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sunxi: Enable support for SCP firmware on H3

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Now that issues with the BROM have been sorted out, we can implement
PSCI system suspend on H3 by delegating to SCP firmware. Let's start by
including the firmware in the FIT image and starting the coprocessor if
valid firmware is loaded.

Signed-off-by: Samuel Holland <samuel@sholland.org>
This commit is contained in:
Samuel Holland 2021-04-17 13:33:54 -05:00
parent 8da5448c55
commit 922dbccace
3 changed files with 12 additions and 0 deletions
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1
arch/arm/dts/sunxi-u-boot.dtsi
View File

@ -9,6 +9,7 @@
#if defined(CONFIG_MACH_SUN8I_H3)
#ifdef CONFIG_ARMV7_PSCI
#define RESUME_ADDR SUNXI_RESUME_BASE
#define SCP_ADDR SUNXI_SCP_BASE
#endif
#elif defined(CONFIG_MACH_SUN50I) || defined(CONFIG_MACH_SUN50I_H5)
#define BL31_ADDR 0x00044000

8
board/sunxi/board.c
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@ -19,6 +19,7 @@
#include <init.h>
#include <log.h>
#include <mmc.h>
#include <remoteproc.h>
#include <axp_pmic.h>
#include <generic-phy.h>
#include <phy-sun4i-usb.h>
@ -869,6 +870,13 @@ int board_late_init(void)
usb_ether_init();
#endif
#ifdef CONFIG_REMOTEPROC_SUN6I_AR100
if (!rproc_load(0, SUNXI_SCP_BASE, SUNXI_SCP_MAX_SIZE)) {
puts("Starting SCP...\n");
rproc_start(0);
}
#endif
return 0;
}

3
include/configs/sun8i.h
View File

@ -12,6 +12,9 @@
CONFIG_ARMV7_SECURE_MAX_SIZE)
#define SUNXI_RESUME_SIZE 1024
#define SUNXI_SCP_BASE (SUNXI_RESUME_BASE + SUNXI_RESUME_SIZE)
#define SUNXI_SCP_MAX_SIZE (16 * 1024)
#include <configs/sunxi-common.h>
#endif /* __CONFIG_H */