Signed-off-by: David Jander <[EMAIL PROTECTED]>
---
arch/powerpc/boot/dts/prtlvt.dts | 280 ++++++++++++++++++++++++++++++++++
arch/powerpc/platforms/512x/Kconfig | 9 +
arch/powerpc/platforms/512x/Makefile | 1 +
arch/powerpc/platforms/512x/prtlvt.c | 105 +++++++++++++
4 files changed, 395 insertions(+), 0 deletions(-)
create mode 100644 arch/powerpc/boot/dts/prtlvt.dts
create mode 100644 arch/powerpc/platforms/512x/prtlvt.c
diff --git a/arch/powerpc/boot/dts/prtlvt.dts b/arch/powerpc/boot/dts/prtlvt.dts
new file mode 100644
index 0000000..238dc89
--- /dev/null
+++ b/arch/powerpc/boot/dts/prtlvt.dts
@@ -0,0 +1,280 @@
+/*
+ * MPC5121E MDS Device Tree Source
+ *
+ * Copyright 2007 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.
+ */
+
+ /* compile with: ./dtc -p 10240 -R 20 -I dts -o prtlvt.dtb -O dtb -b 0
dts/prtlvt.dts */
+
+/dts-v1/;
+
+/ {
+ model = "prtlvt";
+ compatible = "fsl,prtlvt";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ PowerPC,[EMAIL PROTECTED] {
+ device_type = "cpu";
+ reg = <0>;
+ d-cache-line-size = <0x20>; // 32 bytes
+ i-cache-line-size = <0x20>; // 32 bytes
+ d-cache-size = <0x8000>; // L1, 32K
+ i-cache-size = <0x8000>; // L1, 32K
+ timebase-frequency = <50000000>;// 50 MHz (csb/4)
+ bus-frequency = <200000000>; // 200 MHz csb bus
+ clock-frequency = <400000000>; // 400 MHz ppc core
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x10000000>; // 256MB at 0
+ };
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,prtlvt-localbus";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ reg = <0x80000020 0x40>;
+
+ ranges = <0x0 0x0 0xfe000000 0x02000000>;
+
+ [EMAIL PROTECTED],0 {
+ compatible = "cfi-flash";
+ reg = <0 0x0 0x4000000>;
+ bank-width = <4>;
+ device-width = <1>;
+ };
+ };
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mpc5121-immr";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ #interrupt-cells = <2>;
+ ranges = <0x0 0x80000000 0x400000>;
+ reg = <0x80000000 0x400000>;
+ bus-frequency = <66000000>; // 66 MHz ips bus
+
+
+ // IPIC
+ // interrupts cell = <intr #, sense>
+ // sense values match linux IORESOURCE_IRQ_* defines:
+ // sense == 8: Level, low assertion
+ // sense == 2: Edge, high-to-low change
+ //
+ ipic: [EMAIL PROTECTED] {
+ compatible = "fsl,mpc5121-ipic", "fsl,ipic";
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <2>;
+ reg = <0xc00 0x100>;
+ };
+
+ // 512x PSCs are not 52xx PSCs compatible
+ // PSC0 serial port A aka ttyPSC0
+ [EMAIL PROTECTED] {
+ device_type = "serial";
+ compatible = "fsl,mpc5121-psc-uart";
+ // Logical port assignment needed until driver
+ // learns to use aliases
+ port-number = <0>;
+ cell-index = <0>;
+ reg = <0x11000 0x100>;
+ interrupts = <0x28 0x8>; // actually the fifo irq
+ interrupt-parent = < &ipic >;
+ };
+
+ // PSC1 serial port A aka ttyPSC1
+ [EMAIL PROTECTED] {
+ device_type = "serial";
+ compatible = "fsl,mpc5121-psc-uart";
+ // Logical port assignment needed until driver
+ // learns to use aliases
+ port-number = <1>;
+ cell-index = <1>;
+ reg = <0x11100 0x100>;
+ interrupts = <0x28 0x8>; // actually the fifo irq
+ interrupt-parent = < &ipic >;
+ };
+
+ // PSC2 serial port A aka ttyPSC2
+ [EMAIL PROTECTED] {
+ device_type = "serial";
+ compatible = "fsl,mpc5121-psc-uart";
+ // Logical port assignment needed until driver
+ // learns to use aliases
+ port-number = <2>;
+ cell-index = <2>;
+ reg = <0x11200 0x100>;
+ interrupts = <0x28 0x8>; // actually the fifo irq
+ interrupt-parent = < &ipic >;
+ };
+
+ // PSC3 serial port A aka ttyPSC3
+ [EMAIL PROTECTED] {
+ device_type = "serial";
+ compatible = "fsl,mpc5121-psc-uart";
