From bef3013908bbc68f24084174a3ca86cc2a3eb986 Mon Sep 17 00:00:00 2001 From: Peter Tyser Date: Fri, 22 May 2009 10:26:35 -0500 Subject: [PATCH] xes: Update Freescale PCI code to work with 86xx processors Signed-off-by: Peter Tyser Signed-off-by: Kumar Gala --- board/xes/common/Makefile | 2 +- .../common/{fsl_85xx_pci.c => fsl_8xxx_pci.c} | 81 ++++++++++++++++--- 2 files changed, 73 insertions(+), 10 deletions(-) rename board/xes/common/{fsl_85xx_pci.c => fsl_8xxx_pci.c} (79%) diff --git a/board/xes/common/Makefile b/board/xes/common/Makefile index e7620f447f..87b8a02d29 100644 --- a/board/xes/common/Makefile +++ b/board/xes/common/Makefile @@ -29,7 +29,7 @@ endif LIB = $(obj)lib$(VENDOR).a -COBJS-$(CONFIG_FSL_PCI_INIT) += fsl_85xx_pci.o +COBJS-$(CONFIG_FSL_PCI_INIT) += fsl_8xxx_pci.o COBJS-$(CONFIG_MPC8572) += fsl_8572_clk.o COBJS-$(CONFIG_MPC85xx) += fsl_85xx_ddr.o COBJS-$(CONFIG_NAND_ACTL) += actl_nand.o diff --git a/board/xes/common/fsl_85xx_pci.c b/board/xes/common/fsl_8xxx_pci.c similarity index 79% rename from board/xes/common/fsl_85xx_pci.c rename to board/xes/common/fsl_8xxx_pci.c index af34fe654e..025cc1802d 100644 --- a/board/xes/common/fsl_85xx_pci.c +++ b/board/xes/common/fsl_8xxx_pci.c @@ -23,7 +23,6 @@ #include #include -#include #include #include #include @@ -112,6 +111,63 @@ struct io_port_cfg_t { {{0}, 4}, {{8}, 0}, }; +#elif defined CONFIG_MPC86xx +/* Correlate host/agent POR bits to usable info. Table 4-17 */ +struct host_agent_cfg_t { + uchar pcie_root[2]; + uchar rio_host; +} host_agent_cfg[8] = { + {{0, 0}, 0}, + {{1, 0}, 1}, + {{0, 1}, 0}, + {{1, 1}, 1} +}; + +/* Correlate port width POR bits to usable info. Table 4-16 */ +struct io_port_cfg_t { + uchar pcie_width[2]; + uchar rio_width; +} io_port_cfg[16] = { + {{0, 0}, 0}, + {{0, 0}, 0}, + {{8, 0}, 0}, + {{8, 8}, 0}, + {{0, 0}, 0}, + {{8, 0}, 4}, + {{8, 0}, 4}, + {{8, 0}, 4}, + {{0, 0}, 0}, + {{0, 0}, 4}, + {{0, 0}, 4}, + {{0, 0}, 4}, + {{0, 0}, 0}, + {{0, 0}, 0}, + {{0, 8}, 0}, + {{8, 8}, 0}, +}; +#endif + +/* + * 85xx and 86xx share naming conventions, but different layout. + * Correlate names to CPU-specific values to share common + * PCI code. + */ +#if defined(CONFIG_MPC85xx) +#define MPC8xxx_DEVDISR_PCIE1 MPC85xx_DEVDISR_PCIE +#define MPC8xxx_DEVDISR_PCIE2 MPC85xx_DEVDISR_PCIE2 +#define MPC8xxx_DEVDISR_PCIE3 MPC85xx_DEVDISR_PCIE3 +#define MPC8xxx_PORDEVSR_IO_SEL MPC85xx_PORDEVSR_IO_SEL +#define MPC8xxx_PORDEVSR_IO_SEL_SHIFT MPC85xx_PORDEVSR_IO_SEL_SHIFT +#define MPC8xxx_PORBMSR_HA MPC85xx_PORBMSR_HA +#define MPC8xxx_PORBMSR_HA_SHIFT MPC85xx_PORBMSR_HA_SHIFT +#elif defined(CONFIG_MPC86xx) +#define MPC8xxx_DEVDISR_PCIE1 MPC86xx_DEVDISR_PCIEX1 +#define MPC8xxx_DEVDISR_PCIE2 MPC86xx_DEVDISR_PCIEX2 +#define