--- /dev/null
+/*
+<:copyright-gpl
+ Copyright 2002 Broadcom Corp. All Rights Reserved.
+
+ This program is free software; you can distribute it and/or modify it
+ under the terms of the GNU General Public License (Version 2) as
+ published by the Free Software Foundation.
+
+ This program is distributed in the hope it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+:>
+*/
+/*
+ * Generic setup routines for Broadcom 963xx MIPS boards
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/kdev_t.h>
+#include <linux/types.h>
+#include <linux/console.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/pm.h>
+
+#include <asm/addrspace.h>
+#include <asm/bcache.h>
+#include <asm/irq.h>
+#include <asm/time.h>
+#include <asm/reboot.h>
+#include <asm/gdb-stub.h>
+
+extern void brcm_time_init(void);
+extern unsigned long getMemorySize(void);
+
+#if defined(CONFIG_BCM96348) && defined(CONFIG_PCI)
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <bcm_map_part.h>
+#include <bcmpci.h>
+
+static volatile MpiRegisters * mpi = (MpiRegisters *)(MPI_BASE);
+#endif
+
+/* This function should be in a board specific directory. For now,
+ * assume that all boards that include this file use a Broadcom chip
+ * with a soft reset bit in the PLL control register.
+ */
+static void brcm_machine_restart(char *command)
+{
+ const unsigned long ulSoftReset = 0x00000001;
+ unsigned long *pulPllCtrl = (unsigned long *) 0xfffe0008;
+ *pulPllCtrl |= ulSoftReset;
+}
+
+static void brcm_machine_halt(void)
+{
+ printk("System halted\n");
+ while (1);
+}
+
+#if defined(CONFIG_BCM96348) && defined(CONFIG_PCI)
+
+static void mpi_SetLocalPciConfigReg(uint32 reg, uint32 value)
+{
+ /* write index then value */
+ mpi->pcicfgcntrl = PCI_CFG_REG_WRITE_EN + reg;;
+ mpi->pcicfgdata = value;
+}
+
+static uint32 mpi_GetLocalPciConfigReg(uint32 reg)
+{
+ /* write index then get value */
+ mpi->pcicfgcntrl = PCI_CFG_REG_WRITE_EN + reg;;
+ return mpi->pcicfgdata;
+}
+
+/*
+ * mpi_ResetPcCard: Set/Reset the PcCard
+ */
+static void mpi_ResetPcCard(int cardtype, BOOL bReset)
+{
+ if (cardtype == MPI_CARDTYPE_NONE) {
+ return;
+ }
+
+ if (cardtype == MPI_CARDTYPE_CARDBUS) {
+ bReset = ! bReset;
+ }
+
+ if (bReset) {
+ mpi->pcmcia_cntl1 = (mpi->pcmcia_cntl1 & ~PCCARD_CARD_RESET);
+ } else {
+ mpi->pcmcia_cntl1 = (mpi->pcmcia_cntl1 | PCCARD_CARD_RESET);
+ }
+}
+
+/*
+ * mpi_ConfigCs: Configure an MPI/EBI chip select
+ */
+static void mpi_ConfigCs(uint32 cs, uint32 base, uint32 size, uint32 flags)
+{
+ mpi->cs[cs].base = ((base & 0x1FFFFFFF) | size);
+ mpi->cs[cs].config = flags;
+}
+
+/*
+ * mpi_InitPcmciaSpace
+ */
+static void mpi_InitPcmciaSpace(void)
+{
+ // ChipSelect 4 controls PCMCIA Memory accesses
+ mpi_ConfigCs(PCMCIA_COMMON_BASE, pcmciaMem, EBI_SIZE_1M, (EBI_WORD_WIDE|EBI_ENABLE));
+ // ChipSelect 5 controls PCMCIA Attribute accesses
