powerpc, 8xx: remove support for 8xx

There was for long time no activity in the 8xx area.
We need to go further and convert to Kconfig, but it
turned out, nobody is interested anymore in 8xx,
so remove it (with a heavy heart, knowing that I remove
here the root of U-Boot).

Signed-off-by: Heiko Schocher <hs@denx.de>

1 files changed, 0 insertions, 333 deletions

diff --git a/examples/standalone/timer.c b/examples/standalone/timer.c
deleted file mode 100644
index dbd5c16f97..0000000000
--- a/examples/standalone/timer.c
+++ /dev/null
@@ -1,333 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <commproc.h>
-#include <mpc8xx_irq.h>
-#include <exports.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#undef	DEBUG
-
-#define	TIMER_PERIOD	1000000		/* 1 second clock */
-
-static void timer_handler (void *arg);
-
-
-/* Access functions for the Machine State Register */
-static __inline__ unsigned long get_msr(void)
-{
-    unsigned long msr;
-
-    asm volatile("mfmsr %0" : "=r" (msr) :);
-    return msr;
-}
-
-static __inline__ void set_msr(unsigned long msr)
-{
-    asm volatile("mtmsr %0" : : "r" (msr));
-}
-
-/*
- * Definitions to access the CPM Timer registers
- * See 8xx_immap.h for Internal Memory Map layout,
- * and commproc.h for CPM Interrupt vectors (aka "IRQ"s)
- */
-
-typedef struct tid_8xx_cpmtimer_s {
-  int		 cpm_vec;	/* CPM Interrupt Vector for this timer	*/
-  ushort	*tgcrp;		/* Pointer to Timer Global Config Reg.	*/
-  ushort	*tmrp;		/* Pointer to Timer Mode Register	*/
-  ushort	*trrp;		/* Pointer to Timer Reference Register	*/
-  ushort	*tcrp;		/* Pointer to Timer Capture Register	*/
-  ushort	*tcnp;		/* Pointer to Timer Counter Register	*/
-  ushort	*terp;		/* Pointer to Timer Event Register	*/
-} tid_8xx_cpmtimer_t;
-
-#ifndef CLOCKRATE
-#  define CLOCKRATE 64
-#endif
-
-#define	CPMT_CLOCK_DIV		16
-#define	CPMT_MAX_PRESCALER	256
-#define CPMT_MAX_REFERENCE	65535	/* max. unsigned short */
-
-#define	CPMT_MAX_TICKS		(CPMT_MAX_REFERENCE * CPMT_MAX_PRESCALER)
-#define	CPMT_MAX_TICKS_WITH_DIV	(CPMT_MAX_REFERENCE * CPMT_MAX_PRESCALER * CPMT_CLOCK_DIV)
-#define	CPMT_MAX_INTERVAL	(CPMT_MAX_TICKS_WITH_DIV / CLOCKRATE)
-
-/* For now: always use max. prescaler value */
-#define	CPMT_PRESCALER		(CPMT_MAX_PRESCALER)
-
-/* CPM Timer Event Register Bits */
-#define	CPMT_EVENT_CAP		0x0001	/* Capture Event		*/
-#define	CPMT_EVENT_REF		0x0002	/* Reference Counter Event	*/
-
-/* CPM Timer Global Config Register */
-#define	CPMT_GCR_RST		0x0001	/* Reset  Timer			*/
-#define	CPMT_GCR_STP		0x0002	/* Stop   Timer			*/
-#define	CPMT_GCR_FRZ		0x0004	/* Freeze Timer			*/
-#define	CPMT_GCR_GM_CAS		0x0008	/* Gate Mode / Cascade Timers	*/
-#define	CPMT_GCR_MASK		(CPMT_GCR_RST|CPMT_GCR_STP|CPMT_GCR_FRZ|CPMT_GCR_GM_CAS)
-
-/* CPM Timer Mode register */
-#define	CPMT_MR_GE		0x0001	/* Gate Enable			*/
-#define	CPMT_MR_ICLK_CASC	0x0000	/* Clock internally cascaded	*/
-#define	CPMT_MR_ICLK_CLK	0x0002	/* Clock = system clock		*/
-#define	CPMT_MR_ICLK_CLKDIV	0x0004	/* Clock = system clock / 16	*/
-#define	CPMT_MR_ICLK_TIN	0x0006	/* Clock = TINx signal		*/
-#define	CPMT_MR_FRR		0x0008	/* Free Run / Restart		*/
-#define	CPMT_MR_ORI		0x0010	/* Out. Reference Interrupt En.	*/
-#define	CPMT_MR_OM		0x0020	/* Output Mode			*/
-#define	CPMT_MR_CE_DIS		0x0000	/* Capture/Interrupt disabled	*/
-#define	CPMT_MR_CE_RISE		0x0040	/* Capt./Interr. on rising  TIN	*/
-#define CPMT_MR_CE_FALL		0x0080	/* Capt./Interr. on falling TIN	*/
-#define	CPMT_MR_CE_ANY		0x00C0	/* Capt./Interr. on any TIN edge*/
-
-
-/*
- * which CPM timer to use - index starts at 0 (= timer 1)
- */
-#define	TID_TIMER_ID	0	/* use CPM timer 1		*/
-
-void setPeriod (tid_8xx_cpmtimer_t *hwp, ulong interval);
-
-static const char usage[] = "\n[q, b, e, ?] ";
-
-int timer (int argc, char * const argv[])
-{
-	cpmtimer8xx_t *cpmtimerp;	/* Pointer to the CPM Timer structure   */
-	tid_8xx_cpmtimer_t hw;
-	tid_8xx_cpmtimer_t *hwp = &hw;
-	int c;
-	int running;
-
-	app_startup(argv);
-
-	/* Pointer to CPM Timer structure */
-	cpmtimerp = &((immap_t *) gd->bd->bi_immr_base)->im_cpmtimer;
-
-	printf ("TIMERS=0x%x\n", (unsigned) cpmtimerp);
-
-	/* Initialize pointers depending on which timer we use */
-	switch (TID_TIMER_ID) {
-	case 0:
-		hwp->tmrp = &(cpmtimerp->cpmt_tmr1);
-		hwp->trrp = &(cpmtimerp->cpmt_trr1);
-		hwp->tcrp = &(cpmtimerp->cpmt_tcr1);
-		hwp->tcnp = &(cpmtimerp->cpmt_tcn1);
-		hwp->terp = &(cpmtimerp->cpmt_ter1);
-		hwp->cpm_vec = CPMVEC_TIMER1;
-		break;
-	case 1:
-		hwp->tmrp = &(cpmtimerp->cpmt_tmr2);
-		hwp->trrp = &(cpmtimerp->cpmt_trr2);
-		hwp->tcrp = &(cpmtimerp->cpmt_tcr2);
-		hwp->tcnp = &(cpmtimerp->cpmt_tcn2);
-		hwp->terp = &(cpmtimerp->cpmt_ter2);
-		hwp->cpm_vec = CPMVEC_TIMER2;
-		break;
-	case 2:
-		hwp->tmrp = &(cpmtimerp->cpmt_tmr3);
-		hwp->trrp = &(cpmtimerp->cpmt_trr3);
-		hwp->tcrp = &(cpmtimerp->cpmt_tcr3);
-		hwp->tcnp = &(cpmtimerp->cpmt_tcn3);
-		hwp->terp = &(cpmtimerp->cpmt_ter3);
-		hwp->cpm_vec = CPMVEC_TIMER3;
-		break;
-	case 3:
-		hwp->tmrp = &(cpmtimerp->cpmt_tmr4);
-		hwp->trrp = &(cpmtimerp->cpmt_trr4);
-		hwp->tcrp = &(cpmtimerp->cpmt_tcr4);
-		hwp->tcnp = &(cpmtimerp->cpmt_tcn4);
-		hwp->terp = &(cpmtimerp->cpmt_ter4);
-		hwp->cpm_vec = CPMVEC_TIMER4;
-		break;
-	}
-
-	hwp->tgcrp = &cpmtimerp->cpmt_tgcr;
-
-	printf ("Using timer %d\n"
-			"tgcr @ 0x%x, tmr @ 0x%x, trr @ 0x%x,"
-			" tcr @ 0x%x, tcn @ 0x%x, ter @ 0x%x\n",
-			TID_TIMER_ID + 1,
-			(unsigned) hwp->tgcrp,
-			(unsigned) hwp->tmrp,
-			(unsigned) hwp->trrp,
-			(unsigned) hwp->tcrp,
-			(unsigned) hwp->tcnp,
-			(unsigned) hwp->terp
-			);
-
-	/* reset timer    */
-	*hwp->tgcrp &= ~(CPMT_GCR_MASK << TID_TIMER_ID);
-
-	/* clear all events */
-	*hwp->terp = (CPMT_EVENT_CAP | CPMT_EVENT_REF);
-
-	puts(usage);
-	running = 0;
-	while ((c = getc()) != 'q') {
-	    if (c == 'b') {
-
-		setPeriod (hwp, TIMER_PERIOD);	/* Set period and start ticking */
-
-		/* Install interrupt handler (enable timer in CIMR) */
-		install_hdlr (hwp->cpm_vec, timer_handler, hwp);
-
-		printf ("Enabling timer\n");
-
-		/* enable timer */
-		*hwp->tgcrp |= (CPMT_GCR_RST << TID_TIMER_ID);
-		running = 1;
-
-#ifdef	DEBUG
-		printf ("tgcr=0x%x, tmr=0x%x, trr=0x%x,"
-			" tcr=0x%x, tcn=0x%x, ter=0x%x\n",
-				*hwp->tgcrp, *hwp->tmrp, *hwp->trrp,
-				*hwp->tcrp,  *hwp->tcnp, *hwp->terp
-				);
-#endif
-	    } else if (c == 'e') {
-
-		printf ("Stopping timer\n");
-
-		*hwp->tgcrp &= ~(CPMT_GCR_MASK << TID_TIMER_ID);
-		running = 0;
-
-#ifdef	DEBUG
-		printf ("tgcr=0x%x, tmr=0x%x, trr=0x%x,"
-			" tcr=0x%x, tcn=0x%x, ter=0x%x\n",
