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Diffstat (limited to 'board/esd/cpci405/cpci405.c')
-rw-r--r--board/esd/cpci405/cpci405.c451
1 files changed, 451 insertions, 0 deletions
diff --git a/board/esd/cpci405/cpci405.c b/board/esd/cpci405/cpci405.c
new file mode 100644
index 0000000..2dda8fa
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+++ 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 */
+
+/* ------------------------------------------------------------------------- */
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