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Diffstat (limited to 'board/solidcard3/solidcard3.c')
-rw-r--r-- | board/solidcard3/solidcard3.c | 779 |
1 files changed, 779 insertions, 0 deletions
diff --git a/board/solidcard3/solidcard3.c b/board/solidcard3/solidcard3.c new file mode 100644 index 0000000..8044711 --- /dev/null +++ b/board/solidcard3/solidcard3.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 "solidcard3.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); +} |