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-rw-r--r--cpu/bf561/Makefile52
-rw-r--r--cpu/bf561/cache.S129
-rw-r--r--cpu/bf561/config.mk27
-rw-r--r--cpu/bf561/cpu.c212
-rw-r--r--cpu/bf561/cpu.h66
-rw-r--r--cpu/bf561/flush.S402
-rw-r--r--cpu/bf561/init_sdram.S175
-rw-r--r--cpu/bf561/init_sdram_bootrom_initblock.S189
-rw-r--r--cpu/bf561/interrupt.S244
-rw-r--r--cpu/bf561/interrupts.c167
-rw-r--r--cpu/bf561/ints.c112
-rw-r--r--cpu/bf561/serial.c188
-rw-r--r--cpu/bf561/serial.h77
-rw-r--r--cpu/bf561/start.S303
-rw-r--r--cpu/bf561/start1.S38
-rw-r--r--cpu/bf561/traps.c238
-rw-r--r--cpu/bf561/video.c194
-rw-r--r--cpu/bf561/video.h25
18 files changed, 0 insertions, 2838 deletions
diff --git a/cpu/bf561/Makefile b/cpu/bf561/Makefile
deleted file mode 100644
index 418a437..0000000
--- a/cpu/bf561/Makefile
+++ /dev/null
@@ -1,52 +0,0 @@
-# U-boot - Makefile
-#
-# Copyright (c) 2005-2007 Analog Devices Inc.
-#
-# (C) Copyright 2000-2004
-# Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
-# MA 02110-1301 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(CPU).a
-
-SOBJS = start.o start1.o interrupt.o cache.o flush.o init_sdram.o
-COBJS = cpu.o traps.o ints.o serial.o interrupts.o video.o
-
-EXTRA = init_sdram_bootrom_initblock.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
-START := $(addprefix $(obj),$(START))
-
-all: $(obj).depend $(START) $(LIB) $(obj).depend $(EXTRA)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/cpu/bf561/cache.S b/cpu/bf561/cache.S
deleted file mode 100644
index d9015c6..0000000
--- a/cpu/bf561/cache.S
+++ /dev/null
@@ -1,129 +0,0 @@
-#define ASSEMBLY
-#include <asm/linkage.h>
-#include <config.h>
-#include <asm/blackfin.h>
-#include <asm/mach-common/bits/mpu.h>
-
-.text
-.align 2
-ENTRY(_blackfin_icache_flush_range)
- R2 = -32;
- R2 = R0 & R2;
- P0 = R2;
- P1 = R1;
- CSYNC;
- 1:
- IFLUSH[P0++];
- CC = P0 < P1(iu);
- IF CC JUMP 1b(bp);
- IFLUSH[P0];
- SSYNC;
- RTS;
-
-ENTRY(_blackfin_dcache_flush_range)
- R2 = -32;
- R2 = R0 & R2;
- P0 = R2;
- P1 = R1;
- CSYNC;
-1:
- FLUSH[P0++];
- CC = P0 < P1(iu);
- IF CC JUMP 1b(bp);
- FLUSH[P0];
- SSYNC;
- RTS;
-
-ENTRY(_icache_invalidate)
-ENTRY(_invalidate_entire_icache)
- [--SP] = (R7:5);
-
- P0.L = (IMEM_CONTROL & 0xFFFF);
- P0.H = (IMEM_CONTROL >> 16);
- R7 =[P0];
-
- /*
- * Clear the IMC bit , All valid bits in the instruction
- * cache are set to the invalid state
- */
- BITCLR(R7, IMC_P);
- CLI R6;
- /* SSYNC required before invalidating cache. */
- SSYNC;
- .align 8;
- [P0] = R7;
- SSYNC;
- STI R6;
-
- /* Configures the instruction cache agian */
- R6 = (IMC | ENICPLB);
- R7 = R7 | R6;
-
- CLI R6;
- SSYNC;
- .align 8;
- [P0] = R7;
- SSYNC;
- STI R6;
-
- (R7:5) =[SP++];
- RTS;
-
-/*
- * Invalidate the Entire Data cache by
- * clearing DMC[1:0] bits
- */
-ENTRY(_invalidate_entire_dcache)
-ENTRY(_dcache_invalidate)
- [--SP] = (R7:6);
-
- P0.L = (DMEM_CONTROL & 0xFFFF);
- P0.H = (DMEM_CONTROL >> 16);
- R7 =[P0];
-
- /*
- * Clear the DMC[1:0] bits, All valid bits in the data
- * cache are set to the invalid state
- */
- BITCLR(R7, DMC0_P);
- BITCLR(R7, DMC1_P);
- CLI R6;
- SSYNC;
- .align 8;
- [P0] = R7;
- SSYNC;
- STI R6;
- /* Configures the data cache again */
-
- R6 = (ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
- R7 = R7 | R6;
-
- CLI R6;
- SSYNC;
- .align 8;
- [P0] = R7;
- SSYNC;
- STI R6;
-
- (R7:6) =[SP++];
- RTS;
-
-ENTRY(_blackfin_dcache_invalidate_range)
- R2 = -32;
- R2 = R0 & R2;
- P0 = R2;
- P1 = R1;
- CSYNC;
-1:
- FLUSHINV[P0++];
- CC = P0 < P1(iu);
- IF CC JUMP 1b(bp);
-
- /*
- * If the data crosses a cache line, then we'll be pointing to
- * the last cache line, but won't have flushed/invalidated it yet, so do
- * one more.
- */
- FLUSHINV[P0];
- SSYNC;
- RTS;
diff --git a/cpu/bf561/config.mk b/cpu/bf561/config.mk
deleted file mode 100644
index 3628a02..0000000
--- a/cpu/bf561/config.mk
+++ /dev/null
@@ -1,27 +0,0 @@
-# U-boot - config.mk
-#
-# Copyright (c) 2005-2007 Analog Devices Inc.
-#
-# (C) Copyright 2000-2004
-# Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
-# MA 02110-1301 USA
-#
-
-PLATFORM_RELFLAGS += -mcpu=bf561
diff --git a/cpu/bf561/cpu.c b/cpu/bf561/cpu.c
deleted file mode 100644
index e0dd2f5..0000000
--- a/cpu/bf561/cpu.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * U-boot - cpu.c CPU specific functions
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <common.h>
-#include <asm/blackfin.h>
-#include <command.h>
-#include <asm/entry.h>
-#include <asm/cplb.h>
-#include <asm/io.h>
-
-#define CACHE_ON 1
-#define CACHE_OFF 0
-
-extern unsigned int icplb_table[page_descriptor_table_size][2];
-extern unsigned int dcplb_table[page_descriptor_table_size][2];
-
-int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
-{
- __asm__ __volatile__("cli r3;" "P0 = %0;" "JUMP (P0);"::"r"(L1_INST_SRAM)
- );
-
- return 0;
-}
-
-/* These functions are just used to satisfy the linker */
-int cpu_init(void)
-{
- return 0;
-}
-
-int cleanup_before_linux(void)
-{
- return 0;
-}
-
-void icache_enable(void)
-{
- unsigned int *I0, *I1;
- int i, j = 0;
-
- /* Before enable icache, disable it first */
- icache_disable();
- I0 = (unsigned int *)ICPLB_ADDR0;
- I1 = (unsigned int *)ICPLB_DATA0;
-
- /* make sure the locked ones go in first */
- for (i = 0; i < page_descriptor_table_size; i++) {
- if (CPLB_LOCK & icplb_table[i][1]) {
- debug("adding %02i %02i 0x%08x 0x%08x\n", i, j,
- icplb_table[i][0], icplb_table[i][1]);
- *I0++ = icplb_table[i][0];
- *I1++ = icplb_table[i][1];
- j++;
- }
- }
-
- for (i = 0; i < page_descriptor_table_size; i++) {
- if (!(CPLB_LOCK & icplb_table[i][1])) {
- debug("adding %02i %02i 0x%08x 0x%08x\n", i, j,
- icplb_table[i][0], icplb_table[i][1]);
- *I0++ = icplb_table[i][0];
- *I1++ = icplb_table[i][1];
- j++;
- if (j == 16) {
- break;
- }
- }
- }
-
- /* Fill the rest with invalid entry */
- if (j <= 15) {
- for (; j < 16; j++) {
- debug("filling %i with 0", j);
- *I1++ = 0x0;
- }
-
- }
-
- SSYNC();
- asm(" .align 8; ");
- *(unsigned int *)IMEM_CONTROL = IMC | ENICPLB;
- SSYNC();
-}
-
-void icache_disable(void)
-{
- SSYNC();
- asm(" .align 8; ");
- *(unsigned int *)IMEM_CONTROL &= ~(IMC | ENICPLB);
- SSYNC();
-}
-
-int icache_status(void)
-{
- unsigned int value;
- value = *(unsigned int *)IMEM_CONTROL;
-
- if (value & (IMC | ENICPLB))
- return CACHE_ON;
- else
- return CACHE_OFF;
-}
-
-void dcache_enable(void)
-{
- unsigned int *I0, *I1;
- unsigned int temp;
- int i, j = 0;
-
- /* Before enable dcache, disable it first */
- dcache_disable();
- I0 = (unsigned int *)DCPLB_ADDR0;
- I1 = (unsigned int *)DCPLB_DATA0;
-
- /* make sure the locked ones go in first */
- for (i = 0; i < page_descriptor_table_size; i++) {
- if (CPLB_LOCK & dcplb_table[i][1]) {
- debug("adding %02i %02i 0x%08x 0x%08x\n", i, j,
- dcplb_table[i][0], dcplb_table[i][1]);
- *I0++ = dcplb_table[i][0];
- *I1++ = dcplb_table[i][1];
- j++;
- } else {
- debug("skip %02i %02i 0x%08x 0x%08x\n", i, j,
- dcplb_table[i][0], dcplb_table[i][1]);
- }
- }
-
- for (i = 0; i < page_descriptor_table_size; i++) {
- if (!(CPLB_LOCK & dcplb_table[i][1])) {
- debug("adding %02i %02i 0x%08x 0x%08x\n", i, j,
- dcplb_table[i][0], dcplb_table[i][1]);
- *I0++ = dcplb_table[i][0];
- *I1++ = dcplb_table[i][1];
- j++;
- if (j == 16) {
- break;
- }
- }
- }
-
- /* Fill the rest with invalid entry */
- if (j <= 15) {
- for (; j < 16; j++) {
- debug("filling %i with 0", j);
- *I1++ = 0x0;
- }
- }
-
- temp = *(unsigned int *)DMEM_CONTROL;
- SSYNC();
- asm(" .align 8; ");
- *(unsigned int *)DMEM_CONTROL =
- ACACHE_BCACHE | ENDCPLB | PORT_PREF0 | temp;
- SSYNC();
-}
-
-void dcache_disable(void)
-{
-
- unsigned int *I0, *I1;
- int i;
-
- SSYNC();
- asm(" .align 8; ");
- *(unsigned int *)DMEM_CONTROL &=
- ~(ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
- SSYNC();
-
- /* after disable dcache, clear it so we don't confuse the next application */
- I0 = (unsigned int *)DCPLB_ADDR0;
