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authorwdenk <wdenk>2002-11-03 00:24:07 +0000
committerwdenk <wdenk>2002-11-03 00:24:07 +0000
commitc609719b8d1b2dca590e0ed499016d041203e403 (patch)
tree7ea1755d80903ff972f312a249eb856061d40e15 /board/esd
parent5b1d713721c3ea02549940133f09236783dda1f9 (diff)
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Initial revision
Diffstat (limited to 'board/esd')
-rw-r--r--board/esd/common/fpga.c262
-rw-r--r--board/esd/common/pci.c202
-rw-r--r--board/esd/cpci405/cpci405.c451
-rw-r--r--board/esd/cpci440/cpci440.c140
-rw-r--r--board/esd/cpci440/init.S96
-rw-r--r--board/esd/pci405/pci405.c254
6 files changed, 1405 insertions, 0 deletions
diff --git a/board/esd/common/fpga.c b/board/esd/common/fpga.c
new file mode 100644
index 0000000..666b490
--- /dev/null
+++ b/board/esd/common/fpga.c
@@ -0,0 +1,262 @@
+/*
+ * (C) Copyright 2001
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <command.h>
+
+/* ------------------------------------------------------------------------- */
+
+#ifdef FPGA_DEBUG
+#define DBG(x...) printf(x)
+#else
+#define DBG(x...)
+#endif /* DEBUG */
+
+#define MAX_ONES 226
+
+#define IBM405GP_GPIO0_OR 0xef600700 /* GPIO Output */
+#define IBM405GP_GPIO0_TCR 0xef600704 /* GPIO Three-State Control */
+#define IBM405GP_GPIO0_ODR 0xef600718 /* GPIO Open Drain */
+#define IBM405GP_GPIO0_IR 0xef60071c /* GPIO Input */
+
+#ifdef CFG_FPGA_PRG
+# define FPGA_PRG CFG_FPGA_PRG /* FPGA program pin (ppc output)*/
+# define FPGA_CLK CFG_FPGA_CLK /* FPGA clk pin (ppc output) */
+# define FPGA_DATA CFG_FPGA_DATA /* FPGA data pin (ppc output) */
+# define FPGA_DONE CFG_FPGA_DONE /* FPGA done pin (ppc input) */
+# define FPGA_INIT CFG_FPGA_INIT /* FPGA init pin (ppc input) */
+#else
+# define FPGA_PRG 0x04000000 /* FPGA program pin (ppc output) */
+# define FPGA_CLK 0x02000000 /* FPGA clk pin (ppc output) */
+# define FPGA_DATA 0x01000000 /* FPGA data pin (ppc output) */
+# define FPGA_DONE 0x00800000 /* FPGA done pin (ppc input) */
+# define FPGA_INIT 0x00400000 /* FPGA init pin (ppc input) */
+#endif
+
+#define ERROR_FPGA_PRG_INIT_LOW -1 /* Timeout after PRG* asserted */
+#define ERROR_FPGA_PRG_INIT_HIGH -2 /* Timeout after PRG* deasserted */
+#define ERROR_FPGA_PRG_DONE -3 /* Timeout after programming */
+
+#define SET_FPGA(data) out32(IBM405GP_GPIO0_OR, data)
+
+#define FPGA_WRITE_1 { \
+ SET_FPGA(FPGA_PRG | FPGA_DATA); /* set clock to 0 */ \
+ SET_FPGA(FPGA_PRG | FPGA_DATA); /* set data to 1 */ \
+ SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); /* set clock to 1 */ \
+ SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1 */
+
+#define FPGA_WRITE_0 { \
+ SET_FPGA(FPGA_PRG | FPGA_DATA); /* set clock to 0 */ \
+ SET_FPGA(FPGA_PRG); /* set data to 0 */ \
+ SET_FPGA(FPGA_PRG | FPGA_CLK); /* set clock to 1 */ \
+ SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1 */
+
+
+static int fpga_boot(unsigned char *fpgadata, int size)
+{
+ int i,index,len;
+ int count;
+#ifdef CFG_FPGA_SPARTAN2
+ int j;
+#else
+ unsigned char b;
+ int bit;
+#endif
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i=0; i<4; i++)
+ {
+ len = fpgadata[index];
+ DBG("FPGA: %s\n", &(fpgadata[index+1]));
+ index += len+3;
+ }
+
+#ifdef CFG_FPGA_SPARTAN2
+ /* search for preamble 0xFFFFFFFF */
+ while (1)
+ {
+ if ((fpgadata[index] == 0xff) && (fpgadata[index+1] == 0xff) &&
+ (fpgadata[index+2] == 0xff) && (fpgadata[index+3] == 0xff))