+ mpi_ConfigCs(PCMCIA_ATTRIBUTE_BASE, pcmciaAttr, EBI_SIZE_1M, (EBI_WORD_WIDE|EBI_ENABLE));
+ // ChipSelect 6 controls PCMCIA I/O accesses
+ mpi_ConfigCs(PCMCIA_IO_BASE, pcmciaIo, EBI_SIZE_64K, (EBI_WORD_WIDE|EBI_ENABLE));
+
+ mpi->pcmcia_cntl2 = ((PCMCIA_ATTR_ACTIVE << RW_ACTIVE_CNT_BIT) |
+ (PCMCIA_ATTR_INACTIVE << INACTIVE_CNT_BIT) |
+ (PCMCIA_ATTR_CE_SETUP << CE_SETUP_CNT_BIT) |
+ (PCMCIA_ATTR_CE_HOLD << CE_HOLD_CNT_BIT));
+
+ mpi->pcmcia_cntl2 |= (PCMCIA_HALFWORD_EN | PCMCIA_BYTESWAP_DIS);
+}
+
+/*
+ * cardtype_vcc_detect: PC Card's card detect and voltage sense connection
+ *
+ * CD1#/ CD2#/ VS1#/ VS2#/ Card Initial Vcc
+ * CCD1# CCD2# CVS1 CVS2 Type
+ *
+ * GND GND open open 16-bit 5 vdc
+ *
+ * GND GND GND open 16-bit 3.3 vdc
+ *
+ * GND GND open GND 16-bit x.x vdc
+ *
+ * GND GND GND GND 16-bit 3.3 & x.x vdc
+ *
+ *====================================================================
+ *
+ * CVS1 GND CCD1# open CardBus 3.3 vdc
+ *
+ * GND CVS2 open CCD2# CardBus x.x vdc
+ *
+ * GND CVS1 CCD2# open CardBus y.y vdc
+ *
+ * GND CVS2 GND CCD2# CardBus 3.3 & x.x vdc
+ *
+ * CVS2 GND open CCD1# CardBus x.x & y.y vdc
+ *
+ * GND CVS1 CCD2# open CardBus 3.3, x.x & y.y vdc
+ *
+ */
+static int cardtype_vcc_detect(void)
+{
+ uint32 data32;
+ int cardtype;
+
+ cardtype = MPI_CARDTYPE_NONE;
+ mpi->pcmcia_cntl1 = 0x0000A000; // Turn on the output enables and drive
+ // the CVS pins to 0.
+ data32 = mpi->pcmcia_cntl1;
+ switch (data32 & 0x00000003) // Test CD1# and CD2#, see if card is plugged in.
+ {
+ case 0x00000003: // No Card is in the slot.
+ printk("mpi: No Card is in the PCMCIA slot\n");
+ break;
+
+ case 0x00000002: // Partial insertion, No CD2#.
+ printk("mpi: Card in the PCMCIA slot partial insertion, no CD2 signal\n");
+ break;
+
+ case 0x00000001: // Partial insertion, No CD1#.
+ printk("mpi: Card in the PCMCIA slot partial insertion, no CD1 signal\n");
+ break;
+
+ case 0x00000000:
+ mpi->pcmcia_cntl1 = 0x0000A0C0; // Turn off the CVS output enables and
+ // float the CVS pins.
+ mdelay(1);
+ data32 = mpi->pcmcia_cntl1;
+ // Read the Register.
+ switch (data32 & 0x0000000C) // See what is on the CVS pins.
+ {
+ case 0x00000000: // CVS1 and CVS2 are tied to ground, only 1 option.
+ printk("mpi: Detected 3.3 & x.x 16-bit PCMCIA card\n");
+ cardtype = MPI_CARDTYPE_PCMCIA;
+ break;
+
+ case 0x00000004: // CVS1 is open or tied to CCD1/CCD2 and CVS2 is tied to ground.
+ // 2 valid voltage options.
+ switch (data32 & 0x00000003) // Test the values of CCD1 and CCD2.
+ {
+ case 0x00000003: // CCD1 and CCD2 are tied to 1 of the CVS pins.
+ // This is not a valid combination.
+ printk("mpi: Unknown card plugged into slot\n");
+ break;
+
+ case 0x00000002: // CCD2 is tied to either CVS1 or CVS2.
+ mpi->pcmcia_cntl1 = 0x0000A080; // Drive CVS1 to a 0.
+ mdelay(1);
+ data32 = mpi->pcmcia_cntl1;
+ if (data32 & 0x00000002) { // CCD2 is tied to CVS2, not valid.
