diff options
| author | Lee Leahy <leroy.p.leahy@intel.com> | 2015-04-20 15:20:28 -0700 |
|---|---|---|
| committer | Leroy P Leahy <leroy.p.leahy@intel.com> | 2015-06-25 21:50:48 +0200 |
| commit | 32471729d9ebbabe809711ec55568925c6ce2070 (patch) | |
| tree | b9f6db4e4969ee5edd6c2571e4f7612121070a9f /src/soc/intel/braswell/lpss.c | |
| parent | 5fe62efb77a2ecfeecdcc526404712b816e74693 (diff) | |
Braswell: Add Braswell SOC support
Add the files to support the Braswell SOC.
BRANCH=none
BUG=None
TEST=Build for a Braswell platform
Change-Id: I968da68733e57647d0a08e4040ff0378b4d59004
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: http://review.coreboot.org/10051
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/braswell/lpss.c')
| -rw-r--r-- | src/soc/intel/braswell/lpss.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/src/soc/intel/braswell/lpss.c b/src/soc/intel/braswell/lpss.c index e70c0905fc..f580fbfb2a 100644 --- a/src/soc/intel/braswell/lpss.c +++ b/src/soc/intel/braswell/lpss.c @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2013 Google Inc. + * Copyright (C) 2015 Intel Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -48,7 +49,7 @@ static void dev_enable_acpi_mode(device_t dev, int iosf_reg, int nvs_index) global_nvs_t *gnvs; /* Find ACPI NVS to update BARs */ - gnvs = (global_nvs_t *)cbmem_find(CBMEM_ID_ACPI_GNVS); + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); if (!gnvs) { printk(BIOS_ERR, "Unable to locate Global NVS\n"); return; @@ -70,26 +71,16 @@ static void dev_enable_acpi_mode(device_t dev, int iosf_reg, int nvs_index) reg_script_run_on_dev(dev, ops); } -static void dev_enable_snoop_and_pm(device_t dev, int iosf_reg) -{ - struct reg_script ops[] = { - REG_IOSF_RMW(IOSF_PORT_LPSS, iosf_reg, - ~(LPSS_CTL_SNOOP | LPSS_CTL_NOSNOOP), - LPSS_CTL_SNOOP | LPSS_CTL_PM_CAP_PRSNT), - REG_SCRIPT_END, - }; - - reg_script_run_on_dev(dev, ops); -} - static void dev_ctl_reg(device_t dev, int *iosf_reg, int *nvs_index) { *iosf_reg = -1; *nvs_index = -1; #define SET_IOSF_REG(name_) \ case PCI_DEVFN(name_ ## _DEV, name_ ## _FUNC): \ - *iosf_reg = LPSS_ ## name_ ## _CTL; \ - *nvs_index = LPSS_NVS_ ## name_ + do { \ + *iosf_reg = LPSS_ ## name_ ## _CTL; \ + *nvs_index = LPSS_NVS_ ## name_; \ + } while (0) switch (dev->path.pci.devfn) { SET_IOSF_REG(SIO_DMA1); @@ -135,13 +126,13 @@ static void i2c_disable_resets(device_t dev) case PCI_DEVFN(name_ ## _DEV, name_ ## _FUNC) switch (dev->path.pci.devfn) { - CASE_I2C(I2C1): - CASE_I2C(I2C2): - CASE_I2C(I2C3): - CASE_I2C(I2C4): - CASE_I2C(I2C5): - CASE_I2C(I2C6): - CASE_I2C(I2C7): + CASE_I2C(I2C1) : + CASE_I2C(I2C2) : + CASE_I2C(I2C3) : + CASE_I2C(I2C4) : + CASE_I2C(I2C5) : + CASE_I2C(I2C6) : + CASE_I2C(I2C7) : printk(BIOS_DEBUG, "Releasing I2C device from reset.\n"); reg_script_run_on_dev(dev, ops); break; @@ -152,9 +143,15 @@ static void i2c_disable_resets(device_t dev) static void lpss_init(device_t dev) { - struct soc_intel_baytrail_config *config = dev->chip_info; + struct soc_intel_braswell_config *config = dev->chip_info; int iosf_reg, nvs_index; + printk(BIOS_SPEW, "%s/%s ( %s )\n", + __FILE__, __func__, dev_name(dev)); + printk(BIOS_SPEW, "%s - %s\n", + get_pci_class_name(dev), + get_pci_subclass_name(dev)); + dev_ctl_reg(dev, &iosf_reg, &nvs_index); if (iosf_reg < 0) { @@ -164,7 +161,7 @@ static void lpss_init(device_t dev) slot, func); return; } - dev_enable_snoop_and_pm(dev, iosf_reg); + i2c_disable_resets(dev); if (config->lpss_acpi_mode) |