From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1O8Ga4-0000zV-P7 for qemu-devel@nongnu.org; Sat, 01 May 2010 13:34:20 -0400 Received: from [140.186.70.92] (port=46365 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O8Ga3-0000yc-8Y for qemu-devel@nongnu.org; Sat, 01 May 2010 13:34:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1O8GZz-0007wH-Md for qemu-devel@nongnu.org; Sat, 01 May 2010 13:34:17 -0400 Received: from mail.serverraum.org ([78.47.150.89]:55978) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1O8GZz-0007w9-G5 for qemu-devel@nongnu.org; Sat, 01 May 2010 13:34:15 -0400 From: Michael Walle Date: Sat, 1 May 2010 19:34:06 +0200 Message-Id: <1272735246-22555-1-git-send-email-michael@walle.cc> In-Reply-To: <4BDBD0FC.7010707@mail.berlios.de> References: <4BDBD0FC.7010707@mail.berlios.de> Subject: [Qemu-devel] [PATCH] pflash_cfi01: add device ID read command List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Michael Walle Add support to read manufacturer and device ID. For everything else (eg. lock bits) 0 is returned. Signed-off-by: Michael Walle --- 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