diff options
Diffstat (limited to 'qemu/roms/u-boot/common/cmd_dcr.c')
| -rw-r--r-- | qemu/roms/u-boot/common/cmd_dcr.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/qemu/roms/u-boot/common/cmd_dcr.c b/qemu/roms/u-boot/common/cmd_dcr.c deleted file mode 100644 index 896f79f41..000000000 --- a/qemu/roms/u-boot/common/cmd_dcr.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * (C) Copyright 2001 - * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * AMCC 4XX DCR Functions - */ - -#include <common.h> -#include <config.h> -#include <command.h> - -unsigned long get_dcr (unsigned short); -unsigned long set_dcr (unsigned short, unsigned long); - -/* ======================================================================= - * Interpreter command to retrieve an AMCC PPC 4xx Device Control Register - * ======================================================================= - */ -int do_getdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] ) -{ - unsigned short dcrn; /* Device Control Register Num */ - unsigned long value; /* DCR's value */ - - unsigned long get_dcr (unsigned short); - - /* Validate arguments */ - if (argc < 2) - return CMD_RET_USAGE; - - /* Get a DCR */ - dcrn = (unsigned short) simple_strtoul (argv[1], NULL, 16); - value = get_dcr (dcrn); - - printf ("%04x: %08lx\n", dcrn, value); - - return 0; -} - - -/* ====================================================================== - * Interpreter command to set an AMCC PPC 4xx Device Control Register - * ====================================================================== -*/ -int do_setdcr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) -{ - unsigned short dcrn; /* Device Control Register Num */ - unsigned long value; - - /* DCR's value */ - int nbytes; - - /* Validate arguments */ - if (argc < 2) - return CMD_RET_USAGE; - - /* Set a DCR */ - dcrn = (unsigned short) simple_strtoul (argv[1], NULL, 16); - do { - value = get_dcr (dcrn); - printf ("%04x: %08lx", dcrn, value); - nbytes = readline (" ? "); - if (nbytes == 0) { - /* - * <CR> pressed as only input, don't modify current - * location and exit command. - */ - nbytes = 1; - return 0; - } else { - unsigned long i; - char *endp; - - i = simple_strtoul (console_buffer, &endp, 16); - nbytes = endp - console_buffer; - if (nbytes) - set_dcr (dcrn, i); - } - } while (nbytes); - - return 0; -} - -/* ======================================================================= - * Interpreter command to retrieve an register value through AMCC PPC 4xx - * Device Control Register inderect addressing. - * ======================================================================= - */ -int do_getidcr (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - unsigned short adr_dcrn; /* Device Control Register Num for Address */ - unsigned short dat_dcrn; /* Device Control Register Num for Data */ - unsigned short offset; /* Register's offset */ - unsigned long value; /* Register's value */ - char *ptr = NULL; - char buf[80]; - - /* Validate arguments */ - if (argc < 3) - return CMD_RET_USAGE; - - /* Find out whether ther is '.' (dot) symbol in the first parameter. */ - strncpy (buf, argv[1], sizeof(buf)-1); - buf[sizeof(buf)-1] = 0; /* will guarantee zero-end string */ - ptr = strchr (buf, '.'); - - if (ptr != NULL) { - /* First parameter has format adr_dcrn.dat_dcrn */ - *ptr++ = 0; /* erase '.', create zero-end string */ - adr_dcrn = (unsigned short) simple_strtoul (buf, NULL, 16); - dat_dcrn = (unsigned short) simple_strtoul (ptr, NULL, 16); - } else { - /* - * First parameter has format adr_dcrn; dat_dcrn will be - * calculated as adr_dcrn+1. - */ - adr_dcrn = (unsigned short) simple_strtoul (buf, NULL, 16); - dat_dcrn = adr_dcrn+1; - } - - /* Register's offset */ - offset = (unsigned short) simple_strtoul (argv[2], NULL, 16); - - /* Disable interrupts */ - disable_interrupts (); - /* Set offset */ - set_dcr (adr_dcrn, offset); - /* get data */ - value = get_dcr (dat_dcrn); - /* Enable interrupts */ - enable_interrupts (); - - printf ("%04x.%04x-%04x Read %08lx\n", adr_dcrn, dat_dcrn, offset, value); - - return 0; -} - -/* ======================================================================= - * Interpreter command to update an register value through AMCC PPC 4xx - * Device Control Register inderect addressing. - * ======================================================================= - */ -int do_setidcr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) -{ - unsigned short adr_dcrn; /* Device Control Register Num for Address */ - unsigned short dat_dcrn; /* Device Control Register Num for Data */ - unsigned short offset; /* Register's offset */ - unsigned long value; /* Register's value */ - char *ptr = NULL; - char buf[80]; - - /* Validate arguments */ - if (argc < 4) - return CMD_RET_USAGE; - - /* Find out whether ther is '.' (dot) symbol in the first parameter. */ - strncpy (buf, argv[1], sizeof(buf)-1); - buf[sizeof(buf)-1] = 0; /* will guarantee zero-end string */ - ptr = strchr (buf, '.'); - - if (ptr != NULL) { - /* First parameter has format adr_dcrn.dat_dcrn */ - *ptr++ = 0; /* erase '.', create zero-end string */ - adr_dcrn = (unsigned short) simple_strtoul (buf, NULL, 16); - dat_dcrn = (unsigned short) simple_strtoul (ptr, NULL, 16); - } else { - /* - * First parameter has format adr_dcrn; dat_dcrn will be - * calculated as adr_dcrn+1. - */ - adr_dcrn = (unsigned short) simple_strtoul (buf, NULL, 16); - dat_dcrn = adr_dcrn+1; - } - - /* Register's offset */ - offset = (unsigned short) simple_strtoul (argv[2], NULL, 16); - /* New value */ - value = (unsigned long) simple_strtoul (argv[3], NULL, 16); - - /* Disable interrupts */ - disable_interrupts (); - /* Set offset */ - set_dcr (adr_dcrn, offset); - /* set data */ - set_dcr (dat_dcrn, value); - /* Enable interrupts */ - enable_interrupts (); - - printf ("%04x.%04x-%04x Write %08lx\n", adr_dcrn, dat_dcrn, offset, value); - - return 0; -} - -/***************************************************/ - -U_BOOT_CMD( - getdcr, 2, 1, do_getdcr, - "Get an AMCC PPC 4xx DCR's value", - "dcrn - return a DCR's value." -); -U_BOOT_CMD( - setdcr, 2, 1, do_setdcr, - "Set an AMCC PPC 4xx DCR's value", - "dcrn - set a DCR's value." -); - -U_BOOT_CMD( - getidcr, 3, 1, do_getidcr, - "Get a register value via indirect DCR addressing", - "adr_dcrn[.dat_dcrn] offset - write offset to adr_dcrn, read value from dat_dcrn." -); - -U_BOOT_CMD( - setidcr, 4, 1, do_setidcr, - "Set a register value via indirect DCR addressing", - "adr_dcrn[.dat_dcrn] offset value - write offset to adr_dcrn, write value to dat_dcrn." -); |