[PATCH] TurboStation support (Properly)
Kumar Gala
galak at kernel.crashing.org
Thu May 10 00:18:18 EST 2007
On May 8, 2007, at 4:56 PM, Øyvind Repvik wrote:
> On Sunday 06 May 2007 14:46:05 Øyvind Repvik wrote:
>> Hi,
>>
>> This patch adds support for the QNAP TurboStation TS-101 and
>> TS-201 devices.
>
> Of course, it probably helps if my mail client doesn't break the
> patch completely.
Comments below.
Out of interesting, what's the difference between the TS-101 and TS-201?
>
>
> Signed-off-by: Øyvind Repvik <nail at nslu2-linux.org>
> Signed-off-by: Alessandro Zummo <a.zummo at towertech.it>
>
> --- linux-2.6.21.1/arch/powerpc/boot/dts/qnap-ts101.dts 1970-01-01
> 01:00:00.000000000 +0100
> +++ linux-2.6.21.1.ts/arch/powerpc/boot/dts/qnap-ts101.dts
> 2007-05-03 22:44:59.000000000 +0200
> @@ -0,0 +1,166 @@
> +/*
> + * Device Tree Souce for QNAP Turbostation 101/201
> + *
> + * Choose CONFIG_TURBOSTATION to build a kernel for turbostation
> + *
> + *
> + * Based on kuroboxHD.dts by G. Liakhovetski
> + *
> + * 2007 (c) Oyvind Repvik <nail at nslu2-linux.org>
> + *
> + * This file is licensed under
> + * the terms of the GNU General Public License version 2. This
> program
> + * is licensed "as is" without any warranty of any kind, whether
> express
> + * or implied.
> + *
> + * build with: "dtc -f -I dts -O dtb -o qnap-ts101.dtb -V 16 qnap-
> ts101.dts"
> + *
> + *
> + */
> +
> +/ {
> + linux,phandle = <1000>;
> + model = "TurboStation TSx01";
> + compatible = "turbostation";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + cpus {
> + linux,phandle = <2000>;
Can you removal all linux,phandle's and use the new reference syntax.
> + #cpus = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + PowerPC,603e { /* Really 8241 */
> + linux,phandle = <2100>;
> + device_type = "cpu";
> + reg = <0>;
> + clock-frequency = <fdad680>; /* 266 MHz */
> + timebase-frequency = <1fca055>; /* 33.3333333 MHz */
> + bus-frequency = <0>;
> + /* Following required by dtc but not used */
> + i-cache-line-size = <0>;
> + d-cache-line-size = <0>;
No reason not to set the line-size properly to <20>
> + i-cache-size = <4000>;
> + d-cache-size = <4000>;
> + };
> + };
> +
> + /* 64MB @ 0x0 */
> + memory {
> + linux,phandle = <3000>;
> + device_type = "memory";
> + reg = <00000000 04000000>;
> + };
> +
> + flash at ff000000 {
> + linux,phandle = <3100>;
> + device_type = "rom";
> + compatible = "direct-mapped";
> + probe-type = "CFI";
> + reg = <ff000000 01000000>;
> + bank-width = <1>;
> + partitions = <
> + 00000000 00200000
> + 00200000 00d00000
> + 00f00000 00040001
> + 00f40000 00020000
> + 00f60000 00040000
> + 00fa0000 00020000
> + 00fc0000 00040000
> + >;
> + partition-names = "kernel\0rootfs\0uboot1\0uboot1-env\0uboot2
> \0uboot2-env\0SysConf";
> + };
> +
> +
> + soc10x { /* AFAICT need to make soc for 8245's uarts to be
> defined */
> + linux,phandle = <4000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + #interrupt-cells = <2>;
> + device_type = "soc";
> + compatible = "mpc10x";
> + store-gathering = <0>; /* 0 == off, !0 == on */
> + reg = <80000000 00100000>;
> + ranges = <80000000 80000000 70000000 /* pci mem space */
> + fc000000 fc000000 00100000 /* EUMB */
> + fe000000 fe000000 00c00000 /* pci i/o space */
> + fec00000 fec00000 00300000 /* pci cfg regs */
> + fef00000 fef00000 00100000>; /* pci iack */
> +
> + i2c at fc003000 {
> + linux,phandle = <4300>;
> + device_type = "i2c";
> + compatible = "fsl-i2c";
> + reg = <fc003000 1000>;
> + interrupts = <5 2>;
> + interrupt-parent = <4400>;
> + };
> +
> + serial at fc004500 {
> + linux,phandle = <4511>;
> + device_type = "serial";
> + compatible = "ns16550";
> + reg = <fc004500 8>;
> + clock-frequency = <7ed6b40>; /* 133 MHz */
> + current-speed = <1c200>; /* 115200 */
> + interrupts = <9 2>;
> + interrupt-parent = <4400>;
> + };
> +
> + serial at fc004600 {
