| /* |
| * (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> |
| #include <netdev.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 (UIC0SR, 0xFFFFFFFF); /* clear all ints */ |
| mtdcr (UIC0ER, 0x00000000); /* disable all ints */ |
| mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical */ |
| |
| if (IS_CAMERON) { |
| sc3_cameron_init(); |
| mtdcr (0x0B6, 0x18000000); |
| mtdcr (UIC0PR, 0xFFFFFFF0); |
| mtdcr (UIC0TR, 0x10001030); |
| } else { |
| mtdcr (0x0B6, 0x0000000); |
| mtdcr (UIC0PR, 0xFFFFFFE0); |
| mtdcr (UIC0TR, 0x10000020); |
| } |
| mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */ |
| mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */ |
| |
| /* setup other implementation specific details */ |
| mtdcr (CPC0_ECR, 0x60606000); |
| |
| mtdcr (CPC0_CR1, 0x000042C0); |
| |
| if (IS_CAMERON) { |
| mtdcr (CPC0_CR0, 0x01380000); |
| /* Setup the GPIOs */ |
| writel (0x08008000, 0xEF600700); /* Output states */ |
| writel (0x00000000, 0xEF600718); /* Open Drain control */ |
| writel (0x68098000, 0xEF600704); /* Output control */ |
| } else { |
| mtdcr (CPC0_CR0,0x00080000); |
| /* Setup the GPIOs */ |
| writel (0x08000000, 0xEF600700); /* Output states */ |
| writel (0x14000000, 0xEF600718); /* Open Drain control */ |
| writel (0x7C000000, 0xEF600704); /* Output control */ |
| } |
| |
| /* Code decompression disabled */ |
| mtdcr (DCP0_CFGADDR, KCONF); |
| mtdcr (DCP0_CFGDATA, 0x2B); |
| |
| /* CPC0_ER: enable sleep mode of (currently) unused components */ |
| /* CPC0_FR: force unused components into sleep mode */ |
| mtdcr (CPC0_ER, 0x3F800000); |
| mtdcr (CPC0_FR, 0x14000000); |
| |
| /* set PLB priority */ |
| mtdcr (PLB0_ACR, 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 |
| /* FIXME: for what must we do this */ |
| *(unsigned long *)0x79000080 = 0x0001; |
| 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 (EBC0_CFGADDR, ap[nr]); |
| ul1 = mfdcr (EBC0_CFGDATA); |
| mtdcr (EBC0_CFGADDR, cr[nr]); |
| ul2 = mfdcr(EBC0_CFGDATA); |
| 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 (EBC0_CFGADDR, EBC0_CFG); |
| ul1 = mfdcr (EBC0_CFGDATA); |
| |
| 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[] = {SDRAM0_B0CR, SDRAM0_B1CR, SDRAM0_B2CR, SDRAM0_B3CR}; |
| #endif |
| |
| phys_size_t initdram (int board_type) |
| { |
| unsigned int mems=0; |
| unsigned long ul1; |
| |
| #ifdef SC3_DEBUGOUT |
| unsigned long ul2; |
| int i; |
| |
| puts("\nSDRAM configuration:\n"); |
| |
| mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG); |
| ul1 = mfdcr(SDRAM0_CFGDATA); |
| |
| if (!(ul1 & 0x80000000)) { |
| puts(" Controller disabled\n"); |
| return 0; |
| } |
| for (i = 0; i < 4; i++) { |
| mtdcr (SDRAM0_CFGADDR, mbcf[i]); |
| ul1 = mfdcr (SDRAM0_CFGDATA); |
| mems += printSDRAMConfig (i, ul1); |
| } |
| |
| mtdcr (SDRAM0_CFGADDR, SDRAM0_TR); |
| ul1 = mfdcr(SDRAM0_CFGDATA); |
| |
| 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 (SDRAM0_CFGADDR, SDRAM0_RTR); |
| ul1 = mfdcr(SDRAM0_CFGDATA); |
| printf (" -Refresh rate: %luns\n", (ul1 >> 16) * 7); |
| |
| mtdcr(SDRAM0_CFGADDR,SDRAM0_PMIT); |
| ul2=mfdcr(SDRAM0_CFGDATA); |
| |
| mtdcr(SDRAM0_CFGADDR,SDRAM0_CFG); |
| ul1=mfdcr(SDRAM0_CFGDATA); |
| |
| 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 (SDRAM0_CFGADDR, SDRAM0_STATUS); |
| ul1 = mfdcr (SDRAM0_CFGDATA); |
| 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 (SDRAM0_CFGADDR, SDRAM0_B0CR); |
| ul1 = mfdcr (SDRAM0_CFGDATA); |
| mems = printSDRAMConfig (0, ul1); |
| |
| mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR); |
| ul1 = mfdcr (SDRAM0_CFGDATA); |
| mems += printSDRAMConfig (1, ul1); |
| |
| mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR); |
| ul1 = mfdcr(SDRAM0_CFGDATA); |
| mems += printSDRAMConfig (2, ul1); |
| |
| mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR); |
| ul1 = mfdcr(SDRAM0_CFGDATA); |
| 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/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); |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| return pci_eth_init(bis); |
| } |