diff options
Diffstat (limited to 'board/sc3/sc3.c')
| -rw-r--r-- | board/sc3/sc3.c | 779 | 
1 files changed, 779 insertions, 0 deletions
| diff --git a/board/sc3/sc3.c b/board/sc3/sc3.c new file mode 100644 index 000000000..d94896ecd --- /dev/null +++ b/board/sc3/sc3.c @@ -0,0 +1,779 @@ +/* + * (C) Copyright 2007 + * Heiko Schocher, DENX Software Engineering, <hs@denx.de>. + * + * (C) Copyright 2003 + * Juergen Beisert, EuroDesign embedded technologies, info@eurodsn.de + * Derived from walnut.c + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that 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 + * + * $Log:$ + */ + +#include <common.h> +#include <asm/processor.h> +#include <asm/io.h> +#include "sc3.h" +#include <pci.h> +#include <i2c.h> +#include <malloc.h> + +#undef writel +#undef writeb +#define writeb(b,addr) ((*(volatile u8 *) (addr)) = (b)) +#define writel(b,addr) ((*(volatile u32 *) (addr)) = (b)) + +/* write only register to configure things in our CPLD */ +#define CPLD_CONTROL_1	0x79000102 +#define CPLD_VERSION	0x79000103 + +#define	IS_CAMERON ((*(unsigned char *)(CPLD_VERSION)== 0x32) ? 1 : 0) + +static struct pci_controller hose={0,}; + +/************************************************************ + * Standard definition + ************************************************************/ + +/* CPC0_CR0        Function                                 ISA bus +	-  GPIO0 +	-  GPIO1      -> Output: NAND-Command Latch Enable +	-  GPIO2      -> Output: NAND Address Latch Enable +	-  GPIO3      -> IRQ input                               ISA-IRQ #5 (through CPLD) +	-  GPIO4      -> Output: NAND-Chip Enable +	-  GPIO5      -> IRQ input                               ISA-IRQ#7 (through CPLD) +	-  GPIO6      -> IRQ input                               ISA-IRQ#9 (through CPLD) +	-  GPIO7      -> IRQ input                               ISA-IRQ#10 (through CPLD) +	-  GPIO8      -> IRQ input                               ISA-IRQ#11 (through CPLD) +	-  GPIO9      -> IRQ input                               ISA-IRQ#12 (through CPLD) +	- GPIO10/CS1# -> CS1# NAND                               ISA-CS#0 +	- GPIO11/CS2# -> CS2# ISA emulation                      ISA-CS#1 +	- GPIO12/CS3# -> CS3# 2nd Flash-Bank                     ISA-CS#2 or ISA-CS#7 +	- GPIO13/CS4# -> CS4# USB HC or ISA emulation            ISA-CS#3 +	- GPIO14/CS5# -> CS5# Boosted IDE access                 ISA-CS#4 +	- GPIO15/CS6# -> CS6# ISA emulation                      ISA-CS#5 +	- GPIO16/CS7# -> CS7# ISA emulation                      ISA-CS#6 +	- GPIO17/IRQ0 -> GPIO, in, NAND-Ready/Busy# line         ISA-IRQ#3 +	- GPIO18/IRQ1 -> IRQ input                               ISA-IRQ#14 +	- GPIO19/IRQ2 -> IRQ input or USB                        ISA-IRQ#4 +	- GPIO20/IRQ3 -> IRQ input                               PCI-IRQ#D +	- GPIO21/IRQ4 -> IRQ input                               PCI-IRQ#C +	- GPIO22/IRQ5 -> IRQ input                               PCI-IRQ#B +	- GPIO23/IRQ6 -> IRQ input                               PCI-IRQ#A +	- GPIO24 -> if GPIO output: 0=JTAG CPLD activ, 1=JTAG CPLD inactiv +*/ +/* +| CPLD register: io-space at offset 0x102 (write only) +| 0 +| 1 +| 2 0=CS#4 USB CS#, 1=ISA or GP bus +| 3 +| 4 +| 5 +| 6 1=enable faster IDE access +| 7 +*/ +#define USB_CHIP_ENABLE 0x04 +#define IDE_BOOSTING 0x40 + +/* --------------- USB stuff ------------------------------------- */ +#ifdef CONFIG_ISP1161_PRESENT +/** + * initUsbHost- Initialize the Philips isp1161 HC part if present + * @cpldConfig: Pointer to value in write only CPLD register + * + * Initialize the USB host controller if present and fills the + * scratch register to inform the driver about used resources + */ + +static void initUsbHost (unsigned char *cpldConfig) +{ +	int i; +	unsigned long usbBase; +	/* +	 * Read back where init.S has located the USB chip +	 */ +	mtdcr (0x012, 0x04); +	usbBase = mfdcr (0x013); +	if (!(usbBase & 0x18000))	/* enabled? */ +		return; +	usbBase &= 0xFFF00000; + +	/* +	 * to test for the USB controller enable using of CS#4 and DMA 3 for USB access +	 */ +	writeb (*cpldConfig | USB_CHIP_ENABLE,CPLD_CONTROL_1); + +	/* +	 * first check: is the controller assembled? +	 */ +	hcWriteWord (usbBase, 0x5555, HcScratch); +	if (hcReadWord (usbBase, HcScratch) == 0x5555) { +		hcWriteWord (usbBase, 0xAAAA, HcScratch); +		if (hcReadWord (usbBase, HcScratch) == 0xAAAA) { +			if ((hcReadWord (usbBase, HcChipID) & 0xFF00) != 0x6100) +				return;	/* this is not our controller */ +		/* +		 * try a software reset. This needs up to 10 seconds (see datasheet) +		 */ +			hcWriteDWord (usbBase, 0x00000001, HcCommandStatus); +			for (i = 1000; i > 0; i--) {	/* loop up to 10 seconds */ +				udelay (10); +				if (!(hcReadDWord (usbBase, HcCommandStatus) & 0x01)) +					break; +			} + +			if (!i) +				return;  /* the controller doesn't responding. Broken? */ +		/* +		 * OK. USB controller is ready. Initialize it in such way the later driver +		 * can us it (without any knowing about specific implementation) +		 */ +			hcWriteDWord (usbBase, 0x00000000, HcControl); +		/* +		 * disable all interrupt sources. Because we +		 * don't know where we come from (hard reset, cold start, soft reset...) +		 */ +			hcWriteDWord (usbBase, 0x8000007D, HcInterruptDisable); +		/* +		 * our current setup hardware configuration +		 * - every port power supply can switched indepently +		 * - every port can signal overcurrent +		 * - every port is "outside" and the devices are removeable +		 */ +			hcWriteDWord (usbBase, 0x32000902, HcRhDescriptorA); +			hcWriteDWord (usbBase, 0x00060000, HcRhDescriptorB); +		/* +		 * don't forget to switch off power supply of each port +		 * The later running driver can reenable them to find and use +		 * the (maybe) connected devices. +		 * +		 */ +			hcWriteDWord (usbBase, 0x00000200, HcRhPortStatus1); +			hcWriteDWord (usbBase, 0x00000200, HcRhPortStatus2); +			hcWriteWord (usbBase, 0x0428, HcHardwareConfiguration); +			hcWriteWord (usbBase, 0x0040, HcDMAConfiguration); +			hcWriteWord (usbBase, 0x0000, HcuPInterruptEnable); +			hcWriteWord (usbBase, 0xA000 | (0x03 << 8) | 27, HcScratch); +		/* +		 * controller is present and usable +		 */ +			*cpldConfig |= USB_CHIP_ENABLE; +		} +	} +} +#endif + +#if defined(CONFIG_START_IDE) +int board_start_ide(void) +{ +	if (IS_CAMERON) { +		puts ("no IDE on cameron board.