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wheatley: Modified board level drivers for eSPI POC on wheatley.

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Modified board level drivers for eSPI POC on wheatley. By adding CONFIG_ESPI
definition, ec can support espi protocols for host interface on x86 based
platform such as skylake and so on. CONFIG_VW_SIGNALS will be used in the
future for saving GPIOs during power sequence.

Modified sources:
1. wheatley/board.h: Enable/disable espi driver.
2, wheatley/board.c: Add VW signals in power signal list.
3. wheatley/gpio.inc: Save GPIOs if CONFIG_VW_SIGNALS is defined.

BRANCH=none
BUG=chrome-os-partner:34346
TEST=make BOARD=wheatley; test nuvoton IC specific drivers

Change-Id: I0e8a951de6eacd4f8be65ffaac242f38079375d5
Signed-off-by: Mulin Chao <mlchao@nuvoton.com>
Reviewed-on: https://chromium-review.googlesource.com/366520
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Mulin Chao
2016-08-04 14:20:36 +08:00
committed by chrome-bot
parent 2e738c72fd
commit 0558a242bb
3 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
board/wheatley/board.c
View File

@@ -44,6 +44,7 @@
#include "usb_pd.h"
#include "usb_pd_tcpm.h"
#include "util.h"
#include "espi.h"
#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
@@ -101,8 +102,13 @@ void tablet_mode_interrupt(enum gpio_signal signal)
const struct power_signal_info power_signal_list[] = {
{GPIO_RSMRST_L_PGOOD, 1, "RSMRST_N_PWRGD"},
{GPIO_PCH_SLP_S0_L, 1, "SLP_S0_DEASSERTED"},
#ifdef CONFIG_VW_SIGNALS
{VW_SLP_S3_L, 1, "SLP_S3_DEASSERTED"},
{VW_SLP_S4_L, 1, "SLP_S4_DEASSERTED"},
#else
{GPIO_PCH_SLP_S3_L, 1, "SLP_S3_DEASSERTED"},
{GPIO_PCH_SLP_S4_L, 1, "SLP_S4_DEASSERTED"},
#endif
{GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS_DEASSERTED"},
{GPIO_PMIC_DPWROK, 1, "PMIC_DPWROK"},
};

4
board/wheatley/board.h
View File

@@ -148,6 +148,10 @@
#undef CONFIG_CMD_TIMERINFO
#undef CONFIG_CONSOLE_CMDHELP
/* Features of eSPI */
#undef CONFIG_ESPI /* Use eSPI protocol for host interface of x86 CPU */
#undef CONFIG_VW_SIGNALS /* Use VW signals instead of GPIOs */
#ifndef __ASSEMBLER__
#include "gpio_signal.h"

3
board/wheatley/gpio.inc
View File

@@ -15,8 +15,11 @@ GPIO_INT(WP_L, PIN(7, 1), GPIO_INT_BOTH, switch
GPIO_INT(POWER_BUTTON_L, PIN(9, 7), GPIO_INT_BOTH, power_button_interrupt) /* A48 - GPIO97 for ROP_EC_PWR_BTN_L_R */
/* RSMRST from PMIC */
GPIO_INT(RSMRST_L_PGOOD, PIN(7, 2), GPIO_INT_BOTH, power_signal_interrupt) /* A36 - PWRGD for ROP_EC_RSMRST_L */
/* Use VW signals instead of GPIOs */
#ifndef CONFIG_VW_SIGNALS
GPIO_INT(PCH_SLP_S4_L, PIN(5, 0), GPIO_INT_BOTH, power_signal_interrupt) /* A25 - GPIO50 for SLP_S4_L */
GPIO_INT(PCH_SLP_S3_L, PIN(4, 0), GPIO_INT_BOTH, power_signal_interrupt) /* B21 - TA1 for SLP_S3_L */
#endif
/*
* This pulldown should be removed in future hardware followers. The signal
* is pulled up in the SoC when the primary rails are on and/or ramping.