> + linux,phandle = <4512>;
> + device_type = "serial";
> + compatible = "ns16550";
> + reg = <fc004600 8>;
> + clock-frequency = <7ed6b40>;
> + current-speed = <4b00>; /* 19200 */
> + interrupts = <a 2>;
> + interrupt-parent = <4400>;
> + };
> +
> + pic at fc040000 {
> + linux,phandle = <4400>;
> + #interrupt-cells = <2>;
> + #address-cells = <0>;
> + device_type = "open-pic";
> + compatible = "chrp,open-pic";
> + interrupt-controller;
> + reg = <fc040000 40000>;
> + built-in;
> + };
> +
> + pci at fe800000 {
> + linux,phandle = <4500>;
> + #address-cells = <3>;
> + #size-cells = <2>;
> + #interrupt-cells = <1>;
> + device_type = "pci";
> + compatible = "mpc10x-pci";
> + reg = <fc000000 400000>;
> + ranges = <01000000 0 0 fe000000 0 00c00000
> + 02000000 0 80000000 80000000 0 70000000>;
> + bus-range = <0 ff>;
> + clock-frequency = <7ed6b40>; /* 133 MHz */
> + interrupt-parent = <4400>;
> + interrupt-map-mask = <f800 0 0 7>;
> + interrupt-map = <
> + /* IDSEL 0x13 - SATA*/
> + 6800 0 0 1 4400 0 1
> + 6800 0 0 2 4400 0 1
> + 6800 0 0 3 4400 0 1
> + 6800 0 0 4 4400 0 1
> + /* IDSEL 0x14 - USB */
> + 7000 0 0 1 4400 1 1
> + 7000 0 0 2 4400 1 1
> + 7000 0 0 3 4400 1 1
> + 7000 0 0 4 4400 1 1
> + /* IDSEL 0x15 - ETH */
> + 7800 0 0 1 4400 2 1
> + 7800 0 0 2 4400 2 1
> + 7800 0 0 3 4400 2 1
> + 7800 0 0 4 4400 2 1
> + >;
> + };
> + };
> +};
> Binary files linux-2.6.21.1/arch/powerpc/boot/dts/storcenter.dtb
> and linux-2.6.21.1.ts/arch/powerpc/boot/dts/storcenter.dtb differ
> --- linux-2.6.21.1/arch/powerpc/platforms/embedded6xx/Kconfig
> 2007-04-27 23:49:26.000000000 +0200
> +++ linux-2.6.21.1.ts/arch/powerpc/platforms/embedded6xx/Kconfig
> 2007-05-06 14:31:55.000000000 +0200
> @@ -87,6 +87,13 @@
> Linkstation-I HD-HLAN and HD-HGLAN versions, and PPC-based
> Terastation systems should be supported too.
>
> +config TURBOSTATION
> + bool "QNap TS-101/TS-102 TurboStation"
> + select MPIC
> + select FSL_SOC
> + select PPC_UDBG_16550 if SERIAL_8250
> + select DEFAULT_UIMAGE
> +
> config MPC7448HPC2
> bool "Freescale MPC7448HPC2(Taiga)"
> select TSI108_BRIDGE
> @@ -200,7 +207,7 @@
> depends on SANDPOINT || SPRUCE || PPLUS || \
> PRPMC750 || PRPMC800 || LOPEC || \
> (EV64260 && !SERIAL_MPSC) || CHESTNUT || RADSTONE_PPC7D || \
> - 83xx || LINKSTATION
> + 83xx || LINKSTATION || TURBOSTATION
> default y
>
> config FORCE
> @@ -274,13 +281,15 @@
>
> config MPC10X_BRIDGE
> bool
> - depends on POWERPMC250 || LOPEC || SANDPOINT || LINKSTATION
> + depends on POWERPMC250 || LOPEC || SANDPOINT || LINKSTATION || \
> + TURBOSTATION
> select PPC_INDIRECT_PCI
> default y
>
> config MPC10X_OPENPIC
> bool
> - depends on POWERPMC250 || LOPEC || SANDPOINT || LINKSTATION
> + depends on POWERPMC250 || LOPEC || SANDPOINT || LINKSTATION || \
> + TURBOSTATION
> default y
>
> config MPC10X_STORE_GATHERING
> --- linux-2.6.21.1/arch/powerpc/platforms/embedded6xx/Makefile
> 2007-04-27 23:49:26.000000000 +0200
> +++ linux-2.6.21.1.ts/arch/powerpc/platforms/embedded6xx/Makefile
> 2007-05-06 14:30:58.000000000 +0200
> @@ -3,3 +3,4 @@
> #
> obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o
> obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o
> +obj-$(CONFIG_TURBOSTATION) += turbostation.o
> --- linux-2.6.21.1/arch/powerpc/platforms/embedded6xx/
> turbostation.c 1970-01-01 01:00:00.000000000 +0100
> +++ linux-2.6.21.1.ts/arch/powerpc/platforms/embedded6xx/
> turbostation.c 2007-05-03 22:45:03.000000000 +0200
> @@ -0,0 +1,141 @@
> +/*
> + * Board setup routines for the QNAP Turbostation platform (TS-101/
> TS-201)
> + *
> + * Copyright (C) 2007 Oyvind Repvik (nail at nslu2-linux.org)
> + *
> + * Based on linkstation.c by G. Liakhovetski
> + *
> + * This file is licensed under the terms of the GNU General Public
> License
> + * version 2. This program is licensed "as is" without any
> warranty of
> + * any kind, whether express or implied.
