1 /*
2  * Copyright 2016 NXP Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 #include <common.h>
7 #include <config.h>
8 #include <errno.h>
9 #include <asm/system.h>
10 #include <asm/types.h>
11 #include <asm/arch/soc.h>
12 #ifdef CONFIG_FSL_LSCH3
13 #include <asm/arch/immap_lsch3.h>
14 #elif defined(CONFIG_FSL_LSCH2)
15 #include <asm/arch/immap_lsch2.h>
16 #endif
17 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
18 #include <asm/armv8/sec_firmware.h>
19 #endif
20 
21 int ppa_init(void)
22 {
23 	const void *ppa_fit_addr;
24 	u32 *boot_loc_ptr_l, *boot_loc_ptr_h;
25 	int ret;
26 
27 #ifdef CONFIG_SYS_LS_PPA_FW_IN_XIP
28 	ppa_fit_addr = (void *)CONFIG_SYS_LS_PPA_FW_ADDR;
29 #else
30 #error "No CONFIG_SYS_LS_PPA_FW_IN_xxx defined"
31 #endif
32 
33 #ifdef CONFIG_FSL_LSCH3
34 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
35 	boot_loc_ptr_l = &gur->bootlocptrl;
36 	boot_loc_ptr_h = &gur->bootlocptrh;
37 #elif defined(CONFIG_FSL_LSCH2)
38 	struct ccsr_scfg __iomem *scfg = (void *)(CONFIG_SYS_FSL_SCFG_ADDR);
39 	boot_loc_ptr_l = &scfg->scratchrw[1];
40 	boot_loc_ptr_h = &scfg->scratchrw[0];
41 #endif
42 
43 	debug("fsl-ppa: boot_loc_ptr_l = 0x%p, boot_loc_ptr_h =0x%p\n",
44 	      boot_loc_ptr_l, boot_loc_ptr_h);
45 	ret = sec_firmware_init(ppa_fit_addr, boot_loc_ptr_l, boot_loc_ptr_h);
46 
47 	return ret;
48 }
49