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remove old avr32 support

This commit is contained in:
Sascha Hauer 2007-09-21 09:10:49 +02:00
parent a586aa0ce0
commit 23e7f1d2d6
5 changed files with 0 additions and 657 deletions
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47
lib_avr32/Makefile
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@ -1,47 +0,0 @@
#
# (C) Copyright 2002-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# (C) Copyright 2004-2006 Atmel Corporation
#
# 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 $(TOPDIR)/config.mk
LIB = $(obj)lib$(ARCH).a
SOBJS = memset.o
COBJS = board.o interrupts.o avr32_linux.o div64.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

315
lib_avr32/avr32_linux.c
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@ -1,315 +0,0 @@
/*
* Copyright (C) 2004-2006 Atmel Corporation
*
* 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 <common.h>
#include <command.h>
#include <image.h>
#include <zlib.h>
#include <asm/byteorder.h>
#include <asm/addrspace.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/arch/platform.h>
DECLARE_GLOBAL_DATA_PTR;
extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
/* CPU-specific hook to allow flushing of caches, etc. */
extern void prepare_to_boot(void);
#ifdef CONFIG_SHOW_BOOT_PROGRESS
# include <status_led.h>
# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
#else
# define SHOW_BOOT_PROGRESS(arg)
#endif
extern image_header_t header; /* from cmd_bootm.c */
static struct tag *setup_start_tag(struct tag *params)
{
params->hdr.tag = ATAG_CORE;
params->hdr.size = tag_size(tag_core);
params->u.core.flags = 0;
params->u.core.pagesize = 4096;
params->u.core.rootdev = 0;
return tag_next(params);
}
static struct tag *setup_memory_tags(struct tag *params)
{
bd_t *bd = gd->bd;
int i;
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
params->hdr.tag = ATAG_MEM;
params->hdr.size = tag_size(tag_mem_range);
params->u.mem_range.addr = bd->bi_dram[i].start;
params->u.mem_range.size = bd->bi_dram[i].size;
params = tag_next(params);
}
return params;
}
static struct tag *setup_commandline_tag(struct tag *params, char *cmdline)
{
if (!cmdline)
return params;
/* eat leading white space */
while (*cmdline == ' ') cmdline++;
/*
* Don't include tags for empty command lines; let the kernel
* use its default command line.
*/
if (*cmdline == '\0')
return params;
params->hdr.tag = ATAG_CMDLINE;
params->hdr.size =
(sizeof (struct tag_header) + strlen(cmdline) + 1 + 3) >> 2;
strcpy(params->u.cmdline.cmdline, cmdline);
return tag_next(params);
}
static struct tag *setup_ramdisk_tag(struct tag *params,
unsigned long rd_start,
unsigned long rd_end)
{
if (rd_start == rd_end)
return params;
params->hdr.tag = ATAG_RDIMG;
params->hdr.size = tag_size(tag_mem_range);
params->u.mem_range.addr = rd_start;
params->u.mem_range.size = rd_end - rd_start;
return tag_next(params);
}
static struct tag *setup_clock_tags(struct tag *params)
{
params->hdr.tag = ATAG_CLOCK;
params->hdr.size = tag_size(tag_clock);
params->u.clock.clock_id = ACLOCK_BOOTCPU;
params->u.clock.clock_flags = 0;
params->u.clock.clock_hz = gd->cpu_hz;
#ifdef CONFIG_AT32AP7000
/*
* New kernels don't need this, but we should be backwards
* compatible for a while...
*/
params = tag_next(params);
params->hdr.tag = ATAG_CLOCK;
params->hdr.size = tag_size(tag_clock);
params->u.clock.clock_id = ACLOCK_HSB;
params->u.clock.clock_flags = 0;
params->u.clock.clock_hz = pm_get_clock_freq(CLOCK_HSB);
#endif
return tag_next(params);
}
static struct tag *setup_ethernet_tag(struct tag *params,
char *addr, int index)
{
char *s, *e;
int i;
params->hdr.tag = ATAG_ETHERNET;
params->hdr.size = tag_size(tag_ethernet);
params->u.ethernet.mac_index = index;
params->u.ethernet.mii_phy_addr = gd->bd->bi_phy_id[index];
s = addr;
for (i = 0; i < 6; i++) {
params->u.ethernet.hw_address[i] = simple_strtoul(s, &e, 16);
s = e + 1;
}
return tag_next(params);
}
static struct tag *setup_ethernet_tags(struct tag *params)
{
char name[16] = "ethaddr";
char *addr;
int i = 0;
do {
addr = getenv(name);
if (addr)
params = setup_ethernet_tag(params, addr, i);
sprintf(name, "eth%daddr", ++i);
} while (i < 4);
return params;
}
static void setup_end_tag(struct tag *params)
{
params->hdr.tag = ATAG_NONE;
params->hdr.size = 0;
}
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
unsigned long addr, unsigned long *len_ptr, int verify)
{
unsigned long data, len = 0;
unsigned long initrd_start, initrd_end;
unsigned long image_start, image_end;
unsigned long checksum;
void (*theKernel)(int magic, void *tagtable);
image_header_t *hdr;
struct tag *params, *params_start;
char *commandline = getenv("bootargs");
hdr = (image_header_t *)addr;
image_start = addr;
image_end = addr + hdr->ih_size;
theKernel = (void *)ntohl(hdr->ih_ep);
/*
* Check if there is an initrd image
*/
if (argc >= 3) {
SHOW_BOOT_PROGRESS(9);
addr = simple_strtoul(argv[2], NULL, 16);
printf("## Loading RAMDISK image at %08lx ...\n", addr);
memcpy(&header, (char *)addr, sizeof(header));
hdr = &header;
if (ntohl(hdr->ih_magic) != IH_MAGIC) {
puts("Bad Magic Number\n");
SHOW_BOOT_PROGRESS(-10);
do_reset(cmdtp, flag, argc, argv);
}
data = (unsigned long)hdr;
len = sizeof(*hdr);
checksum = ntohl(hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32(0, (unsigned char *)data, len) != checksum) {
puts("Bad Header Checksum\n");
SHOW_BOOT_PROGRESS(-11);
do_reset(cmdtp, flag, argc, argv);
}
SHOW_BOOT_PROGRESS(10);
print_image_hdr(hdr);
data = addr + sizeof(header);
len = ntohl(hdr->ih_size);
if (verify) {
unsigned long csum = 0;
puts(" Verifying Checksum ... ");
csum = crc32(0, (unsigned char *)data, len);
if (csum != ntohl(hdr->ih_dcrc)) {
puts("Bad Data CRC\n");
SHOW_BOOT_PROGRESS(-12);
do_reset(cmdtp, flag, argc, argv);
}
puts("OK\n");
}
SHOW_BOOT_PROGRESS(11);
if ((hdr->ih_os != IH_OS_LINUX) ||
(hdr->ih_arch != IH_CPU_AVR32) ||
(hdr->ih_type != IH_TYPE_RAMDISK)) {
puts("Not a Linux/AVR32 RAMDISK image\n");
SHOW_BOOT_PROGRESS(-13);
do_reset(cmdtp, flag, argc, argv);
}
} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
ulong tail = ntohl (len_ptr[0]) % 4;
int i;
SHOW_BOOT_PROGRESS (13);
/* skip kernel length and terminator */
data = (ulong) (&len_ptr[2]);
/* skip any additional image length fields */
for (i = 1; len_ptr[i]; ++i)
data += 4;
/* add kernel length, and align */
data += ntohl (len_ptr[0]);
if (tail) {
data += 4 - tail;
}
len = ntohl (len_ptr[1]);
} else {
/* no initrd image */
SHOW_BOOT_PROGRESS(14);
len = data = 0;
}
if (data) {
initrd_start = data;
initrd_end = initrd_start + len;
} else {
initrd_start = 0;
initrd_end = 0;
}
SHOW_BOOT_PROGRESS(15);
params = params_start = (struct tag *)gd->bd->bi_boot_params;
params = setup_start_tag(params);
params = setup_memory_tags(params);
if (initrd_start) {
params = setup_ramdisk_tag(params,
PHYSADDR(initrd_start),
PHYSADDR(initrd_end));
}
params = setup_commandline_tag(params, commandline);
params = setup_clock_tags(params);
params = setup_ethernet_tags(params);
setup_end_tag(params);
printf("\nStarting kernel at %p (params at %p)...\n\n",
theKernel, params_start);
prepare_to_boot();
theKernel(ATAG_MAGIC, params_start);
}

