Initial revision

1 files changed, 102 insertions, 0 deletions

diff --git a/board/eltec/elppc/srom.h b/board/eltec/elppc/srom.h
new file mode 100644
index 0000000..7924bcd
--- /dev/null
+++ b/board/eltec/elppc/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);