+ printk("mpi: Unknown card plugged into slot\n");
+ } else { // CCD2 is tied to CVS1.
+ printk("mpi: Detected 3.3, x.x and y.y Cardbus card\n");
+ cardtype = MPI_CARDTYPE_CARDBUS;
+ }
+ break;
+
+ case 0x00000001: // CCD1 is tied to either CVS1 or CVS2.
+ // This is not a valid combination.
+ printk("mpi: Unknown card plugged into slot\n");
+ break;
+
+ case 0x00000000: // CCD1 and CCD2 are tied to ground.
+ printk("mpi: Detected x.x vdc 16-bit PCMCIA card\n");
+ cardtype = MPI_CARDTYPE_PCMCIA;
+ break;
+ }
+ break;
+
+ case 0x00000008: // CVS2 is open or tied to CCD1/CCD2 and CVS1 is tied to ground.
+ // 2 valid voltage options.
+ switch (data32 & 0x00000003) // Test the values of CCD1 and CCD2.
+ {
+ case 0x00000003: // CCD1 and CCD2 are tied to 1 of the CVS pins.
+ // This is not a valid combination.
+ printk("mpi: Unknown card plugged into slot\n");
+ break;
+
+ case 0x00000002: // CCD2 is tied to either CVS1 or CVS2.
+ mpi->pcmcia_cntl1 = 0x0000A040; // Drive CVS2 to a 0.
+ mdelay(1);
+ data32 = mpi->pcmcia_cntl1;
+ if (data32 & 0x00000002) { // CCD2 is tied to CVS1, not valid.
+ printk("mpi: Unknown card plugged into slot\n");
+ } else {// CCD2 is tied to CVS2.
+ printk("mpi: Detected 3.3 and x.x Cardbus card\n");
+ cardtype = MPI_CARDTYPE_CARDBUS;
+ }
+ break;
+
+ case 0x00000001: // CCD1 is tied to either CVS1 or CVS2.
+ // This is not a valid combination.
+ printk("mpi: Unknown card plugged into slot\n");
+ break;
+
+ case 0x00000000: // CCD1 and CCD2 are tied to ground.
+ cardtype = MPI_CARDTYPE_PCMCIA;
+ printk("mpi: Detected 3.3 vdc 16-bit PCMCIA card\n");
+ break;
+ }
+ break;
+
+ case 0x0000000C: // CVS1 and CVS2 are open or tied to CCD1/CCD2.
+ // 5 valid voltage options.
+
+ switch (data32 & 0x00000003) // Test the values of CCD1 and CCD2.
+ {
+ case 0x00000003: // CCD1 and CCD2 are tied to 1 of the CVS pins.
+ // This is not a valid combination.
+ printk("mpi: Unknown card plugged into slot\n");
+ break;
+
+ case 0x00000002: // CCD2 is tied to either CVS1 or CVS2.
+ // CCD1 is tied to ground.
+ mpi->pcmcia_cntl1 = 0x0000A040; // Drive CVS2 to a 0.
+ mdelay(1);
+ data32 = mpi->pcmcia_cntl1;
+ if (data32 & 0x00000002) { // CCD2 is tied to CVS1.
+ printk("mpi: Detected y.y vdc Cardbus card\n");
+ } else { // CCD2 is tied to CVS2.
+ printk("mpi: Detected x.x vdc Cardbus card\n");
+ }
+ cardtype = MPI_CARDTYPE_CARDBUS;
+ break;
+
+ case 0x00000001: // CCD1 is tied to either CVS1 or CVS2.
+ // CCD2 is tied to ground.
+
+ mpi->pcmcia_cntl1 = 0x0000A040; // Drive CVS2 to a 0.
+ mdelay(1);
+ data32 = mpi->pcmcia_cntl1;
+ if (data32 & 0x00000001) {// CCD1 is tied to CVS1.
+ printk("mpi: Detected 3.3 vdc Cardbus card\n");
+ } else { // CCD1 is tied to CVS2.
+ printk("mpi: Detected x.x and y.y Cardbus card\n");
+ }
+ cardtype = MPI_CARDTYPE_CARDBUS;
+ break;
+
+ case 0x00000000: // CCD1 and CCD2 are tied to ground.
