powerpc/85xx: Add basic P1023RDS board support

The P1023 processor is an e500v2 based SoC that utilizes the DPAA
networking architecture.  This adds basic board support for non-DPAA
functionality (device tree, board file, etc).
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/configs/85xx/p1023rds_defconfig

+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_AUDIT=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_KALLSYMS_ALL=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_EMBEDDED=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_P1023_RDS=y
+CONFIG_QUICC_ENGINE=y
+CONFIG_QE_GPIO=y
+CONFIG_CPM2=y
+CONFIG_MPC8xxx_GPIO=y
+CONFIG_HIGHMEM=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_BINFMT_MISC=m
+CONFIG_MATH_EMULATION=y
+CONFIG_SWIOTLB=y
+CONFIG_PCI=y
+CONFIG_PCIEPORTBUS=y
+# CONFIG_PCIEAER is not set
+# CONFIG_PCIEASPM is not set
+CONFIG_PCI_MSI=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=y
+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=y
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+CONFIG_ARPD=y
+CONFIG_INET_ESP=y
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_IPV6=y
+CONFIG_IP_SCTP=m
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_PROC_DEVICETREE=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=131072
+CONFIG_MISC_DEVICES=y
+CONFIG_EEPROM_LEGACY=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_ST=y
+CONFIG_BLK_DEV_SR=y
+CONFIG_CHR_DEV_SG=y
+CONFIG_SCSI_MULTI_LUN=y
+CONFIG_SCSI_LOGGING=y
+CONFIG_ATA=y
+CONFIG_SATA_FSL=y
+CONFIG_SATA_SIL24=y
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+CONFIG_MARVELL_PHY=y
+CONFIG_DAVICOM_PHY=y
+CONFIG_CICADA_PHY=y
+CONFIG_VITESSE_PHY=y
+CONFIG_FIXED_PHY=y
+CONFIG_NET_ETHERNET=y
+CONFIG_FS_ENET=y
+CONFIG_E1000E=y
+CONFIG_FSL_PQ_MDIO=y
+CONFIG_INPUT_FF_MEMLESS=m
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+CONFIG_SERIO_LIBPS2=y
+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_HW_RANDOM=y
+CONFIG_NVRAM=y
+CONFIG_I2C=y
+CONFIG_I2C_CPM=m
+CONFIG_I2C_MPC=y
+# CONFIG_HWMON is not set
+CONFIG_VIDEO_OUTPUT_CONTROL=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
+# CONFIG_SND_SUPPORT_OLD_API is not set
+CONFIG_EDAC=y
+CONFIG_EDAC_MM_EDAC=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_CMOS=y
+CONFIG_DMADEVICES=y
+CONFIG_FSL_DMA=y
+# CONFIG_NET_DMA is not set
+CONFIG_STAGING=y
+# CONFIG_STAGING_EXCLUDE_BUILD is not set
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_ZISOFS=y
+CONFIG_UDF_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=y
+CONFIG_NTFS_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_ADFS_FS=m
+CONFIG_AFFS_FS=m
+CONFIG_HFS_FS=m
+CONFIG_HFSPLUS_FS=m
+CONFIG_BEFS_FS=m
+CONFIG_BFS_FS=m
+CONFIG_EFS_FS=m
+CONFIG_CRAMFS=y
+CONFIG_VXFS_FS=m
+CONFIG_HPFS_FS=m
+CONFIG_QNX4FS_FS=m
+CONFIG_SYSV_FS=m
+CONFIG_UFS_FS=m
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
+CONFIG_NFSD=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_MAC_PARTITION=y
+CONFIG_CRC_T10DIF=y
+CONFIG_FRAME_WARN=8092
+CONFIG_DEBUG_FS=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_INFO=y
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_VIRQ_DEBUG=y
+CONFIG_CRYPTO_PCBC=m
+CONFIG_CRYPTO_SHA256=y
+CONFIG_CRYPTO_SHA512=y
+CONFIG_CRYPTO_AES=y
+# CONFIG_CRYPTO_ANSI_CPRNG is not set

arch/powerpc/configs/mpc85xx_defconfig

@@ -5,6 +5,7 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_AUDIT=y
+CONFIG_SPARSE_IRQ=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
@@ -26,6 +27,7 @@ CONFIG_MPC8536_DS=y
 CONFIG_MPC85xx_DS=y
 CONFIG_MPC85xx_RDB=y
 CONFIG_P1022_DS=y
+CONFIG_P1023_RDS=y
 CONFIG_SOCRATES=y
 CONFIG_KSI8560=y
 CONFIG_XES_MPC85xx=y
@@ -44,7 +46,6 @@ CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BINFMT_MISC=m
 CONFIG_MATH_EMULATION=y
-CONFIG_SPARSE_IRQ=y
 CONFIG_FORCE_MAX_ZONEORDER=12
 CONFIG_PCI=y
 CONFIG_PCI_MSI=y
@@ -65,8 +66,6 @@ CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y
 CONFIG_IP_PNP_RARP=y
 CONFIG_NET_IPIP=y
-CONFIG_NET_IPGRE=y
-CONFIG_NET_IPGRE_BROADCAST=y
 CONFIG_IP_MROUTE=y
 CONFIG_IP_PIMSM_V1=y
 CONFIG_IP_PIMSM_V2=y
@@ -170,7 +169,6 @@ CONFIG_FSL_DMA=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-CONFIG_INOTIFY=y
 CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
 CONFIG_ZISOFS=y
@@ -205,7 +203,6 @@ CONFIG_DEBUG_FS=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DETECT_HUNG_TASK=y
 CONFIG_DEBUG_INFO=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_VIRQ_DEBUG=y
 CONFIG_CRYPTO_PCBC=m

arch/powerpc/configs/mpc85xx_smp_defconfig

@@ -7,6 +7,7 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_AUDIT=y
+CONFIG_SPARSE_IRQ=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
@@ -28,6 +29,7 @@ CONFIG_MPC8536_DS=y
 CONFIG_MPC85xx_DS=y
 CONFIG_MPC85xx_RDB=y
 CONFIG_P1022_DS=y
+CONFIG_P1023_RDS=y
 CONFIG_SOCRATES=y
 CONFIG_KSI8560=y
 CONFIG_XES_MPC85xx=y
@@ -46,7 +48,6 @@ CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BINFMT_MISC=m
 CONFIG_MATH_EMULATION=y
-CONFIG_SPARSE_IRQ=y
 CONFIG_FORCE_MAX_ZONEORDER=12
 CONFIG_PCI=y
 CONFIG_PCI_MSI=y
@@ -67,8 +68,6 @@ CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y
 CONFIG_IP_PNP_RARP=y
 CONFIG_NET_IPIP=y
-CONFIG_NET_IPGRE=y
-CONFIG_NET_IPGRE_BROADCAST=y
 CONFIG_IP_MROUTE=y
 CONFIG_IP_PIMSM_V1=y
 CONFIG_IP_PIMSM_V2=y
@@ -172,7 +171,6 @@ CONFIG_FSL_DMA=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-CONFIG_INOTIFY=y
 CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
 CONFIG_ZISOFS=y

arch/powerpc/platforms/85xx/Kconfig

@@ -75,6 +75,12 @@ config P1022_DS
 	help
 	  This option enables support for the Freescale P1022DS reference board.
 
+config P1023_RDS
+	bool "Freescale P1023 RDS"
+	select DEFAULT_UIMAGE
+	help
+	  This option enables support for the P1023 RDS board
+
 config SOCRATES
 	bool "Socrates"
 	select DEFAULT_UIMAGE

arch/powerpc/platforms/85xx/Makefile

@@ -11,6 +11,7 @@ obj-$(CONFIG_MPC85xx_DS)  += mpc85xx_ds.o
 obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
 obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o
 obj-$(CONFIG_P1022_DS)    += p1022_ds.o
+obj-$(CONFIG_P1023_RDS)   += p1023_rds.o
 obj-$(CONFIG_P3041_DS)    += p3041_ds.o corenet_ds.o
 obj-$(CONFIG_P4080_DS)    += p4080_ds.o corenet_ds.o
 obj-$(CONFIG_P5020_DS)    += p5020_ds.o corenet_ds.o

arch/powerpc/platforms/85xx/p1023_rds.c

+/*
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ *
+ * Author: Roy Zang <tie-fei.zang@freescale.com>
+ *
+ * Description:
+ * P1023 RDS Board Setup
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/fsl_devices.h>
+#include <linux/of_platform.h>
+#include <linux/of_device.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 <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+#ifdef CONFIG_SMP
+void __init mpc85xx_smp_init(void);
+#endif
+
+static void __init mpc85xx_rds_setup_arch(void)
+{
+	struct device_node *np;
+
+	if (ppc_md.progress)
+		ppc_md.progress("p1023_rds_setup_arch()", 0);
+
+	/* Map BCSR area */
+	np = of_find_node_by_name(NULL, "bcsr");
+	if (np != NULL) {
+		static u8 __iomem *bcsr_regs;
+
+		bcsr_regs = of_iomap(np, 0);
+		of_node_put(np);
+
+		if (!bcsr_regs) {
+			printk(KERN_ERR
+			       "BCSR: Failed to map bcsr register space\n");
+			return;
+		} else {
+#define BCSR15_I2C_BUS0_SEG_CLR		0x07
+#define BCSR15_I2C_BUS0_SEG2		0x02
+/*
+ * Note: Accessing exclusively i2c devices.
+ *
+ * The i2c controller selects initially ID EEPROM in the u-boot;
+ * but if menu configuration selects RTC support in the kernel,
+ * the i2c controller switches to select RTC chip in the kernel.
+ */
+#ifdef CONFIG_RTC_CLASS
+			/* Enable RTC chip on the segment #2 of i2c */
+			clrbits8(&bcsr_regs[15], BCSR15_I2C_BUS0_SEG_CLR);
+			setbits8(&bcsr_regs[15], BCSR15_I2C_BUS0_SEG2);
+#endif
+
+			iounmap(bcsr_regs);
+		}
+	}
+
+#ifdef CONFIG_PCI
+	for_each_compatible_node(np, "pci", "fsl,p1023-pcie")
+		fsl_add_bridge(np, 0);
+#endif
+
+#ifdef CONFIG_SMP
+	mpc85xx_smp_init();
+#endif
+}
+
+static struct of_device_id p1023_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+
+static int __init p1023_publish_devices(void)
+{
+	of_platform_bus_probe(NULL, p1023_ids, NULL);
+
+	return 0;
+}
+
+machine_device_initcall(p1023_rds, p1023_publish_devices);
+
+static void __init mpc85xx_rds_pic_init(void)
+{
+	struct mpic *mpic;
+	struct resource r;
+	struct device_node *np = NULL;
+
+	np = of_find_node_by_type(NULL, "open-pic");
+	if (!np) {
+		printk(KERN_ERR "Could not find open-pic node\n");
+		return;
+	}
+
+	if (of_address_to_resource(np, 0, &r)) {
+		printk(KERN_ERR "Failed to map mpic register space\n");
+		of_node_put(np);
+		return;
+	}
+
+	mpic = mpic_alloc(np, r.start,
+		MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
+		MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
+		0, 256, " OpenPIC  ");
+
+	BUG_ON(mpic == NULL);
+	of_node_put(np);
+
+	mpic_init(mpic);
+}
+
+static int __init p1023_rds_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "fsl,P1023RDS");
+
+}
+
+define_machine(p1023_rds) {
+	.name			= "P1023 RDS",
+	.probe			= p1023_rds_probe,
+	.setup_arch		= mpc85xx_rds_setup_arch,
+	.init_IRQ		= mpc85xx_rds_pic_init,
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+};
+