/*
- * (C) Copyright 2007-2008
+ * (C) Copyright 2007-2009
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/4xx_pcie.h>
+#include <asm/errno.h>
DECLARE_GLOBAL_DATA_PTR;
}
/*
- * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * Override the default functions in arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c with
* board specific values.
*/
u32 ddr_wrdtr(u32 default_val) {
return (SDRAM_CLKTR_CLKP_90_DEG_ADV);
}
-/*************************************************************************
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller * hose )
-{
- unsigned long strap;
-
- /*-------------------------------------------------------------------+
- * The katmai board is always configured as the host & requires the
- * PCI arbiter to be enabled.
- *-------------------------------------------------------------------*/
- mfsdr(SDR0_SDSTP1, strap);
- if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ) {
- printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
- return 0;
- }
-
- return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-/*************************************************************************
- * 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
- *-------------------------------------------------------------------*/
- out32r( PCIX0_PIM0SA, 0 ); /* disable */
- out32r( PCIX0_PIM1SA, 0 ); /* disable */
- out32r( PCIX0_PIM2SA, 0 ); /* disable */
- out32r( PCIX0_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.
- *-------------------------------------------------------------------*/
- out32r( PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE );
- out32r( PCIX0_PIM0LAH, 0 );
- out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );
- out32r( PCIX0_BAR0, 0 );
-
- /*-------------------------------------------------------------------+
- * Program the board's subsystem id/vendor id
- *-------------------------------------------------------------------*/
- out16r( PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID );
- out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID );
-
- out16r( PCIX0_CMD, in16r(PCIX0_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)
-{
- /* The katmai board is always configured as host. */
- return 1;
-}
-
-static int katmai_pcie_card_present(int port)
+int board_pcie_card_present(int port)
{
u32 val;
return 0;
}
}
-
-static struct pci_controller pcie_hose[3] = {{0},{0},{0}};
-
-void pcie_setup_hoses(int busno)
-{
- struct pci_controller *hose;
- int i, bus;
- int ret = 0;
- char *env;
- unsigned int delay;
-
- /*
- * 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;
- for (i = 0; i <= 2; i++) {
- /* Check for katmai card presence */
- if (!katmai_pcie_card_present(i))
- continue;
-
- 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;
- }
-
- 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;
- }
- }
-}
#endif /* defined(CONFIG_PCI) */
-#ifdef CONFIG_POST
-/*
- * Returns 1 if keys pressed to start the power-on long-running tests
- * Called from board_init_f().
- */
-int post_hotkeys_pressed(void)
-{
- return (ctrlc());
-}
-#endif
-
int board_eth_init(bd_t *bis)
{
cpu_eth_init(bis);
projects / karo-tx-uboot.git / blobdiff