diff options
| author | Lubomir Rintel <lkundrak@v3.sk> | 2017-10-31 10:02:27 +0100 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-01-17 17:07:24 +0000 |
| commit | 71053a9f396a7c861c0223bf2c6608df3bec2663 (patch) | |
| tree | 14d525cacda35e6475e2ca2c629266150d91736c /src/northbridge/via | |
| parent | 7332455a883d604554c4ceb78804b13962a87831 (diff) | |
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 <lkundrak@v3.sk>
Reviewed-on: https://review.coreboot.org/22262
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/northbridge/via')
| -rw-r--r-- | src/northbridge/via/vx900/Kconfig | 4 | ||||
| -rw-r--r-- | src/northbridge/via/vx900/bootblock.c | 46 |
2 files changed, 50 insertions, 0 deletions
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 <lkundrak@v3.sk> + * + * 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 <arch/io.h> + +#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); +} |