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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/openbios/utils/devbios/flashchips.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/openbios/utils/devbios/flashchips.h')
-rw-r--r--qemu/roms/openbios/utils/devbios/flashchips.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/qemu/roms/openbios/utils/devbios/flashchips.h b/qemu/roms/openbios/utils/devbios/flashchips.h
new file mode 100644
index 000000000..3e6e5a6e0
--- /dev/null
+++ b/qemu/roms/openbios/utils/devbios/flashchips.h
@@ -0,0 +1,81 @@
+/*
+ * OpenBIOS - free your system!
+ * ( firmware/flash device driver for Linux )
+ *
+ * flashchips.h - flash device structures.
+ *
+ * This program is part of a free implementation of the IEEE 1275-1994
+ * Standard for Boot (Initialization Configuration) Firmware.
+ *
+ * Copyright (C) 1998-2004 Stefan Reinauer, <stepan@openbios.org>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ *
+ */
+
+/*
+ * flags structure
+ * bit 0 = needs erase before write (f_needs_erase)
+ * bit 1-3 flash manu type
+ * bit 4-6 probably needed for more manu
+ * bit 7 = sector erase happens one sector at a time
+ * (f_slow_sector_erase)
+ */
+
+#define f_needs_erase 0x01
+
+/* 3 bit for flashtype */
+#define f_manuf_compl 0x0e /* Mask out bits 1-3 */
+#define f_intel_compl 0x02 /* 001 */
+#define f_atmel_compl 0x04 /* 010 */
+#define f_fwh_compl 0x08 /* 100 */
+
+#define f_slow_sector_erase 0x80
+
+#define FLASH_UNKNOWN 0
+#define FLASH_CFI 1
+#define FLASH_JEDEC 2
+
+typedef struct flashdevice {
+ unsigned long mapped;
+ unsigned long physical;
+ unsigned long offset;
+ unsigned int flashnum, manufnum;
+ unsigned short id;
+ unsigned int size, sectors;
+ unsigned int idx;
+ void *data;
+ int open_mode, open_cnt;
+} flashdevice_t;
+
+typedef struct flashchip {
+ char *name;
+ unsigned short id;
+ unsigned int voltage;
+ unsigned int size; /* KBytes */
+ unsigned int supported;
+ unsigned int pagesize; /* Bytes */
+ unsigned int flags;
+ unsigned int *sectors; /* Kbytes[] including end of last sector */
+} flashchip_t;
+
+typedef struct manufacturer {
+ char *name;
+ unsigned short id;
+} manufacturer_t;
+
+extern unsigned int currflash;
+extern flashdevice_t flashdevices[BIOS_MAXDEV];
+extern const flashchip_t flashchips[];
+extern const manufacturer_t manufacturers[];