- I1 = (unsigned int *)DCPLB_DATA0;
-
- for (i = 0; i < 16; i++) {
- *I0++ = 0x0;
- *I1++ = 0x0;
- }
-}
-
-int dcache_status(void)
-{
- unsigned int value;
- value = *(unsigned int *)DMEM_CONTROL;
- if (value & (ENDCPLB))
- return CACHE_ON;
- else
- return CACHE_OFF;
-}
diff --git a/cpu/bf561/cpu.h b/cpu/bf561/cpu.h
deleted file mode 100644
index b6b73b1..0000000
--- a/cpu/bf561/cpu.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * U-boot - cpu.h
- *
- * Copyright (c) 2005-2007 Analog Devices 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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#ifndef _CPU_H_
-#define _CPU_H_
-
-#include <command.h>
-
-#define INTERNAL_IRQS (32)
-#define NUM_IRQ_NODES 16
-#define DEF_INTERRUPT_FLAGS 1
-#define MAX_TIM_LOAD 0xFFFFFFFF
-
-void blackfin_irq_panic(int reason, struct pt_regs *reg);
-extern void dump(struct pt_regs *regs);
-void display_excp(void);
-asmlinkage void evt_nmi(void);
-asmlinkage void evt_exception(void);
-asmlinkage void trap(void);
-asmlinkage void evt_ivhw(void);
-asmlinkage void evt_rst(void);
-asmlinkage void evt_timer(void);
-asmlinkage void evt_evt7(void);
-asmlinkage void evt_evt8(void);
-asmlinkage void evt_evt9(void);
-asmlinkage void evt_evt10(void);
-asmlinkage void evt_evt11(void);
-asmlinkage void evt_evt12(void);
-asmlinkage void evt_evt13(void);
-asmlinkage void evt_soft_int1(void);
-asmlinkage void evt_system_call(void);
-void blackfin_irq_panic(int reason, struct pt_regs *regs);
-void blackfin_free_irq(unsigned int irq, void *dev_id);
-void call_isr(int irq, struct pt_regs *fp);
-void blackfin_do_irq(int vec, struct pt_regs *fp);
-void blackfin_init_IRQ(void);
-void blackfin_enable_irq(unsigned int irq);
-void blackfin_disable_irq(unsigned int irq);
-extern int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
-int blackfin_request_irq(unsigned int irq,
- void (*handler) (int, void *, struct pt_regs *),
- unsigned long flags, const char *devname,
- void *dev_id);
-void timer_init(void);
-#endif
diff --git a/cpu/bf561/flush.S b/cpu/bf561/flush.S
deleted file mode 100644
index 0140a60..0000000
--- a/cpu/bf561/flush.S
+++ /dev/null
@@ -1,402 +0,0 @@
-/* Copyright (C) 2003-2007 Analog Devices Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.
- */
-
-#define ASSEMBLY
-
-#include <asm/linkage.h>
-#include <asm/cplb.h>
-#include <config.h>
-#include <asm/blackfin.h>
-
-.text
-
-/* This is an external function being called by the user
- * application through __flush_cache_all. Currently this function
- * serves the purpose of flushing all the pending writes in
- * in the instruction cache.
- */
-
-ENTRY(_flush_instruction_cache)
- [--SP] = ( R7:6, P5:4 );
- LINK 12;
- SP += -12;
- P5.H = (ICPLB_ADDR0 >> 16);
- P5.L = (ICPLB_ADDR0 & 0xFFFF);
- P4.H = (ICPLB_DATA0 >> 16);
- P4.L = (ICPLB_DATA0 & 0xFFFF);
- R7 = CPLB_VALID | CPLB_L1_CHBL;
- R6 = 16;
-inext: R0 = [P5++];
- R1 = [P4++];
- [--SP] = RETS;
- CALL _icplb_flush; /* R0 = page, R1 = data*/
- RETS = [SP++];
-iskip: R6 += -1;
- CC = R6;
- IF CC JUMP inext;
- SSYNC;
- SP += 12;
- UNLINK;
- ( R7:6, P5:4 ) = [SP++];
- RTS;
-
-/* This is an internal function to flush all pending
- * writes in the cache associated with a particular ICPLB.
- *
- * R0 - page's start address
- * R1 - CPLB's data field.
- */
-
-.align 2
-ENTRY(_icplb_flush)
- [--SP] = ( R7:0, P5:0 );
- [--SP] = LC0;
- [--SP] = LT0;
- [--SP] = LB0;
- [--SP] = LC1;
- [--SP] = LT1;
- [--SP] = LB1;
-
- /* If it's a 1K or 4K page, then it's quickest to
- * just systematically flush all the addresses in
- * the page, regardless of whether they're in the
- * cache, or dirty. If it's a 1M or 4M page, there
- * are too many addresses, and we have to search the
- * cache for lines corresponding to the page.
- */
-
- CC = BITTST(R1, 17); /* 1MB or 4MB */
- IF !CC JUMP iflush_whole_page;
-
- /* We're only interested in the page's size, so extract
- * this from the CPLB (bits 17:16), and scale to give an
- * offset into the page_size and page_prefix tables.
- */
-
- R1 <<= 14;
- R1 >>= 30;
- R1 <<= 2;
-
- /* We can also determine the sub-bank used, because this is
- * taken from bits 13:12 of the address.
- */
-
- R3 = ((12<<8)|2); /* Extraction pattern */
- nop; /*Anamoly 05000209*/
- R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits*/
- R3.H = R4.L << 0 ; /* Save in extraction pattern for later deposit.*/
-
-
- /* So:
- * R0 = Page start
- * R1 = Page length (actually, offset into size/prefix tables)
- * R3 = sub-bank deposit values
- *
- * The cache has 2 Ways, and 64 sets, so we iterate through
- * the sets, accessing the tag for each Way, for our Bank and
- * sub-bank, looking for dirty, valid tags that match our
- * address prefix.
- */
-
- P5.L = (ITEST_COMMAND & 0xFFFF);
- P5.H = (ITEST_COMMAND >> 16);
- P4.L = (ITEST_DATA0 & 0xFFFF);
- P4.H = (ITEST_DATA0 >> 16);
-
- P0.L = page_prefix_table;
- P0.H = page_prefix_table;
- P1 = R1;
- R5 = 0; /* Set counter*/
- P0 = P1 + P0;
- R4 = [P0]; /* This is the address prefix*/
-
- /* We're reading (bit 1==0) the tag (bit 2==0), and we
- * don't care about which double-word, since we're only
- * fetching tags, so we only have to set Set, Bank,
- * Sub-bank and Way.
- */
-
- P2 = 4;
- LSETUP (ifs1, ife1) LC1 = P2;
-ifs1: P0 = 32; /* iterate over all sets*/
- LSETUP (ifs0, ife0) LC0 = P0;
-ifs0: R6 = R5 << 5; /* Combine set*/
- R6.H = R3.H << 0 ; /* and sub-bank*/
- [P5] = R6; /* Issue Command*/
- SSYNC; /* CSYNC will not work here :(*/
- R7 = [P4]; /* and read Tag.*/
- CC = BITTST(R7, 0); /* Check if valid*/
- IF !CC JUMP ifskip; /* and skip if not.*/
-
- /* Compare against the page address. First, plant bits 13:12
- * into the tag, since those aren't part of the returned data.
- */
-
- R7 = DEPOSIT(R7, R3); /* set 13:12*/
- R1 = R7 & R4; /* Mask off lower bits*/
- CC = R1 == R0; /* Compare against page start.*/
- IF !CC JUMP ifskip; /* Skip it if it doesn't match.*/
-
- /* Tag address matches against page, so this is an entry
- * we must flush.
- */
-
- R7 >>= 10; /* Mask off the non-address bits*/
- R7 <<= 10;
- P3 = R7;
- IFLUSH [P3]; /* And flush the entry*/
-ifskip:
-ife0: R5 += 1; /* Advance to next Set*/
-ife1: NOP;
-
-ifinished:
- SSYNC; /* Ensure the data gets out to mem.*/
-
- /*Finished. Restore context.*/
- LB1 = [SP++];
- LT1 = [SP++];
- LC1 = [SP++];
- LB0 = [SP++];
- LT0 = [SP++];
- LC0 = [SP++];
- ( R7:0, P5:0 ) = [SP++];
- RTS;
-
-iflush_whole_page:
- /* It's a 1K or 4K page, so quicker to just flush the
- * entire page.
- */
-
- P1 = 32; /* For 1K pages*/
- P2 = P1 << 2; /* For 4K pages*/
- P0 = R0; /* Start of page*/
- CC = BITTST(R1, 16); /* Whether 1K or 4K*/
- IF CC P1 = P2;
- P1 += -1; /* Unroll one iteration*/
- SSYNC;
- IFLUSH [P0++]; /* because CSYNC can't end loops.*/
- LSETUP (isall, ieall) LC0 = P1;
-isall:IFLUSH [P0++];
-ieall: NOP;
- SSYNC;
- JUMP ifinished;
-
-/* This is an external function being called by the user
- * application through __flush_cache_all. Currently this function
- * serves the purpose of flushing all the pending writes in
- * in the data cache.
- */
-
-ENTRY(_flush_data_cache)
- [--SP] = ( R7:6, P5:4 );
- LINK 12;
- SP += -12;
- P5.H = (DCPLB_ADDR0 >> 16);
- P5.L = (DCPLB_ADDR0 & 0xFFFF);
- P4.H = (DCPLB_DATA0 >> 16);
- P4.L = (DCPLB_DATA0 & 0xFFFF);
- R7 = CPLB_VALID | CPLB_L1_CHBL | CPLB_DIRTY (Z);
- R6 = 16;
-next: R0 = [P5++];
- R1 = [P4++];
- CC = BITTST(R1, 14); /* Is it write-through?*/
- IF CC JUMP skip; /* If so, ignore it.*/
- R2 = R1 & R7; /* Is it a dirty, cached page?*/
- CC = R2;
- IF !CC JUMP skip; /* If not, ignore it.*/
- [--SP] = RETS;
- CALL _dcplb_flush; /* R0 = page, R1 = data*/
- RETS = [SP++];
-skip: R6 += -1;
- CC = R6;
- IF CC JUMP next;
- SSYNC;
- SP += 12;
- UNLINK;
- ( R7:6, P5:4 ) = [SP++];
- RTS;
-
-/* This is an internal function to flush all pending
- * writes in the cache associated with a particular DCPLB.
