|
@@ -1,6 +1,9 @@
|
|
/*
|
|
/*
|
|
- * Copyright 2005 Freescale Semiconductor.
|
|
|
|
|
|
+ * Copyright (C) Freescale Semiconductor,Inc.
|
|
|
|
+ * 2005, 2006. All rights reserved.
|
|
|
|
+ *
|
|
* Ed Swarthout (ed.swarthout@freescale.com)
|
|
* Ed Swarthout (ed.swarthout@freescale.com)
|
|
|
|
+ * Jason Jin (Jason.jin@freescale.com)
|
|
*
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
* project.
|
|
@@ -22,142 +25,115 @@
|
|
*/
|
|
*/
|
|
|
|
|
|
/*
|
|
/*
|
|
- * PEX Configuration space access support for PEX Bridge
|
|
|
|
|
|
+ * PCIE Configuration space access support for PCIE Bridge
|
|
*/
|
|
*/
|
|
#include <common.h>
|
|
#include <common.h>
|
|
#include <pci.h>
|
|
#include <pci.h>
|
|
|
|
|
|
-
|
|
|
|
#if defined(CONFIG_PCI)
|
|
#if defined(CONFIG_PCI)
|
|
-
|
|
|
|
void
|
|
void
|
|
pci_mpc86xx_init(struct pci_controller *hose)
|
|
pci_mpc86xx_init(struct pci_controller *hose)
|
|
{
|
|
{
|
|
volatile immap_t *immap = (immap_t *)CFG_CCSRBAR;
|
|
volatile immap_t *immap = (immap_t *)CFG_CCSRBAR;
|
|
- volatile ccsr_pex_t *pex1 = &immap->im_pex1;
|
|
|
|
|
|
+ volatile ccsr_pex_t *pcie1 = &immap->im_pex1;
|
|
|
|
+ u16 temp16;
|
|
|
|
+ u32 temp32;
|
|
|
|
+
|
|
volatile ccsr_gur_t *gur = &immap->im_gur;
|
|
volatile ccsr_gur_t *gur = &immap->im_gur;
|
|
uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
|
|
uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
|
|
- uint pex1_host = (host1_agent == 2) || (host1_agent == 3);
|
|
|
|
-
|
|
|
|
- u16 reg16, reg16_1, reg16_2, reg16_3;
|
|
|
|
- u32 reg32, i;
|
|
|
|
-
|
|
|
|
- ulong addr, data;
|
|
|
|
-
|
|
|
|
- uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
|
|
|
|
- uint devdisr = gur->devdisr;
|
|
|
|
- uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
|
|
|
|
-
|
|
|
|
- if ((io_sel==2 || io_sel==3 || io_sel==5
|
|
|
|
- || io_sel==6 || io_sel==7 || io_sel==0xF )
|
|
|
|
- && !(devdisr & MPC86xx_DEVDISR_PCIEX1)){
|
|
|
|
- printf ("PCI-EXPRESS 1: Configured as %s \n",
|
|
|
|
- pex1_agent ? "Agent" : "Host");
|
|
|
|
- printf (" Scanning PCI bus");
|
|
|
|
- debug("0x%08x=0x%08x ", &pex1->pme_msg_det,pex1->pme_msg_det);
|
|
|
|
- if (pex1->pme_msg_det) {
|
|
|
|
- pex1->pme_msg_det = 0xffffffff;
|
|
|
|
- debug (" with errors. Clearing. Now 0x%08x",
|
|
|
|
- pex1->pme_msg_det);
|
|
|
|
- }
|
|
|
|
- debug ("\n");
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- hose->first_busno = 0;
|
|
|
|
- hose->last_busno = 0x7f;
|
|
|
|
-
|
|
|
|
- pci_set_region(hose->regions + 0,
|
|
|
|
- CFG_PCI1_MEM_BASE,
|
|
|
|
- CFG_PCI1_MEM_PHYS,
|
|
|
|
- CFG_PCI1_MEM_SIZE,
|
|
|
|
- PCI_REGION_MEM);
|
|
|
|
-
|
|
|
|
- pci_set_region(hose->regions + 1,
|
|
|
|
- CFG_PCI1_IO_BASE,
|
|
|
|
- CFG_PCI1_IO_PHYS,
|
|
|
|
- CFG_PCI1_IO_SIZE,
|
|
|
|
- PCI_REGION_IO);
|
|
|
|
|
|
+ uint pcie1_host = (host1_agent == 2) || (host1_agent == 3);
|
|
|
|
+ uint pcie1_agent = (host1_agent == 0) || (host1_agent == 1);
|
|
|
|
+ uint devdisr = gur->devdisr;
|
|
|
|
+ uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
|
|
|
|
+
|
|
|
|
+ if ((io_sel ==2 || io_sel == 3 || io_sel == 5 || io_sel == 6 ||
|
|
|
|
+ io_sel == 7 || io_sel == 0xf) && !(devdisr & MPC86xx_DEVDISR_PCIEX1)){
|
|
|
|
+ printf ("PCI-EXPRESS 1: Configured as %s \n",
|
|
|
|
+ pcie1_agent ? "Agent" : "Host");
|
|
|
|
+ if(pcie1_agent) return; /*Don't scan bus when configured as agent*/
|
|
|
|
+ printf (" Scanning PCIE bus");
|
|
|
|
+ debug("0x%08x=0x%08x ", &pcie1->pme_msg_det,pcie1->pme_msg_det);
|
|
|
|
+ if (pcie1->pme_msg_det) {
|
|
|
|
+ pcie1->pme_msg_det = 0xffffffff;
|
|
|
|
+ debug (" with errors. Clearing. Now 0x%08x",
|
|
|
|
+ pcie1->pme_msg_det);
|
|
|
|
+ }
|
|
|
|
+ debug ("\n");
|
|
|
|
+ }
|
|
|
|
+ else{
|
|
|
|
+ printf("PCI-EXPRESS 1 disabled!\n");
|
|
|
|
+ return;
|
|
|
|
+ }
|
|
|
|
|
|
- hose->region_count = 2;
|
|
|
|
|
|
+ /*set first_bus=0 only skipped B0:D0:F0 which is
|
|
|
|
+ * a reserved device in M1575, but make it easy for
|
|
|
|
+ * most of the scan process.
