blob: f79f975080f1223a5c34c37f61cabd0404cc0d93 (
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
|
// SPDX-License-Identifier: GPL-2.0-only
#include <common.h>
#include <linux/sizes.h>
#include <asm/barebox-arm-head.h>
#include <asm/barebox-arm.h>
#include <mach/hardware.h>
#include <mach/atf.h>
#include <debug_ll.h>
#include <mach/rockchip.h>
extern char __dtb_rk3568_bpi_r2_pro_start[];
static noinline void rk3568_start(void)
{
void *fdt;
/*
* set iodomain vccio6 to 1.8V needed for GMAC1 to work.
* vccio4 (gmac0/switch) needs to stay at 3v3 (default)
*/
//set bit 6 in PMU_GRF_IO_VSEL0 for vccio6 1v8
writel(RK_SETBITS(BIT(6)), PMU_GRF_IO_VSEL0);
//clear bit 6 for 3v3 as it was set to 1v8
writel(RK_CLRBITS(BIT(6)), PMU_GRF_IO_VSEL1);
fdt = __dtb_rk3568_bpi_r2_pro_start;
if (current_el() == 3) {
rk3568_lowlevel_init();
rk3568_atf_load_bl31(fdt);
/* not reached */
}
barebox_arm_entry(RK3568_DRAM_BOTTOM, 0x80000000 - RK3568_DRAM_BOTTOM, fdt);
}
ENTRY_FUNCTION(start_rk3568_bpi_r2pro, r0, r1, r2)
{
/*
* Image execution starts at 0x0, but this is used for ATF and
* OP-TEE later, so move away from here.
*/
if (current_el() == 3)
relocate_to_adr_full(RK3568_BAREBOX_LOAD_ADDRESS);
else
relocate_to_current_adr();
setup_c();
rk3568_start();
}
|