+ break; /* preamble found */
+ else
+ index++;
+ }
+#else
+ /* search for preamble 0xFF2X */
+ for (index = 0; index < size-1 ; index++)
+ {
+ if ((fpgadata[index] == 0xff) && ((fpgadata[index+1] & 0xf0) == 0x30))
+ break;
+ }
+ index += 2;
+#endif
+
+ DBG("FPGA: configdata starts at position 0x%x\n",index);
+ DBG("FPGA: length of fpga-data %d\n", size-index);
+
+ /*
+ * Setup port pins for fpga programming
+ */
+ out32(IBM405GP_GPIO0_ODR, 0x00000000); /* no open drain pins */
+ out32(IBM405GP_GPIO0_TCR, FPGA_PRG | FPGA_CLK | FPGA_DATA); /* setup for output */
+ out32(IBM405GP_GPIO0_OR, FPGA_PRG | FPGA_CLK | FPGA_DATA); /* set output pins to high */
+
+ DBG("%s, ",((in32(IBM405GP_GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
+ DBG("%s\n",((in32(IBM405GP_GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT" );
+
+ /*
+ * Init fpga by asserting and deasserting PROGRAM*
+ */
+ SET_FPGA(FPGA_CLK | FPGA_DATA);
+
+ /* Wait for FPGA init line low */
+ count = 0;
+ while (in32(IBM405GP_GPIO0_IR) & FPGA_INIT)
+ {
+ udelay(1000); /* wait 1ms */
+ /* Check for timeout - 100us max, so use 3ms */
+ if (count++ > 3)
+ {
+ DBG("FPGA: Booting failed!\n");
+ return ERROR_FPGA_PRG_INIT_LOW;
+ }
+ }
+
+ DBG("%s, ",((in32(IBM405GP_GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
+ DBG("%s\n",((in32(IBM405GP_GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT" );
+
+ /* deassert PROGRAM* */
+ SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
+
+ /* Wait for FPGA end of init period . */
+ count = 0;
+ while (!(in32(IBM405GP_GPIO0_IR) & FPGA_INIT))
+ {
+ udelay(1000); /* wait 1ms */
+ /* Check for timeout */
+ if (count++ > 3)
+ {
+ DBG("FPGA: Booting failed!\n");
+ return ERROR_FPGA_PRG_INIT_HIGH;
+ }
+ }
+
+ DBG("%s, ",((in32(IBM405GP_GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
+ DBG("%s\n",((in32(IBM405GP_GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT" );
+
+ DBG("write configuration data into fpga\n");
+ /* write configuration-data into fpga... */
+
+#ifdef CFG_FPGA_SPARTAN2
+ /*
+ * Load uncompressed image into fpga
+ */
+ for (i=index; i<size; i++)
+ {
+ for (j=0; j<8; j++)
+ {
+ if ((fpgadata[i] & 0x80) == 0x80)
+ {
+ FPGA_WRITE_1;
+ }
+ else
+ {
+ FPGA_WRITE_0;
+ }
+ fpgadata[i] <<= 1;
+ }
+ }
+#else
+ /* send 0xff 0x20 */
+ FPGA_WRITE_1; FPGA_WRITE_1; FPGA_WRITE_1; FPGA_WRITE_1;
+ FPGA_WRITE_1; FPGA_WRITE_1; FPGA_WRITE_1; FPGA_WRITE_1;
+ FPGA_WRITE_0; FPGA_WRITE_0; FPGA_WRITE_1; FPGA_WRITE_0;
+ FPGA_WRITE_0; FPGA_WRITE_0; FPGA_WRITE_0; FPGA_WRITE_0;
+
+ /*
+ ** Bit_DeCompression
+ ** Code 1 .. maxOnes : n '1's followed by '0'
+ ** maxOnes + 1 .. maxOnes + 1 : n - 1 '1's no '0'
+ ** maxOnes + 2 .. 254 : n - (maxOnes + 2) '0's followed by '1'
+ ** 255 : '1'
+ */
+
+ for (i=index; i<size; i++)
+ {
+ b = fpgadata[i];
+ if ((b >= 1) && (b <= MAX_ONES))
+ {
+ for(bit=0; bit<b; bit++)
+ {
+ FPGA_WRITE_1;
+ }
+ FPGA_WRITE_0;
+ }
+ else if (b == (MAX_ONES+1))
+ {
+ for(bit=1; bit<b; bit++)
+ {
+ FPGA_WRITE_1;
+ }
+ }
+ else if ((b >= (MAX_ONES+2)) && (b <= 254))
+ {
+ for(bit=0; bit<(b-(MAX_ONES+2)); bit++)
+ {
+ FPGA_WRITE_0;
+ }
+ FPGA_WRITE_1;
+ }
+ else if (b == 255)
+ {
+ FPGA_WRITE_1;
+ }
+ }
+#endif
+
+ DBG("%s, ",((in32(IBM405GP_GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
+ DBG("%s\n",((in32(IBM405GP_GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT" );
+
+ /*
+ * Check if fpga's DONE signal - correctly booted ?
+ */
+
+ /* Wait for FPGA end of programming period . */
+ count = 0;
+ while (!(in32(IBM405GP_GPIO0_IR) & FPGA_DONE))
+ {
+ udelay(1000); /* wait 1ms */
+ /* Check for timeout */
+ if (count++ > 3)
+ {
+ DBG("FPGA: Booting failed!\n");
+ return ERROR_FPGA_PRG_DONE;
+ }
+ }
+
+ DBG("FPGA: Booting successful!\n");
+ return 0;
+}
diff --git a/board/esd/common/pci.c b/board/esd/common/pci.c
new file mode 100644
index 0000000..f8f180c
--- /dev/null
+++ b/board/esd/common/pci.c
@@ -0,0 +1,202 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+#include <pci.h>
+
+
+u_long pci9054_iobase;
+
+
+#define PCI_PRIMARY_CAR (0x500000dc) /* PCI config address reg */
+#define PCI_PRIMARY_CDR (0x80000000) /* PCI config data reg */
+
+
+/*-----------------------------------------------------------------------------+
+| Subroutine: pci9054_read_config_dword
+| Description: Read a PCI configuration register
+| Inputs:
+| hose PCI Controller
+| dev PCI Bus+Device+Function number
+| offset Configuration register number
+| value Address of the configuration register value
+| Return value:
+| 0 Successful
++-----------------------------------------------------------------------------*/
+int pci9054_read_config_dword(struct pci_controller *hose,
+ pci_dev_t dev, int offset, u32* value)
+{
+ unsigned long conAdrVal;
+ unsigned long val;
+
+ /* generate coded value for CON_ADR register */
+ conAdrVal = dev | (offset & 0xfc) | 0x80000000;
+
+ /* Load the CON_ADR (CAR) value first, then read from CON_DATA (CDR) */
+ *(unsigned long *)PCI_PRIMARY_CAR = conAdrVal;
+
+ /* Note: *pResult comes back as -1 if machine check happened */
+ val = in32r(PCI_PRIMARY_CDR);
+
+ *value = (unsigned long) val;
+
+ out32r(PCI_PRIMARY_CAR, 0);
+
+ if ((*(unsigned long *)0x50000304) & 0x60000000)
+ {
+ /* clear pci master/target abort bits */
+ *(unsigned long *)0x50000304 = *(unsigned long *)0x50000304;
+ }
+
+ return 0;
+}
+
+/*-----------------------------------------------------------------------------+
+| Subroutine: pci9054_write_config_dword
+| Description: Write a PCI configuration register.
+| Inputs:
+| hose PCI Controller
+| dev PCI Bus+Device+Function number
+| offset Configuration register number
+| Value Configuration register value
+| Return value:
+| 0 Successful
+| Updated for pass2 errata #6. Need to disable interrupts and clear the
+| PCICFGADR reg after writing the PCICFGDATA reg.
++-----------------------------------------------------------------------------*/
+int pci9054_write_config_dword(struct pci_controller *hose,
+ pci_dev_t dev, int offset, u32 value)
+{
+ unsigned long conAdrVal;
+
+ conAdrVal = dev | (offset & 0xfc) | 0x80000000;
+
+ *(unsigned long *)PCI_PRIMARY_CAR = conAdrVal;
+
+ out32r(PCI_PRIMARY_CDR, value);
+
+ out32r(PCI_PRIMARY_CAR, 0);
+
+ /* clear pci master/target abort bits */
+ *(unsigned long *)0x50000304 = *(unsigned long *)0x50000304;
+
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+#ifdef CONFIG_DASA_SIM
+static void pci_dasa_sim_config_pci9054(struct pci_controller *hose, pci_dev_t dev,
+ struct pci_config_table *_)
+{
+ unsigned int iobase;
+ unsigned short status = 0;
+ unsigned char timer;
+
+ /*
+ * Configure PLX PCI9054
+ */
+ pci_read_config_word(CFG_PCI9054_DEV_FN, PCI_COMMAND, &status);
+ status |= PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
+ pci_write_config_word(CFG_PCI9054_DEV_FN, PCI_COMMAND, status);
+
+ /* Check the latency timer for values >= 0x60.
+ */
+ pci_read_config_byte(CFG_PCI9054_DEV_FN, PCI_LATENCY_TIMER, &timer);
+ if (timer < 0x60)
+ {
+ pci_write_config_byte(CFG_PCI9054_DEV_FN, PCI_LATENCY_TIMER, 0x60);
+ }
+
+ /* Set I/O base register.
+ */
+ pci_write_config_dword(CFG_PCI9054_DEV_FN, PCI_BASE_ADDRESS_0, CFG_PCI9054_IOBASE);
+ pci_read_config_dword(CFG_PCI9054_DEV_FN, PCI_BASE_ADDRESS_0, &iobase);
+
+ pci9054_iobase = pci_mem_to_phys(CFG_PCI9054_DEV_FN, iobase & PCI_BASE_ADDRESS_MEM_MASK);
+
+ if (pci9054_iobase == 0xffffffff)
+ {
+ printf("Error: Can not set I/O base register.\n");
+ return;
+ }
+}
+#endif
+
+static struct pci_config_table pci9054_config_table[] = {
+#ifndef CONFIG_PCI_PNP
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_BUS(CFG_ETH_DEV_FN), PCI_DEV(CFG_ETH_DEV_FN), PCI_FUNC(CFG_ETH_DEV_FN),
+ pci_cfgfunc_config_device, { CFG_ETH_IOBASE,
+ CFG_ETH_IOBASE,
+ PCI_COMMAND_IO | PCI_COMMAND_MASTER }},
+#ifdef CONFIG_DASA_SIM
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_BUS(CFG_PCI9054_DEV_FN), PCI_DEV(CFG_PCI9054_DEV_FN), PCI_FUNC(CFG_PCI9054_DEV_FN),
+ pci_dasa_sim_config_pci9054 },
+#endif
+#endif
+ { }
+};
+
+static struct pci_controller pci9054_hose = {
+ config_table: pci9054_config_table,
+};
+
+void pci_init(void)
+{
+ struct pci_controller *hose = &pci9054_hose;
+
+ /*
+ * Register the hose
+ */
+ hose->first_busno = 0;
+ hose->last_busno = 0xff;
+
+ /* System memory space */
+ pci_set_region(hose->regions + 0,
+ 0x00000000, 0x00000000, 0x01000000,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* PCI Memory space */
+ pci_set_region(hose->regions + 1,
+ 0x00000000, 0xc0000000, 0x10000000,
+ PCI_REGION_MEM);
+
+ pci_set_ops(hose,
+ pci_hose_read_config_byte_via_dword,
+ pci_hose_read_config_word_via_dword,
+ pci9054_read_config_dword,
