google/kukui: Pass reset gpio parameter to BL31
To support gpio reset SoC, we need to pass the reset gpio parameter to BL31. BUG=b:80501386 BRANCH=none TEST=Boots correctly on Kukui and ATF(BL31) can get this parameter. Change-Id: Iefa70dc0714a9283a79f97d475b07ac047f5f3b0 Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31605 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org>
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@ -14,6 +14,7 @@
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*/
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#include <assert.h>
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#include <bl31.h>
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#include <boardid.h>
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#include <bootmode.h>
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#include <cbfs.h>
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@ -30,8 +31,11 @@
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#include <soc/usb.h>
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#include <string.h>
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#include "gpio.h"
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#include "panel.h"
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#include <arm-trusted-firmware/include/export/plat/mediatek/common/plat_params_exp.h>
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static void configure_emmc(void)
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{
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const gpio_t emmc_pin[] = {
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@ -172,6 +176,17 @@ static bool configure_display(void)
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return true;
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}
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static void register_reset_to_bl31(void)
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{
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static struct bl_aux_param_gpio param_reset = {
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.h = { .type = BL_AUX_PARAM_MTK_RESET_GPIO },
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.gpio = { .polarity = ARM_TF_GPIO_LEVEL_HIGH },
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};
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param_reset.gpio.index = GPIO_RESET.id;
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register_bl31_aux_param(¶m_reset.h);
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}
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static void mainboard_init(struct device *dev)
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{
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if (display_init_required()) {
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@ -186,6 +201,8 @@ static void mainboard_init(struct device *dev)
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configure_emmc();
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configure_usb();
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configure_audio();
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register_reset_to_bl31();
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}
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static void mainboard_enable(struct device *dev)
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