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authorHeiko Schocher <hs@denx.de>2017-06-07 17:33:10 +0200
committerTom Rini <trini@konsulko.com>2017-06-12 08:38:02 -0400
commit2eb48ff7a210ddd2a39bac23b3b9b39c60c32aef (patch)
treed948cc6059525960b72e912f533df2cb140cf5f0 /examples
parent5b8e76c35ec312a3f73126bd1a2d2c0965b98a9f (diff)
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powerpc, 8260: remove support for mpc8260
There was for long time no activity in the 8260 area. We need to go further and convert to Kconfig, but it turned out, nobody is interested anymore in 8260, so remove it. Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'examples')
-rw-r--r--examples/standalone/Makefile1
-rw-r--r--examples/standalone/mem_to_mem_idma2intr.c379
2 files changed, 0 insertions, 380 deletions
diff --git a/examples/standalone/Makefile b/examples/standalone/Makefile
index 4c25f6f..810d285 100644
--- a/examples/standalone/Makefile
+++ b/examples/standalone/Makefile
@@ -10,7 +10,6 @@ extra-$(CONFIG_SMC91111) += smc91111_eeprom
extra-$(CONFIG_SMC911X) += smc911x_eeprom
extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
extra-$(CONFIG_MPC5xxx) += interrupt
-extra-$(CONFIG_MPC8260) += mem_to_mem_idma2intr
extra-$(CONFIG_PPC) += sched
#
diff --git a/examples/standalone/mem_to_mem_idma2intr.c b/examples/standalone/mem_to_mem_idma2intr.c
deleted file mode 100644
index ce6e6c4..0000000
--- a/examples/standalone/mem_to_mem_idma2intr.c
+++ /dev/null
@@ -1,379 +0,0 @@
-/* The dpalloc function used and implemented in this file was derieved
- * from PPCBoot/U-Boot file "arch/powerpc/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/powerpc/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 <console.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;
-}
-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 * const argv[])
-#else
-int do_idma (bd_t * bd, int argc, char * const 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 u16 *)&immap->im_dprambase16
- [PROFF_IDMA2_BASE / sizeof(u16)] = 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->arch.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->arch.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);
-}