From: Li Hua Qian huaqian.li@siemens.com
This brings a sysinfo driver and DT entry for the IOT2050 board series. It translates the board information passed from SE-Boot to SPL into values that can be retrieved via the sysinfo API. Will is already used to fill the SMBIOS table when booting via EFI.
Signed-off-by: Li Hua Qian huaqian.li@siemens.com [Jan: split-off as separate patch, cleanup] Signed-off-by: Jan Kiszka jan.kiszka@siemens.com --- .../dts/k3-am65-iot2050-common-u-boot.dtsi | 18 +++ configs/iot2050_defconfig | 1 + drivers/sysinfo/Kconfig | 7 + drivers/sysinfo/Makefile | 1 + drivers/sysinfo/iot2050.c | 143 ++++++++++++++++++ drivers/sysinfo/iot2050.h | 26 ++++ 6 files changed, 196 insertions(+) create mode 100644 drivers/sysinfo/iot2050.c create mode 100644 drivers/sysinfo/iot2050.h
diff --git a/arch/arm/dts/k3-am65-iot2050-common-u-boot.dtsi b/arch/arm/dts/k3-am65-iot2050-common-u-boot.dtsi index b6d2c816acc..55337179f9f 100644 --- a/arch/arm/dts/k3-am65-iot2050-common-u-boot.dtsi +++ b/arch/arm/dts/k3-am65-iot2050-common-u-boot.dtsi @@ -14,6 +14,24 @@ spi0 = &ospi0; };
+ sysinfo { + compatible = "siemens,sysinfo-iot2050"; + /* TI_SRAM_SCRATCH_BOARD_EEPROM_START */ + offset = <0x40280000>; + bootph-all; + + smbios { + system { + manufacturer = "SIEMENS AG"; + product = "SIMATIC IOT2050"; + }; + + baseboard { + manufacturer = "SIEMENS AG"; + }; + }; + }; + leds { bootph-all; status-led-red { diff --git a/configs/iot2050_defconfig b/configs/iot2050_defconfig index 2624f0cb573..574e232d119 100644 --- a/configs/iot2050_defconfig +++ b/configs/iot2050_defconfig @@ -141,6 +141,7 @@ CONFIG_SOC_TI=y CONFIG_SPI=y CONFIG_DM_SPI=y CONFIG_CADENCE_QSPI=y +CONFIG_SYSINFO=y CONFIG_SYSRESET=y CONFIG_SPL_SYSRESET=y CONFIG_SYSRESET_TI_SCI=y diff --git a/drivers/sysinfo/Kconfig b/drivers/sysinfo/Kconfig index 2030e4babc9..df83df69ffb 100644 --- a/drivers/sysinfo/Kconfig +++ b/drivers/sysinfo/Kconfig @@ -31,6 +31,13 @@ config SYSINFO_RCAR3 help Support querying SoC version information for Renesas R-Car Gen3.
+config SYSINFO_IOT2050 + bool "Enable sysinfo driver for the Siemens IOT2050" + depends on TARGET_IOT2050_A53 + default y if TARGET_IOT2050_A53 + help + Support querying device information for Siemens IOT2050. + config SYSINFO_SANDBOX bool "Enable sysinfo driver for the Sandbox board" help diff --git a/drivers/sysinfo/Makefile b/drivers/sysinfo/Makefile index 680dde77fe8..26ca3150999 100644 --- a/drivers/sysinfo/Makefile +++ b/drivers/sysinfo/Makefile @@ -5,6 +5,7 @@ obj-y += sysinfo-uclass.o obj-$(CONFIG_SYSINFO_GAZERBEAM) += gazerbeam.o obj-$(CONFIG_SYSINFO_GPIO) += gpio.o +obj-$(CONFIG_SYSINFO_IOT2050) += iot2050.o obj-$(CONFIG_SYSINFO_RCAR3) += rcar3.o obj-$(CONFIG_SYSINFO_SANDBOX) += sandbox.o obj-$(CONFIG_SYSINFO_SMBIOS) += smbios.o diff --git a/drivers/sysinfo/iot2050.c b/drivers/sysinfo/iot2050.c new file mode 100644 index 00000000000..5359d6b8d62 --- /dev/null +++ b/drivers/sysinfo/iot2050.c @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) Siemens AG, 2024 + */ + +#include <dm.h> +#include <sysinfo.h> +#include <net.h> +#include <asm/arch/hardware.h> + +#include "iot2050.h" + +#define IOT2050_INFO_MAGIC 0x20502050 + +struct iot2050_info { + u32 magic; + u16 size; + char name[20 + 1]; + char serial[16 + 1]; + char mlfb[18 + 1]; + char uuid[32 + 1]; + char a5e[18 + 1]; + u8 mac_addr_cnt; + u8 mac_addr[8][ARP_HLEN]; + char seboot_version[40 + 1]; + u8 padding[3]; + u32 ddr_size_mb; +} __packed; + +/** + * struct sysinfo_iot2050_priv - sysinfo private data + * @info: iot2050 board info + */ +struct sysinfo_iot2050_priv { + struct iot2050_info *info; +}; + +static int sysinfo_iot2050_detect(struct udevice *dev) +{ + struct sysinfo_iot2050_priv *priv = dev_get_priv(dev); + + if (priv->info == NULL || priv->info->magic != IOT2050_INFO_MAGIC) + return -EFAULT; + + return 0; +} + +static int sysinfo_iot2050_get_str(struct udevice *dev, int id, size_t size, + char *val) +{ + struct sysinfo_iot2050_priv *priv = dev_get_priv(dev); + char byte_str[3] = {0}; + unsigned int n; + + switch (id) { + case BOARD_NAME: + strncpy(val, priv->info->name, size); + break; + case BOARD_SERIAL: + strncpy(val, priv->info->serial, size); + break; + case BOARD_MLFB: + strncpy(val, priv->info->mlfb, size); + break; + case BOARD_UUID: + for (n = 0; n < min(size, (size_t)16); n++) { + memcpy(byte_str, priv->info->uuid + n * 2, 2); + val[n] = (char)hextoul(byte_str, NULL); + } + break; + case BOARD_A5E: + strncpy(val, priv->info->a5e, size); + break; + case BOARD_SEBOOT_VER: + strncpy(val, priv->info->seboot_version, size); + break; + case BOARD_MAC_ADDR_1: + case BOARD_MAC_ADDR_2: + case BOARD_MAC_ADDR_3: + case BOARD_MAC_ADDR_4: + case BOARD_MAC_ADDR_5: + case BOARD_MAC_ADDR_6: + case BOARD_MAC_ADDR_7: + case BOARD_MAC_ADDR_8: + memcpy(val, priv->info->mac_addr[id - BOARD_MAC_ADDR_START], + ARP_HLEN); + return 0; + case BOARD_DDR_SIZE: + memcpy(val, &priv->info->ddr_size_mb, + sizeof(priv->info->ddr_size_mb)); + return 0; + default: + return -EINVAL; + }; + + val[size - 1] = '\0'; + return 0; +} + +static int sysinfo_iot2050_get_int(struct udevice *dev, int id, int *val) +{ + struct sysinfo_iot2050_priv *priv = dev_get_priv(dev); + + switch (id) { + case BOARD_MAC_ADDR_CNT: + *val = priv->info->mac_addr_cnt; + return 0; + default: + return -EINVAL; + }; +} + +static const struct sysinfo_ops sysinfo_iot2050_ops = { + .detect = sysinfo_iot2050_detect, + .get_str = sysinfo_iot2050_get_str, + .get_int = sysinfo_iot2050_get_int, +}; + +static int sysinfo_iot2050_probe(struct udevice *dev) +{ + struct sysinfo_iot2050_priv *priv = dev_get_priv(dev); + unsigned long offset; + + offset = dev_read_u32_default(dev, "offset", + TI_SRAM_SCRATCH_BOARD_EEPROM_START); + priv->info = (struct iot2050_info *)offset; + + return 0; +} + +static const struct udevice_id sysinfo_iot2050_ids[] = { + { .compatible = "siemens,sysinfo-iot2050" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(sysinfo_iot2050) = { + .name = "sysinfo_iot2050", + .id = UCLASS_SYSINFO, + .of_match = sysinfo_iot2050_ids, + .ops = &sysinfo_iot2050_ops, + .priv_auto = sizeof(struct sysinfo_iot2050_priv), + .probe = sysinfo_iot2050_probe, +}; diff --git a/drivers/sysinfo/iot2050.h b/drivers/sysinfo/iot2050.h new file mode 100644 index 00000000000..f659a8282b5 --- /dev/null +++ b/drivers/sysinfo/iot2050.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) Siemens AG, 2024 + */ + +#include <sysinfo.h> + +enum sysinfo_id_iot2050 { + BOARD_MLFB = SYSINFO_ID_SMBIOS_SYSTEM_VERSION, + BOARD_SERIAL = SYSINFO_ID_SMBIOS_SYSTEM_SERIAL, + BOARD_UUID = SYSINFO_ID_SMBIOS_SYSTEM_UUID, + BOARD_A5E = SYSINFO_ID_SMBIOS_BASEBOARD_PRODUCT, + BOARD_NAME = SYSINFO_ID_SMBIOS_BASEBOARD_VERSION, + BOARD_SEBOOT_VER = SYSINFO_ID_USER + 0, + BOARD_MAC_ADDR_CNT = SYSINFO_ID_USER + 1, + BOARD_MAC_ADDR_1 = SYSINFO_ID_USER + 2, + BOARD_MAC_ADDR_START = BOARD_MAC_ADDR_1, + BOARD_MAC_ADDR_2 = SYSINFO_ID_USER + 3, + BOARD_MAC_ADDR_3 = SYSINFO_ID_USER + 4, + BOARD_MAC_ADDR_4 = SYSINFO_ID_USER + 5, + BOARD_MAC_ADDR_5 = SYSINFO_ID_USER + 6, + BOARD_MAC_ADDR_6 = SYSINFO_ID_USER + 7, + BOARD_MAC_ADDR_7 = SYSINFO_ID_USER + 8, + BOARD_MAC_ADDR_8 = SYSINFO_ID_USER + 9, + BOARD_DDR_SIZE = SYSINFO_ID_USER + 10, +};