Initial revision

4 files changed, 383 insertions, 0 deletions

diff --git a/board/evb64260/bootseq.txt b/board/evb64260/bootseq.txt
new file mode 100644
index 0000000..648c2ff
--- /dev/null
+++ b/board/evb64260/bootseq.txt
@@ -0,0 +1,94 @@
+(cpu/mpc7xxx/start.S)
+
+start:
+    b boot_cold
+
+start_warm:
+    b boot_warm
+
+
+boot_cold:
+boot_warm:
+    clear bats
+    init l2 (if enabled)
+    init altivec (if enabled)
+    invalidate l2 (if enabled)
+    setup bats (from defines in config_EVB)
+    enable_addr_trans: (if MMU enabled)
+	enable MSR_IR and MSR_DR
+    jump to in_flash
+
+in_flash:
+    enable l1 dcache
+    gal_low_init: (board/evb64260/sdram_init.S)
+	config SDRAM (CFG, TIMING, DECODE)
+	init scratch regs (810 + 814)
+
+	detect DIMM0 (bank 0 only)
+	config SDRAM_PARA0 to 256/512Mbit
+	bl sdram_op_mode
+	detect bank0 width
+	    write scratch reg 810
+	config SDRAM_PARA0 with results
+	config SDRAM_PARA1 with results
+
+	detect DIMM1 (bank 2 only)
+	config SDRAM_PARA2 to 256/512Mbit
+	detect bank2 width
+	    write scratch reg 814
+	config SDRAM_PARA2 with results
+	config SDRAM_PARA3 with results
+
+	setup device bus timings/width
+	setup boot device timings/width
+
+	setup CPU_CONF (0x0)
+	setup cpu master control register 0x160
+	setup PCI0 TIMEOUT
+	setup PCI1 TIMEOUT
+	setup PCI0 BAR
+	setup PCI1 BAR
+
+	setup MPP control 0-3
+	setup GPP level control
+	setup Serial ports multiplex
+
+    setup stack pointer (r1)
+    setup GOT
+    call cpu_init_f
+    	debug leds
+    board_init_f: (common/board.c)
+	board_pre_init:
+	    remap gt regs?
+	    map PCI mem/io
+	    map device space
+	    clear out interupts
+	init_timebase
+	env_init
+	serial_init
+	console_init_f
+	display_options
+	initdram: (board/evb64260/evb64260.c)
+	    detect memory
+	    for each bank:
+		dram_size()
+		setup PCI slave memory mappings
+		setup SCS
+   	setup monitor
+	alloc board info struct
+	init bd struct
+	relocate_code: (cpu/mpc7xxx/start.S)
+	    copy,got,clearbss
+	    board_init_r(bd, dest_addr) (common/board.c)
+		setup bd function pointers
+		trap_init
+		flash_init: (board/evb64260/flash.c)
+		setup bd flash info
+		cpu_init_r: (cpu/mpc7xxx/cpu_init.c)
+		    nothing
+		mem_malloc_init
+		malloc_bin_reloc
+		spi_init (r or f)??? (CFG_ENV_IS_IN_EEPROM)
+		env_relocated
+		misc_init_r(bd): (board/evb64260/evb64260.c)
+		    mpsc_init2
diff --git a/board/evb64260/eth_addrtbl.h b/board/evb64260/eth_addrtbl.h
new file mode 100644
index 0000000..60380c6
--- /dev/null
+++ b/board/evb64260/eth_addrtbl.h
@@ -0,0 +1,84 @@
+#ifndef _ADDRESS_TABLE_H
+#define _ADDRESS_TABLE_H 1
+
+/*
+ * ----------------------------------------------------------------------------
+ * addressTable.h - this file has all the declarations of the address table
+ */
+
+#define _8K_TABLE                           0
+#define ADDRESS_TABLE_ALIGNMENT             8
+#define HASH_DEFAULT_MODE                   14
+#define HASH_MODE                           13
+#define HASH_SIZE                           12
+#define HOP_NUMBER                          12
+#define MAC_ADDRESS_STRING_SIZE             12
+#define MAC_ENTRY_SIZE                      sizeof(addrTblEntry)
+#define MAX_NUMBER_OF_ADDRESSES_TO_STORE    1000
+#define PROMISCUOUS_MODE                    0
+#define SKIP                                1<<1
+#define SKIP_BIT                            1
+#define VALID                               1
+
+/*
+ * ----------------------------------------------------------------------------
+ * XXX_MIKE - potential sign-extension bugs lurk here...
