diff options
author | Varadarajan Narayanan <varada@codeaurora.org> | 2016-03-02 13:15:47 +0530 |
---|---|---|
committer | Patrick Georgi <pgeorgi@google.com> | 2016-05-10 21:36:49 +0200 |
commit | 3bbd90173a9486b057aeb484ad5538b6e6cf42c7 (patch) | |
tree | 128ba6c8b2999294980b623a24870234bb77afa1 /src/mainboard/google/gale/boardid.c | |
parent | dc17d2de346008aa648aab626dd2a8593b082685 (diff) | |
download | coreboot-3bbd90173a9486b057aeb484ad5538b6e6cf42c7.tar.xz |
google/gale: Initial commit for Gale board support
Copy 'storm' files as a template
BUG=chrome-os-partner:49249
TEST=None. Initial code. Not sure if it will even compile
BRANCH=none
Original-Commit-Id: 4bfabf22cb33ac2aacff0ebeed54655664505148
Original-Change-Id: I94e361911b89c5159b99f3d00efbcda94f763e71
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Signed-off-by: Kan Yan <kyan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/333177
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Tested-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
squashed:
google/gale: Remove unwanted config option
2016.02 doesn't seem to like CONSOLE_CBMEM_DUMP_TO_UART
BUG=chrome-os-partner:49249
TEST=None. Initial code not sure if it will even compile
BRANCH=none
Original-Commit-Id: 44b91a8f83515936156206f9f273e0e5c62c3f17
Original-Change-Id: I9294ff602a05e4c9573fee3b9b51f9cc5305e192
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333302
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Tested-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
google/gale: Update ipq806x/storm references
Since the files were taken from ipq806x/storm as
template. Update those references to reflect
ipq40xx/gale.
BUG=chrome-os-partner:49249
TEST=None. Initial code not sure if it will even compile
BRANCH=none
Original-Commit-Id: fa5962b757dbb6cc9e1e6d1e33e1e09ec6cb4cd2
Original-Change-Id: Ia330367a0547ac4306ef2514dc1305e2d65f80e4
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333292
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Tested-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
google/gale: Update fill_lb_gpios for new scheme
This updates fill_lb_gpios to follow the new scheme introduced
in CL:337176.
BUG=none
BRANCH=none
TEST=chromeos.c compiles successfully for gale
Original-Commit-Id: 635d7fd71d91552bd7470faeb5637ba1a727f940
Original-Change-Id: I6f98325918b350645b9c19b71125bc12a54953ab
Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/338651
google/gale: Add '.fmd' file
BUG=chrome-os-partner:49249
TEST=None. Initial code. Not sure if it will even compile
BRANCH=none
Original-Commit-Id: 474de31f7ed0adbe54251ca363e685019091b4e7
Original-Change-Id: I4019b110af676090e8751b315dadc5b601a56178
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333291
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Tested-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Change-Id: Iad8e010371f3b9b92ab26eee4ba35c4f16d3732c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/14642
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard/google/gale/boardid.c')
-rw-r--r-- | src/mainboard/google/gale/boardid.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/mainboard/google/gale/boardid.c b/src/mainboard/google/gale/boardid.c new file mode 100644 index 0000000000..295550fe2b --- /dev/null +++ b/src/mainboard/google/gale/boardid.c @@ -0,0 +1,57 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 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 <boardid.h> +#include <gpio.h> +#include <console/console.h> +#include <stdlib.h> + +/* + * Storm boards dedicate to the board ID three GPIOs in tertiary mode: 29, 30 + * and 68. On proto0 GPIO68 is used and tied low, so it reads as 'zero' by + * gpio_base3_value(), whereas the other two pins are not connected + * and read as 'two'. This results in gpio_base3_value() returning + * 8 on proto0. + * + * Three tertitiary signals could represent 27 different values. To make + * calculated board ID value continuous and starting at zero, offset the + * calculated value by 19 (i.e. 27 - 8) and return modulo 27 of the offset + * number. This results in proto0 returning zero as the board ID, the future + * revisions will have the inputs configured to match the actual board + * revision. + */ + +static int board_id_value = -1; + +static uint8_t get_board_id(void) +{ + uint8_t bid; + gpio_t hw_rev_gpios[] = {[2] = 68, [1] = 30, [0] = 29}; /* 29 is LSB */ + int offset = 19; + + bid = gpio_base3_value(hw_rev_gpios, ARRAY_SIZE(hw_rev_gpios)); + bid = (bid + offset) % 27; + printk(BIOS_INFO, "Board ID %d\n", bid); + + return bid; +} + +uint8_t board_id(void) +{ + if (board_id_value < 0) + board_id_value = get_board_id(); + + return board_id_value; +} |