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| author | Rajat Jain <rajatja@google.com> | 2020-02-27 00:22:12 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-03-02 11:42:26 +0000 |
| commit | c0380a24e8f487af72fe07e2c1c2602ceb0cc519 (patch) | |
| tree | bbe34e23597242340597e1b70c553280b1d8825a /src | |
| parent | 68cd0d0b2cbc5dbfab25f204122986d64996d166 (diff) | |
| download | coreboot-c0380a24e8f487af72fe07e2c1c2602ceb0cc519.tar.xz | |
mb/google/hatch/var/jinlon: Disable EPS on some SKUs
Disable EPS on the SKUs that do not have it.
Change-Id: I7305097beea3484634933ab856fd084933868a10
Signed-off-by: Rajat Jain <rajatja@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39156
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mathew King <mathewk@chromium.org>
Diffstat (limited to 'src')
3 files changed, 79 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/jinlon/Makefile.inc b/src/mainboard/google/hatch/variants/jinlon/Makefile.inc index c57d0908ab..d38a5771bb 100644 --- a/src/mainboard/google/hatch/variants/jinlon/Makefile.inc +++ b/src/mainboard/google/hatch/variants/jinlon/Makefile.inc @@ -25,4 +25,5 @@ SPD_SOURCES += 16G_3200_4bg # 0b1001 bootblock-y += gpio.c ramstage-y += gpio.c +ramstage-y += mainboard.c ramstage-y += ramstage.c diff --git a/src/mainboard/google/hatch/variants/jinlon/include/variant/sku.h b/src/mainboard/google/hatch/variants/jinlon/include/variant/sku.h new file mode 100644 index 0000000000..1d45fcddcd --- /dev/null +++ b/src/mainboard/google/hatch/variants/jinlon/include/variant/sku.h @@ -0,0 +1,23 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2020 Google LLC + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef __JINLON_SKU_H__ +#define __JINLON_SKU_H__ + +/* + * SKU definition taken from + * https://buganizer.corp.google.com/issues/145688887#comment16 + */ +enum { + JINLON_SKU_01 = 1, /* No LTE, No view-angle-manegement */ + JINLON_SKU_02 = 2, /* No LTE, view-angle-manegement */ + JINLON_SKU_21 = 21, /* LTE, No view-angle-manegement */ + JINLON_SKU_22 = 22, /* LTE, view-angle-manegement */ +}; + +#endif /* __JINLON_SKU_H__ */ diff --git a/src/mainboard/google/hatch/variants/jinlon/mainboard.c b/src/mainboard/google/hatch/variants/jinlon/mainboard.c new file mode 100644 index 0000000000..db041c4ca8 --- /dev/null +++ b/src/mainboard/google/hatch/variants/jinlon/mainboard.c @@ -0,0 +1,55 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2020 Google LLC + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include <baseboard/variants.h> +#include <bootstate.h> +#include <ec/google/chromeec/ec.h> +#include <device/device.h> +#include <drivers/gfx/generic/chip.h> +#include <variant/sku.h> + +static bool eps_sku(uint32_t sku_id) +{ + /* + * Assume EPS SKU by default, helpful for testing on + * unprovisioned or development SKUs. + */ + if (sku_id == JINLON_SKU_01 || sku_id == JINLON_SKU_21) + return false; + else + return true; +} + +static void check_for_eps(uint32_t sku_id) +{ + struct device *gfx_dev; + + if (eps_sku(sku_id)) { + printk(BIOS_INFO, "SKU ID %u has EPS\n", sku_id); + return; + } + + gfx_dev = find_gfx_dev(); + if (!gfx_dev) { + printk(BIOS_ERR, + "Error! No EPS dev, view-angle-management won't work\n"); + return; + } + + printk(BIOS_INFO, + "SKU ID %u doesn't have EPS, disabling...\n", + sku_id); + gfx_dev->enabled = 0; +} + +void variant_devtree_update(void) +{ + uint32_t sku_id = google_chromeec_get_board_sku(); + + /* Disable EPS on SKUs that do not support it */ + check_for_eps(sku_id); +} |