blob: 6f8f51ff9fe98cdbe09da8388b27945467d6b4e5 (
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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <assert.h>
#include <console/console.h>
#include <program_loading.h>
#include <soc/mmu.h>
#include <soc/cpucp.h>
#include <soc/clock.h>
#include <device/mmio.h>
#include <timer.h>
void cpucp_prepare(void)
{
/* allow NS access to EPSS memory */
setbits32(&epss_top->access_override, 0x1);
/* Enable subsystem clock. Required for CPUCP PDMEM access */
setbits32(&epss_fast->epss_muc_clk_ctrl, 0x1);
}
void cpucp_fw_load_reset(void)
{
struct prog cpucp_fw_prog =
PROG_INIT(PROG_PAYLOAD, CONFIG_CBFS_PREFIX "/cpucp");
if (!wait_ms(300, (read32(&epss_fast->epss_muc_clk_ctrl) & 0x1) == 0x1))
printk(BIOS_ERR, "%s: cannot get CPUCP PDMEM access.\n", __func__);
if (!selfload(&cpucp_fw_prog))
die("SOC image: CPUCP load failed");
printk(BIOS_DEBUG, "SOC:CPUCP image loaded successfully.\n");
}
|
