)
MCHBAR32_AND_OR(0x134, 0xfc01ffff, 0x10000);
MCHBAR32_AND_OR(0x134, 0xfc85ffff, 0x850000);
for (channel = 0; channel < NUM_CHANNELS; channel++)
write_mchbar32(0x260 + (channel << 10),
(read_mchbar32(0x260 + (channel << 10)) &
~0xf00000) | 0x8000000 | ((info.
populated_ranks_mask
[channel] & 3) <<
20));
MCHBAR32_AND_OR(0x260 + (channel << 10), ~0xf00000, 0x8000000 |
((info.populated_ranks_mask[channel] & 3) << 20));
if (!s3resume)
jedec_init(&info);
@ -4809,8 +4793,7 @@ void raminit(const int s3resume, const u8 *spd_addrmap)
udelay(1000);
u16 ecx;
for (ecx = 0xffff; ecx && (read_mchbar16(0x1170) & 0x1000);
ecx--) // OK
for (ecx = 0xffff; ecx && (MCHBAR16(0x1170) & 0x1000); ecx--)
;
MCHBAR16_AND(0x1190, ~0x4000);
}