+ pci_hose_write_config_byte_via_dword,
+ pci_hose_write_config_word_via_dword,
+ pci9054_write_config_dword);
+
+ hose->region_count = 2;
+
+ pci_register_hose(hose);
+
+ hose->last_busno = pci_hose_scan(hose);
+}
diff --git a/board/esd/cpci405/cpci405.c b/board/esd/cpci405/cpci405.c
new file mode 100644
index 0000000..2dda8fa
--- /dev/null
+++ b/board/esd/cpci405/cpci405.c
@@ -0,0 +1,451 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <command.h>
+#include <cmd_boot.h>
+#include <malloc.h>
+
+/* ------------------------------------------------------------------------- */
+
+#if 0
+#define FPGA_DEBUG
+#endif
+
+/* fpga configuration data - generated by bin2cc */
+const unsigned char fpgadata[] =
+{
+#ifdef CONFIG_CPCI405_VER2
+# include "fpgadata_cpci4052.c"
+#else
+# include "fpgadata_cpci405.c"
+#endif
+};
+
+/*
+ * include common fpga code (for esd boards)
+ */
+#include "../common/fpga.c"
+
+
+/* Prototypes */
+int version2(void);
+int gunzip(void *, int, unsigned char *, int *);
+
+
+int board_pre_init (void)
+{
+#ifndef CONFIG_CPCI405_VER2
+ int index, len, i;
+ int status;
+#endif
+
+#ifdef FPGA_DEBUG
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* set up serial port with default baudrate */
+ (void) get_clocks ();
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init ();
+ console_init_f();
+#endif
+
+ /*
+ * First pull fpga-prg pin low, to disable fpga logic (on version 2 board)
+ */
+ out32(IBM405GP_GPIO0_ODR, 0x00000000); /* no open drain pins */
+ out32(IBM405GP_GPIO0_TCR, CFG_FPGA_PRG); /* setup for output */
+ out32(IBM405GP_GPIO0_OR, CFG_FPGA_PRG); /* set output pins to high */
+ out32(IBM405GP_GPIO0_OR, 0); /* pull prg low */
+
+ /*
+ * Boot onboard FPGA
+ */
+#ifndef CONFIG_CPCI405_VER2
+ if (!version2()) {
+ status = fpga_boot((unsigned char *)fpgadata, sizeof(fpgadata));
+ if (status != 0) {
+ /* booting FPGA failed */
+#ifndef FPGA_DEBUG
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* set up serial port with default baudrate */
+ (void) get_clocks ();
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init ();
+ console_init_f();
+#endif
+ printf("\nFPGA: Booting failed ");
+ switch (status) {
+ case ERROR_FPGA_PRG_INIT_LOW:
+ printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_INIT_HIGH:
+ printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_DONE:
+ printf("(Timeout: DONE not high after programming FPGA)\n ");
+ break;
+ }
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i=0; i<4; i++) {
+ len = fpgadata[index];
+ printf("FPGA: %s\n", &(fpgadata[index+1]));
+ index += len+3;
+ }
+ putc ('\n');
+ /* delayed reboot */
+ for (i=20; i>0; i--) {
+ printf("Rebooting in %2d seconds \r",i);
+ for (index=0;index<1000;index++)
+ udelay(1000);
+ }
+ putc ('\n');
+ do_reset(NULL, 0, 0, NULL);
+ }
+ }
+#endif /* !CONFIG_CPCI405_VER2 */
+
+ /*
+ * IRQ 0-15 405GP internally generated; active high; level sensitive
+ * IRQ 16 405GP internally generated; active low; level sensitive
+ * IRQ 17-24 RESERVED
+ * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
+ * IRQ 26 (EXT IRQ 1) CAN1 (+FPGA on CPCI4052) ; active low; level sensitive
+ * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
+ * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
+ * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
+ * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
+ * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
+ */
+ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr(uicer, 0x00000000); /* disable all ints */
+ mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/
+ mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */
+ mtdcr(uictr, 0x10000000); /* set int trigger levels */
+ mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/
+ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+int ctermm2(void)
+{
+#ifdef CONFIG_CPCI405_VER2
+ return 0; /* no, board is cpci405 */
+#else
+ if ((*(unsigned char *)0xf0000400 == 0x00) &&
+ (*(unsigned char *)0xf0000401 == 0x01))
+ return 0; /* no, board is cpci405 */
+ else
+ return -1; /* yes, board is cterm-m2 */
+#endif
+}
+
+
+int cpci405_host(void)
+{
+ if (mfdcr(strap) & PSR_PCI_ARBIT_EN)
+ return -1; /* yes, board is cpci405 host */
+ else
+ return 0; /* no, board is cpci405 adapter */
+}
+
+
+int version2(void)
+{
+ unsigned long cntrl0Reg;
+ unsigned long value;
+
+ /*
+ * Setup GPIO pins (CS2/GPIO11 as GPIO)
+ */
+ cntrl0Reg = mfdcr(cntrl0);
+ mtdcr(cntrl0, cntrl0Reg | 0x02000000);
+
+ udelay(1000); /* wait some time before reading input */
+ value = in32(IBM405GP_GPIO0_IR) & 0x00100000; /* test GPIO11 */
+
+ /*
+ * Setup GPIO pins (CS2/GPIO11 as CS again)
+ */
+ mtdcr(cntrl0, cntrl0Reg);
+
+ if (value)
+ return 0; /* no, board is version 1.x */
+ else
+ return -1; /* yes, board is version 2.x */
+}
+
+
+int misc_init_f (void)
+{
+ return 0; /* dummy implementation */
+}
+
+
+int misc_init_r (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ bd_t *bd = gd->bd;
+ char * tmp; /* Temporary char pointer */
+
+#ifdef CONFIG_CPCI405_VER2
+ unsigned char *dst;
+ ulong len = sizeof(fpgadata);
+ int status;
+ int index;
+ int i;
+ unsigned long cntrl0Reg;
+
+ /*
+ * On CPCI-405 version 2 the environment is saved in eeprom!