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/pci.h>
> +#include <linux/initrd.h>
> +#include <linux/mtd/physmap.h>
> +
> +#include <asm/time.h>
> +#include <asm/prom.h>
> +#include <asm/mpic.h>
> +#include <asm/mpc10x.h>
> +#include <asm/pci-bridge.h>
> +
> +static int __init add_bridge(struct device_node *dev)
> +{
> + int len;
> + struct pci_controller *hose;
> + int *bus_range;
> +
> + printk("Adding PCI host bridge %s\n", dev->full_name);
> +
> + bus_range = (int *) get_property(dev, "bus-range", &len);
> + if (bus_range == NULL || len < 2 * sizeof(int))
> + printk(KERN_WARNING "Can't get bus-range for %s, assume"
> + " bus 0\n", dev->full_name);
> +
> + hose = pcibios_alloc_controller();
> + if (hose == NULL)
> + return -ENOMEM;
> + hose->first_busno = bus_range ? bus_range[0] : 0;
> + hose->last_busno = bus_range ? bus_range[1] : 0xff;
> + hose->arch_data = dev;
> + setup_indirect_pci(hose, 0xfec00000, 0xfee00000);
> +
> + /* Interpret the "ranges" property */
> + /* This also maps the I/O region and sets isa_io/mem_base */
> + pci_process_bridge_OF_ranges(hose, dev, 1);
> +
> + return 0;
> +}
> +
> +static void __init turbostation_setup_arch(void)
> +{
> + struct device_node *np;
> +
> + /* Lookup PCI host bridges */
> + for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
> + add_bridge(np);
> +
> + printk(KERN_INFO "QNAP Turbostation series\n");
> +}
> +
> +/*
> + * Interrupt setup and service. Interrrupts on the turbostation come
> + * from the four PCI slots plus onboard 8241 devices: I2C, DUART.
> + */
> +static void __init turbostation_init_IRQ(void)
> +{
> + struct mpic *mpic;
> + struct device_node *dnp;
> + void *prop;
> + int size;
> + phys_addr_t paddr;
> +
> + dnp = of_find_node_by_type(NULL, "open-pic");
> + if (dnp == NULL)
> + return;
> +
> + prop = (struct device_node *)get_property(dnp, "reg", &size);
> + paddr = (phys_addr_t)of_translate_address(dnp, prop);
> +
> + mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET,
> + 4, 32, " EPIC ");
> + BUG_ON(mpic == NULL);
> +
> + /* PCI IRQs */
> + mpic_assign_isu(mpic, 0, paddr + 0x10200);
> +
> + /* I2C */
> + mpic_assign_isu(mpic, 1, paddr + 0x11000);
> +
> + /* ttyS0, ttyS1 */
> + mpic_assign_isu(mpic, 2, paddr + 0x11100);
> +
> + mpic_init(mpic);
> +}
> +
> +static void turbostation_restart(char *cmd)
> +{
> + /* Insert restart-stuff */
> +}
> +
> +static void turbostation_power_off(void)
> +{
> + /* Insert powerdown-stuff */
> +}
> +
> +static void turbostation_halt(void)
> +{
> + turbostation_power_off();
> +}
> +
> +static void turbostation_show_cpuinfo(struct seq_file *m)
> +{
> + seq_printf(m, "vendor\t\t: QNAP Systems Inc.\n");
> + seq_printf(m, "machine\t\t: Turbostation TS-101/TS-201\n");
> +}
> +
> +static int __init turbostation_probe(void)
> +{
> + unsigned long root;
> +
> + root = of_get_flat_dt_root();
> +
> + if (!of_flat_dt_is_compatible(root, "turbostation"))
> + return 0;
> + return 1;
> +}
> +
> +define_machine(turbostation){
> + .name = "QNAP Turbostation",
> + .probe = turbostation_probe,
> + .setup_arch = turbostation_setup_arch,
> + .init_IRQ = turbostation_init_IRQ,
> + .show_cpuinfo = turbostation_show_cpuinfo,
> + .get_irq = mpic_get_irq,
> + .restart = turbostation_restart,
> + .power_off = turbostation_power_off,
> + .halt = turbostation_halt,
> + .calibrate_decr = generic_calibrate_decr,
> +};
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