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Diffstat (limited to 'arch/powerpc/cpu/mpc86xx/mp.c')
-rw-r--r--arch/powerpc/cpu/mpc86xx/mp.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/arch/powerpc/cpu/mpc86xx/mp.c b/arch/powerpc/cpu/mpc86xx/mp.c
deleted file mode 100644
index e6795e06c9..0000000000
--- a/arch/powerpc/cpu/mpc86xx/mp.c
+++ /dev/null
@@ -1,130 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2008-2010 Freescale Semiconductor, Inc.
- */
-
-#include <common.h>
-#include <cpu_func.h>
-#include <asm/global_data.h>
-#include <asm/processor.h>
-#include <asm/mmu.h>
-#include <ioports.h>
-#include <lmb.h>
-#include <asm/io.h>
-#include <asm/mp.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int cpu_reset(u32 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(u32 nr)
-{
- /* dummy function so common/cmd_mp.c will build */
- return 0;
-}
-
-int cpu_disable(u32 nr)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
- volatile ccsr_gur_t *gur = &immap->im_gur;
-
- switch (nr) {
- case 0:
- setbits_be32(&gur->devdisr, MPC86xx_DEVDISR_CPU0);
- break;
- case 1:
- setbits_be32(&gur->devdisr, MPC86xx_DEVDISR_CPU1);
- break;
- default:
- printf("Invalid cpu number for disable %d\n", nr);
- return 1;
- }
-
- return 0;
-}
-
-int is_core_disabled(int nr) {
- immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
- ccsr_gur_t *gur = &immap->im_gur;
- u32 devdisr = in_be32(&gur->devdisr);
-
- switch (nr) {
- case 0:
- return (devdisr & MPC86xx_DEVDISR_CPU0);
- case 1:
- return (devdisr & MPC86xx_DEVDISR_CPU1);
- default:
- printf("Invalid cpu number for disable %d\n", nr);
- }
-
- return 0;
-}
-
-int cpu_release(u32 nr, int argc, char *const argv[])
-{
- /* dummy function so common/cmd_mp.c will build
- * should be implemented in the future */
- return 1;
-}
-
-u32 determine_mp_bootpg(unsigned int *pagesize)
-{
- if (pagesize)
- *pagesize = 4096;
-
- /* if we have 4G or more of memory, put the boot page at 4Gb-1M */
- if ((u64)gd->ram_size > 0xfffff000)
- return (0xfff00000);
-
- return (gd->ram_size - (1024 * 1024));
-}
-
-void cpu_mp_lmb_reserve(struct lmb *lmb)
-{
- u32 bootpg = determine_mp_bootpg(NULL);
-
- /* tell u-boot we stole a page */
- lmb_reserve(lmb, bootpg, 4096);
-}
-
-/*
- * Copy the code for other cpus to execute into an
- * aligned location accessible via BPTR
- */
-void setup_mp(void)
-{
- extern ulong __secondary_start_page;
- ulong fixup = (ulong)&__secondary_start_page;
- u32 bootpg = determine_mp_bootpg(NULL);
- u32 bootpg_va;
-
- 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 |
- BATU_VS | BATU_VP,
- bootpg | BATL_PP_RW | BATL_MEMCOHERENCE);
- bootpg_va = CONFIG_SYS_SCRATCH_VA;
- } else {
- bootpg_va = bootpg;
- }
-
- memcpy((void *)bootpg_va, (void *)fixup, 4096);
- flush_cache(bootpg_va, 4096);
-
- /* remove the temporary BAT mapping */
- if (bootpg >= CONFIG_SYS_MAX_DDR_BAT_SIZE)
- write_bat(DBAT7, 0, 0);
-
- /* If the physical location of bootpg is not at fff00000, set BPTR */
- if (bootpg != 0xfff00000)
- out_be32((uint *)(CONFIG_SYS_CCSRBAR + 0x20), 0x80000000 |
- (bootpg >> 12));
-}