[coreboot] [PATCH] Add TINY_BOOTBLOCK support for AMD SB700
peter at stuge.se
Thu Dec 9 23:35:52 CET 2010
Uwe Hermann wrote:
> Add TINY_BOOTBLOCK support for AMD SB700.
> Factor out the ROM decode enable functionality into bootblock.c and
> handle it via the usual TINY_BOOTBLOCK mechanism.
> Use "select TINY_BOOTBLOCK" in the southbridge, not individual boards.
> Signed-off-by: Uwe Hermann <uwe at hermann-uwe.de>
Acked-by: Peter Stuge <peter at stuge.se>
> + * Enable 1MB (LPC) ROM access at 0xFFF00000 - 0xFFFFFFFF.
> + *
> + * Hardware should enable LPC ROM by pin straps. This function does not
> + * handle the theoretically possible PCI ROM, FWH, or SPI ROM configurations.
> + *
> + * The SB700 power-on default is to map 256K ROM space.
> + *
> + * Details: AMD SB700/710/750 BIOS Developer's Guide (BDG), page 14.
> + */
> +static void sb700_enable_rom(void)
..make this an unambiguous reference, and I like having the document
number as in the old comment. Maybe even a link, but at least doc nr
and version. Maybe also section besides the page nr.
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