From 1563f56e0c68f6920f956382d6d13bee3f01c0f7 Mon Sep 17 00:00:00 2001 From: Haiying Wang Date: Wed, 14 Nov 2007 15:52:06 -0500 Subject: Add PCI Express support on MPC8568MDS Signed-off-by: Haiying Wang Signed-off-by: Kumar Gala --- board/mpc8568mds/Makefile | 4 +- board/mpc8568mds/ft_board.c | 45 ----------- board/mpc8568mds/init.S | 23 +++--- board/mpc8568mds/mpc8568mds.c | 179 ++++++++++++++++++++++++++++++++++++++++-- 4 files changed, 188 insertions(+), 63 deletions(-) delete mode 100644 board/mpc8568mds/ft_board.c (limited to 'board/mpc8568mds') diff --git a/board/mpc8568mds/Makefile b/board/mpc8568mds/Makefile index a799aa4..643fbc0 100644 --- a/board/mpc8568mds/Makefile +++ b/board/mpc8568mds/Makefile @@ -29,9 +29,7 @@ endif LIB = $(obj)lib$(BOARD).a -COBJS := $(BOARD).o \ - bcsr.o \ - ft_board.o +COBJS := $(BOARD).o bcsr.o SOBJS := init.o diff --git a/board/mpc8568mds/ft_board.c b/board/mpc8568mds/ft_board.c deleted file mode 100644 index 36815cc..0000000 --- a/board/mpc8568mds/ft_board.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Copyright 2004-2007 Freescale Semiconductor. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include - -#include - -extern void ft_cpu_setup(void *blob, bd_t *bd); - -#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) -void -ft_board_setup(void *blob, bd_t *bd) -{ - u32 *p; - int len; -#ifdef CONFIG_PCI - ft_pci_setup(blob, bd); -#endif - ft_cpu_setup(blob, bd); - p = ft_get_prop(blob, "/memory/reg", &len); - if (p != NULL) { - *p++ = cpu_to_be32(bd->bi_memstart); - *p = cpu_to_be32(bd->bi_memsize); - } -} -#endif /* CONFIG_OF_FLAT_TREE && CONFIG_OF_BOARD_SETUP */ diff --git a/board/mpc8568mds/init.S b/board/mpc8568mds/init.S index 972a7d4..38ba9c7 100644 --- a/board/mpc8568mds/init.S +++ b/board/mpc8568mds/init.S @@ -28,6 +28,11 @@ #include #include +#define LAWAR_TRGT_PCI1 0x00000000 +#define LAWAR_TRGT_PCIE1 0x00200000 +#define LAWAR_TRGT_RIO 0x00c00000 +#define LAWAR_TRGT_LBC 0x00400000 +#define LAWAR_TRGT_DDR 0x00f00000 /* * TLB0 and TLB1 Entries @@ -211,27 +216,27 @@ tlb1_entry: */ #define LAWBAR0 0 -#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN) +#define LAWAR0 ((LAWAR_TRGT_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN) #define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff) -#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M)) +#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M)) -#define LAWBAR2 ((CFG_PEX_MEM_BASE>>12) & 0xfffff) -#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_512M)) +#define LAWBAR2 ((CFG_PCIE1_MEM_BASE>>12) & 0xfffff) +#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_PCIE1 | (LAWAR_SIZE & LAWAR_SIZE_512M)) #define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff) -#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_8M)) +#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_8M)) -#define LAWBAR4 ((CFG_PEX_IO_PHYS>>12) & 0xfffff) -#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_8M)) +#define LAWBAR4 ((CFG_PCIE1_IO_PHYS>>12) & 0xfffff) +#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_PCIE1 | (LAWAR_SIZE & LAWAR_SIZE_8M)) #define LAWBAR5 ((CFG_SRIO_MEM_BASE>>12) & 0xfffff) -#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M)) +#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M)) /* LBC window - maps 256M. That's SDRAM, BCSR, PIBs, and Flash */ #define LAWBAR6 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff) -#define LAWAR6 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M)) +#define LAWAR6 (LAWAR_EN | LAWAR_TRGT_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M)) .section .bootpg, "ax" .globl law_entry diff --git a/board/mpc8568mds/mpc8568mds.c b/board/mpc8568mds/mpc8568mds.c index 2a68185..ab5b67d 100644 --- a/board/mpc8568mds/mpc8568mds.c +++ b/board/mpc8568mds/mpc8568mds.c @@ -26,10 +26,15 @@ #include #include #include +#include #include #include #include +#if defined(CONFIG_OF_FLAT_TREE) +#include +#endif + #include "bcsr.h" const qe_iop_conf_t qe_iop_conf_tab[] = { @@ -336,16 +341,19 @@ static struct pci_config_table pci_mpc8568mds_config_table[] = { }; #endif -static struct pci_controller hose[] = { - { +static struct pci_controller pci1_hose = { #ifndef CONFIG_PCI_PNP config_table: pci_mpc8568mds_config_table, #endif - } }; - #endif /* CONFIG_PCI */ +#ifdef CONFIG_PCIE1 +static struct pci_controller pcie1_hose; +#endif /* CONFIG_PCIE1 */ + +int first_free_busno = 0; + /* * pib_init() -- Initialize the PCA9555 IO expander on the PIB board */ @@ -388,11 +396,170 @@ pib_init(void) asm("eieio"); } +#ifdef CONFIG_PCI void pci_init_board(void) { -#ifdef CONFIG_PCI + volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); + uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; + uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; + +#ifdef CONFIG_PCI1 +{ pib_init(); - pci_mpc85xx_init(hose); + + 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; + + uint pci_32 = 1; /* PORDEVSR[15] */ + uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */ + uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */ + + uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6); + + uint pci_speed = 66666000; + + if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) { + printf (" PCI: %d bit, %s MHz, %s, %s, %s\n", + (pci_32) ? 32 : 64, + (pci_speed == 33333000) ? "33" : + (pci_speed == 66666000) ? "66" : "unknown", + pci_clk_sel ? "sync" : "async", + pci_agent ? "agent" : "host", + pci_arb ? "arbiter" : "external-arbiter" + ); + + /* 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 on bus %02x - %02x\n",hose->first_busno,hose->last_busno); + } else { + printf (" PCI: disabled\n"); + } +} +#else + gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ +#endif + +#ifdef CONFIG_PCIE1 +{ + volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR; + extern void fsl_pci_init(struct pci_controller *hose); + struct pci_controller *hose = &pcie1_hose; + int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3); + + int pcie_configured = io_sel >= 1; + + if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){ + printf ("\n PCIE connected to slot as %s (base address %x)", + pcie_ep ? "End Point" : "Root Complex", + (uint)pci); + + if (pci->pme_msg_det) { + pci->pme_msg_det = 0xffffffff; + debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det); + } + printf ("\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_PCIE1_MEM_BASE, + CFG_PCIE1_MEM_PHYS, + CFG_PCIE1_MEM_SIZE, + PCI_REGION_MEM); + + /* outbound io */ + pci_set_region(hose->regions + 2, + CFG_PCIE1_IO_BASE, + CFG_PCIE1_IO_PHYS, + CFG_PCIE1_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); + printf ("PCIE on bus %02x - %02x\n",hose->first_busno,hose->last_busno); + + first_free_busno=hose->last_busno+1; + + } else { + printf (" PCIE: disabled\n"); + } +} +#else + gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ #endif } +#endif /* CONFIG_PCI */ + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + + ft_cpu_setup(blob, bd); + p = ft_get_prop(blob, "/memory/reg", &len); + if (p != NULL) { + *p++ = cpu_to_be32(bd->bi_memstart); + *p = cpu_to_be32(bd->bi_memsize); + } + +#ifdef CONFIG_PCI1 + p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8000/bus-range", &len); + if (p != NULL) { + p[0] = 0; + p[1] = pci1_hose.last_busno - pci1_hose.first_busno; + debug("PCI@8000 first_busno=%d last_busno=%d\n",p[0],p[1]); + } +#endif + +#ifdef CONFIG_PCIE1 + p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@a000/bus-range", &len); + if (p != NULL) { + p[0] = 0; + p[1] = pcie1_hose.last_busno - pcie1_hose.first_busno; + debug("PCI@a000 first_busno=%d last_busno=%d\n",p[0],p[1]); + } +#endif +} +#endif + + -- cgit v1.1