+ // Logical port assignment needed until driver
+ // learns to use aliases
+ port-number = <3>;
+ cell-index = <3>;
+ reg = <0x11300 0x100>;
+ interrupts = <0x28 0x8>; // actually the fifo irq
+ interrupt-parent = < &ipic >;
+ };
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mpc5121-psc-fifo";
+ reg = <0x11f00 0x100>;
+ interrupts = <0x28 0x8>;
+ interrupt-parent = < &ipic >;
+ };
+
+ [EMAIL PROTECTED] {
+ device_type = "i2c";
+ compatible = "fsl-i2c";
+ reg = <0x1700 0x20>;
+ interrupts = <0x9 0x8>;
+ interrupt-parent = < &ipic >;
+ fsl5200-clocking;
+ };
+
+ [EMAIL PROTECTED] {
+ device_type = "i2c";
+ compatible = "fsl-i2c";
+ reg = <0x1720 0x20>;
+ interrupts = <0xa 0x8>;
+ interrupt-parent = < &ipic >;
+ fsl5200-clocking;
+ };
+
+ [EMAIL PROTECTED] {
+ device_type = "i2c";
+ compatible = "fsl-i2c";
+ reg = <0x1740 0x20>;
+ interrupts = <0xb 0x8>;
+ interrupt-parent = < &ipic >;
+ fsl5200-clocking;
+ };
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl-512x-i2c-ctrl";
+ reg = <0x1760 0x8>;
+ };
+
+ //[EMAIL PROTECTED] {
+ // compatible = "mpc512x-axe";
+ // reg = <2000 100>;
+ // interrupts = <2a 8>;
+ // interrupt-parent = < &ipic >;
+ //};
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl-diu";
+ reg = <0x2100 0x100>;
+ interrupts = <0x40 0x8>;
+ interrupt-parent = < &ipic >;
+ clk-name = "diu_clk";
+ clk-parent = "ips_clk";
+ clk-ctrl = <0x1 0x1f>; // sccr2 bit 31
+ };
+
+ [EMAIL PROTECTED] {
+ device_type = "mdio";
+ compatible = "fsl,mpc5121-fec-mdio";
+ reg = <0x2800 0x800>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy: [EMAIL PROTECTED] {
+ reg = <1>;
+ device_type = "ethernet-phy";
+ };
+ };
+
+ [EMAIL PROTECTED] {
+ device_type = "network";
+ compatible = "fsl,mpc5121-fec";
+ reg = <0x2800 0x800>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ interrupts = <0x4 0x8 >;
+ interrupt-parent = < &ipic >;
+ phy-handle = < &phy >;
+ };
+
+ // 5121e has two dr usb modules
+ // mpc5121_ads only uses port0
+
+ // port1 using extern ULPI PHY
+ [EMAIL PROTECTED] {
+ device_type = "usb";
+ compatible = "fsl-usb2-dr";
+ reg = <0x3000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupt-parent = < &ipic >;
+ interrupts = <0x2c 0x8>;
+ dr_mode = "otg";
+ phy_type = "ulpi";
+ port1;
+ };
+
+ // port0 using internal UTMI PHY
+ [EMAIL PROTECTED] {
+ device_type = "usb";
+ compatible = "fsl-usb2-dr";
+ reg = <0x4000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupt-parent = < &ipic >;
+ interrupts = <0x2b 0x8>;
+ dr_mode = "otg";
+ phy_type = "utmi";
+ port0;
+ };
+
+ // PSC4 in SPI mode (eg ADS touchscreen interface)
+ //[EMAIL PROTECTED] {
+ // device_type = "spi";
+ // compatible = "mpc512x-psc-spi";
+ // cell-index = <4>;
+ // reg = <11400 100>;
+ // interrupts = <20 8>;
+ // interrupt-parent = < &ipic >;
+ //};
+
+ // PSC5 in ac97 mode
+ // [EMAIL PROTECTED] {
+ // device_type = "sound";
+ // compatible = "mpc512x-psc-ac97";
+ // cell-index = <5>;
+ // reg = <11500 100>;
+ // interrupts = <21 8>; // FIXME
+ // interrupt-parent = < &ipic >;
+ //};
+
+ [EMAIL PROTECTED] {
+ compatible = "mpc512x-dma2";
+ reg = <0x14000 0x1800>;
+ interrupts = <0x41 0x8>;
+ interrupt-parent = < &ipic >;
+ };
+
+ [EMAIL PROTECTED] {
+ compatible = "mpc512x-sata";
+ reg = <0x20000 0x2000>;
+ interrupts = <0x2d 0x8 0x56 0x8>;
+ interrupt-parent = < &ipic >;
+ };
+ };
+};
diff --git a/arch/powerpc/platforms/512x/Kconfig
b/arch/powerpc/platforms/512x/Kconfig
index 4c0da0c..d8c72d6 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -17,3 +17,12 @@ config MPC5121_ADS
help
This option enables support for the MPC5121E ADS board.
