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Diffstat (limited to 'board/amcc/canyonlands/canyonlands.c')
-rw-r--r--board/amcc/canyonlands/canyonlands.c130
1 files changed, 3 insertions, 127 deletions
diff --git a/board/amcc/canyonlands/canyonlands.c b/board/amcc/canyonlands/canyonlands.c
index 91fae19..13a0dac 100644
--- a/board/amcc/canyonlands/canyonlands.c
+++ b/board/amcc/canyonlands/canyonlands.c
@@ -326,141 +326,17 @@ phys_size_t initdram(int board_type)
}
#endif
-/*
- * pci_target_init
- *
- * The bootstrap configuration provides default settings for the pci
- * inbound map (PIM). But the bootstrap config choices are limited and
- * may not be sufficient for a given board.
- */
-#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
-void pci_target_init(struct pci_controller * hose )
-{
- /*
- * Disable everything
- */
- out_le32((void *)PCIL0_PIM0SA, 0); /* disable */
- out_le32((void *)PCIL0_PIM1SA, 0); /* disable */
- out_le32((void *)PCIL0_PIM2SA, 0); /* disable */
- out_le32((void *)PCIL0_EROMBA, 0); /* disable expansion rom */
-
- /*
- * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440
- * strapping options to not support sizes such as 128/256 MB.
- */
- out_le32((void *)PCIL0_PIM0LAL, CONFIG_SYS_SDRAM_BASE);
- out_le32((void *)PCIL0_PIM0LAH, 0);
- out_le32((void *)PCIL0_PIM0SA, ~(gd->ram_size - 1) | 1);
- out_le32((void *)PCIL0_BAR0, 0);
-
- /*
- * Program the board's subsystem id/vendor id
- */
- out_le16((void *)PCIL0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID);
- out_le16((void *)PCIL0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
-
- out_le16((void *)PCIL0_CMD, in16r(PCIL0_CMD) | PCI_COMMAND_MEMORY);
-}
-#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
-
#if defined(CONFIG_PCI)
-/*
- * is_pci_host
- *
- * This routine is called to determine if a pci scan should be
- * performed. With various hardware environments (especially cPCI and
- * PPMC) it's insufficient to depend on the state of the arbiter enable
- * bit in the strap register, or generic host/adapter assumptions.
- *
- * Rather than hard-code a bad assumption in the general 440 code, the
- * 440 pci code requires the board to decide at runtime.
- *
- * Return 0 for adapter mode, non-zero for host (monarch) mode.
- */
-int is_pci_host(struct pci_controller *hose)
+int board_pcie_first(void)
{
- /* Board is always configured as host. */
- return (1);
-}
-
-static struct pci_controller pcie_hose[2] = {{0},{0}};
-
-void pcie_setup_hoses(int busno)
-{
- struct pci_controller *hose;
- int i, bus;
- int ret = 0;
- char *env;
- unsigned int delay;
- int start;
-
- /*
- * assume we're called after the PCIX hose is initialized, which takes
- * bus ID 0 and therefore start numbering PCIe's from 1.
- */
- bus = busno;
-
/*
* Canyonlands with SATA enabled has only one PCIe slot
* (2nd one).
*/
if (gd->board_type == BOARD_CANYONLANDS_SATA)
- start = 1;
- else
- start = 0;
-
- for (i = start; i <= 1; i++) {
+ return 1;
- if (is_end_point(i))
- ret = ppc4xx_init_pcie_endport(i);
- else
- ret = ppc4xx_init_pcie_rootport(i);
- if (ret == -ENODEV)
- continue;
- if (ret) {
- printf("PCIE%d: initialization as %s failed\n", i,
- is_end_point(i) ? "endpoint" : "root-complex");
- continue;
- }
-
- hose = &pcie_hose[i];
- hose->first_busno = bus;
- hose->last_busno = bus;
- hose->current_busno = bus;
-
- /* setup mem resource */
- pci_set_region(hose->regions + 0,
- CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE,
- CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE,
- CONFIG_SYS_PCIE_MEMSIZE,
- PCI_REGION_MEM);
- hose->region_count = 1;
- pci_register_hose(hose);
-
- 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;
- }
- }
+ return 0;
}
#endif /* CONFIG_PCI */