/*
+ * (C) Copyright 2006-2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
#include <common.h>
#include <ppc4xx.h>
#include <asm/processor.h>
+#include <asm/io.h>
#include <spd_sdram.h>
+#include <libfdt.h>
+#include <fdt_support.h>
DECLARE_GLOBAL_DATA_PTR;
reg = mfdcr(ebccfgd);
mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */
- mtebc(pb0ap, 0x03017300); /* FLASH/SRAM */
- mtebc(pb0cr, 0xfc0da000); /* BAS=0xfc0 64MB r/w 16-bit */
-
- mtebc(pb1ap, 0x00000000);
- mtebc(pb1cr, 0x00000000);
-
- mtebc(pb2ap, 0x04814500);
- /*CPLD*/ mtebc(pb2cr, 0x80018000); /*BAS=0x800 1MB r/w 8-bit */
-
- mtebc(pb3ap, 0x00000000);
- mtebc(pb3cr, 0x00000000);
-
- mtebc(pb4ap, 0x00000000);
- mtebc(pb4cr, 0x00000000);
-
- mtebc(pb5ap, 0x00000000);
- mtebc(pb5cr, 0x00000000);
-
/*--------------------------------------------------------------------
* Setup the GPIO pins
*-------------------------------------------------------------------*/
out32(GPIO1_TSRL, in32(GPIO1_TSRL) & ~0x0000ff00);
out32(GPIO1_ISR1L, in32(GPIO1_ISR1L) | 0x00005500);
+#ifdef CONFIG_440EP
/*setup USB 2.0 */
out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000);
out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x50000000);
out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xf);
out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0xaa);
out32(GPIO0_ISR2H, in32(GPIO0_ISR2H) | 0x00000500);
+#endif
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
/*enable ethernet */
*(unsigned char *)(CFG_BCSR_BASE | 0x08) = 0xf0;
+#ifdef CONFIG_440EP
/*enable usb 1.1 fs device and remove usb 2.0 reset */
*(unsigned char *)(CFG_BCSR_BASE | 0x09) = 0x00;
+#endif
/*get rid of flash write protect */
*(unsigned char *)(CFG_BCSR_BASE | 0x07) = 0x00;
int checkboard(void)
{
char *s = getenv("serial#");
+ u8 rev;
+ u8 val;
+#ifdef CONFIG_440EP
printf("Board: Yosemite - AMCC PPC440EP Evaluation Board");
+#else
+ printf("Board: Yellowstone - AMCC PPC440GR Evaluation Board");
+#endif
+
+ rev = in_8((void *)(CFG_BCSR_BASE + 0));
+ val = in_8((void *)(CFG_BCSR_BASE + 5)) & CFG_BCSR5_PCI66EN;
+ printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
+
if (s != NULL) {
puts(", serial# ");
puts(s);
}
/*************************************************************************
- * sdram_init -- doesn't use serial presence detect.
+ * initdram -- doesn't use serial presence detect.
*
* Assumes: 256 MB, ECC, non-registered
* PLB @ 133 MHz
*tr1_value = (first_good + last_bad) / 2;
}
-void sdram_init(void)
+long int initdram(int board)
{
register uint reg;
int tr1_bank1, tr1_bank2;
sdram_tr1_set(0x00000000, &tr1_bank1);
sdram_tr1_set(0x08000000, &tr1_bank2);
- mtsdram(mem_tr1, (((tr1_bank1+tr1_bank2)/2) | 0x80800800) );
-}
+ mtsdram(mem_tr1, (((tr1_bank1+tr1_bank2)/2) | 0x80800800));
-/*************************************************************************
- * long int initdram
- *
- ************************************************************************/
-long int initdram(int board)
-{
- sdram_init();
return CFG_SDRAM_BANKS * (CFG_KBYTES_SDRAM * 1024); /* return bytes */
}
-#if defined(CFG_DRAM_TEST)
-int testdram(void)
-{
- unsigned long *mem = (unsigned long *)0;
- const unsigned long kend = (1024 / sizeof(unsigned long));
- unsigned long k, n;
-
- mtmsr(0);
-
- for (k = 0; k < CFG_KBYTES_SDRAM;
- ++k, mem += (1024 / sizeof(unsigned long))) {
- if ((k & 1023) == 0) {
- printf("%3d MB\r", k / 1024);
- }
-
- memset(mem, 0xaaaaaaaa, 1024);
- for (n = 0; n < kend; ++n) {
- if (mem[n] != 0xaaaaaaaa) {
- printf("SDRAM test fails at: %08x\n",
- (uint) & mem[n]);
- return 1;
- }
- }
-
- memset(mem, 0x55555555, 1024);
- for (n = 0; n < kend; ++n) {
- if (mem[n] != 0x55555555) {
- printf("SDRAM test fails at: %08x\n",
- (uint) & mem[n]);
- return 1;
- }
- }
- }
- printf("SDRAM test passes\n");
- return 0;
-}
-#endif
-
/*************************************************************************
* pci_pre_init
*
* certain pre-initialization actions.
*
************************************************************************/
-#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT)
+#if defined(CONFIG_PCI)
int pci_pre_init(struct pci_controller *hose)
{
unsigned long addr;
return 1;
}
-#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+#endif /* defined(CONFIG_PCI) */
/*************************************************************************
* pci_target_init
}
#endif
+
+void board_reset(void)
+{
+ /* give reset to BCSR */
+ *(unsigned char *)(CFG_BCSR_BASE | 0x06) = 0x09;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ u32 val[4];
+ int rc;
+
+ ft_cpu_setup(blob, bd);
+
+ /* Fixup NOR mapping */
+ val[0] = 0; /* chip select number */
+ val[1] = 0; /* always 0 */
+ val[2] = gd->bd->bi_flashstart;
+ val[3] = gd->bd->bi_flashsize;
+ rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
+ val, sizeof(val), 1);
+ if (rc)
+ printf("Unable to update property NOR mapping, err=%s\n",
+ fdt_strerror(rc));
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */