blob: d75d770a7efb53398f72f96fc722137f5b264e57 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
*
* Copyright (C) 2013 Michael Burkey
* Based on code by Sascha Hauer <s.hauer@pengutronix.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <debug_ll.h>
#include <common.h>
#include <linux/sizes.h>
#include <io.h>
#include <asm/barebox-arm-head.h>
#include <asm/barebox-arm.h>
#include <asm/sections.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <mach/imx6.h>
static inline void setup_uart(void)
{
void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
writel(0x03, iomuxbase + 0x0280);
writel(0x03, iomuxbase + 0x0284);
imx6_ungate_all_peripherals();
imx6_uart_setup_ll();
putc_ll('>');
}
extern char __dtb_imx6q_var_custom_start[];
ENTRY_FUNCTION(start_variscite_custom, r0, r1, r2)
{
void *fdt;
imx6_cpu_lowlevel_init();
arm_setup_stack(0x00920000);
if (IS_ENABLED(CONFIG_DEBUG_LL))
setup_uart();
fdt = __dtb_imx6q_var_custom_start + get_runtime_offset();
barebox_arm_entry(0x10000000, SZ_1G, fdt);
}
|
