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Fri, 22 Apr 2022 01:09:14 -0700 (PDT) Received: from shc.milas.spb.ru ([188.243.217.78]) by smtp.gmail.com with ESMTPSA id t4-20020a2e9c44000000b0024ac62a66d9sm134727ljj.60.2022.04.22.01.09.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Apr 2022 01:09:13 -0700 (PDT) From: Alexander Shiyan To: barebox@lists.infradead.org Cc: Alexander Shiyan Date: Fri, 22 Apr 2022 11:09:10 +0300 Message-Id: <20220422080910.28023-1-eagle.alexander923@gmail.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220422_010916_722106_1B8C8FDF X-CRM114-Status: GOOD ( 22.03 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.7 required=4.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2] arm: boards: Add support for MYIR MYD-AM335X Development Board X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) The MYD-AM335X Development Board designed by MYIR is a high-performance ARM Evaluation Module (EVM) using the MYC-AM335X CPU module as the core controller board. It is based on up to 1GHz Texas Instruments (TI) Sitara AM335x family of ARM Cortex-A8 Microprocessors (MPUs) that deliver high DMIPs at a low cost while also delivering optional 3D graphics acceleration and key peripherals. Signed-off-by: Alexander Shiyan --- arch/arm/boards/Makefile | 1 + arch/arm/boards/myirtech-x335x/Makefile | 3 + arch/arm/boards/myirtech-x335x/board.c | 44 +++++++ .../defaultenv-myirtech-x335x/boot/nand | 4 + .../defaultenv-myirtech-x335x/nv/boot.default | 1 + arch/arm/boards/myirtech-x335x/lowlevel.c | 115 ++++++++++++++++++ arch/arm/configs/am335x_mlo_defconfig | 1 + arch/arm/configs/omap_defconfig | 3 +- arch/arm/dts/Makefile | 1 + arch/arm/dts/am335x-myirtech-myd.dts | 41 +++++++ arch/arm/mach-omap/Kconfig | 6 + .../arm/mach-omap/include/mach/am33xx-clock.h | 1 + .../mach-omap/include/mach/am33xx-silicon.h | 2 + images/Makefile.am33xx | 8 ++ 14 files changed, 230 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boards/myirtech-x335x/Makefile create mode 100644 arch/arm/boards/myirtech-x335x/board.c create mode 100644 arch/arm/boards/myirtech-x335x/defaultenv-myirtech-x335x/boot/nand create mode 100644 arch/arm/boards/myirtech-x335x/defaultenv-myirtech-x335x/nv/boot.default create mode 100644 arch/arm/boards/myirtech-x335x/lowlevel.c create mode 100644 arch/arm/dts/am335x-myirtech-myd.dts diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile index 75e15cbda4..d303999614 100644 --- a/arch/arm/boards/Makefile +++ b/arch/arm/boards/Makefile @@ -77,6 +77,7 @@ obj-$(CONFIG_MACH_MB7707) += module-mb7707/ obj-$(CONFIG_MACH_MIOA701) += mioa701/ obj-$(CONFIG_MACH_MX23EVK) += freescale-mx23-evk/ obj-$(CONFIG_MACH_MX28EVK) += freescale-mx28-evk/ +obj-$(CONFIG_MACH_MYIRTECH_X335X) += myirtech-x335x/ obj-$(CONFIG_MACH_NESO) += guf-neso/ obj-$(CONFIG_MACH_NETGEAR_RN104) += netgear-rn104/ obj-$(CONFIG_MACH_NETGEAR_RN2120) += netgear-rn2120/ diff --git a/arch/arm/boards/myirtech-x335x/Makefile b/arch/arm/boards/myirtech-x335x/Makefile new file mode 100644 index 0000000000..05d9fc7bc3 --- /dev/null +++ b/arch/arm/boards/myirtech-x335x/Makefile @@ -0,0 +1,3 @@ +lwl-y += lowlevel.o +obj-y += board.o +bbenv-$(CONFIG_DEFAULT_ENVIRONMENT) += defaultenv-myirtech-x335x diff --git a/arch/arm/boards/myirtech-x335x/board.c b/arch/arm/boards/myirtech-x335x/board.c new file mode 100644 index 