diff options
author | Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2016-06-28 20:18:14 +0800 |
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committer | York Sun <york.sun@nxp.com> | 2016-07-19 11:33:53 -0700 |
commit | f1dd4cadd20c3b6b2454b7f293265caa66f27fee (patch) | |
tree | 0eb577d5511458ad11aac6d28f990301a6484000 /arch/arm/cpu/armv8/fsl-layerscape/ppa.c | |
parent | b45db3b59035735a0479d8df260d2349cdc3c21c (diff) |
ARMv8/layerscape: Add FSL PPA support
The FSL Primary Protected Application (PPA) is a software component
loaded during boot which runs in TrustZone and remains resident
after boot.
Use the secure firmware framework to integrate FSL PPA into U-Boot.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/ppa.c')
-rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/ppa.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/ppa.c b/arch/arm/cpu/armv8/fsl-layerscape/ppa.c new file mode 100644 index 0000000000..541b251bf4 --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/ppa.c @@ -0,0 +1,48 @@ +/* + * Copyright 2016 NXP Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <config.h> +#include <errno.h> +#include <asm/system.h> +#include <asm/types.h> +#include <asm/arch/soc.h> +#ifdef CONFIG_FSL_LSCH3 +#include <asm/arch/immap_lsch3.h> +#elif defined(CONFIG_FSL_LSCH2) +#include <asm/arch/immap_lsch2.h> +#endif +#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT +#include <asm/armv8/sec_firmware.h> +#endif + +int ppa_init(void) +{ + const void *ppa_fit_addr; + u32 *boot_loc_ptr_l, *boot_loc_ptr_h; + int ret; + +#ifdef CONFIG_SYS_LS_PPA_FW_IN_NOR + ppa_fit_addr = (void *)CONFIG_SYS_LS_PPA_FW_ADDR; +#else +#error "No CONFIG_SYS_LS_PPA_FW_IN_xxx defined" +#endif + +#ifdef CONFIG_FSL_LSCH3 + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + boot_loc_ptr_l = &gur->bootlocptrl; + boot_loc_ptr_h = &gur->bootlocptrh; +#elif defined(CONFIG_FSL_LSCH2) + struct ccsr_scfg __iomem *scfg = (void *)(CONFIG_SYS_FSL_SCFG_ADDR); + boot_loc_ptr_l = &scfg->scratchrw[1]; + boot_loc_ptr_h = &scfg->scratchrw[0]; +#endif + + debug("fsl-ppa: boot_loc_ptr_l = 0x%p, boot_loc_ptr_h =0x%p\n", + boot_loc_ptr_l, boot_loc_ptr_h); + ret = sec_firmware_init(ppa_fit_addr, boot_loc_ptr_l, boot_loc_ptr_h); + + return ret; +} |