Move examples/ to examples/standalone

The current files in examples are all standalone application examples,
so put them in their own subdirectory for organizational purposes

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

1 files changed, 0 insertions, 384 deletions

diff --git a/examples/mem_to_mem_idma2intr.c b/examples/mem_to_mem_idma2intr.c
deleted file mode 100644
index 15779d0..0000000
--- a/examples/mem_to_mem_idma2intr.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/* The dpalloc function used and implemented in this file was derieved
- * from PPCBoot/U-Boot file "cpu/mpc8260/commproc.c".
- */
-
-/* Author: Arun Dharankar <ADharankar@ATTBI.Com>
- * This example is meant to only demonstrate how the IDMA could be used.
- */
-
-/*
- * This file is based on "arch/ppc/8260_io/commproc.c" - here is it's
- * copyright notice:
- *
- * General Purpose functions for the global management of the
- * 8260 Communication Processor Module.
- * Copyright (c) 1999 Dan Malek (dmalek@jlc.net)
- * Copyright (c) 2000 MontaVista Software, Inc (source@mvista.com)
- *  2.3.99 Updates
- *
- * In addition to the individual control of the communication
- * channels, there are a few functions that globally affect the
- * communication processor.
- *
- * Buffer descriptors must be allocated from the dual ported memory
- * space.  The allocator for that is here.  When the communication
- * process is reset, we reclaim the memory available.  There is
- * currently no deallocator for this memory.
- */
-
-
-#include <common.h>
-#include <exports.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define STANDALONE
-
-#ifndef STANDALONE			/* Linked into/Part of  PPCBoot */
-#include <command.h>
-#include <watchdog.h>
-#else					/* Standalone app of PPCBoot */
-#define WATCHDOG_RESET() {						\
-			*(ushort *)(CONFIG_SYS_IMMR + 0x1000E) = 0x556c;	\
-			*(ushort *)(CONFIG_SYS_IMMR + 0x1000E) = 0xaa39;	\
-		}
-#endif	/* STANDALONE */
-
-static int debug = 1;
-
-#define DEBUG(fmt, args...)	 {					\
-	if(debug != 0) {						\
-		printf("[%s %d %s]: ",__FILE__,__LINE__,__FUNCTION__);	\
-		printf(fmt, ##args);					\
-	}								\
-}
-
-#define CPM_CR_IDMA1_SBLOCK  (0x14)
-#define CPM_CR_IDMA2_SBLOCK  (0x15)
-#define CPM_CR_IDMA3_SBLOCK  (0x16)
-#define CPM_CR_IDMA4_SBLOCK  (0x17)
-#define CPM_CR_IDMA1_PAGE    (0x07)
-#define CPM_CR_IDMA2_PAGE    (0x08)
-#define CPM_CR_IDMA3_PAGE    (0x09)
-#define CPM_CR_IDMA4_PAGE    (0x0a)
-#define PROFF_IDMA1_BASE     ((uint)0x87fe)
-#define PROFF_IDMA2_BASE     ((uint)0x88fe)
-#define PROFF_IDMA3_BASE     ((uint)0x89fe)
-#define PROFF_IDMA4_BASE     ((uint)0x8afe)
-
-#define CPM_CR_INIT_TRX     ((ushort)0x0000)
-#define CPM_CR_FLG  ((ushort)0x0001)
-
-#define mk_cr_cmd(PG, SBC, MCN, OP) \
-    ((PG << 26) | (SBC << 21) | (MCN << 6) | OP)
-
-
-#pragma pack(1)
-typedef struct ibdbits {
-	unsigned b_valid:1;
-	unsigned b_resv1:1;
-	unsigned b_wrap:1;
-	unsigned b_interrupt:1;
-	unsigned b_last:1;
-	unsigned b_resv2:1;
-	unsigned b_cm:1;
-	unsigned b_resv3:2;
-	unsigned b_sdn:1;
-	unsigned b_ddn:1;
-	unsigned b_dgbl:1;
-	unsigned b_dbo:2;
-	unsigned b_resv4:1;
-	unsigned b_ddtb:1;
-	unsigned b_resv5:2;
