From a87fcabd2efe49c8035b76146401e190a0ea6593 Mon Sep 17 00:00:00 2001 From: Matt DeVillier Date: Tue, 20 Oct 2015 19:36:09 -0500 Subject: google/ninja: Upstream AOpen Chromebox Commerical Migrate google/ninja (AOpen Chromebox Commerical) from Chromium tree to upstream, using google/rambi as a reference. original source: branch firmware-ninja-5216.383.B commit 582a393 [Ninja, Sumo: Add SPD source for Hynix H5TC4G63CFR-PBA] TEST=built and booted Linux on ninja with full functionality blobs required for working image: VGA BIOS (vgabios.bin) firmware descriptor (ifd.bin) Intel ME firmware (me.bin) MRC (mrc.elf) external reference code (refcode.elf) Change-Id: I0f1892c24c08fa2d53185b2cf8b6f5a9001b2397 Signed-off-by: Matt DeVillier Reviewed-on: https://review.coreboot.org/14950 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/mainboard/google/ninja/w25q64.c | 70 +++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/mainboard/google/ninja/w25q64.c (limited to 'src/mainboard/google/ninja/w25q64.c') diff --git a/src/mainboard/google/ninja/w25q64.c b/src/mainboard/google/ninja/w25q64.c new file mode 100644 index 0000000000..a9ed8ac98b --- /dev/null +++ b/src/mainboard/google/ninja/w25q64.c @@ -0,0 +1,70 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include + +/* + * SPI lockdown configuration W25Q64FW. + */ +#define SPI_OPMENU_0 0x01 /* WRSR: Write Status Register */ +#define SPI_OPTYPE_0 0x01 /* Write, no address */ + +#define SPI_OPMENU_1 0x02 /* BYPR: Byte Program */ +#define SPI_OPTYPE_1 0x03 /* Write, address required */ + +#define SPI_OPMENU_2 0x03 /* READ: Read Data */ +#define SPI_OPTYPE_2 0x02 /* Read, address required */ + +#define SPI_OPMENU_3 0x05 /* RDSR: Read Status Register */ +#define SPI_OPTYPE_3 0x00 /* Read, no address */ + +#define SPI_OPMENU_4 0x20 /* SE20: Sector Erase 0x20 */ +#define SPI_OPTYPE_4 0x03 /* Write, address required */ + +#define SPI_OPMENU_5 0x9f /* RDID: Read ID */ +#define SPI_OPTYPE_5 0x00 /* Read, no address */ + +#define SPI_OPMENU_6 0xd8 /* BED8: Block Erase 0xd8 */ +#define SPI_OPTYPE_6 0x03 /* Write, address required */ + +#define SPI_OPMENU_7 0x0b /* FAST: Fast Read */ +#define SPI_OPTYPE_7 0x02 /* Read, address required */ + +#define SPI_OPPREFIX ((0x50 << 8) | 0x06) /* EWSR and WREN */ +#define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \ + (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) | \ + (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) | \ + (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0 << 0)) +#define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \ + (SPI_OPMENU_5 << 8) | (SPI_OPMENU_4 << 0)) +#define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \ + (SPI_OPMENU_1 << 8) | (SPI_OPMENU_0 << 0)) +#define SPI_VSCC (WG_64_BYTE | EO(0x20) | BES_4_KB) + +static const struct spi_config spi_config = { + .preop = SPI_OPPREFIX, + .optype = SPI_OPTYPE, + .opmenu = { SPI_OPMENU_LOWER, SPI_OPMENU_UPPER }, + .lvscc = SPI_VSCC, + .uvscc = SPI_VSCC, +}; + +int mainboard_get_spi_config(struct spi_config *cfg) +{ + memcpy(cfg, &spi_config, sizeof(*cfg)); + + return 0; +} -- cgit v1.2.3