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| author | Lucas Stach <dev@lynxeye.de> | 2019-12-18 23:43:49 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-20 16:10:51 +0100 |
| commit | b53e8d86c00eed24574ba57ff87f3af5ed7aa816 (patch) | |
| tree | 6664ed5a3a8f8bd51bfef98dffe6255b3732f8c9 | |
| parent | 7423f1e0c0d7aaefa8808aebd3f3b1728045114b (diff) | |
| download | barebox-b53e8d86c00eed24574ba57ff87f3af5ed7aa816.tar.gz barebox-b53e8d86c00eed24574ba57ff87f3af5ed7aa816.tar.xz | |
ARM: zynq: zed: add QSPI flash support
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/boards/avnet-zedboard/lowlevel.c | 9 | ||||
| -rw-r--r-- | arch/arm/dts/zynq-zed.dts | 18 |
2 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/boards/avnet-zedboard/lowlevel.c b/arch/arm/boards/avnet-zedboard/lowlevel.c index 9b90ef112b..58f9e40d11 100644 --- a/arch/arm/boards/avnet-zedboard/lowlevel.c +++ b/arch/arm/boards/avnet-zedboard/lowlevel.c @@ -241,9 +241,18 @@ static void avnet_zedboard_ps7_init(void) /* UART1 pinmux */ writel(0x000002E1, ZYNQ_MIO_BASE + 0xC8); writel(0x000002E0, ZYNQ_MIO_BASE + 0xCC); + /* QSPI pinmux */ + writel(0x00001602, ZYNQ_MIO_BASE + 0x04); + writel(0x00000702, ZYNQ_MIO_BASE + 0x08); + writel(0x00000702, ZYNQ_MIO_BASE + 0x0c); + writel(0x00000702, ZYNQ_MIO_BASE + 0x10); + writel(0x00000702, ZYNQ_MIO_BASE + 0x14); + writel(0x00000702, ZYNQ_MIO_BASE + 0x18); + writel(0x00000602, ZYNQ_MIO_BASE + 0x20); /* poor mans clkctrl */ writel(0x00001403, ZYNQ_CLOCK_CTRL_BASE + ZYNQ_UART_CLK_CTRL); + writel(0x00000101, ZYNQ_CLOCK_CTRL_BASE + ZYNQ_LQSPI_CLK_CTRL); /* GEM0 */ writel(0x00000001, 0xf8000138); diff --git a/arch/arm/dts/zynq-zed.dts b/arch/arm/dts/zynq-zed.dts index 52d6833249..a6b1da854b 100644 --- a/arch/arm/dts/zynq-zed.dts +++ b/arch/arm/dts/zynq-zed.dts @@ -1,7 +1,25 @@ #include <arm/zynq-zed.dts> +#include "zynq-7000.dtsi" / { chosen { stdout-path = &uart1; }; }; + +&qspi { + status = "okay"; + num-cs = <1>; + + qspi_flash: flash@0 { + compatible = "spansion,s25fl256s1", "jedec,spi-nor"; + reg = <0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + spi-max-frequency = <50000000>; + m25p,fast-read; + + #address-cells = <1>; + #size-cells = <1>; + }; +}; |