Message ID | c3a01a8de924d6a3fcdb1ee0284544ad2ea5c8ec.1665583435.git.geert+renesas@glider.be (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | arm64: dts: renesas: r8a779g0/white-hawk: Add RPC and QSPI FLASH support | expand |
On Wed, Oct 12, 2022 at 04:06:51PM +0200, Geert Uytterhoeven wrote: > From: Hai Pham <hai.pham.ud@renesas.com> > > Describe the QSPI FLASH on the White Hawk CPU board. > > Signed-off-by: Hai Pham <hai.pham.ud@renesas.com> > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Looks good, but I can't really review the partition sizes. However, Geert is very good and careful with hex values :)
Hi Wolfram, On Thu, Oct 13, 2022 at 2:19 PM Wolfram Sang <wsa+renesas@sang-engineering.com> wrote: > On Wed, Oct 12, 2022 at 04:06:51PM +0200, Geert Uytterhoeven wrote: > > From: Hai Pham <hai.pham.ud@renesas.com> > > > > Describe the QSPI FLASH on the White Hawk CPU board. > > > > Signed-off-by: Hai Pham <hai.pham.ud@renesas.com> > > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> > > Looks good, but I can't really review the partition sizes. However, Actually I just kept the partition sizes from the BSP. As the second partition on my board is still empty, all I could verify is that the first partition is sufficiently large to hold the boot loader (ca. 9 MiB). Note that the boot partition on Falcon is smaller. > Geert is very good and careful with hex values :) "i" (from iprint) is your friend... 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/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi index b306e5a10794dfb5..bb4dd08781ca275d 100644 --- a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi @@ -232,12 +232,45 @@ mmc_pins: mmc { power-source = <1800>; }; + qspi0_pins: qspi0 { + groups = "qspi0_ctrl", "qspi0_data4"; + function = "qspi0"; + }; + scif_clk_pins: scif_clk { groups = "scif_clk"; function = "scif_clk"; }; }; +&rpc { + pinctrl-0 = <&qspi0_pins>; + pinctrl-names = "default"; + + status = "okay"; + + flash@0 { + compatible = "spansion,s25fs512s", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <40000000>; + spi-rx-bus-width = <4>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + boot@0 { + reg = <0x0 0x1200000>; + read-only; + }; + user@1200000 { + reg = <0x1200000 0x2e00000>; + }; + }; + }; +}; + &scif_clk { clock-frequency = <24000000>; };