default n
+
+config PRTLVT
+ bool "Protonic LVT family of MPC5121 based boards"
+ depends on PPC_MULTIPLATFORM && PPC32
+ select DEFAULT_UIMAGE
+ select PPC_MPC5121
+ help
+ This option enables support for the Protonic LVT family (ZANMCU and
VICVT2).
+ default n
diff --git a/arch/powerpc/platforms/512x/Makefile
b/arch/powerpc/platforms/512x/Makefile
index 232c89f..d0fe46e 100644
--- a/arch/powerpc/platforms/512x/Makefile
+++ b/arch/powerpc/platforms/512x/Makefile
@@ -2,3 +2,4 @@
# Makefile for the Freescale PowerPC 512x linux kernel.
#
obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o
+obj-$(CONFIG_PRTLVT) += prtlvt.o
diff --git a/arch/powerpc/platforms/512x/prtlvt.c
b/arch/powerpc/platforms/512x/prtlvt.c
new file mode 100644
index 0000000..225636b
--- /dev/null
+++ b/arch/powerpc/platforms/512x/prtlvt.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+ * Copyright (c) 2008 Protonic Holland
+ *
+ * Author: David Jander <[EMAIL PROTECTED]>, June 2008
+ * based on mpc5121_ads.c by John Rigby.
+ *
+ * Description:
+ * PRTLVT board support
+ *
+ * This 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/io.h>
+#include <linux/irq.h>
+#include <linux/of_platform.h>
+
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+
+/**
+ * mpc512x_find_ips_freq - Find the IPS bus frequency for a device
+ * @node: device node
+ *
+ * Returns IPS bus frequency, or 0 if the bus frequency cannot be found.
+ */
+unsigned long mpc512x_find_ips_freq(struct device_node *node)
+{
+ struct device_node *np;
+ const unsigned int *p_ips_freq = NULL;
+
+ of_node_get(node);
+ while (node) {
+ p_ips_freq = of_get_property(node, "bus-frequency", NULL);
+ if (p_ips_freq)
+ break;
+
+ np = of_get_parent(node);
+ of_node_put(node);
+ node = np;
+ }
+ if (node)
+ of_node_put(node);
+
+ return p_ips_freq ? *p_ips_freq : 0;
+}
+EXPORT_SYMBOL(mpc512x_find_ips_freq);
+
+static struct of_device_id __initdata of_bus_ids[] = {
+ { .name = "soc", },
+ { .name = "localbus", },
+ {},
+};
+
+static void __init mpc5121_prtlvt_declare_of_platform_devices(void)
+{
+ /* Find every child of the SOC node and add it to of_platform */
+ if (of_platform_bus_probe(NULL, of_bus_ids, NULL))
+ printk(KERN_ERR __FILE__ ": "
+ "Error while probing of_platform bus\n");
+}
+
+static void __init mpc5121_prtlvt_init_IRQ(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
+ if (!np)
+ return;
+
+ ipic_init(np, 0);
+ of_node_put(np);
+
+ /*
+ * Initialize the default interrupt mapping priorities,
+ * in case the boot rom changed something on us.
+ */
+ ipic_set_default_priority();
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc5121_prtlvt_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(root, "fsl,prtlvt");
+}
+
+define_machine(mpc5121_ads) {
+ .name = "Protonic LVT",
+ .probe = mpc5121_prtlvt_probe,
+ .init = mpc5121_prtlvt_declare_of_platform_devices,
+ .init_IRQ = mpc5121_prtlvt_init_IRQ,
+ .get_irq = ipic_get_irq,
+ .calibrate_decr = generic_calibrate_decr,
+};
--
1.5.4.3
_______________________________________________
Linuxppc-embedded mailing list
Linuxppc-embedded@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-embedded
