diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2019-10-13 23:04:19 +0200 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2019-11-10 22:41:33 +0000 |
| commit | 5efee3a2c28aa7e53074288733632fa06ac66046 (patch) | |
| tree | 2e8c18cb1d18cdbc9c833cf794caabac10e3ec1b /src/soc/intel/broadwell | |
| parent | 95755dd65d18955e375345f06da7966f137e7d62 (diff) | |
soc/intel/broadwell: Don't reinitialize SPI after lockdown
With the common southbridge SPI code reinitialization after lockdown
is not necessary, hence the SMM finalize call becomes a no-op.
Change-Id: I4d7c6ba91dc9f0e0ce4e3228fdf859d5f3d5abf4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36004
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/broadwell')
| -rw-r--r-- | src/soc/intel/broadwell/finalize.c | 6 | ||||
| -rw-r--r-- | src/soc/intel/broadwell/smihandler.c | 19 |
2 files changed, 0 insertions, 25 deletions
diff --git a/src/soc/intel/broadwell/finalize.c b/src/soc/intel/broadwell/finalize.c index 06cc18d67a..10ba1d7c15 100644 --- a/src/soc/intel/broadwell/finalize.c +++ b/src/soc/intel/broadwell/finalize.c @@ -112,12 +112,6 @@ static void broadwell_finalize(void *unused) MCHBAR32(0x6008) = MCHBAR32(0x6008); RCBA32(0x21a4) = RCBA32(0x21a4); - /* Re-init SPI after lockdown */ - spi_init(); - - printk(BIOS_DEBUG, "Finalizing SMM.\n"); - outb(APM_CNT_FINALIZE, APM_CNT); - /* Indicate finalize step with post code */ post_code(POST_OS_BOOT); } diff --git a/src/soc/intel/broadwell/smihandler.c b/src/soc/intel/broadwell/smihandler.c index d37f65a16f..ca99487eb5 100644 --- a/src/soc/intel/broadwell/smihandler.c +++ b/src/soc/intel/broadwell/smihandler.c @@ -312,22 +312,6 @@ static void southbridge_smi_gsmi(void) *ret = gsmi_exec(sub_command, param); } -static void finalize(void) -{ - static int finalize_done; - - if (finalize_done) { - printk(BIOS_DEBUG, "SMM already finalized.\n"); - return; - } - finalize_done = 1; - -#if CONFIG(SPI_FLASH_SMM) - /* Re-init SPI driver to handle locked BAR */ - spi_init(); -#endif -} - static void southbridge_smi_apmc(void) { u8 reg8; @@ -351,9 +335,6 @@ static void southbridge_smi_apmc(void) enable_pm1_control(SCI_EN); printk(BIOS_DEBUG, "SMI#: ACPI enabled.\n"); break; - case APM_CNT_FINALIZE: - finalize(); - break; case APM_CNT_GNVS_UPDATE: if (smm_initialized) { printk(BIOS_DEBUG, |