/*
* (C) Copyright 2001-2003
- * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * (C) Copyright 2005
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
*
* See file CREDITS for list of people who contributed to this
* project.
#include <command.h>
#include <malloc.h>
-/* ------------------------------------------------------------------------- */
+DECLARE_GLOBAL_DATA_PTR;
+extern void lxt971_no_sleep(void);
-/* Prototypes */
-int gunzip(void *, int, unsigned char *, int *);
+/* fpga configuration data - not compressed, generated by bin2c */
+const unsigned char fpgadata[] =
+{
+#include "fpgadata.c"
+};
+int filesize = sizeof(fpgadata);
-int board_pre_init (void)
+int board_early_init_f (void)
{
/*
* IRQ 0-15 405GP internally generated; active high; level sensitive
*/
mtebc (epcr, 0xa8400000);
- return 0;
-}
-
-
-/* ------------------------------------------------------------------------- */
-
-int misc_init_f (void)
-{
- return 0; /* dummy implementation */
-}
-
-
-int misc_init_r (void)
-{
-#if 0 /* test-only */
- DECLARE_GLOBAL_DATA_PTR;
- volatile unsigned short *fpga_mode =
- (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
- volatile unsigned char *duart0_mcr =
- (unsigned char *)((ulong)DUART0_BA + 4);
- volatile unsigned char *duart1_mcr =
- (unsigned char *)((ulong)DUART1_BA + 4);
- bd_t *bd = gd->bd;
- char * tmp; /* Temporary char pointer */
- unsigned char *dst;
- ulong len = sizeof(fpgadata);
- int status;
- int index;
- int i;
- unsigned long cntrl0Reg;
-
/*
- * Setup GPIO pins (CS6+CS7 as GPIO)
+ * Setup GPIO pins
*/
- 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;
- }
+ mtdcr(cntrl0, mfdcr(cntrl0) | ((CFG_FPGA_INIT | \
+ CFG_FPGA_DONE | \
+ CFG_XEREADY | \
+ CFG_NONMONARCH | \
+ CFG_REV1_2) << 5));
- /* 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);
+ if (!(in32(GPIO0_IR) & CFG_REV1_2)) {
+ /* rev 1.2 boards */
+ mtdcr(cntrl0, mfdcr(cntrl0) | ((CFG_INTA_FAKE | \
+ CFG_SELF_RST) << 5));
}
- /* restore gpio/cs settings */
- mtdcr(cntrl0, cntrl0Reg);
+ out32(GPIO0_OR, 0);
+ out32(GPIO0_TCR, CFG_FPGA_PRG | CFG_FPGA_CLK | CFG_FPGA_DATA | CFG_XEREADY); /* setup for output */
- puts("FPGA: ");
+ /* - check if rev1_2 is low, then:
+ * - set/reset CFG_INTA_FAKE/CFG_SELF_RST in TCR to assert INTA# or SELFRST#
+ */
- /* 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');
+ return 0;
+}
- free(dst);
- /*
- * Reset FPGA via FPGA_DATA pin
- */
- SET_FPGA(FPGA_PRG | FPGA_CLK);
- udelay(1000); /* wait 1ms */
- SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
- udelay(1000); /* wait 1ms */
+/* ------------------------------------------------------------------------- */
- /*
- * Enable power on PS/2 interface
- */
- *fpga_mode |= CFG_FPGA_CTRL_PS2_RESET;
- /*
- * Enable interrupts in exar duart mcr[3]
- */
- *duart0_mcr = 0x08;
- *duart1_mcr = 0x08;
-#endif
+int misc_init_r (void)
+{
+ /* adjust flash start and offset */
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+ out32(GPIO0_OR, in32(GPIO0_OR) | CFG_XEREADY); /* deassert EREADY# */
return (0);
}
+ushort pmc405_pci_subsys_deviceid(void)
+{
+ ulong val;
+ val = in32(GPIO0_IR);
+ if (!(val & CFG_REV1_2)) { /* low=rev1.2 */
+ if (val & CFG_NONMONARCH) { /* monarch# signal */
+ return CFG_PCI_SUBSYS_DEVICEID_NONMONARCH;
+ }
+ return CFG_PCI_SUBSYS_DEVICEID_MONARCH;
+ }
+ return CFG_PCI_SUBSYS_DEVICEID_NONMONARCH;
+}
/*
* Check Board Identity:
*/
-
int checkboard (void)
{
- unsigned char str[64];
+ ulong val;
+
+ char str[64];
int i = getenv_r ("serial#", str, sizeof(str));
puts ("Board: ");
if (i == -1) {
- puts ("### No HW ID - assuming ABG405");
+ puts ("### No HW ID - assuming PMC405");
} else {
puts(str);
}
+ val = in32(GPIO0_IR);
+ if (!(val & CFG_REV1_2)) { /* low=rev1.2 */
+ puts(" rev1.2 (");
+ if (val & CFG_NONMONARCH) { /* monarch# signal */
+ puts("non-");
+ }
+ puts("monarch)");
+ } else {
+ puts(" <=rev1.1");
+ }
+
putc ('\n');
return 0;
/* ------------------------------------------------------------------------- */
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
{
unsigned long val;
return (4*1024*1024 << ((val & 0x000e0000) >> 17));
}
-/* ------------------------------------------------------------------------- */
-int testdram (void)
+/* ------------------------------------------------------------------------- */
+void reset_phy(void)
{
- /* TODO: XXX XXX XXX */
- printf ("test: 16 MB - ok\n");
+#ifdef CONFIG_LXT971_NO_SLEEP
- return (0);
+ /*
+ * Disable sleep mode in LXT971
+ */
+ lxt971_no_sleep();
+#endif
}
-/* ------------------------------------------------------------------------- */
+
+int do_cantest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ ulong addr;
+ volatile uchar *ptr;
+ volatile uchar val;
+ int i;
+
+ addr = simple_strtol (argv[1], NULL, 16) + 0x16;
+
+ i = 0;
+ for (;;) {
+ ptr = (uchar *)addr;
+ for (i=0; i<8; i++) {
+ *ptr = i;
+ val = *ptr;
+
+ if (val != i) {
+ printf("ERROR: addr=%p write=0x%02X, read=0x%02X\n", ptr, i, val);
+ return 0;
+ }
+
+ /* Abort if ctrl-c was pressed */
+ if (ctrlc()) {
+ puts("\nAbort\n");
+ return 0;
+ }
+
+ ptr++;
+ }
+ }
+
+ return 0;
+}
+U_BOOT_CMD(
+ cantest, 3, 1, do_cantest,
+ "cantest - Test CAN controller",
+ NULL
+ );