+ * FPGA can be gzip compressed (malloc) and booted this late.
+ */
+
+ if (version2()) {
+ /*
+ * Setup GPIO pins (CS6+CS7 as GPIO)
+ */
+ cntrl0Reg = mfdcr(cntrl0);
+ mtdcr(cntrl0, cntrl0Reg | 0x00300000);
+
+ dst = malloc(CFG_FPGA_MAX_SIZE);
+ if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, (int *)&len) != 0) {
+ printf ("GUNZIP ERROR - must RESET board to recover\n");
+ do_reset (NULL, 0, 0, NULL);
+ }
+
+ status = fpga_boot(dst, len);
+ if (status != 0) {
+ printf("\nFPGA: Booting failed ");
+ switch (status) {
+ case ERROR_FPGA_PRG_INIT_LOW:
+ printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_INIT_HIGH:
+ printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_DONE:
+ printf("(Timeout: DONE not high after programming FPGA)\n ");
+ break;
+ }
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i=0; i<4; i++) {
+ len = dst[index];
+ printf("FPGA: %s\n", &(dst[index+1]));
+ index += len+3;
+ }
+ putc ('\n');
+ /* delayed reboot */
+ for (i=20; i>0; i--) {
+ printf("Rebooting in %2d seconds \r",i);
+ for (index=0;index<1000;index++)
+ udelay(1000);
+ }
+ putc ('\n');
+ do_reset(NULL, 0, 0, NULL);
+ }
+
+ /* restore gpio/cs settings */
+ mtdcr(cntrl0, cntrl0Reg);
+
+ puts("FPGA: ");
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i=0; i<4; i++) {
+ len = dst[index];
+ printf("%s ", &(dst[index+1]));
+ index += len+3;
+ }
+ putc ('\n');
+
+ free(dst);
+ }
+ else {
+ printf("\n*** U-Boot Version does not match Board Version!\n");
+ printf("*** CPCI-405 Version 2.x detected!\n");
+ printf("*** Please use correct U-Boot version (CPCI4052)!\n\n");
+ }
+
+#else /* CONFIG_CPCI405_VER2 */
+
+ /*
+ * Generate last byte of ip-addr from code-plug @ 0xf0000400
+ */
+ if (ctermm2()) {
+ char str[32];
+ unsigned char ipbyte = *(unsigned char *)0xf0000400;
+
+ /*
+ * Only overwrite ip-addr with allowed values
+ */
+ if ((ipbyte != 0x00) && (ipbyte != 0xff)) {
+ bd->bi_ip_addr = (bd->bi_ip_addr & 0xffffff00) | ipbyte;
+ sprintf(str, "%ld.%ld.%ld.%ld",
+ (bd->bi_ip_addr & 0xff000000) >> 24,
+ (bd->bi_ip_addr & 0x00ff0000) >> 16,
+ (bd->bi_ip_addr & 0x0000ff00) >> 8,
+ (bd->bi_ip_addr & 0x000000ff));
+ setenv("ipaddr", str);
+ }
+ }
+
+ if (version2()) {
+ printf("\n*** U-Boot Version does not match Board Version!\n");
+ printf("*** CPCI-405 Board Version 1.x detected!\n");
+ printf("*** Please use correct U-Boot version (CPCI405)!\n\n");
+ }
+
+#endif /* CONFIG_CPCI405_VER2 */
+
+ /*
+ * Write ethernet addr in NVRAM for VxWorks
+ */
+ tmp = (char *)CFG_NVRAM_BASE_ADDR + CFG_NVRAM_VXWORKS_OFFS;
+ memcpy( (char *)tmp, (char *)&bd->bi_enetaddr[0], 6 );
+ return (0);
+}
+
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+#ifndef CONFIG_CPCI405_VER2
+ int index;
+ int len;
+#endif
+ unsigned char str[64];
+ int i = getenv_r ("serial#", str, sizeof(str));
+
+ puts ("Board: ");
+
+ if (i == -1) {
+ puts ("### No HW ID - assuming CPCI405");
+ } else {
+ puts(str);
+ }
+
+ if (version2())
+ puts (" (Ver 2.x, ");
+ else
+ puts (" (Ver 1.x, ");
+
+#if 0
+ if ((*(unsigned short *)((unsigned long)CFG_FPGA_BASE_ADDR) + CFG_FPGA_STATUS)
+ & CFG_FPGA_STATUS_FLASH)
+ puts ("FLASH Bank A, ");
+ else
+ puts ("FLASH Bank B, ");
+#endif
+
+ if (ctermm2()) {
+ printf("CTERM-M2 - Id=0x%02x)", *(unsigned char *)0xf0000400);
+ } else {
+ if (cpci405_host()) {
+ puts ("PCI Host Version)");
+ } else {
+ puts ("PCI Adapter Version)");
+ }
+ }
+
+#ifndef CONFIG_CPCI405_VER2
+ puts ("\nFPGA: ");
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i=0; i<4; i++) {
+ len = fpgadata[index];
+ printf("%s ", &(fpgadata[index+1]));
+ index += len+3;
+ }
+#endif
