Commit e041013a authored by Martyn Welch's avatar Martyn Welch Committed by Kumar Gala

powerpc/85xx: Board support for GE IMP3A

Initial board support for the GE IMP3A, a 3U compactPCI card with a p2020
processor.
Signed-off-by: default avatarMartyn Welch <martyn.welch@ge.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 44b24b74
/*
* GE IMP3A Device Tree Source
*
* Copyright 2010-2011 GE Intelligent Platforms Embedded Systems, 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 Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* Based on: P2020 DS Device Tree Source
* Copyright 2009 Freescale Semiconductor Inc.
*/
/include/ "fsl/p2020si-pre.dtsi"
/ {
model = "GE_IMP3A";
compatible = "ge,imp3a";
memory {
device_type = "memory";
};
lbc: localbus@fef05000 {
reg = <0 0xfef05000 0 0x1000>;
ranges = <0x0 0x0 0x0 0xff000000 0x01000000
0x1 0x0 0x0 0xe0000000 0x08000000
0x2 0x0 0x0 0xe8000000 0x08000000
0x3 0x0 0x0 0xfc100000 0x00020000
0x4 0x0 0x0 0xfc000000 0x00008000
0x5 0x0 0x0 0xfc008000 0x00008000
0x6 0x0 0x0 0xfee00000 0x00040000
0x7 0x0 0x0 0xfee80000 0x00040000>;
/* nor@0,0 is a mirror of part of the memory in nor@1,0
nor@0,0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "ge,imp3a-firmware-mirror", "cfi-flash";
reg = <0x0 0x0 0x1000000>;
bank-width = <2>;
device-width = <1>;
partition@0 {
label = "firmware";
reg = <0x0 0x1000000>;
read-only;
};
};
*/
nor@1,0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "ge,imp3a-paged-flash", "cfi-flash";
reg = <0x1 0x0 0x8000000>;
bank-width = <2>;
device-width = <1>;
partition@0 {
label = "user";
reg = <0x0 0x7800000>;
};
partition@7800000 {
label = "firmware";
reg = <0x7800000 0x800000>;
read-only;
};
};
nvram@3,0 {
device_type = "nvram";
compatible = "simtek,stk14ca8";
reg = <0x3 0x0 0x20000>;
};
fpga@4,0 {
compatible = "ge,imp3a-fpga-regs";
reg = <0x4 0x0 0x20>;
};
gef_pic: pic@4,20 {
#interrupt-cells = <1>;
interrupt-controller;
device_type = "interrupt-controller";
compatible = "ge,imp3a-fpga-pic", "gef,fpga-pic-1.00";
reg = <0x4 0x20 0x20>;
interrupts = <6 7 0 0>;
};
gef_gpio: gpio@4,400 {
#gpio-cells = <2>;
compatible = "ge,imp3a-gpio";
reg = <0x4 0x400 0x24>;
gpio-controller;
};
wdt@4,800 {
compatible = "ge,imp3a-fpga-wdt", "gef,fpga-wdt-1.00",
"gef,fpga-wdt";
reg = <0x4 0x800 0x8>;
interrupts = <10 4>;
interrupt-parent = <&gef_pic>;
};
/* Second watchdog available, driver currently supports one.
