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authorKumar Gala <galak@kernel.crashing.org>2010-07-09 09:12:18 -0500
committerKumar Gala <galak@kernel.crashing.org>2010-10-07 09:49:47 -0500
commit1bf8e9fd7498da3f9b109944b0551c589402d643 (patch)
tree8e51b8d847f26f8358a45c05077fc8d6f9aa6250 /board
parentc2b3b6408bb011a618f67aeec1928482b679b319 (diff)
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powerpc/85xx: Add support for 4th PCI controller on corenet_ds
We configure the controller but dont have virtual address space thus any devices on the 4th controller are not accessible in u-boot. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board')
-rw-r--r--board/freescale/corenet_ds/pci.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/board/freescale/corenet_ds/pci.c b/board/freescale/corenet_ds/pci.c
index 2994e36..e1bca19 100644
--- a/board/freescale/corenet_ds/pci.c
+++ b/board/freescale/corenet_ds/pci.c
@@ -40,10 +40,14 @@ static struct pci_controller pcie2_hose;
static struct pci_controller pcie3_hose;
#endif
+#ifdef CONFIG_PCIE4
+static struct pci_controller pcie4_hose;
+#endif
+
void pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
- struct fsl_pci_info pci_info[3];
+ struct fsl_pci_info pci_info[4];
u32 devdisr;
int first_free_busno = 0;
int num = 0;
@@ -119,6 +123,28 @@ void pci_init_board(void)
#else
setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_PCIE3); /* disable */
#endif
+
+#ifdef CONFIG_PCIE4
+ pcie_configured = is_serdes_configured(PCIE4);
+
+ if (pcie_configured && !(devdisr & FSL_CORENET_DEVDISR_PCIE4)) {
+ set_next_law(CONFIG_SYS_PCIE4_MEM_PHYS, LAW_SIZE_512M,
+ LAW_TRGT_IF_PCIE_4);
+ set_next_law(CONFIG_SYS_PCIE4_IO_PHYS, LAW_SIZE_64K,
+ LAW_TRGT_IF_PCIE_4);
+ SET_STD_PCIE_INFO(pci_info[num], 4);
+ pcie_ep = fsl_setup_hose(&pcie4_hose, pci_info[num].regs);
+ printf(" PCIE4 connected to as %s (base addr %lx)\n",
+ pcie_ep ? "End Point" : "Root Complex",
+ pci_info[num].regs);
+ first_free_busno = fsl_pci_init_port(&pci_info[num++],
+ &pcie4_hose, first_free_busno);
+ } else {
+ printf (" PCIE4: disabled\n");
+ }
+#else
+ setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_PCIE4); /* disable */
+#endif
}
void pci_of_setup(void *blob, bd_t *bd)