|
|
|
|
+ */
|
|
|
|
+ hose->first_busno = 0x00;
|
|
|
|
+ hose->last_busno = 0xfe;
|
|
|
|
|
|
- pci_setup_indirect(hose,
|
|
|
|
|
|
+ pcie_setup_indirect(hose,
|
|
(CFG_IMMR+0x8000),
|
|
(CFG_IMMR+0x8000),
|
|
(CFG_IMMR+0x8004));
|
|
(CFG_IMMR+0x8004));
|
|
|
|
|
|
- /*
|
|
|
|
- * Hose scan.
|
|
|
|
- */
|
|
|
|
- pci_register_hose(hose);
|
|
|
|
|
|
+ pci_hose_read_config_word(hose, PCI_BDF(0,0,0), PCI_COMMAND, &temp16);
|
|
|
|
+ temp16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER |
|
|
|
|
+ PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
|
|
|
|
+ pci_hose_write_config_word(hose, PCI_BDF(0,0,0), PCI_COMMAND, temp16);
|
|
|
|
|
|
- pci_read_config_word (PCI_BDF(0,0,0), PCI_VENDOR_ID, ®16);
|
|
|
|
- debug("pex_mpc86xx_init: read %2x %4x\n",PCI_VENDOR_ID, reg16);
|
|
|
|
- pci_read_config_word (PCI_BDF(0,0,0), PCI_DEVICE_ID, ®16);
|
|
|
|
- debug("pex_mpc86xx_init: read %2x %4x\n",PCI_DEVICE_ID, reg16);
|
|
|
|
|
|
+ pci_hose_write_config_word(hose,PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
|
|
|
|
+ pci_hose_write_config_byte(hose, PCI_BDF(0,0,0), PCI_LATENCY_TIMER, 0x80);
|
|
|
|
|
|
- pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16);
|
|
|
|
- reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY \
|
|
|
|
- | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
|
|
|
|
- pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
|
|
|
|
|
|
+ pci_hose_read_config_dword(hose, PCI_BDF(0,0,0), PCI_PRIMARY_BUS, &temp32);
|
|
|
|
+ temp32 = (temp32 & 0xff000000) | (0xff) | (0x0 << 8) | (0xfe << 16);
|
|
|
|
+ pci_hose_write_config_dword(hose, PCI_BDF(0,0,0), PCI_PRIMARY_BUS, temp32);
|
|
|
|
|
|
- pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16);
|
|
|
|
- debug("pex_mpc86xx_init: read %2x %4x\n",PCI_COMMAND, reg16);
|
|
|
|
|
|
+ pcie1->powar1 = 0;
|
|
|
|
+ pcie1->powar2 = 0;
|
|
|
|
+ pcie1->piwar1 = 0;
|
|
|
|
+ pcie1->piwar1 = 0;
|
|
|
|
|
|
- /*
|
|
|
|
- * Clear non-reserved bits in status register.