-	unsigned b_sgbl:1;
-	unsigned b_sbo:2;
-	unsigned b_resv6:1;
-	unsigned b_sdtb:1;
-	unsigned b_resv7:9;
-} ibdbits_t;
-
-#pragma pack(1)
-typedef union ibdbitsu {
-	ibdbits_t b;
-	uint i;
-} ibdbitsu_t;
-
-#pragma pack(1)
-typedef struct idma_buf_desc {
-	ibdbitsu_t ibd_bits;		/* Status and Control */
-	uint ibd_datlen;		/* Data length in buffer */
-	uint ibd_sbuf;			/* Source buffer addr in host mem */
-	uint ibd_dbuf;			/* Destination buffer addr in host mem */
-} ibd_t;
-
-
-#pragma pack(1)
-typedef struct dcmbits {
-	unsigned b_fb:1;
-	unsigned b_lp:1;
-	unsigned b_resv1:3;
-	unsigned b_tc2:1;
-	unsigned b_resv2:1;
-	unsigned b_wrap:3;
-	unsigned b_sinc:1;
-	unsigned b_dinc:1;
-	unsigned b_erm:1;
-	unsigned b_dt:1;
-	unsigned b_sd:2;
-} dcmbits_t;
-
-#pragma pack(1)
-typedef union dcmbitsu {
-	dcmbits_t b;
-	ushort i;
-} dcmbitsu_t;
-
-#pragma pack(1)
-typedef struct pram_idma {
-	ushort pi_ibase;
-	dcmbitsu_t pi_dcmbits;
-	ushort pi_ibdptr;
-	ushort pi_dprbuf;
-	ushort pi_bufinv;		/* internal to CPM */
-	ushort pi_ssmax;
-	ushort pi_dprinptr;		/* internal to CPM */
-	ushort pi_sts;
-	ushort pi_dproutptr;		/* internal to CPM */
-	ushort pi_seob;
-	ushort pi_deob;
-	ushort pi_dts;
-	ushort pi_retadd;
-	ushort pi_resv1;		/* internal to CPM */
-	uint pi_bdcnt;
-	uint pi_sptr;
-	uint pi_dptr;
-	uint pi_istate;
-} pram_idma_t;
-
-
-volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
-volatile ibd_t *bdf;
-volatile pram_idma_t *piptr;
-
-volatile int dmadone;
-volatile int *dmadonep = &dmadone;
-void dmadone_handler (void *);
-
-int idma_init (void);
-void idma_start (int, int, int, uint, uint, int);
-uint dpalloc (uint, uint);
-
-
-uint dpinit_done = 0;
-
-
-#ifdef STANDALONE
-int ctrlc (void)
-{
-	if (tstc()) {
-		switch (getc ()) {
-		case 0x03:		/* ^C - Control C */
-			return 1;
-		default:
-			break;
-		}
-	}
-	return 0;
-}
-void * memset(void * s,int c,size_t count)
-{
-	char *xs = (char *) s;
-	while (count--)
-		*xs++ = c;
-	return s;
-}
-int memcmp(const void * cs,const void * ct,size_t count)
-{
-	const unsigned char *su1, *su2;
-	int res = 0;
-	for( su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--)
-		if ((res = *su1 - *su2) != 0)
-			break;
-	return res;
-}
-#endif	/* STANDALONE */
-
-#ifdef STANDALONE
-int mem_to_mem_idma2intr (int argc, char *argv[])
-#else
-int do_idma (bd_t * bd, int argc, char *argv[])
-#endif	/* STANDALONE */
-{
-	int i;
-
-	app_startup(argv);
-	dpinit_done = 0;
-
-	idma_init ();
-
-	DEBUG ("Installing dma handler\n");
-	install_hdlr (7, dmadone_handler, (void *) bdf);
-
-	memset ((void *) 0x100000, 'a', 512);
-	memset ((void *) 0x200000, 'b', 512);
-
-	for (i = 0; i < 32; i++) {
-		printf ("Startin IDMA, iteration=%d\n", i);
-		idma_start (1, 1, 512, 0x100000, 0x200000, 3);
-	}
-
-	DEBUG ("Uninstalling dma handler\n");
-	free_hdlr (7);
-
-	return 0;
-}
-
-void
-idma_start (int sinc, int dinc, int sz, uint sbuf, uint dbuf, int ttype)
-{
-	/* ttype is for M-M, M-P, P-M or P-P: not used for now */
-
-	piptr->pi_istate = 0;	/* manual says: clear it before every START_IDMA */
-	piptr->pi_dcmbits.b.b_resv1 = 0;
-
-	if (sinc == 1)
-		piptr->pi_dcmbits.b.b_sinc = 1;
-	else
-		piptr->pi_dcmbits.b.b_sinc = 0;
