diff options
Diffstat (limited to 'qemu/roms/u-boot/board/mpl/vcma9/cmd_vcma9.c')
| -rw-r--r-- | qemu/roms/u-boot/board/mpl/vcma9/cmd_vcma9.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/mpl/vcma9/cmd_vcma9.c b/qemu/roms/u-boot/board/mpl/vcma9/cmd_vcma9.c new file mode 100644 index 000000000..c2d62e4aa --- /dev/null +++ b/qemu/roms/u-boot/board/mpl/vcma9/cmd_vcma9.c @@ -0,0 +1,119 @@ +/* + * (C) Copyright 2002 + * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch + * + * adapted for VCMA9 + * David Mueller, ELSOFT AG, d.mueller@elsoft.ch + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <net.h> +#include "vcma9.h" +#include "../common/common_util.h" + +#if defined(CONFIG_CS8900) +#include <../drivers/net/cs8900.h> + +static uchar cs8900_chksum(ushort data) +{ + return((data >> 8) & 0x00FF) + (data & 0x00FF); +} + +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ + +int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + struct eth_device *dev; + char cs8900_name[10]; + if (strcmp(argv[1], "info") == 0) + { + vcma9_print_info(); + return 0; + } +#if defined(CONFIG_CS8900) + if (strcmp(argv[1], "cs8900") == 0) { + sprintf(cs8900_name, "%s-0", CS8900_DRIVERNAME); + dev = eth_get_dev_by_name(cs8900_name); + if (!dev) { + printf("Couldn't find CS8900 driver"); + return 0; + } + if (strcmp(argv[2], "read") == 0) { + uchar addr; ushort data; + + addr = simple_strtoul(argv[3], NULL, 16); + cs8900_e2prom_read(dev, addr, &data); + printf("0x%2.2X: 0x%4.4X\n", addr, data); + } else if (strcmp(argv[2], "write") == 0) { + uchar addr; ushort data; + + addr = simple_strtoul(argv[3], NULL, 16); + data = simple_strtoul(argv[4], NULL, 16); + cs8900_e2prom_write(dev, addr, data); + } else if (strcmp(argv[2], "setaddr") == 0) { + uchar addr, i, csum; ushort data; + uchar ethaddr[6]; + + /* check for valid ethaddr */ + if (eth_getenv_enetaddr("ethaddr", ethaddr)) { + addr = 1; + data = 0x2158; + cs8900_e2prom_write(dev, addr, data); + csum = cs8900_chksum(data); + addr++; + for (i = 0; i < 6; i+=2) { + data = ethaddr[i+1] << 8 | + ethaddr[i]; + cs8900_e2prom_write(dev, addr, data); + csum += cs8900_chksum(data); + addr++; + } + /* calculate header link byte */ + data = 0xA100 | (addr * 2); + cs8900_e2prom_write(dev, 0, data); + csum += cs8900_chksum(data); + /* write checksum word */ + cs8900_e2prom_write(dev, addr, (0 - csum) << 8); + } else { + puts("\nplease defined 'ethaddr'\n"); + } + } else if (strcmp(argv[2], "dump") == 0) { + uchar addr = 0, endaddr, csum; ushort data; + + puts("Dump of CS8900 config device: "); + cs8900_e2prom_read(dev, addr, &data); + if ((data & 0xE000) == 0xA000) { + endaddr = (data & 0x00FF) / 2; + csum = cs8900_chksum(data); + for (addr = 1; addr <= endaddr; addr++) { + cs8900_e2prom_read(dev, addr, &data); + printf("\n0x%2.2X: 0x%4.4X", addr, data); + csum += cs8900_chksum(data); + } + printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong"); + } else { + puts("no valid config found"); + } + puts("\n"); + } + + return 0; + } +#endif + + return (do_mplcommon(cmdtp, flag, argc, argv)); +} + +U_BOOT_CMD( + vcma9, 6, 1, do_vcma9, + "VCMA9 specific commands", + "flash mem [SrcAddr] - updates U-Boot with image in memory\n" + "vcma9 info - displays board information" +); |