MPC8xxx_DEVDISR_PCIE3 0 /* 8641 doesn't have PCIe3 */ +#define MPC8xxx_PORDEVSR_IO_SEL MPC8641_PORDEVSR_IO_SEL +#define MPC8xxx_PORDEVSR_IO_SEL_SHIFT MPC8641_PORDEVSR_IO_SEL_SHIFT +#define MPC8xxx_PORBMSR_HA MPC8641_PORBMSR_HA +#define MPC8xxx_PORBMSR_HA_SHIFT MPC8641_PORBMSR_HA_SHIFT #endif void pci_init_board(void) @@ -120,10 +176,17 @@ void pci_init_board(void) volatile ccsr_fsl_pci_t *pci; int width; int host; +#if defined(CONFIG_MPC85xx) volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); +#elif defined(CONFIG_MPC86xx) + immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; + volatile ccsr_gur_t *gur = &immap->im_gur; +#endif uint devdisr = gur->devdisr; - uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; - uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; + uint io_sel = (gur->pordevsr & MPC8xxx_PORDEVSR_IO_SEL) >> + MPC8xxx_PORDEVSR_IO_SEL_SHIFT; + uint host_agent = (gur->porbmsr & MPC8xxx_PORBMSR_HA) >> + MPC8xxx_PORBMSR_HA_SHIFT; struct pci_region *r; #ifdef CONFIG_PCI1 @@ -196,7 +259,7 @@ void pci_init_board(void) width = io_port_cfg[io_sel].pcie_width[0]; r = hose->regions; - if (width && !(devdisr & MPC85xx_DEVDISR_PCIE)) { + if (width && !(devdisr & MPC8xxx_DEVDISR_PCIE1)) { printf("\n PCIE1 connected as %s (x%d)", host ? "Root Complex" : "End Point", width); if (pci->pme_msg_det) { @@ -240,7 +303,7 @@ void pci_init_board(void) hose->first_busno, hose->last_busno); } #else - gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ + gur->devdisr |= MPC8xxx_DEVDISR_PCIE1; /* disable */ #endif /* CONFIG_PCIE1 */ #ifdef CONFIG_PCIE2 @@ -250,7 +313,7 @@ void pci_init_board(void) width = io_port_cfg[io_sel].pcie_width[1]; r = hose->regions; - if (width && !(devdisr & MPC85xx_DEVDISR_PCIE2)) { + if (width && !(devdisr & MPC8xxx_DEVDISR_PCIE2)) { printf("\n PCIE2 connected as %s (x%d)", host ? "Root Complex" : "End Point", width); if (pci->pme_msg_det) { @@ -294,7 +357,7 @@ void pci_init_board(void) hose->first_busno, hose->last_busno); } #else - gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */ + gur->devdisr |= MPC8xxx_DEVDISR_PCIE2; /* disable */ #endif /* CONFIG_PCIE2 */ #ifdef CONFIG_PCIE3 @@ -304,7 +367,7 @@ void pci_init_board(void) width = io_port_cfg[io_sel].pcie_width[2]; r = hose->regions; - if (width && !(devdisr & MPC85xx_DEVDISR_PCIE3)) { + if (width && !(devdisr & MPC8xxx_DEVDISR_PCIE3)) { printf("\n PCIE3 connected as %s (x%d)", host ? "Root Complex" : "End Point", width); if (pci->pme_msg_det) { @@ -348,7 +411,7 @@ void pci_init_board(void) hose->first_busno, hose->last_busno); } #else - gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */ + gur->devdisr |= MPC8xxx_DEVDISR_PCIE3; /* disable */ #endif /* CONFIG_PCIE3 */ } -- 2.25.1