- *
- * R0 - page's start address
- * R1 - CPLB's data field.
- */
-
-.align 2
-ENTRY(_dcplb_flush)
- [--SP] = ( R7:0, P5:0 );
- [--SP] = LC0;
- [--SP] = LT0;
- [--SP] = LB0;
- [--SP] = LC1;
- [--SP] = LT1;
- [--SP] = LB1;
-
- /* If it's a 1K or 4K page, then it's quickest to
- * just systematically flush all the addresses in
- * the page, regardless of whether they're in the
- * cache, or dirty. If it's a 1M or 4M page, there
- * are too many addresses, and we have to search the
- * cache for lines corresponding to the page.
- */
-
- CC = BITTST(R1, 17); /* 1MB or 4MB */
- IF !CC JUMP dflush_whole_page;
-
- /* We're only interested in the page's size, so extract
- * this from the CPLB (bits 17:16), and scale to give an
- * offset into the page_size and page_prefix tables.
- */
-
- R1 <<= 14;
- R1 >>= 30;
- R1 <<= 2;
-
- /* The page could be mapped into Bank A or Bank B, depending
- * on (a) whether both banks are configured as cache, and
- * (b) on whether address bit A[x] is set. x is determined
- * by DCBS in DMEM_CONTROL
- */
-
- R2 = 0; /* Default to Bank A (Bank B would be 1)*/
-
- P0.L = (DMEM_CONTROL & 0xFFFF);
- P0.H = (DMEM_CONTROL >> 16);
-
- R3 = [P0]; /* If Bank B is not enabled as cache*/
- CC = BITTST(R3, 2); /* then Bank A is our only option.*/
- IF CC JUMP bank_chosen;
-
- R4 = 1<<14; /* If DCBS==0, use A[14].*/
- R5 = R4 << 7; /* If DCBS==1, use A[23];*/
- CC = BITTST(R3, 4);
- IF CC R4 = R5; /* R4 now has either bit 14 or bit 23 set.*/
- R5 = R0 & R4; /* Use it to test the Page address*/
- CC = R5; /* and if that bit is set, we use Bank B,*/
- R2 = CC; /* else we use Bank A.*/
- R2 <<= 23; /* The Bank selection's at posn 23.*/
-
-bank_chosen:
-
- /* We can also determine the sub-bank used, because this is
- * taken from bits 13:12 of the address.
- */
-
- R3 = ((12<<8)|2); /* Extraction pattern */
- nop; /*Anamoly 05000209*/
- R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits*/
- /* Save in extraction pattern for later deposit.*/
- R3.H = R4.L << 0;
-
- /* So:
- * R0 = Page start
- * R1 = Page length (actually, offset into size/prefix tables)
- * R2 = Bank select mask
- * R3 = sub-bank deposit values
- *
- * The cache has 2 Ways, and 64 sets, so we iterate through
- * the sets, accessing the tag for each Way, for our Bank and
- * sub-bank, looking for dirty, valid tags that match our
- * address prefix.
- */
-
- P5.L = (DTEST_COMMAND & 0xFFFF);
- P5.H = (DTEST_COMMAND >> 16);
- P4.L = (DTEST_DATA0 & 0xFFFF);
- P4.H = (DTEST_DATA0 >> 16);
-
- P0.L = page_prefix_table;
- P0.H = page_prefix_table;
- P1 = R1;
- R5 = 0; /* Set counter*/
- P0 = P1 + P0;
- R4 = [P0]; /* This is the address prefix*/
-
-
- /* We're reading (bit 1==0) the tag (bit 2==0), and we
- * don't care about which double-word, since we're only
- * fetching tags, so we only have to set Set, Bank,
- * Sub-bank and Way.
- */
-
- P2 = 2;
- LSETUP (fs1, fe1) LC1 = P2;
-fs1: P0 = 64; /* iterate over all sets*/
- LSETUP (fs0, fe0) LC0 = P0;
-fs0: R6 = R5 << 5; /* Combine set*/
- R6.H = R3.H << 0 ; /* and sub-bank*/
- R6 = R6 | R2; /* and Bank. Leave Way==0 at first.*/
- BITSET(R6,14);
- [P5] = R6; /* Issue Command*/
- SSYNC;
- R7 = [P4]; /* and read Tag.*/
- CC = BITTST(R7, 0); /* Check if valid*/
- IF !CC JUMP fskip; /* and skip if not.*/
- CC = BITTST(R7, 1); /* Check if dirty*/
- IF !CC JUMP fskip; /* and skip if not.*/
-
- /* Compare against the page address. First, plant bits 13:12
- * into the tag, since those aren't part of the returned data.
- */
-
- R7 = DEPOSIT(R7, R3); /* set 13:12*/
- R1 = R7 & R4; /* Mask off lower bits*/
- CC = R1 == R0; /* Compare against page start.*/
- IF !CC JUMP fskip; /* Skip it if it doesn't match.*/
-
- /* Tag address matches against page, so this is an entry
- * we must flush.
- */
-
- R7 >>= 10; /* Mask off the non-address bits*/
- R7 <<= 10;
- P3 = R7;
- SSYNC;
- FLUSHINV [P3]; /* And flush the entry*/
-fskip:
-fe0: R5 += 1; /* Advance to next Set*/
-fe1: BITSET(R2, 26); /* Go to next Way.*/
-
-dfinished:
- SSYNC; /* Ensure the data gets out to mem.*/
-
- /*Finished. Restore context.*/
- LB1 = [SP++];
- LT1 = [SP++];
- LC1 = [SP++];
- LB0 = [SP++];
- LT0 = [SP++];
- LC0 = [SP++];
- ( R7:0, P5:0 ) = [SP++];
- RTS;
-
-dflush_whole_page:
-
- /* It's a 1K or 4K page, so quicker to just flush the
- * entire page.
- */
-
- P1 = 32; /* For 1K pages*/
- P2 = P1 << 2; /* For 4K pages*/
- P0 = R0; /* Start of page*/
- CC = BITTST(R1, 16); /* Whether 1K or 4K*/
- IF CC P1 = P2;
- P1 += -1; /* Unroll one iteration*/
- SSYNC;
- FLUSHINV [P0++]; /* because CSYNC can't end loops.*/
- LSETUP (eall, eall) LC0 = P1;
-eall: FLUSHINV [P0++];
- SSYNC;
- JUMP dfinished;
-
-.align 4;
-page_prefix_table:
-.byte4 0xFFFFFC00; /* 1K */
-.byte4 0xFFFFF000; /* 4K */
-.byte4 0xFFF00000; /* 1M */
-.byte4 0xFFC00000; /* 4M */
-.page_prefix_table.end:
diff --git a/cpu/bf561/init_sdram.S b/cpu/bf561/init_sdram.S
deleted file mode 100644
index f5ccf30..0000000
--- a/cpu/bf561/init_sdram.S
+++ /dev/null
@@ -1,175 +0,0 @@
-#define ASSEMBLY
-
-#include <linux/config.h>
-#include <config.h>
-#include <asm/blackfin.h>
-#include <asm/mem_init.h>
-#include <asm/mach-common/bits/bootrom.h>
-#include <asm/mach-common/bits/ebiu.h>
-#include <asm/mach-common/bits/pll.h>
-#include <asm/mach-common/bits/uart.h>
-.global init_sdram;
-
-#if (CONFIG_CCLK_DIV == 1)
-#define CONFIG_CCLK_ACT_DIV CCLK_DIV1
-#endif
-#if (CONFIG_CCLK_DIV == 2)
-#define CONFIG_CCLK_ACT_DIV CCLK_DIV2
-#endif
-#if (CONFIG_CCLK_DIV == 4)
-#define CONFIG_CCLK_ACT_DIV CCLK_DIV4
-#endif
-#if (CONFIG_CCLK_DIV == 8)
-#define CONFIG_CCLK_ACT_DIV CCLK_DIV8
-#endif
-#ifndef CONFIG_CCLK_ACT_DIV
-#define CONFIG_CCLK_ACT_DIV CONFIG_CCLK_DIV_not_defined_properly
-#endif
-
-init_sdram:
- [--SP] = ASTAT;
- [--SP] = RETS;
- [--SP] = (R7:0);
- [--SP] = (P5:0);
-
- /*
- * PLL_LOCKCNT - how many SCLK Cycles to delay while PLL becomes stable
- */
- p0.h = hi(PLL_LOCKCNT);
- p0.l = lo(PLL_LOCKCNT);
- r0 = 0x300(Z);
- w[p0] = r0.l;
- ssync;
-
- /*
- * Put SDRAM in self-refresh, incase anything is running
- */
- P2.H = hi(EBIU_SDGCTL);
- P2.L = lo(EBIU_SDGCTL);
- R0 = [P2];
- BITSET (R0, 24);
- [P2] = R0;
- SSYNC;
-
- /*
- * Set PLL_CTL with the value that we calculate in R0
- * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors
- * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK
- * - [7] = output delay (add 200ps of delay to mem signals)
- * - [6] = input delay (add 200ps of input delay to mem signals)
- * - [5] = PDWN : 1=All Clocks off
- * - [3] = STOPCK : 1=Core Clock off
- * - [1] = PLL_OFF : 1=Disable Power to PLL
- * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL
- * all other bits set to zero
- */
-
- r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */
- r0 = r0 << 9; /* Shift it over, */
- r1 = CONFIG_CLKIN_HALF; /* Do we need to divide CLKIN by 2? */
- r0 = r1 | r0;
- r1 = CONFIG_PLL_BYPASS; /* Bypass the PLL? */
- r1 = r1 << 8; /* Shift it over */
- r0 = r1 | r0; /* add them all together */
-
- p0.h = hi(PLL_CTL);
- p0.l = lo(PLL_CTL); /* Load the address */
- cli r2; /* Disable interrupts */
- ssync;
- w[p0] = r0.l; /* Set the value */
- idle; /* Wait for the PLL to stablize */
- sti r2; /* Enable interrupts */
-
-check_again:
- p0.h = hi(PLL_STAT);
- p0.l = lo(PLL_STAT);
- R0 = W[P0](Z);
- CC = BITTST(R0,5);
- if ! CC jump check_again;
-
- /* Configure SCLK & CCLK Dividers */
- r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);
- p0.h = hi(PLL_DIV);
- p0.l = lo(PLL_DIV);
- w[p0] = r0.l;
- ssync;
-
- /*
- * We now are running at speed, time to set the Async mem bank wait states
- * This will speed up execution, since we are normally running from FLASH.
