[U-Boot-Users] [PATCH] Modify SBC8641D to use new Freescale PCI routines
Joe Hamman
joe.hamman at embeddedspecialties.com
Sat Aug 11 13:54:58 CEST 2007
PCI-Express sockets 1 and 2 verified working with Intel Pro/1000 PT
adapter.
Signed-off by: Joe Hamman <joe.hamman at embeddedspecialties.com>
diff -uprN -X ../dontdiff a/board/sbc8641d/sbc8641d.c b/board/sbc8641d/sbc8641d.c
--- a/board/sbc8641d/sbc8641d.c 2007-08-11 06:44:18.000000000 -0500
+++ b/board/sbc8641d/sbc8641d.c 2007-08-11 06:36:05.000000000 -0500
@@ -33,6 +33,7 @@
#include <pci.h>
#include <asm/processor.h>
#include <asm/immap_86xx.h>
+#include <asm/immap_fsl_pci.h>
#include <spd.h>
#if defined(CONFIG_OF_FLAT_TREE)
@@ -60,36 +61,6 @@ int checkboard (void)
{
puts ("Board: Wind River SBC8641D\n");
-#ifdef CONFIG_PCI
-
- volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
- volatile ccsr_gur_t *gur = &immap->im_gur;
- volatile ccsr_pex_t *pex1 = &immap->im_pex1;
-
- uint devdisr = gur->devdisr;
- uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
- uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
- uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
-
- if ((io_sel == 2 || io_sel == 3 || io_sel == 5
- || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
- && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
- debug ("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
- 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");
- } else {
- puts ("PCI-EXPRESS 1: Disabled in hardware\n");
- }
-
-#else
- puts ("PCI-EXPRESS1: Disabled in configuration\n");
-#endif
-
return 0;
}
@@ -244,21 +215,130 @@ static struct pci_config_table pci_fsl86
};
#endif
-static struct pci_controller hose = {
+static struct pci_controller pci1_hose = {
#ifndef CONFIG_PCI_PNP
- config_table:pci_mpc86xxcts_config_table,
+ config_table:pci_mpc86xxcts_config_table
#endif
};
+#endif /* CONFIG_PCI */
+
+#ifdef CONFIG_PCI2
+static struct pci_controller pci2_hose;
+#endif /* CONFIG_PCI2 */
-#endif /* CONFIG_PCI */
+int first_free_busno = 0;
-void pci_init_board (void)
+void pci_init_board(void)
{
-#ifdef CONFIG_PCI
- extern void pci_mpc86xx_init (struct pci_controller *hose);
+ volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
+ volatile ccsr_gur_t *gur = &immap->im_gur;
+ uint devdisr = gur->devdisr;
+ uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
+
+#ifdef CONFIG_PCI1
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci1_hose;
+#ifdef DEBUG
+ uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
+ uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
+#endif
+ if ((io_sel == 2 || io_sel == 3 || io_sel == 5
+ || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
+ && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
+ debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
+ debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
+ if (pci->pme_msg_det) {
+ pci->pme_msg_det = 0xffffffff;
+ debug(" with errors. Clearing. Now 0x%08x",
+ pci->pme_msg_det);
+ }
+ debug("\n");
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCI1_MEM_BASE,
+ CFG_PCI1_MEM_PHYS,
+ CFG_PCI1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCI1_IO_BASE,
+ CFG_PCI1_IO_PHYS,
+ CFG_PCI1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+
+ hose->first_busno=first_free_busno;
+ pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
+
+ fsl_pci_init(hose);
+
+ first_free_busno=hose->last_busno+1;
+ printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
+ hose->first_busno,hose->last_busno);
+
+ } else {
+ puts("PCI-EXPRESS 1: Disabled\n");
+ }
+}
+#else
+ puts("PCI-EXPRESS1: Disabled\n");
+#endif /* CONFIG_PCI1 */
+
+#ifdef CONFIG_PCI2
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci2_hose;
+
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCI2_MEM_BASE,
+ CFG_PCI2_MEM_PHYS,
+ CFG_PCI2_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCI2_IO_BASE,
+ CFG_PCI2_IO_PHYS,
+ CFG_PCI2_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+
+ hose->first_busno=first_free_busno;
+ pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
+
+ fsl_pci_init(hose);
+
+ first_free_busno=hose->last_busno+1;
+ printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
+ hose->first_busno,hose->last_busno);
+}
+#else
+ puts("PCI-EXPRESS 2: Disabled\n");
+#endif /* CONFIG_PCI2 */
- pci_mpc86xx_init (&hose);
-#endif /* CONFIG_PCI */
}
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
diff -uprN -X ../dontdiff a/include/configs/sbc8641d.h b/include/configs/sbc8641d.h
--- a/include/configs/sbc8641d.h 2007-08-11 06:44:19.000000000 -0500
+++ b/include/configs/sbc8641d.h 2007-08-11 06:37:16.000000000 -0500
@@ -49,8 +49,10 @@
#define CFG_RESET_ADDRESS 0xfff00100
-#undef CONFIG_PCI
-#define CONFIG_FSL_PCI_INIT 1
+#define CONFIG_PCI 1 /* Enable PCIE */
+#define CONFIG_PCI1 1 /* PCIE controler 1 (slot 1) */
+#define CONFIG_PCI2 1 /* PCIE controler 2 (slot 2) */
+#define CONFIG_FSL_PCI_INIT 1 /* Use common FSL init code */
#define CONFIG_TSEC_ENET /* tsec ethernet support */
#define CONFIG_ENV_OVERWRITE
@@ -95,6 +97,9 @@
#define CFG_CCSRBAR 0xf8000000 /* relocated CCSRBAR */
#define CFG_IMMR CFG_CCSRBAR /* PQII uses CFG_IMMR */
+#define CFG_PCI1_ADDR (CFG_CCSRBAR+0x8000)
+#define CFG_PCI2_ADDR (CFG_CCSRBAR+0x9000)
+
/*
* DDR Setup
*/
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