From 4d75a504d00e65253229e1d1b798a7c37041f078 Mon Sep 17 00:00:00 2001 From: wdenk Date: Tue, 25 Mar 2003 16:50:56 +0000 Subject: [PATCH] Add PCI support for MPC8250 Boards (PM825 module) --- CHANGELOG | 2 + board/pm826/pm826.c | 10 ++ common/cmd_boot.c | 33 ++++- cpu/mpc8260/Makefile | 2 +- cpu/mpc8260/pci.c | 244 ++++++++++++++++++++++++++++++++++++ drivers/pci_indirect.c | 13 ++ include/asm-mips/u-boot.h | 22 ++-- include/asm-ppc/m8260_pci.h | 166 ++++++++++++++++++++++++ include/configs/PM826.h | 4 + 9 files changed, 481 insertions(+), 15 deletions(-) create mode 100644 cpu/mpc8260/pci.c create mode 100644 include/asm-ppc/m8260_pci.h diff --git a/CHANGELOG b/CHANGELOG index 35a6e4a959..b80fed3b5c 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,8 @@ Changes since U-Boot 0.2.2: ====================================================================== +* Add PCI support for MPC8250 Boards (PM825 module) + * Patch by Stefan Roese, 25 Mar 2003: - PCI405 update. diff --git a/board/pm826/pm826.c b/board/pm826/pm826.c index 3ba8ca990d..926d74bdd6 100644 --- a/board/pm826/pm826.c +++ b/board/pm826/pm826.c @@ -24,6 +24,7 @@ #include #include #include +#include /* * I/O Port configuration table @@ -349,3 +350,12 @@ void doc_init (void) doc_probe (CFG_DOC_BASE); } #endif + +struct pci_controller hose; + +extern void pci_mpc8250_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc8250_init(&hose); +} diff --git a/common/cmd_boot.c b/common/cmd_boot.c index 93ab10f3af..2604e41bfa 100644 --- a/common/cmd_boot.c +++ b/common/cmd_boot.c @@ -50,6 +50,7 @@ static void print_num(const char *, ulong); #ifndef CONFIG_ARM /* PowerPC and other */ +#ifdef CONFIG_PPC static void print_str(const char *, const char *); int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) @@ -110,6 +111,34 @@ int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 0; } +#else /* MIPS */ + +int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + DECLARE_GLOBAL_DATA_PTR; + + int i; + bd_t *bd = gd->bd; + + print_num ("boot_params", (ulong)bd->bi_boot_params); + print_num ("memstart", (ulong)bd->bi_memstart); + print_num ("memsize", (ulong)bd->bi_memsize); + print_num ("flashstart", (ulong)bd->bi_flashstart); + print_num ("flashsize", (ulong)bd->bi_flashsize); + print_num ("flashoffset", (ulong)bd->bi_flashoffset); + + printf ("ethaddr ="); + for (i=0; i<6; ++i) { + printf ("%c%02X", i ? ':' : ' ', bd->bi_enetaddr[i]); + } + printf ("\nip_addr = "); + print_IPaddr (bd->bi_ip_addr); + printf ("\nbaudrate = %d bps\n", bd->bi_baudrate); + + return 0; +} +#endif /* MIPS */ + #else /* ARM */ int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) @@ -150,12 +179,12 @@ static void print_num(const char *name, ulong value) printf ("%-12s= 0x%08lX\n", name, value); } -#ifndef CONFIG_ARM +#ifdef CONFIG_PPC static void print_str(const char *name, const char *str) { printf ("%-12s= %6s MHz\n", name, str); } -#endif /* CONFIG_ARM */ +#endif /* CONFIG_PPC */ #endif /* CFG_CMD_BDI */ diff --git a/cpu/mpc8260/Makefile b/cpu/mpc8260/Makefile index 80afc96cac..22d323e21d 100644 --- a/cpu/mpc8260/Makefile +++ b/cpu/mpc8260/Makefile @@ -28,7 +28,7 @@ LIB = lib$(CPU).a START = start.o kgdb.o OBJS = traps.o serial_smc.o serial_scc.o cpu.o cpu_init.o speed.o \ interrupts.o ether_scc.o ether_fcc.o i2c.o commproc.o \ - bedbug_603e.o status_led.o + bedbug_603e.o status_led.o pci.o all: .depend $(START) $(LIB) diff --git a/cpu/mpc8260/pci.c b/cpu/mpc8260/pci.c new file mode 100644 index 0000000000..f9f1e27d10 --- /dev/null +++ b/cpu/mpc8260/pci.c @@ -0,0 +1,244 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 + +#ifdef CONFIG_PCI + +#include +#include + +/* + * Local->PCI map (from CPU) controlled by + * MPC826x master window + * + * 0x80000000 - 0xBFFFFFFF Total CPU2PCI space PCIBR0 + * + * 0x80000000 - 0x8FFFFFFF PCI Mem with prefetch (Outbound ATU #1) + * 0x90000000 - 0x9FFFFFFF PCI Mem w/o prefetch (Outbound ATU #2) + * 0xA0000000 - 0xAFFFFFFF 32-bit PCI IO (Outbound ATU #3) + * + * PCI->Local map (from PCI) + * MPC826x slave window controlled by + * + * 0x00000000 - 0x07FFFFFF MPC826x local memory (Inbound ATU #1) + */ + +/* + * Slave window that allows PCI masters to access MPC826x local memory. + * This window is set up using the first set of Inbound ATU registers + */ + +#define PCI_SLV_MEM_LOCAL CFG_SDRAM_BASE /* Local base */ +#define PCI_SLV_MEM_BUS 0x00000000 /* PCI base */ +#define PICMR0_MASK_ATTRIB (PICMR_MASK_512MB | PICMR_ENABLE | \ + PICMR_PREFETCH_EN) + +/* + * This is the window that allows the CPU to access PCI address space. + * It will be setup with the SIU PCIBR0 register. All three PCI master + * windows, which allow the CPU to access PCI prefetch, non prefetch, + * and IO space (see below), must all fit within this window. + */ + +#define PCI_MSTR_LOCAL 0x80000000 /* Local base */ +#define PCIMSK0_MASK PCIMSK_1GB /* Size of window */ + +/* + * Master window that allows the CPU to access PCI Memory (prefetch). + * This window will be setup with the first set of Outbound ATU registers + * in the bridge. + */ + +#define PCI_MSTR_MEM_LOCAL 0x80000000 /* Local base */ +#define PCI_MSTR_MEM_BUS 0x80000000 /* PCI base */ +#define CPU_PCI_MEM_START PCI_MSTR_MEM_LOCAL +#define PCI_MSTR_MEM_SIZE 0x10000000 /* 256MB */ +#define POCMR0_MASK_ATTRIB (POCMR_MASK_256MB | POCMR_ENABLE | POCMR_PREFETCH_EN) + +/* + * Master window that allows the CPU to access PCI Memory (non-prefetch). + * This window will be setup with the second set of Outbound ATU registers + * in the bridge. + */ + +#define PCI_MSTR_MEMIO_LOCAL 0x90000000 /* Local base */ +#define PCI_MSTR_MEMIO_BUS 0x90000000 /* PCI base */ +#define CPU_PCI_MEMIO_START PCI_MSTR_MEMIO_LOCAL +#define PCI_MSTR_MEMIO_SIZE 0x10000000 /* 256MB */ +#define POCMR1_MASK_ATTRIB (POCMR_MASK_256MB | POCMR_ENABLE) + +/* + * Master window that allows the CPU to access PCI IO space. + * This window will be setup with the third set of Outbound ATU registers + * in the bridge. + */ + +#define PCI_MSTR_IO_LOCAL 0xA0000000 /* Local base */ +#define PCI_MSTR_IO_BUS 0xA0000000 /* PCI base */ +#define CPU_PCI_IO_START PCI_MSTR_IO_LOCAL +#define PCI_MSTR_IO_SIZE 0x10000000 /* 256MB */ +#define POCMR2_MASK_ATTRIB (POCMR_MASK_256MB | POCMR_ENABLE | POCMR_PCI_IO) + +/* PCI bus configuration registers. + */ + +#define PCI_CLASS_BRIDGE_CTLR 0x06 + + +static inline void pci_outl(u32 addr, u32 data) +{ + *(volatile u32 *) addr = cpu_to_le32(data); +} + +void pci_mpc8250_init(struct pci_controller *hose) +{ + u16 tempShort; + u32 immr_addr = CFG_IMMR; + volatile immap_t *immap = (immap_t *) CFG_IMMR; + pci_dev_t host_devno = PCI_BDF(0, 0, 0); + + pci_setup_indirect(hose, CFG_IMMR + PCI_CFG_ADDR_REG, + CFG_IMMR + PCI_CFG_DATA_REG); + + /* + * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]), + * and local bus for PCI (SIUMCR [LBPC]). + */ + immap->im_siu_conf.sc_siumcr = 0x00640000; + + /* Make PCI lowest priority */ + /* Each 4 bits is a device bus request and the MS 4bits + is highest priority */ + /* Bus 4bit value + --- ---------- + CPM high 0b0000 + CPM middle 0b0001 + CPM low 0b0010 + PCI reguest 0b0011 + Reserved 0b0100 + Reserved 0b0101 + Internal Core 0b0110 + External Master 1 0b0111 + External Master 2 0b1000 + External Master 3 0b1001 + The rest are reserved */ + immap->im_siu_conf.sc_ppc_alrh = 0x61207893; + + /* Park bus on core while modifying PCI Bus accesses */ + immap->im_siu_conf.sc_ppc_acr = 0x6; + + /* + * Set up master window that allows the CPU to access PCI space. This + * window is set up using the first SIU PCIBR registers. + */ + *(volatile unsigned long*)(immr_addr + M8265_PCIMSK0) = PCIMSK0_MASK; + *(volatile unsigned long*)(immr_addr + M8265_PCIBR0) = + PCI_MSTR_LOCAL | PCIBR_ENABLE; + + /* Release PCI RST (by default the PCI RST signal is held low) */ + pci_outl (immr_addr | PCI_GCR_REG, PCIGCR_PCI_BUS_EN); + + /* give it some time */ + udelay(1000); + + /* + * Set up master window that allows the CPU to access PCI Memory (prefetch) + * space. This window is set up using the first set of Outbound ATU registers. + */ + pci_outl (immr_addr | POTAR_REG0, PCI_MSTR_MEM_BUS >> 12); /* PCI base */ + pci_outl (immr_addr | POBAR_REG0, PCI_MSTR_MEM_LOCAL >> 12); /* Local base */ + pci_outl (immr_addr | POCMR_REG0, POCMR0_MASK_ATTRIB); /* Size & attribute */ + + /* + * Set up master window that allows the CPU to access PCI Memory (non-prefetch) + * space. This window is set up using the second set of Outbound ATU registers. + */ + pci_outl (immr_addr | POTAR_REG1, PCI_MSTR_MEMIO_BUS >> 12); /* PCI base */ + pci_outl (immr_addr | POBAR_REG1, PCI_MSTR_MEMIO_LOCAL >> 12); /* Local base */ + pci_outl (immr_addr | POCMR_REG1, POCMR1_MASK_ATTRIB); /* Size & attribute */ + + /* + * Set up master window that allows the CPU to access PCI IO space. This window + * is set up using the third set of Outbound ATU registers. + */ + pci_outl (immr_addr | POTAR_REG2, PCI_MSTR_IO_BUS >> 12); /* PCI base */ + pci_outl (immr_addr | POBAR_REG2, PCI_MSTR_IO_LOCAL >> 12); /* Local base */ + pci_outl (immr_addr | POCMR_REG2, POCMR2_MASK_ATTRIB); /* Size & attribute */ + + /* + * Set up slave window that allows PCI masters to access MPC826x local memory. + * This window is set up using the first set of Inbound ATU registers + */ + pci_outl (immr_addr | PITAR_REG0, PCI_SLV_MEM_LOCAL >> 12); /* Local base */ + pci_outl (immr_addr | PIBAR_REG0, PCI_SLV_MEM_BUS >> 12); /* PCI base */ + pci_outl (immr_addr | PICMR_REG0, PICMR0_MASK_ATTRIB); /* Size & attribute */ + + /* See above for description - puts PCI request as highest priority */ + immap->im_siu_conf.sc_ppc_alrh = 0x03124567; + + /* Park the bus on the PCI */ + immap->im_siu_conf.