- */
-
- p2.h = (EBIU_AMBCTL1 >> 16);
- p2.l = (EBIU_AMBCTL1 & 0xFFFF);
- r0.h = (AMBCTL1VAL >> 16);
- r0.l = (AMBCTL1VAL & 0xFFFF);
- [p2] = r0;
- ssync;
-
- p2.h = (EBIU_AMBCTL0 >> 16);
- p2.l = (EBIU_AMBCTL0 & 0xFFFF);
- r0.h = (AMBCTL0VAL >> 16);
- r0.l = (AMBCTL0VAL & 0xFFFF);
- [p2] = r0;
- ssync;
-
- p2.h = (EBIU_AMGCTL >> 16);
- p2.l = (EBIU_AMGCTL & 0xffff);
- r0 = AMGCTLVAL;
- w[p2] = r0;
- ssync;
-
- /*
- * Now, Initialize the SDRAM,
- * start with the SDRAM Refresh Rate Control Register
- */
- p0.l = lo(EBIU_SDRRC);
- p0.h = hi(EBIU_SDRRC);
- r0 = mem_SDRRC;
- w[p0] = r0.l;
- ssync;
-
- /*
- * SDRAM Memory Bank Control Register - bank specific parameters
- */
- p0.l = (EBIU_SDBCTL & 0xFFFF);
- p0.h = (EBIU_SDBCTL >> 16);
- r0 = mem_SDBCTL;
- w[p0] = r0.l;
- ssync;
-
- /*
- * SDRAM Global Control Register - global programmable parameters
- * Disable self-refresh
- */
- P2.H = hi(EBIU_SDGCTL);
- P2.L = lo(EBIU_SDGCTL);
- R0 = [P2];
- BITCLR (R0, 24);
-
- /*
- * Check if SDRAM is already powered up, if it is, enable self-refresh
- */
- p0.h = hi(EBIU_SDSTAT);
- p0.l = lo(EBIU_SDSTAT);
- r2.l = w[p0];
- cc = bittst(r2,3);
- if !cc jump skip;
- NOP;
- BITSET (R0, 23);
-skip:
- [P2] = R0;
- SSYNC;
-
- /* Write in the new value in the register */
- R0.L = lo(mem_SDGCTL);
- R0.H = hi(mem_SDGCTL);
- [P2] = R0;
- SSYNC;
- nop;
-
- (P5:0) = [SP++];
- (R7:0) = [SP++];
- RETS = [SP++];
- ASTAT = [SP++];
- RTS;
diff --git a/cpu/bf561/init_sdram_bootrom_initblock.S b/cpu/bf561/init_sdram_bootrom_initblock.S
deleted file mode 100644
index 9cc5e78..0000000
--- a/cpu/bf561/init_sdram_bootrom_initblock.S
+++ /dev/null
@@ -1,189 +0,0 @@
-#define ASSEMBLY
-
-#include <linux/config.h>
-#include <config.h>
-#include <asm/blackfin.h>
-#include <asm/mem_init.h>
-#include <asm/mach-common/bits/bootrom.h>
-#include <asm/mach-common/bits/ebiu.h>
-#include <asm/mach-common/bits/pll.h>
-#include <asm/mach-common/bits/uart.h>
-.global init_sdram;
-
-#if (CONFIG_CCLK_DIV == 1)
-#define CONFIG_CCLK_ACT_DIV CCLK_DIV1
-#endif
-#if (CONFIG_CCLK_DIV == 2)
-#define CONFIG_CCLK_ACT_DIV CCLK_DIV2
-#endif
-#if (CONFIG_CCLK_DIV == 4)
-#define CONFIG_CCLK_ACT_DIV CCLK_DIV4
-#endif
-#if (CONFIG_CCLK_DIV == 8)
-#define CONFIG_CCLK_ACT_DIV CCLK_DIV8
-#endif
-#ifndef CONFIG_CCLK_ACT_DIV
-#define CONFIG_CCLK_ACT_DIV CONFIG_CCLK_DIV_not_defined_properly
-#endif
-
-init_sdram:
- [--SP] = ASTAT;
- [--SP] = RETS;
- [--SP] = (R7:0);
- [--SP] = (P5:0);
-
-
- p0.h = hi(SICA_IWR0);
- p0.l = lo(SICA_IWR0);
- r0.l = 0x1;
- w[p0] = r0.l;
- SSYNC;
-
- p0.h = hi(SPI_BAUD);
- p0.l = lo(SPI_BAUD);
- r0.l = CONFIG_SPI_BAUD_INITBLOCK;
- w[p0] = r0.l;
- SSYNC;
-
- /*
- * PLL_LOCKCNT - how many SCLK Cycles to delay while PLL becomes stable
- */
- p0.h = hi(PLL_LOCKCNT);
- p0.l = lo(PLL_LOCKCNT);
- r0 = 0x300(Z);
- w[p0] = r0.l;
- ssync;
-
- /*
- * Put SDRAM in self-refresh, incase anything is running
- */
- P2.H = hi(EBIU_SDGCTL);
- P2.L = lo(EBIU_SDGCTL);
- R0 = [P2];
- BITSET (R0, 24);
- [P2] = R0;
- SSYNC;
-
- /*
- * Set PLL_CTL with the value that we calculate in R0
- * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors
- * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK
- * - [7] = output delay (add 200ps of delay to mem signals)
- * - [6] = input delay (add 200ps of input delay to mem signals)
- * - [5] = PDWN : 1=All Clocks off
- * - [3] = STOPCK : 1=Core Clock off
- * - [1] = PLL_OFF : 1=Disable Power to PLL
- * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL
- * all other bits set to zero
- */
-
- r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */
- r0 = r0 << 9; /* Shift it over, */
- r1 = CONFIG_CLKIN_HALF; /* Do we need to divide CLKIN by 2? */
- r0 = r1 | r0;
- r1 = CONFIG_PLL_BYPASS; /* Bypass the PLL? */
- r1 = r1 << 8; /* Shift it over */
- r0 = r1 | r0; /* add them all together */
-
- p0.h = hi(PLL_CTL);
- p0.l = lo(PLL_CTL); /* Load the address */
- cli r2; /* Disable interrupts */
- ssync;
- w[p0] = r0.l; /* Set the value */
- idle; /* Wait for the PLL to stablize */
- sti r2; /* Enable interrupts */
-
-check_again:
- p0.h = hi(PLL_STAT);
- p0.l = lo(PLL_STAT);
- R0 = W[P0](Z);
- CC = BITTST(R0,5);
- if ! CC jump check_again;
-
- /* Configure SCLK & CCLK Dividers */
- r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);
- p0.h = hi(PLL_DIV);
- p0.l = lo(PLL_DIV);
- w[p0] = r0.l;
- ssync;
-
- /*
- * We now are running at speed, time to set the Async mem bank wait states
- * This will speed up execution, since we are normally running from FLASH.
- */
-
- p2.h = (EBIU_AMBCTL1 >> 16);
- p2.l = (EBIU_AMBCTL1 & 0xFFFF);
- r0.h = (AMBCTL1VAL >> 16);
- r0.l = (AMBCTL1VAL & 0xFFFF);
- [p2] = r0;
- ssync;
-
- p2.h = (EBIU_AMBCTL0 >> 16);
- p2.l = (EBIU_AMBCTL0 & 0xFFFF);
- r0.h = (AMBCTL0VAL >> 16);
- r0.l = (AMBCTL0VAL & 0xFFFF);
- [p2] = r0;
- ssync;
-
- p2.h = (EBIU_AMGCTL >> 16);
- p2.l = (EBIU_AMGCTL & 0xffff);
- r0 = AMGCTLVAL;
- w[p2] = r0;
- ssync;
-
- /*
- * Now, Initialize the SDRAM,
- * start with the SDRAM Refresh Rate Control Register
- */
- p0.l = lo(EBIU_SDRRC);
- p0.h = hi(EBIU_SDRRC);
- r0 = mem_SDRRC;
- w[p0] = r0.l;
- ssync;
-
- /*
- * SDRAM Memory Bank Control Register - bank specific parameters
- */
- p0.l = (EBIU_SDBCTL & 0xFFFF);
- p0.h = (EBIU_SDBCTL >> 16);
- r0 = mem_SDBCTL;
- w[p0] = r0.l;
- ssync;
-
- /*
- * SDRAM Global Control Register - global programmable parameters
- * Disable self-refresh
- */
- P2.H = hi(EBIU_SDGCTL);
- P2.L = lo(EBIU_SDGCTL);
- R0 = [P2];
- BITCLR (R0, 24);
-
- /*
- * Check if SDRAM is already powered up, if it is, enable self-refresh
- */
- p0.h = hi(EBIU_SDSTAT);
- p0.l = lo(EBIU_SDSTAT);
- r2.l = w[p0];
- cc = bittst(r2,3);
- if !cc jump skip;
- NOP;
- BITSET (R0, 23);
-skip:
- [P2] = R0;
- SSYNC;
-
- /* Write in the new value in the register */
- R0.L = lo(mem_SDGCTL);
- R0.H = hi(mem_SDGCTL);
- [P2] = R0;
- SSYNC;
- nop;
-
-
- (P5:0) = [SP++];
- (R7:0) = [SP++];
- RETS = [SP++];
- ASTAT = [SP++];
- RTS;
diff --git a/cpu/bf561/interrupt.S b/cpu/bf561/interrupt.S
deleted file mode 100644
index a10eaab..0000000
--- a/cpu/bf561/interrupt.S
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * U-boot - interrupt.S Processing of interrupts and exception handling
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This file is based on interrupt.S
- *
- * Copyright (C) 2003 Metrowerks, Inc. <mwaddel@metrowerks.com>
- * Copyright (C) 2002 Arcturus Networks Ltd. Ted Ma <mated@sympatico.ca>
- * Copyright (C) 1998 D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,
- * Kenneth Albanowski <kjahds@kjahds.com>,
- * The Silver Hammer Group, Ltd.
- *
- * (c) 1995, Dionne & Associates
- * (c) 1995, DKG Display Tech.