+
+ putc ('\n');
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ unsigned long val;
+
+ mtdcr(memcfga, mem_mb0cf);
+ val = mfdcr(memcfgd);
+
+#if 0
+ printf("\nmb0cf=%x\n", val); /* test-only */
+ printf("strap=%x\n", mfdcr(strap)); /* test-only */
+#endif
+
+ return (4*1024*1024 << ((val & 0x000e0000) >> 17));
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+ /* TODO: XXX XXX XXX */
+ printf ("test: 16 MB - ok\n");
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+#ifdef CONFIG_CPCI405_VER2
+#ifdef CONFIG_IDE_RESET
+
+void ide_set_reset(int on)
+{
+ volatile unsigned short *fpga_mode = (unsigned short *)CFG_FPGA_BASE_ADDR;
+
+ /*
+ * Assert or deassert CompactFlash Reset Pin
+ */
+ if (on) { /* assert RESET */
+ *fpga_mode &= ~(CFG_FPGA_MODE_CF_RESET);
+ } else { /* release RESET */
+ *fpga_mode |= CFG_FPGA_MODE_CF_RESET;
+ }
+}
+
+#endif /* CONFIG_IDE_RESET */
+#endif /* CONFIG_CPCI405_VER2 */
+
+/* ------------------------------------------------------------------------- */
diff --git a/board/esd/cpci440/cpci440.c b/board/esd/cpci440/cpci440.c
new file mode 100644
index 0000000..51a5edd
--- /dev/null
+++ b/board/esd/cpci440/cpci440.c
@@ -0,0 +1,140 @@
+/*
+ * (C) Copyright 2002
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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
+ */
+
+
+#include <common.h>
+#include <asm/processor.h>
+
+
+long int fixed_sdram( void );
+
+int board_pre_init (void)
+{
+ uint reg;
+
+ /*--------------------------------------------------------------------
+ * Setup the external bus controller/chip selects
+ *-------------------------------------------------------------------*/
+ mtdcr( ebccfga, xbcfg );
+ reg = mfdcr( ebccfgd );
+ mtdcr( ebccfgd, reg | 0x04000000 ); /* Set ATC */
+
+ mtebc( pb0ap, 0x92015480 ); /* FLASH/SRAM */
+ mtebc( pb0cr, 0xFF87A000 ); /* BAS=0xff8 8MB R/W 16-bit */
+ /* test-only: other regs still missing... */
+
+ /*--------------------------------------------------------------------
+ * Setup the interrupt controller polarities, triggers, etc.
+ *-------------------------------------------------------------------*/
+ mtdcr( uic0sr, 0xffffffff ); /* clear all */
+ mtdcr( uic0er, 0x00000000 ); /* disable all */
+ mtdcr( uic0cr, 0x00000009 ); /* SMI & UIC1 crit are critical */
+ mtdcr( uic0pr, 0xfffffe13 ); /* per ref-board manual */
+ mtdcr( uic0tr, 0x01c00008 ); /* per ref-board manual */
+ mtdcr( uic0vr, 0x00000001 ); /* int31 highest, base=0x000 */
+ mtdcr( uic0sr, 0xffffffff ); /* clear all */
+
+ mtdcr( uic1sr, 0xffffffff ); /* clear all */
+ mtdcr( uic1er, 0x00000000 ); /* disable all */
+ mtdcr( uic1cr, 0x00000000 ); /* all non-critical */
+ mtdcr( uic1pr, 0xffffe0ff ); /* per ref-board manual */
+ mtdcr( uic1tr, 0x00ffc000 ); /* per ref-board manual */
+ mtdcr( uic1vr, 0x00000001 ); /* int31 highest, base=0x000 */
+ mtdcr( uic1sr, 0xffffffff ); /* clear all */
+
+ return 0;
+}
+
+
+
+int checkboard (void)
+{
+ sys_info_t sysinfo;
+ get_sys_info(&sysinfo);
+
+ printf("Board: esd CPCI-440\n");
+ printf("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz/1000000);
+ printf("\tCPU: %lu MHz\n", sysinfo.freqProcessor/1000000);
+ printf("\tPLB: %lu MHz\n", sysinfo.freqPLB/1000000);
+ printf("\tOPB: %lu MHz\n", sysinfo.freqOPB/1000000);
+ printf("\tEPB: %lu MHz\n", sysinfo.freqEPB/1000000);
+ return (0);
+}
+
+
+long int initdram (int board_type)
+{
+ long dram_size = 0;
+
+ dram_size = fixed_sdram();
+ return dram_size;
+}
+
+
+/*************************************************************************
+ * fixed sdram init -- doesn't use serial presence detect.
