mirror of
https://github.com/AsahiLinux/u-boot
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f1dd4cadd2
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>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* Copyright 2016 NXP Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <config.h>
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#include <errno.h>
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#include <asm/system.h>
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#include <asm/types.h>
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#include <asm/arch/soc.h>
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#ifdef CONFIG_FSL_LSCH3
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#include <asm/arch/immap_lsch3.h>
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#elif defined(CONFIG_FSL_LSCH2)
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#include <asm/arch/immap_lsch2.h>
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#endif
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#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
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#include <asm/armv8/sec_firmware.h>
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#endif
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int ppa_init(void)
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{
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const void *ppa_fit_addr;
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u32 *boot_loc_ptr_l, *boot_loc_ptr_h;
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int ret;
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#ifdef CONFIG_SYS_LS_PPA_FW_IN_NOR
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ppa_fit_addr = (void *)CONFIG_SYS_LS_PPA_FW_ADDR;
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#else
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#error "No CONFIG_SYS_LS_PPA_FW_IN_xxx defined"
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#endif
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#ifdef CONFIG_FSL_LSCH3
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struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
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boot_loc_ptr_l = &gur->bootlocptrl;
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boot_loc_ptr_h = &gur->bootlocptrh;
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#elif defined(CONFIG_FSL_LSCH2)
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struct ccsr_scfg __iomem *scfg = (void *)(CONFIG_SYS_FSL_SCFG_ADDR);
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boot_loc_ptr_l = &scfg->scratchrw[1];
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boot_loc_ptr_h = &scfg->scratchrw[0];
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#endif
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debug("fsl-ppa: boot_loc_ptr_l = 0x%p, boot_loc_ptr_h =0x%p\n",
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boot_loc_ptr_l, boot_loc_ptr_h);
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ret = sec_firmware_init(ppa_fit_addr, boot_loc_ptr_l, boot_loc_ptr_h);
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return ret;
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}
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