+ */
+#define NIBBLE_SWAPPING_32_BIT(X) ( (((X) & 0xf0f0f0f0) >> 4) \
+                                  | (((X) & 0x0f0f0f0f) << 4) )
+
+#define NIBBLE_SWAPPING_16_BIT(X) ( (((X) & 0x0000f0f0) >> 4) \
+                                  | (((X) & 0x00000f0f) << 4) )
+
+#define FLIP_4_BITS(X)  ( (((X) & 0x01) << 3) | (((X) & 0x002) << 1) \
+                        | (((X) & 0x04) >> 1) | (((X) & 0x008) >> 3) )
+
+#define FLIP_6_BITS(X)  ( (((X) & 0x01) << 5) | (((X) & 0x020) >> 5) \
+                        | (((X) & 0x02) << 3) | (((X) & 0x010) >> 3) \
+                        | (((X) & 0x04) << 1) | (((X) & 0x008) >> 1) )
+
+#define FLIP_9_BITS(X)  ( (((X) & 0x01) << 8) | (((X) & 0x100) >> 8) \
+                        | (((X) & 0x02) << 6) | (((X) & 0x080) >> 6) \
+                        | (((X) & 0x04) << 4) | (((X) & 0x040) >> 4) \
+         | ((X) & 0x10) | (((X) & 0x08) << 2) | (((X) & 0x020) >> 2) )
+
+/*
+ * V: value we're operating on
+ * O: offset of rightmost bit in field
+ * W: width of field to shift
+ * S: distance to shift left
+ */
+#define MASK( fieldWidth )                            ((1 << (fieldWidth)) - 1)
+#define leftShiftedBitfield( V,O,W,S)        (((V) & (MASK(W) << (O)))  << (S))
+#define rightShiftedBitfield(V,O,W,S)  (((u32)((V) & (MASK(W) << (O)))) >> (S))
+
+
+/*
+ * Push to main memory all cache lines associated with
+ * the specified range of virtual memory addresses
+ *
+ * A: Address of first byte in range to flush
+ * N: Number of bytes to flush
+ * Note - flush_dcache_range() does a "sync", does NOT invalidate
+ */
+#define DCACHE_FLUSH_N_SYNC( A, N )        flush_dcache_range( (A), ((A)+(N)) )
+
+
+
+typedef struct addressTableEntryStruct  {
+    u32 hi;
+    u32 lo;
+} addrTblEntry;
+
+u32
+uncachedPages( u32 pages  );
+u32
+hashTableFunction( u32 macH, u32 macL, u32 HashSize, u32 hash_mode );
+
+unsigned int
+initAddressTable( u32 port, u32 hashMode, u32 hashSize );
+
+int
+addAddressTableEntry( u32 port, u32 macH, u32 macL, u32 rd, u32 skip          );
+
+#endif                                           /* #ifndef _ADDRESS_TABLE_H */
diff --git a/board/evb64260/mpsc.h b/board/evb64260/mpsc.h
new file mode 100644
index 0000000..54b642a
--- /dev/null
+++ b/board/evb64260/mpsc.h
@@ -0,0 +1,142 @@
+/*
+ * (C) Copyright 2001
+ * John Clemens <clemens@mclx.com>, Mission Critical Linux, Inc.