- *
- * This file is also based on exception.asm
- * (C) Copyright 2001-2005 - Analog Devices, Inc. All rights reserved.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#define ASSEMBLY
-#include <config.h>
-#include <asm/blackfin.h>
-#include <asm/entry.h>
-
-.global _blackfin_irq_panic;
-
-.text
-.align 2
-
-#ifndef CONFIG_KGDB
-.global _evt_emulation
-_evt_emulation:
- SAVE_CONTEXT
- r0 = 0;
- r1 = seqstat;
- sp += -12;
- call _blackfin_irq_panic;
- sp += 12;
- rte;
-#endif
-
-.global _evt_nmi
-_evt_nmi:
- SAVE_CONTEXT
- r0 = 2;
- r1 = RETN;
- sp += -12;
- call _blackfin_irq_panic;
- sp += 12;
-
-_evt_nmi_exit:
- rtn;
-
-.global _trap
-_trap:
- SAVE_ALL_SYS
- r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
- sp += -12;
- call _trap_c
- sp += 12;
- RESTORE_ALL_SYS
- rtx;
-
-.global _evt_rst
-_evt_rst:
- SAVE_CONTEXT
- r0 = 1;
- r1 = RETN;
- sp += -12;
- call _do_reset;
- sp += 12;
-
-_evt_rst_exit:
- rtn;
-
-irq_panic:
- r0 = 3;
- r1 = sp;
- sp += -12;
- call _blackfin_irq_panic;
- sp += 12;
-
-.global _evt_ivhw
-_evt_ivhw:
- SAVE_CONTEXT
- RAISE 14;
-
-_evt_ivhw_exit:
- rti;
-
-.global _evt_timer
-_evt_timer:
- SAVE_CONTEXT
- r0 = 6;
- sp += -12;
- /* Polling method used now. */
- /* call timer_int; */
- sp += 12;
- RESTORE_CONTEXT
- rti;
- nop;
-
-.global _evt_evt7
-_evt_evt7:
- SAVE_CONTEXT
- r0 = 7;
- sp += -12;
- call _process_int;
- sp += 12;
-
-evt_evt7_exit:
- RESTORE_CONTEXT
- rti;
-
-.global _evt_evt8
-_evt_evt8:
- SAVE_CONTEXT
- r0 = 8;
- sp += -12;
- call _process_int;
- sp += 12;
-
-evt_evt8_exit:
- RESTORE_CONTEXT
- rti;
-
-.global _evt_evt9
-_evt_evt9:
- SAVE_CONTEXT
- r0 = 9;
- sp += -12;
- call _process_int;
- sp += 12;
-
-evt_evt9_exit:
- RESTORE_CONTEXT
- rti;
-
-.global _evt_evt10
-_evt_evt10:
- SAVE_CONTEXT
- r0 = 10;
- sp += -12;
- call _process_int;
- sp += 12;
-
-evt_evt10_exit:
- RESTORE_CONTEXT
- rti;
-
-.global _evt_evt11
-_evt_evt11:
- SAVE_CONTEXT
- r0 = 11;
- sp += -12;
- call _process_int;
- sp += 12;
-
-evt_evt11_exit:
- RESTORE_CONTEXT
- rti;
-
-.global _evt_evt12
-_evt_evt12:
- SAVE_CONTEXT
- r0 = 12;
- sp += -12;
- call _process_int;
- sp += 12;
-evt_evt12_exit:
- RESTORE_CONTEXT
- rti;
-
-.global _evt_evt13
-_evt_evt13:
- SAVE_CONTEXT
- r0 = 13;
- sp += -12;
- call _process_int;
- sp += 12;
-
-evt_evt13_exit:
- RESTORE_CONTEXT
- rti;
-
-.global _evt_system_call
-_evt_system_call:
- [--sp] = r0;
- [--SP] = RETI;
- r0 = [sp++];
- r0 += 2;
- [--sp] = r0;
- RETI = [SP++];
- r0 = [SP++];
- SAVE_CONTEXT
- sp += -12;
- call _exception_handle;
- sp += 12;
- RESTORE_CONTEXT
- RTI;
-
-evt_system_call_exit:
- rti;
-
-.global _evt_soft_int1
-_evt_soft_int1:
- [--sp] = r0;
- [--SP] = RETI;
- r0 = [sp++];
- r0 += 2;
- [--sp] = r0;
- RETI = [SP++];
- r0 = [SP++];
- SAVE_CONTEXT
- sp += -12;
- call _exception_handle;
- sp += 12;
- RESTORE_CONTEXT
- RTI;
-
-evt_soft_int1_exit:
- rti;
diff --git a/cpu/bf561/interrupts.c b/cpu/bf561/interrupts.c
deleted file mode 100644
index 7880061..0000000
--- a/cpu/bf561/interrupts.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * U-boot - interrupts.c Interrupt related routines
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * This file is based on interrupts.c
- * Copyright 1996 Roman Zippel
- * Copyright 1999 D. Jeff Dionne <jeff@uclinux.org>
- * Copyright 2000-2001 Lineo, Inc. D. Jefff Dionne <jeff@lineo.ca>
- * Copyright 2002 Arcturus Networks Inc. MaTed <mated@sympatico.ca>
- * Copyright 2003 Metrowerks/Motorola
- * Copyright 2003 Bas Vermeulen <bas@buyways.nl>,
- * BuyWays B.V. (www.buyways.nl)
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <common.h>
-#include <config.h>
-#include <asm/blackfin.h>
-#include "cpu.h"
-
-static ulong timestamp;
-static ulong last_time;
-static int int_flag;
-
-int irq_flags; /* needed by asm-blackfin/system.h */
-
-/* Functions just to satisfy the linker */
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On BF561 it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On BF561 it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- ulong tbclk;
-
- tbclk = CFG_HZ;
- return tbclk;
-}
-
-void enable_interrupts(void)
-{
-}
-
-int disable_interrupts(void)
-{
- return 1;
-}
-
-int interrupt_init(void)
-{
- return (0);
-}
-
-void udelay(unsigned long usec)
-{
- unsigned long delay, start, stop;
- unsigned long cclk;
- cclk = (CONFIG_CCLK_HZ);
-
- while (usec > 1) {
- /*
- * how many clock ticks to delay?
- * - request(in useconds) * clock_ticks(Hz) / useconds/second
- */
- if (usec < 1000) {
- delay = (usec * (cclk / 244)) >> 12;
- usec = 0;
- } else {
- delay = (1000 * (cclk / 244)) >> 12;
- usec -= 1000;
- }
-
- asm volatile (" %0 = CYCLES;":"=r" (start));
- do {
- asm volatile (" %0 = CYCLES; ":"=r" (stop));
- } while (stop - start < delay);
- }
-
- return;
-}
-
-void timer_init(void)
-{
- *pTCNTL = 0x1;
- *pTSCALE = 0x0;
- *pTCOUNT = MAX_TIM_LOAD;
- *pTPERIOD = MAX_TIM_LOAD;
- *pTCNTL = 0x7;
- asm("CSYNC;");
-
- timestamp = 0;
- last_time = 0;
-}
-
-/*
- * Any network command or flash
- * command is started get_timer shall
- * be called before TCOUNT gets reset,
- * to implement the accurate timeouts.
- *
- * How ever milliconds doesn't return
- * the number that has been elapsed from
- * the last reset.
- *
- * As get_timer is used in the u-boot
- * only for timeouts this should be
- * sufficient
- */
-ulong get_timer(ulong base)
-{
- ulong milisec;
-
- /* Number of clocks elapsed */
- ulong clocks = (MAX_TIM_LOAD - (*pTCOUNT));
-
- /*
- * Find if the TCOUNT is reset
- * timestamp gives the number of times
- * TCOUNT got reset
- */
- if (clocks < last_time)
- timestamp++;
- last_time = clocks;
-
- /* Get the number of milliseconds */
- milisec = clocks / (CONFIG_CCLK_HZ / 1000);
-
- /*
- * Find the number of millisonds
- * that got elapsed before this TCOUNT
- * cycle
- */
- milisec += timestamp * (MAX_TIM_LOAD / (CONFIG_CCLK_HZ / 1000));
-
- return (milisec - base);
-}
diff --git a/cpu/bf561/ints.c b/cpu/bf561/ints.c
deleted file mode 100644
index d6aa393..0000000
--- a/cpu/bf561/ints.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * U-boot - ints.c Interrupt related routines
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * This file is based on ints.c
- *
- * Apr18 2003, Changed by HuTao to support interrupt cascading for Blackfin
- * drivers
- *
- * Copyright 1996 Roman Zippel
- * Copyright 1999 D. Jeff Dionne <jeff@uclinux.org>
- * Copyright 2000-2001 Lineo, Inc. D. Jefff Dionne <jeff@lineo.ca>
- * Copyright 2002 Arcturus Networks Inc. MaTed <mated@sympatico.ca>
- * Copyright 2003 Metrowerks/Motorola
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <common.h>
-#include <linux/stddef.h>
-#include <asm/system.h>
-#include <asm/traps.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-#include <asm/blackfin.h>
-#include "cpu.h"
-
-void blackfin_irq_panic(int reason, struct pt_regs *regs)
-{
- printf("\n\nException: IRQ 0x%x entered\n", reason);
- printf("code=[0x%x], ", (unsigned int)(regs->seqstat & 0x3f));
- printf("stack frame=0x%x, ", (unsigned int)regs);
- printf("bad PC=0x%04x\n", (unsigned int)regs->pc);
- dump(regs);
- printf("Unhandled IRQ or exceptions!\n");
- printf("Please reset the board \n");
-}
-
-void blackfin_init_IRQ(void)
-{
- *(unsigned volatile long *)(SICA_IMASK0) = 0;
-#ifndef CONFIG_KGDB
- *(unsigned volatile long *)(EVT1) = 0x0;
-#endif
- *(unsigned volatile long *)(EVT2) =
- (unsigned volatile long)evt_nmi;
- *(unsigned volatile long *)(EVT3) =
- (unsigned volatile long)trap;
- *(unsigned volatile long *)(EVT5) =
- (unsigned volatile long)evt_ivhw;
- *(unsigned volatile long *)(EVT0) =
- (unsigned volatile long)evt_rst;
- *(unsigned volatile long *)(EVT6) =
- (unsigned volatile long)evt_timer;
- *(unsigned volatile long *)(EVT7) =
- (unsigned volatile long)evt_evt7;
- *(unsigned volatile long *)(EVT8) =
- (unsigned volatile long)evt_evt8;
- *(unsigned volatile long *)(EVT9) =
- (unsigned volatile long)evt_evt9;
- *(unsigned volatile long *)(EVT10) =
- (unsigned volatile long)evt_evt10;
- *(unsigned volatile long *)(EVT11) =
- (unsigned volatile long)evt_evt11;
- *(unsigned volatile long *)(EVT12) =
- (unsigned volatile long)evt_evt12;
- *(unsigned volatile long *)(EVT13) =
- (unsigned volatile long)evt_evt13;
- *(unsigned volatile long *)(EVT14) =
- (unsigned volatile long)evt_system_call;
- *(unsigned volatile long *)(EVT15) =
- (unsigned volatile long)evt_soft_int1;
- *(volatile unsigned long *)ILAT = 0;
- asm("csync;");
- *(volatile unsigned long *)IMASK = 0xffbf;
- asm("csync;");
-}
-
-void exception_handle(void)
-{
-#if defined (CONFIG_PANIC_HANG)
- display_excp();
-#else
- udelay(100000); /* allow messages to go out */
- do_reset(NULL, 0, 0, NULL);
-#endif
-}
-
-void display_excp(void)
-{
- printf("Exception!\n");
-}
diff --git a/cpu/bf561/serial.c b/cpu/bf561/serial.c
deleted file mode 100644
index a398fd5..0000000
--- a/cpu/bf561/serial.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * U-boot - serial.c Serial driver for BF561
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * This file is based on
- * bf533_serial.c: Serial driver for BlackFin BF533 DSP internal UART.
