| Message ID | 20240901183422.31600-2-biju.das.jz@bp.renesas.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | Enable serial NOR flash on RZ/G2UL SMARC EVK | expand |
Hi Biju, On Sun, Sep 1, 2024 at 8:34 PM Biju Das <biju.das.jz@bp.renesas.com> wrote: > Enable Renesas at25ql128a flash connected to QSPI0. Also disable > the node from rzfive-smarc-som as it is untested. > > Tested the flash by flashing bootloaders: > flash_erase /dev/mtd0 0 0 > flash_erase /dev/mtd1 0 0 > mtd_debug write /dev/mtd0 0 ${BL2_FILE_SIZE} ${BL2_IMAGE} > mtd_debug write /dev/mtd1 512 ${FIP_FILE_SIZE} ${FIP_IMAGE} > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > --- > v3->v4: > * Updated commit description. > * Updated partition table. Thanks for the update! > --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi > +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi > @@ -201,6 +201,12 @@ irq { > }; > }; > > + qspi0_pins: qspi0 { > + pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3", > + "QSPI0_SPCLK", "QSPI0_SSL"; > + power-source = <1800>; > + }; > + > sdhi0_emmc_pins: sd0emmc { > sd0_emmc_data { > pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3", > @@ -252,6 +258,45 @@ sd0_mux_uhs { > }; > }; > > +&sbc { > + pinctrl-0 = <&qspi0_pins>; > + pinctrl-names = "default"; > + status = "okay"; > + > + flash@0 { > + compatible = "jedec,spi-nor"; > + reg = <0>; > + spi-max-frequency = <50000000>; > + spi-tx-bus-width = <4>; > + spi-rx-bus-width = <4>; > + > + spi-cpol; > + spi-cpha; > + m25p,fast-read; > + > + partitions { > + compatible = "fixed-partitions"; > + #address-cells = <1>; > + #size-cells = <1>; > + > + partition@0 { > + label = "bl2"; > + reg = <0x00000000 0x0001c000>; > + }; > + > + partition@1d000 { /* fip is at offset 0x200 */ Is this 4 KiB gap between the two partitions intentional? If yes, I think it deserves a comment. > + label = "fip"; > + reg = <0x0001d000 0x7e3000>; > + }; > + > + partition@800000 { > + label = "user"; > + reg = <0x800000 0x800000>; > + }; > + }; > + }; > +}; The rest LGTM. Gr{oetje,eeting}s, Geert
Hi Geert, Thanks for the feedback. > -----Original Message----- > From: Geert Uytterhoeven <geert@linux-m68k.org> > Sent: Friday, October 4, 2024 8:14 AM > Subject: Re: [PATCH v4 1/2] arm64: dts: renesas: rzg2ul-smarc-som: Enable serial NOR flash > > Hi Biju, > > On Sun, Sep 1, 2024 at 8:34 PM Biju Das <biju.das.jz@bp.renesas.com> wrote: > > Enable Renesas at25ql128a flash connected to QSPI0. Also disable the > > node from rzfive-smarc-som as it is untested. > > > > Tested the flash by flashing bootloaders: > > flash_erase /dev/mtd0 0 0 > > flash_erase /dev/mtd1 0 0 > > mtd_debug write /dev/mtd0 0 ${BL2_FILE_SIZE} ${BL2_IMAGE} mtd_debug > > write /dev/mtd1 512 ${FIP_FILE_SIZE} ${FIP_IMAGE} > > > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > > --- > > v3->v4: > > * Updated commit description. > > * Updated partition table. > > Thanks for the update! > > > --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi > > +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi > > @@ -201,6 +201,12 @@ irq { > > }; > > }; > > > > + qspi0_pins: qspi0 { > > + pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3", > > + "QSPI0_SPCLK", "QSPI0_SSL"; > > + power-source = <1800>; > > + }; > > + > > sdhi0_emmc_pins: sd0emmc { > > sd0_emmc_data { > > pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", > > "SD0_DATA3", @@ -252,6 +258,45 @@ sd0_mux_uhs { > > }; > > }; > > > > +&sbc { > > + pinctrl-0 = <&qspi0_pins>; > > + pinctrl-names = "default"; > > + status = "okay"; > > + > > + flash@0 { > > + compatible = "jedec,spi-nor"; > > + reg = <0>; > > + spi-max-frequency = <50000000>; > > + spi-tx-bus-width = <4>; > > + spi-rx-bus-width = <4>; > > + > > + spi-cpol; > > + spi-cpha; > > + m25p,fast-read; > > + > > + partitions { > > + compatible = "fixed-partitions"; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + > > + partition@0 { > > + label = "bl2"; > > + reg = <0x00000000 0x0001c000>; > > + }; > > + > > + partition@1d000 { /* fip is at offset 0x200 */ > > Is this 4 KiB gap between the two partitions intentional? No. I will fix the bl2 size as 0x0001d000. Cheers, Biju > If yes, I think it deserves a comment. > > > + label = "fip"; > > + reg = <0x0001d000 0x7e3000>; > > + }; > > + > > + partition@800000 { > > + label = "user"; > > + reg = <0x800000 0x800000>; > > + }; > > + }; > > + }; > > +}; > > The rest LGTM. > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But when I'm talking to > journalists I just say "programmer" or something like that. > -- Linus Torvalds
diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi index 79443fb3f581..14bafd187d0b 100644 --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi @@ -201,6 +201,12 @@ irq { }; }; + qspi0_pins: qspi0 { + pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3", + "QSPI0_SPCLK", "QSPI0_SSL"; + power-source = <1800>; + }; + sdhi0_emmc_pins: sd0emmc { sd0_emmc_data { pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3", @@ -252,6 +258,45 @@ sd0_mux_uhs { }; }; +&sbc { + pinctrl-0 = <&qspi0_pins>; + pinctrl-names = "default"; + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + spi-tx-bus-width = <4>; + spi-rx-bus-width = <4>; + + spi-cpol; + spi-cpha; + m25p,fast-read; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bl2"; + reg = <0x00000000 0x0001c000>; + }; + + partition@1d000 { /* fip is at offset 0x200 */ + label = "fip"; + reg = <0x0001d000 0x7e3000>; + }; + + partition@800000 { + label = "user"; + reg = <0x800000 0x800000>; + }; + }; + }; +}; + #if (SW_SW0_DEV_SEL) &sdhi0 { pinctrl-0 = <&sdhi0_emmc_pins>; diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi index 5e808242649e..86b2f15375ec 100644 --- a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi +++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi @@ -6,3 +6,7 @@ */ #include <arm64/renesas/rzg2ul-smarc-som.dtsi> + +&sbc { + status = "disabled"; +};
Enable Renesas at25ql128a flash connected to QSPI0. Also disable the node from rzfive-smarc-som as it is untested. Tested the flash by flashing bootloaders: flash_erase /dev/mtd0 0 0 flash_erase /dev/mtd1 0 0 mtd_debug write /dev/mtd0 0 ${BL2_FILE_SIZE} ${BL2_IMAGE} mtd_debug write /dev/mtd1 512 ${FIP_FILE_SIZE} ${FIP_IMAGE} Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- v3->v4: * Updated commit description. * Updated partition table. v2->v3: * Dropped subnodes, as all pins use the same power-source value. v1->v2: * Enabled 4-bit tx support --- .../boot/dts/renesas/rzg2ul-smarc-som.dtsi | 45 +++++++++++++++++++ .../boot/dts/renesas/rzfive-smarc-som.dtsi | 4 ++ 2 files changed, 49 insertions(+)