mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 02:38:56 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
769 lines
22 KiB
C
769 lines
22 KiB
C
/*
|
|
* (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.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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);
|
|
}
|