- * Copyright (c) 2003 Bas Vermeulen <bas@buyways.nl>,
- * BuyWays B.V. (www.buyways.nl)
- *
- * Based heavily on blkfinserial.c
- * blkfinserial.c: Serial driver for BlackFin DSP internal USRTs.
- * Copyright(c) 2003 Metrowerks <mwaddel@metrowerks.com>
- * Copyright(c) 2001 Tony Z. Kou <tonyko@arcturusnetworks.com>
- * Copyright(c) 2001-2002 Arcturus Networks Inc. <www.arcturusnetworks.com>
- *
- * Based on code from 68328 version serial driver imlpementation which was:
- * Copyright (C) 1995 David S. Miller <davem@caip.rutgers.edu>
- * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
- * Copyright (C) 1998, 1999 D. Jeff Dionne <jeff@uclinux.org>
- * Copyright (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <common.h>
-#include <asm/system.h>
-#include <asm/bitops.h>
-#include <asm/delay.h>
-#include "serial.h"
-#include <asm/io.h>
-#include <asm/mach-common/bits/uart.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-unsigned long pll_div_fact;
-
-void calc_baud(void)
-{
- unsigned char i;
- int temp;
- u_long sclk = get_sclk();
-
- for (i = 0; i < sizeof(baud_table) / sizeof(int); i++) {
- temp = sclk / (baud_table[i] * 8);
- if ((temp & 0x1) == 1) {
- temp++;
- }
- temp = temp / 2;
- hw_baud_table[i].dl_high = (temp >> 8) & 0xFF;
- hw_baud_table[i].dl_low = (temp) & 0xFF;
- }
-}
-
-void serial_setbrg(void)
-{
- int i;
-
- calc_baud();
-
- for (i = 0; i < sizeof(baud_table) / sizeof(int); i++) {
- if (gd->baudrate == baud_table[i])
- break;
- }
-
- /* Enable UART */
- *pUART_GCTL |= UCEN;
- SSYNC();
-
- /* Set DLAB in LCR to Access DLL and DLH */
- ACCESS_LATCH;
- SSYNC();
-
- *pUART_DLL = hw_baud_table[i].dl_low;
- SSYNC();
- *pUART_DLH = hw_baud_table[i].dl_high;
- SSYNC();
-
- /* Clear DLAB in LCR to Access THR RBR IER */
- ACCESS_PORT_IER;
- SSYNC();
-
- /*
- * Enable ERBFI and ELSI interrupts
- * to poll SIC_ISR register
- */
- *pUART_IER = ELSI | ERBFI | ETBEI;
- SSYNC();
-
- /* Set LCR to Word Lengh 8-bit word select */
- *pUART_LCR = WLS_8;
- SSYNC();
-
- return;
-}
-
-int serial_init(void)
-{
- serial_setbrg();
- return (0);
-}
-
-void serial_putc(const char c)
-{
- if ((*pUART_LSR) & TEMT) {
- if (c == '\n')
- serial_putc('\r');
-
- local_put_char(c);
- }
-
- while (!((*pUART_LSR) & TEMT))
- SYNC_ALL;
-
- return;
-}
-
-int serial_tstc(void)
-{
- if (*pUART_LSR & DR)
- return 1;
- else
- return 0;
-}
-
-int serial_getc(void)
-{
- unsigned short uart_lsr_val, uart_rbr_val;
- unsigned long isr_val;
- int ret;
-
- /* Poll for RX Interrupt */
- while (!serial_tstc())
- continue;
- asm("csync;");
-
- uart_lsr_val = *pUART_LSR; /* Clear status bit */
- uart_rbr_val = *pUART_RBR; /* getc() */
-
- if (uart_lsr_val & (OE|PE|FE|BI)) {
- ret = -1;
- } else {
- ret = uart_rbr_val & 0xff;
- }
-
- return ret;
-}
-
-void serial_puts(const char *s)
-{
- while (*s) {
- serial_putc(*s++);
- }
-}
-
-static void local_put_char(char ch)
-{
- int flags = 0;
- unsigned long isr_val;
-
- /* Poll for TX Interruput */
- while (!(*pUART_LSR & THRE))
- continue;
- asm("csync;");
-
- *pUART_THR = ch; /* putc() */
-
- return;
-}
diff --git a/cpu/bf561/serial.h b/cpu/bf561/serial.h
deleted file mode 100644
index 647560c..0000000
--- a/cpu/bf561/serial.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * U-boot - bf561_serial.h Serial Driver defines
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * This file is based on
- * bf533_serial.h: Definitions for the BlackFin BF533 DSP serial driver.
- * Copyright (C) 2003 Bas Vermeulen <bas@buyways.nl>
- * BuyWays B.V. (www.buyways.nl)
- *
- * Based heavily on:
- * blkfinserial.h: Definitions for the BlackFin DSP serial driver.
- *
- * Copyright (C) 2001 Tony Z. Kou tonyko@arcturusnetworks.com
- * Copyright (C) 2001 Arcturus Networks Inc. <www.arcturusnetworks.com>
- *
- * Based on code from 68328serial.c which was:
- * Copyright (C) 1995 David S. Miller <davem@caip.rutgers.edu>
- * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
- * Copyright (C) 1998, 1999 D. Jeff Dionne <jeff@uclinux.org>
- * Copyright (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#ifndef _Bf561_SERIAL_H
-#define _Bf561_SERIAL_H
-
-#include <linux/config.h>
-#include <asm/blackfin.h>
-
-#define SYNC_ALL __asm__ __volatile__ ("ssync;\n")
-#define ACCESS_LATCH *pUART_LCR |= DLAB;
-#define ACCESS_PORT_IER *pUART_LCR &= (~DLAB);
-
-void serial_setbrg(void);
-static void local_put_char(char ch);
-void calc_baud(void);
-void serial_setbrg(void);
-int serial_init(void);
-void serial_putc(const char c);
-int serial_tstc(void);
-int serial_getc(void);
-void serial_puts(const char *s);
-static void local_put_char(char ch);
-
-int baud_table[5] = { 9600, 19200, 38400, 57600, 115200 };
-
-struct {
- unsigned char dl_high;
- unsigned char dl_low;
-} hw_baud_table[5];
-
-#ifdef CONFIG_STAMP
-extern unsigned long pll_div_fact;
-#endif
-
-#endif
diff --git a/cpu/bf561/start.S b/cpu/bf561/start.S
deleted file mode 100644
index 6565de8..0000000
--- a/cpu/bf561/start.S
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * U-boot - start.S Startup file of u-boot for BF533/BF561
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * This file is based on head.S
- * Copyright (c) 2003 Metrowerks/Motorola
- * Copyright (C) 1998 D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,
- * Kenneth Albanowski <kjahds@kjahds.com>,
- * The Silver Hammer Group, Ltd.
- * (c) 1995, Dionne & Associates
- * (c) 1995, DKG Display Tech.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-/*
- * Note: A change in this file subsequently requires a change in
- * board/$(board_name)/config.mk for a valid u-boot.bin
- */
-
-#define ASSEMBLY
-
-#include <linux/config.h>
-#include <config.h>
-#include <asm/blackfin.h>
-
-#include <asm/mach-common/bits/core.h>
-#include <asm/mach-common/bits/dma.h>
-#include <asm/mach-common/bits/pll.h>
-
-.global _stext;
-.global __bss_start;
-.global start;
-.global _start;
-.global edata;
-.global _exit;
-.global init_sdram;
-
-.text
-_start:
-start:
-_stext:
-
- R0 = 0x32;
- SYSCFG = R0;
- SSYNC;
-
- /*
- * As per HW reference manual DAG registers,
- * DATA and Address resgister shall be zero'd
- * in initialization, after a reset state
- */
- r1 = 0; /* Data registers zero'd */
- r2 = 0;
- r3 = 0;
- r4 = 0;
- r5 = 0;
- r6 = 0;
- r7 = 0;
-
- p0 = 0; /* Address registers zero'd */
- p1 = 0;
- p2 = 0;
- p3 = 0;
- p4 = 0;
- p5 = 0;
-
- i0 = 0; /* DAG Registers zero'd */
- i1 = 0;
- i2 = 0;
- i3 = 0;
- m0 = 0;
- m1 = 0;
- m3 = 0;
- m3 = 0;
- l0 = 0;
- l1 = 0;
- l2 = 0;
- l3 = 0;
- b0 = 0;
- b1 = 0;
- b2 = 0;
- b3 = 0;
-
- /*
- * Set loop counters to zero, to make sure that
- * hw loops are disabled.
- */
- r0 = 0;
- lc0 = r0;
- lc1 = r0;
-
- SSYNC;
-
- /* Check soft reset status */
- p0.h = SWRST >> 16;
- p0.l = SWRST & 0xFFFF;
- r0.l = w[p0];
-
- cc = bittst(r0, 15);
- if !cc jump no_soft_reset;
-
- /* Clear Soft reset */
- r0 = 0x0000;
- w[p0] = r0;
- ssync;
-
-no_soft_reset:
- nop;
-
- /* Clear EVT registers */
- p0.h = (EVT0 >> 16);
- p0.l = (EVT0 & 0xFFFF);
- p0 += 8;
- p1 = 14;
- r1 = 0;
- LSETUP(4,4) lc0 = p1;
- [ p0 ++ ] = r1;
-
- p0.h = hi(SICA_IWR0);
- p0.l = lo(SICA_IWR0);
- r0.l = 0x1;
- w[p0] = r0.l;
- SSYNC;
-
- sp.l = (0xffb01000 & 0xFFFF);
- sp.h = (0xffb01000 >> 16);
-
- /*
- * Check if the code is in SDRAM
- * If the code is in SDRAM, skip SDRAM initializaiton
- */
- call get_pc;
- r3.l = 0x0;
- r3.h = 0x2000;
- cc = r0 < r3 (iu);
- if cc jump sdram_initialized;
- call init_sdram;
- /* relocate into to RAM */
-sdram_initialized:
- call get_pc;
-offset:
- r2.l = offset;
- r2.h = offset;
- r3.l = start;
- r3.h = start;
- r1 = r2 - r3;
-
- r0 = r0 - r1;
- p1 = r0;
-
- p2.l = (CFG_MONITOR_BASE & 0xffff);
- p2.h = (CFG_MONITOR_BASE >> 16);
-
- p3 = 0x04;
- p4.l = ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) & 0xffff);
- p4.h = ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) >> 16);
-loop1:
- r1 = [p1 ++ p3];
- [p2 ++ p3] = r1;
- cc=p2==p4;
- if !cc jump loop1;
- /*
- * configure STACK
- */
- r0.h = (CONFIG_STACKBASE >> 16);
- r0.l = (CONFIG_STACKBASE & 0xFFFF);
- sp = r0;
- fp = sp;
-
- /*
- * This next section keeps the processor in supervisor mode
- * during kernel boot. Switches to user mode at end of boot.
