SPARC: Remove

The SPARC architecture is currently unmaintained, remove.

Cc: Francois Retief <fgretief@spaceteq.co.za>
Signed-off-by: Tom Rini <trini@konsulko.com>

1 files changed, 0 insertions, 316 deletions

diff --git a/arch/sparc/cpu/leon3/ambapp.c b/arch/sparc/cpu/leon3/ambapp.c
deleted file mode 100644
index 47769cffd7..0000000000
--- a/arch/sparc/cpu/leon3/ambapp.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/* GRLIB AMBA Plug&Play information scanning, relies on assembler
- * routines.
- *
- * (C) Copyright 2010, 2015
- * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/* #define DEBUG */
-
-#include <common.h>
-#include <malloc.h>
-#include <ambapp.h>
-#include <config.h>
-
-/************ C INTERFACE OF ASSEMBLER SCAN ROUTINES ************/
-struct ambapp_find_apb_info {
-	/* Address of APB device Plug&Play information */
-	struct ambapp_pnp_apb	*pnp;
-	/* AHB Bus index of where the APB-Master Bridge device was found */
-	int			ahb_bus_index;
-	int			dec_index;
-};
-
-struct ambapp_find_ahb_info {
-	/* Address of AHB device Plug&Play information */
-	struct ambapp_pnp_ahb	*pnp;
-	/* AHB Bus index of where the AHB device was found */
-	int			ahb_bus_index;
-	int			dec_index;
-};
-
-extern void ambapp_find_buses(unsigned int ioarea, struct ambapp_bus *abus);
-
-extern int ambapp_find_apb(struct ambapp_bus *abus, unsigned int dev_vend,
-	int index, struct ambapp_find_apb_info *result);
-
-extern int ambapp_find_ahb(struct ambapp_bus *abus, unsigned int dev_vend,
-	int index, int type, struct ambapp_find_ahb_info *result);
-
-/************ C ROUTINES USED BY U-BOOT AMBA CORE DRIVERS ************/
-struct ambapp_bus ambapp_plb __section(.data);
-
-void ambapp_bus_init(
-	unsigned int ioarea,
-	unsigned int freq,
-	struct ambapp_bus *abus)
-{
-	int i;
-
-	ambapp_find_buses(ioarea, abus);
-	for (i = 0; i < 6; i++)
-		if (abus->ioareas[i] == 0)
-			break;
-	abus->buses = i;
-	abus->freq = freq;
-}
-
-/* Parse APB PnP Information */
-void ambapp_apb_parse(struct ambapp_find_apb_info *info, ambapp_apbdev *dev)
-{
-	struct ambapp_pnp_apb *apb = info->pnp;
-	unsigned int apbbase = (unsigned int)apb & 0xfff00000;
-
-	dev->vendor = amba_vendor(apb->id);
-	dev->device = amba_device(apb->id);
-	dev->irq = amba_irq(apb->id);
-	dev->ver = amba_ver(apb->id);
-	dev->address = (apbbase | (((apb->iobar & 0xfff00000) >> 12))) &
-			(((apb->iobar &	0x0000fff0) << 4) | 0xfff00000);
-	dev->mask = amba_apb_mask(apb->iobar);
-	dev->ahb_bus_index = info->ahb_bus_index - 1;
-}
-
-/* Parse AHB PnP information */
-void ambapp_ahb_parse(struct ambapp_find_ahb_info *info, ambapp_ahbdev *dev)
-{
-	struct ambapp_pnp_ahb *ahb = info->pnp;
-	unsigned int ahbbase = (unsigned int)ahb & 0xfff00000;
-	int i, type;
-	unsigned int addr, mask, mbar;
-
-	dev->vendor = amba_vendor(ahb->id);
-	dev->device = amba_device(ahb->id);
-	dev->irq = amba_irq(ahb->id);
-	dev->ver = amba_ver(ahb->id);
-	dev->userdef[0] = ahb->custom[0];
-	dev->userdef[1] = ahb->custom[1];
-	dev->userdef[2] = ahb->custom[2];
-	dev->ahb_bus_index = info->ahb_bus_index - 1;
-	for (i = 0; i < 4; i++) {
-		mbar = ahb->mbar[i];
-		addr = amba_membar_start(mbar);
-		type = amba_membar_type(mbar);
-		if (type == AMBA_TYPE_AHBIO) {
-			addr = amba_ahbio_adr(addr, ahbbase);
-			mask = (((unsigned int)
-				(amba_membar_mask((~mbar))<<8)|0xff))+1;
-		} else {
-			/* AHB memory area, absolute address */
-			mask = (~((unsigned int)
-				(amba_membar_mask(mbar)<<20)))+1;
-		}
-		dev->address[i] = addr;
-		dev->mask[i] = mask;
-		dev->type[i] = type;
-	}
-}
-
-int ambapp_apb_find(struct ambapp_bus *abus, int vendor, int device,
-	int index, ambapp_apbdev *dev)
-{
-	unsigned int devid = AMBA_PNP_ID(vendor, device);
-	int found;
-	struct ambapp_find_apb_info apbdev;
-
-	found = ambapp_find_apb(abus, devid, index, &apbdev);
-	if (found == 1)
-		ambapp_apb_parse(&apbdev, dev);
-
-	return found;
-}
-
-int ambapp_apb_count(struct ambapp_bus *abus, int vendor, int device)
-{
-	unsigned int devid = AMBA_PNP_ID(vendor, device);
-	int found;
-	struct ambapp_find_apb_info apbdev;
-
-	found = ambapp_find_apb(abus, devid, 63, &apbdev);
-	if (found == 1)
-		return 64;
-	else
-		return 63 - apbdev.dec_index;
-}
-
-int ambapp_ahb_find(struct ambapp_bus *abus, int vendor, int device,
-	int index, ambapp_ahbdev *dev, int type)
-{
-	int found;
-	struct ambapp_find_ahb_info ahbdev;
-	unsigned int devid = AMBA_PNP_ID(vendor, device);
-
-	found = ambapp_find_ahb(abus, devid, index, type, &ahbdev);
-	if (found == 1)
-		ambapp_ahb_parse(&ahbdev, dev);
-
-	return found;
-}
-
-int ambapp_ahbmst_find(struct ambapp_bus *abus, int vendor, int device,
-	int index, ambapp_ahbdev *dev)
-{
-	return ambapp_ahb_find(abus, vendor, device, index, dev, DEV_AHB_MST);
-}
-
-int ambapp_ahbslv_find(struct ambapp_bus *abus, int vendor, int device,
-	int index, ambapp_ahbdev *dev)
-{
-	return ambapp_ahb_find(abus, vendor, device, index, dev, DEV_AHB_SLV);
-}
-
-int ambapp_ahb_count(struct ambapp_bus *abus, int vendor, int device, int type)
-{
-	int found;
-	struct ambapp_find_ahb_info ahbdev;
-	unsigned int devid = AMBA_PNP_ID(vendor, device);
-
-	found = ambapp_find_ahb(abus, devid, 63, type, &ahbdev);
-	if (found == 1)
-		return 64;
-	else
-		return 63 - ahbdev.dec_index;
-}
-
-int ambapp_ahbmst_count(struct ambapp_bus *abus, int vendor, int device)
-{
-	return ambapp_ahb_count(abus, vendor, device, DEV_AHB_MST);
-}
-
-int ambapp_ahbslv_count(struct ambapp_bus *abus, int vendor, int device)
-{
-	return ambapp_ahb_count(abus, vendor, device, DEV_AHB_SLV);
-}
-
-/* The define CONFIG_SYS_GRLIB_SINGLE_BUS may be defined on GRLIB systems
- * where only one AHB Bus is available - no bridges are present. This option
- * is available only to reduce the footprint.
- *
- * Defining this on a multi-bus GRLIB system may also work depending on the
- * design.
- */
-
-#ifndef CONFIG_SYS_GRLIB_SINGLE_BUS
-
-/* GAISLER AHB2AHB Version 1 Bridge Definitions */
-#define AHB2AHB_V1_FLAG_FFACT     0x0f0	/* Frequency factor against top bus */
-#define AHB2AHB_V1_FLAG_FFACT_DIR 0x100	/* Factor direction, 0=down, 1=up */
-#define AHB2AHB_V1_FLAG_MBUS      0x00c	/* Master bus number mask */
-#define AHB2AHB_V1_FLAG_SBUS      0x003	/* Slave bus number mask */
-
-/* Get Parent bus frequency. Note that since we go from a "child" bus
- * to a parent bus, the frequency factor direction is inverted.
- */
-unsigned int gaisler_ahb2ahb_v1_freq(ambapp_ahbdev *ahb, unsigned int freq)
-{
-	int dir;
-	unsigned char ffact;
-
-	/* Get division/multiple factor */
-	ffact = (ahb->userdef[0] & AHB2AHB_V1_FLAG_FFACT) >> 4;
-	if (ffact != 0) {
-		dir = ahb->userdef[0] & AHB2AHB_V1_FLAG_FFACT_DIR;
-
-		/* Calculate frequency by dividing or
-		 * multiplying system frequency
-		 */
-		if (dir)
-			freq = freq * ffact;
-		else
-			freq = freq / ffact;
-	}
-
-	return freq;
-}
-
-/* AHB2AHB and L2CACHE ver 2 is not supported yet. */
-unsigned int gaisler_ahb2ahb_v2_freq(ambapp_ahbdev *ahb, unsigned int freq)
-{
-	panic("gaisler_ahb2ahb_v2_freq: AHB2AHB ver 2 not supported\n");
-	return -1;
-}
-#endif
-
-/* Return the frequency of a AHB bus identified by index found
- * note that this is not the AHB Bus number.
- */
-unsigned int ambapp_bus_freq(struct ambapp_bus *abus, int ahb_bus_index)
-{
-	unsigned int freq = abus->freq;
-#ifndef CONFIG_SYS_GRLIB_SINGLE_BUS
-	unsigned int ioarea, ioarea_parent, bridge_pnp_ofs;
-	struct ambapp_find_ahb_info ahbinfo;
-	ambapp_ahbdev ahb;
-	int parent;
-
-	debug("ambapp_bus_freq: get freq on bus %d\n", ahb_bus_index);
-
-	while (ahb_bus_index != 0) {
-		debug("  BUS[0]: 0x%08x\n", abus->ioareas[0]);
-		debug("  BUS[1]: 0x%08x\n", abus->ioareas[1]);
-		debug("  BUS[2]: 0x%08x\n", abus->ioareas[2]);
-		debug("  BUS[3]: 0x%08x\n", abus->ioareas[3]);
-		debug("  BUS[4]: 0x%08x\n", abus->ioareas[4]);
-		debug("  BUS[5]: 0x%08x\n", abus->ioareas[5]);
-
-		/* Get I/O area of AHB bus */
-		ioarea = abus->ioareas[ahb_bus_index];
-
-		debug("  IOAREA: 0x%08x\n", ioarea);
-
-		/* Get parent bus */
-		parent = (ioarea & 0x7);
-		if (parent == 0) {
-			panic("%s: parent=0 indicates no parent! Stopping.\n",
-				__func__);
-			return -1;
-		}
-		parent = parent - 1;
-		bridge_pnp_ofs = ioarea & 0x7e0;
-
-		debug("  PARENT: %d\n", parent);
-		debug("  BRIDGE_OFS: 0x%08x\n", bridge_pnp_ofs);
-
-		/* Get AHB/AHB bridge PnP address */
-		ioarea_parent = (abus->ioareas[parent] & 0xfff00000) |
-				AMBA_CONF_AREA | AMBA_AHB_SLAVE_CONF_AREA;
-		ahbinfo.pnp = (struct ambapp_pnp_ahb *)
-				(ioarea_parent | bridge_pnp_ofs);
-
-		debug("  IOAREA PARENT: 0x%08x\n", ioarea_parent);
-		debug("  BRIDGE PNP: 0x%p\n", ahbinfo.pnp);
-
-		/* Parse the AHB information */
-		ahbinfo.ahb_bus_index = parent;
-		ambapp_ahb_parse(&ahbinfo, &ahb);
-
-		debug("  BRIDGE ID: VENDOR=%d(0x%x), DEVICE=%d(0x%x)\n",
-			ahb.vendor, ahb.vendor, ahb.device, ahb.device);
-
-		/* Different bridges may convert frequency differently */
-		if ((ahb.vendor == VENDOR_GAISLER) &&
-			((ahb.device == GAISLER_AHB2AHB) ||
-			(ahb.device == GAISLER_L2CACHE))) {
-			/* Get new frequency */
-			if (ahb.ver > 1)
-				freq = gaisler_ahb2ahb_v2_freq(&ahb, freq);
-			else
-				freq = gaisler_ahb2ahb_v1_freq(&ahb, freq);
-
-			debug("  NEW FREQ: %dHz\n", freq);
-		} else {
-			panic("%s: unsupported AMBA bridge\n", __func__);
-			return -1;
-		}
-
-		/* Step upwards towards system top bus */
-		ahb_bus_index = parent;
-	}
-#endif
-
-	debug("ambapp_bus_freq: %dHz\n", freq);
-
-	return freq;
-}