wdt@4,808 {
compatible = "gef,imp3a-fpga-wdt", "gef,fpga-wdt-1.00",
"gef,fpga-wdt";
reg = <0x4 0x808 0x8>;
interrupts = <9 4>;
interrupt-parent = <&gef_pic>;
};
*/
nand@6,0 {
compatible = "fsl,elbc-fcm-nand";
reg = <0x6 0x0 0x40000>;
};
nand@7,0 {
compatible = "fsl,elbc-fcm-nand";
reg = <0x7 0x0 0x40000>;
};
};
soc: soc@fef00000 {
ranges = <0x0 0 0xfef00000 0x100000>;
i2c@3000 {
hwmon@48 {
compatible = "national,lm92";
reg = <0x48>;
};
hwmon@4c {
compatible = "adi,adt7461";
reg = <0x4c>;
};
rtc@51 {
compatible = "epson,rx8581";
reg = <0x51>;
};
eti@6b {
compatible = "dallas,ds1682";
reg = <0x6b>;
};
};
usb@22000 {
phy_type = "ulpi";
dr_mode = "host";
};
mdio@24520 {
phy0: ethernet-phy@0 {
interrupt-parent = <&gef_pic>;
interrupts = <0xc 0x4>;
reg = <0x1>;
};
phy1: ethernet-phy@1 {
interrupt-parent = <&gef_pic>;
interrupts = <0xb 0x4>;
reg = <0x2>;
};
tbi0: tbi-phy@11 {
reg = <0x11>;
device_type = "tbi-phy";
};
};
mdio@25520 {
tbi1: tbi-phy@11 {
reg = <0x11>;
device_type = "tbi-phy";
};
};
mdio@26520 {
status = "disabled";
};
enet0: ethernet@24000 {
tbi-handle = <&tbi0>;
phy-handle = <&phy0>;
phy-connection-type = "gmii";
};
enet1: ethernet@25000 {
tbi-handle = <&tbi1>;
phy-handle = <&phy1>;
phy-connection-type = "gmii";
};
enet2: ethernet@26000 {
status = "disabled";
};
};
pci0: pcie@fef08000 {
ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xfe020000 0x0 0x10000>;
reg = <0 0xfef08000 0 0x1000>;
pcie@0 {
ranges = <0x2000000 0x0 0xc0000000
0x2000000 0x0 0xc0000000
0x0 0x20000000
0x1000000 0x0 0x0
0x1000000 0x0 0x0
0x0 0x10000>;
};
};
pci1: pcie@fef09000 {
reg = <0 0xfef09000 0 0x1000>;
ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xfe010000 0x0 0x10000>;
pcie@0 {
ranges = <0x2000000 0x0 0xa0000000
0x2000000 0x0 0xa0000000
0x0 0x20000000
0x1000000 0x0 0x0
0x1000000 0x0 0x0
0x0 0x10000>;
};
};
pci2: pcie@fef0a000 {
reg = <0 0xfef0a000 0 0x1000>;
ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xfe000000 0x0 0x10000>;
pcie@0 {
ranges = <0x2000000 0x0 0x80000000
0x2000000 0x0 0x80000000
0x0 0x20000000
0x1000000 0x0 0x0
0x1000000 0x0 0x0
0x0 0x10000>;
};
};
};
/include/ "fsl/p2020si-post.dtsi"
CONFIG_PPC_85xx=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_SPARSE_IRQ=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
# CONFIG_UTS_NS is not set
# CONFIG_IPC_NS is not set
# CONFIG_USER_NS is not set
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_PERF_EVENTS=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_GE_IMP3A=y
CONFIG_QUICC_ENGINE=y
CONFIG_QE_GPIO=y
CONFIG_CPM2=y
CONFIG_HIGHMEM=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_HZ_1000=y
CONFIG_PREEMPT=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_BINFMT_MISC=m
CONFIG_MATH_EMULATION=y
CONFIG_IRQ_ALL_CPUS=y
CONFIG_FORCE_MAX_ZONEORDER=17
CONFIG_PCI=y
CONFIG_PCIEPORTBUS=y
CONFIG_PCI_MSI=y
CONFIG_PCCARD=y
# CONFIG_PCMCIA_LOAD_CIS is not set
CONFIG_YENTA=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_XFRM_USER=m
CONFIG_NET_KEY=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_IP_MROUTE=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
# CONFIG_INET_XFRM_MODE_BEET is not set
CONFIG_INET6_AH=m
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_TUNNEL=m
CONFIG_NET_PKTGEN=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_OF_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_CFI_INTELEXT=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_PHYSMAP_OF=y
CONFIG_MTD_NAND=y
CONFIG_MTD_NAND_FSL_ELBC=y
CONFIG_PROC_DEVICETREE=y
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=131072
CONFIG_MISC_DEVICES=y
CONFIG_DS1682=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
CONFIG_ATA=y
CONFIG_SATA_AHCI=y
CONFIG_SATA_SIL24=y
# CONFIG_ATA_SFF is not set
CONFIG_NETDEVICES=y
CONFIG_BONDING=m
CONFIG_DUMMY=m
CONFIG_NETCONSOLE=y
CONFIG_NETPOLL_TRAP=y
CONFIG_TUN=m
# CONFIG_NET_VENDOR_3COM is not set
CONFIG_FS_ENET=y
CONFIG_UCC_GETH=y
CONFIG_GIANFAR=y
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_FILTER=y
CONFIG_PPP_MULTILINK=y
CONFIG_PPPOE=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
CONFIG_SLIP=m
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=2
CONFIG_SERIAL_8250_RUNTIME_UARTS=2
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_DETECT_IRQ=y
CONFIG_SERIAL_8250_RSA=y
CONFIG_SERIAL_QE=m
CONFIG_NVRAM=y
CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_CPM=m
CONFIG_I2C_MPC=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_GE_FPGA=y
CONFIG_SENSORS_LM90=y
CONFIG_SENSORS_LM92=y
CONFIG_WATCHDOG=y
CONFIG_GEF_WDT=y
CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_HID_DRAGONRISE=y
CONFIG_HID_GYRATION=y
CONFIG_HID_TWINHAN=y
CONFIG_HID_ORTEK=y
CONFIG_HID_PANTHERLORD=y
CONFIG_HID_PETALYNX=y
CONFIG_HID_SAMSUNG=y
CONFIG_HID_SONY=y
CONFIG_HID_SUNPLUS=y
CONFIG_HID_GREENASIA=y
CONFIG_HID_SMARTJOYPLUS=y
CONFIG_HID_TOPSEED=y
CONFIG_HID_THRUSTMASTER=y
CONFIG_HID_ZEROPLUS=y
CONFIG_USB=y
CONFIG_USB_DEVICEFS=y
CONFIG_USB_EHCI_HCD=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_FSL=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
CONFIG_USB_OHCI_HCD_PPC_OF_LE=y
CONFIG_USB_STORAGE=y
CONFIG_EDAC=y
CONFIG_EDAC_MM_EDAC=y
CONFIG_EDAC_MPC85XX=y
CONFIG_RTC_CLASS=y
# CONFIG_RTC_INTF_PROC is not set
CONFIG_RTC_DRV_RX8581=y
CONFIG_DMADEVICES=y
CONFIG_FSL_DMA=y
# CONFIG_NET_DMA is not set
CONFIG_EXT2_FS=y
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT4_FS=y
CONFIG_FUSE_FS=y
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_ZISOFS=y
CONFIG_UDF_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=850
CONFIG_FAT_DEFAULT_IOCHARSET="ascii"
CONFIG_NTFS_FS=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_NFS_V4=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=y
CONFIG_NFSD_V4=y
CONFIG_CIFS=m
CONFIG_CIFS_XATTR=y
CONFIG_CIFS_POSIX=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_737=m
CONFIG_NLS_CODEPAGE_775=m
CONFIG_NLS_CODEPAGE_850=y
CONFIG_NLS_CODEPAGE_852=m
CONFIG_NLS_CODEPAGE_855=m
CONFIG_NLS_CODEPAGE_857=m
CONFIG_NLS_CODEPAGE_860=m
CONFIG_NLS_CODEPAGE_861=m
CONFIG_NLS_CODEPAGE_862=m
CONFIG_NLS_CODEPAGE_863=m
CONFIG_NLS_CODEPAGE_864=m
CONFIG_NLS_CODEPAGE_865=m
CONFIG_NLS_CODEPAGE_866=m
CONFIG_NLS_CODEPAGE_869=m
CONFIG_NLS_CODEPAGE_936=m
CONFIG_NLS_CODEPAGE_950=m
CONFIG_NLS_CODEPAGE_932=m
CONFIG_NLS_CODEPAGE_949=m
CONFIG_NLS_CODEPAGE_874=m
CONFIG_NLS_ISO8859_8=m
CONFIG_NLS_CODEPAGE_1250=m
CONFIG_NLS_CODEPAGE_1251=m
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
CONFIG_NLS_ISO8859_2=m
CONFIG_NLS_ISO8859_3=m
CONFIG_NLS_ISO8859_4=m
CONFIG_NLS_ISO8859_5=m
CONFIG_NLS_ISO8859_6=m
CONFIG_NLS_ISO8859_7=m
CONFIG_NLS_ISO8859_9=m
CONFIG_NLS_ISO8859_13=m
CONFIG_NLS_ISO8859_14=m
CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=m
CONFIG_NLS_UTF8=y
CONFIG_CRC_CCITT=y
CONFIG_CRC_T10DIF=y
CONFIG_LIBCRC32C=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_SHA256=m
CONFIG_CRYPTO_SHA512=m
CONFIG_CRYPTO_DES=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_DEV_TALITOS=y
......@@ -172,6 +172,21 @@ config SBC8560
help
This option enables support for the Wind River SBC8560 board
config GE_IMP3A
bool "GE Intelligent Platforms IMP3A"
select DEFAULT_UIMAGE
select SWIOTLB
select MMIO_NVRAM
select GENERIC_GPIO
select ARCH_REQUIRE_GPIOLIB
select GE_FPGA
help
This option enables support for the GE Intelligent Platforms IMP3A
board.
This board is a 3U CompactPCI Single Board Computer with a Freescale
P2020 processor.
config P2041_RDB
bool "Freescale P2041 RDB"
select DEFAULT_UIMAGE
......
......@@ -27,3 +27,4 @@ obj-$(CONFIG_SBC8548) += sbc8548.o
obj-$(CONFIG_SOCRATES) += socrates.o socrates_fpga_pic.o
obj-$(CONFIG_KSI8560) += ksi8560.o
obj-$(CONFIG_XES_MPC85xx) += xes_mpc85xx.o
obj-$(CONFIG_GE_IMP3A) += ge_imp3a.o
/*
* GE IMP3A Board Setup
*
* Author Martyn Welch <martyn.welch@ge.com>
*
* Copyright 2010 GE Intelligent Platforms Embedded Systems, 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 Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* Based on: mpc85xx_ds.c (MPC85xx DS Board Setup)
* Copyright 2007 Freescale Semiconductor Inc.
*/
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/interrupt.h>
#include <linux/of_platform.h>
#include <linux/memblock.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <mm/mmu_decl.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <asm/swiotlb.h>
#include <asm/nvram.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "smp.h"
#include "mpc85xx.h"
#include <sysdev/ge/ge_pic.h>
void __iomem *imp3a_regs;
void __init ge_imp3a_pic_init(void)
{
struct mpic *mpic;
struct device_node *np;
struct device_node *cascade_node = NULL;
unsigned long root = of_get_flat_dt_root();
if (of_flat_dt_is_compatible(root, "fsl,MPC8572DS-CAMP")) {
mpic = mpic_alloc(NULL, 0,
MPIC_NO_RESET |
MPIC_BIG_ENDIAN |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
} else {
mpic = mpic_alloc(NULL, 0,
MPIC_BIG_ENDIAN |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
}
BUG_ON(mpic == NULL);
mpic_init(mpic);
/*
* There is a simple interrupt handler in the main FPGA, this needs
* to be cascaded into the MPIC
*/
for_each_node_by_type(np, "interrupt-controller")
if (of_device_is_compatible(np, "gef,fpga-pic-1.00")) {
cascade_node = np;
break;
}
if (cascade_node == NULL) {
printk(KERN_WARNING "IMP3A: No FPGA PIC\n");
return;
}
gef_pic_init(cascade_node);
of_node_put(cascade_node);
}
#ifdef CONFIG_PCI
static int primary_phb_addr;
#endif /* CONFIG_PCI */
/*
* Setup the architecture
*/
static void __init ge_imp3a_setup_arch(void)
{
struct device_node *regs;
#ifdef CONFIG_PCI
struct device_node *np;
struct pci_controller *hose;
#endif
dma_addr_t max = 0xffffffff;
if (ppc_md.progress)
ppc_md.progress("ge_imp3a_setup_arch()", 0);
#ifdef CONFIG_PCI
for_each_node_by_type(np, "pci") {
if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
of_device_is_compatible(np, "fsl,mpc8548-pcie") ||
of_device_is_compatible(np, "fsl,p2020-pcie")) {
struct resource rsrc;
of_address_to_resource(np, 0, &rsrc);
if ((rsrc.start & 0xfffff) == primary_phb_addr)
fsl_add_bridge(np, 1);
else
fsl_add_bridge(np, 0);
hose = pci_find_hose_for_OF_device(np);
max = min(max, hose->dma_window_base_cur +
hose->dma_window_size);
}
}
#endif
mpc85xx_smp_init();
#ifdef CONFIG_SWIOTLB
if (memblock_end_of_DRAM() > max) {
ppc_swiotlb_enable = 1;
set_pci_dma_ops(&swiotlb_dma_ops);
ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
}
#endif
/* Remap basic board registers */
regs = of_find_compatible_node(NULL, NULL, "ge,imp3a-fpga-regs");
if (regs) {
