FreeCalypso > hg > freecalypso-sw
changeset 404:7daea2476062
loadagent: Intel flash support added, compiles
| author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
|---|---|
| date | Mon, 16 Jun 2014 01:15:17 +0000 |
| parents | 7602443edf0d |
| children | a212b4968b29 |
| files | target-utils/libload/Makefile target-utils/libload/intelflash.c target-utils/loadagent/cmdtab.c |
| diffstat | 3 files changed, 82 insertions(+), 1 deletions(-) [+] |
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--- a/target-utils/libload/Makefile Sun Jun 15 22:06:46 2014 +0000 +++ b/target-utils/libload/Makefile Mon Jun 16 01:15:17 2014 +0000 @@ -5,7 +5,7 @@ RANLIB= arm-elf-ranlib OBJS= cmd_blankchk.o cmd_crc32.o cmd_memdump_human.o cmd_memdump_machine.o \ - cmd_memload.o amdflash.o hexstrings.o + cmd_memload.o amdflash.o hexstrings.o intelflash.o all: libload.a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/libload/intelflash.c Mon Jun 16 01:15:17 2014 +0000 @@ -0,0 +1,77 @@ +/* + * This module implements the INFB and INFW commands for programming + * Intel-style flash memories. The syntax and operation are exactly + * the same as the AMD flash counterparts AMFB and AMFW. + */ + +#include <sys/types.h> +#include "types.h" + +static u32 base_addr; + +void +cmd_INFB(argbulk) + char *argbulk; +{ + char *argv[2]; + u_long addr; + + if (parse_args(argbulk, 1, 1, argv, 0) < 0) + return; + if (parse_hexarg(argv[0], 8, &addr) < 0) { + printf("ERROR: argument must be a valid 32-bit hex address\n"); + return; + } + if (addr & 1) { + printf("ERROR: odd address\n"); + return; + } + base_addr = addr; +} + +void +cmd_INFW(argbulk) + char *argbulk; +{ + char *argv[3], *s; + u_long offset; + volatile u16 *flashptr; + u32 datum; /* needs to be u32 for decode_hex_digits() */ + u16 stat; + int i; + + if (parse_args(argbulk, 2, 2, argv, 0) < 0) + return; + if (parse_hexarg(argv[0], 8, &offset) < 0) { + printf("ERROR: offset argument must a valid 32-bit hex value\n"); + return; + } + if (offset & 1) { + printf("ERROR: odd offset argument\n"); + return; + } + flashptr = (volatile u16 *)(base_addr + offset); + for (s = argv[1]; *s; flashptr++, s += 4) { + if (decode_hex_digits(s, 4, &datum) < 0) { + printf("ERROR: bad INFW hex string argument\n"); + return; + } + *flashptr = 0x40; + *flashptr = datum; + for (i = 10000; i; i--) { + stat = *flashptr; + if (stat & 0x80) + break; + } + if (!i) { + printf("ERROR: flash write timeout at %08X\n", + (u_long) flashptr); + return; + } + if (stat & 0x10) { + printf("ERROR: program operation failed at %08X\n", + (u_long) flashptr); + return; + } + } +}
--- a/target-utils/loadagent/cmdtab.c Sun Jun 15 22:06:46 2014 +0000 +++ b/target-utils/loadagent/cmdtab.c Mon Jun 16 01:15:17 2014 +0000 @@ -2,6 +2,8 @@ extern void cmd_AMFB(); extern void cmd_AMFW(); +extern void cmd_INFB(); +extern void cmd_INFW(); extern void cmd_abbr(); extern void cmd_abbw(); extern void cmd_blankchk(); @@ -26,6 +28,8 @@ {"AMFB", cmd_AMFB}, {"AMFW", cmd_AMFW}, {"DUMP", cmd_memdump_machine}, + {"INFB", cmd_INFB}, + {"INFW", cmd_INFW}, {"ML", cmd_memload}, {"abbinit", abb_init}, {"abbr", cmd_abbr},