+ *
+ * Assumes: 64 MB, non-ECC, non-registered
+ * PLB @ 133 MHz
+ *
+ ************************************************************************/
+long int fixed_sdram( void )
+{
+ uint reg;
+
+ /*--------------------------------------------------------------------
+ * Setup some default
+ *------------------------------------------------------------------*/
+ mtsdram( mem_uabba, 0x00000000 ); /* ubba=0 (default) */
+ mtsdram( mem_slio, 0x00000000 ); /* rdre=0 wrre=0 rarw=0 */
+ mtsdram( mem_devopt,0x00000000 ); /* dll=0 ds=0 (normal) */
+ mtsdram( mem_wddctr,0x40000000 ); /* wrcp=0 dcd=0 */
+ mtsdram( mem_clktr, 0x40000000 ); /* clkp=1 (90 deg wr) dcdt=0 */
+
+ /*--------------------------------------------------------------------
+ * Setup for board-specific specific mem
+ *------------------------------------------------------------------*/
+ /*
+ * Following for CAS Latency = 2.5 @ 133 MHz PLB
+ */
+ mtsdram( mem_b0cr, 0x00082001 );/* SDBA=0x000, 64MB, Mode 2, enabled*/
+ mtsdram( mem_tr0, 0x410a4012 );/* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */
+ /* RA=10 RD=3 */
+ mtsdram( mem_tr1, 0x8080082f );/* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */
+ mtsdram( mem_rtr, 0x08200000 );/* Rate 15.625 ns @ 133 MHz PLB */
+ mtsdram( mem_cfg1, 0x00000000 );/* Self-refresh exit, disable PM */
+ udelay( 400 ); /* Delay 200 usecs (min) */
+
+ /*--------------------------------------------------------------------
+ * Enable the controller, then wait for DCEN to complete
+ *------------------------------------------------------------------*/
+ mtsdram( mem_cfg0, 0x86000000 );/* DCEN=1, PMUD=1, 64-bit */
+ for(;;)
+ {
+ mfsdram( mem_mcsts, reg );
+ if( reg & 0x80000000 )
+ break;
+ }
+
+ return( 64 * 1024 * 1024 ); /* 64 MB */
+}
diff --git a/board/esd/cpci440/init.S b/board/esd/cpci440/init.S
new file mode 100644
index 0000000..2dab9f9
--- /dev/null
+++ b/board/esd/cpci440/init.S
@@ -0,0 +1,96 @@
+/*
+* Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
+*
+* 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
+*/
+
+#include <ppc_asm.tmpl>
+#include <config.h>
+
+/* General */
+#define TLB_VALID 0x00000200
+
+/* Supported page sizes */
+
+#define SZ_1K 0x00000000
+#define SZ_4K 0x00000010
+#define SZ_16K 0x00000020
+#define SZ_64K 0x00000030
+#define SZ_256K 0x00000040
+#define SZ_1M 0x00000050
+#define SZ_16M 0x00000070
+#define SZ_256M 0x00000090
+
+/* Storage attributes */
+#define SA_W 0x00000800 /* Write-through */
+#define SA_I 0x00000400 /* Caching inhibited */
+#define SA_M 0x00000200 /* Memory coherence */
+#define SA_G 0x00000100 /* Guarded */
+#define SA_E 0x00000080 /* Endian */
+
+/* Access control */
+#define AC_X 0x00000024 /* Execute */
+#define AC_W 0x00000012 /* Write */
+#define AC_R 0x00000009 /* Read */
+
+/* Some handy macros */
+
+#define EPN(e) ((e) & 0xfffffc00)
+#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) )
+#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) )
+#define TLB2(a) ( (a)&0x00000fbf )
+
+#define tlbtab_start\
+ mflr r1 ;\
+ bl 0f ;
+
+#define tlbtab_end\
+ .long 0, 0, 0 ; \
+0: mflr r0 ; \
+ mtlr r1 ; \
+ blr ;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+ .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ * Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+
+ .section .bootpg,"ax"
+ .globl tlbtab
+
+tlbtab:
+ tlbtab_start
+ tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+ tlbentry( CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I)
+ tlbentry( CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X )
+ tlbentry( CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X )
+ tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X )
+ tlbtab_end
+
+
diff --git a/board/esd/pci405/pci405.c b/board/esd/pci405/pci405.c
new file mode 100644
index 0000000..ed86c02
--- /dev/null
+++ b/board/esd/pci405/pci405.c
@@ -0,0 +1,254 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <command.h>
+#include <cmd_boot.h>
+#include <malloc.h>
+#include <pci.h>
+#include <405gp_pci.h>
+
+/* ------------------------------------------------------------------------- */
+
+#if 0
+#define FPGA_DEBUG
+#endif
+
+#define PCI_RECONFIG_MAGIC 0x07081967
+
+
+struct pci_config_regs {
+ unsigned short command;
+ unsigned char latency_timer;
+ unsigned char int_line;
+ unsigned long bar1;
+ unsigned long bar2;
+ unsigned long magic;
+};
+
+
+/* fpga configuration data - generated by bin2cc */
+const unsigned char fpgadata[] =
+{
+#include "fpgadata.c"
+};
+
+/*
+ * include common fpga code (for esd boards)
+ */
+#include "../common/fpga.c"
+
+
+/* Prototypes */
+int gunzip(void *, int, unsigned char *, int *);
+
+
+int board_pre_init (void)
+{
+ unsigned long cntrl0Reg;
+
+ /*
+ * IRQ 0-15 405GP internally generated; active high; level sensitive
+ * IRQ 16 405GP internally generated; active low; level sensitive
+ * IRQ 17-24 RESERVED
+ * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
+ * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive
+ * IRQ 27 (EXT IRQ 2) CAN2; active low; level sensitive
+ * IRQ 28 (EXT IRQ 3) CAN3; active low; level sensitive
+ * IRQ 29 (EXT IRQ 4) unused; active low; level sensitive
+ * IRQ 30 (EXT IRQ 5) FPGA Timestamp; active low; level sensitive
+ * IRQ 31 (EXT IRQ 6) PCI Reset; active low; level sensitive
+ */
+ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr(uicer, 0x00000000); /* disable all ints */
+ mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/
+ mtdcr(uicpr, 0xFFFFFF80); /* set int polarities */
+ mtdcr(uictr, 0x10000000); /* set int trigger levels */
+ mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/
+ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+
+ /*
+ * Setup GPIO pins (IRQ4/GPIO21 as GPIO)
+ */
+ cntrl0Reg = mfdcr(cntrl0);
+ mtdcr(cntrl0, cntrl0Reg | 0x00008000);
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_f (void)
+{
+ return 0; /* dummy implementation */
+}
+
+
+int misc_init_r (void)
+{
+ unsigned char *dst;
+ ulong len = sizeof(fpgadata);
+ int status;
+ int index;
+ int i;
+ struct pci_config_regs *pci_regs;
+
+ /*
+ * On PCI-405 the environment is saved in eeprom!