+ *
+ * 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
+ */
+
+/*
+ * mpsc.h - header file for MPSC in uart mode (console driver)
+ */
+
+#ifndef __MPSC_H__
+#define __MPSC_H__
+
+/* include actual Galileo defines */
+#include <galileo/gt64260R.h>
+
+/* driver related defines */
+
+int mpsc_init(int baud);
+void mpsc_init2(void);
+char mpsc_getchar(void);
+int mpsc_test_char(void);
+int galbrg_set_baudrate(int channel, int rate);
+
+int mpsc_putchar_early(char ch);
+extern int (*mpsc_putchar)(char ch);
+
+#define CHANNEL CONFIG_MPSC_PORT
+
+#define TX_DESC     5
+#define RX_DESC     20
+
+#define DESC_FIRST  0x00010000
+#define DESC_LAST   0x00020000
+#define DESC_OWNER  0x80000000
+
+#define TX_DEMAND   0x00800000
+#define TX_STOP     0x00010000
+#define RX_ENABLE   0x00000080
+
+#define SDMA_RX_ABORT 		  (1 << 15)
+#define SDMA_TX_ABORT 		  (1 << 31)
+#define MPSC_TX_ABORT 		  (1 << 7)
+#define MPSC_RX_ABORT             (1 << 23)
+#define MPSC_ENTER_HUNT           (1 << 31)
+
+/* MPSC defines */
+
+#define GALMPSC_CONNECT            0x1
+#define GALMPSC_DISCONNECT         0x0
+
+#define GALMPSC_UART               0x1
+
+#define GALMPSC_STOP_BITS_1        0x0
+#define GALMPSC_STOP_BITS_2        0x1
+#define GALMPSC_CHAR_LENGTH_8      0x3
+#define GALMPSC_CHAR_LENGTH_7      0x2
+
+#define GALMPSC_PARITY_ODD         0x0
+#define GALMPSC_PARITY_EVEN        0x2
+#define GALMPSC_PARITY_MARK        0x3
+#define GALMPSC_PARITY_SPACE       0x1
+#define GALMPSC_PARITY_NONE        -1
+
+#define GALMPSC_SERIAL_MULTIPLEX   SERIAL_PORT_MULTIPLEX           /* 0xf010 */
+#define GALMPSC_ROUTING_REGISTER   MAIN_ROUTING_REGISTER           /* 0xb400 */
+#define GALMPSC_RxC_ROUTE          RECEIVE_CLOCK_ROUTING_REGISTER  /* 0xb404 */
+#define GALMPSC_TxC_ROUTE          TRANSMIT_CLOCK_ROUTING_REGISTER /* 0xb408 */
+#define GALMPSC_MCONF_LOW          MPSC0_MAIN_CONFIGURATION_LOW    /* 0x8000 */
+#define GALMPSC_MCONF_HIGH         MPSC0_MAIN_CONFIGURATION_HIGH   /* 0x8004 */
+#define GALMPSC_PROTOCONF_REG      MPSC0_PROTOCOL_CONFIGURATION    /* 0x8008 */
+
+#define GALMPSC_REG_GAP            0x1000
+
+#define GALMPSC_MCONF_CHREG_BASE   CHANNEL0_REGISTER1  /* 0x800c */
+#define GALMPSC_CHANNELREG_1       CHANNEL0_REGISTER1  /* 0x800c */
+#define GALMPSC_CHANNELREG_2       CHANNEL0_REGISTER2  /* 0x8010 */
+#define GALMPSC_CHANNELREG_3       CHANNEL0_REGISTER3  /* 0x8014 */
+#define GALMPSC_CHANNELREG_4       CHANNEL0_REGISTER4  /* 0x8018 */
+#define GALMPSC_CHANNELREG_5       CHANNEL0_REGISTER5  /* 0x801c */
+#define GALMPSC_CHANNELREG_6       CHANNEL0_REGISTER6  /* 0x8020 */
+#define GALMPSC_CHANNELREG_7       CHANNEL0_REGISTER7  /* 0x8024 */
+#define GALMPSC_CHANNELREG_8       CHANNEL0_REGISTER8  /* 0x8028 */
+#define GALMPSC_CHANNELREG_9       CHANNEL0_REGISTER9  /* 0x802c */
+#define GALMPSC_CHANNELREG_10      CHANNEL0_REGISTER10 /* 0x8030 */
+#define GALMPSC_CHANNELREG_11      CHANNEL0_REGISTER11 /* 0x8034 */
+
+#define GALSDMA_COMMAND_FIRST     (1 << 16)
+#define GALSDMA_COMMAND_LAST      (1 << 17)
+#define GALSDMA_COMMAND_ENABLEINT (1 << 23)
+#define GALSDMA_COMMAND_AUTO      (1 << 30)
+#define GALSDMA_COMMAND_OWNER     (1 << 31)
+
+#define GALSDMA_RX                 0
+#define GALSDMA_TX                 1
+
+/* CHANNEL2 should be CHANNEL1, according to documentation,
+ * but to work with the current GTREGS file...
