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Commit | Line | Data |
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4b0730d2 SG |
1 | /* |
2 | * Copyright (c) 2011 The Chromium OS Authors. | |
1a459660 | 3 | * SPDX-License-Identifier: GPL-2.0+ |
4b0730d2 SG |
4 | */ |
5 | ||
6 | #include <common.h> | |
7a9219c1 | 7 | #include <os.h> |
5c2859cd | 8 | #include <asm/state.h> |
4b0730d2 SG |
9 | |
10 | DECLARE_GLOBAL_DATA_PTR; | |
11 | ||
88bd0e9d | 12 | void reset_cpu(ulong ignored) |
4b0730d2 | 13 | { |
5c2859cd SG |
14 | if (state_uninit()) |
15 | os_exit(2); | |
16 | ||
7a9219c1 SG |
17 | /* This is considered normal termination for now */ |
18 | os_exit(0); | |
88bd0e9d SG |
19 | } |
20 | ||
21 | int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
22 | { | |
23 | reset_cpu(0); | |
24 | ||
4b0730d2 SG |
25 | return 0; |
26 | } | |
27 | ||
28 | /* delay x useconds */ | |
29 | void __udelay(unsigned long usec) | |
30 | { | |
d99a6874 | 31 | os_usleep(usec); |
4b0730d2 SG |
32 | } |
33 | ||
e2ee100f | 34 | unsigned long __attribute__((no_instrument_function)) timer_get_us(void) |
4b0730d2 | 35 | { |
d99a6874 | 36 | return os_get_nsec() / 1000; |
4b0730d2 SG |
37 | } |
38 | ||
39 | int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) | |
40 | { | |
88bd0e9d SG |
41 | if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) { |
42 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
43 | printf("## Transferring control to Linux (at address %08lx)...\n", | |
44 | images->ep); | |
45 | reset_cpu(0); | |
46 | } | |
47 | ||
48 | return 0; | |
4b0730d2 SG |
49 | } |
50 | ||
51 | int cleanup_before_linux(void) | |
52 | { | |
53 | return 0; | |
54 | } | |
55 | ||
56 | void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) | |
57 | { | |
8ee666a7 | 58 | return (void *)(gd->arch.ram_buf + paddr); |
4b0730d2 SG |
59 | } |
60 | ||
66bd1cff | 61 | phys_addr_t map_to_sysmem(const void *ptr) |
781adb57 SG |
62 | { |
63 | return (u8 *)ptr - gd->arch.ram_buf; | |
64 | } | |
65 | ||
4b0730d2 SG |
66 | void flush_dcache_range(unsigned long start, unsigned long stop) |
67 | { | |
68 | } |