0000000000..7fb2af1cec --- /dev/null +++ b/arch/arm/boards/myirtech-x335x/board.c @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* SPDX-FileCopyrightText: Alexander Shiyan */ + +#include +#include +#include +#include +#include +#include +#include + +static struct omap_barebox_part myir_barebox_part = { + .nand_offset = SZ_512K, + .nand_size = SZ_512K, +}; + +static __init int myir_devices_init(void) +{ + if (!of_machine_is_compatible("myir,myc-am335x")) + return 0; + + am33xx_register_ethaddr(0, 0); + am33xx_register_ethaddr(1, 1); + + switch (bootsource_get()) { + case BOOTSOURCE_MMC: + omap_set_bootmmc_devname("mmc0"); + break; + case BOOTSOURCE_NAND: + omap_set_barebox_part(&myir_barebox_part); + break; + default: + break; + } + + if (IS_ENABLED(CONFIG_DEFAULT_ENVIRONMENT)) + defaultenv_append_directory(defaultenv_myirtech_x335x); + + if (IS_ENABLED(CONFIG_SHELL_NONE)) + return am33xx_of_register_bootdevice(); + + return 0; +} +coredevice_initcall(myir_devices_init); diff --git a/arch/arm/boards/myirtech-x335x/defaultenv-myirtech-x335x/boot/nand b/arch/arm/boards/myirtech-x335x/defaultenv-myirtech-x335x/boot/nand new file mode 100644 index 0000000000..c000041095 --- /dev/null +++ b/arch/arm/boards/myirtech-x335x/defaultenv-myirtech-x335x/boot/nand @@ -0,0 +1,4 @@ +#!/bin/sh + +global.bootm.image="/dev/nand0.system.ubi.kernel" +global.linux.bootargs.dyn.root="ubi.mtd=system ubi.block=0,root root=fe00 ro" diff --git a/arch/arm/boards/myirtech-x335x/defaultenv-myirtech-x335x/nv/boot.default b/arch/arm/boards/myirtech-x335x/defaultenv-myirtech-x335x/nv/boot.default new file mode 100644 index 0000000000..026a25cc7e --- /dev/null +++ b/arch/arm/boards/myirtech-x335x/defaultenv-myirtech-x335x/nv/boot.default @@ -0,0 +1 @@ +nand diff --git a/arch/arm/boards/myirtech-x335x/lowlevel.c b/arch/arm/boards/myirtech-x335x/lowlevel.c new file mode 100644 index 0000000000..9afae90b33 --- /dev/null +++ b/arch/arm/boards/myirtech-x335x/lowlevel.c @@ -0,0 +1,115 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* SPDX-FileCopyrightText: Alexander Shiyan */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define AM335X_ZCZ_1000 0x1c2f + +static const struct am33xx_ddr_data ddr3_data = { + .rd_slave_ratio0 = 0x38, + .wr_dqs_slave_ratio0 = 0x44, + .fifo_we_slave_ratio0 = 0x94, + .wr_slave_ratio0 = 0x7d, + .use_rank0_delay = 0x01, + .dll_lock_diff0 = 0x00, +}; + +static const struct am33xx_cmd_control ddr3_cmd_ctrl = { + .slave_ratio0 = 0x80, + .dll_lock_diff0 = 0x01, + .invert_clkout0 = 0x00, + .slave_ratio1 = 0x80, + .dll_lock_diff1 = 0x01, + .invert_clkout1 = 0x00, + .slave_ratio2 = 0x80, + .dll_lock_diff2 = 0x01, + .invert_clkout2 = 0x00, +}; + +/* CPU module contains 512MB (2*256MB) DDR3 SDRAM (2*128MB compatible), + * so we configure EMIF for 512MB then detect real size of memory. + */ +static const struct am33xx_emif_regs ddr3_regs = { + .emif_read_latency = 0x00100007, + .emif_tim1 = 0x0aaad4db, + .emif_tim2 = 0x266b7fda, + .emif_tim3 = 0x501f867f, + .zq_config = 0x50074be4, + .sdram_config = 0x61c05332, + .sdram_config2 = 0x00, + .sdram_ref_ctrl = 0xc30, +}; + +extern char __dtb_z_am335x_myirtech_myd_start[]; + +ENTRY_FUNCTION(start_am33xx_myirtech_sram, bootinfo, r1, r2) +{ + int mpupll; + void *fdt; + + am33xx_save_bootinfo((void *)bootinfo); + + arm_cpu_lowlevel_init(); + + relocate_to_current_adr(); + setup_c(); + + fdt = __dtb_z_am335x_myirtech_myd_start; + + /* WDT1 is already running when the bootloader gets control + * Disable it to avoid "random" resets + */ + __raw_writel(WDT_DISABLE_CODE1, AM33XX_WDT_REG(WSPR)); + while (__raw_readl(AM33XX_WDT_REG(WWPS)) != 0x0); + __raw_writel(WDT_DISABLE_CODE2, AM33XX_WDT_REG(WSPR)); + while (__raw_readl(AM33XX_WDT_REG(WWPS)) != 0x0); + + mpupll = MPUPLL_M_800; + if (am33xx_get_cpu_rev() == AM335X_ES2_1) { + u32 deviceid = readl(AM33XX_EFUSE_SMA) & 0x1fff; + if (deviceid == AM335X_ZCZ_1000) + mpupll = MPUPLL_M_1000; + } + + am33xx_pll_init(mpupll, DDRPLL_M_400); + + am335x_sdram_init(0x18b, &ddr3_cmd_ctrl, &ddr3_regs, &ddr3_data); + + if (IS_ENABLED(CONFIG_DEBUG_LL)) { + am33xx_uart_soft_reset((void *)AM33XX_UART0_BASE); + am33xx_enable_uart0_pin_mux(); + omap_uart_lowlevel_init((void *)AM33XX_UART0_BASE); + putc_ll('>'); + } + + barebox_arm_entry(AM33XX_DRAM_ADDR_SPACE_START, SZ_256M, fdt); +} + +ENTRY_FUNCTION(start_am33xx_myirtech_sdram, r0, r1, r2) +{ + void *fdt; + u32 sdram_size; + + fdt = __dtb_z_am335x_myirtech_myd_start; + + fdt += get_runtime_offset(); + + /* Detect 256M/512M module variant */ + __raw_writel(SZ_512M, AM33XX_DRAM_ADDR_SPACE_START + SZ_256M); + __raw_writel(SZ_256M, AM33XX_DRAM_ADDR_SPACE_START + 0); + sdram_size = __raw_readl(AM33XX_DRAM_ADDR_SPACE_START + SZ_256M); + + barebox_arm_entry(AM33XX_DRAM_ADDR_SPACE_START, sdram_size, fdt); +} diff --git a/arch/arm/configs/am335x_mlo_defconfig b/arch/arm/configs/am335x_mlo_defconfig index 51d238db3e..83bb20e4b5 100644 --- a/arch/arm/configs/am335x_mlo_defconfig +++ b/arch/arm/configs/am335x_mlo_defconfig @@ -5,6 +5,7 @@ CONFIG_OMAP_SERIALBOOT=y CONFIG_OMAP_MULTI_BOARDS=y CONFIG_MACH_AFI_GF=y CONFIG_MACH_BEAGLEBONE=y +CONFIG_MACH_MYIRTECH_X335X=y CONFIG_MACH_PHYTEC_SOM_AM335X=y CONFIG_THUMB2_BAREBOX=y # CONFIG_MEMINFO is not set diff --git a/arch/arm/configs/omap_defconfig b/arch/arm/configs/omap_defconfig index 59892cb231..ae4d1a67da 100644 --- a/arch/arm/configs/omap_defconfig +++ b/arch/arm/configs/omap_defconfig @@ -6,6 +6,7 @@ CONFIG_OMAP_MULTI_BOARDS=y CONFIG_MACH_AFI_GF=y CONFIG_MACH_BEAGLE=y CONFIG_MACH_BEAGLEBONE=y +CONFIG_MACH_MYIRTECH_X335X=y CONFIG_MACH_PHYTEC_SOM_AM335X=y CONFIG_MACH_VSCOM_BALTOS=y CONFIG_MACH_WAGO_PFC_AM35XX=y @@ -46,6 +47,7 @@ CONFIG_CMD_GO=y CONFIG_CMD_LOADB=y CONFIG_CMD_RESET=y CONFIG_CMD_UIMAGE=y +CONFIG_CMD_BOOTCHOOSER=y CONFIG_CMD_PARTITION=y CONFIG_CMD_UBIFORMAT=y CONFIG_CMD_EXPORT=y @@ -93,7 +95,6 @@ CONFIG_CMD_OF_FIXUP_STATUS=y CONFIG_CMD_OFTREE=y CONFIG_CMD_TIME=y CONFIG_CMD_STATE=y -CONFIG_CMD_BOOTCHOOSER=y CONFIG_NET=y CONFIG_NET_NFS=y CONFIG_NET_NETCONSOLE=y diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 925ac12aa5..619354fcb6 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -40,6 +40,7 @@ lwl-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += armada-xp-gp-bb.dtb.o lwl-$(CONFIG_MACH_MARVELL_ARMADA_XP_DB) += armada-xp-db-bb.dtb.o lwl-$(CONFIG_MACH_MB7707) += module-mb7707.dtb.o lwl-$(CONFIG_MACH_MX28EVK) += imx28-evk.dtb.o +lwl-$(CONFIG_MACH_MYIRTECH_X335X) += am335x-myirtech-myd.dtb.o lwl-$(CONFIG_MACH_NETGEAR_RN104) += armada-370-rn104-bb.dtb.o lwl-$(CONFIG_MACH_NETGEAR_RN2120) += armada-xp-rn2120-bb.dtb.o lwl-$(CONFIG_MACH_NITROGEN6) += imx6q-nitrogen6x.dtb.o imx6dl-nitrogen6x.dtb.o imx6qp-nitrogen6_max.dtb.o diff --git