On Sat, May 01, 2010 at 07:34:06PM +0200, Michael Walle wrote:
> Add support to read manufacturer and device ID. For everything else (eg.
> lock bits) 0 is returned.
>
> Signed-off-by: Michael Walle <mich...@walle.cc>
Thanks, applied.
> ---
> hw/pflash_cfi01.c | 20 ++++++++++++++++++++
> 1 files changed, 20 insertions(+), 0 deletions(-)
>
> diff --git a/hw/pflash_cfi01.c b/hw/pflash_cfi01.c
> index 6b2adba..bc901e6 100644
> --- a/hw/pflash_cfi01.c
> +++ b/hw/pflash_cfi01.c
> @@ -166,6 +166,22 @@ static uint32_t pflash_read (pflash_t *pfl,
> target_phys_addr_t offset,
> ret = pfl->status;
> DPRINTF("%s: status %x\n", __func__, ret);
> break;
> + case 0x90:
> + switch (boff) {
> + case 0:
> + ret = pfl->ident[0] << 8 | pfl->ident[1];
> + DPRINTF("%s: Manufacturer Code %04x\n", __func__, ret);
> + break;
> + case 1:
> + ret = pfl->ident[2] << 8 | pfl->ident[3];
> + DPRINTF("%s: Device ID Code %04x\n", __func__, ret);
> + break;
> + default:
> + DPRINTF("%s: Read Device Information boff=%x\n", __func__, boff);
> + ret = 0;
> + break;
> + }
> + break;
> case 0x98: /* Query mode */
> if (boff > pfl->cfi_len)
> ret = 0;
> @@ -283,6 +299,10 @@ static void pflash_write(pflash_t *pfl,
> target_phys_addr_t offset,
> DPRINTF("%s: Read status register\n", __func__);
> pfl->cmd = cmd;
> return;
> + case 0x90: /* Read Device ID */
> + DPRINTF("%s: Read Device information\n", __func__);
> + pfl->cmd = cmd;
> + return;
> case 0x98: /* CFI query */
> DPRINTF("%s: CFI query\n", __func__);
> break;
> --
> 1.5.6.5
>
>
>
>
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurel...@aurel32.net http://www.aurel32.net