- * See page 3-9 of Hardware Reference manual for documentation.
- */
-
- /* To keep ourselves in the supervisor mode */
- p0.l = (EVT15 & 0xFFFF);
- p0.h = (EVT15 >> 16);
-
- p1.l = _real_start;
- p1.h = _real_start;
- [p0] = p1;
-
- p0.l = (IMASK & 0xFFFF);
- p0.h = (IMASK >> 16);
- r0.l = LO(EVT_IVG15);
- r0.h = HI(EVT_IVG15);
- [p0] = r0;
- raise 15;
- p0.l = WAIT_HERE;
- p0.h = WAIT_HERE;
- reti = p0;
- rti;
-
-WAIT_HERE:
- jump WAIT_HERE;
-
-.global _real_start;
-_real_start:
- [ -- sp ] = reti;
-
- /* DMA reset code to Hi of L1 SRAM */
-copy:
- P1.H = hi(SYSMMR_BASE); /* P1 Points to the beginning of SYSTEM MMR Space */
- P1.L = lo(SYSMMR_BASE);
-
- R0.H = reset_start; /* Source Address (high) */
- R0.L = reset_start; /* Source Address (low) */
- R1.H = reset_end;
- R1.L = reset_end;
- R2 = R1 - R0; /* Count */
- R1.H = hi(L1_INST_SRAM); /* Destination Address (high) */
- R1.L = lo(L1_INST_SRAM); /* Destination Address (low) */
- R3.L = DMAEN; /* Source DMAConfig Value (8-bit words) */
- R4.L = (DI_EN | WNR | DMAEN); /* Destination DMAConfig Value (8-bit words) */
-
-DMA:
- R6 = 0x1 (Z);
- W[P1+OFFSET_(IMDMA_S0_X_MODIFY)] = R6; /* Source Modify = 1 */
- W[P1+OFFSET_(IMDMA_D0_X_MODIFY)] = R6; /* Destination Modify = 1 */
-
- [P1+OFFSET_(IMDMA_S0_START_ADDR)] = R0; /* Set Source Base Address */
- W[P1+OFFSET_(IMDMA_S0_X_COUNT)] = R2; /* Set Source Count */
- /* Set Source DMAConfig = DMA Enable,
- Memory Read, 8-Bit Transfers, 1-D DMA, Flow - Stop */
- W[P1+OFFSET_(IMDMA_S0_CONFIG)] = R3;
-
- [P1+OFFSET_(IMDMA_D0_START_ADDR)] = R1; /* Set Destination Base Address */
- W[P1+OFFSET_(IMDMA_D0_X_COUNT)] = R2; /* Set Destination Count */
- /* Set Destination DMAConfig = DMA Enable,
- Memory Write, 8-Bit Transfers, 1-D DMA, Flow - Stop, IOC */
- W[P1+OFFSET_(IMDMA_D0_CONFIG)] = R4;
-
-WAIT_DMA_DONE:
- p0.h = hi(IMDMA_D0_IRQ_STATUS);
- p0.l = lo(IMDMA_D0_IRQ_STATUS);
- R0 = W[P0](Z);
- CC = BITTST(R0, 0);
- if ! CC jump WAIT_DMA_DONE
-
- R0 = 0x1;
- W[P1+OFFSET_(IMDMA_D0_IRQ_STATUS)] = R0; /* Write 1 to clear DMA interrupt */
-
- /* Initialize BSS Section with 0 s */
- p1.l = __bss_start;
- p1.h = __bss_start;
- p2.l = _end;
- p2.h = _end;
- r1 = p1;
- r2 = p2;
- r3 = r2 - r1;
- r3 = r3 >> 2;
- p3 = r3;
- lsetup (_clear_bss, _clear_bss_end ) lc1 = p3;
- CC = p2<=p1;
- if CC jump _clear_bss_skip;
- r0 = 0;
-_clear_bss:
-_clear_bss_end:
- [p1++] = r0;
-_clear_bss_skip:
-
- p0.l = _start1;
- p0.h = _start1;
- jump (p0);
-
-reset_start:
- p0.h = WDOG_CNT >> 16;
- p0.l = WDOG_CNT & 0xffff;
- r0 = 0x0010;
- w[p0] = r0;
- p0.h = WDOG_CTL >> 16;
- p0.l = WDOG_CTL & 0xffff;
- r0 = 0x0000;
- w[p0] = r0;
-reset_wait:
- jump reset_wait;
-
-reset_end: nop;
-
-_exit:
- jump.s _exit;
-get_pc:
- r0 = rets;
- rts;
diff --git a/cpu/bf561/start1.S b/cpu/bf561/start1.S
deleted file mode 100644
index 6d4731b..0000000
--- a/cpu/bf561/start1.S
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * U-boot - start1.S Code running out of RAM after relocation
- *
- * Copyright (c) 2005-2007 Analog Devices 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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#define ASSEMBLY
-#include <linux/config.h>
-#include <config.h>
-#include <asm/blackfin.h>
-
-.global start1;
-.global _start1;
-
-.text
-_start1:
-start1:
- sp += -12;
- call _board_init_f;
- sp += 12;
diff --git a/cpu/bf561/traps.c b/cpu/bf561/traps.c
deleted file mode 100644
index e35620c..0000000
--- a/cpu/bf561/traps.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * U-boot - traps.c Routines related to interrupts and exceptions
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * This file is based on
- * No original Copyright holder listed,
- * Probabily original (C) Roman Zippel (assigned DJD, 1999)
- *
- * Copyright 2003 Metrowerks - for Blackfin
- * Copyright 2000-2001 Lineo, Inc. D. Jeff Dionne <jeff@lineo.ca>
- * Copyright 1999-2000 D. Jeff Dionne, <jeff@uclinux.org>
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <asm/errno.h>
-#include <asm/system.h>
-#include <asm/traps.h>
-#include "cpu.h"
-#include <asm/cplb.h>
-#include <asm/io.h>
-#include <asm/mach-common/bits/core.h>
-#include <asm/mach-common/bits/mpu.h>
-
-void init_IRQ(void)
-{
- blackfin_init_IRQ();
- return;
-}
-
-void process_int(unsigned long vec, struct pt_regs *fp)
-{
- printf("interrupt\n");
- return;
-}
-
-extern unsigned int icplb_table[page_descriptor_table_size][2];
-extern unsigned int dcplb_table[page_descriptor_table_size][2];
-
-unsigned long last_cplb_fault_retx;
-
-static unsigned int cplb_sizes[4] =
- { 1024, 4 * 1024, 1024 * 1024, 4 * 1024 * 1024 };
-
-void trap_c(struct pt_regs *regs)
-{
- unsigned int addr;
- unsigned long trapnr = (regs->seqstat) & EXCAUSE;
- unsigned int i, j, size, *I0, *I1;
- unsigned short data = 0;
-
- switch (trapnr) {
- /* 0x26 - Data CPLB Miss */
- case VEC_CPLB_M:
-
-#if ANOMALY_05000261
- /*
- * Work around an anomaly: if we see a new DCPLB fault, return
- * without doing anything. Then, if we get the same fault again,
- * handle it.
