#include <common.h>
#include <ppc4xx.h>
-#include <asm/processor.h>
#include <i2c.h>
-#include <asm-ppc/io.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/4xx_pcie.h>
#include "yucca.h"
-#include "../cpu/ppc4xx/440spe_pcie.h"
-#undef PCIE_ENDPOINT
-/* #define PCIE_ENDPOINT 1 */
+DECLARE_GLOBAL_DATA_PTR;
-void fpga_init (void);
+void fpga_init (void);
void get_sys_info(PPC440_SYS_INFO *board_cfg );
int compare_to_true(char *str );
char *remove_l_w_space(char *in_str );
char *remove_t_w_space(char *in_str );
int get_console_port(void);
-int ppc440spe_init_pcie_rootport(int port);
-void ppc440spe_setup_pcie(struct pci_controller *hose, int port);
-
#define DEBUG_ENV
#ifdef DEBUG_ENV
#define DEBUGF(fmt,args...) printf(fmt ,##args)
#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
void pci_target_init(struct pci_controller * hose )
{
- DECLARE_GLOBAL_DATA_PTR;
-
/*-------------------------------------------------------------------+
* Disable everything
*-------------------------------------------------------------------*/
static struct pci_controller pcie_hose[3] = {{0},{0},{0}};
-void pcie_setup_hoses(void)
+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 = 1;
+ bus = busno;
for (i = 0; i <= 2; i++) {
/* Check for yucca card presence */
if (!yucca_pcie_card_present(i))
continue;
-#ifdef PCIE_ENDPOINT
- yucca_setup_pcie_fpga_endpoint(i);
- if (ppc440spe_init_pcie_endport(i)) {
-#else
- yucca_setup_pcie_fpga_rootpoint(i);
- if (ppc440spe_init_pcie_rootport(i)) {
-#endif
- printf("PCIE%d: initialization failed\n", i);
- continue;
+ if (is_end_point(i)) {
+ printf("PCIE%d: will be configured as endpoint\n",i);
+ yucca_setup_pcie_fpga_endpoint(i);
+ ret = ppc4xx_init_pcie_endport(i);
+ } else {
+ printf("PCIE%d: will be configured as root-complex\n",i);
+ yucca_setup_pcie_fpga_rootpoint(i);
+ ret = ppc4xx_init_pcie_rootport(i);
}
+ if (ret) {
+ printf("PCIE%d: initialization failed\n", i);
+ continue;
+ }
hose = &pcie_hose[i];
hose->first_busno = bus;
- hose->last_busno = bus;
- bus++;
+ hose->last_busno = bus;
+ hose->current_busno = bus;
/* setup mem resource */
pci_set_region(hose->regions + 0,
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);
- /*
- * Config access can only go down stream
- */
- hose->last_busno = pci_hose_scan(hose);
-#endif
+ 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) */