+ cardtype = MPI_CARDTYPE_PCMCIA;
+ printk("mpi: Detected 5 vdc 16-bit PCMCIA card\n");
+ break;
+ }
+ break;
+
+ default:
+ printk("mpi: Unknown card plugged into slot\n");
+ break;
+
+ }
+ }
+ return cardtype;
+}
+
+/*
+ * mpi_DetectPcCard: Detect the plugged in PC-Card
+ * Return: < 0 => Unknown card detected
+ * 0 => No card detected
+ * 1 => 16-bit card detected
+ * 2 => 32-bit CardBus card detected
+ */
+static int mpi_DetectPcCard(void)
+{
+ int cardtype;
+
+ cardtype = cardtype_vcc_detect();
+ switch(cardtype) {
+ case MPI_CARDTYPE_PCMCIA:
+ mpi->pcmcia_cntl1 &= ~0x0000e000; // disable enable bits
+ //mpi->pcmcia_cntl1 = (mpi->pcmcia_cntl1 & ~PCCARD_CARD_RESET);
+ mpi->pcmcia_cntl1 |= (PCMCIA_ENABLE | PCMCIA_GPIO_ENABLE);
+ mpi_InitPcmciaSpace();
+ mpi_ResetPcCard(cardtype, FALSE);
+ // Hold card in reset for 10ms
+ mdelay(10);
+ mpi_ResetPcCard(cardtype, TRUE);
+ // Let card come out of reset
+ mdelay(100);
+ break;
+ case MPI_CARDTYPE_CARDBUS:
+ // 8 => CardBus Enable
+ // 1 => PCI Slot Number
+ // C => Float VS1 & VS2
+ mpi->pcmcia_cntl1 = (mpi->pcmcia_cntl1 & 0xFFFF0000) |
+ CARDBUS_ENABLE |
+ (CARDBUS_SLOT << 8)|
+ VS2_OEN |
+ VS1_OEN;
+ /* access to this memory window will be to/from CardBus */
+ mpi->l2pmremap1 |= CARDBUS_MEM;
+
+ // Need to reset the Cardbus Card. There's no CardManager to do this,
+ // and we need to be ready for PCI configuration.
+ mpi_ResetPcCard(cardtype, FALSE);
+ // Hold card in reset for 10ms
+ mdelay(10);
+ mpi_ResetPcCard(cardtype, TRUE);
+ // Let card come out of reset
+ mdelay(100);
+ break;
+ default:
+ break;
+ }
+ return cardtype;
+}
+
+static int mpi_init(void)
+{
+ unsigned long data;
+ unsigned int chipid;
+ unsigned int chiprev;
+ unsigned int sdramsize;
+
+ chipid = (PERF->RevID & 0xFFFF0000) >> 16;
+ chiprev = (PERF->RevID & 0xFF);
+ sdramsize = getMemorySize();
+ /*
+ * Init the pci interface
+ */
+ data = GPIO->GPIOMode; // GPIO mode register
+ data |= GROUP2_PCI | GROUP1_MII_PCCARD; // PCI internal arbiter + Cardbus
+ GPIO->GPIOMode = data; // PCI internal arbiter
+
+ /*
+ * In the BCM6348 CardBus support is defaulted to Slot 0
+ * because there is no external IDSEL for CardBus. To disable
+ * the CardBus and allow a standard PCI card in Slot 0
+ * set the cbus_idsel field to 0x1f.
