OpenRISC: Remove

The OpenRISC architecture is currently unmaintained, remove.

Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 0 insertions, 145 deletions

diff --git a/arch/openrisc/cpu/cpu.c b/arch/openrisc/cpu/cpu.c
deleted file mode 100644
index 272656a361..0000000000
--- a/arch/openrisc/cpu/cpu.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
- * (C) Copyright 2011, Julius Baxter <julius@opencores.org>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/system.h>
-#include <asm/openrisc_exc.h>
-
-static volatile int illegal_instruction;
-
-static void illegal_instruction_handler(void)
-{
-	ulong *epcr = (ulong *)mfspr(SPR_EPCR_BASE);
-
-	/* skip over the illegal instruction */
-	mtspr(SPR_EPCR_BASE, (ulong)(++epcr));
-	illegal_instruction = 1;
-}
-
-static void checkinstructions(void)
-{
-	ulong ra = 1, rb = 1, rc;
-
-	exception_install_handler(EXC_ILLEGAL_INSTR,
-				illegal_instruction_handler);
-
-	illegal_instruction = 0;
-	asm volatile("l.mul %0,%1,%2" : "=r" (rc) : "r" (ra), "r" (rb));
-	printf("           Hardware multiplier: %s\n",
-		illegal_instruction ? "no" : "yes");
-
-	illegal_instruction = 0;
-	asm volatile("l.div %0,%1,%2" : "=r" (rc) : "r" (ra), "r" (rb));
-	printf("           Hardware divider: %s\n",
-		illegal_instruction ? "no" : "yes");
-
-	exception_free_handler(EXC_ILLEGAL_INSTR);
-}
-
-int checkcpu(void)
-{
-	ulong upr = mfspr(SPR_UPR);
-	ulong vr = mfspr(SPR_VR);
-	ulong iccfgr = mfspr(SPR_ICCFGR);
-	ulong dccfgr = mfspr(SPR_DCCFGR);
-	ulong immucfgr = mfspr(SPR_IMMUCFGR);
-	ulong dmmucfgr = mfspr(SPR_DMMUCFGR);
-	ulong cpucfgr = mfspr(SPR_CPUCFGR);
-	uint ver = (vr & SPR_VR_VER) >> 24;
-	uint rev = vr & SPR_VR_REV;
-	uint block_size;
-	uint ways;
-	uint sets;
-
-	printf("CPU:   OpenRISC-%x00 (rev %d) @ %d MHz\n",
-		ver, rev, (CONFIG_SYS_CLK_FREQ / 1000000));
-
-	if (upr & SPR_UPR_DCP) {
-		block_size = (dccfgr & SPR_DCCFGR_CBS) ? 32 : 16;
-		ways = 1 << (dccfgr & SPR_DCCFGR_NCW);
-		printf("       D-Cache: %d bytes, %d bytes/line, %d way(s)\n",
-		       checkdcache(), block_size, ways);
-	} else {
-		printf("       D-Cache: no\n");
-	}
-
-	if (upr & SPR_UPR_ICP) {
-		block_size = (iccfgr & SPR_ICCFGR_CBS) ? 32 : 16;
-		ways = 1 << (iccfgr & SPR_ICCFGR_NCW);
-		printf("       I-Cache: %d bytes, %d bytes/line, %d way(s)\n",
-		       checkicache(), block_size, ways);
-	} else {
-		printf("       I-Cache: no\n");
-	}
-
-	if (upr & SPR_UPR_DMP) {
-		sets = 1 << ((dmmucfgr & SPR_DMMUCFGR_NTS) >> 2);
-		ways = (dmmucfgr & SPR_DMMUCFGR_NTW) + 1;
-		printf("       DMMU: %d sets, %d way(s)\n",
-		       sets, ways);
-	} else {
-		printf("       DMMU: no\n");
-	}
-
-	if (upr & SPR_UPR_IMP) {
-		sets = 1 << ((immucfgr & SPR_IMMUCFGR_NTS) >> 2);
-		ways = (immucfgr & SPR_IMMUCFGR_NTW) + 1;
-		printf("       IMMU: %d sets, %d way(s)\n",
-		       sets, ways);
-	} else {
-		printf("       IMMU: no\n");
-	}
-
-	printf("       MAC unit: %s\n",
-		(upr & SPR_UPR_MP) ? "yes" : "no");
-	printf("       Debug unit: %s\n",
-		(upr & SPR_UPR_DUP) ? "yes" : "no");
-	printf("       Performance counters: %s\n",
-		(upr & SPR_UPR_PCUP) ? "yes" : "no");
-	printf("       Power management: %s\n",
-		(upr & SPR_UPR_PMP) ? "yes" : "no");
-	printf("       Interrupt controller: %s\n",
-		(upr & SPR_UPR_PICP) ? "yes" : "no");
-	printf("       Timer: %s\n",
-		(upr & SPR_UPR_TTP) ? "yes" : "no");
-	printf("       Custom unit(s): %s\n",
-		(upr & SPR_UPR_CUP) ? "yes" : "no");
-
-	printf("       Supported instructions:\n");
-	printf("           ORBIS32: %s\n",
-		(cpucfgr & SPR_CPUCFGR_OB32S) ? "yes" : "no");
-	printf("           ORBIS64: %s\n",
-		(cpucfgr & SPR_CPUCFGR_OB64S) ? "yes" : "no");
-	printf("           ORFPX32: %s\n",
-		(cpucfgr & SPR_CPUCFGR_OF32S) ? "yes" : "no");
-	printf("           ORFPX64: %s\n",
-		(cpucfgr & SPR_CPUCFGR_OF64S) ? "yes" : "no");
-
-	checkinstructions();
-
-	return 0;
-}
-
-int cleanup_before_linux(void)
-{
-	disable_interrupts();
-	return 0;
-}
-
-extern void __reset(void);
-
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-	disable_interrupts();
-	/* Code the jump to __reset here as the compiler is prone to
-	   emitting a bad jump instruction if the function is in flash */
-	__asm__("l.movhi r1,hi(__reset);  \
-		 l.ori r1,r1,lo(__reset); \
-		 l.jr r1");
-	/* not reached, __reset does not return */
-	return 0;
-}