diff options
author | Matt DeVillier <matt.devillier@gmail.com> | 2015-12-25 01:36:40 -0600 |
---|---|---|
committer | Martin Roth <martinroth@google.com> | 2016-06-16 01:43:42 +0200 |
commit | f09d39db4ed3be7a0d4e452e3564c34e064a437a (patch) | |
tree | 889dcf8c880e8067cc5555cf3e36f6edf9eafe2e /src/mainboard/google/rikku/chromeos.c | |
parent | 1f40ae2d746ec9a85770538a2e21620934331bd9 (diff) |
google/rikku: Upstream Acer Chromebox CXI2
Migrate google/rikku (Acer Chromebox CXI2) from Chromium tree to
upstream, using google/guado as a baseline.
original source:
branch firmware-rikku-6301.110.B
commit 2e71207 [CHERRY-PICK: broadwell: Update to microcode 0x1F]
TEST=built and booted Linux on rikku with full functionality
blobs required for working image:
VGA BIOS (vgabios.bin)
firmware descriptor (ifd.bin)
Intel ME firmware (me.bin)
MRC (mrc.bin)
external reference code (refcode.elf)
Change-Id: Iba618a0b2cf2d613f6429b3e7606e0b47fa97a4d
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/12802
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard/google/rikku/chromeos.c')
-rw-r--r-- | src/mainboard/google/rikku/chromeos.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/mainboard/google/rikku/chromeos.c b/src/mainboard/google/rikku/chromeos.c new file mode 100644 index 0000000000..d440968c41 --- /dev/null +++ b/src/mainboard/google/rikku/chromeos.c @@ -0,0 +1,95 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Google Inc. + * + * 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 + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <string.h> +#include <arch/io.h> +#include <device/device.h> +#include <device/pci.h> +#include <console/console.h> +#include <vendorcode/google/chromeos/chromeos.h> +#include <ec/google/chromeec/ec.h> +#include <soc/gpio.h> +#include <soc/sata.h> + +#define GPIO_SPI_WP 58 +#define GPIO_REC_MODE 12 + +#define FLAG_SPI_WP 0 +#define FLAG_REC_MODE 1 +#define FLAG_DEV_MODE 2 + +#ifndef __PRE_RAM__ +#include <boot/coreboot_tables.h> + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + struct lb_gpio chromeos_gpios[] = { + {GPIO_SPI_WP, ACTIVE_HIGH, 0, "write protect"}, + {GPIO_REC_MODE, ACTIVE_LOW, + get_recovery_mode_switch(), "recovery"}, + {-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"}, + {-1, ACTIVE_HIGH, 1, "lid"}, + {-1, ACTIVE_HIGH, 0, "power"}, + {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"}, + }; + lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); +} +#endif + +int get_write_protect_state(void) +{ + device_t dev; +#ifdef __PRE_RAM__ + dev = PCI_DEV(0, 0x1f, 2); +#else + dev = dev_find_slot(0, PCI_DEVFN(0x1f, 2)); +#endif + return (pci_read_config32(dev, SATA_SP) >> FLAG_SPI_WP) & 1; +} + +int get_developer_mode_switch(void) +{ + return 0; +} + +int get_recovery_mode_switch(void) +{ + device_t dev; +#ifdef __PRE_RAM__ + dev = PCI_DEV(0, 0x1f, 2); +#else + dev = dev_find_slot(0, PCI_DEVFN(0x1f, 2)); +#endif + return (pci_read_config32(dev, SATA_SP) >> FLAG_REC_MODE) & 1; +} + +#ifdef __PRE_RAM__ +void save_chromeos_gpios(void) +{ + u32 flags = 0; + + /* Write Protect: GPIO58 = GPIO_SPI_WP, active high */ + if (get_gpio(GPIO_SPI_WP)) + flags |= (1 << FLAG_SPI_WP); + + /* Recovery: GPIO12 = RECOVERY_L, active low */ + if (!get_gpio(GPIO_REC_MODE)) + flags |= (1 << FLAG_REC_MODE); + + /* Developer: Virtual */ + + pci_write_config32(PCI_DEV(0, 0x1f, 2), SATA_SP, flags); +} +#endif |