diff options
Diffstat (limited to 'cpu/mpc86xx/mp.c')
| -rw-r--r-- | cpu/mpc86xx/mp.c | 51 | 
1 files changed, 33 insertions, 18 deletions
| diff --git a/cpu/mpc86xx/mp.c b/cpu/mpc86xx/mp.c index 5014401dd..2940673c7 100644 --- a/cpu/mpc86xx/mp.c +++ b/cpu/mpc86xx/mp.c @@ -4,20 +4,45 @@  #include <ioports.h>  #include <lmb.h>  #include <asm/io.h> -#include "mp.h" +#include <asm/mp.h>  DECLARE_GLOBAL_DATA_PTR; -#if (CONFIG_NUM_CPUS > 1) -void cpu_mp_lmb_reserve(struct lmb *lmb) +int cpu_reset(int nr) +{ +	/* dummy function so common/cmd_mp.c will build +	 * should be implemented in the future, when cpu_release() +	 * is supported.  Be aware there may be a similiar bug +	 * as exists on MPC85xx w/its PIC having a timing window +	 * associated to resetting the core */ +	return 1; +} + +int cpu_status(int nr)  { -	u32 bootpg; +	/* dummy function so common/cmd_mp.c will build */ +	return 0; +} + +int cpu_release(int nr, int argc, char *argv[]) +{ +	/* dummy function so common/cmd_mp.c will build +	 * should be implemented in the future */ +	return 1; +} +u32 determine_mp_bootpg(void) +{  	/* if we have 4G or more of memory, put the boot page at 4Gb-1M */  	if ((u64)gd->ram_size > 0xfffff000) -		bootpg = 0xfff00000; -	else -		bootpg = gd->ram_size - (1024 * 1024); +		return (0xfff00000); + +	return (gd->ram_size - (1024 * 1024)); +} + +void cpu_mp_lmb_reserve(struct lmb *lmb) +{ +	u32 bootpg = determine_mp_bootpg();  	/* tell u-boot we stole a page */  	lmb_reserve(lmb, bootpg, 4096); @@ -31,18 +56,9 @@ void setup_mp(void)  {  	extern ulong __secondary_start_page;  	ulong fixup = (ulong)&__secondary_start_page; -	u32 bootpg; +	u32 bootpg = determine_mp_bootpg();  	u32 bootpg_va; -	/* -	 * If we have 4G or more of memory, put the boot page at 4Gb-1M. -	 * Otherwise, put it at the very end of RAM. -	 */ -	if (gd->ram_size > 0xfffff000) -		bootpg = 0xfff00000; -	else -		bootpg = gd->ram_size - (1024 * 1024); -  	if (bootpg >= CONFIG_SYS_MAX_DDR_BAT_SIZE) {  		/* We're not covered by the DDR mapping, set up BAT  */  		write_bat(DBAT7, CONFIG_SYS_SCRATCH_VA | BATU_BL_128K | @@ -65,4 +81,3 @@ void setup_mp(void)  		out_be32((uint *)(CONFIG_SYS_CCSRBAR + 0x20), 0x80000000 |  			 (bootpg >> 12));  } -#endif |