\n"); +		return 0; +	} +	return 1; +} +#endif + +static int sc3_cameron_init (void) +{ +	/* Set up the Memory Controller for the CAMERON version */ +	mtebc (pb4ap, 0x01805940); +	mtebc (pb4cr, 0x7401a000); +	mtebc (pb5ap, 0x01805940); +	mtebc (pb5cr, 0x7401a000); +	mtebc (pb6ap, 0x0); +	mtebc (pb6cr, 0x0); +	mtebc (pb7ap, 0x0); +	mtebc (pb7cr, 0x0); +	return 0; +} + +void sc3_read_eeprom (void) +{ +	uchar i2c_buffer[18]; + +	i2c_read (0x50, 0x03, 1, i2c_buffer, 9); +	i2c_buffer[9] = 0; +	setenv ("serial#", (char *)i2c_buffer); + +	/* read mac-address from eeprom */ +	i2c_read (0x50, 0x11, 1, i2c_buffer, 15); +	i2c_buffer[17] = 0; +	i2c_buffer[16] = i2c_buffer[14]; +	i2c_buffer[15] = i2c_buffer[13]; +	i2c_buffer[14] = ':'; +	i2c_buffer[13] = i2c_buffer[12]; +	i2c_buffer[12] = i2c_buffer[11]; +	i2c_buffer[11] = ':'; +	i2c_buffer[8] = ':'; +	i2c_buffer[5] = ':'; +	i2c_buffer[2] = ':'; +	setenv ("ethaddr", (char *)i2c_buffer); +} + +int board_early_init_f (void) +{ +	/* write only register to configure things in our CPLD */ +	unsigned char cpldConfig_1=0x00; + +/*-------------------------------------------------------------------------+ +| Interrupt controller setup for the SolidCard III CPU card (plus Evaluation board). +| +| Note: IRQ 0  UART 0, active high; level sensitive +|       IRQ 1  UART 1, active high; level sensitive +|       IRQ 2  IIC, active high; level sensitive +|       IRQ 3  Ext. master, rising edge, edge sensitive +|       IRQ 4  PCI, active high; level sensitive +|       IRQ 5  DMA Channel 0, active high; level sensitive +|       IRQ 6  DMA Channel 1, active high; level sensitive +|       IRQ 7  DMA Channel 2, active high; level sensitive +|       IRQ 8  DMA Channel 3, active high; level sensitive +|       IRQ 9  Ethernet Wakeup, active high; level sensitive +|       IRQ 10 MAL System Error (SERR), active high; level sensitive +|       IRQ 11 MAL Tx End of Buffer, active high; level sensitive +|       IRQ 12 MAL Rx End of Buffer, active high; level sensitive +|       IRQ 13 MAL Tx Descriptor Error, active high; level sensitive +|       IRQ 14 MAL Rx Descriptor Error, active high; level sensitive +|       IRQ 15 Ethernet, active high; level sensitive +|       IRQ 16 External PCI SERR, active high; level sensitive +|       IRQ 17 ECC Correctable Error, active high; level sensitive +|       IRQ 18 PCI Power Management, active high; level sensitive +| +|       IRQ 19 (EXT IRQ7 405GPr only) +|       IRQ 20 (EXT IRQ8 405GPr only) +|       IRQ 21 (EXT IRQ9 405GPr only) +|       IRQ 22 (EXT IRQ10 405GPr only) +|       IRQ 23 (EXT IRQ11 405GPr only) +|       IRQ 24 (EXT IRQ12 405GPr only) +| +|       IRQ 25 (EXT IRQ 0) NAND-Flash R/B# (raising edge means flash is ready) +|       IRQ 26 (EXT IRQ 1) IDE0 interrupt (x86 = IRQ14). Active high (edge sensitive) +|       IRQ 27 (EXT IRQ 2) USB controller +|       IRQ 28 (EXT IRQ 3) INT D, VGA; active low; level sensitive +|       IRQ 29 (EXT IRQ 4) INT C, Ethernet; active low; level sensitive +|       IRQ 30 (EXT IRQ 5) INT B, PC104+ SLOT; active low; level sensitive +|       IRQ 31 (EXT IRQ 6) INT A, PC104+ SLOT; active low; level sensitive +| +| Direct Memory Access Controller Signal Polarities +|       DRQ0 active high (like ISA) +|       ACK0 active low (like ISA) +|       EOT0 active high (like ISA) +|       DRQ1 active high (like ISA) +|       ACK1 active low (like ISA) +|       EOT1 active high (like ISA) +|       DRQ2 active high (like ISA) +|       ACK2 active low (like ISA) +|       EOT2 active high (like ISA) +|       DRQ3 active high (like ISA) +|       ACK3 active low (like ISA) +|       EOT3 active high (like ISA) +| ++-------------------------------------------------------------------------*/ + +	writeb (cpldConfig_1, CPLD_CONTROL_1);	/* disable everything in CPLD */ + +	mtdcr (uicsr, 0xFFFFFFFF);    /* clear all ints */ +	mtdcr (uicer, 0x00000000);    /* disable all ints */ +	mtdcr (uiccr, 0x00000000);    /* set all to be non-critical */ + +	if (IS_CAMERON) { +		sc3_cameron_init(); +		mtdcr (0x0B6, 0x18000000); +		mtdcr (uicpr, 0xFFFFFFF0); +		mtdcr (uictr, 0x10001030); +	} else { +		mtdcr (0x0B6, 0x0000000); +		mtdcr (uicpr, 0xFFFFFFE0); +		mtdcr (uictr, 0x10000020); +	} +	mtdcr (uicvcr, 0x00000001);   /* set vect base=0,INT0 highest priority */ +	mtdcr (uicsr, 0xFFFFFFFF);    /* clear all ints */ + +	/* setup other implementation specific details */ +	mtdcr (ecr, 0x60606000); + +	mtdcr (cntrl1, 0x000042C0); + +	if (IS_CAMERON) { +		mtdcr (cntrl0, 0x01380000); +		/* Setup the GPIOs */ +		writel (0x08008000, 0xEF600700);	/* Output states */ +		writel (0x00000000, 0xEF600718);	/* Open Drain control */ +		writel (0x68098000, 0xEF600704);	/* Output control */ +	} else { +		mtdcr (cntrl0,0x00080000); +		/* Setup the GPIOs */ +		writel (0x08000000, 0xEF600700);	/* Output states */ +		writel (0x14000000, 0xEF600718);	/* Open Drain control */ +		writel (0x7C000000, 0xEF600704);	/* Output control */ +	} + +	/* Code decompression disabled */ +	mtdcr (kiar, kconf); +	mtdcr (kidr, 0x2B); + +	/* CPC0_ER: enable sleep mode of (currently) unused components */ +	/* CPC0_FR: force unused components into sleep mode */ +	mtdcr (cpmer, 0x3F800000); +	mtdcr (cpmfr, 0x14000000); + +	/* set PLB priority */ +	mtdcr (0x87, 0x08000000); + +	/* --------------- DMA stuff ------------------------------------- */ +	mtdcr (0x126, 0x49200000); + +#ifndef IDE_USES_ISA_EMULATION +	cpldConfig_1 |= IDE_BOOSTING;	/* enable faster IDE */ +	/* cpldConfig |= 0x01; */	/* enable 8.33MHz output, if *not* present on your baseboard */ +	writeb (cpldConfig_1, CPLD_CONTROL_1); +#endif + +#ifdef CONFIG_ISP1161_PRESENT +	initUsbHost (&cpldConfig_1); +	writeb (cpldConfig_1, CPLD_CONTROL_1); +#endif +	return(0); +} + +int misc_init_r (void) +{ +	char *s1; +	int i, xilinx_val; +	volatile char *xilinx_adr; +	xilinx_adr = (char *)0x79000102; + +	*xilinx_adr = 0x00; + +/* customer settings ***************************************** */ +/* +	s1 = getenv ("function"); +	if (s1) { +		if (!strcmp (s1, "Rosho")) { +			printf ("function 'Rosho' activated\n"); +			*xilinx_adr = 0x40; +		} +		else { +			printf (">>>>>>>>>> function %s not recognized\n",s1); +		} +	} +*/ + +/* individual settings ***************************************** */ +	if ((s1 = getenv ("xilinx"))) { +		i=0; +		xilinx_val = 0; +		while (i < 3 && s1[i]) { +			if (s1[i] >= '0' && s1[i] <= '9') +				xilinx_val = (xilinx_val << 4) + s1[i] - '0'; +			else +				if (s1[i] >= 'A' && s1[i] <= 'F') +					xilinx_val = (xilinx_val << 4) + s1[i] - 'A' + 10; +				else +					if (s1[i] >= 'a' && s1[i] <= 'f') +						xilinx_val = (xilinx_val << 4) + s1[i] - 'a' + 10; +					else { +						xilinx_val = -1; +						break; +					} +			i++; +		