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	It is a pain to have to specify the value 16 in each call. Add a new hextoul() function and update the code to use it. Add a proper comment to simple_strtoul() while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			388 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			388 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * (C) Copyright 2007 Michal Simek
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 *
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 * Michal  SIMEK <monstr@monstr.eu>
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 */
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/*
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 * Microblaze FSL support
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 */
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <asm/asm.h>
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int do_frd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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	unsigned int fslnum;
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	unsigned int num;
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	unsigned int blocking;
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	if (argc < 2)
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		return CMD_RET_USAGE;
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	fslnum = (unsigned int)hextoul(argv[1], NULL);
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	blocking = (unsigned int)hextoul(argv[2], NULL);
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	if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) {
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		puts ("Bad number of FSL\n");
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		return CMD_RET_USAGE;
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	}
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	switch (fslnum) {
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#if (XILINX_FSL_NUMBER > 0)
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	case 0:
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		switch (blocking) {
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		case 0:	NGET (num, 0);
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			break;
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		case 1:	NCGET (num, 0);
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			break;
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		case 2:	GET (num, 0);
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			break;
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		case 3:	CGET (num, 0);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 1)
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	case 1:
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		switch (blocking) {
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		case 0:	NGET (num, 1);
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			break;
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		case 1:	NCGET (num, 1);
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			break;
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		case 2:	GET (num, 1);
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			break;
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		case 3:	CGET (num, 1);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 2)
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	case 2:
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		switch (blocking) {
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		case 0:	NGET (num, 2);
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			break;
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		case 1:	NCGET (num, 2);
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			break;
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		case 2:	GET (num, 2);
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			break;
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		case 3:	CGET (num, 2);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 3)
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	case 3:
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		switch (blocking) {
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		case 0:	NGET (num, 3);
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			break;
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		case 1:	NCGET (num, 3);
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			break;
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		case 2:	GET (num, 3);
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			break;
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		case 3:	CGET (num, 3);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 4)
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	case 4:
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		switch (blocking) {
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		case 0:	NGET (num, 4);
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			break;
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		case 1:	NCGET (num, 4);
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			break;
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		case 2:	GET (num, 4);
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			break;
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		case 3:	CGET (num, 4);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 5)
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	case 5:
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		switch (blocking) {
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		case 0:	NGET (num, 5);
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			break;
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		case 1:	NCGET (num, 5);
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			break;
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		case 2:	GET (num, 5);
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			break;
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		case 3:	CGET (num, 5);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 6)
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	case 6:
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		switch (blocking) {
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		case 0:	NGET (num, 6);
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			break;
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		case 1:	NCGET (num, 6);
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			break;
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		case 2:	GET (num, 6);
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			break;
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		case 3:	CGET (num, 6);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 7)
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	case 7:
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		switch (blocking) {
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		case 0:	NGET (num, 7);
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			break;
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		case 1:	NCGET (num, 7);
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			break;
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		case 2:	GET (num, 7);
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			break;
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		case 3:	CGET (num, 7);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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	default:
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		return 1;
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	}
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	printf ("%01x: 0x%08x - %s %s read\n", fslnum, num,
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		blocking < 2  ? "non blocking" : "blocking",
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		((blocking == 1) || (blocking == 3)) ? "control" : "data" );
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	return 0;
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}
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int do_fwr(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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	unsigned int fslnum;
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	unsigned int num;
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	unsigned int blocking;
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	if (argc < 3)
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		return CMD_RET_USAGE;
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	fslnum = (unsigned int)hextoul(argv[1], NULL);
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	num = (unsigned int)hextoul(argv[2], NULL);
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	blocking = (unsigned int)hextoul(argv[3], NULL);
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	if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER)
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		return CMD_RET_USAGE;
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	switch (fslnum) {
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#if (XILINX_FSL_NUMBER > 0)
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	case 0:
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		switch (blocking) {
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		case 0:	NPUT (num, 0);
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			break;
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		case 1:	NCPUT (num, 0);
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			break;
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		case 2:	PUT (num, 0);
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			break;
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		case 3:	CPUT (num, 0);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 1)
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	case 1:
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		switch (blocking) {
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		case 0:	NPUT (num, 1);
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			break;
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		case 1:	NCPUT (num, 1);
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			break;
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		case 2:	PUT (num, 1);
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			break;
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		case 3:	CPUT (num, 1);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 2)
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	case 2:
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		switch (blocking) {
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		case 0:	NPUT (num, 2);
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			break;
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		case 1:	NCPUT (num, 2);
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			break;
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		case 2:	PUT (num, 2);
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			break;
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		case 3:	CPUT (num, 2);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 3)
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	case 3:
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		switch (blocking) {
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		case 0:	NPUT (num, 3);
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			break;
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		case 1:	NCPUT (num, 3);
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			break;
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		case 2:	PUT (num, 3);
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			break;
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		case 3:	CPUT (num, 3);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 4)
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	case 4:
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		switch (blocking) {
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		case 0:	NPUT (num, 4);
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			break;
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		case 1:	NCPUT (num, 4);
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			break;
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		case 2:	PUT (num, 4);
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			break;
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		case 3:	CPUT (num, 4);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 5)
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	case 5:
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		switch (blocking) {
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		case 0:	NPUT (num, 5);
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			break;
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		case 1:	NCPUT (num, 5);
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			break;
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		case 2:	PUT (num, 5);
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			break;
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		case 3:	CPUT (num, 5);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 6)
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	case 6:
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		switch (blocking) {
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		case 0:	NPUT (num, 6);
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			break;
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		case 1:	NCPUT (num, 6);
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			break;
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		case 2:	PUT (num, 6);
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			break;
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		case 3:	CPUT (num, 6);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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#if (XILINX_FSL_NUMBER > 7)
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	case 7:
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		switch (blocking) {
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		case 0:	NPUT (num, 7);
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			break;
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		case 1:	NCPUT (num, 7);
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			break;
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		case 2:	PUT (num, 7);
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			break;
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		case 3:	CPUT (num, 7);
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			break;
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		default:
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			return 2;
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		}
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		break;
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#endif
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	default:
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		return 1;
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	}
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	printf ("%01x: 0x%08x - %s %s write\n", fslnum, num,
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		blocking < 2  ? "non blocking" : "blocking",
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		((blocking == 1) || (blocking == 3)) ? "control" : "data" );
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	return 0;
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}
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int do_rspr(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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	unsigned int reg = 0;
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	unsigned int val = 0;
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	if (argc < 2)
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		return CMD_RET_USAGE;
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	reg = (unsigned int)hextoul(argv[1], NULL);
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	val = (unsigned int)hextoul(argv[2], NULL);
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	switch (reg) {
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	case 0x1:
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		if (argc > 2) {
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			MTS (val, rmsr);
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			NOP;
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			MFS (val, rmsr);
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		} else {
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			MFS (val, rmsr);
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		}
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		puts ("MSR");
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		break;
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	case 0x3:
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		MFS (val, rear);
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		puts ("EAR");
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		break;
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	case 0x5:
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		MFS (val, resr);
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		puts ("ESR");
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		break;
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	default:
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		puts ("Unsupported register\n");
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		return 1;
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	}
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	printf (": 0x%08x\n", val);
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	return 0;
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}
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/***************************************************/
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U_BOOT_CMD (frd, 3, 1, do_frd,
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		"read data from FSL",
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		"- [fslnum [0|1|2|3]]\n"
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		" 0 - non blocking data read\n"
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		" 1 - non blocking control read\n"
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		" 2 - blocking data read\n"
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		" 3 - blocking control read");
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U_BOOT_CMD (fwr, 4, 1, do_fwr,
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		"write data to FSL",
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		"- [fslnum [0|1|2|3]]\n"
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		" 0 - non blocking data write\n"
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		" 1 - non blocking control write\n"
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		" 2 - blocking data write\n"
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		" 3 - blocking control write");
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U_BOOT_CMD (rspr, 3, 1, do_rspr,
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		"read/write special purpose register",
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		"- reg_num [write value] read/write special purpose register\n"
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		" 1 - MSR - Machine status register\n"
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		" 3 - EAR - Exception address register\n"
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		" 5 - ESR - Exception status register");
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