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google/rush_ryu: Disable EC SW sync for proto boards before proto3 

BUG=chrome-os-partner:33583
BRANCH=None
TEST=No EC SW sync messages seen in depthcharge boot flow.

Change-Id: I62b7061a833ba607457a580fb2b217b9c2df0e74
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 552b1d19bacd6692ffb6257fc81220ba0ed89344
Original-Change-Id: I5c1df5a23977f461011a2937adda5770b4742378
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/229081
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9513
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Furquan Shaikh 2014-11-11 11:18:59 -08:00 committed by Patrick Georgi
parent 3373ee6246
commit f932cacf98
1 changed files with 32 additions and 0 deletions
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32
src/mainboard/google/rush_ryu/mainboard.c
View File

@ -18,7 +18,9 @@
*/
#include <arch/mmu.h>
#include <boardid.h>
#include <boot/coreboot_tables.h>
#include <cbmem.h>
#include <device/device.h>
#include <elog.h>
#include <memrange.h>
@ -29,6 +31,13 @@
#include <soc/nvidia/tegra/i2c.h>
#include <soc/padconfig.h>
#include <vendorcode/google/chromeos/chromeos.h>
#if IS_ENABLED(CONFIG_CHROMEOS)
#include <vboot_struct.h>
#include <vendorcode/google/chromeos/vboot_handoff.h>
#include <vendorcode/google/chromeos/vboot2/misc.h>
#endif
#include "gpio.h"
static const struct pad_config mmcpads[] = {
/* MMC4 (eMMC) */
@ -58,6 +67,27 @@ static const struct funit_cfg funits[] = {
FUNIT_CFG_USB(USBD),
};
/* HACK: For proto boards before proto3, we want to disable ec sw sync */
static void fix_ec_sw_sync(void)
{
#if IS_ENABLED(CONFIG_CHROMEOS)
struct vboot_handoff *vh;
if (board_id() >= BOARD_ID_PROTO_3)
return;
vh = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);
if (vh == NULL) {
printk(BIOS_ERR, "No vboot handoff struct found\n");
return;
}
VbSharedDataHeader *vb_sd = (VbSharedDataHeader *)vh->shared_data;
vb_sd->flags &= ~VBSD_EC_SOFTWARE_SYNC;
#endif
}
static void mainboard_init(device_t dev)
{
/* PLLD should be 2 * pixel clock (301620khz). */
@ -76,6 +106,8 @@ static void mainboard_init(device_t dev)
i2c_init(I2C6_BUS);
elog_init();
elog_add_boot_reason();
fix_ec_sw_sync();
}
static void mainboard_enable(device_t dev)