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lib: utils: Add simple FDT based system suspend driver framework

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The generic platform can have multiple system suspend drivers so add a
simple FDT based system suspend driver framework.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
Anup Patel
2024-08-06 10:27:42 +05:30
committed by Anup Patel
parent 6a26726e08
commit 3676324b0e
8 changed files with 77 additions and 0 deletions
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1
platform/generic/configs/defconfig
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@@ -44,6 +44,7 @@ CONFIG_FDT_SERIAL_LITEX=y
CONFIG_FDT_SERIAL_UART8250=y
CONFIG_FDT_SERIAL_XILINX_UARTLITE=y
CONFIG_SERIAL_SEMIHOSTING=y
CONFIG_FDT_SUSPEND=y
CONFIG_FDT_TIMER=y
CONFIG_FDT_TIMER_MTIMER=y
CONFIG_FDT_TIMER_PLMT=y

2
platform/generic/platform.c
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@@ -24,6 +24,7 @@
#include <sbi_utils/irqchip/fdt_irqchip.h>
#include <sbi_utils/irqchip/imsic.h>
#include <sbi_utils/serial/fdt_serial.h>
#include <sbi_utils/suspend/fdt_suspend.h>
#include <sbi_utils/timer/fdt_timer.h>
#include <sbi_utils/ipi/fdt_ipi.h>
#include <sbi_utils/reset/fdt_reset.h>
@@ -247,6 +248,7 @@ static int generic_early_init(bool cold_boot)
if (cold_boot) {
fdt_reset_init(fdt);
fdt_suspend_init(fdt);
if (semihosting_enabled())
rc = semihosting_init();