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lib: utils: Add simple FDT based CPPC driver framework

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

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
Anup Patel
2024-08-07 10:47:18 +05:30
committed by Anup Patel
parent 33ee9b8240
commit 54e632b72e
8 changed files with 77 additions and 0 deletions
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1
platform/generic/configs/defconfig
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@@ -6,6 +6,7 @@ CONFIG_PLATFORM_SIFIVE_FU740=y
CONFIG_PLATFORM_SOPHGO_SG2042=y
CONFIG_PLATFORM_STARFIVE_JH7110=y
CONFIG_PLATFORM_THEAD=y
CONFIG_FDT_CPPC=y
CONFIG_FDT_GPIO=y
CONFIG_FDT_GPIO_DESIGNWARE=y
CONFIG_FDT_GPIO_SIFIVE=y

2
platform/generic/platform.c
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@@ -17,6 +17,7 @@
#include <sbi/sbi_string.h>
#include <sbi/sbi_system.h>
#include <sbi/sbi_tlb.h>
#include <sbi_utils/cppc/fdt_cppc.h>
#include <sbi_utils/fdt/fdt_domain.h>
#include <sbi_utils/fdt/fdt_fixup.h>
#include <sbi_utils/fdt/fdt_helper.h>
@@ -251,6 +252,7 @@ static int generic_early_init(bool cold_boot)
fdt_reset_init(fdt);
fdt_suspend_init(fdt);
fdt_hsm_init(fdt);
fdt_cppc_init(fdt);
if (semihosting_enabled())
rc = semihosting_init();