+ */
+ /*
+ uData = mpi->pcmcia_cntl1;
+ uData |= CARDBUS_IDSEL;
+ mpi->pcmcia_cntl1 = uData;
+ */
+ // Setup PCI I/O Window range. Give 64K to PCI I/O
+ mpi->l2piorange = ~(BCM_PCI_IO_SIZE_64KB-1);
+ // UBUS to PCI I/O base address
+ mpi->l2piobase = BCM_PCI_IO_BASE & BCM_PCI_ADDR_MASK;
+ // UBUS to PCI I/O Window remap
+ mpi->l2pioremap = (BCM_PCI_IO_BASE | MEM_WINDOW_EN);
+
+ // enable PCI related GPIO pins and data swap between system and PCI bus
+ mpi->locbuscntrl = (EN_PCI_GPIO | DIR_U2P_NOSWAP);
+
+ /* Enable 6348 BusMaster and Memory access mode */
+ data = mpi_GetLocalPciConfigReg(PCI_COMMAND);
+ data |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
+ mpi_SetLocalPciConfigReg(PCI_COMMAND, data);
+
+ /* Configure two 16 MByte PCI to System memory regions. */
+ /* These memory regions are used when PCI device is a bus master */
+ /* Accesses to the SDRAM from PCI bus will be "byte swapped" for this region */
+ mpi_SetLocalPciConfigReg(PCI_BASE_ADDRESS_3, BCM_HOST_MEM_SPACE1);
+ mpi->sp0remap = 0x0;
+
+ /* Accesses to the SDRAM from PCI bus will not be "byte swapped" for this region */
+ mpi_SetLocalPciConfigReg(PCI_BASE_ADDRESS_4, BCM_HOST_MEM_SPACE2);
+ mpi->sp1remap = 0x0;
+ mpi->pcimodesel |= (PCI_BAR2_NOSWAP | 0x40);
+
+ if ((chipid == 0x6348) && (chiprev == 0xb0)) {
+ mpi->sp0range = ~(sdramsize-1);
+ mpi->sp1range = ~(sdramsize-1);
+ }
+ /*
+ * Change 6348 PCI Cfg Reg. offset 0x40 to PCI memory read retry count infinity
+ * by set 0 in bit 8~15. This resolve read Bcm4306 srom return 0xffff in
+ * first read.
+ */
+ data = mpi_GetLocalPciConfigReg(BRCM_PCI_CONFIG_TIMER);
+ data &= ~BRCM_PCI_CONFIG_TIMER_RETRY_MASK;
+ data |= 0x00000080;
+ mpi_SetLocalPciConfigReg(BRCM_PCI_CONFIG_TIMER, data);
+
+ /* enable pci interrupt */
+ mpi->locintstat |= (EXT_PCI_INT << 16);
+
+ mpi_DetectPcCard();
+
+ ioport_resource.start = BCM_PCI_IO_BASE;
+ ioport_resource.end = BCM_PCI_IO_BASE + BCM_PCI_IO_SIZE_64KB;
+
+#if defined(CONFIG_USB)
+ PERF->blkEnables |= USBH_CLK_EN;
+ mdelay(100);
+ *USBH_NON_OHCI = NON_OHCI_BYTE_SWAP;
+#endif
+
+ return 0;
+}
+#endif
+
+static int __init brcm63xx_setup(void)
+{
+ extern int panic_timeout;
+
+ _machine_restart = brcm_machine_restart;
+ _machine_halt = brcm_machine_halt;
+ pm_power_off = brcm_machine_halt;
+
+ board_time_init = brcm_time_init;
+
+ panic_timeout = 5;
+
+#if defined(CONFIG_BCM96348) && defined(CONFIG_PCI)
+ /* mpi initialization */
+ mpi_init();
+#endif
+ return 0;
+}
+
+void __init plat_mem_setup(void)
+{
+ brcm63xx_setup();
+}
+
+/***************************************************************************
+ * C++ New and delete operator functions
+ ***************************************************************************/
+
+/* void *operator new(unsigned int sz) */
+void *_Znwj(unsigned int sz)
+{
+ return( kmalloc(sz, GFP_KERNEL) );
+}
+
+/* void *operator new[](unsigned int sz)*/
+void *_Znaj(unsigned int sz)
+{
+ return( kmalloc(sz, GFP_KERNEL) );
+}
+
+/* placement new operator */
+/* void *operator new (unsigned int size, void *ptr) */
+void *ZnwjPv(unsigned int size, void *ptr)
+{
+ return ptr;
+}
+
+/* void operator delete(void *m) */
+void _ZdlPv(void *m)
+{
+ kfree(m);
+}
+
+/* void operator delete[](void *m) */
+void _ZdaPv(void *m)
+{
+ kfree(m);
+}
+
+EXPORT_SYMBOL(_Znwj);
+EXPORT_SYMBOL(_Znaj);
+EXPORT_SYMBOL(ZnwjPv);
+EXPORT_SYMBOL(_ZdlPv);
+EXPORT_SYMBOL(_ZdaPv);
+
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