diff options
Diffstat (limited to 'cpu/mpc85xx/cpu_init_early.c')
-rw-r--r-- | cpu/mpc85xx/cpu_init_early.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/cpu/mpc85xx/cpu_init_early.c b/cpu/mpc85xx/cpu_init_early.c deleted file mode 100644 index 32aa94b..0000000 --- a/cpu/mpc85xx/cpu_init_early.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright 2009 Freescale Semiconductor, Inc - * - * 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/processor.h> -#include <asm/mmu.h> -#include <asm/fsl_law.h> - -DECLARE_GLOBAL_DATA_PTR; - -#if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR_PHYS) -#ifdef CONFIG_FSL_CORENET -static void setup_ccsrbar(void) -{ - u32 temp; - volatile u32 *ccsr_virt = (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000); - volatile ccsr_local_t *ccm; - - /* - * We can't call set_law() because we haven't moved - * CCSR yet. - */ - ccm = (void *)ccsr_virt; - - out_be32(&ccm->law[0].lawbarh, - (u64)CONFIG_SYS_CCSRBAR_PHYS >> 32); - out_be32(&ccm->law[0].lawbarl, (u32)CONFIG_SYS_CCSRBAR_PHYS); - out_be32(&ccm->law[0].lawar, - LAW_EN | (0x1e << 20) | LAW_SIZE_4K); - - in_be32((u32 *)(ccsr_virt + 0)); - in_be32((u32 *)(ccsr_virt + 1)); - isync(); - - ccm = (void *)CONFIG_SYS_CCSRBAR; - /* Now use the temporary LAW to move CCSR */ - out_be32(&ccm->ccsrbarh, (u64)CONFIG_SYS_CCSRBAR_PHYS >> 32); - out_be32(&ccm->ccsrbarl, (u32)CONFIG_SYS_CCSRBAR_PHYS); - out_be32(&ccm->ccsrar, CCSRAR_C); - temp = in_be32(&ccm->ccsrar); - disable_law(0); -} -#else -static void setup_ccsrbar(void) -{ - u32 temp; - volatile u32 *ccsr_virt = (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000); - - temp = in_be32(ccsr_virt); - out_be32(ccsr_virt, CONFIG_SYS_CCSRBAR_PHYS >> 12); - temp = in_be32((volatile u32 *)CONFIG_SYS_CCSRBAR); -} -#endif -#endif - -/* We run cpu_init_early_f in AS = 1 */ -void cpu_init_early_f(void) -{ - u32 mas0, mas1, mas2, mas3, mas7; - int i; - - /* Pointer is writable since we allocated a register for it */ - gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); - - /* - * Clear initial global data - * we don't use memset so we can share this code with NAND_SPL - */ - for (i = 0; i < sizeof(gd_t); i++) - ((char *)gd)[i] = 0; - - mas0 = MAS0_TLBSEL(0) | MAS0_ESEL(0); - mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_4K); - mas2 = FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR, MAS2_I|MAS2_G); - mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS, 0, MAS3_SW|MAS3_SR); - mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_PHYS); - - write_tlb(mas0, mas1, mas2, mas3, mas7); - - /* set up CCSR if we want it moved */ -#if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR_PHYS) - mas0 = MAS0_TLBSEL(0) | MAS0_ESEL(1); - /* mas1 is the same as above */ - mas2 = FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR + 0x1000, MAS2_I|MAS2_G); - mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_DEFAULT, 0, MAS3_SW|MAS3_SR); - mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_DEFAULT); - - write_tlb(mas0, mas1, mas2, mas3, mas7); - - setup_ccsrbar(); -#endif - - init_laws(); - invalidate_tlb(0); - init_tlbs(); -} |