From cca34967cbd13ff6bd352be29e3f1cc88ab24c05 Mon Sep 17 00:00:00 2001 From: Joe Hamman Date: Sat, 11 Aug 2007 06:54:58 -0500 Subject: [PATCH] Modify SBC8641D to use new Freescale PCI routines PCI-Express sockets 1 and 2 verified working with Intel Pro/1000 PT adapter. Signed-off-by: Joe Hamman Signde-off-by: Jon Loeliger --- board/sbc8641d/sbc8641d.c | 156 ++++++++++++++++++++++++++++--------- include/configs/sbc8641d.h | 9 ++- 2 files changed, 125 insertions(+), 40 deletions(-) diff --git a/board/sbc8641d/sbc8641d.c b/board/sbc8641d/sbc8641d.c index e5dd5509c1..7adc42faec 100644 --- a/board/sbc8641d/sbc8641d.c +++ b/board/sbc8641d/sbc8641d.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #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_fsl86xxads_config_table[] = { }; #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 */ -#endif /* CONFIG_PCI */ +#ifdef CONFIG_PCI2 +static struct pci_controller pci2_hose; +#endif /* CONFIG_PCI2 */ -void pci_init_board (void) +int first_free_busno = 0; + +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 --git a/include/configs/sbc8641d.h b/include/configs/sbc8641d.h index dba19441c7..68d31ca1db 100644 --- a/include/configs/sbc8641d.h +++ b/include/configs/sbc8641d.h @@ -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 */