Hi Sergei,
On Mon, 31 Jul 2023 at 12:43, Sergei Antonov <sap...@gmail.com> wrote:
>
> Support for NPort 6600 Series RS-232/422/485 secure terminal servers.
>
> Technical specifications:
> FA526 ARMv4 CPU, 64 MB of RAM, 16 MB NOR flash, 100 Mbit/s Ethernet,
> optional expansion modules, up to 32 RS-232/422/485 ports.
>
> Signed-off-by: Sergei Antonov <sap...@gmail.com>
> ---
> arch/arm/Kconfig | 9 +++
> arch/arm/dts/nport6600.dts | 134 +++++++++++++++++++++++++++++++
> board/moxa/nport6600/Kconfig | 15 ++++
> board/moxa/nport6600/MAINTAINERS | 7 ++
> board/moxa/nport6600/Makefile | 3 +
> board/moxa/nport6600/nport6600.c | 78 ++++++++++++++++++
> configs/nport6600_defconfig | 129 +++++++++++++++++++++++++++++
> include/configs/nport6600.h | 13 +++
> 8 files changed, 388 insertions(+)
> create mode 100644 arch/arm/dts/nport6600.dts
> create mode 100644 board/moxa/nport6600/Kconfig
> create mode 100644 board/moxa/nport6600/MAINTAINERS
> create mode 100644 board/moxa/nport6600/Makefile
> create mode 100644 board/moxa/nport6600/nport6600.c
> create mode 100644 configs/nport6600_defconfig
> create mode 100644 include/configs/nport6600.h
>
[..]
> diff --git a/board/moxa/nport6600/Makefile b/board/moxa/nport6600/Makefile
> new file mode 100644
> index 000000000000..8d853eaa1a57
> --- /dev/null
> +++ b/board/moxa/nport6600/Makefile
> @@ -0,0 +1,3 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +
> +obj-y := nport6600.o
> diff --git a/board/moxa/nport6600/nport6600.c
> b/board/moxa/nport6600/nport6600.c
> new file mode 100644
> index 000000000000..88fa98c315fd
> --- /dev/null
> +++ b/board/moxa/nport6600/nport6600.c
> @@ -0,0 +1,78 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +
> +#include <common.h>
> +#include <init.h>
> +#include <env.h>
> +#include <cpu_func.h>
> +#include <string.h>
> +
> +int dram_init(void)
> +{
> + return fdtdec_setup_mem_size_base();
> +}
> +
> +int board_init(void)
> +{
> + return 0;
> +}
> +
> +int show_board_info(void)
Can you use the sysinfo API and command instead?
> +{
> + const u8 *NPORT_EXPANSION_MODULE = (const u8 *)0x8c0000c0;
> + const unsigned int module_id = *NPORT_EXPANSION_MODULE;
> + static const char * const modules[] = {
> + NULL,
> + "NM-TX01",
> + "NM-FX01-M-SC",
> + "NM-FX01-S-SC",
> + NULL,
> + "NM-FX02-M-SC",
> + "NM-FX02-S-SC",
> + "NM_GPRS",
> + "NM-TX02",
> + };
> +
> + /* Check for Module */
> + if (module_id < ARRAY_SIZE(modules) && modules[module_id])
> + printf("Expansion module %s detected\n", modules[module_id]);
> +
> + return 0;
> +}
> +
> +static int read_net_params(void)
> +{
> + const u8 *MAC_ADDR = (const u8 *)0x80000050;
> +
> + if (eth_env_set_enetaddr("ethaddr", MAC_ADDR))
> + return -1;
> +
> + return 0;
> +}
> +
> +int misc_init_r(void)
> +{
> + const char *SERIAL_STR = (const char *)0x80000034;
Is that in the devicetree
?
> + const unsigned int SERIAL_LEN = 12;
> + char str[SERIAL_LEN + 1];
> +
> + if (*SERIAL_STR) {
> + memcpy(str, SERIAL_STR, SERIAL_LEN);
> + str[SERIAL_LEN] = 0;
> + } else {
> + /* No serial string. Resort to a 2-byte serial number. */
> + const u16 *SERIAL_NO = (const u16 *)0x8000004c;
> +
> + sprintf(str, "%05u", *SERIAL_NO);
> + }
> +
> + if (env_set("serial#", str))
> + return -1;
> +
> + return read_net_params();
> +}
> +
> +void enable_caches(void)
> +{
> + icache_enable();
> + dcache_enable();
> +}
[..]
> +++ b/include/configs/nport6600.h
> @@ -0,0 +1,13 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +
> +#ifndef _CONFIG_NPORT6600_H
> +#define _CONFIG_NPORT6600_H
> +
> +#include <linux/sizes.h>
> +
> +#define CFG_SYS_INIT_RAM_ADDR 0
> +#define CFG_SYS_INIT_RAM_SIZE SZ_64M
What code uses this? I suppose it is SoC-specific?
> +
> +#define __io
> +
> +#endif /* _CONFIG_NPORT6600_H */
> --
> 2.37.2
>
Regards,
Simon
