>
> I believe this because the kernel never scanned the DMA entries in the
device
> tree. This is why I said you need of_platform_bus_probe() with the
compatible
> field of the parent of the DMA controller node. Send me your device
tree.
>
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///
///
///////////////////////////////////////////////////////////////////////////////
/ {
model = "MPC8349EMITX";
compatible = "MPC8349EMITX", "MPC834xMITX", "MPC83xxMITX";
#address-cells = <1>;
#size-cells = <1>;
cpus {
#cpus = <1>;
#address-cells = <1>;
#size-cells = <0>;
PowerPC,8349 at 0 {
device_type = "cpu";
reg = <0>;
d-cache-line-size = <20>;
i-cache-line-size = <20>;
d-cache-size = <8000>;
i-cache-size = <8000>;
timebase-frequency = <0>; // from bootloader
bus-frequency = <0>; // from bootloader
clock-frequency = <0>; // from bootloader
32-bit;
};
};
memory {
device_type = "memory";
reg = <00000000 20000000>;
};
localbus at e0005000 {
#address-cells = <2>;
#size-cells = <1>;
compatible = "fsl,pq2pro-localbus";
reg = <e0005000 d8>;
ranges = <0 0 ff000000 01000000>;
flash at 0,0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "amd,s29g128n", "cfi-flash";
reg = <0 0 01000000>;
bank-width = <2>;
rcw at 0 {
reg = <0 20000>;
read-only;
};
rtl at 20000 {
reg = <20000 a0000>;
read-only;
};
kernel at c0000 {
reg = <c0000 180000>;
};
uboot at f00000 {
reg = <f00000 40000>;
};
uboot_env1 at f40000 {
reg = <f40000 20000>;
};
uboot_env2 at f60000 {
reg = <f60000 20000>;
};
device_tree at fe0000 {
reg = <fe0000 20000>;
};
};
};
soc8349 at e0000000 {
#address-cells = <1>;
#size-cells = <1>;
#interrupt-cells = <2>;
device_type = "soc";
ranges = <0 e0000000 00100000>;
reg = <e0000000 00000200>;
bus-frequency = <0>; // from bootloader
wdt at 200 {
device_type = "watchdog";
compatible = "mpc83xx_wdt";
reg = <200 100>;
};
i2c at 3000 {
device_type = "i2c";
compatible = "fsl-i2c";
reg = <3000 100>;
interrupts = <e 8>;
interrupt-parent = < &ipic >;
dfsrr;
rtc at 68 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "rtc";
compatible = "stm,m41t00";
reg = <68 8>;
};
};
i2c at 3100 {
device_type = "i2c";
compatible = "fsl-i2c";
reg = <3100 100>;
interrupts = <f 8>;
interrupt-parent = < &ipic >;
dfsrr;
};
spi at 7000 {
device_type = "spi";
compatible = "mpc83xx_spi";
reg = <7000 1000>;
interrupts = <10 8>;
interrupt-parent = < &ipic >;
mode = <0>;
};
dma at 82a8 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "fsl,mpc8349-dma", "fsl,elo-dma";
reg = <82a8 4>;
ranges = <0 8100 1a8>;
interrupt-parent = <&ipic>;
interrupts = <71 8>;
cell-index = <0>;
dma-channel at 0 {
compatible = "fsl,mpc8349-dma-channel",
"fsl,elo-dma-channel";
reg = <0 80>;
cell-index = <0>;
interrupt-parent = <&ipic>;
interrupts = <71 8>;
};
dma-channel at 80 {
compatible = "fsl,mpc8349-dma-channel",
"fsl,elo-dma-channel";
reg = <80 80>;
cell-index = <1>;
interrupt-parent = <&ipic>;
interrupts = <71 8>;
};
dma-channel at 100 {
compatible = "fsl,mpc8349-dma-channel",
"fsl,elo-dma-channel";
reg = <100 80>;
cell-index = <2>;
interrupt-parent = <&ipic>;
interrupts = <71 8>;
};
dma-channel at 180 {
compatible = "fsl,mpc8349-dma-channel",
"fsl,elo-dma-channel";
reg = <180 28>;
cell-index = <3>;
interrupt-parent = <&ipic>;
interrupts = <71 8>;
};
};
usb at 22000 {
device_type = "usb";
compatible = "fsl-usb2-mph";
reg = <22000 1000>;
#address-cells = <1>;
#size-cells = <0>;
interrupt-parent = < &ipic >;
interrupts = <27 8>;
phy_type = "ulpi";
// port0; // These are backwards in their meaning
because MPC834X_SICRL_USB0
port1; // and USB1 are wrongly defined in
arch/powerpc/platforms/83xx/mpc83xx.h
};
usb at 23000 {
device_type = "usb";
compatible = "fsl-usb2-dr";
dr_mode = "peripheral";
reg = <23000 1000>;
#address-cells = <1>;
#size-cells = <0>;
interrupt-parent = < &ipic >;
interrupts = <26 8>;
phy_type = "ulpi";
};
mdio at 24520 {
device_type = "mdio";
compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
#address-cells = <1>;
#size-cells = <0>;
/* Vitesse 8201 */
phy0: ethernet-phy at 1c {
interrupt-parent = < &ipic >;
interrupts = <12 8>;
reg = <0>;
device_type = "ethernet-phy";
};
/* Vitesse 7385 */
phy1: ethernet-phy at 1f {
interrupt-parent = < &ipic >;
interrupts = <12 8>;
reg = <1>;
device_type = "ethernet-phy";
};
};
ethernet at 24000 {
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <20 8 21 8 22 8>;
interrupt-parent = < &ipic >;
phy-handle = < &phy0 >;
};
ethernet at 25000 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <25000 1000>;
address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <23 8 24 8 25 8>;
interrupt-parent = < &ipic >;
phy-handle = < &phy1 >;
};
serial at 4500 {
device_type = "serial";
compatible = "ns16550";
reg = <4500 100>;
clock-frequency = <0>; // from bootloader
interrupts = <9 8>;
interrupt-parent = < &ipic >;
};
serial at 4600 {
device_type = "serial";
compatible = "ns16550";
reg = <4600 100>;
clock-frequency = <0>; // from bootloader
interrupts = <a 8>;
interrupt-parent = < &ipic >;
};
pci at 8500 {
interrupt-map-mask = <f800 0 0 7>;
interrupt-map = <
// IDSEL 0x12 - FPGA
9000 0 0 1 &ipic 15 8 // INTA -
UARTS
9000 0 0 2 &ipic 16 8 // INTB -
IRIG
// IDSEL 0x13 - PCI Enet
9800 0 0 1 &ipic 14 8 // INTA
// IDSEL 0x14 - PCI104 Slot 1
a000 0 0 1 &ipic 12 8 // INTA
a000 0 0 2 &ipic 13 8 // INTB
a000 0 0 3 &ipic 15 8 // INTC
a000 0 0 4 &ipic 16 8 // INTD
// IDSEL 0x15 - PCI104 Slot 2
a800 0 0 1 &ipic 13 8 // INTA
a800 0 0 2 &ipic 15 8 // INTB
a800 0 0 3 &ipic 16 8 // INTC
a800 0 0 4 &ipic 12 8 // INTD
// IDSEL 0x16 - PCI104 Slot 3
b000 0 0 1 &ipic 15 8 // INTA
b000 0 0 2 &ipic 16 8 // INTB
b000 0 0 3 &ipic 12 8 // INTC
b000 0 0 4 &ipic 13 8 // INTD
>;
interrupt-parent = < &ipic >;
interrupts = <42 8>;
bus-range = <0 0>;
ranges = <42000000 0 80000000 80000000 0 10000000
02000000 0 90000000 90000000 0 08000000
01000000 0 98000000 98000000 0
08000000>;
clock-frequency = <1f78a40>;
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
reg = <8500 100>;
// compatible = "83xx";
compatible = "fsl,mpc8349-pci";
device_type = "pci";
};
crypto at 30000 {
device_type = "crypto";
model = "SEC2";
compatible = "talitos";
reg = <30000 10000>;
interrupts = <b 8>;
interrupt-parent = < &ipic >;
num-channels = <4>;
channel-fifo-len = <18>;
exec-units-mask = <0000007e>;
descriptor-types-mask = <01010ebf>;
};
ipic: pic at 700 {
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <2>;
reg = <700 100>;
built-in;
device_type = "ipic";
};
};
};