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google/gru: Update board/RAM ID ADC values

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Looks like our hardware guys have decided to change some voltage ranges
in the Gru/Kevin ADC IDs since we last wrote a table. This patch updates
it to the latest values from the Spreadsheet of Truth. Also adds further
values up to rev15.

BRANCH=none
BUG=none
TEST=none

Change-Id: I1aa093ca3abe952afd658eb7da01b325f798eaa0
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: e42b4685c91f01ce1cff61638b17042be9d575fd
Original-Change-Id: I646fd03dc385df1a8f0af8cb85ff3128cc31f8d8
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/365111
Original-Tested-by: Douglas Anderson <dianders@chromium.org>
Original-Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-on: https://review.coreboot.org/16053
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Julius Werner
2016-08-01 14:33:26 -07:00
committed by Martin Roth
parent 271a2c2763
commit 0b2cf172fb
1 changed files with 22 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
src/mainboard/google/gru/boardid.c
View File

@@ -20,17 +20,28 @@
/*
* ID info:
* ID : Volts : ADC value : Bucket
* == ===== ========= ======
* 0 : 0.074V: 37.888 : 0 - <=82
* 1 : 0.211V: 108.032 : 82- <=136
* 2 : 0.319V: 163.328 : 136-<=191
* 3 : 0.427V: 218.624 : 191-<=248
* 4 : 0.542V: 277.504 : 248-<=309
* 5 : 0.666V: 340.992 : 309-<=370
* 6 : 0.781V: 399.872 : 370- 512
* ID : Volts : ADC value : Bucket
* == ===== ========= ===========
* 0 : 0.074V: 42 : 0 - 81
* 1 : 0.211V: 120 : 82 - 150
* 2 : 0.319V: 181 : 151 - 211
* 3 : 0.427V: 242 : 212 - 274
* 4 : 0.542V: 307 : 275 - 342
* 5 : 0.666V: 378 : 343 - 411
* 6 : 0.781V: 444 : 412 - 477
* 7 : 0.900V: 511 : 478 - 545
* 8 : 1.023V: 581 : 546 - 613
* 9 : 1.137V: 646 : 614 - 675
* 10 : 1.240V: 704 : 676 - 733
* 11 : 1.343V: 763 : 734 - 795
* 12 : 1.457V: 828 : 796 - 861
* 13 : 1.576V: 895 : 862 - 925
* 14 : 1.684V: 956 : 926 - 989
* 15 : 1.800V: 1023 : 990 - 1023
*/
static const int id_readings[] = { 82, 136, 191, 248, 309, 370, 512 };
static const int id_readings[] = { 81, 150, 211, 274, 342, 411, 477, 545,
613, 675, 733, 795, 861, 925, 989, 1023 };
_Static_assert(ARRAY_SIZE(id_readings) == 16, "Yo' messed up da table, bruh!");
static int cached_board_id = -1;
static int cached_ram_id = -1;
@@ -52,8 +63,7 @@ static uint32_t get_index(uint32_t channel, int *cached_id)
}
}
printk(BIOS_DEBUG, "ERROR: Unmatched ADC reading of %d\n", adc_reading);
return 0;
die("Read impossible value ( > 1023) from 10-bit ADC!");
}
uint8_t board_id(void)