} +		if (xilinx_val >= 0 && xilinx_val <=255 && i < 3) { +			printf ("Xilinx: set to %s\n", s1); +			*xilinx_adr = (unsigned char) xilinx_val; +		} else +			printf ("Xilinx: rejected value %s\n", s1); +	} +	return 0; +} + +/* ------------------------------------------------------------------------- + * printCSConfig + * + * Print some informations about chips select configurations + * Only used while debugging. + * + * Params: + * - No. of CS pin + * - AP of this CS + * - CR of this CS + * + * Returns + * nothing +   ------------------------------------------------------------------------- */ + +#ifdef SC3_DEBUGOUT +static void printCSConfig(int reg,unsigned long ap,unsigned long cr) +{ +	const char *bsize[4] = {"8","16","32","?"}; +	const unsigned char banks[8] = {1, 2, 4, 8, 16, 32, 64, 128}; +	const char *bankaccess[4] = {"disabled", "RO", "WO", "RW"}; + +#define CYCLE 30  /* time of one clock (based on 33MHz) */ + +	printf("\nCS#%d",reg); +	if (!(cr & 0x00018000)) +		puts(" unused"); +	else { +		if (((cr&0xFFF00000U) & ((banks[(cr & 0x000E0000) >> 17]-1) << 20))) +			puts(" Address is not multiple of bank size!"); + +		printf("\n -%s bit device", +			bsize[(cr & 0x00006000) >> 13]); +		printf(" at 0x%08lX", cr & 0xFFF00000U); +		printf(" size: %u MB", banks[(cr & 0x000E0000) >> 17]); +		printf(" rights: %s", bankaccess[(cr & 0x00018000) >> 15]); +   	   	if (ap & 0x80000000) { +			printf("\n -Burst device (%luns/%luns)", +				(((ap & 0x7C000000) >> 26) + 1) * CYCLE, +				(((ap & 0x03800000) >> 23) + 1) * CYCLE); +		} else { +			printf("\n -Non burst device, active cycle %luns", +				(((ap & 0x7F800000) >> 23) + 1) * CYCLE); +			printf("\n -Address setup %luns", +				((ap & 0xC0000) >> 18) * CYCLE); +			printf("\n -CS active to RD %luns/WR %luns", +				((ap & 0x30000) >> 16) * CYCLE, +				((ap & 0xC000) >> 14) * CYCLE); +			printf("\n -WR to CS inactive %luns", +				((ap & 0x3000) >> 12) * CYCLE); +			printf("\n -Hold after access %luns", +				((ap & 0xE00) >> 9) * CYCLE); +			printf("\n -Ready is %sabled", +				ap & 0x100 ? "en" : "dis"); +		} +	} +} +#endif + +#ifdef SC3_DEBUGOUT + +static unsigned int ap[] = {pb0ap, pb1ap, pb2ap, pb3ap, pb4ap, +				pb5ap, pb6ap, pb7ap}; +static unsigned int cr[] = {pb0cr, pb1cr, pb2cr, pb3cr, pb4cr, +				pb5cr, pb6cr, pb7cr}; + +static int show_reg (int nr) +{ +	unsigned long ul1, ul2; + +	mtdcr (ebccfga, ap[nr]); +	ul1 = mfdcr (ebccfgd); +	mtdcr (ebccfga, cr[nr]); +	ul2 = mfdcr(ebccfgd); +	printCSConfig(nr, ul1, ul2); +	return 0; +} +#endif + +int checkboard (void) +{ +#ifdef SC3_DEBUGOUT +	unsigned long ul1; +	int	i; + +	for (i = 0; i < 8; i++) { +		show_reg (i); +	} + +	mtdcr (ebccfga, epcr); +	ul1 = mfdcr (ebccfgd); + +	puts ("\nGeneral configuration:\n"); + +	if (ul1 & 0x80000000) +		printf(" -External Bus is always driven\n"); + +	if (ul1 & 0x400000) +		printf(" -CS signals are always driven\n"); + +	if (ul1 & 0x20000) +		printf(" -PowerDown after %lu clocks\n", +			(ul1 & 0x1F000) >> 7); + +	switch (ul1 & 0xC0000) +	{ +	case 0xC0000: +		printf(" -No external master present\n"); +		break; +	case 0x00000: +		printf(" -8 bit external master present\n"); +		break; +	case 0x40000: +		printf(" -16 bit external master present\n"); +		break; +	case 0x80000: +		printf(" -32 bit external master present\n"); +		break; +	} + +	switch (ul1 & 0x300000) +	{ +	case 0x300000: +		printf(" -Prefetch: Illegal setting!