From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/u-boot/board/trizepsiv/eeprom.c | 62 +++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 qemu/roms/u-boot/board/trizepsiv/eeprom.c (limited to 'qemu/roms/u-boot/board/trizepsiv/eeprom.c') diff --git a/qemu/roms/u-boot/board/trizepsiv/eeprom.c b/qemu/roms/u-boot/board/trizepsiv/eeprom.c new file mode 100644 index 000000000..1318edc5d --- /dev/null +++ b/qemu/roms/u-boot/board/trizepsiv/eeprom.c @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2007 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +static int do_read_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { + unsigned int i; + u8 data[2]; + + for (i=0; i < 0x40; i++) { + if (!(i % 0x10)) + printf("\n%08x:", i); + dm9000_read_srom_word(i, data); + printf(" %02x%02x", data[1], data[0]); + } + printf ("\n"); + return (0); +} + +static int do_write_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { + int offset,value; + + if (argc < 4) + return cmd_usage(cmdtp); + + offset=simple_strtoul(argv[2],NULL,16); + value=simple_strtoul(argv[3],NULL,16); + if (offset > 0x40) { + printf("Wrong offset : 0x%x\n",offset); + return cmd_usage(cmdtp); + } + dm9000_write_srom_word(offset, value); + return (0); +} + +int do_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { + if (argc < 2) + return cmd_usage(cmdtp); + + if (strcmp (argv[1],"read") == 0) + return (do_read_dm9000_eeprom(cmdtp,flag,argc,argv)); + else if (strcmp (argv[1],"write") == 0) + return (do_write_dm9000_eeprom(cmdtp,flag,argc,argv)); + else + return cmd_usage(cmdtp); +} + +U_BOOT_CMD( + dm9000ee,4,1,do_dm9000_eeprom, + "Read/Write eeprom connected to Ethernet Controller", + "\ndm9000ee write \n" + "\tdm9000ee read \n" + "\tword:\t\t00-02 : MAC Address\n" + "\t\t\t03-07 : DM9000 Configuration\n" + "\t\t\t08-63 : User data" +); -- cgit