imp3a_regs = of_iomap(regs, 0);
if (imp3a_regs == NULL)
printk(KERN_WARNING "Unable to map board registers\n");
of_node_put(regs);
}
#if defined(CONFIG_MMIO_NVRAM)
mmio_nvram_init();
#endif
printk(KERN_INFO "GE Intelligent Platforms IMP3A 3U cPCI SBC\n");
}
/* Return the PCB revision */
static unsigned int ge_imp3a_get_pcb_rev(void)
{
unsigned int reg;
reg = ioread16(imp3a_regs);
return (reg >> 8) & 0xff;
}
/* Return the board (software) revision */
static unsigned int ge_imp3a_get_board_rev(void)
{
unsigned int reg;
reg = ioread16(imp3a_regs + 0x2);
return reg & 0xff;
}
/* Return the FPGA revision */
static unsigned int ge_imp3a_get_fpga_rev(void)
{
unsigned int reg;
reg = ioread16(imp3a_regs + 0x2);
return (reg >> 8) & 0xff;
}
/* Return compactPCI Geographical Address */
static unsigned int ge_imp3a_get_cpci_geo_addr(void)
{
unsigned int reg;
reg = ioread16(imp3a_regs + 0x6);
return (reg & 0x0f00) >> 8;
}
/* Return compactPCI System Controller Status */
static unsigned int ge_imp3a_get_cpci_is_syscon(void)
{
unsigned int reg;
reg = ioread16(imp3a_regs + 0x6);
return reg & (1 << 12);
}
static void ge_imp3a_show_cpuinfo(struct seq_file *m)
{
seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
seq_printf(m, "Revision\t: %u%c\n", ge_imp3a_get_pcb_rev(),
('A' + ge_imp3a_get_board_rev() - 1));
seq_printf(m, "FPGA Revision\t: %u\n", ge_imp3a_get_fpga_rev());
seq_printf(m, "cPCI geo. addr\t: %u\n", ge_imp3a_get_cpci_geo_addr());
seq_printf(m, "cPCI syscon\t: %s\n",
ge_imp3a_get_cpci_is_syscon() ? "yes" : "no");
}
/*
* Called very early, device-tree isn't unflattened
*/
static int __init ge_imp3a_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (of_flat_dt_is_compatible(root, "ge,IMP3A")) {
#ifdef CONFIG_PCI
primary_phb_addr = 0x9000;
#endif
return 1;
}
return 0;
}
machine_device_initcall(ge_imp3a, mpc85xx_common_publish_devices);
machine_arch_initcall(ge_imp3a, swiotlb_setup_bus_notifier);
define_machine(ge_imp3a) {
.name = "GE_IMP3A",
.probe = ge_imp3a_probe,
.setup_arch = ge_imp3a_setup_arch,
.init_IRQ = ge_imp3a_pic_init,
.show_cpuinfo = ge_imp3a_show_cpuinfo,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
.get_irq = mpic_get_irq,
.restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
......@@ -162,6 +162,34 @@ static int __init gef_gpio_init(void)
}
}
for_each_compatible_node(np, NULL, "ge,imp3a-gpio") {
pr_debug("%s: Initialising GE GPIO\n", np->full_name);
/* Allocate chip structure */
gef_gpio_chip = kzalloc(sizeof(*gef_gpio_chip), GFP_KERNEL);
if (!gef_gpio_chip) {
pr_err("%s: Unable to allocate structure\n",
np->full_name);
continue;
}
/* Setup pointers to chip functions */
gef_gpio_chip->gc.of_gpio_n_cells = 2;
gef_gpio_chip->gc.ngpio = 16;
gef_gpio_chip->gc.direction_input = gef_gpio_dir_in;
gef_gpio_chip->gc.direction_output = gef_gpio_dir_out;
gef_gpio_chip->gc.get = gef_gpio_get;
gef_gpio_chip->gc.set = gef_gpio_set;
/* This function adds a memory mapped GPIO chip */
retval = of_mm_gpiochip_add(np, gef_gpio_chip);
if (retval) {
kfree(gef_gpio_chip);
pr_err("%s: Unable to add GPIO\n", np->full_name);
}
}
return 0;
};
arch_initcall(gef_gpio_init);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment