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 --- board/freescale/corenet_ds/pci.c | 28 +++++++++++++++++++++++++++- include/configs/corenet_ds.h | 8 ++++++++ 2 files changed, 35 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) diff --git a/include/configs/corenet_ds.h b/include/configs/corenet_ds.h index 6486869..9184eeb 100644 --- a/include/configs/corenet_ds.h +++ b/include/configs/corenet_ds.h @@ -399,6 +399,14 @@ #endif #define CONFIG_SYS_PCIE3_IO_SIZE 0x00010000 /* 64k */
+/* controller 4, Base address 203000 */ +#define CONFIG_SYS_PCIE4_MEM_BUS 0xe0000000 +#define CONFIG_SYS_PCIE4_MEM_PHYS 0xc60000000ull +#define CONFIG_SYS_PCIE4_MEM_SIZE 0x20000000 /* 512M */ +#define CONFIG_SYS_PCIE4_IO_BUS 0x00000000 +#define CONFIG_SYS_PCIE4_IO_PHYS 0xff8030000ull +#define CONFIG_SYS_PCIE4_IO_SIZE 0x00010000 /* 64k */ + /* Qman/Bman */ #define CONFIG_SYS_BMAN_NUM_PORTALS 10 #define CONFIG_SYS_BMAN_MEM_BASE 0xf4000000