summaryrefslogtreecommitdiff
path: root/board/eltec/bab7xx/srom.h
diff options
context:
space:
mode:
Diffstat (limited to 'board/eltec/bab7xx/srom.h')
-rw-r--r--board/eltec/bab7xx/srom.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/board/eltec/bab7xx/srom.h b/board/eltec/bab7xx/srom.h
new file mode 100644
index 0000000..7924bcd
--- /dev/null
+++ b/board/eltec/bab7xx/srom.h
@@ -0,0 +1,102 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* common srom defs */
+#define FIRST_DEVICE 0x00
+#define SECOND_DEVICE 0x04
+#define FIRST_BLOCK 0x00
+#define SECOND_BLOCK 0x02
+#define BLOCK_SIZE 0x100
+#define ERROR (-1)
+
+#define CLK2P0TO1_1MB_PB_0P5DH 0x79000100
+#define CLK2P5TO1_1MB_PB_0P5DH 0x7B000100
+
+#define CPU_TYPE_740 0x08
+#define CPU_TYPE_750 0x08
+#define CPU_TYPE ((get_pvr()>>16)&0xffff)
+
+#define ABS(x) ((x<0)?-x:x)
+#define SROM_SHORT(pX) (*(u8 *)(pX) | *((u8 *)(pX)+1) << 8)
+
+/* bab7xx ELTEC srom */
+#define I2C_BUS_DAT (CFG_ISA_IO + 0x220)
+#define I2C_BUS_DIR (CFG_ISA_IO + 0x221)
+
+/* srom at mpc107 */
+#define MPC107_I2CADDR (mpc107_eumb_addr + 0x3000) /* address */
+#define MPC107_I2CFDR (mpc107_eumb_addr + 0x3004) /* freq divider */
+#define MPC107_I2CCR (mpc107_eumb_addr + 0x3008) /* control */
+#define MPC107_I2CSR (mpc107_eumb_addr + 0x300c) /* status */
+#define MPC107_I2CDR (mpc107_eumb_addr + 0x3010) /* data */
+#define MPC107_I2C_TIMEOUT 10000000
+
+/* i82559 */
+#define EE_ADDR_BITS 6
+#define EE_SIZE 0x40 /* 0x40 words */
+#define EE_CHECKSUM 0xBABA
+
+/* dc21143 */
+#define DEC_SROM_SIZE 128
+
+
+/*
+ * structure of revision srom
+ */
+typedef struct {
+ char magic[8]; /* 000 - Magic number */
+ char revrev[2]; /* 008 - Revision of structure */
+ unsigned short size; /* 00A - Size of CRC area */
+ unsigned long crc; /* 00C - CRC */
+ char board[16]; /* 010 - Board Revision information */
+ char option[4][16]; /* 020 - Option Revision information */
+ char serial[8]; /* 060 - Board serial number */
+ char etheraddr[6]; /* 068 - Ethernet node addresse */
+ char reserved[2]; /* 06E - Reserved */
+ char revision[7][2]; /* 070 - Revision codes */
+ char category[2]; /* 07E - Category codes */
+ char text[64]; /* 080 - Text field */
+ char res[64]; /* 0C0 - Reserved */
+} revinfo;
+
+unsigned long el_srom_checksum (unsigned char *ptr, unsigned long size);
+int el_srom_load (unsigned char addr, unsigned char *buf, int cnt,
+ unsigned char device, unsigned char block);
+int el_srom_store (unsigned char addr, unsigned char *buf, int cnt,
+ unsigned char device, unsigned char block);
+
+int mpc107_i2c_init (unsigned long eumb_addr, unsigned long divider);
+int mpc107_i2c_read_byte (unsigned char device, unsigned char block, unsigned char offset);
+int mpc107_i2c_write_byte (unsigned char device, unsigned char block,
+ unsigned char offset, unsigned char val);
+int mpc107_srom_load (unsigned char addr, unsigned char *pBuf, int cnt,
+ unsigned char device, unsigned char block);
+int mpc107_srom_store (unsigned char addr, unsigned char *pBuf, int cnt,
+ unsigned char device, unsigned char block);
+
+int dc_srom_load (unsigned short *dest);
+int dc_srom_store (unsigned short *src);
+
+unsigned short eepro100_srom_checksum (unsigned short *sromdata);
+void eepro100_srom_load (unsigned short *destination);
+int eepro100_srom_store (unsigned short *source);