175
lib_avr32/board.c
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@ -1,175 +0,0 @@
/*
* Copyright (C) 2004-2006 Atmel Corporation
*
* 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 <common.h>
#include <command.h>
#include <malloc.h>
#include <devices.h>
#include <version.h>
#include <net.h>
#include <asm/initcalls.h>
#include <asm/sections.h>
#ifndef CONFIG_IDENT_STRING
#define CONFIG_IDENT_STRING ""
#endif
DECLARE_GLOBAL_DATA_PTR;
const char version_string[] =
U_BOOT_VERSION " (" __DATE__ " - " __TIME__ ") " CONFIG_IDENT_STRING;
unsigned long monitor_flash_len;
/*
* Begin and end of memory area for malloc(), and current "brk"
*/
static unsigned long mem_malloc_start = 0;
static unsigned long mem_malloc_end = 0;
static unsigned long mem_malloc_brk = 0;
/* The malloc area is wherever the board wants it to be */
static void mem_malloc_init(void)
{
mem_malloc_start = CFG_MALLOC_START;
mem_malloc_end = CFG_MALLOC_END;
mem_malloc_brk = mem_malloc_start;
printf("malloc: Using memory from 0x%08lx to 0x%08lx\n",
mem_malloc_start, mem_malloc_end);
memset ((void *)mem_malloc_start, 0,
mem_malloc_end - mem_malloc_start);
}
void *sbrk(ptrdiff_t increment)
{
unsigned long old = mem_malloc_brk;
unsigned long new = old + increment;
if ((new < mem_malloc_start) || (new > mem_malloc_end))
return NULL;
mem_malloc_brk = new;
return ((void *)old);
}
static int init_baudrate(void)
{
char tmp[64];
int i;
i = getenv_r("baudrate", tmp, sizeof(tmp));
if (i > 0) {
gd->baudrate = simple_strtoul(tmp, NULL, 10);
} else {
gd->baudrate = CONFIG_BAUDRATE;
}
return 0;
}
static int display_banner (void)
{
printf ("\n\n%s\n\n", version_string);
printf ("U-Boot code: %p -> %p data: %p -> %p\n",
_text, _etext, _data, _end);
return 0;
}
void hang(void)
{
for (;;) ;
}
static int display_dram_config (void)
{
int i;
puts ("DRAM Configuration:\n");
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
print_size (gd->bd->bi_dram[i].size, "\n");
}
return 0;
}
static void display_flash_config (void)
{
puts ("Flash: ");
print_size(gd->bd->bi_flashsize, " ");
printf("at address 0x%08lx\n", gd->bd->bi_flashstart);
}
void start_u_boot (void)
{
gd_t gd_data;
/* Initialize the global data pointer */
memset(&gd_data, 0, sizeof(gd_data));
gd = &gd_data;
monitor_flash_len = _edata - _text;
/* Perform initialization sequence */
cpu_init();
timer_init();
env_init();
init_baudrate();
serial_init();
console_init_f();
display_banner();
board_init_memories();
mem_malloc_init();
gd->bd = malloc(sizeof(bd_t));
memset(gd->bd, 0, sizeof(bd_t));
gd->bd->bi_baudrate = gd->baudrate;
gd->bd->bi_dram[0].start = CFG_SDRAM_BASE;
gd->bd->bi_dram[0].size = gd->sdram_size;
board_init_info();
flash_init();
if (gd->bd->bi_flashsize)
display_flash_config();
if (gd->bd->bi_dram[0].size)
display_dram_config();
gd->bd->bi_boot_params = malloc(CFG_BOOTPARAMS_LEN);
if (!gd->bd->bi_boot_params)
puts("WARNING: Cannot allocate space for boot parameters\n");
/* initialize environment */
env_relocate();
devices_init();
jumptable_init();
console_init_r();
for (;;) {
main_loop();
}
}