|
|
|
|
- */
|
|
|
|
- /*
|
|
|
|
- * pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
|
|
|
|
- * pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
|
|
|
|
- */
|
|
|
|
|
|
+ pcie1->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
|
|
|
+ pcie1->powar1 = 0x8004401c; /* 512M MEM space */
|
|
|
|
+ pcie1->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
|
|
|
+ pcie1->potear1 = 0x00000000;
|
|
|
|
|
|
- pex1->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
|
|
|
- pex1->powar1 = 0x8004401c; /* 512M MEM space */
|
|
|
|
- pex1->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
|
|
|
- pex1->potear1 = 0x00000000;
|
|
|
|
-
|
|
|
|
- pex1->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
|
|
|
|
- pex1->powar2 = 0x80088017; /* 16M IO space */
|
|
|
|
- pex1->potar2 = 0x00000000;
|
|
|
|
- pex1->potear2 = 0x00000000;
|
|
|
|
-
|
|
|
|
- if (!pex1->piwar1) {
|
|
|
|
- pex1->pitar1 = 0x00000000;
|
|
|
|
- pex1->piwbar1 = (0x80000000 >> 12 ) & 0x000fffff;
|
|
|
|
- pex1->piwar1 = 0xa0f5501e; /* Enable, Prefetch, Local Mem,
|
|
|
|
- * Snoop R/W, 2G */
|
|
|
|
- }
|
|
|
|
|
|
+ pcie1->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
|
|
|
|
+ pcie1->powar2 = 0x80088017; /* 16M IO space */
|
|
|
|
+ pcie1->potar2 = 0x00000000;
|
|
|
|
+ pcie1->potear2 = 0x00000000;
|
|
|
|
|
|
- pex1->pitar2 = 0x00000000;
|
|
|
|
- pex1->piwbar2 = (0xe2000000 >> 12 ) & 0x000fffff;
|
|
|
|
- pex1->piwar2 = 0xa0f5501e; /* Enable, Prefetch, Local Mem,
|
|
|
|
- * Snoop R/W, 2G */
|
|
|
|
|
|
+ pcie1->pitar1 = 0x00000000;
|
|
|
|
+ pcie1->piwbar1 = 0x00000000;
|
|
|
|
+ /* Enable, Prefetch, Local Mem, * Snoop R/W, 2G */
|
|
|
|
+ pcie1->piwar1 = 0xa0f5501e;
|
|
|
|
|
|
- *(u32 *)(0xf8008000)= 0x80000000;
|
|
|
|
- debug("Received data for addr 0x%08lx is 0x%08lx\n",
|
|
|
|
- *(u32*)(0xf8008000), *(u32*)(0xf8008004));
|
|
|
|
|
|
+ pci_set_region(hose->regions + 0,
|
|
|
|
+ CFG_PCI_MEMORY_BUS,
|
|
|
|
+ CFG_PCI_MEMORY_PHYS,
|
|
|
|
+ CFG_PCI_MEMORY_SIZE,
|
|
|
|
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
|
|
|
|
|
|
- pci_write_config_byte(PCI_BDF(0,0,0), PCI_PRIMARY_BUS,0x20);
|
|
|
|
- pci_write_config_byte(PCI_BDF(0,0,0), PCI_SECONDARY_BUS,0x00);
|
|
|
|
- pci_write_config_byte(PCI_BDF(0,0,0), PCI_SUBORDINATE_BUS,0x1F);
|
|
|
|
|
|
+ pci_set_region(hose->regions + 1,
|
|
|
|
+ CFG_PCI1_MEM_BASE,
|
|
|
|
+ CFG_PCI1_MEM_PHYS,
|
|
|
|
+ CFG_PCI1_MEM_SIZE,
|
|
|
|
+ PCI_REGION_MEM);
|
|
|
|
|
|
- *(u32 *)(0xf8008000)= 0x80200000;
|
|
|
|
- debug("Received data for addr 0x%08lx is 0x%08lx\n",
|
|
|
|
- *(u32*)(0xf8008000), *(u32*)(0xf8008004));
|
|
|
|
|
|
+ pci_set_region(hose->regions + 2,
|
|
|
|
+ CFG_PCI1_IO_BASE,
|
|
|
|
+ CFG_PCI1_IO_PHYS,
|
|
|
|
+ CFG_PCI1_IO_SIZE,
|
|
|
|
+ PCI_REGION_IO);
|
|
|
|
|
|
- *(u32 *)(0xf8008000)= 0x80200000;
|
|
|
|
- debug("Received data for addr 0x%08lx is 0x%08lx\n",
|
|
|
|
- *(u32*)(0xf8008000), *(u32*)(0xf8008004));
|
|
|
|
|
|
+ hose->region_count = 3;
|
|
|
|
|
|
- *(u32 *)(0xf8008000)= 0x80200000;
|
|
|
|
- debug("Received data for addr 0x%08lx is 0x%08lx\n",
|
|
|
|
- *(u32*)(0xf8008000), *(u32*)(0xf8008004));
|
|
|
|
|
|
+ pci_register_hose(hose);
|
|
|
|
|
|
hose->last_busno = pci_hose_scan(hose);
|
|
hose->last_busno = pci_hose_scan(hose);
|
|
- hose->last_busno = 0x21;
|
|
|
|
- debug("pex_mpc86xx_init: last_busno %x\n",hose->last_busno);
|
|
|
|
- debug("pex_mpc86xx init: current_busno %x\n ",hose->current_busno);
|
|
|
|
|
|
+ debug("pcie_mpc86xx_init: last_busno %x\n",hose->last_busno);
|
|
|
|
+ debug("pcie_mpc86xx init: current_busno %x\n ",hose->current_busno);
|
|
|
|
|
|
- printf("....PCI scan & enumeration done\n");
|
|
|
|
|
|
+ printf("....PCIE1 scan & enumeration done\n");
|
|
}
|
|
}
|
|
-
|
|
|
|
#endif /* CONFIG_PCI */
|
|
#endif /* CONFIG_PCI */
|