-				*hwp->tgcrp, *hwp->tmrp, *hwp->trrp,
-				*hwp->tcrp,  *hwp->tcnp, *hwp->terp
-			);
-#endif
-		/* Uninstall interrupt handler */
-		free_hdlr (hwp->cpm_vec);
-
-	    } else if (c == '?') {
-#ifdef	DEBUG
-		cpic8xx_t *cpm_icp = &((immap_t *) gd->bd->bi_immr_base)->im_cpic;
-		sysconf8xx_t *siup = &((immap_t *) gd->bd->bi_immr_base)->im_siu_conf;
-#endif
-
-		printf ("\ntgcr=0x%x, tmr=0x%x, trr=0x%x,"
-			" tcr=0x%x, tcn=0x%x, ter=0x%x\n",
-				*hwp->tgcrp, *hwp->tmrp, *hwp->trrp,
-				*hwp->tcrp,  *hwp->tcnp, *hwp->terp
-			);
-#ifdef	DEBUG
-		printf ("SIUMCR=0x%08lx, SYPCR=0x%08lx,"
-			" SIMASK=0x%08lx, SIPEND=0x%08lx\n",
-				siup->sc_siumcr,
-				siup->sc_sypcr,
-				siup->sc_simask,
-				siup->sc_sipend
-			);
-
-		printf ("CIMR=0x%08lx, CICR=0x%08lx, CIPR=0x%08lx\n",
-			cpm_icp->cpic_cimr,
-			cpm_icp->cpic_cicr,
-			cpm_icp->cpic_cipr
-			);
-#endif
-	    } else {
-		printf ("\nEnter: q - quit, b - start timer, e - stop timer, ? - get status\n");
-	    }
-	    puts(usage);
-	}
-	if (running) {
-		printf ("Stopping timer\n");
-		*hwp->tgcrp &= ~(CPMT_GCR_MASK << TID_TIMER_ID);
-		free_hdlr (hwp->cpm_vec);
-	}
-
-	return (0);
-}
-
-
-/* Set period in microseconds and start.
- * Truncate to maximum period if more than this is requested - but warn about it.
- */
-
-void setPeriod (tid_8xx_cpmtimer_t *hwp, ulong interval)
-{
-	unsigned short prescaler;
-	unsigned long ticks;
-
-	printf ("Set interval %ld us\n", interval);
-
-	/* Warn if requesting longer period than possible */
-	if (interval > CPMT_MAX_INTERVAL) {
-		printf ("Truncate interval %ld to maximum (%d)\n",
-				interval, CPMT_MAX_INTERVAL);
-		interval = CPMT_MAX_INTERVAL;
-	}
-	/*
-	 * Check if we want to use clock divider:
-	 * Since the reference counter can be incremented only in integer steps,
-	 * we try to keep it as big as possible to allow the resulting period to be
-	 * as precise as possible.
-	 */
-	/* prescaler, enable interrupt, restart after ref count is reached */
-	prescaler = (ushort) ((CPMT_PRESCALER - 1) << 8) |
-			CPMT_MR_ORI |
-			CPMT_MR_FRR;
-
-	ticks = ((ulong) CLOCKRATE * interval);
-
-	if (ticks > CPMT_MAX_TICKS) {
-		ticks /= CPMT_CLOCK_DIV;
-		prescaler |= CPMT_MR_ICLK_CLKDIV;	/* use system clock divided by 16 */
-	} else {
-		prescaler |= CPMT_MR_ICLK_CLK;	/* use system clock without divider */
-	}
-
-#ifdef	DEBUG
-	printf ("clock/%d, prescale factor %d, reference %ld, ticks %ld\n",
-			(ticks > CPMT_MAX_TICKS) ? CPMT_CLOCK_DIV : 1,
-			CPMT_PRESCALER,
-			(ticks / CPMT_PRESCALER),
-			ticks
-			);
-#endif
-
-	/* set prescaler register */
-	*hwp->tmrp = prescaler;
-
-	/* clear timer counter */
-	*hwp->tcnp = 0;
-
-	/* set reference register */
-	*hwp->trrp = (unsigned short) (ticks / CPMT_PRESCALER);
-
-#ifdef	DEBUG
-	printf ("tgcr=0x%x, tmr=0x%x, trr=0x%x,"
-		" tcr=0x%x, tcn=0x%x, ter=0x%x\n",
-			*hwp->tgcrp, *hwp->tmrp, *hwp->trrp,
-			*hwp->tcrp,  *hwp->tcnp, *hwp->terp
-		);
-#endif
-}
-
-/*
- * Handler for CPMVEC_TIMER1 interrupt
- */
-static
-void timer_handler (void *arg)
-{
-	tid_8xx_cpmtimer_t *hwp = (tid_8xx_cpmtimer_t *)arg;
-
-	/* printf ("** TER1=%04x ** ", *hwp->terp); */
-
-	/* just for demonstration */
-	printf (".");
-
-	/* clear all possible events: Ref. and Cap. */
-	*hwp->terp = (CPMT_EVENT_CAP | CPMT_EVENT_REF);
-}