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lib: utils: Initialize miscellaneous drivers in one pass

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For driver subsystems that are not tightly integrated into the OpenSBI
init sequence, it is not important that the drivers are initialized in
any particular order. By putting all of these drivers in one array, they
can all be initialized with a single pass through the devicetree. This
saves about 10 ms of boot time on HiFive Unmatched.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2025-01-19 11:03:57 -08:00
committed by Anup Patel
parent e84ba96634
commit 434add551c
32 changed files with 39 additions and 254 deletions
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21
lib/utils/reset/objects.mk
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@@ -7,28 +7,25 @@
# Anup Patel <anup.patel@wdc.com>
#
libsbiutils-objs-$(CONFIG_FDT_RESET) += reset/fdt_reset.o
libsbiutils-objs-$(CONFIG_FDT_RESET) += reset/fdt_reset_drivers.carray.o
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_ATCWDT200) += fdt_reset_atcwdt200
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_ATCWDT200) += fdt_reset_atcwdt200
libsbiutils-objs-$(CONFIG_FDT_RESET_ATCWDT200) += reset/fdt_reset_atcwdt200.o
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_GPIO) += fdt_poweroff_gpio
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_GPIO) += fdt_reset_gpio
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_GPIO) += fdt_poweroff_gpio
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_GPIO) += fdt_reset_gpio
libsbiutils-objs-$(CONFIG_FDT_RESET_GPIO) += reset/fdt_reset_gpio.o
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_HTIF) += fdt_reset_htif
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_HTIF) += fdt_reset_htif
libsbiutils-objs-$(CONFIG_FDT_RESET_HTIF) += reset/fdt_reset_htif.o
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_SG2042_HWMON_MCU) += fdt_reset_sg2042_mcu
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_SG2042_HWMON_MCU) += fdt_reset_sg2042_mcu
libsbiutils-objs-$(CONFIG_FDT_RESET_SG2042_HWMON_MCU) += reset/fdt_reset_sg2042_hwmon_mcu.o
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_SUNXI_WDT) += fdt_reset_sunxi_wdt
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_SUNXI_WDT) += fdt_reset_sunxi_wdt
libsbiutils-objs-$(CONFIG_FDT_RESET_SUNXI_WDT) += reset/fdt_reset_sunxi_wdt.o
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_SYSCON) += fdt_syscon_poweroff
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_SYSCON) += fdt_syscon_reboot
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_SYSCON) += fdt_syscon_poweroff
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_SYSCON) += fdt_syscon_reboot
libsbiutils-objs-$(CONFIG_FDT_RESET_SYSCON) += reset/fdt_reset_syscon.o
carray-fdt_reset_drivers-$(CONFIG_FDT_RESET_RPMI) += fdt_reset_rpmi
carray-fdt_early_drivers-$(CONFIG_FDT_RESET_RPMI) += fdt_reset_rpmi
libsbiutils-objs-$(CONFIG_FDT_RESET_RPMI) += reset/fdt_reset_rpmi.o