From 7e58f43e46d4382cf4541057f81fe6be3e4d6e74 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Fri, 2 May 2014 15:08:17 -0700 Subject: [PATCH] broadwell: acpi: Add function to fill out FADT This is common code that can be shared across all broadwell systems instead of being implemented in every main board. BUG=chrome-os-partner:28234 TEST=None Change-Id: I2535f4d71c28b5804c65619e7818170f5a277e26 Signed-off-by: Duncan Laurie Reviewed-on: https://chromium-review.googlesource.com/199406 Reviewed-by: Aaron Durbin --- src/soc/intel/broadwell/acpi.c | 109 +++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) diff --git a/src/soc/intel/broadwell/acpi.c b/src/soc/intel/broadwell/acpi.c index f18c3754ec..8704b73810 100644 --- a/src/soc/intel/broadwell/acpi.c +++ b/src/soc/intel/broadwell/acpi.c @@ -227,6 +227,115 @@ static int generate_C_state_entries(void) return len; } +void acpi_fill_in_fadt(acpi_fadt_t *fadt) +{ + const uint16_t pmbase = ACPI_BASE_ADDRESS; + + fadt->sci_int = acpi_sci_irq(); + fadt->smi_cmd = APM_CNT; + fadt->acpi_enable = APM_CNT_ACPI_ENABLE; + fadt->acpi_disable = APM_CNT_ACPI_DISABLE; + fadt->s4bios_req = 0x0; + fadt->pstate_cnt = 0; + + fadt->pm1a_evt_blk = pmbase + PM1_STS; + fadt->pm1b_evt_blk = 0x0; + fadt->pm1a_cnt_blk = pmbase + PM1_CNT; + fadt->pm1b_cnt_blk = 0x0; + fadt->pm2_cnt_blk = pmbase + PM2_CNT; + fadt->pm_tmr_blk = pmbase + PM1_TMR; + fadt->gpe0_blk = pmbase + GPE0_STS(0); + fadt->gpe1_blk = 0; + + fadt->pm1_evt_len = 4; + fadt->pm1_cnt_len = 2; + fadt->pm2_cnt_len = 1; + fadt->pm_tmr_len = 4; + fadt->gpe0_blk_len = 32; + fadt->gpe1_blk_len = 0; + fadt->gpe1_base = 0; + fadt->cst_cnt = 0; + fadt->p_lvl2_lat = 1; + fadt->p_lvl3_lat = 87; + fadt->flush_size = 1024; + fadt->flush_stride = 16; + fadt->duty_offset = 1; + fadt->duty_width = 0; + fadt->day_alrm = 0xd; + fadt->mon_alrm = 0x00; + fadt->century = 0x00; + fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042; + + fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | + ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON | + ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE | + ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK; + + fadt->reset_reg.space_id = 1; + fadt->reset_reg.bit_width = 8; + fadt->reset_reg.bit_offset = 0; + fadt->reset_reg.resv = 0; + fadt->reset_reg.addrl = 0xcf9; + fadt->reset_reg.addrh = 0; + fadt->reset_value = 6; + + fadt->x_pm1a_evt_blk.space_id = 1; + fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8; + fadt->x_pm1a_evt_blk.bit_offset = 0; + fadt->x_pm1a_evt_blk.resv = 0; + fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS; + fadt->x_pm1a_evt_blk.addrh = 0x0; + + fadt->x_pm1b_evt_blk.space_id = 1; + fadt->x_pm1b_evt_blk.bit_width = 0; + fadt->x_pm1b_evt_blk.bit_offset = 0; + fadt->x_pm1b_evt_blk.resv = 0; + fadt->x_pm1b_evt_blk.addrl = 0x0; + fadt->x_pm1b_evt_blk.addrh = 0x0; + + fadt->x_pm1a_cnt_blk.space_id = 1; + fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8; + fadt->x_pm1a_cnt_blk.bit_offset = 0; + fadt->x_pm1a_cnt_blk.resv = 0; + fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT; + fadt->x_pm1a_cnt_blk.addrh = 0x0; + + fadt->x_pm1b_cnt_blk.space_id = 1; + fadt->x_pm1b_cnt_blk.bit_width = 0; + fadt->x_pm1b_cnt_blk.bit_offset = 0; + fadt->x_pm1b_cnt_blk.resv = 0; + fadt->x_pm1b_cnt_blk.addrl = 0x0; + fadt->x_pm1b_cnt_blk.addrh = 0x0; + + fadt->x_pm2_cnt_blk.space_id = 1; + fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8; + fadt->x_pm2_cnt_blk.bit_offset = 0; + fadt->x_pm2_cnt_blk.resv = 0; + fadt->x_pm2_cnt_blk.addrl = pmbase + PM2_CNT; + fadt->x_pm2_cnt_blk.addrh = 0x0; + + fadt->x_pm_tmr_blk.space_id = 1; + fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8; + fadt->x_pm_tmr_blk.bit_offset = 0; + fadt->x_pm_tmr_blk.resv = 0; + fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR; + fadt->x_pm_tmr_blk.addrh = 0x0; + + fadt->x_gpe0_blk.space_id = 0; + fadt->x_gpe0_blk.bit_width = 0; + fadt->x_gpe0_blk.bit_offset = 0; + fadt->x_gpe0_blk.resv = 0; + fadt->x_gpe0_blk.addrl = 0; + fadt->x_gpe0_blk.addrh = 0; + + fadt->x_gpe1_blk.space_id = 1; + fadt->x_gpe1_blk.bit_width = 0; + fadt->x_gpe1_blk.bit_offset = 0; + fadt->x_gpe1_blk.resv = 0; + fadt->x_gpe1_blk.addrl = 0x0; + fadt->x_gpe1_blk.addrh = 0x0; +} + static acpi_tstate_t tss_table_fine[] = { { 100, 1000, 0, 0x00, 0 }, { 94, 940, 0, 0x1f, 0 },