From 71053a9f396a7c861c0223bf2c6608df3bec2663 Mon Sep 17 00:00:00 2001 From: Lubomir Rintel Date: Tue, 31 Oct 2017 10:02:27 +0100 Subject: vx900: decode the whole ROM Fixes supports for flash ROMs larger than 512K, such as the 1M one in HP t5550 Thin Client. Change-Id: I4d6287e130809c33dfbd40bce7913a95b4b3a9c7 Signed-off-by: Lubomir Rintel Reviewed-on: https://review.coreboot.org/22262 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/northbridge/via/vx900/Kconfig | 4 +++ src/northbridge/via/vx900/bootblock.c | 46 +++++++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+) create mode 100644 src/northbridge/via/vx900/bootblock.c (limited to 'src/northbridge') diff --git a/src/northbridge/via/vx900/Kconfig b/src/northbridge/via/vx900/Kconfig index 4b1e6cc4cd..bb5e06fc77 100644 --- a/src/northbridge/via/vx900/Kconfig +++ b/src/northbridge/via/vx900/Kconfig @@ -41,4 +41,8 @@ config VGA_BIOS_ID string default "1106,7122" +config BOOTBLOCK_NORTHBRIDGE_INIT + string + default "northbridge/via/vx900/bootblock.c" + endif diff --git a/src/northbridge/via/vx900/bootblock.c b/src/northbridge/via/vx900/bootblock.c new file mode 100644 index 0000000000..11123b6e11 --- /dev/null +++ b/src/northbridge/via/vx900/bootblock.c @@ -0,0 +1,46 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 Lubomir Rintel + * + * 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, either version 2 of the License, or + * (at your option) any later version. + * + * 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 + +#if CONFIG_ROM_SIZE == 0x80000 +# define ROM_DECODE_MAP 0x00 +#elif CONFIG_ROM_SIZE == 0x100000 +# define ROM_DECODE_MAP 0x40 +#elif CONFIG_ROM_SIZE == 0x180000 +# define ROM_DECODE_MAP 0x60 +#elif CONFIG_ROM_SIZE == 0x200000 +# define ROM_DECODE_MAP 0x70 +#elif CONFIG_ROM_SIZE == 0x280000 +# define ROM_DECODE_MAP 0x78 +#elif CONFIG_ROM_SIZE == 0x300000 +# define ROM_DECODE_MAP 0x7c +#elif CONFIG_ROM_SIZE == 0x380000 +# define ROM_DECODE_MAP 0x7e +#elif CONFIG_ROM_SIZE == 0x400000 +# define ROM_DECODE_MAP 0x7f +#else +# error "Bad CONFIG_ROM_SIZE" +#endif + +static void bootblock_northbridge_init(void) +{ + u8 reg; + + pci_io_read_config8(PCI_DEV(0, 0x11, 0), 0x41); + reg |= ROM_DECODE_MAP; + pci_io_write_config8(PCI_DEV(0, 0x11, 0), 0x41, reg); +} -- cgit v1.2.3