+ * FPGA can be gzip compressed (malloc) and booted this late.
+ */
+
+ dst = malloc(CFG_FPGA_MAX_SIZE);
+ if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, (int *)&len) != 0) {
+ printf ("GUNZIP ERROR - must RESET board to recover\n");
+ do_reset (NULL, 0, 0, NULL);
+ }
+
+ status = fpga_boot(dst, len);
+ if (status != 0) {
+ printf("\nFPGA: Booting failed ");
+ switch (status) {
+ case ERROR_FPGA_PRG_INIT_LOW:
+ printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_INIT_HIGH:
+ printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_DONE:
+ printf("(Timeout: DONE not high after programming FPGA)\n ");
+ break;
+ }
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i=0; i<4; i++) {
+ len = dst[index];
+ printf("FPGA: %s\n", &(dst[index+1]));
+ index += len+3;
+ }
+ putc ('\n');
+ /* delayed reboot */
+ for (i=20; i>0; i--) {
+ printf("Rebooting in %2d seconds \r",i);
+ for (index=0;index<1000;index++)
+ udelay(1000);
+ }
+ putc ('\n');
+ do_reset(NULL, 0, 0, NULL);
+ }
+
+ puts("FPGA: ");
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i=0; i<4; i++) {
+ len = dst[index];
+ printf("%s ", &(dst[index+1]));
+ index += len+3;
+ }
+ putc ('\n');
+
+ /*
+ * Rewrite pci config regs (only after soft-reset with magic set)
+ */
+ pci_regs = (struct pci_config_regs *)0x10;
+ if (pci_regs->magic == PCI_RECONFIG_MAGIC) {
+ puts("PCI: Found magic, rewriting config regs...\n");
+ pci_write_config_word(PCIDEVID_405GP, PCI_COMMAND,
+ pci_regs->command);
+ pci_write_config_byte(PCIDEVID_405GP, PCI_LATENCY_TIMER,
+ pci_regs->latency_timer);
+ pci_write_config_byte(PCIDEVID_405GP, PCI_INTERRUPT_LINE,
+ pci_regs->int_line);
+ pci_write_config_dword(PCIDEVID_405GP, PCI_BASE_ADDRESS_1,
+ pci_regs->bar1);
+ pci_write_config_dword(PCIDEVID_405GP, PCI_BASE_ADDRESS_2,
+ pci_regs->bar2);
+ }
+ pci_regs->magic = 0; /* clear magic again */
+
+#if 0 /* test-only */
+ pci_read_config_word(PCIDEVID_405GP, PCI_COMMAND, &(pci_regs->command));
+ pci_read_config_byte(PCIDEVID_405GP, PCI_LATENCY_TIMER, &(pci_regs->latency_timer));
+ pci_read_config_byte(PCIDEVID_405GP, PCI_INTERRUPT_LINE, &(pci_regs->int_line));
+ pci_read_config_dword(PCIDEVID_405GP, PCI_BASE_ADDRESS_1, &(pci_regs->bar1));
+ pci_read_config_dword(PCIDEVID_405GP, PCI_BASE_ADDRESS_2, &(pci_regs->bar2));
+ pci_regs->magic = PCI_RECONFIG_MAGIC; /* set magic */
+#endif
+
+ free(dst);
+ return (0);
+}
+
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ unsigned char str[64];
+ int i = getenv_r ("serial#", str, sizeof(str));
+
+ puts ("Board: ");
+
+ if (i == -1) {
+ puts ("### No HW ID - assuming CPCI405");
+ } else {
+ puts (str);
+ }
+ putc ('\n');
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ unsigned long val;
+
+ mtdcr(memcfga, mem_mb0cf);
+ val = mfdcr(memcfgd);
+
+#if 0
+ printf("\nmb0cf=%x\n", val); /* test-only */
+ printf("strap=%x\n", mfdcr(strap)); /* test-only */
+#endif
+
+ return (4*1024*1024 << ((val & 0x000e0000) >> 17));
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+ /* TODO: XXX XXX XXX */
+ printf ("test: 16 MB - ok\n");
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */