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generated by cgit v1.2.2 (git 2.25.0) at 2025-10-07 09:51:01 -0400
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/*
 * Sonics Silicon Backplane
 * Bus scanning
 *
 * Copyright (C) 2005-2007 Michael Buesch <mb@bu3sch.de>
 * Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
 * Copyright (C) 2005 Stefano Brivio <st3@riseup.net>
 * Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
 * Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
 * Copyright (C) 2006 Broadcom Corporation.
 *
 * Licensed under the GNU/GPL. See COPYING for details.
 */

#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_regs.h>
#include <linux/pci.h>
#include <linux/io.h>

#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>

#include "ssb_private.h"


const char *ssb_core_name(u16 coreid)
{
	switch (coreid) {
	case SSB_DEV_CHIPCOMMON:
		return "ChipCommon";
	case SSB_DEV_ILINE20:
		return "ILine 20";
	case SSB_DEV_SDRAM:
		return "SDRAM";
	case SSB_DEV_PCI:
		return "PCI";
	case SSB_DEV_MIPS:
		return "MIPS";
	case SSB_DEV_ETHERNET:
		return "Fast Ethernet";
	case SSB_DEV_V90:
		return "V90";
	case SSB_DEV_USB11_HOSTDEV:
		return "USB 1.1 Hostdev";
	case SSB_DEV_ADSL:
		return "ADSL";
	case SSB_DEV_ILINE100:
		return "ILine 100";
	case SSB_DEV_IPSEC:
		return "IPSEC";
	case SSB_DEV_PCMCIA:
		return "PCMCIA";
	case SSB_DEV_INTERNAL_MEM:
		return "Internal Memory";
	case SSB_DEV_MEMC_SDRAM:
		return "MEMC SDRAM";
	case SSB_DEV_EXTIF:
		return "EXTIF";
	case SSB_DEV_80211:
		return "IEEE 802.11";
	case SSB_DEV_MIPS_3302:
		return "MIPS 3302";
	case SSB_DEV_USB11_HOST:
		return "USB 1.1 Host";
	case SSB_DEV_USB11_DEV:
		return "USB 1.1 Device";
	case SSB_DEV_USB20_HOST:
		return "USB 2.0 Host";
	case SSB_DEV_USB20_DEV:
		return "USB 2.0 Device";
	case SSB_DEV_SDIO_HOST:
		return "SDIO Host";
	case SSB_DEV_ROBOSWITCH:
		return "Roboswitch";
	case SSB_DEV_PARA_ATA:
		return "PATA";
	case SSB_DEV_SATA_XORDMA:
		return "SATA XOR-DMA";
	case SSB_DEV_ETHERNET_GBIT:
		return "GBit Ethernet";
	case SSB_DEV_PCIE:
		return "PCI-E";
	case SSB_DEV_MIMO_PHY:
		return "MIMO PHY";
	case SSB_DEV_SRAM_CTRLR:
		return "SRAM Controller";
	case SSB_DEV_MINI_MACPHY:
		return "Mini MACPHY";
	case SSB_DEV_ARM_1176:
		return "ARM 1176";
	case SSB_DEV_ARM_7TDMI:
		return "ARM 7TDMI";
	}
	return "UNKNOWN";
}

static u16 pcidev_to_chipid(struct pci_dev *pci_dev)
{
	u16 chipid_fallback = 0;

	switch (pci_dev->device) {
	case 0x4301:
		chipid_fallback = 0x4301;
		break;
	case 0x4305 ... 0x4307:
		chipid_fallback = 0x4307;
		break;
	case 0x4403:
		chipid_fallback = 0x4402;
		break;
	case 0x4610 ... 0x4615:
		chipid_fallback = 0x4610;
		break;
	case 0x4710 ... 0x4715:
		chipid_fallback = 0x4710;
		break;
	case 0x4320 ... 0x4325:
		chipid_fallback = 0x4309;
		break;
	case PCI_DEVICE_ID_BCM4401:
	case PCI_DEVICE_ID_BCM4401B0:
	case PCI_DEVICE_ID_BCM4401B1:
		chipid_fallback = 0x4401;
		break;
	default:
		ssb_printk(KERN_ERR PFX
			   "PCI-ID not in fallback list\n");
	}

	return chipid_fallback;
}

static u8 chipid_to_nrcores(u16 chipid)
{
	switch (chipid) {
	case 0x5365:
		return 7;
	case 0x4306:
		return 6;
	case 0x4310:
		return 8;
	case 0x4307:
	case 0x4301:
		return 5;
	case 0x4401:
	case 0x4402:
		return 3;
	case 0x4710:
	case 0x4610:
	case 0x4704:
		return 9;
	default:
		ssb_printk(KERN_ERR PFX
			   "CHIPID not in nrcores fallback list\n");
	}

	return 1;
}

static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx,
		       u16 offset)
{
	u32 lo, hi;

	switch (bus->bustype) {
	case SSB_BUSTYPE_SSB:
		offset += current_coreidx * SSB_CORE_SIZE;
		break;
	case SSB_BUSTYPE_PCI:
		break;
	case SSB_BUSTYPE_PCMCIA:
		if (offset >= 0x800) {
			ssb_pcmcia_switch_segment(bus, 1);