/*
- * (C) Copyright 2007
+ * (C) Copyright 2007-2008
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
return 0;
}
-#if defined(CFG_DRAM_TEST)
-int testdram (void)
-{
- uint *pstart = (uint *) 0x00000000;
- uint *pend = (uint *) 0x08000000;
- uint *p;
-
- for (p = pstart; p < pend; p++)
- *p = 0xaaaaaaaa;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0xaaaaaaaa) {
- printf ("SDRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
-
- for (p = pstart; p < pend; p++)
- *p = 0x55555555;
+/*
+ * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * board specific values.
+ */
+u32 ddr_wrdtr(u32 default_val) {
+ return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_180_DEG_ADV | 0x823);
+}
- for (p = pstart; p < pend; p++) {
- if (*p != 0x55555555) {
- printf ("SDRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
- return 0;
+u32 ddr_clktr(u32 default_val) {
+ return (SDRAM_CLKTR_CLKP_90_DEG_ADV);
}
-#endif
/*************************************************************************
* pci_pre_init
pci_register_hose(hose);
if (is_end_point(i)) {
- ppc4xx_setup_pcie_endpoint(hose, i);
+ ppc4xx_setup_pcie_endpoint(hose, i);
/*
* Reson for no scanning is endpoint can not generate
* upstream configuration accesses.
- */
+ */
} else {
- ppc4xx_setup_pcie_rootpoint(hose, i);
+ ppc4xx_setup_pcie_rootpoint(hose, i);
env = getenv ("pciscandelay");
- if (env != NULL) {
- delay = simple_strtoul(env, NULL, 10);
+ if (env != NULL) {
+ delay = simple_strtoul(env, NULL, 10);
if (delay > 5)
- printf("Warning, expect noticable delay before "
+ printf("Warning, expect noticable delay before "
"PCIe scan due to 'pciscandelay' value!\n");
mdelay(delay * 1000);
}
- /*
- * Config access can only go down stream
- */
- hose->last_busno = pci_hose_scan(hose);
- bus = hose->last_busno + 1;
+ /*
+ * Config access can only go down stream
+ */
+ hose->last_busno = pci_hose_scan(hose);
+ bus = hose->last_busno + 1;
}
}
}