[PATCH] powerpc/p4080: Add basic support for p4080ds platform
Kumar Gala
galak at kernel.crashing.org
Sat Nov 21 08:34:56 EST 2009
Add basic support for the P4080 DS reference board. None of the data
path devices (ethernet, crypto, pme) are support at this time.
Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
arch/powerpc/boot/dts/p4080ds.dts | 554 ++++++++++++++++++++++++++++++
arch/powerpc/platforms/85xx/Kconfig | 12 +
arch/powerpc/platforms/85xx/Makefile | 1 +
arch/powerpc/platforms/85xx/corenet_ds.c | 125 +++++++
arch/powerpc/platforms/85xx/corenet_ds.h | 19 +
arch/powerpc/platforms/85xx/p4080_ds.c | 74 ++++
6 files changed, 785 insertions(+), 0 deletions(-)
create mode 100644 arch/powerpc/boot/dts/p4080ds.dts
create mode 100644 arch/powerpc/platforms/85xx/corenet_ds.c
create mode 100644 arch/powerpc/platforms/85xx/corenet_ds.h
create mode 100644 arch/powerpc/platforms/85xx/p4080_ds.c
diff --git a/arch/powerpc/boot/dts/p4080ds.dts b/arch/powerpc/boot/dts/p4080ds.dts
new file mode 100644
index 0000000..6b29eab
--- /dev/null
+++ b/arch/powerpc/boot/dts/p4080ds.dts
@@ -0,0 +1,554 @@
+/*
+ * P4080DS Device Tree Source
+ *
+ * Copyright 2009 Freescale Semiconductor 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.
+ */
+
+/dts-v1/;
+
+/ {
+ model = "fsl,P4080DS";
+ compatible = "fsl,P4080DS";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ aliases {
+ ccsr = &soc;
+
+ serial0 = &serial0;
+ serial1 = &serial1;
+ serial2 = &serial2;
+ serial3 = &serial3;
+ pci0 = &pci0;
+ pci1 = &pci1;
+ pci2 = &pci2;
+ usb0 = &usb0;
+ usb1 = &usb1;
+ dma0 = &dma0;
+ dma1 = &dma1;
+ sdhc = &sdhc;
+
+ rio0 = &rapidio0;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: PowerPC,4080 at 0 {
+ device_type = "cpu";
+ reg = <0>;
+ next-level-cache = <&L2_0>;
+ L2_0: l2-cache {
+ };
+ };
+ cpu1: PowerPC,4080 at 1 {
+ device_type = "cpu";
+ reg = <1>;
+ next-level-cache = <&L2_1>;
+ L2_1: l2-cache {
+ };
+ };
+ cpu2: PowerPC,4080 at 2 {
+ device_type = "cpu";
+ reg = <2>;
+ next-level-cache = <&L2_2>;
+ L2_2: l2-cache {
+ };
+ };
+ cpu3: PowerPC,4080 at 3 {
+ device_type = "cpu";
+ reg = <3>;
+ next-level-cache = <&L2_3>;
+ L2_3: l2-cache {
+ };
+ };
+ cpu4: PowerPC,4080 at 4 {
+ device_type = "cpu";
+ reg = <4>;
+ next-level-cache = <&L2_4>;
+ L2_4: l2-cache {
+ };
+ };
+ cpu5: PowerPC,4080 at 5 {
+ device_type = "cpu";
+ reg = <5>;
+ next-level-cache = <&L2_5>;
+ L2_5: l2-cache {
+ };
+ };
+ cpu6: PowerPC,4080 at 6 {
+ device_type = "cpu";
+ reg = <6>;
+ next-level-cache = <&L2_6>;
+ L2_6: l2-cache {
+ };
+ };
+ cpu7: PowerPC,4080 at 7 {
+ device_type = "cpu";
+ reg = <7>;
+ next-level-cache = <&L2_7>;
+ L2_7: l2-cache {
+ };
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ };
+
+ soc: soc at ffe000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ device_type = "soc";
+ compatible = "simple-bus";
+ ranges = <0x00000000 0xf 0xfe000000 0x1000000>;
+ reg = <0xf 0xfe000000 0 0x00001000>;
+
+ corenet-law at 0 {
+ compatible = "fsl,corenet-law";
+ reg = <0x0 0x1000>;
+ fsl,num-laws = <32>;
+ };
+
+ memory-controller at 8000 {
+ compatible = "fsl,p4080-memory-controller";
+ reg = <0x8000 0x1000>;
+ interrupt-parent = <&mpic>;
+ interrupts = <0x12 2>;
+ };
+
+ memory-controller at 9000 {
+ compatible = "fsl,p4080-memory-controller";
+ reg = <0x9000 0x1000>;
+ interrupt-parent = <&mpic>;
+ interrupts = <0x12 2>;
+ };
+
+ corenet-cf at 18000 {
+ compatible = "fsl,corenet-cf";
+ reg = <0x18000 0x1000>;
+ fsl,ccf-num-csdids = <32>;