-
-	if (dinc == 1)
-		piptr->pi_dcmbits.b.b_dinc = 1;
-	else
-		piptr->pi_dcmbits.b.b_dinc = 0;
-
-	piptr->pi_dcmbits.b.b_erm = 0;
-	piptr->pi_dcmbits.b.b_sd = 0x00;	/* M-M */
-
-	bdf->ibd_sbuf = sbuf;
-	bdf->ibd_dbuf = dbuf;
-	bdf->ibd_bits.b.b_cm = 0;
-	bdf->ibd_bits.b.b_interrupt = 1;
-	bdf->ibd_bits.b.b_wrap = 1;
-	bdf->ibd_bits.b.b_last = 1;
-	bdf->ibd_bits.b.b_sdn = 0;
-	bdf->ibd_bits.b.b_ddn = 0;
-	bdf->ibd_bits.b.b_dgbl = 0;
-	bdf->ibd_bits.b.b_ddtb = 0;
-	bdf->ibd_bits.b.b_sgbl = 0;
-	bdf->ibd_bits.b.b_sdtb = 0;
-	bdf->ibd_bits.b.b_dbo = 1;
-	bdf->ibd_bits.b.b_sbo = 1;
-	bdf->ibd_bits.b.b_valid = 1;
-	bdf->ibd_datlen = 512;
-
-	*dmadonep = 0;
-
-	immap->im_sdma.sdma_idmr2 = (uchar) 0xf;
-
-	immap->im_cpm.cp_cpcr = mk_cr_cmd (CPM_CR_IDMA2_PAGE,
-					   CPM_CR_IDMA2_SBLOCK, 0x0,
-					   0x9) | 0x00010000;
-
-	while (*dmadonep != 1) {
-		if (ctrlc ()) {
-			DEBUG ("\nInterrupted waiting for DMA interrupt.\n");
-			goto done;
-		}
-		printf ("Waiting for DMA interrupt (dmadone=%d b_valid = %d)...\n",
-			dmadone, bdf->ibd_bits.b.b_valid);
-		udelay (1000000);
-	}
-	printf ("DMA complete notification received!\n");
-
-  done:
-	DEBUG ("memcmp(0x%08x, 0x%08x, 512) = %d\n",
-		sbuf, dbuf, memcmp ((void *) sbuf, (void *) dbuf, 512));
-
-	return;
-}
-
-#define MAX_INT_BUFSZ	64
-#define DCM_WRAP	 0	/* MUST be consistant with MAX_INT_BUFSZ */
-
-int idma_init (void)
-{
-	uint memaddr;
-
-	immap->im_cpm.cp_rccr &= ~0x00F3FFFF;
-	immap->im_cpm.cp_rccr |= 0x00A00A00;
-
-	memaddr = dpalloc (sizeof (pram_idma_t), 64);
-
-	*(volatile ushort *) &immap->im_dprambase[PROFF_IDMA2_BASE] = memaddr;
-	piptr = (volatile pram_idma_t *) ((uint) (immap) + memaddr);
-
-	piptr->pi_resv1 = 0;		/* manual says: clear it */
-	piptr->pi_dcmbits.b.b_fb = 0;
-	piptr->pi_dcmbits.b.b_lp = 1;
-	piptr->pi_dcmbits.b.b_erm = 0;
-	piptr->pi_dcmbits.b.b_dt = 0;
-
-	memaddr = (uint) dpalloc (sizeof (ibd_t), 64);
-	piptr->pi_ibase = piptr->pi_ibdptr = (volatile short) memaddr;
-	bdf = (volatile ibd_t *) ((uint) (immap) + memaddr);
-	bdf->ibd_bits.b.b_valid = 0;
-
-	memaddr = (uint) dpalloc (64, 64);
-	piptr->pi_dprbuf = (volatile ushort) memaddr;
-	piptr->pi_dcmbits.b.b_wrap = 4;
-	piptr->pi_ssmax = 32;
-
-	piptr->pi_sts = piptr->pi_ssmax;
-	piptr->pi_dts = piptr->pi_ssmax;
-
-	return 1;
-}
-
-void dmadone_handler (void *arg)
-{
-	immap->im_sdma.sdma_idmr2 = (uchar) 0x0;
-
-	*dmadonep = 1;
-
-	return;
-}
-
-
-static uint dpbase = 0;
-
-uint dpalloc (uint size, uint align)
-{
-	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
-	uint retloc;
-	uint align_mask, off;
-	uint savebase;
-
-	/* Pointer to initial global data area */
-
-	if (dpinit_done == 0) {
-		dpbase = gd->dp_alloc_base;
-		dpinit_done = 1;
-	}
-
-	align_mask = align - 1;
-	savebase = dpbase;
-
-	if ((off = (dpbase & align_mask)) != 0)
-		dpbase += (align - off);
-
-	if ((off = size & align_mask) != 0)
-		size += align - off;
-
-	if ((dpbase + size) >= gd->dp_alloc_top) {
-		dpbase = savebase;
-		printf ("dpalloc: ran out of dual port ram!");
-		return 0;
-	}
-
-	retloc = dpbase;
-	dpbase += size;
-
-	memset ((void *) &immr->im_dprambase[retloc], 0, size);
-
-	return (retloc);
-}