diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/pamu_table.c')
-rw-r--r-- | arch/powerpc/cpu/mpc8xxx/pamu_table.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/pamu_table.c b/arch/powerpc/cpu/mpc8xxx/pamu_table.c new file mode 100644 index 0000000000..26c5ea4fd7 --- /dev/null +++ b/arch/powerpc/cpu/mpc8xxx/pamu_table.c @@ -0,0 +1,55 @@ +/* + * Copyright 2012-2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/fsl_pamu.h> + +DECLARE_GLOBAL_DATA_PTR; + +void construct_pamu_addr_table(struct pamu_addr_tbl *tbl, int *num_entries) +{ + int i = 0; + int j; + + tbl->start_addr[i] = + (uint64_t)virt_to_phys((void *)CONFIG_SYS_SDRAM_BASE); + tbl->size[i] = (phys_size_t)(min(gd->ram_size, CONFIG_MAX_MEM_MAPPED)); + tbl->end_addr[i] = tbl->start_addr[i] + tbl->size[i] - 1; + + i++; +#ifdef CONFIG_SYS_FLASH_BASE_PHYS + tbl->start_addr[i] = + (uint64_t)virt_to_phys((void *)CONFIG_SYS_FLASH_BASE_PHYS); + tbl->size[i] = 256 * 1024 * 1024; /* 256MB flash */ + tbl->end_addr[i] = tbl->start_addr[i] + tbl->size[i] - 1; + + i++; +#endif + debug("PAMU address\t\t\tsize\n"); + for (j = 0; j < i ; j++) + debug("%llx \t\t\t%llx\n", tbl->start_addr[j], tbl->size[j]); + + *num_entries = i; +} + +int sec_config_pamu_table(uint32_t liodn_ns, uint32_t liodn_s) +{ + struct pamu_addr_tbl tbl; + int num_entries = 0; + int ret = 0; + + construct_pamu_addr_table(&tbl, &num_entries); + + ret = config_pamu(&tbl, num_entries, liodn_ns); + if (ret) + return ret; + + ret = config_pamu(&tbl, num_entries, liodn_s); + if (ret) + return ret; + + return ret; +} |