diff options
Diffstat (limited to 'drivers/pci/fsl_pci_init.c')
| -rw-r--r-- | drivers/pci/fsl_pci_init.c | 65 |
1 files changed, 43 insertions, 22 deletions
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c index 0d46c96312..48ae16374d 100644 --- a/drivers/pci/fsl_pci_init.c +++ b/drivers/pci/fsl_pci_init.c @@ -1,5 +1,5 @@ /* - * Copyright 2007-2011 Freescale Semiconductor, Inc. + * Copyright 2007-2012 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -211,7 +211,7 @@ static int fsl_pci_setup_inbound_windows(struct pci_controller *hose, return 1; } -#ifdef CONFIG_FSL_CORENET +#ifdef CONFIG_SYS_FSL_SRIO_PCIE_BOOT_MASTER static void fsl_pcie_boot_master(pit_t *pi) { /* configure inbound window for slave's u-boot image */ @@ -276,14 +276,18 @@ static void fsl_pcie_boot_master_release_slave(int port) release_addr = CONFIG_SYS_PCIE1_MEM_VIRT + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET; break; +#ifdef CONFIG_SYS_PCIE2_MEM_VIRT case 2: release_addr = CONFIG_SYS_PCIE2_MEM_VIRT + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET; break; +#endif +#ifdef CONFIG_SYS_PCIE3_MEM_VIRT case 3: release_addr = CONFIG_SYS_PCIE3_MEM_VIRT + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET; break; +#endif default: release_addr = 0; break; @@ -384,7 +388,7 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info) /* see if we are a PCIe or PCI controller */ pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap); -#ifdef CONFIG_FSL_CORENET +#ifdef CONFIG_SYS_FSL_SRIO_PCIE_BOOT_MASTER /* boot from PCIE --master */ char *s = getenv("bootmaster"); char pcie[6]; @@ -499,13 +503,7 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info) } #ifndef CONFIG_PCI_NOSCAN - pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &temp8); - - /* Programming Interface (PCI_CLASS_PROG) - * 0 == pci host or pcie root-complex, - * 1 == pci agent or pcie end-point - */ - if (!temp8) { + if (!fsl_is_pci_agent(hose)) { debug(" Scanning PCI bus %02x\n", hose->current_busno); hose->last_busno = pci_hose_scan_bus(hose, hose->current_busno); @@ -543,12 +541,22 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info) int fsl_is_pci_agent(struct pci_controller *hose) { - u8 prog_if; + u8 pcie_cap; pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0); - pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &prog_if); + pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap); + if (pcie_cap == PCI_CAP_ID_EXP) { + u8 header_type; - return (prog_if == FSL_PROG_IF_AGENT); + pci_hose_read_config_byte(hose, dev, PCI_HEADER_TYPE, + &header_type); + return (header_type & 0x7f) == PCI_HEADER_TYPE_NORMAL; + } else { + u8 prog_if; + + pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &prog_if); + return (prog_if == FSL_PROG_IF_AGENT); + } } int fsl_pci_init_port(struct fsl_pci_info *pci_info, @@ -594,7 +602,7 @@ int fsl_pci_init_port(struct fsl_pci_info *pci_info, if (fsl_is_pci_agent(hose)) { fsl_pci_config_unlock(hose); hose->last_busno = hose->first_busno; -#ifdef CONFIG_FSL_CORENET +#ifdef CONFIG_SYS_FSL_SRIO_PCIE_BOOT_MASTER } else { /* boot from PCIE --master releases slave's core 0 */ char *s = getenv("bootmaster"); @@ -618,12 +626,10 @@ int fsl_pci_init_port(struct fsl_pci_info *pci_info, void fsl_pci_config_unlock(struct pci_controller *hose) { pci_dev_t dev = PCI_BDF(hose->first_busno,0,0); - u8 agent; u8 pcie_cap; u16 pbfr; - pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &agent); - if (!agent) + if (!fsl_is_pci_agent(hose)) return; pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap); @@ -660,10 +666,17 @@ int fsl_configure_pcie(struct fsl_pci_info *info, } #if defined(CONFIG_FSL_CORENET) +#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 + #define _DEVDISR_PCIE1 FSL_CORENET_DEVDISR3_PCIE1 + #define _DEVDISR_PCIE2 FSL_CORENET_DEVDISR3_PCIE2 + #define _DEVDISR_PCIE3 FSL_CORENET_DEVDISR3_PCIE3 + #define _DEVDISR_PCIE4 FSL_CORENET_DEVDISR3_PCIE4 +#else #define _DEVDISR_PCIE1 FSL_CORENET_DEVDISR_PCIE1 #define _DEVDISR_PCIE2 FSL_CORENET_DEVDISR_PCIE2 #define _DEVDISR_PCIE3 FSL_CORENET_DEVDISR_PCIE3 #define _DEVDISR_PCIE4 FSL_CORENET_DEVDISR_PCIE4 +#endif #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR #elif defined(CONFIG_MPC85xx) #define _DEVDISR_PCIE1 MPC85xx_DEVDISR_PCIE @@ -743,34 +756,42 @@ int fsl_pcie_init_board(int busno) { struct fsl_pci_info pci_info; ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC8xxx_GUTS_ADDR; - u32 devdisr = in_be32(&gur->devdisr); + u32 devdisr; + u32 *addr; + +#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 + addr = &gur->devdisr3; +#else + addr = &gur->devdisr; +#endif + devdisr = in_be32(addr); #ifdef CONFIG_PCIE1 SET_STD_PCIE_INFO(pci_info, 1); busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE1, &pci_info); #else - setbits_be32(&gur->devdisr, _DEVDISR_PCIE1); /* disable */ + setbits_be32(addr, _DEVDISR_PCIE1); /* disable */ #endif #ifdef CONFIG_PCIE2 SET_STD_PCIE_INFO(pci_info, 2); busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE2, &pci_info); #else - setbits_be32(&gur->devdisr, _DEVDISR_PCIE2); /* disable */ + setbits_be32(addr, _DEVDISR_PCIE2); /* disable */ #endif #ifdef CONFIG_PCIE3 SET_STD_PCIE_INFO(pci_info, 3); busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE3, &pci_info); #else - setbits_be32(&gur->devdisr, _DEVDISR_PCIE3); /* disable */ + setbits_be32(addr, _DEVDISR_PCIE3); /* disable */ #endif #ifdef CONFIG_PCIE4 SET_STD_PCIE_INFO(pci_info, 4); busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE4, &pci_info); #else - setbits_be32(&gur->devdisr, _DEVDISR_PCIE4); /* disable */ + setbits_be32(addr, _DEVDISR_PCIE4); /* disable */ #endif return busno; |