a/arch/arm/dts/am335x-myirtech-myd.dts b/arch/arm/dts/am335x-myirtech-myd.dts new file mode 100644 index 0000000000..9baf3d516d --- /dev/null +++ b/arch/arm/dts/am335x-myirtech-myd.dts @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* SPDX-FileCopyrightText: Alexander Shiyan, */ + +/dts-v1/; + +#include + +/ { + chosen { + environment { + compatible = "barebox,environment"; + device-path = &env_nand; + }; + }; + +}; + +&nand0 { + /delete-node/ partition@0; + /delete-node/ partition@20000; + + partition@0 { + label = "MLO"; + reg = <0x00000 0x80000>; + }; + + partition@80000 { + label = "boot"; + reg = <0x80000 0x80000>; + }; + + env_nand: partition@100000 { + label = "env"; + reg = <0x100000 0x40000>; + }; + + partition@140000 { + label = "system"; + reg = <0x140000 0>; + }; +}; diff --git a/arch/arm/mach-omap/Kconfig b/arch/arm/mach-omap/Kconfig index 220b635167..f0e035e31e 100644 --- a/arch/arm/mach-omap/Kconfig +++ b/arch/arm/mach-omap/Kconfig @@ -168,6 +168,12 @@ config MACH_BEAGLEBONE help Say Y here if you are using Beagle Bone +config MACH_MYIRTECH_X335X + bool "MYIR Tech Limited SOMs" + select ARCH_AM33XX + help + Say Y here if you are using a TI AM335X based MYIR SOM + config MACH_PHYTEC_SOM_AM335X bool "Phytec AM335X SOMs" select ARCH_AM33XX diff --git a/arch/arm/mach-omap/include/mach/am33xx-clock.h b/arch/arm/mach-omap/include/mach/am33xx-clock.h index 3c2143d600..b0293db990 100644 --- a/arch/arm/mach-omap/include/mach/am33xx-clock.h +++ b/arch/arm/mach-omap/include/mach/am33xx-clock.h @@ -25,6 +25,7 @@ #define MPUPLL_M_600 600 /* 125 * n */ #define MPUPLL_M_720 720 /* 125 * n */ #define MPUPLL_M_800 800 +#define MPUPLL_M_1000 1000 #define MPUPLL_M2 1 diff --git a/arch/arm/mach-omap/include/mach/am33xx-silicon.h b/arch/arm/mach-omap/include/mach/am33xx-silicon.h index 0729369255..0467dac03b 100644 --- a/arch/arm/mach-omap/include/mach/am33xx-silicon.h +++ b/arch/arm/mach-omap/include/mach/am33xx-silicon.h @@ -201,6 +201,8 @@ #define AM33XX_MAC_ID1_HI (AM33XX_CTRL_BASE + 0x63c) #define AM33XX_MAC_MII_SEL (AM33XX_CTRL_BASE + 0x650) +#define AM33XX_EFUSE_SMA (AM33XX_CTRL_BASE + 0x7fc) + struct am33xx_cmd_control { u32 slave_ratio0; u32 dll_lock_diff0; diff --git a/images/Makefile.am33xx b/images/Makefile.am33xx index add676117c..a63def771e 100644 --- a/images/Makefile.am33xx +++ b/images/Makefile.am33xx @@ -26,6 +26,14 @@ FILE_barebox-am33xx-afi-gf-mlo.spi.img = start_am33xx_afi_gf_sram.pblb.mlospi am33xx-mlo-$(CONFIG_MACH_AFI_GF) += barebox-am33xx-afi-gf-mlo.img am33xx-mlospi-$(CONFIG_MACH_AFI_GF) += barebox-am33xx-afi-gf-mlo.spi.img +pblb-$(CONFIG_MACH_MYIRTECH_X335X) += start_am33xx_myirtech_sdram +FILE_barebox-am33xx-myirtech.img = start_am33xx_myirtech_sdram.pblb +am33xx-barebox-$(CONFIG_MACH_MYIRTECH_X335X) += barebox-am33xx-myirtech.img + +pblb-$(CONFIG_MACH_MYIRTECH_X335X) += start_am33xx_myirtech_sram +FILE_barebox-am33xx-myirtech-mlo.img = start_am33xx_myirtech_sram.pblb.mlo +am33xx-mlo-$(CONFIG_MACH_MYIRTECH_X335X) += barebox-am33xx-myirtech-mlo.img + pblb-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += start_am33xx_phytec_phycore_nand_sdram FILE_barebox-am33xx-phytec-phycore.img = start_am33xx_phytec_phycore_nand_sdram.pblb am33xx-barebox-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += barebox-am33xx-phytec-phycore.img -- 2.32.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox