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ryu: Disable EC SW sync for proto boards before proto3

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

Change-Id: I5c1df5a23977f461011a2937adda5770b4742378
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/229081
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
This commit is contained in:
Furquan Shaikh 2014-11-11 11:18:59 -08:00 • committed by chrome-internal-fetch
commit 552b1d19ba
1 changed files with 28 additions and 0 deletions
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28
src/mainboard/google/rush_ryu/mainboard.c
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@ -18,7 +18,9 @@
*/
#include <arch/mmu.h>
#include <boardid.h>
#include <boot/coreboot_tables.h>
#include <cbmem.h>
#include <device/device.h>
#include <memrange.h>
#include <soc/addressmap.h>
@ -27,6 +29,11 @@
#include <soc/funitcfg.h>
#include <soc/nvidia/tegra/i2c.h>
#include <soc/padconfig.h>
#include <vboot_struct.h>
#include <vendorcode/google/chromeos/vboot_handoff.h>
#include <vendorcode/google/chromeos/vboot2/misc.h>
#include "gpio.h"
static const struct pad_config mmcpads[] = {
/* MMC4 (eMMC) */
@ -56,6 +63,25 @@ 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)
{
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;
}
static void mainboard_init(device_t dev)
{
/* PLLD should be 2 * pixel clock (301620khz). */
@ -72,6 +98,8 @@ static void mainboard_init(device_t dev)
/* I2C6 bus (audio, etc.) */
soc_configure_i2c6pad();
i2c_init(I2C6_BUS);
fix_ec_sw_sync();
}
static void mainboard_enable(device_t dev)