void cpu_init_f(ulong bootflag, ulong loaded_from_ldr)
{
#ifndef CONFIG_BFIN_BOOTROM_USES_EVT1
/* Build a NOP slide over the LDR jump block. Whee! */
char nops[0xC];
serial_early_puts("NOP Slide\n");
memset(nops, 0x00, sizeof(nops));
memcpy((void *)L1_INST_SRAM, nops, sizeof(nops));
#endif
if (!loaded_from_ldr) {
/* Relocate sections into L1 if the LDR didn't do it -- don't
* check length because the linker script does the size
* checking at build time.
*/
serial_early_puts("L1 Relocate\n");
extern char _stext_l1[], _text_l1_lma[], _text_l1_len[];
memcpy(&_stext_l1, &_text_l1_lma, (unsigned long)_text_l1_len);
extern char _sdata_l1[], _data_l1_lma[], _data_l1_len[];
memcpy(&_sdata_l1, &_data_l1_lma, (unsigned long)_data_l1_len);
}
/*
* Make sure our async settings are committed. Some bootroms
* (like the BF537) will reset some registers on us after it
* has finished loading the LDR. Or if we're booting over
* JTAG, the initcode never got a chance to run. Or if we
* aren't booting from parallel flash, the initcode skipped
* this step completely.
*/
program_async_controller(NULL);
/* Save RETX so we can pass it while booting Linux */
bfin_poweron_retx = bootflag;
#ifdef CONFIG_DEBUG_DUMP
/* Turn on hardware trace buffer */
bfin_write_TBUFCTL(TBUFPWR | TBUFEN);
#endif
#ifndef CONFIG_PANIC_HANG
/* Reset upon a double exception rather than just hanging.
* Do not do bfin_read on SWRST as that will reset status bits.
*/
# ifdef SWRST
bfin_write_SWRST(DOUBLE_FAULT);
# endif
#endif
#if defined(CONFIG_CORE1_RUN) && defined(COREB_L1_CODE_START)
bfin_core1_start();
#endif
serial_early_puts("Board init flash\n");
board_init_f(bootflag);
}
void cpu_init_f(ulong bootflag, ulong loaded_from_ldr)
{
#ifndef CONFIG_BFIN_BOOTROM_USES_EVT1
/* Build a NOP slide over the LDR jump block. Whee! */
char nops[0xC];
serial_early_puts("NOP Slide\n");
memset(nops, 0x00, sizeof(nops));
memcpy((void *)L1_INST_SRAM, nops, sizeof(nops));
#endif
if (!loaded_from_ldr) {
/* Relocate sections into L1 if the LDR didn't do it -- don't
* check length because the linker script does the size
* checking at build time.
*/
serial_early_puts("L1 Relocate\n");
extern char _stext_l1[], _text_l1_lma[], _text_l1_len[];
memcpy(&_stext_l1, &_text_l1_lma, (unsigned long)_text_l1_len);
extern char _sdata_l1[], _data_l1_lma[], _data_l1_len[];
memcpy(&_sdata_l1, &_data_l1_lma, (unsigned long)_data_l1_len);
}
#if defined(__ADSPBF537__) || defined(__ADSPBF536__) || defined(__ADSPBF534__)
/* The BF537 bootrom will reset the EBIU_AMGCTL register on us
* after it has finished loading the LDR. So configure it again.
*/
else
bfin_write_EBIU_AMGCTL(CONFIG_EBIU_AMGCTL_VAL);
#endif
/* Save RETX so we can pass it while booting Linux */
bfin_poweron_retx = bootflag;
#ifdef CONFIG_DEBUG_DUMP
/* Turn on hardware trace buffer */
bfin_write_TBUFCTL(TBUFPWR | TBUFEN);
#endif
#ifndef CONFIG_PANIC_HANG
/* Reset upon a double exception rather than just hanging.
* Do not do bfin_read on SWRST as that will reset status bits.
*/
bfin_write_SWRST(DOUBLE_FAULT);
#endif
serial_early_puts("Board init flash\n");
board_init_f(bootflag);
}
void cpu_init_f(ulong bootflag, ulong loaded_from_ldr)
{
if (!loaded_from_ldr) {
/* Relocate sections into L1 if the LDR didn't do it -- don't
* check length because the linker script does the size
* checking at build time.
*/
extern char _stext_l1;
serial_early_puts("L1 Relocate\n");
extern char _stext_l1, _etext_l1, _stext_l1_lma;
memcpy(&_stext_l1, &_stext_l1_lma, (&_etext_l1 - &_stext_l1));
extern char _sdata_l1, _edata_l1, _sdata_l1_lma;
memcpy(&_sdata_l1, &_sdata_l1_lma, (&_edata_l1 - &_sdata_l1));
}
#if defined(__ADSPBF537__) || defined(__ADSPBF536__) || defined(__ADSPBF534__)
/* The BF537 bootrom will reset the EBIU_AMGCTL register on us
* after it has finished loading the LDR. So configure it again.
*/
else
bfin_write_EBIU_AMGCTL(CONFIG_EBIU_AMGCTL_VAL);
#endif
/* Save RETX so we can pass it while booting Linux */
bfin_poweron_retx = bootflag;
#ifdef CONFIG_DEBUG_DUMP
/* Turn on hardware trace buffer */
bfin_write_TBUFCTL(TBUFPWR | TBUFEN);
#endif
#ifndef CONFIG_PANIC_HANG
/* Reset upon a double exception rather than just hanging.
* Do not do bfin_read on SWRST as that will reset status bits.
*/
bfin_write_SWRST(DOUBLE_FAULT);
#endif
serial_early_puts("Board init flash\n");
board_init_f(bootflag);
}