+ */
+#define GALSDMA_0_CONF_REG         CHANNEL0_CONFIGURATION_REGISTER   /* 0x4000 */
+#define GALSDMA_1_CONF_REG         CHANNEL2_CONFIGURATION_REGISTER   /* 0x6000 */
+#define GALSDMA_0_COM_REG          CHANNEL0_COMMAND_REGISTER         /* 0x4008 */
+#define GALSDMA_1_COM_REG          CHANNEL2_COMMAND_REGISTER         /* 0x6008 */
+#define GALSDMA_0_CUR_RX_PTR       CHANNEL0_CURRENT_RX_DESCRIPTOR_POINTER  /* 0x4810 */
+#define GALSDMA_0_CUR_TX_PTR       CHANNEL0_CURRENT_TX_DESCRIPTOR_POINTER  /* 0x4c10 */
+#define GALSDMA_0_FIR_TX_PTR       CHANNEL0_FIRST_TX_DESCRIPTOR_POINTER    /* 0x4c14 */
+#define GALSDMA_1_CUR_RX_PTR       CHANNEL2_CURRENT_RX_DESCRIPTOR_POINTER  /* 0x6810 */
+#define GALSDMA_1_CUR_TX_PTR       CHANNEL2_CURRENT_TX_DESCRIPTOR_POINTER  /* 0x6c10 */
+#define GALSDMA_1_FIR_TX_PTR       CHANNEL2_FIRST_TX_DESCRIPTOR_POINTER    /* 0x6c14 */
+#define GALSDMA_REG_DIFF           0x2000
+
+/* WRONG in gt64260R.h */
+#define GALSDMA_INT_CAUSE          0xb800   /* SDMA_CAUSE */
+#define GALSDMA_INT_MASK           0xb880   /* SDMA_MASK  */
+
+#define GALSDMA_MODE_UART          0
+#define GALSDMA_MODE_BISYNC        1
+#define GALSDMA_MODE_HDLC          2
+#define GALSDMA_MODE_TRANSPARENT   3
+
+#define GALBRG_0_CONFREG           BRG0_CONFIGURATION_REGISTER  /*  0xb200  */
+#define GALBRG_REG_GAP             0x0008
+#define GALBRG_0_BTREG             BRG0_BAUDE_TUNING_REGISTER   /*  0xb204  */
+
+#endif /* __MPSC_H__ */
diff --git a/board/evb64260/serial.h b/board/evb64260/serial.h
new file mode 100644
index 0000000..bac9253
--- /dev/null
+++ b/board/evb64260/serial.h
@@ -0,0 +1,63 @@
+/* serial.h - mostly useful for DUART serial_init in serial.c */
+
+#ifndef __SERIAL_H__
+#define __SERIAL_H__
+
+#if 0
+
+#define B230400         1
+#define B115200         2
+#define B57600          4
+#define B38400          82
+#define B19200          163
+#define B9600           24
+#define B4800           651
+#define B2400           1302
+#define B1200           2604
+#define B600            5208
+#define B300            10417
+#define B150            20833
+#define B110            28409
+#define BDEFAULT        B115200
+
+				/* this stuff is important to initialize
+				the DUART channels */
+
+#define	Scale		0x01L		/* distance between port addresses */
+#define	COM1		0x000003f8		/* Keyboard */
+#define COM2		0x000002f8		/* Host */
+
+
+/* Port Definitions relative to base COM port addresses */
+#define DataIn	(0x00*Scale)	/* data input port */
+#define DataOut	(0x00*Scale)	/* data output port */
+#define BaudLsb	(0x00*Scale)	/* baud rate divisor least significant byte */
+#define BaudMsb	(0x01*Scale)	/* baud rate divisor most significant byte */
+#define	Ier	(0x01*Scale)	/* interrupt enable register */
+#define	Iir	(0x02*Scale)	/* interrupt identification register */
+#define	Lcr	(0x03*Scale)	/* line control register */
+#define	Mcr	(0x04*Scale)	/* modem control register */
+#define	Lsr	(0x05*Scale)	/* line status register */
+#define	Msr	(0x06*Scale)	/* modem status register */
+
+/* Bit Definitions for above ports */
+#define LcrDlab	0x80	/* b7:	 enable baud rate divisor registers */
+#define	LcrDflt	0x03	/* b6-0: no parity, 1 stop, 8 data */
+
+#define	McrRts	0x02	/* b1:	request to send (I am ready to xmit) */
+#define	McrDtr	0x01	/* b0:	data terminal ready (I am alive ready to rcv) */
+#define	McrDflt	(McrRts|McrDtr)
+
+#define LsrTxD	0x6000	/* b5: transmit holding register empty (i.e. xmit OK!)*/
+			/* b6: transmitter empty */
+#define LsrRxD	0x0100	/* b0: received data ready (i.e. got a byte!) */
+
+#define	MsrRi	0x0040	/* b6: ring indicator (other guy is ready to rcv) */
+#define	MsrDsr	0x0020	/* b5: data set ready (other guy is alive ready to rcv */
+#define	MsrCts	0x0010	/* b4: clear to send (other guy is ready to rcv) */
+
+#define IerRda	0xf	/* b0: Enable received data available interrupt */
+
+#endif
+
+#endif /* __SERIAL_H__ */