1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright 2019 NXP
4 */
5
6#include <config.h>
7
8#define ROM_API_TABLE_BASE_ADDR_LEGACY		0x180
9#define ROM_VERSION_OFFSET               	0x80
10#define ROM_API_HWCNFG_SETUP_OFFSET		0x08
11
12plugin_start:
13
14	push    {r0-r4, lr}
15
16	imx7ulp_ddr_setting
17	imx7ulp_clock_gating
18	imx7ulp_qos_setting
19
20normal_boot:
21
22/*
23 * The following is to fill in those arguments for this ROM function
24 * pu_irom_hwcnfg_setup(void **start, size_t *bytes, const void *boot_data)
25 * This function is used to copy data from the storage media into DDR.
26 * start - Initial (possibly partial) image load address on entry.
27 *         Final image load address on exit.
28 * bytes - Initial (possibly partial) image size on entry.
29 *         Final image size on exit.
30 * boot_data - Initial @ref ivt Boot Data load address.
31 */
32	adr r0, boot_data2
33	adr r1, image_len2
34	adr r2, boot_data2
35
36/*
37 * check the _pu_irom_api_table for the address
38 */
39before_calling_rom___pu_irom_hwcnfg_setup:
40	ldr r3, =ROM_VERSION_OFFSET
41	ldr r4, [r3]
42	ldr r3, =ROM_API_TABLE_BASE_ADDR_LEGACY
43	ldr r4, [r3, #ROM_API_HWCNFG_SETUP_OFFSET]
44	blx r4
45after_calling_rom___pu_irom_hwcnfg_setup:
46
47/*
48 * To return to ROM from plugin, we need to fill in these argument.
49 * Here is what need to do:
50 * Need to construct the parameters for this function before return to ROM:
51 * plugin_download(void **start, size_t *bytes, UINT32 *ivt_offset)
52 */
53	pop {r0-r4, lr}
54	push {r5}
55	ldr r5, boot_data2
56	str r5, [r0]
57	ldr r5, image_len2
58	str r5, [r1]
59	ldr r5, second_ivt_offset
60	str r5, [r2]
61	mov r0, #1
62	pop {r5}
63
64	/* return back to ROM code */
65	bx lr
66
67/* make the following data right in the end of the output*/
68.ltorg
69
70#define FLASH_OFFSET 0x400
71
72/*
73 * second_ivt_offset is the offset from the "second_ivt_header" to
74 * "image_copy_start", which involves FLASH_OFFSET, plus the first
75 * ivt_header, the plugin code size itself recorded by "ivt2_header"
76 */
77
78second_ivt_offset:      .long (ivt2_header + 0x2C + FLASH_OFFSET)
79
80/*
81 * The following is the second IVT header plus the second boot data
82 */
83ivt2_header:            .long 0x0
84app2_code_jump_v:       .long 0x0
85reserv3:                .long 0x0
86dcd2_ptr:               .long 0x0
87boot_data2_ptr:         .long 0x0
88self_ptr2:              .long 0x0
89app_code_csf2:          .long 0x0
90reserv4:                .long 0x0
91boot_data2:             .long 0x0
92image_len2:             .long 0x0
93plugin2:                .long 0x0
94