Include the at91sam9263ek.dts file from linux kernel v4.14-rc4 and wire it up in the build.
Prepare at91sam9263ek lowlevel_init.c to use DT. Signed-off-by: Sam Ravnborg <[email protected]> --- arch/arm/boards/at91sam9263ek/lowlevel_init.c | 22 ++- arch/arm/dts/Makefile | 2 +- arch/arm/dts/at91sam9263ek.dts | 246 ++++++++++++++++++++++++++ arch/arm/mach-at91/Kconfig | 7 + 4 files changed, 273 insertions(+), 4 deletions(-) create mode 100644 arch/arm/dts/at91sam9263ek.dts diff --git a/arch/arm/boards/at91sam9263ek/lowlevel_init.c b/arch/arm/boards/at91sam9263ek/lowlevel_init.c index 3138bc7ca..86d7a79e9 100644 --- a/arch/arm/boards/at91sam9263ek/lowlevel_init.c +++ b/arch/arm/boards/at91sam9263ek/lowlevel_init.c @@ -99,7 +99,7 @@ static void __bare_init at91sam9263ek_board_config(struct at91sam926x_board_cfg AT91_RSTC_RSTTYP_WATCHDOG; } -static void __bare_init at91sam9263ek_init(void) +static void __bare_init at91sam9263ek_init(void *fdt) { struct at91sam926x_board_cfg cfg; @@ -112,14 +112,30 @@ static void __bare_init at91sam9263ek_init(void) at91sam926x_board_init(&cfg); barebox_arm_entry(AT91_CHIPSELECT_1, at91_get_sdram_size(cfg.sdramc), - NULL); + fdt); } +#ifdef CONFIG_MACH_AT91SAM9263EK_DT +extern char __dtb_at91sam9263ek_start[]; + +ENTRY_FUNCTION(start_at91sam9263ek, r0, r1, r2) +{ + void *fdt; + + arm_cpu_lowlevel_init(); + + arm_setup_stack(AT91SAM9263_SRAM0_BASE + AT91SAM9263_SRAM0_SIZE - 16); + fdt = __dtb_at91sam9263ek_start - get_runtime_offset(); + + at91sam9263ek_init(fdt); +} +#else ENTRY_FUNCTION(start_at91sam9263ek, r0, r1, r2) { arm_cpu_lowlevel_init(); arm_setup_stack(AT91SAM9263_SRAM0_BASE + AT91SAM9263_SRAM0_SIZE - 16); - at91sam9263ek_init(); + at91sam9263ek_init(NULL); } +#endif diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 4f13d4e37..0526a6f40 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -104,7 +104,7 @@ pbl-dtb-$(CONFIG_MACH_ZII_VF610_DEV) += \ vf610-zii-cfu1-rev-a.dtb.o \ vf610-zii-spu3-rev-a.dtb.o \ vf610-zii-scu4-aib-rev-c.dtb.o - +pbl-dtb-$(CONFIG_MACH_AT91SAM9263EK_DT) += at91sam9263ek.dtb.o pbl-dtb-$(CONFIG_MACH_AT91SAM9X5EK) += at91sam9x5ek.dtb.o clean-files := *.dtb *.dtb.S .*.dtc .*.pre .*.dts *.dtb.lzo diff --git a/arch/arm/dts/at91sam9263ek.dts b/arch/arm/dts/at91sam9263ek.dts new file mode 100644 index 000000000..224748ecc --- /dev/null +++ b/arch/arm/dts/at91sam9263ek.dts @@ -0,0 +1,246 @@ +/* + * at91sam9263ek.dts - Device Tree file for Atmel at91sam9263 reference board + * + * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <[email protected]> + * + * Licensed under GPLv2 only + */ +/dts-v1/; +#include "arm/at91sam9263.dtsi" + +/ { + model = "Atmel at91sam9263ek"; + compatible = "atmel,at91sam9263ek", "atmel,at91sam9263", "atmel,at91sam9"; + + chosen { + bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0x20000000 0x4000000>; + }; + + clocks { + slow_xtal { + clock-frequency = <32768>; + }; + + main_xtal { + clock-frequency = <16367660>; + }; + }; + + ahb { + apb { + dbgu: serial@ffffee00 { + status = "okay"; + }; + + usart0: serial@fff8c000 { + pinctrl-0 = < + &pinctrl_usart0 + &pinctrl_usart0_rts + &pinctrl_usart0_cts>; + status = "okay"; + }; + + macb0: ethernet@fffbc000 { + phy-mode = "rmii"; + status = "okay"; + }; + + usb1: gadget@fff78000 { + atmel,vbus-gpio = <&pioA 25 GPIO_ACTIVE_HIGH>; + status = "okay"; + }; + + mmc0: mmc@fff80000 { + pinctrl-0 = < + &pinctrl_board_mmc0 + &pinctrl_mmc0_clk + &pinctrl_mmc0_slot0_cmd_dat0 + &pinctrl_mmc0_slot0_dat1_3>; + status = "okay"; + slot@0 { + reg = <0>; + bus-width = <4>; + cd-gpios = <&pioE 18 