diff options
Diffstat (limited to 'cpu/mpc85xx')
| -rw-r--r-- | cpu/mpc85xx/Makefile | 1 | ||||
| -rw-r--r-- | cpu/mpc85xx/cpu_init.c | 51 | ||||
| -rw-r--r-- | cpu/mpc85xx/cpu_init_early.c | 76 |
3 files changed, 77 insertions, 51 deletions
diff --git a/cpu/mpc85xx/Makefile b/cpu/mpc85xx/Makefile index a177f42..3ef00e8 100644 --- a/cpu/mpc85xx/Makefile +++ b/cpu/mpc85xx/Makefile @@ -65,6 +65,7 @@ COBJS-$(CONFIG_CPM2) += serial_scc.o COBJS = $(COBJS-y) COBJS += cpu.o COBJS += cpu_init.o +COBJS += cpu_init_early.o COBJS += interrupts.o COBJS += speed.o COBJS += tlb.o diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index 07856c2..48a82ed 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -129,57 +129,6 @@ void config_8560_ioports (volatile ccsr_cpm_t * cpm) } #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) - { - u32 temp; - volatile u32 *ccsr_virt = - (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000); - - mas0 = MAS0_TLBSEL(0) | MAS0_ESEL(1); - /* mas1 is the same as above */ - mas2 = FSL_BOOKE_MAS2((u32)ccsr_virt, 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); - - temp = in_be32(ccsr_virt); - out_be32(ccsr_virt, CONFIG_SYS_CCSRBAR_PHYS >> 12); - temp = in_be32((volatile u32 *)CONFIG_SYS_CCSRBAR); - } -#endif - - init_laws(); - invalidate_tlb(0); - init_tlbs(); -} - /* * Breathe some life into the CPU... * diff --git a/cpu/mpc85xx/cpu_init_early.c b/cpu/mpc85xx/cpu_init_early.c new file mode 100644 index 0000000..7886f86 --- /dev/null +++ b/cpu/mpc85xx/cpu_init_early.c @@ -0,0 +1,76 @@ +/* + * 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; + +/* 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) + { + u32 temp; + volatile u32 *ccsr_virt = + (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000); + + mas0 = MAS0_TLBSEL(0) | MAS0_ESEL(1); + /* mas1 is the same as above */ + mas2 = FSL_BOOKE_MAS2((u32)ccsr_virt, 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); + + temp = in_be32(ccsr_virt); + out_be32(ccsr_virt, CONFIG_SYS_CCSRBAR_PHYS >> 12); + temp = in_be32((volatile u32 *)CONFIG_SYS_CCSRBAR); + } +#endif + + init_laws(); + invalidate_tlb(0); + init_tlbs(); +} |