\n"); +		break; +	case 0x000000: +		printf(" -1 doubleword prefetch\n"); +		break; +	case 0x100000: +		printf(" -2 doublewords prefetch\n"); +		break; +	case 0x200000: +		printf(" -4 doublewords prefetch\n"); +		break; +	} +	putc ('\n'); +#endif +	printf("Board: SolidCard III %s %s version.\n", +		(IS_CAMERON ? "Cameron" : "Eurodesign"), CONFIG_SC3_VERSION); +	return 0; +} + +static int printSDRAMConfig(char reg, unsigned long cr) +{ +	const int bisize[8]={4, 8, 16, 32, 64, 128, 256, 0}; +#ifdef SC3_DEBUGOUT +	const char *basize[8]= +		{"4", "8", "16", "32", "64", "128", "256", "Reserved"}; + +	printf("SDRAM bank %d",reg); + +	if (!(cr & 0x01)) +		puts(" disabled\n"); +	else { +		printf(" at 0x%08lX, size %s MB",cr & 0xFFC00000,basize[(cr&0xE0000)>>17]); +		printf(" mode %lu\n",((cr & 0xE000)>>13)+1); +	} +#endif + +	if (cr & 0x01) +		return(bisize[(cr & 0xE0000) >> 17]); + +	return 0; +} + +#ifdef SC3_DEBUGOUT +static unsigned int mbcf[] = {mem_mb0cf, mem_mb1cf, mem_mb2cf, mem_mb3cf}; +#endif + +long int initdram (int board_type) +{ +	unsigned int mems=0; +	unsigned long ul1; + +#ifdef SC3_DEBUGOUT +	unsigned long ul2; +	int	i; + +	puts("\nSDRAM configuration:\n"); + +	mtdcr (memcfga, mem_mcopt1); +	ul1 = mfdcr(memcfgd); + +	if (!(ul1 & 0x80000000)) { +		puts(" Controller disabled\n"); +		return 0; +	} +	for (i = 0; i < 4; i++) { +		mtdcr (memcfga, mbcf[i]); +		ul1 = mfdcr (memcfgd); +		mems += printSDRAMConfig (i, ul1); +	} + +	mtdcr (memcfga, mem_sdtr1); +	ul1 = mfdcr(memcfgd); + +	printf ("Timing:\n -CAS latency %lu\n", ((ul1 & 0x1800000) >> 23)+1); +	printf (" -Precharge %lu (PTA) \n", ((ul1 & 0xC0000) >> 18) + 1); +	printf (" -R/W to Precharge %lu (CTP)\n", ((ul1 & 0x30000) >> 16) + 1); +	printf (" -Leadoff %lu\n", ((ul1 & 0xC000) >> 14) + 1); +	printf (" -CAS to RAS %lu\n", ((ul1 & 0x1C) >> 2) + 4); +	printf (" -RAS to CAS %lu\n", ((ul1 & 0x3) + 1)); +	puts ("Misc:\n"); +	mtdcr (memcfga, mem_rtr); +	ul1 = mfdcr(memcfgd); +	printf (" -Refresh rate: %luns\n", (ul1 >> 16) * 7); + +	mtdcr(memcfga,mem_pmit); +	ul2=mfdcr(memcfgd); + +	mtdcr(memcfga,mem_mcopt1); +	ul1=mfdcr(memcfgd); + +	if (ul1 & 0x20000000) +		printf(" -Power Down after: %luns\n", +			((ul2 & 0xFFC00000) >> 22) * 7); +	else +		puts(" -Power Down disabled\n"); + +	if (ul1 & 0x40000000) +		printf(" -Self refresh feature active\n"); +	else +		puts(" -Self refresh disabled\n"); + +	if (ul1 & 0x10000000) +		puts(" -ECC enabled\n"); +	else +		puts(" -ECC disabled\n"); + +	if (ul1 & 0x8000000) +		puts(" -Using registered SDRAM\n"); + +	if (!(ul1 & 0x6000000)) +		puts(" -Using 32 bit data width\n"); +	else +		puts(" -Illegal data width!\n"); + +	if (ul1 & 0x400000) +		puts(" -ECC drivers inactive\n"); +	else +		puts(" -ECC drivers active\n"); + +	if (ul1 & 0x200000) +		puts(" -Memory lines always active outputs\n"); +	else +		puts(" -Memory lines only at write cycles active outputs\n"); + +	mtdcr (memcfga, mem_status); +	ul1 = mfdcr (memcfgd); +	if (ul1 & 0x80000000) +		puts(" -SDRAM Controller ready\n"); +	else +		puts(" -SDRAM Controller not ready\n"); + +	if (ul1 & 0x4000000) +		puts(" -SDRAM in self refresh mode!\n"); + +	return (mems * 1024 * 1024); +#else +	mtdcr (memcfga, mem_mb0cf); +	ul1 = mfdcr (memcfgd); +	mems = printSDRAMConfig (0, ul1); + +	mtdcr (memcfga, mem_mb1cf); +	ul1 = mfdcr (memcfgd); +	mems += printSDRAMConfig (1, ul1); + +	mtdcr (memcfga, mem_mb2cf); +	ul1 = mfdcr(memcfgd); +	mems += printSDRAMConfig (2, ul1); + +	mtdcr (memcfga, mem_mb3cf); +	ul1 = mfdcr(memcfgd); +	mems += printSDRAMConfig (3, ul1); + +	return (mems * 1024 * 1024); +#endif +} + +static void pci_solidcard3_fixup_irq (struct pci_controller *hose, pci_dev_t dev) +{ +/*-------------------------------------------------------------------------+ + |             ,-.     ,-.        ,-.        ,-.        ,-. + |   INTD# ----|B|-----|P|-.    ,-|P|-.    ,-| |-.    ,-|G| + |             |R|     |C|  \  /  |C|  \  /  |E|  \  /  |r| + |   INTC# ----|I|-----|1|-. `/---|1|-. `/---|t|-. `/---|a| + |             |D|     |0|  \/    |0|  \/    |h|  \/    |f| + |   INTB# ----|G|-----|4|-./`----|4|-./`----|e|-./`----|i| + |             |E|     |+| /\     |+| /\     |r| /\     |k| + |   INTA# ----| |-----| |-  `----| |-  `----| |-  `----| | + |             `-'     `-'        `-'        `-'        `-' + |   Slot      0       10         11         12         13 + |   REQ#              0          1          2          * + |   GNT#              0          1          2          * + +-------------------------------------------------------------------------*/ +	unsigned char int_line = 0xff; + +	switch (PCI_DEV(dev)) { +	case 10: +		int_line = 31; /* INT A */ +		POST_OUT(0x42); +		break; + +	case 11: +		int_line = 30; /* INT B */ +		POST_OUT(0x43); +		break; + +	case 12: +		int_line = 29; /* INT C */ +		POST_OUT(0x44); +		break; + +	case 13: +		int_line = 28; /* INT D */ +		POST_OUT(0x45); +		break; +	} +	pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line); +} + +extern void pci_405gp_init(struct pci_controller *hose); +extern void pci_405gp_fixup_irq(struct pci_controller *hose, pci_dev_t dev); +extern void pci_405gp_setup_bridge(struct pci_controller *hose, pci_dev_t dev,struct pci_config_table *entry); +/* + * The following table is used when there is a special need to setup a PCI device. + * For every PCI device found in this table is called the given init function with given + * parameters. So never let all IDs at PCI_ANY_ID. In this case any found device gets the same + * parameters! + * +*/ +static struct pci_config_table pci_solidcard3_config_table[] = +{ +/* Host to PCI Bridge device (405GP) */ +	{ +		vendor: 0x1014, +		device: 0x0156, +		class: PCI_CLASS_BRIDGE_HOST, +		bus: 0, +		dev: 0, +		func: 0, +		config_device: pci_405gp_setup_bridge +	}, +	{ } +}; + +/*-------------------------------------------------------------------------+ + | pci_init_board (Called from pci_init() in drivers/pci.c) + | + | Init the PCI part of the SolidCard III + | + | Params: + * - Pointer to current PCI hose + * - Current Device + * + * Returns + * nothing + +-------------------------------------------------------------------------*/ + +void pci_init_board(void) +{ +	POST_OUT(0x41); +/* + * we want the ptrs to RAM not flash (ie don't use init list) + */ +	hose.fixup_irq    = pci_solidcard3_fixup_irq; +	hose.config_table = pci_solidcard3_config_table; +	pci_405gp_init(&hose); +} |