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gm45: Allow skiping voltage config. 

Change-Id: I81b9966212d09d4d2561b3adc20d6d8a8a200f4b
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6630
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Vladimir Serbinenko 2014-08-12 22:50:40 +02:00
parent 951fc26a08
commit 020dc0e13c
3 changed files with 4 additions and 4 deletions
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2
src/mainboard/roda/rk9/romstage.c
View File

@ -179,7 +179,7 @@ void main(unsigned long bist)
raminit_thermal(&sysinfo);
init_igd(&sysinfo, 0, 1); /* Enable IGD, disable PEG. */
init_pm(&sysinfo);
init_pm(&sysinfo, 1);
i82801ix_dmi_setup();
gm45_late_init(sysinfo.stepping);

2
src/northbridge/intel/gm45/gm45.h
View File

@ -408,7 +408,7 @@ void get_gmch_info(sysinfo_t *);
void raminit(sysinfo_t *, int s3resume);
void raminit_thermal(const sysinfo_t *);
void init_igd(const sysinfo_t *, int no_igd, int no_peg);
void init_pm(const sysinfo_t *);
void init_pm(const sysinfo_t *, int do_freq_scaling_cfg);
int raminit_read_vco_index(void);
u32 raminit_get_rank_addr(unsigned int channel, unsigned int rank);

4
src/northbridge/intel/gm45/pm.c
View File

@ -144,7 +144,7 @@ static void init_freq_scaling(const gmch_gfx_t sku, const int low_power_mode)
MCHBAR16(0x11b8 + 2) = 0x4000;
}
void init_pm(const sysinfo_t *const sysinfo)
void init_pm(const sysinfo_t *const sysinfo, int do_freq_scaling_cfg)
{
const stepping_t stepping = sysinfo->stepping;
const fsb_clock_t fsb = sysinfo->selected_timings.fsb_clock;
@ -283,7 +283,7 @@ void init_pm(const sysinfo_t *const sysinfo)
MCHBAR32(0x44) &= ~(1 << 31); /* Was set above. */
}
if ((sysinfo->gfx_type != GMCH_PM45) &&
if ((sysinfo->gfx_type != GMCH_PM45) && do_freq_scaling_cfg &&
(sysinfo->gfx_type != GMCH_UNKNOWN))
init_freq_scaling(sysinfo->gfx_type,
sysinfo->gs45_low_power_mode);