/* * (C) Copyright 2007 Michal Simek * * Michal SIMEK <monstr@monstr.eu> * * SPDX-License-Identifier: GPL-2.0+ */ /* * Microblaze FSL support */ #include <common.h> #include <config.h> #include <command.h> #include <asm/asm.h> int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { unsigned int fslnum; unsigned int num; unsigned int blocking; if (argc < 2) return CMD_RET_USAGE; fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16); blocking = (unsigned int)simple_strtoul (argv[2], NULL, 16); if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) { puts ("Bad number of FSL\n"); return CMD_RET_USAGE; } switch (fslnum) { #if (XILINX_FSL_NUMBER > 0) case 0: switch (blocking) { case 0: NGET (num, 0); break; case 1: NCGET (num, 0); break; case 2: GET (num, 0); break; case 3: CGET (num, 0); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 1) case 1: switch (blocking) { case 0: NGET (num, 1); break; case 1: NCGET (num, 1); break; case 2: GET (num, 1); break; case 3: CGET (num, 1); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 2) case 2: switch (blocking) { case 0: NGET (num, 2); break; case 1: NCGET (num, 2); break; case 2: GET (num, 2); break; case 3: CGET (num, 2); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 3) case 3: switch (blocking) { case 0: NGET (num, 3); break; case 1: NCGET (num, 3); break; case 2: GET (num, 3); break; case 3: CGET (num, 3); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 4) case 4: switch (blocking) { case 0: NGET (num, 4); break; case 1: NCGET (num, 4); break; case 2: GET (num, 4); break; case 3: CGET (num, 4); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 5) case 5: switch (blocking) { case 0: NGET (num, 5); break; case 1: NCGET (num, 5); break; case 2: GET (num, 5); break; case 3: CGET (num, 5); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 6) case 6: switch (blocking) { case 0: NGET (num, 6); break; case 1: NCGET (num, 6); break; case 2: GET (num, 6); break; case 3: CGET (num, 6); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 7) case 7: switch (blocking) { case 0: NGET (num, 7); break; case 1: NCGET (num, 7); break; case 2: GET (num, 7); break; case 3: CGET (num, 7); break; default: return 2; } break; #endif default: return 1; } printf ("%01x: 0x%08x - %s %s read\n", fslnum, num, blocking < 2 ? "non blocking" : "blocking", ((blocking == 1) || (blocking == 3)) ? "control" : "data" ); return 0; } int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { unsigned int fslnum; unsigned int num; unsigned int blocking; if (argc < 3) return CMD_RET_USAGE; fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16); num = (unsigned int)simple_strtoul (argv[2], NULL, 16); blocking = (unsigned int)simple_strtoul (argv[3], NULL, 16); if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) return CMD_RET_USAGE; switch (fslnum) { #if (XILINX_FSL_NUMBER > 0) case 0: switch (blocking) { case 0: NPUT (num, 0); break; case 1: NCPUT (num, 0); break; case 2: PUT (num, 0); break; case 3: CPUT (num, 0); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 1) case 1: switch (blocking) { case 0: NPUT (num, 1); break; case 1: NCPUT (num, 1); break; case 2: PUT (num, 1); break; case 3: CPUT (num, 1); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 2) case 2: switch (blocking) { case 0: NPUT (num, 2); break; case 1: NCPUT (num, 2); break; case 2: PUT (num, 2); break; case 3: CPUT (num, 2); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 3) case 3: switch (blocking) { case 0: NPUT (num, 3); break; case 1: NCPUT (num, 3); break; case 2: PUT (num, 3); break; case 3: CPUT (num, 3); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 4) case 4: switch (blocking) { case 0: NPUT (num, 4); break; case 1: NCPUT (num, 4); break; case 2: PUT (num, 4); break; case 3: CPUT (num, 4); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 5) case 5: switch (blocking) { case 0: NPUT (num, 5); break; case 1: NCPUT (num, 5); break; case 2: PUT (num, 5); break; case 3: CPUT (num, 5); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 6) case 6: switch (blocking) { case 0: NPUT (num, 6); break; case 1: NCPUT (num, 6); break; case 2: PUT (num, 6); break; case 3: CPUT (num, 6); break; default: return 2; } break; #endif #if (XILINX_FSL_NUMBER > 7) case 7: switch (blocking) { case 0: NPUT (num, 7); break; case 1: NCPUT (num, 7); break; case 2: PUT (num, 7); break; case 3: CPUT (num, 7); break; default: return 2; } break; #endif default: return 1; } printf ("%01x: 0x%08x - %s %s write\n", fslnum, num, blocking < 2 ? "non blocking" : "blocking", ((blocking == 1) || (blocking == 3)) ? "control" : "data" ); return 0; } int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { unsigned int reg = 0; unsigned int val = 0; if (argc < 2) return CMD_RET_USAGE; reg = (unsigned int)simple_strtoul (argv[1], NULL, 16); val = (unsigned int)simple_strtoul (argv[2], NULL, 16); switch (reg) { case 0x1: if (argc > 2) { MTS (val, rmsr); NOP; MFS (val, rmsr); } else { MFS (val, rmsr); } puts ("MSR"); break; case 0x3: MFS (val, rear); puts ("EAR"); break; case 0x5: MFS (val, resr); puts ("ESR"); break; default: puts ("Unsupported register\n"); return 1; } printf (": 0x%08x\n", val); return 0; } /***************************************************/ U_BOOT_CMD (frd, 3, 1, do_frd, "read data from FSL", "- [fslnum [0|1|2|3]]\n" " 0 - non blocking data read\n" " 1 - non blocking control read\n" " 2 - blocking data read\n" " 3 - blocking control read"); U_BOOT_CMD (fwr, 4, 1, do_fwr, "write data to FSL", "- [fslnum [0|1|2|3]]\n" " 0 - non blocking data write\n" " 1 - non blocking control write\n" " 2 - blocking data write\n" " 3 - blocking control write"); U_BOOT_CMD (rspr, 3, 1, do_rspr, "read/write special purpose register", "- reg_num [write value] read/write special purpose register\n" " 1 - MSR - Machine status register\n" " 3 - EAR - Exception address register\n" " 5 - ESR - Exception status register");