On Monday 06 August 2007, Aurelien Jarno wrote:
> The patch below against 2.6.23-rc1-mm2 fixes the size of the flash
> window and detect the width of the flash bus (8 or 16 bits).
>
> It originally comes from the OpenWrt patches.
>
> Cc: Felix Fietkau <[EMAIL PROTECTED]>
> Signed-off-by: Aurelien Jarno <[EMAIL PROTECTED]>
>
> --- a/drivers/ssb/driver_mipscore.c
> +++ b/drivers/ssb/driver_mipscore.c
> @@ -186,12 +186,16 @@
> {
> struct ssb_bus *bus = mcore->dev->bus;
>
> + mcore->flash_buswidth = 2;
> if (bus->chipco.dev) {
> mcore->flash_window = 0x1c000000;
> - mcore->flash_window_size = 0x800000;
> + mcore->flash_window_size = 0x02000000;
> + if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
> + & SSB_CHIPCO_CFG_DS16) == 0)
> + mcore->flash_buswidth = 1;
> } else {
> mcore->flash_window = 0x1fc00000;
> - mcore->flash_window_size = 0x400000;
> + mcore->flash_window_size = 0x00400000;
> }
> }
>
> --- a/include/linux/ssb/ssb_driver_mips.h
> +++ b/include/linux/ssb/ssb_driver_mips.h
> @@ -20,6 +20,7 @@
> int nr_serial_ports;
> struct ssb_serial_port serial_ports[4];
>
> + int flash_buswidth;
u8 please (although it doesn't save space in this case (padding)),
but the struct could be reorganized to save space later.
> u32 flash_window;
> u32 flash_window_size;
> };
>
-
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