+ fsl,ccf-num-snoopids = <32>;
+ };
+
+ iommu at 20000 {
+ compatible = "fsl,p4080-pamu";
+ reg = <0x20000 0x10000>;
+ interrupts = <24 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ mpic: pic at 40000 {
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <2>;
+ reg = <0x40000 0x40000>;
+ compatible = "chrp,open-pic";
+ device_type = "open-pic";
+ };
+
+ dma0: dma at 100300 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,p4080-dma", "fsl,eloplus-dma";
+ reg = <0x100300 0x4>;
+ ranges = <0x0 0x100100 0x200>;
+ cell-index = <0>;
+ dma-channel at 0 {
+ compatible = "fsl,p4080-dma-channel",
+ "fsl,eloplus-dma-channel";
+ reg = <0x0 0x80>;
+ cell-index = <0>;
+ interrupt-parent = <&mpic>;
+ interrupts = <28 2>;
+ };
+ dma-channel at 80 {
+ compatible = "fsl,p4080-dma-channel",
+ "fsl,eloplus-dma-channel";
+ reg = <0x80 0x80>;
+ cell-index = <1>;
+ interrupt-parent = <&mpic>;
+ interrupts = <29 2>;
+ };
+ dma-channel at 100 {
+ compatible = "fsl,p4080-dma-channel",
+ "fsl,eloplus-dma-channel";
+ reg = <0x100 0x80>;
+ cell-index = <2>;
+ interrupt-parent = <&mpic>;
+ interrupts = <30 2>;
+ };
+ dma-channel at 180 {
+ compatible = "fsl,p4080-dma-channel",
+ "fsl,eloplus-dma-channel";
+ reg = <0x180 0x80>;
+ cell-index = <3>;
+ interrupt-parent = <&mpic>;
+ interrupts = <31 2>;
+ };
+ };
+
+ dma1: dma at 101300 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,p4080-dma", "fsl,eloplus-dma";
+ reg = <0x101300 0x4>;
+ ranges = <0x0 0x101100 0x200>;
+ cell-index = <1>;
+ dma-channel at 0 {
+ compatible = "fsl,p4080-dma-channel",
+ "fsl,eloplus-dma-channel";
+ reg = <0x0 0x80>;
+ cell-index = <0>;
+ interrupt-parent = <&mpic>;
+ interrupts = <32 2>;
+ };
+ dma-channel at 80 {
+ compatible = "fsl,p4080-dma-channel",
+ "fsl,eloplus-dma-channel";
+ reg = <0x80 0x80>;
+ cell-index = <1>;
+ interrupt-parent = <&mpic>;
+ interrupts = <33 2>;
+ };
+ dma-channel at 100 {
+ compatible = "fsl,p4080-dma-channel",
+ "fsl,eloplus-dma-channel";
+ reg = <0x100 0x80>;
+ cell-index = <2>;
+ interrupt-parent = <&mpic>;
+ interrupts = <34 2>;
+ };
+ dma-channel at 180 {
+ compatible = "fsl,p4080-dma-channel",
+ "fsl,eloplus-dma-channel";
+ reg = <0x180 0x80>;
+ cell-index = <3>;
+ interrupt-parent = <&mpic>;
+ interrupts = <35 2>;
+ };
+ };
+
+ spi at 110000 {
+ cell-index = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,espi";
+ reg = <0x110000 0x1000>;
+ interrupts = <53 0x2>;
+ interrupt-parent = <&mpic>;
+ espi,num-ss-bits = <4>;
+ mode = "cpu";
+
+ fsl_m25p80 at 0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,espi-flash";
+ reg = <0>;
+ linux,modalias = "fsl_m25p80";
+ spi-max-frequency = <40000000>; /* input clock */
+ partition at u-boot {
+ label = "u-boot";
+ reg = <0x00000000 0x00100000>;
+ read-only;
+ };
+ partition at kernel {
+ label = "kernel";
+ reg = <0x00100000 0x00500000>;
+ read-only;
+ };
+ partition at dtb {
+ label = "dtb";
+ reg = <0x00600000 0x00100000>;
+ read-only;
+ };
+ partition at fs {
+ label = "file system";
+ reg = <0x00700000 0x00900000>;
+ };
+ };
+ };
+
+ sdhc: sdhc at 114000 {
+ compatible = "fsl,p4080-esdhc", "fsl,esdhc";
+ reg = <0x114000 0x1000>;
+ interrupts = <48 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ i2c at 118000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <0>;
+ compatible = "fsl-i2c";
+ reg = <0x118000 0x100>;
+ interrupts = <38 2>;
+ interrupt-parent = <&mpic>;
+ dfsrr;
+ };
+
+ i2c at 118100 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <1>;
+ compatible = "fsl-i2c";
+ reg = <0x118100 0x100>;
+ interrupts = <38 2>;
+ interrupt-parent = <&mpic>;
+ dfsrr;
+ eeprom at 51 {
+ compatible = "at24,24c256";
+ reg = <0x51>;
+ };
+ eeprom at 52 {
+ compatible = "at24,24c256";
+ reg = <0x52>;
+ };
+ rtc at 68 {
+ compatible = "dallas,ds3232";
+ reg = <0x68>;
+ interrupts = <0 0x1>;
+ interrupt-parent = <&mpic>;
+ };
+ };
+
+ i2c at 119000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <2>;
+ compatible = "fsl-i2c";
+ reg = <0x119000 0x100>;
+ interrupts = <39 2>;
+ interrupt-parent = <&mpic>;
+ dfsrr;
+ };
+
+ i2c at 119100 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <3>;
+ compatible = "fsl-i2c";
+ reg = <0x119100 0x100>;
+ interrupts = <39 2>;
+ interrupt-parent = <&mpic>;
+ dfsrr;
+ };
+
+ serial0: serial at 11c500 {
+ cell-index = <0>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x11c500 0x100>;
+ clock-frequency = <0>;
+ interrupts = <36 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ serial1: serial at 11c600 {
+ cell-index = <1>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x11c600 0x100>;
+ clock-frequency = <0>;
+ interrupts = <36 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ serial2: serial at 11d500 {
+ cell-index = <2>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x11d500 0x100>;
+ clock-frequency = <0>;
+ interrupts = <37 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ serial3: serial at 11d600 {
+ cell-index = <3>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x11d600 0x100>;
+ clock-frequency = <0>;
+ interrupts = <37 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ gpio0: gpio at 130000 {
+ compatible = "fsl,p4080-gpio";
+ reg = <0x130000 0x1000>;
+ interrupts = <55 2>;
+ interrupt-parent = <&mpic>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ };
+
+ usb0: usb at 210000 {
+ compatible = "fsl,p4080-usb2-mph",
+ "fsl,mpc85xx-usb2-mph", "fsl-usb2-mph";
+ reg = <0x210000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupt-parent = <&mpic>;
+ interrupts = <44 0x2>;
+ phy_type = "ulpi";
+ };
+
+ usb1: usb at 211000 {
+ compatible = "fsl,p4080-usb2-dr",
+ "fsl,mpc85xx-usb2-dr", "fsl-usb2-dr";
+ reg = <0x211000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupt-parent = <&mpic>;
+ interrupts = <45 0x2>;
+ dr_mode = "host";
+ phy_type = "ulpi";
+ };
+ };
+
+ rapidio0: rapidio at ffe0c0000 {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "fsl,rapidio-delta";
+ reg = <0xf 0xfe0c0000 0 0x20000>;
+ ranges = <0 0 0xf 0xf5000000 0 0x01000000>;
+ interrupt-parent = <&mpic>;
+ /* err_irq bell_outb_irq bell_inb_irq
+ msg1_tx_irq msg1_rx_irq msg2_tx_irq msg2_rx_irq */
+ interrupts = <16 2 56 2 57 2 60 2 61 2 62 2 63 2>;
+ };
+
+ localbus at ffe124000 {
+ compatible = "fsl,p4080-elbc", "fsl,elbc", "simple-bus";
+ reg = <0xf 0xfe124000 0 0x1000>;
+ interrupts = <25 2>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ ranges = <0 0 0xf 0xe8000000 0x08000000>;
+
+ flash at 0,0 {
+ compatible = "cfi-flash";
+ reg = <0 0 0x08000000>;
+ bank-width = <2>;
+ device-width = <2>;
+ };
+ };
+
+ pci0: pcie at ffe200000 {
+ compatible = "fsl,p4080-pcie";
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ reg = <0xf 0xfe200000 0 0x1000>;
+ bus-range = <0x0 0xff>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000
+ 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>;
+ clock-frequency = <0x1fca055>;
+ interrupt-parent = <&mpic>;
+ interrupts = <16 2>;
+
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <
+ /* IDSEL 0x0 */
+ 0000 0 0 1 &mpic 40 1
+ 0000 0 0 2 &mpic 1 1
+ 0000 0 0 3 &mpic 2 1
+ 0000 0 0 4 &mpic 3 1
+ >;
+ pcie at 0 {
+ reg = <0 0 0 0 0>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ device_type = "pci";
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci1: pcie at ffe201000 {
+ compatible = "fsl,p4080-pcie";
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ reg = <0xf 0xfe201000 0 0x1000>;
+ bus-range = <0 0xff>;
+ ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000
+ 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>;
+ clock-frequency = <0x1fca055>;
+ interrupt-parent = <&mpic>;
+ interrupts = <16 2>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <
+ /* IDSEL 0x0 */
+ 0000 0 0 1 &mpic 41 1
+ 0000 0 0 2 &mpic 5 1
+ 0000 0 0 3 &mpic 6 1
+ 0000 0 0 4 &mpic 7 1
+ >;
+ pcie at 0 {
+ reg = <0 0 0 0 0>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ device_type = "pci";
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+ pci2: pcie at ffe202000 {
+ compatible = "fsl,p4080-pcie";
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ reg = <0xf 0xfe202000 0 0x1000>;
+ bus-range = <0x0 0xff>;
+ ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x20000000
+ 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>;
+ clock-frequency = <0x1fca055>;
+ interrupt-parent = <&mpic>;
+ interrupts = <16 2>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <
+ /* IDSEL 0x0 */
+ 0000 0 0 1 &mpic 42 1
+ 0000 0 0 2 &mpic 9 1
+ 0000 0 0 3 &mpic 10 1
+ 0000 0 0 4 &mpic 11 1
+ >;
+ pcie at 0 {
+ reg = <0 0 0 0 0>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ device_type = "pci";
+ ranges = <0x02000000 0 0xe0000000
+ 0x02000000 0 0xe0000000
+ 0 0x20000000
+
+ 0x01000000 0 0x00000000
+ 0x01000000 0 0x00000000
+ 0 0x00010000>;
+ };
+ };
+
+};
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 5de0d63..d951218 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -145,6 +145,18 @@ config SBC8560
help
This option enables support for the Wind River SBC8560 board
+config P4080_DS
+ bool "Freescale P4080 DS"
+ select DEFAULT_UIMAGE
+ select PPC_FSL_BOOK3E
+ select PPC_E500MC
+ select PHYS_64BIT
+ select SWIOTLB
+ select MPC8xxx_GPIO
+ select HAS_RAPIDIO
+ help
+ This option enables support for the P4080 DS board
+
endif # FSL_SOC_BOOKE
config TQM85xx
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 9098aea..387c128 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o
obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o
obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o
+obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o
obj-$(CONFIG_STX_GP3) += stx_gp3.o
obj-$(CONFIG_TQM85xx) += tqm85xx.o
obj-$(CONFIG_SBC8560) += sbc8560.o
diff --git a/arch/powerpc/platforms/85xx/corenet_ds.c b/arch/powerpc/platforms/85xx/corenet_ds.c
new file mode 100644
index 0000000..534c2ec
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/corenet_ds.c
@@ -0,0 +1,125 @@
+/*
+ * Corenet based SoC DS Setup
+ *
+ * Maintained by Kumar Gala (see MAINTAINERS for contact information)
+ *
+ * Copyright 2009 Freescale Semiconductor 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/lmb.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 <linux/of_platform.h>
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+void __init corenet_ds_pic_init(void)
+{
+ struct mpic *mpic;
+ struct resource r;
+ struct device_node *np = NULL;
