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authorStefan Roese <sr@denx.de>2008-01-13 15:04:37 +0100
committerStefan Roese <sr@denx.de>2008-01-13 15:04:37 +0100
commit8d79953d03e6c5b24215609997dafe4daa623cd6 (patch)
treecb9a4246cde2d32fa600461da008c7d59b57cf4b /board/amcc/katmai/katmai.c
parent47cc23cbe9a669c510183f4f049bf703ef445f3b (diff)
parent2b2f43ed6a30ece77f76191c845ac95267daa31a (diff)
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Merge branch 'master' of /home/stefan/git/u-boot/u-boot
Diffstat (limited to 'board/amcc/katmai/katmai.c')
-rw-r--r--board/amcc/katmai/katmai.c121
1 files changed, 74 insertions, 47 deletions
diff --git a/board/amcc/katmai/katmai.c b/board/amcc/katmai/katmai.c
index a49066f..e41caaf 100644
--- a/board/amcc/katmai/katmai.c
+++ b/board/amcc/katmai/katmai.c
@@ -1,5 +1,5 @@
/*
- * (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
@@ -24,21 +24,16 @@
#include <common.h>
#include <ppc4xx.h>
-#include <asm/processor.h>
#include <i2c.h>
-#include <asm-ppc/io.h>
-#include <asm-ppc/gpio.h>
-
-#include "../cpu/ppc4xx/440spe_pcie.h"
-
-#undef PCIE_ENDPOINT
-/* #define PCIE_ENDPOINT 1 */
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/4xx_pcie.h>
DECLARE_GLOBAL_DATA_PTR;
-int ppc440spe_init_pcie_rootport(int port);
-void ppc440spe_setup_pcie(struct pci_controller *hose, int port);
-
int board_early_init_f (void)
{
unsigned long mfr;
@@ -224,10 +219,9 @@ int board_early_init_f (void)
mtdcr (uic0sr, 0x00000000); /* clear all interrupts*/
mtdcr (uic0sr, 0xffffffff); /* clear all interrupts*/
-/* SDR0_MFR should be part of Ethernet init */
- mfsdr (sdr_mfr, mfr);
- mfr &= ~SDR0_MFR_ECS_MASK;
-/* mtsdr(sdr_mfr, mfr); */
+ mfsdr(sdr_mfr, mfr);
+ mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */
+ mtsdr(sdr_mfr, mfr);
mtsdr(SDR0_PFC0, CFG_PFC0);
@@ -252,6 +246,18 @@ int checkboard (void)
return 0;
}
+/*
+ * 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);
+}
+
+u32 ddr_clktr(u32 default_val) {
+ return (SDRAM_CLKTR_CLKP_90_DEG_ADV);
+}
+
#if defined(CFG_DRAM_TEST)
int testdram (void)
{
@@ -396,6 +402,7 @@ void pcie_setup_hoses(int busno)
{
struct pci_controller *hose;
int i, bus;
+ int ret = 0;
char *env;
unsigned int delay;
@@ -409,12 +416,13 @@ void pcie_setup_hoses(int busno)
if (!katmai_pcie_card_present(i))
continue;
-#ifdef PCIE_ENDPOINT
- if (ppc440spe_init_pcie_endport(i)) {
-#else
- if (ppc440spe_init_pcie_rootport(i)) {
-#endif
- printf("PCIE%d: initialization failed\n", i);
+ if (is_end_point(i))
+ ret = ppc4xx_init_pcie_endport(i);
+ else
+ ret = ppc4xx_init_pcie_rootport(i);
+ if (ret) {
+ printf("PCIE%d: initialization as %s failed\n", i,
+ is_end_point(i) ? "endpoint" : "root-complex");
continue;
}
@@ -428,35 +436,33 @@ void pcie_setup_hoses(int busno)
CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
CFG_PCIE_MEMSIZE,
- PCI_REGION_MEM
- );
+ PCI_REGION_MEM);
hose->region_count = 1;
pci_register_hose(hose);
-#ifdef PCIE_ENDPOINT
- ppc440spe_setup_pcie_endpoint(hose, i);
- /*
- * Reson for no scanning is endpoint can not generate
- * upstream configuration accesses.
- */
-#else
- ppc440spe_setup_pcie_rootpoint(hose, i);
-
- env = getenv ("pciscandelay");
- if (env != NULL) {
- delay = simple_strtoul (env, NULL, 10);
- if (delay > 5)
- printf ("Warning, expect noticable delay before PCIe"
- "scan due to 'pciscandelay' value!\n");
- mdelay (delay * 1000);
+ if (is_end_point(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);
+ env = getenv ("pciscandelay");
+ if (env != NULL) {
+ delay = simple_strtoul(env, NULL, 10);
+ if (delay > 5)
+ 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;
-#endif
}
}
#endif /* defined(CONFIG_PCI) */
@@ -541,3 +547,24 @@ int post_hotkeys_pressed(void)
return (ctrlc());
}
#endif
+
+#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) */