blob: e78e2712d689d915e36d79256a8ab01404c67d53 [file] [log] [blame]
/*
* Copyright (c) 2008 Travis Geiselbrecht
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
.globl platform_early_init
platform_early_init:
stmdb sp!, {lr}
/* enable the NRST reset pin */
ldr r1, =0xfffffd08
ldr r0, =0xa5000401
str r0, [r1]
/* disable watchdog */
ldr r1, =0xfffffd44
ldr r0, =0x3fff8fff
str r0, [r1]
bl init_clock
bl init_48mhz_clock
/* copy the .data section from ROM to RAM */
ldr r0, =__rodata_end
ldr r1, =__data_start
ldr r2, =__bss_start
__data_loop:
cmp r1, r2
ldrlt r3, [r0], #4
strlt r3, [r1], #4
blt __data_loop
bl mux_init
bl ser_init
bl platform_init_interrupts
ldmia sp!, {lr}
bx lr