+ unsigned int flags = MPIC_PRIMARY | MPIC_BIG_ENDIAN |
+ MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU;
+
+ np = of_find_node_by_type(np, "open-pic");
+
+ if (np == NULL) {
+ 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;
+ }
+
+ if (ppc_md.get_irq == mpic_get_coreint_irq)
+ flags |= MPIC_ENABLE_COREINT;
+
+ mpic = mpic_alloc(np, r.start, flags, 0, 256, " OpenPIC ");
+ BUG_ON(mpic == NULL);
+
+ mpic_init(mpic);
+}
+
+#ifdef CONFIG_PCI
+static int primary_phb_addr;
+#endif
+
+/*
+ * Setup the architecture
+ */
+#ifdef CONFIG_SMP
+void __init mpc85xx_smp_init(void);
+#endif
+
+void __init corenet_ds_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+ struct device_node *np;
+ struct pci_controller *hose;
+#endif
+ dma_addr_t max = 0xffffffff;
+
+#ifdef CONFIG_SMP
+ mpc85xx_smp_init();
+#endif
+
+#ifdef CONFIG_PCI
+ for_each_compatible_node(np, "pci", "fsl,p4080-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
+
+#ifdef CONFIG_SWIOTLB
+ if (lmb_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
+ pr_info("%s board from Freescale Semiconductor\n", ppc_md.name);
+}
+
+static const struct of_device_id of_device_ids[] __devinitconst = {
+ {
+ .compatible = "simple-bus"
+ },
+ {
+ .compatible = "fsl,rapidio-delta",
+ },
+ {}
+};
+
+int __init corenet_ds_publish_devices(void)
+{
+ return of_platform_bus_probe(NULL, of_device_ids, NULL);
+}
diff --git a/arch/powerpc/platforms/85xx/corenet_ds.h b/arch/powerpc/platforms/85xx/corenet_ds.h
new file mode 100644
index 0000000..ddd700b
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/corenet_ds.h
@@ -0,0 +1,19 @@
+/*
+ * Corenet based SoC DS Setup
+ *
+ * Copyright 2009 Freescale Semiconductor Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef CORENET_DS_H
+#define CORENET_DS_H
+
+extern void __init corenet_ds_pic_init(void);
+extern void __init corenet_ds_setup_arch(void);
+extern int __init corenet_ds_publish_devices(void);
+
+#endif
diff --git a/arch/powerpc/platforms/85xx/p4080_ds.c b/arch/powerpc/platforms/85xx/p4080_ds.c
new file mode 100644
index 0000000..8417046
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/p4080_ds.c
@@ -0,0 +1,74 @@
+/*
+ * P4080 DS Setup
+ *
+ * Maintained by Kumar Gala (see MAINTAINERS for contact information)
+ *
+ * Copyright 2009 Freescale Semiconductor 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/interrupt.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 <linux/of_platform.h>
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+#include "corenet_ds.h"
+
+#ifdef CONFIG_PCI
+static int primary_phb_addr;
+#endif
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init p4080_ds_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (of_flat_dt_is_compatible(root, "fsl,P4080DS")) {
+#ifdef CONFIG_PCI
+ /* treat PCIe1 as primary,
+ * shouldn't matter as we have no ISA on the board
+ */
+ primary_phb_addr = 0x0000;
+#endif
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+define_machine(p4080_ds) {
+ .name = "P4080 DS",
+ .probe = p4080_ds_probe,
+ .setup_arch = corenet_ds_setup_arch,
+ .init_IRQ = corenet_ds_pic_init,
+#ifdef CONFIG_PCI
+ .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
+ .get_irq = mpic_get_coreint_irq,
+ .restart = fsl_rstcr_restart,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+};
+
+machine_device_initcall(p4080_ds, corenet_ds_publish_devices);
+machine_arch_initcall(p4080_ds, swiotlb_setup_bus_notifier);
--
1.6.0.6
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