mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-11 13:46:17 +09:00
e8d5291824
Commit286ede6("drivers: core: Add translation in live tree case") made dev_get_addr always use proper bus translations for addresses read from the device tree. But this leads to problems with certain busses, e.g. I2C busses, which run into an error during translation, and hence stop working. It turns out that of_translate_address() and fdt_translate_address() stop the address translation with an error when they're asked to translate addresses for busses where #size-cells == 0 (comment from drivers/core/of_addr.c): * Note: We consider that crossing any level with #size-cells == 0 to mean * that translation is impossible (that is we are not dealing with a value * that can be mapped to a cpu physical address). This is not really specified * that way, but this is traditionally the way IBM at least do things To fix this case, we check in both the live-tree and non-live tree-case, whether the bus of the device whose address is about to be translated has size-cell size zero. If this is the case, we just read the address as a plain integer and return it, and only apply bus translations if the size-cell size if greater than zero. Signed-off-by: Mario Six <mario.six@gdsys.cc> Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com> Reported-by: Martin Fuzzey <mfuzzey@parkeon.com> Fixes:286ede6("drivers: core: Add translation in live tree case") Reviewed-by: Simon Glass <sjg@chromium.org>
541 lines
9.4 KiB
Plaintext
541 lines
9.4 KiB
Plaintext
/dts-v1/;
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/ {
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model = "sandbox";
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compatible = "sandbox";
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#address-cells = <1>;
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#size-cells = <1>;
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aliases {
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console = &uart0;
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eth0 = "/eth@10002000";
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eth3 = ð_3;
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eth5 = ð_5;
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i2c0 = "/i2c@0";
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mmc0 = "/mmc0";
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mmc1 = "/mmc1";
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pci0 = &pci;
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remoteproc1 = &rproc_1;
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remoteproc2 = &rproc_2;
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rtc0 = &rtc_0;
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rtc1 = &rtc_1;
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spi0 = "/spi@0";
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testfdt6 = "/e-test";
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testbus3 = "/some-bus";
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testfdt0 = "/some-bus/c-test@0";
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testfdt1 = "/some-bus/c-test@1";
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testfdt3 = "/b-test";
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testfdt5 = "/some-bus/c-test@5";
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testfdt8 = "/a-test";
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fdt_dummy0 = "/translation-test@8000/dev@0,0";
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fdt_dummy1 = "/translation-test@8000/dev@1,100";
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fdt_dummy2 = "/translation-test@8000/dev@2,200";
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fdt_dummy3 = "/translation-test@8000/noxlatebus@3,300/dev@42";
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usb0 = &usb_0;
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usb1 = &usb_1;
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usb2 = &usb_2;
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};
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a-test {
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reg = <0 1>;
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compatible = "denx,u-boot-fdt-test";
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ping-expect = <0>;
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ping-add = <0>;
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u-boot,dm-pre-reloc;
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test-gpios = <&gpio_a 1>, <&gpio_a 4>, <&gpio_b 5 0 3 2 1>,
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<0>, <&gpio_a 12>;
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test2-gpios = <&gpio_a 1>, <&gpio_a 4>, <&gpio_b 6 1 3 2 1>,
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<&gpio_b 7 2 3 2 1>, <&gpio_b 8 4 3 2 1>,
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<&gpio_b 9 0xc 3 2 1>;
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};
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junk {
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reg = <1 1>;
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compatible = "not,compatible";
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};
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no-compatible {
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reg = <2 1>;
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};
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b-test {
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reg = <3 1>;
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compatible = "denx,u-boot-fdt-test";
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ping-expect = <3>;
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ping-add = <3>;
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};
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phy_provider0: gen_phy@0 {
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compatible = "sandbox,phy";
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#phy-cells = <1>;
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};
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phy_provider1: gen_phy@1 {
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compatible = "sandbox,phy";
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#phy-cells = <0>;
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broken;
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};
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gen_phy_user: gen_phy_user {
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compatible = "simple-bus";
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phys = <&phy_provider0 0>, <&phy_provider0 1>, <&phy_provider1>;
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phy-names = "phy1", "phy2", "phy3";
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};
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some-bus {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "denx,u-boot-test-bus";
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reg = <3 1>;
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ping-expect = <4>;
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ping-add = <4>;
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c-test@5 {
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compatible = "denx,u-boot-fdt-test";
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reg = <5>;
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ping-expect = <5>;
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ping-add = <5>;
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};
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c-test@0 {
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compatible = "denx,u-boot-fdt-test";
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reg = <0>;
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ping-expect = <6>;
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ping-add = <6>;
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};
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c-test@1 {
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compatible = "denx,u-boot-fdt-test";
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reg = <1>;
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ping-expect = <7>;
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ping-add = <7>;
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};
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};
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d-test {
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reg = <3 1>;
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ping-expect = <6>;
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ping-add = <6>;
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compatible = "google,another-fdt-test";
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};
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e-test {
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reg = <3 1>;
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ping-expect = <6>;
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ping-add = <6>;
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compatible = "google,another-fdt-test";
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};
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f-test {
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compatible = "denx,u-boot-fdt-test";
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};
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g-test {
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compatible = "denx,u-boot-fdt-test";
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};
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clocks {
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clk_fixed: clk-fixed {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <1234>;
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};
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};
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clk_sandbox: clk-sbox {
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compatible = "sandbox,clk";
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#clock-cells = <1>;
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};
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clk-test {
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compatible = "sandbox,clk-test";
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clocks = <&clk_fixed>,
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<&clk_sandbox 1>,
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<&clk_sandbox 0>;
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clock-names = "fixed", "i2c", "spi";
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};
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eth@10002000 {
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compatible = "sandbox,eth";
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reg = <0x10002000 0x1000>;
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fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x00>;
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};
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eth_5: eth@10003000 {
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compatible = "sandbox,eth";
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reg = <0x10003000 0x1000>;
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fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x11>;
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};
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eth_3: sbe5 {
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compatible = "sandbox,eth";
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reg = <0x10005000 0x1000>;
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fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x33>;
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};
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eth@10004000 {
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compatible = "sandbox,eth";
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reg = <0x10004000 0x1000>;
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fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x22>;
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};
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gpio_a: base-gpios {
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compatible = "sandbox,gpio";
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gpio-controller;
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#gpio-cells = <1>;
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gpio-bank-name = "a";
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sandbox,gpio-count = <20>;
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};
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gpio_b: extra-gpios {
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compatible = "sandbox,gpio";
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gpio-controller;
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#gpio-cells = <5>;
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gpio-bank-name = "b";
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sandbox,gpio-count = <10>;
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};
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i2c@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0 1>;
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compatible = "sandbox,i2c";
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clock-frequency = <100000>;
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eeprom@2c {
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reg = <0x2c>;
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compatible = "i2c-eeprom";
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emul {
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compatible = "sandbox,i2c-eeprom";
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sandbox,filename = "i2c.bin";
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sandbox,size = <256>;
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};
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};
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rtc_0: rtc@43 {
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reg = <0x43>;
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compatible = "sandbox-rtc";
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emul {
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compatible = "sandbox,i2c-rtc";
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};
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};
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rtc_1: rtc@61 {
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reg = <0x61>;
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compatible = "sandbox-rtc";
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emul {
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compatible = "sandbox,i2c-rtc";
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};
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};
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sandbox_pmic: sandbox_pmic {
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reg = <0x40>;
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};
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};
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adc@0 {
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compatible = "sandbox,adc";
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vdd-supply = <&buck2>;
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vss-microvolts = <0>;
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};
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lcd {
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u-boot,dm-pre-reloc;
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compatible = "sandbox,lcd-sdl";
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xres = <1366>;
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yres = <768>;
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};
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leds {
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compatible = "gpio-leds";
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iracibble {
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gpios = <&gpio_a 1 0>;
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label = "sandbox:red";
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};
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martinet {
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gpios = <&gpio_a 2 0>;
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label = "sandbox:green";
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};
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};
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mbox: mbox {
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compatible = "sandbox,mbox";
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#mbox-cells = <1>;
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};
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mbox-test {
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compatible = "sandbox,mbox-test";
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mboxes = <&mbox 100>, <&mbox 1>;
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mbox-names = "other", "test";
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};
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mmc2 {
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compatible = "sandbox,mmc";
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};
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mmc1 {
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compatible = "sandbox,mmc";
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};
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mmc0 {
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compatible = "sandbox,mmc";
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};
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pci: pci-controller {
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compatible = "sandbox,pci";
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device_type = "pci";
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#address-cells = <3>;
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#size-cells = <2>;
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ranges = <0x02000000 0 0x10000000 0x10000000 0 0x2000
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0x01000000 0 0x20000000 0x20000000 0 0x2000>;
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pci@1f,0 {
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compatible = "pci-generic";
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reg = <0xf800 0 0 0 0>;
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emul@1f,0 {
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compatible = "sandbox,swap-case";
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};
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};
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};
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probing {
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compatible = "simple-bus";
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test1 {
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compatible = "denx,u-boot-probe-test";
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};
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test2 {
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compatible = "denx,u-boot-probe-test";
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};
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test3 {
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compatible = "denx,u-boot-probe-test";
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};
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test4 {
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compatible = "denx,u-boot-probe-test";
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};
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};
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pwrdom: power-domain {
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compatible = "sandbox,power-domain";
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#power-domain-cells = <1>;
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};
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power-domain-test {
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compatible = "sandbox,power-domain-test";
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power-domains = <&pwrdom 2>;
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};
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pwm {
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compatible = "sandbox,pwm";
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};
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pwm2 {
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compatible = "sandbox,pwm";
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};
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ram {
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compatible = "sandbox,ram";
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};
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reset@0 {
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compatible = "sandbox,warm-reset";
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};
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reset@1 {
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compatible = "sandbox,reset";
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};
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resetc: reset-ctl {
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compatible = "sandbox,reset-ctl";
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#reset-cells = <1>;
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};
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reset-ctl-test {
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compatible = "sandbox,reset-ctl-test";
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resets = <&resetc 100>, <&resetc 2>;
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reset-names = "other", "test";
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};
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rproc_1: rproc@1 {
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compatible = "sandbox,test-processor";
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remoteproc-name = "remoteproc-test-dev1";
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};
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rproc_2: rproc@2 {
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compatible = "sandbox,test-processor";
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internal-memory-mapped;
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remoteproc-name = "remoteproc-test-dev2";
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};
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spi@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0 1>;
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compatible = "sandbox,spi";
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cs-gpios = <0>, <&gpio_a 0>;
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spi.bin@0 {
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reg = <0>;
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compatible = "spansion,m25p16", "spi-flash";
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spi-max-frequency = <40000000>;
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sandbox,filename = "spi.bin";
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};
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};
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syscon@0 {
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compatible = "sandbox,syscon0";
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reg = <0x10 4>;
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};
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syscon@1 {
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compatible = "sandbox,syscon1";
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reg = <0x20 5
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0x28 6
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0x30 7
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0x38 8>;
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};
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timer {
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compatible = "sandbox,timer";
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clock-frequency = <1000000>;
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};
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uart0: serial {
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compatible = "sandbox,serial";
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u-boot,dm-pre-reloc;
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};
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usb_0: usb@0 {
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compatible = "sandbox,usb";
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status = "disabled";
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hub {
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compatible = "sandbox,usb-hub";
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#address-cells = <1>;
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#size-cells = <0>;
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flash-stick {
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reg = <0>;
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compatible = "sandbox,usb-flash";
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};
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};
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};
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usb_1: usb@1 {
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compatible = "sandbox,usb";
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hub {
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compatible = "usb-hub";
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usb,device-class = <9>;
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hub-emul {
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compatible = "sandbox,usb-hub";
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#address-cells = <1>;
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#size-cells = <0>;
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flash-stick@0 {
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reg = <0>;
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compatible = "sandbox,usb-flash";
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sandbox,filepath = "testflash.bin";
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};
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flash-stick@1 {
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reg = <1>;
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compatible = "sandbox,usb-flash";
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sandbox,filepath = "testflash1.bin";
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};
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flash-stick@2 {
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reg = <2>;
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compatible = "sandbox,usb-flash";
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sandbox,filepath = "testflash2.bin";
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};
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keyb@3 {
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reg = <3>;
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compatible = "sandbox,usb-keyb";
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};
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};
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};
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};
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usb_2: usb@2 {
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compatible = "sandbox,usb";
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status = "disabled";
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};
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spmi: spmi@0 {
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compatible = "sandbox,spmi";
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#address-cells = <0x1>;
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#size-cells = <0x1>;
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pm8916@0 {
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compatible = "qcom,spmi-pmic";
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reg = <0x0 0x1>;
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#address-cells = <0x1>;
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#size-cells = <0x1>;
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spmi_gpios: gpios@c000 {
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compatible = "qcom,pm8916-gpio";
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reg = <0xc000 0x400>;
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gpio-controller;
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gpio-count = <4>;
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#gpio-cells = <2>;
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gpio-bank-name="spmi";
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};
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};
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};
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wdt0: wdt@0 {
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compatible = "sandbox,wdt";
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};
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chosen {
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#address-cells = <1>;
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#size-cells = <1>;
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chosen-test {
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compatible = "denx,u-boot-fdt-test";
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reg = <9 1>;
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};
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};
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translation-test@8000 {
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compatible = "simple-bus";
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reg = <0x8000 0x4000>;
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#address-cells = <0x2>;
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#size-cells = <0x1>;
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ranges = <0 0x0 0x8000 0x1000
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1 0x100 0x9000 0x1000
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2 0x200 0xA000 0x1000
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3 0x300 0xB000 0x1000
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>;
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dev@0,0 {
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compatible = "denx,u-boot-fdt-dummy";
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reg = <0 0x0 0x1000>;
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};
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dev@1,100 {
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compatible = "denx,u-boot-fdt-dummy";
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reg = <1 0x100 0x1000>;
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};
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dev@2,200 {
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compatible = "denx,u-boot-fdt-dummy";
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reg = <2 0x200 0x1000>;
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};
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noxlatebus@3,300 {
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compatible = "simple-bus";
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reg = <3 0x300 0x1000>;
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#address-cells = <0x1>;
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#size-cells = <0x0>;
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dev@42 {
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compatible = "denx,u-boot-fdt-dummy";
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reg = <0x42>;
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};
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};
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};
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};
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#include "sandbox_pmic.dtsi"
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