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI; + + /* Host mode - specify the bridge as a host-PCI bridge */ + + pci_hose_write_config_byte(hose, host_devno, PCI_CLASS_CODE, + PCI_CLASS_BRIDGE_CTLR); + + /* Enable the host bridge to be a master on the PCI bus, and to act as a PCI memory target */ + pci_hose_read_config_word(hose, host_devno, PCI_COMMAND, &tempShort); + pci_hose_write_config_word(hose, host_devno, PCI_COMMAND, + tempShort | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); + + hose->first_busno = 0; + hose->last_busno = 0xff; + + /* System memory space */ + pci_set_region(hose->regions + 0, + CFG_SDRAM_BASE, + CFG_SDRAM_BASE, + 0x4000000, + PCI_REGION_MEM | PCI_REGION_MEMORY); + + /* PCI memory space */ + pci_set_region(hose->regions + 1, + PCI_MSTR_MEM_BUS, + PCI_MSTR_MEM_LOCAL, + PCI_MSTR_MEM_SIZE, + PCI_REGION_MEM); + + /* PCI I/O space */ + pci_set_region(hose->regions + 2, + PCI_MSTR_IO_BUS, + PCI_MSTR_IO_LOCAL, + PCI_MSTR_IO_SIZE, + PCI_REGION_IO); + + hose->region_count = 3; + + pci_register_hose(hose); + + hose->last_busno = pci_hose_scan(hose); +} + +#endif /* CONFIG_PCI */ diff --git a/drivers/pci_indirect.c b/drivers/pci_indirect.c index 08be082e31..f7b4422451 100644 --- a/drivers/pci_indirect.c +++ b/drivers/pci_indirect.c @@ -21,15 +21,28 @@ #define cfg_read(val, addr, type, op) *val = op((type)(addr)) #define cfg_write(val, addr, type, op) op((type *)(addr), (val)) +#ifdef CONFIG_PM826 #define INDIRECT_PCI_OP(rw, size, type, op, mask) \ static int \ indirect_##rw##_config_##size(struct pci_controller *hose, \ pci_dev_t dev, int offset, type val) \ { \ out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000000); \ + sync(); \ cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ return 0; \ } +#else +#define INDIRECT_PCI_OP(rw, size, type, op, mask) \ +static int \ +indirect_##rw##_config_##size(struct pci_controller *hose, \ + pci_dev_t dev, int offset, type val) \ +{ \ + out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000000); \ + cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ + return 0; \ +} +#endif #define INDIRECT_PCI_OP_ERRATA6(rw, size, type, op, mask) \ static int \ diff --git a/include/asm-mips/u-boot.h b/include/asm-mips/u-boot.h index ff189d9367..0de0b4da8a 100644 --- a/include/asm-mips/u-boot.h +++ b/include/asm-mips/u-boot.h @@ -25,19 +25,17 @@ #define _U_BOOT_H_ 1 typedef struct bd_info { - int bi_baudrate; /* serial console baudrate */ - unsigned long bi_ip_addr; /* IP Address */ - unsigned char bi_enetaddr[6]; /* Ethernet adress */ - struct environment_s *bi_env; - ulong bi_arch_number; /* unique id for this board */ - ulong bi_boot_params; /* where this board expects params */ - struct /* RAM configuration */ - { - ulong start; - ulong size; - } bi_dram[CONFIG_NR_DRAM_BANKS]; + int bi_baudrate; /* serial console baudrate */ + unsigned long bi_ip_addr; /* IP Address */ + unsigned char bi_enetaddr[6]; /* Ethernet adress */ + unsigned long bi_arch_number; /* unique id for this board */ + unsigned long bi_boot_params; /* where this board expects params */ + unsigned long bi_memstart; /* start of DRAM memory */ + unsigned long bi_memsize; /* size of DRAM memory in bytes */ + unsigned long bi_flashstart; /* start of FLASH memory */ + unsigned long bi_flashsize; /* size of FLASH memory */ + unsigned long bi_flashoffset; /* reserved area for startup monitor */ } bd_t; - #define bi_env_data bi_env->data #define bi_env_crc bi_env->crc diff --git a/include/asm-ppc/m8260_pci.h b/include/asm-ppc/m8260_pci.h new file mode 100644 index 0000000000..267565818a --- /dev/null +++ b/include/asm-ppc/m8260_pci.h @@ -0,0 +1,166 @@ + +#ifndef _PPC_KERNEL_M8260_PCI_H +#define _PPC_KERNEL_M8260_PCI_H + +#define M8265_PCIBR0 0x101ac +#define M8265_PCIBR1 0x101b0 +#define M8265_PCIMSK0 0x101c4 +#define M8265_PCIMSK1 0x101c8 + +/* Bit definitions for PCIBR registers */ + +#define PCIBR_ENABLE 0x00000001 + +/* Bit definitions for PCIMSK registers */ + +#define PCIMSK_32KB 0xFFFF8000 /* Size of window, smallest */ +#define PCIMSK_64KB 0xFFFF0000 +#define PCIMSK_128KB 0xFFFE0000 +#define PCIMSK_256KB 0xFFFC0000 +#define PCIMSK_512KB 0xFFF80000 +#define PCIMSK_1MB 0xFFF00000 +#define PCIMSK_2MB 0xFFE00000 +#define PCIMSK_4MB 0xFFC00000 +#define PCIMSK_8MB 0xFF800000 +#define PCIMSK_16MB 0xFF000000 +#define PCIMSK_32MB 0xFE000000 +#define PCIMSK_64MB 0xFC000000 +#define PCIMSK_128MB 0xF8000000 +#define PCIMSK_256MB 0xF0000000 +#define PCIMSK_512MB 0xE0000000 +#define PCIMSK_1GB 0xC0000000 /* Size of window, largest */ + + +#define M826X_SCCR_PCI_MODE_EN 0x100 + + +/* + * Outbound ATU registers (3 sets). These registers control how 60x bus (local) + * addresses are translated to PCI addresses when the MPC826x is a PCI bus + * master (initiator). + */ + +#define POTAR_REG0 0x10800 /* PCI Outbound Translation Addr registers */ +#define POTAR_REG1 0x10818 +#define POTAR_REG2 0x10830 + +#define POBAR_REG0 0x10808 /* PCI Outbound Base Addr registers */ +#define POBAR_REG1 0x10820 +#define POBAR_REG2 0x10838 + +#define POCMR_REG0 0x10810 /* PCI Outbound Comparison Mask registers */ +#define POCMR_REG1 0x10828 +#define POCMR_REG2 0x10840 + +/* Bit definitions for POMCR registers */ + +#define POCMR_MASK_4KB 0x000FFFFF +#define POCMR_MASK_8KB 0x000FFFFE +#define POCMR_MASK_16KB 0x000FFFFC +#define POCMR_MASK_32KB 0x000FFFF8 +#define POCMR_MASK_64KB 0x000FFFF0 +#define POCMR_MASK_128KB 0x000FFFE0 +#define POCMR_MASK_256KB 0x000FFFC0 +#define POCMR_MASK_512KB 0x000FFF80 +#define POCMR_MASK_1MB 0x000FFF00 +#define POCMR_MASK_2MB 0x000FFE00 +#define POCMR_MASK_4MB 0x000FFC00 +#define POCMR_MASK_8MB 0x000FF800 +#define POCMR_MASK_16MB 0x000FF000 +#define POCMR_MASK_32MB 0x000FE000 +#define POCMR_MASK_64MB 0x000FC000 +#define POCMR_MASK_128MB 0x000F8000 +#define POCMR_MASK_256MB 0x000F0000 +#define POCMR_MASK_512MB 0x000E0000 +#define POCMR_MASK_1GB 0x000C0000 + +#define POCMR_ENABLE 0x80000000 +#define POCMR_PCI_IO 0x40000000 +#define POCMR_PREFETCH_EN 0x20000000 + +/* Soft PCI reset */ + +#define PCI_GCR_REG 0x10880 + +/* Bit definitions for PCI_GCR registers */ + +#define PCIGCR_PCI_BUS_EN 0x1 + +/* + * Inbound ATU registers (2 sets). These registers control how PCI addresses + * are translated to 60x bus (local) addresses when the MPC826x is a PCI bus target. + */ + +#define PITAR_REG1 0x108D0 +#define PIBAR_REG1 0x108D8 +#define PICMR_REG1 0x108E0 +#define PITAR_REG0 0x108E8 +#define PIBAR_REG0 0x108F0 +#define PICMR_REG0 0x108F8 + +/* Bit definitions for PCI Inbound Comparison Mask registers */ + +#define PICMR_MASK_4KB 0x000FFFFF +#define PICMR_MASK_8KB 0x000FFFFE +#define PICMR_MASK_16KB 0x000FFFFC +#define PICMR_MASK_32KB 0x000FFFF8 +#define PICMR_MASK_64KB 0x000FFFF0 +#define PICMR_MASK_128KB 0x000FFFE0 +#define PICMR_MASK_256KB 0x000FFFC0 +#define PICMR_MASK_512KB 0x000FFF80 +#define PICMR_MASK_1MB 0x000FFF00 +#define PICMR_MASK_2MB 0x000FFE00 +#define PICMR_MASK_4MB 0x000FFC00 +#define PICMR_MASK_8MB 0x000FF800 +#define PICMR_MASK_16MB 0x000FF000 +#define PICMR_MASK_32MB 0x000FE000 +#define PICMR_MASK_64MB 0x000FC000 +#define PICMR_MASK_128MB 0x000F8000 +#define PICMR_MASK_256MB 0x000F0000 +#define PICMR_MASK_512MB 0x000E0000 +#define PICMR_MASK_1GB 0x000C0000 + +#define PICMR_ENABLE 0x80000000 +#define PICMR_NO_SNOOP_EN 0x40000000 +#define PICMR_PREFETCH_EN 0x20000000 + +/* PCI error Registers */ + +#define PCI_ERROR_STATUS_REG 0x10884 +#define PCI_ERROR_MASK_REG 0x10888 +#define PCI_ERROR_CONTROL_REG 0x1088C +#define PCI_ERROR_ADRS_CAPTURE_REG 0x10890 +#define PCI_ERROR_DATA_CAPTURE_REG 0x10898 +#define PCI_ERROR_CTRL_CAPTURE_REG 0x108A0 + +/* PCI error Register bit defines */ + +#define PCI_ERROR_PCI_ADDR_PAR 0x00000001 +#define PCI_ERROR_PCI_DATA_PAR_WR 0x00000002 +#define PCI_ERROR_PCI_DATA_PAR_RD 0x00000004 +#define PCI_ERROR_PCI_NO_RSP 0x00000008 +#define PCI_ERROR_PCI_TAR_ABT 0x00000010 +#define PCI_ERROR_PCI_SERR 0x00000020 +#define PCI_ERROR_PCI_PERR_RD 0x00000040 +#define PCI_ERROR_PCI_PERR_WR 0x00000080 +#define PCI_ERROR_I2O_OFQO 0x00000100 +#define PCI_ERROR_I2O_IPQO 0x00000200 +#define PCI_ERROR_IRA 0x00000400 +#define PCI_ERROR_NMI 0x00000800 +#define PCI_ERROR_I2O_DBMC 0x00001000 + +/* + * Register pair used to generate configuration cycles on the PCI bus + * and access the MPC826x's own PCI configuration registers. + */ + +#define PCI_CFG_ADDR_REG 0x10900 +#define PCI_CFG_DATA_REG 0x10904 + +/* Bus parking decides where the bus control sits when idle */ +/* If modifying memory controllers for PCI park on the core */ + +#define PPC_ACR_BUS_PARK_CORE 0x6 +#define PPC_ACR_BUS_PARK_PCI 0x3 + +#endif /* _PPC_KERNEL_M8260_PCI_H */ diff --git a/include/configs/PM826.h b/include/configs/PM826.h index d95596cadf..05f7130b27 100644 --- a/include/configs/PM826.h +++ b/include/configs/PM826.h @@ -303,6 +303,10 @@ # define CFG_RAMBOOT #endif +#define CONFIG_PCI +#define CONFIG_PCI_PNP +#define CONFIG_EEPRO100 + /* * Internal Definitions * -- 2.39.2