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authorKyösti Mälkki <kyosti.malkki@gmail.com>2023-04-14 01:06:22 +0300
committerFelix Held <felix-coreboot@felixheld.de>2023-04-29 02:36:27 +0000
commit5fc0afbc170960d05012eec9b3b8717f65a07478 (patch)
tree193b04832fbed42e857562fd1ce9b0c4fc9c1335 /src/southbridge/intel
parentd1211cb3de2546480cc1179262d31fed9e1eea9a (diff)
asus/p2b, emu/qemu-i440fx: Use acpigen_write_processor_device()
FADT duty_width/duty_offset fields, together with P_CNT (previously P_BLK) IO address are provided with _PTC entry. FADT p_lvl2/3_lat fields had values that disabled C2/C3 state transitions so _CST entries are not required. Change-Id: I629cd0793f6a64e955e197400efaa7d9d898e775 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74440 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/southbridge/intel')
-rw-r--r--src/southbridge/intel/i82371eb/acpi_tables.c8
-rw-r--r--src/southbridge/intel/i82371eb/fadt.c3
2 files changed, 5 insertions, 6 deletions
diff --git a/src/southbridge/intel/i82371eb/acpi_tables.c b/src/southbridge/intel/i82371eb/acpi_tables.c
index a4cd1b3102..a9b9949fdf 100644
--- a/src/southbridge/intel/i82371eb/acpi_tables.c
+++ b/src/southbridge/intel/i82371eb/acpi_tables.c
@@ -8,10 +8,12 @@
static void generate_cpu_entry(int cpu)
{
- int pcontrol_blk = DEFAULT_PMBASE + PCNTRL, plen = 6;
+ acpigen_write_processor_device(cpu);
- acpigen_write_processor(cpu, pcontrol_blk, plen);
- acpigen_pop_len();
+ /* bit 1:3 in PCNTRL reg (pmbase+0x10) */
+ acpigen_write_PTC(3, 1, DEFAULT_PMBASE + PCNTRL);
+
+ acpigen_write_processor_device_end();
}
void generate_cpu_entries(const struct device *device)
diff --git a/src/southbridge/intel/i82371eb/fadt.c b/src/southbridge/intel/i82371eb/fadt.c
index 43e119b746..551ec8fbde 100644
--- a/src/southbridge/intel/i82371eb/fadt.c
+++ b/src/southbridge/intel/i82371eb/fadt.c
@@ -29,9 +29,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->pm_tmr_len = 4;
fadt->gpe0_blk_len = 4;
- fadt->duty_offset = 1; /* bit 1:3 in PCNTRL reg (pmbase+0x10) */
- fadt->duty_width = 3; /* this width is in bits */
-
/*
* bit meaning
* 0 1: We have user-visible legacy devices