39
lib_avr32/interrupts.c
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/*
* Copyright (C) 2006 Atmel Corporation
*
* 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 <common.h>
#include <asm/sysreg.h>
void enable_interrupts(void)
{
asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET));
}
int disable_interrupts(void)
{
unsigned long sr;
sr = sysreg_read(SR);
asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET));
return SYSREG_BFEXT(GM, sr);
}

81
lib_avr32/memset.S
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@ -1,81 +0,0 @@
/*
* Copyright (C) 2004-2006 Atmel Corporation
*
* 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
*/
/*
* r12: void *b
* r11: int c
* r10: size_t len
*
* Returns b in r12
*/
.text
.global memset
.type memset, @function
.align 2
memset:
mov r9, r12
mov r8, r12
or r11, r11, r11 << 8
andl r9, 3, COH
brne 1f
2: or r11, r11, r11 << 16
sub r10, 4
brlt 5f
/* Let's do some real work */
4: st.w r8++, r11
sub r10, 4
brge 4b
/*
* When we get here, we've got less than 4 bytes to set. r10
* might be negative.
*/
5: sub r10, -4
reteq r12
/* Fastpath ends here, exactly 32 bytes from memset */
/* Handle unaligned count or pointer */
bld r10, 1
brcc 6f
st.b r8++, r11
st.b r8++, r11
bld r10, 0
retcc r12
6: st.b r8++, r11
mov pc, lr
/* Handle unaligned pointer */
1: sub r10, 4
brlt 5b
add r10, r9
lsl r9, 1
add pc, r9
st.b r8++, r11
st.b r8++, r11
st.b r8++, r11
rjmp 2b
.size memset, . - memset