- */
- addr = last_cplb_fault_retx;
- last_cplb_fault_retx = regs->retx;
- printf("this time, curr = 0x%08x last = 0x%08x\n", addr,
- last_cplb_fault_retx);
- if (addr != last_cplb_fault_retx)
- goto trap_c_return;
-#endif
- data = 1;
-
- case VEC_CPLB_I_M:
-
- if (data)
- addr = *pDCPLB_FAULT_ADDR;
- else
- addr = *pICPLB_FAULT_ADDR;
-
- for (i = 0; i < page_descriptor_table_size; i++) {
- if (data) {
- size = cplb_sizes[dcplb_table[i][1] >> 16];
- j = dcplb_table[i][0];
- } else {
- size = cplb_sizes[icplb_table[i][1] >> 16];
- j = icplb_table[i][0];
- }
- if ((j <= addr) && ((j + size) > addr)) {
- debug("found %i 0x%08x\n", i, j);
- break;
- }
- }
- if (i == page_descriptor_table_size) {
- printf("something is really wrong\n");
- do_reset(NULL, 0, 0, NULL);
- }
-
- /* Turn the cache off */
- if (data) {
- SSYNC();
- asm(" .align 8; ");
- *(unsigned int *)DMEM_CONTROL &=
- ~(ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
- SSYNC();
- } else {
- SSYNC();
- asm(" .align 8; ");
- *(unsigned int *)IMEM_CONTROL &= ~(IMC | ENICPLB);
- SSYNC();
- }
-
- if (data) {
- I0 = (unsigned int *)DCPLB_ADDR0;
- I1 = (unsigned int *)DCPLB_DATA0;
- } else {
- I0 = (unsigned int *)ICPLB_ADDR0;
- I1 = (unsigned int *)ICPLB_DATA0;
- }
-
- j = 0;
- while (*I1 & CPLB_LOCK) {
- debug("skipping %i %08p - %08x\n", j, I1, *I1);
- *I0++;
- *I1++;
- j++;
- }
-
- debug("remove %i 0x%08x 0x%08x\n", j, *I0, *I1);
-
- for (; j < 15; j++) {
- debug("replace %i 0x%08x 0x%08x\n", j, I0, I0 + 1);
- *I0++ = *(I0 + 1);
- *I1++ = *(I1 + 1);
- }
-
- if (data) {
- *I0 = dcplb_table[i][0];
- *I1 = dcplb_table[i][1];
- I0 = (unsigned int *)DCPLB_ADDR0;
- I1 = (unsigned int *)DCPLB_DATA0;
- } else {
- *I0 = icplb_table[i][0];
- *I1 = icplb_table[i][1];
- I0 = (unsigned int *)ICPLB_ADDR0;
- I1 = (unsigned int *)ICPLB_DATA0;
- }
-
- for (j = 0; j < 16; j++) {
- debug("%i 0x%08x 0x%08x\n", j, *I0++, *I1++);
- }
-
- /* Turn the cache back on */
- if (data) {
- j = *(unsigned int *)DMEM_CONTROL;
- SSYNC();
- asm(" .align 8; ");
- *(unsigned int *)DMEM_CONTROL =
- ACACHE_BCACHE | ENDCPLB | PORT_PREF0 | j;
- SSYNC();
- } else {
- SSYNC();
- asm(" .align 8; ");
- *(unsigned int *)IMEM_CONTROL = IMC | ENICPLB;
- SSYNC();
- }
-
- break;
- default:
- /* All traps come here */
- printf("code=[0x%x], ", (unsigned int)(regs->seqstat & 0x3f));
- printf("stack frame=0x%x, ", (unsigned int)regs);
- printf("bad PC=0x%04x\n", (unsigned int)regs->pc);
- dump(regs);
- printf("\n\n");
-
- printf("Unhandled IRQ or exceptions!\n");
- printf("Please reset the board \n");
- do_reset(NULL, 0, 0, NULL);
- }
-
-trap_c_return:
- return;
-
-}
-
-void dump(struct pt_regs *fp)
-{
- debug("RETE: %08lx RETN: %08lx RETX: %08lx RETS: %08lx\n", fp->rete,
- fp->retn, fp->retx, fp->rets);
- debug("IPEND: %04lx SYSCFG: %04lx\n", fp->ipend, fp->syscfg);
- debug("SEQSTAT: %08lx SP: %08lx\n", (long)fp->seqstat, (long)fp);
- debug("R0: %08lx R1: %08lx R2: %08lx R3: %08lx\n", fp->r0,
- fp->r1, fp->r2, fp->r3);
- debug("R4: %08lx R5: %08lx R6: %08lx R7: %08lx\n", fp->r4,
- fp->r5, fp->r6, fp->r7);
- debug("P0: %08lx P1: %08lx P2: %08lx P3: %08lx\n", fp->p0,
- fp->p1, fp->p2, fp->p3);
- debug("P4: %08lx P5: %08lx FP: %08lx\n", fp->p4, fp->p5, fp->fp);
- debug("A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n",
- fp->a0w, fp->a0x, fp->a1w, fp->a1x);
-
- debug("LB0: %08lx LT0: %08lx LC0: %08lx\n", fp->lb0, fp->lt0,
- fp->lc0);
- debug("LB1: %08lx LT1: %08lx LC1: %08lx\n", fp->lb1, fp->lt1,
- fp->lc1);
- debug("B0: %08lx L0: %08lx M0: %08lx I0: %08lx\n", fp->b0, fp->l0,
- fp->m0, fp->i0);
- debug("B1: %08lx L1: %08lx M1: %08lx I1: %08lx\n", fp->b1, fp->l1,
- fp->m1, fp->i1);
- debug("B2: %08lx L2: %08lx M2: %08lx I2: %08lx\n", fp->b2, fp->l2,
- fp->m2, fp->i2);
- debug("B3: %08lx L3: %08lx M3: %08lx I3: %08lx\n", fp->b3, fp->l3,
- fp->m3, fp->i3);
-
- debug("DCPLB_FAULT_ADDR=%p\n", *pDCPLB_FAULT_ADDR);
- debug("ICPLB_FAULT_ADDR=%p\n", *pICPLB_FAULT_ADDR);
-
-}
diff --git a/cpu/bf561/video.c b/cpu/bf561/video.c
deleted file mode 100644
index 3ff0151..0000000
--- a/cpu/bf561/video.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- * (C) Copyright 2000
- * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
- * (C) Copyright 2002
- * Wolfgang Denk, wd@denx.de
- * (C) Copyright 2006
- * Aubrey Li, aubrey.li@analog.com
- *
- * 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
- */
-
-#include <stdarg.h>
-#include <common.h>
-#include <config.h>
-#include <asm/blackfin.h>
-#include <i2c.h>
-#include <linux/types.h>
-#include <devices.h>
-
-#ifdef CONFIG_VIDEO
-#define NTSC_FRAME_ADDR 0x06000000
-#include "video.h"
-
-/* NTSC OUTPUT SIZE 720 * 240 */
-#define VERTICAL 2
-#define HORIZONTAL 4
-
-int is_vblank_line(const int line)
-{
- /*
- * This array contains a single bit for each line in
- * an NTSC frame.
- */
- if ((line <= 18) || (line >= 264 && line <= 281) || (line == 528))
- return true;
-
- return false;
-}
-
-int NTSC_framebuffer_init(char *base_address)
-{
- const int NTSC_frames = 1;
- const int NTSC_lines = 525;
- char *dest = base_address;
- int frame_num, line_num;
-
- for (frame_num = 0; frame_num < NTSC_frames; ++frame_num) {
- for (line_num = 1; line_num <= NTSC_lines; ++line_num) {
- unsigned int code;
- int offset = 0;
- int i;
-
- if (is_vblank_line(line_num))
- offset++;
-
- if (line_num > 266 || line_num < 3)
- offset += 2;
-
- /* Output EAV code */
- code = SystemCodeMap[offset].EAV;
- write_dest_byte((char)(code >> 24) & 0xff);
- write_dest_byte((char)(code >> 16) & 0xff);
- write_dest_byte((char)(code >> 8) & 0xff);
- write_dest_byte((char)(code) & 0xff);
-
- /* Output horizontal blanking */
- for (i = 0; i < 67 * 2; ++i) {
- write_dest_byte(0x80);
- write_dest_byte(0x10);
- }
-
- /* Output SAV */
- code = SystemCodeMap[offset].SAV;
- write_dest_byte((char)(code >> 24) & 0xff);
- write_dest_byte((char)(code >> 16) & 0xff);
- write_dest_byte((char)(code >> 8) & 0xff);
- write_dest_byte((char)(code) & 0xff);
-
- /* Output empty horizontal data */
- for (i = 0; i < 360 * 2; ++i) {
- write_dest_byte(0x80);
- write_dest_byte(0x10);
- }
- }
- }
-
- return dest - base_address;
-}
-
-void fill_frame(char *Frame, int Value)
-{
- int *OddPtr32;
- int OddLine;
- int *EvenPtr32;
- int EvenLine;
- int i;
- int *data;
- int m, n;
-
- /* fill odd and even frames */
- for (OddLine = 22, EvenLine = 285; OddLine < 263; OddLine++, EvenLine++) {
- OddPtr32 = (int *)((Frame + (OddLine * 1716)) + 276);
- EvenPtr32 = (int *)((Frame + (EvenLine * 1716)) + 276);
- for (i = 0; i < 360; i++, OddPtr32++, EvenPtr32++) {
- *OddPtr32 = Value;
- *EvenPtr32 = Value;
- }
- }
-
- for (m = 0; m < VERTICAL; m++) {
- data = (int *)u_boot_logo.data;
- for (OddLine = (22 + m), EvenLine = (285 + m);
- OddLine < (u_boot_logo.height * VERTICAL) + (22 + m);
- OddLine += VERTICAL, EvenLine += VERTICAL) {
- OddPtr32 = (int *)((Frame + ((OddLine) * 1716)) + 276);
- EvenPtr32 =
- (int *)((Frame + ((EvenLine) * 1716)) + 276);
- for (i = 0; i < u_boot_logo.width / 2; i++) {
- /* enlarge one pixel to m x n */
- for (n = 0; n < HORIZONTAL; n++) {
- *OddPtr32++ = *data;
- *EvenPtr32++ = *data;
- }
- data++;
- }
- }
- }
-}
-
-void video_putc(const char c)
-{
-}
-
-void video_puts(const char *s)
-{
-}
-
-static int video_init(void)
-{
- char *NTSCFrame;
- NTSCFrame = (char *)NTSC_FRAME_ADDR;
- NTSC_framebuffer_init(NTSCFrame);
- fill_frame(NTSCFrame, BLUE);
-
- *pPPI_CONTROL = 0x0082;
- *pPPI_FRAME = 0x020D;
-
- *pDMA0_START_ADDR = NTSCFrame;
- *pDMA0_X_COUNT = 0x035A;
- *pDMA0_X_MODIFY = 0x0002;
- *pDMA0_Y_COUNT = 0x020D;
- *pDMA0_Y_MODIFY = 0x0002;
- *pDMA0_CONFIG = 0x1015;
- *pPPI_CONTROL = 0x0083;
- return 0;
-}
-
-int drv_video_init(void)
-{
- int error, devices = 1;
-
- device_t videodev;
-
- video_init(); /* Video initialization */
-
- memset(&videodev, 0, sizeof(videodev));
-
- strcpy(videodev.name, "video");
- videodev.ext = DEV_EXT_VIDEO; /* Video extensions */
- videodev.flags = DEV_FLAGS_OUTPUT; /* Output only */
- videodev.putc = video_putc; /* 'putc' function */
- videodev.puts = video_puts; /* 'puts' function */
-
- error = device_register(&videodev);
-
- return (error == 0) ? devices : error;
-}
-#endif
diff --git a/cpu/bf561/video.h b/cpu/bf561/video.h
deleted file mode 100644
index d237f6a..0000000
--- a/cpu/bf561/video.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <video_logo.h>
-#define write_dest_byte(val) {*dest++=val;}
-#define BLACK (0x01800180) /* black pixel pattern */
-#define BLUE (0x296E29F0) /* blue pixel pattern */
-#define RED (0x51F0515A) /* red pixel pattern */
-#define MAGENTA (0x6ADE6ACA) /* magenta pixel pattern */
-#define GREEN (0x91229136) /* green pixel pattern */
-#define CYAN (0xAA10AAA6) /* cyan pixel pattern */
-#define YELLOW (0xD292D210) /* yellow pixel pattern */
-#define WHITE (0xFE80FE80) /* white pixel pattern */
-
-#define true 1
-#define false 0
-
-typedef struct {
- unsigned int SAV;
- unsigned int EAV;
-} SystemCodeType;
-
-const SystemCodeType SystemCodeMap[4] = {
- {0xFF000080, 0xFF00009D},
- {0xFF0000AB, 0xFF0000B6},
- {0xFF0000C7, 0xFF0000DA},
- {0xFF0000EC, 0xFF0000F1}
-};
generated by cgit v1.1 at 2024-11-09 06:24:58 +0000