Add PCI Express support on MPC8568MDS
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/mpc8568mds/mpc8568mds.c b/board/mpc8568mds/mpc8568mds.c
index 2a68185..ab5b67d 100644
--- a/board/mpc8568mds/mpc8568mds.c
+++ b/board/mpc8568mds/mpc8568mds.c
@@ -26,10 +26,15 @@
#include <pci.h>
#include <asm/processor.h>
#include <asm/immap_85xx.h>
+#include <asm/immap_fsl_pci.h>
#include <spd.h>
#include <i2c.h>
#include <ioports.h>
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+#endif
+
#include "bcsr.h"
const qe_iop_conf_t qe_iop_conf_tab[] = {
@@ -336,16 +341,19 @@
};
#endif
-static struct pci_controller hose[] = {
- {
+static struct pci_controller pci1_hose = {
#ifndef CONFIG_PCI_PNP
config_table: pci_mpc8568mds_config_table,
#endif
- }
};
-
#endif /* CONFIG_PCI */
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif /* CONFIG_PCIE1 */
+
+int first_free_busno = 0;
+
/*
* pib_init() -- Initialize the PCA9555 IO expander on the PIB board
*/
@@ -388,11 +396,170 @@
asm("eieio");
}
+#ifdef CONFIG_PCI
void
pci_init_board(void)
{
-#ifdef CONFIG_PCI
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
+ uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+
+#ifdef CONFIG_PCI1
+{
pib_init();
- pci_mpc85xx_init(hose);
+
+ 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;
+
+ uint pci_32 = 1; /* PORDEVSR[15] */
+ uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
+ uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
+
+ uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6);
+
+ uint pci_speed = 66666000;
+
+ if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
+ printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
+ (pci_32) ? 32 : 64,
+ (pci_speed == 33333000) ? "33" :
+ (pci_speed == 66666000) ? "66" : "unknown",
+ pci_clk_sel ? "sync" : "async",
+ pci_agent ? "agent" : "host",
+ pci_arb ? "arbiter" : "external-arbiter"
+ );
+
+ /* 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 on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
+ } else {
+ printf (" PCI: disabled\n");
+ }
+}
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
+#endif
+
+#ifdef CONFIG_PCIE1
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pcie1_hose;
+ int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3);
+
+ int pcie_configured = io_sel >= 1;
+
+ if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
+ printf ("\n PCIE connected to slot as %s (base address %x)",
+ pcie_ep ? "End Point" : "Root Complex",
+ (uint)pci);
+
+ if (pci->pme_msg_det) {
+ pci->pme_msg_det = 0xffffffff;
+ debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
+ }
+ printf ("\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_PCIE1_MEM_BASE,
+ CFG_PCIE1_MEM_PHYS,
+ CFG_PCIE1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCIE1_IO_BASE,
+ CFG_PCIE1_IO_PHYS,
+ CFG_PCIE1_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);
+ printf ("PCIE on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
+
+ first_free_busno=hose->last_busno+1;
+
+ } else {
+ printf (" PCIE: disabled\n");
+ }
+}
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
#endif
}
+#endif /* CONFIG_PCI */
+
+#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ u32 *p;
+ int len;
+
+ ft_cpu_setup(blob, bd);
+ p = ft_get_prop(blob, "/memory/reg", &len);
+ if (p != NULL) {
+ *p++ = cpu_to_be32(bd->bi_memstart);
+ *p = cpu_to_be32(bd->bi_memsize);
+ }
+
+#ifdef CONFIG_PCI1
+ p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8000/bus-range", &len);
+ if (p != NULL) {
+ p[0] = 0;
+ p[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+ debug("PCI@8000 first_busno=%d last_busno=%d\n",p[0],p[1]);
+ }
+#endif
+
+#ifdef CONFIG_PCIE1
+ p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@a000/bus-range", &len);
+ if (p != NULL) {
+ p[0] = 0;
+ p[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
+ debug("PCI@a000 first_busno=%d last_busno=%d\n",p[0],p[1]);
+ }
+#endif
+}
+#endif
+
+