GPIO_ACTIVE_HIGH>; + wp-gpios = <&pioE 19 GPIO_ACTIVE_HIGH>; + }; + }; + + pinctrl@fffff200 { + mmc0 { + pinctrl_board_mmc0: mmc0-board { + atmel,pins = + <AT91_PIOE 18 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH /* PE18 gpio CD pin pull up and deglitch */ + AT91_PIOE 19 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PE19 gpio WP pin pull up */ + }; + }; + }; + + spi0: spi@fffa4000 { + status = "okay"; + cs-gpios = <&pioA 5 0>, <0>, <0>, <0>; + mtd_dataflash@0 { + compatible = "atmel,at45", "atmel,dataflash"; + spi-max-frequency = <50000000>; + reg = <0>; + }; + }; + + watchdog@fffffd40 { + status = "okay"; + }; + }; + + fb0: fb@0x00700000 { + display = <&display0>; + status = "okay"; + + display0: display { + bits-per-pixel = <16>; + atmel,lcdcon-backlight; + atmel,dmacon = <0x1>; + atmel,lcdcon2 = <0x80008002>; + atmel,guard-time = <1>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <4965000>; + hactive = <240>; + vactive = <320>; + hback-porch = <1>; + hfront-porch = <33>; + vback-porch = <1>; + vfront-porch = <0>; + hsync-len = <5>; + vsync-len = <1>; + hsync-active = <1>; + vsync-active = <1>; + }; + }; + }; + }; + + ebi0: ebi@10000000 { + status = "okay"; + + nand_controller: nand-controller { + status = "okay"; + pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>; + pinctrl-names = "default"; + + nand@3 { + reg = <0x3 0x0 0x800000>; + rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>; + cs-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>; + nand-bus-width = <8>; + nand-ecc-mode = "soft"; + nand-on-flash-bbt; + label = "atmel_nand"; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + at91bootstrap@0 { + label = "at91bootstrap"; + reg = <0x0 0x20000>; + }; + + barebox@20000 { + label = "barebox"; + reg = <0x20000 0x40000>; + }; + + bareboxenv@60000 { + label = "bareboxenv"; + reg = <0x60000 0x20000>; + }; + + bareboxenv2@80000 { + label = "bareboxenv2"; + reg = <0x80000 0x20000>; + }; + + oftree@80000 { + label = "oftree"; + reg = <0xa0000 0x20000>; + }; + + kernel@a0000 { + label = "kernel"; + reg = <0xc0000 0x400000>; + }; + + rootfs@4a0000 { + label = "rootfs"; + reg = <0x4c0000 0x7800000>; + }; + + data@7ca0000 { + label = "data"; + reg = <0x7cc0000 0x8340000>; + }; + }; + }; + }; + }; + + usb0: ohci@00a00000 { + num-ports = <2>; + status = "okay"; + atmel,vbus-gpio = <&pioA 24 GPIO_ACTIVE_HIGH + &pioA 21 GPIO_ACTIVE_HIGH + >; + }; + }; + + leds { + compatible = "gpio-leds"; + + d3 { + label = "d3"; + gpios = <&pioB 7 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + + d2 { + label = "d2"; + gpios = <&pioC 29 GPIO_ACTIVE_LOW>; + linux,default-trigger = "nand-disk"; + }; + }; + + gpio_keys { + compatible = "gpio-keys"; + + left_click { + label = "left_click"; + gpios = <&pioC 5 GPIO_ACTIVE_LOW>; + linux,code = <272>; + wakeup-source; + }; + + right_click { + label = "right_click"; + gpios = <&pioC 4 GPIO_ACTIVE_LOW>; + linux,code = <273>; + wakeup-source; + }; + }; + + i2c-gpio-0 { + status = "okay"; + + 24c512@50 { + compatible = "24c512"; + reg = <0x50>; + pagesize = <128>; + }; + }; +}; diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index f5160ade1..5e9c575cc 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -20,6 +20,13 @@ config COMMON_CLK_AT91 select COMMON_CLK select MFD_SYSCON +config MACH_AT91SAM9263EK_DT + def_bool y + depends on MACH_AT91SAM9263EK && OFDEVICE + help + Enabled for at91sam9263ek - evaluation kit. + But only if we need the device tree (bootstrap do not use DT) + config HAVE_AT91_SMD bool -- 2.12.0 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
