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generic/starfive: Add Starfive JH7110 platform implementation

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Add Starfive JH7110 platform implementation

Signed-off-by: Wei Liang Lim <weiliang.lim@starfivetech.com>
Reviewed-by: Chee Hong Ang <cheehong.ang@starfivetech.com>
Reviewed-by: Jun Liang Tan <junliang.tan@starfivetech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Wei Liang Lim 2022-12-29 10:56:18 +08:00 • committed by Anup Patel
parent cb7e7c3325
commit 8020df8733
4 changed files with 58 additions and 0 deletions
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4
platform/generic/Kconfig
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@ -45,4 +45,8 @@ config PLATFORM_SIFIVE_FU740
depends on FDT_RESET && FDT_I2C
default n
config PLATFORM_STARFIVE_JH7110
bool "StarFive JH7110 support"
default n
endif

1
platform/generic/configs/defconfig
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@ -3,6 +3,7 @@ CONFIG_PLATFORM_ANDES_AE350=y
CONFIG_PLATFORM_RENESAS_RZFIVE=y
CONFIG_PLATFORM_SIFIVE_FU540=y
CONFIG_PLATFORM_SIFIVE_FU740=y
CONFIG_PLATFORM_STARFIVE_JH7110=y
CONFIG_FDT_GPIO=y
CONFIG_FDT_GPIO_SIFIVE=y
CONFIG_FDT_I2C=y

47
platform/generic/starfive/jh7110.c Normal file
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@ -0,0 +1,47 @@
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022 StarFive
*
* Authors:
* Wei Liang Lim <weiliang.lim@starfivetech.com>
*/
#include <libfdt.h>
#include <platform_override.h>
#include <sbi_utils/fdt/fdt_helper.h>
static u32 selected_hartid = -1;
static bool starfive_jh7110_cold_boot_allowed(u32 hartid,
const struct fdt_match *match)
{
if (selected_hartid != -1)
return (selected_hartid == hartid);
return true;
}
static void starfive_jh7110_fw_init(void *fdt, const struct fdt_match *match)
{
const fdt32_t *val;
int len, coff;
coff = fdt_path_offset(fdt, "/chosen");
if (-1 < coff) {
val = fdt_getprop(fdt, coff, "starfive,boot-hart-id", &len);
if (val && len >= sizeof(fdt32_t))
selected_hartid = (u32) fdt32_to_cpu(*val);
}
}
static const struct fdt_match starfive_jh7110_match[] = {
{ .compatible = "starfive,jh7110" },
{ },
};
const struct platform_override starfive_jh7110 = {
.match_table = starfive_jh7110_match,
.cold_boot_allowed = starfive_jh7110_cold_boot_allowed,
.fw_init = starfive_jh7110_fw_init,
};

6
platform/generic/starfive/objects.mk Normal file
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@ -0,0 +1,6 @@
#
# SPDX-License-Identifier: BSD-2-Clause
#
carray-platform_override_modules-$(CONFIG_PLATFORM_STARFIVE_JH7110) += starfive_jh7110
platform-objs-$(CONFIG_PLATFORM_STARFIVE_JH7110) += starfive/jh7110.o