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ryu: normalize board id 

Instead of relying on the encoding of gpio_get_in_tristate_values()
normalize the ids.

BUG=chrome-os-partner:31602
BRANCH=None
TEST=Built and noted correct output w/ coresponding correct device
     tree selected in depthcharge.

Change-Id: I6fc712aceb56d701725759503b9cfa1061ed25d7
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 1037d473f35613bf39a4b27a9c1ade718b852c0d
Original-Change-Id: I7d5449bc14e776fd9faa86af0f80690c3d9ae92d
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/214840
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9004
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Aaron Durbin 2014-08-28 12:51:07 -05:00 committed by Patrick Georgi
parent 20772a8478
commit 2223c4f3ed
2 changed files with 72 additions and 4 deletions
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61
src/mainboard/google/rush_ryu/boardid.c
View File

@ -22,17 +22,72 @@
#include <stdlib.h>
#include <boardid.h>
#include "gpio.h"
/*
* +------------------+---------+
* | BD_ID_STRAP[1:0] | PHASE |
* +------------------+---------+
* | 00 | PROTO0 |
* +------------------+---------+
* | 01 | PROTO1 |
* +------------------+---------+
* | 0Z | EVT |
* +------------------+---------+
* | 10 | DVT |
* +------------------+---------+
* | 11 | PVT |
* +------------------+---------+
* | 1Z | MP |
* +------------------+---------+
* | Z0 | |
* +------------------+---------+
* | Z1 | |
* +------------------+---------+
* | ZZ | |
* +------------------+---------+
*/
struct id_to_str {
const char *str;
int tri_state_value;
int normalized_id;
};
static const struct id_to_str bdid_map[] = {
{ "PROTO 0", 0x00, BOARD_ID_PROTO_0 },
{ "PROTO 1", 0x01, BOARD_ID_PROTO_1 },
{ "EVT", 0x02, BOARD_ID_EVT },
{ "DVT", 0x04, BOARD_ID_DVT },
{ "PVT", 0x05, BOARD_ID_PVT },
{ "MP", 0x06, BOARD_ID_MP },
{ "Z0", 0x08, -1 },
{ "Z1", 0x09, -1 },
{ "ZZ", 0x0a, -1 },
};
uint8_t board_id(void)
{
static int id = -1;
if (id < 0) {
gpio_t gpio[] = {GPIO(Q3), GPIO(Q4)};
const char *idstr = "Unknown";
int i;
int tristate_id;
gpio_t gpio[] = { BD_ID0, BD_ID1 };
id = gpio_get_in_tristate_values(gpio, ARRAY_SIZE(gpio), 0);
tristate_id = gpio_get_in_tristate_values(gpio,
ARRAY_SIZE(gpio), 0);
printk(BIOS_SPEW, "Board TRISTATE ID: %#x.\n", id);
for (i = 0; i < ARRAY_SIZE(bdid_map); i++) {
if (tristate_id != bdid_map[i].tri_state_value)
continue;
idstr = bdid_map[i].str;
id = bdid_map[i].normalized_id;
break;
}
printk(BIOS_SPEW, "Board ID: '%s' %d (%#x)\n", idstr, id,
tristate_id);
}
return id;
}

15
src/mainboard/google/rush_ryu/gpio.h
View File

@ -22,8 +22,21 @@
#include <soc/nvidia/tegra132/gpio.h>
/* LTE modem related GPIOs */
/* Board ID definitions. */
enum {
BOARD_ID_PROTO_0 = 0,
BOARD_ID_PROTO_1 = 1,
BOARD_ID_EVT = 2,
BOARD_ID_DVT = 3,
BOARD_ID_PVT = 4,
BOARD_ID_MP = 5,
};
enum {
/* Board ID related GPIOS. */
BD_ID0 = GPIO(Q3),
BD_ID1 = GPIO(Q4),
/* LTE modem related GPIOs */
MODEM_RESET = GPIO(S3),
MODEM_PWR_ON = GPIO(S4),
MDM_DET = GPIO(V1),