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soc/mediatek/mt8192: add spmfw loader

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This patch adds support for loading spm firmware from cbfs to spm sram.
Spm needs its own firmware to enable spm suspend/resume function which
turns off several resources such as DRAM/mainpll/26M clk when linux
system suspend.

BUG=b:159079649
TEST=suspend with command `powerd_dbus_suspend` and
     wake up the DUT by powerkey

Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Change-Id: I6478b98f426d2f3e0ee919d37d21d909ae8a6371
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46389
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
This commit is contained in:
Roger Lu 2020-07-10 15:29:31 +08:00 • committed by Hung-Te Lin
commit a5f472bf57
5 changed files with 1134 additions and 31 deletions
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4
src/mainboard/google/asurada/mainboard.c
View file

@ -6,6 +6,7 @@
#include <device/mmio.h>
#include <soc/gpio.h>
#include <soc/regulator.h>
#include <soc/spm.h>
#include <soc/usb.h>
#include "gpio.h"
@ -107,6 +108,9 @@ static void mainboard_init(struct device *dev)
setup_usb_host();
register_reset_to_bl31();
if (spm_init())
printk(BIOS_ERR, "spm init fail, system suspend may stuck\n");
}
static void mainboard_enable(struct device *dev)