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3d54eabc PT |
1 | /* |
2 | * Copyright 2017 Theobroma Systems Design und Consulting GmbH | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | /* | |
8 | * Execution starts on the instruction following this 4-byte header | |
9 | * (containing the magic 'RK33'). | |
10 | * | |
11 | * To make life easier for everyone, we build the SPL binary with | |
12 | * space for this 4-byte header already included in the binary. | |
13 | */ | |
14 | ||
15 | #ifdef CONFIG_SPL_BUILD | |
700f3108 PT |
16 | /* |
17 | * We need to add 4 bytes of space for the 'RK33' at the | |
18 | * beginning of the executable. However, as we want to keep | |
19 | * this generic and make it applicable to builds that are like | |
20 | * the RK3368 (TPL needs this, SPL doesn't) or the RK3399 (no | |
21 | * TPL, but extra space needed in the SPL), we simply repeat | |
22 | * the 'b reset' with the expectation that the first one will | |
23 | * be overwritten, if this is the first stage contained in the | |
24 | * final image created with mkimage)... | |
25 | */ | |
26 | b reset /* may be overwritten --- should be 'nop' or a 'b reset' */ | |
3d54eabc PT |
27 | #endif |
28 | b reset | |
fa1392a2 KY |
29 | |
30 | #if defined(CONFIG_ROCKCHIP_RK3399) && defined(CONFIG_SPL_BUILD) | |
31 | .space CONFIG_ROCKCHIP_SPL_RESERVE_IRAM /* space for the ATF data */ | |
32 | #endif |