On Wed, Mar 05, 2025 at 03:02:25PM +0100, Bastian Krause wrote: > Hi Jonas, > > On 3/4/25 5:24 PM, Jonas Rebmann wrote: > > This patch adds support for the phyBOARD-Segin i.MX 93 and the phyCORE > > i.MX 93 SoM it is based upon. > > > > Note that support is only provided for the standard configuration > > featuring 1GB RAM as testing was only possible on that variant and only > > the single-configuration lpddr4_timing.c as initially committed to > > u-boot in 7c1f8ce3956 worked. > > > > The 1GB configuration from later revisions results in a freeze during > > dram setup. > > > > The following functionality has been tested: > > - barebox starts via imxusbloader, tftp and emmc > > - both ethertnet interfaces work > > - barebox_update to emmc > > - boot kernel via network > > - USB OTG > > - USB mass storage on USB Host Port > > - reset > > > > Signed-off-by: Jonas Rebmann <jre@xxxxxxxxxxxxxx> > > --- > > arch/arm/boards/Makefile | 1 + > > arch/arm/boards/phytec-phycore-imx93/Makefile | 2 + > > arch/arm/boards/phytec-phycore-imx93/board.c | 56 + > > arch/arm/boards/phytec-phycore-imx93/lowlevel.c | 60 + > > .../boards/phytec-phycore-imx93/lpddr4_timing.c | 1546 ++++++++++++++++++++ > > arch/arm/configs/imx_v8_defconfig | 1 + > > arch/arm/configs/multi_v8_defconfig | 1 + > > arch/arm/dts/Makefile | 1 + > > arch/arm/dts/imx93-phyboard-segin-downstream.dtsi | 269 ++++ > > arch/arm/dts/imx93-phyboard-segin.dts | 28 + > > arch/arm/mach-imx/Kconfig | 9 + > > images/Makefile.imx | 4 + > > 12 files changed, 1978 insertions(+) > > > > diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile > > index c6104d04329774655712db5aaf6df671fd74142e..1e67b304f1855df2c32305638c3d9029ed0994c6 100644 > > --- a/arch/arm/boards/Makefile > > +++ b/arch/arm/boards/Makefile > > @@ -78,6 +78,7 @@ obj-$(CONFIG_MACH_PCM038) += phytec-phycore-imx27/ > > obj-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += phytec-som-am335x/ > > obj-$(CONFIG_MACH_PHYTEC_SOM_IMX6) += phytec-som-imx6/ > > obj-$(CONFIG_MACH_PHYTEC_PHYCORE_IMX7) += phytec-phycore-imx7/ > > +obj-$(CONFIG_MACH_PHYTEC_PHYCORE_IMX93) += phytec-phycore-imx93/ > > obj-$(CONFIG_MACH_PHYTEC_PHYCORE_STM32MP1) += phytec-phycore-stm32mp1/ > > obj-$(CONFIG_MACH_PHYTEC_SOM_IMX8MM) += phytec-som-imx8mm/ > > obj-$(CONFIG_MACH_PHYTEC_SOM_IMX8MQ) += phytec-som-imx8mq/ > > diff --git a/arch/arm/boards/phytec-phycore-imx93/Makefile b/arch/arm/boards/phytec-phycore-imx93/Makefile > > new file mode 100644 > > index 0000000000000000000000000000000000000000..ae29bb9249e62cb649e21e580559383fa9d18386 > > --- /dev/null > > +++ b/arch/arm/boards/phytec-phycore-imx93/Makefile > > @@ -0,0 +1,2 @@ > > +lwl-y += lowlevel.o lpddr4_timing.o > > +obj-y += board.o > > diff --git a/arch/arm/boards/phytec-phycore-imx93/board.c b/arch/arm/boards/phytec-phycore-imx93/board.c > > new file mode 100644 > > index 0000000000000000000000000000000000000000..149248ca654624826d0e8f6fe0f1f42c2747e248 > > --- /dev/null > > +++ b/arch/arm/boards/phytec-phycore-imx93/board.c > > @@ -0,0 +1,56 @@ > > +// SPDX-License-Identifier: GPL-2.0 > > + > > +#define pr_fmt(fmt) "phyCORE imx93: " fmt > > + > > +#include <common.h> > > +#include <init.h> > > +#include <linux/kernel.h> > > +#include <environment.h> > > +#include <mfd/pca9450.h> > > +#include <deep-probe.h> > > +#include <mach/imx/bbu.h> > > +#include <linux/pinctrl/consumer.h> > > + > > +static void phycore_imx93_init_pmic(struct regmap *map) > > +{ > > + /* set WDOG_B_CFG to cold reset */ > > + regmap_write(map, PCA9450_RESET_CTRL, 0xA1); > > +} > > + > > +static int phycore_imx93_probe(struct device *dev) > > +{ > > + struct device_node *np; > > + > > + pca9450_register_init_callback(phycore_imx93_init_pmic); > > + > > + /* > > + * The phy on the EQOS has its MDIO lines connected to the FEC. The phy > > + * registers can only be successfully read when the EQOS pinctrl setup > > + * has been done. The phys on the FEC MDIO bus are probed during the > > + * FEC driver probe, so do the EQOS pinctrl setup here to make sure it's > > + * done before the FEC probes. > > + */ > > + np = of_find_compatible_node(dev->of_node, NULL, "nxp,imx93-dwmac-eqos"); > > + BUG_ON(!np); > > + of_pinctrl_select_state_default(np); > > + > > + imx9_bbu_internal_mmcboot_register_handler("eMMC", "/dev/mmc0", 0); > > + > > + return 0; > > +} > > + > > +static const struct of_device_id phycore_imx93_of_match[] = { > > + { > > + .compatible = "phytec,imx93-phyboard-segin", > > + }, > > + { /* sentinel */ }, > > +}; > > + > > +static struct driver phycore_imx93_board_driver = { > > + .name = "board-phycore_imx93", > > + .probe = phycore_imx93_probe, > > + .of_compatible = phycore_imx93_of_match, > > +}; > > +coredevice_platform_driver(phycore_imx93_board_driver); > > + > > +BAREBOX_DEEP_PROBE_ENABLE(phycore_imx93_of_match); > > diff --git a/arch/arm/boards/phytec-phycore-imx93/lowlevel.c b/arch/arm/boards/phytec-phycore-imx93/lowlevel.c > > new file mode 100644 > > index 0000000000000000000000000000000000000000..7678d2f2633ea07e532684f999b62ddecc2b79dc > > --- /dev/null > > +++ b/arch/arm/boards/phytec-phycore-imx93/lowlevel.c > > @@ -0,0 +1,60 @@ > > +// SPDX-License-Identifier: GPL-2.0 > > + > > +#include <common.h> > > +#include <debug_ll.h> > > +#include <mach/imx/debug_ll.h> > > +#include <mach/imx/generic.h> > > +#include <mach/imx/xload.h> > > +#include <asm/barebox-arm.h> > > +#include <soc/imx9/ddr.h> > > +#include <mach/imx/atf.h> > > +#include <mach/imx/xload.h> > > +#include <mach/imx/romapi.h> > > This shouldn't be needed. Dropped a few includes while applying. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |