From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ezIIz-0002e5-KI for barebox@lists.infradead.org; Fri, 23 Mar 2018 08:44:21 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1ezIIk-0006L8-UO for barebox@lists.infradead.org; Fri, 23 Mar 2018 09:43:54 +0100 Received: from mgr by dude.hi.pengutronix.de with local (Exim 4.90_1) (envelope-from ) id 1ezIIk-0006rG-LV for barebox@lists.infradead.org; Fri, 23 Mar 2018 09:43:54 +0100 From: Michael Grzeschik Date: Fri, 23 Mar 2018 09:43:50 +0100 Message-Id: <20180323084352.20931-3-m.grzeschik@pengutronix.de> In-Reply-To: <20180323084352.20931-1-m.grzeschik@pengutronix.de> References: <20180323084352.20931-1-m.grzeschik@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/4] i.MX53/TX53: rework to dts based boot To: barebox@lists.infradead.org Since nobody likes to use platformcode based machines any more, we also switch this one to use dts based booting. Signed-off-by: Michael Grzeschik --- arch/arm/Makefile | 2 - arch/arm/boards/karo-tx53/board.c | 222 +++++------------------------------ arch/arm/boards/karo-tx53/lowlevel.c | 56 +++++++-- arch/arm/configs/imx_v7_defconfig | 1 + arch/arm/dts/Makefile | 1 + arch/arm/dts/imx53-tx53-1011.dts | 13 ++ arch/arm/dts/imx53-tx53-xx30.dts | 13 ++ arch/arm/mach-imx/Kconfig | 25 +--- images/Makefile.imx | 10 ++ 9 files changed, 119 insertions(+), 224 deletions(-) create mode 100644 arch/arm/dts/imx53-tx53-1011.dts create mode 100644 arch/arm/dts/imx53-tx53-xx30.dts diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 620a3ccb0b..070a9903f2 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -254,8 +254,6 @@ imxcfg-$(CONFIG_MACH_EUKREA_CPUIMX25) += $(boarddir)/eukrea_cpuimx25/flash-heade imxcfg-$(CONFIG_MACH_EUKREA_CPUIMX35) += $(boarddir)/eukrea_cpuimx35/flash-header.imxcfg imxcfg-$(CONFIG_MACH_PCM043) += $(boarddir)/phytec-phycore-imx35/flash-header.imxcfg imxcfg-$(CONFIG_MACH_KINDLE3) += $(boarddir)/kindle3/flash-header.imxcfg -imxcfg-$(CONFIG_TX53_REV_1011) += $(boarddir)/karo-tx53/flash-header-tx53-rev1011.imxcfg -imxcfg-$(CONFIG_TX53_REV_XX30) += $(boarddir)/karo-tx53/flash-header-tx53-revxx30.imxcfg ifneq ($(imxcfg-y),) CFG_barebox.imximg := $(imxcfg-y) KBUILD_IMAGE := barebox.imximg diff --git a/arch/arm/boards/karo-tx53/board.c b/arch/arm/boards/karo-tx53/board.c index 51b534d01f..9f1485ad0b 100644 --- a/arch/arm/boards/karo-tx53/board.c +++ b/arch/arm/boards/karo-tx53/board.c @@ -41,223 +41,55 @@ #include #include -static struct fec_platform_data fec_info = { - .xcv_type = PHY_INTERFACE_MODE_RMII, -}; - -static iomux_v3_cfg_t tx53_pads[] = { - /* UART1 */ - MX53_PAD_PATA_DIOW__UART1_TXD_MUX, - MX53_PAD_PATA_DMACK__UART1_RXD_MUX, - - MX53_PAD_PATA_DMARQ__UART2_TXD_MUX, - MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX, - - MX53_PAD_PATA_CS_0__UART3_TXD_MUX, - MX53_PAD_PATA_CS_1__UART3_RXD_MUX, - - /* setup FEC PHY pins for GPIO function */ - MX53_PAD_FEC_REF_CLK__GPIO1_23, - MX53_PAD_FEC_MDC__GPIO1_31, - MX53_PAD_FEC_MDIO__GPIO1_22, - MX53_PAD_FEC_RXD0__GPIO1_27, - MX53_PAD_FEC_RXD1__GPIO1_26, - MX53_PAD_FEC_RX_ER__GPIO1_24, - MX53_PAD_FEC_TX_EN__GPIO1_28, - MX53_PAD_FEC_TXD0__GPIO1_30, - MX53_PAD_FEC_TXD1__GPIO1_29, - MX53_PAD_FEC_CRS_DV__GPIO1_25, - - /* FEC PHY reset */ - MX53_PAD_PATA_DA_0__GPIO7_6, - /* FEC PHY power */ - MX53_PAD_EIM_D20__GPIO3_20, - - /* SD1 */ - MX53_PAD_SD1_CMD__ESDHC1_CMD, - MX53_PAD_SD1_CLK__ESDHC1_CLK, - MX53_PAD_SD1_DATA0__ESDHC1_DAT0, - MX53_PAD_SD1_DATA1__ESDHC1_DAT1, - MX53_PAD_SD1_DATA2__ESDHC1_DAT2, - MX53_PAD_SD1_DATA3__ESDHC1_DAT3, - - /* SD1_CD */ - MX53_PAD_EIM_D24__GPIO3_24, - - MX53_PAD_GPIO_3__I2C3_SCL, - MX53_PAD_GPIO_6__I2C3_SDA, - - MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12, - MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13, - MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14, - MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15, - MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16, - MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17, - MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18, - MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19, - MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC, - MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC, - MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK, -}; - -#define TX53_SD1_CD IMX_GPIO_NR(3, 24) - -static struct esdhc_platform_data tx53_sd1_data = { - .cd_gpio = TX53_SD1_CD, - .cd_type = ESDHC_CD_GPIO, - .wp_type = ESDHC_WP_NONE, - .caps = MMC_CAP_4_BIT_DATA, -}; - -struct imx_nand_platform_data nand_info = { - .width = 1, - .hw_ecc = 1, - .flash_bbt = 1, -}; - -#define FEC_POWER_GPIO IMX_GPIO_NR(3, 20) -#define FEC_RESET_GPIO IMX_GPIO_NR(7, 6) - -static struct tx53_fec_gpio_setup { - iomux_v3_cfg_t pad; - unsigned gpio:9, - dir:1, - level:1; -} tx53_fec_gpios[] = { - { MX53_PAD_PATA_DA_0__GPIO7_6, FEC_RESET_GPIO, 1, 0, }, /* PHY reset */ - { MX53_PAD_EIM_D20__GPIO3_20, FEC_POWER_GPIO, 1, 1, }, /* PHY power enable */ - { MX53_PAD_FEC_REF_CLK__GPIO1_23, IMX_GPIO_NR(1, 23), 0, }, /* ENET_CLK */ - { MX53_PAD_FEC_MDC__GPIO1_31, IMX_GPIO_NR(1, 31), 1, 0, }, /* MDC */ - { MX53_PAD_FEC_MDIO__GPIO1_22, IMX_GPIO_NR(1, 22), 1, 0, }, /* MDIO */ - { MX53_PAD_FEC_RXD0__GPIO1_27, IMX_GPIO_NR(1, 27), 1, 1, }, /* Mode0/RXD0 */ - { MX53_PAD_FEC_RXD1__GPIO1_26, IMX_GPIO_NR(1, 26), 1, 1, }, /* Mode1/RXD1 */ - { MX53_PAD_FEC_RX_ER__GPIO1_24, IMX_GPIO_NR(1, 24), 0, }, /* RX_ER */ - { MX53_PAD_FEC_TX_EN__GPIO1_28, IMX_GPIO_NR(1, 28), 1, 0, }, /* TX_EN */ - { MX53_PAD_FEC_TXD0__GPIO1_30, IMX_GPIO_NR(1, 30), 1, 0, }, /* TXD0 */ - { MX53_PAD_FEC_TXD1__GPIO1_29, IMX_GPIO_NR(1, 29), 1, 0, }, /* TXD1 */ - { MX53_PAD_FEC_CRS_DV__GPIO1_25, IMX_GPIO_NR(1, 25), 1, 1, }, /* Mode2/CRS_DV */ -}; - -static iomux_v3_cfg_t tx53_fec_pads[] = { - MX53_PAD_FEC_REF_CLK__FEC_TX_CLK, - MX53_PAD_FEC_MDC__FEC_MDC, - MX53_PAD_FEC_MDIO__FEC_MDIO, - MX53_PAD_FEC_RXD0__FEC_RDATA_0, - MX53_PAD_FEC_RXD1__FEC_RDATA_1, - MX53_PAD_FEC_RX_ER__FEC_RX_ER, - MX53_PAD_FEC_TX_EN__FEC_TX_EN, - MX53_PAD_FEC_TXD0__FEC_TDATA_0, - MX53_PAD_FEC_TXD1__FEC_TDATA_1, - MX53_PAD_FEC_CRS_DV__FEC_RX_DV, -}; - -static inline void tx53_fec_init(void) -{ - int i; - - /* Configure LAN8700 pads as GPIO and set up - * necessary strap options for PHY - */ - for (i = 0; i < ARRAY_SIZE(tx53_fec_gpios); i++) { - struct tx53_fec_gpio_setup *gs = &tx53_fec_gpios[i]; - - if (gs->dir) - gpio_direction_output(gs->gpio, gs->level); - else - gpio_direction_input(gs->gpio); - - mxc_iomux_v3_setup_pad(gs->pad); - } - - /* - *Turn on phy power, leave in reset state - */ - gpio_set_value(FEC_POWER_GPIO, 1); - - /* - * Wait some time to let the phy activate the internal regulator - */ - mdelay(10); - - /* - * Deassert reset, phy latches the rest of bootstrap pins - */ - gpio_set_value(FEC_RESET_GPIO, 1); - - /* LAN7800 has an internal Power On Reset (POR) signal (OR'ed with - * the external RESET signal) which is deactivated 21ms after - * power on and latches the strap options. - * Delay for 22ms to ensure, that the internal POR is inactive - * before reconfiguring the strap pins. - */ - mdelay(22); - - /* - * The phy is ready, now configure imx51 pads for fec operation - */ - mxc_iomux_v3_setup_multiple_pads(tx53_fec_pads, - ARRAY_SIZE(tx53_fec_pads)); -} - static int tx53_devices_init(void) { - imx53_iim_register_fec_ethaddr(); - tx53_fec_init(); - imx53_add_fec(&fec_info); - imx53_add_mmc0(&tx53_sd1_data); - imx53_add_nand(&nand_info); - - armlinux_set_architecture(MACH_TYPE_TX53); - - /* rev xx30 can boot from nand or USB */ - imx53_bbu_internal_nand_register_handler("nand-xx30", - BBU_HANDLER_FLAG_DEFAULT, SZ_512K); - - /* rev 1011 can boot from MMC/SD, other bootsource currently unknown */ - imx53_bbu_internal_mmc_register_handler("mmc-1011", "/dev/disk0", 0); + const char *envdev; + uint32_t flag_nand = 0; + uint32_t flag_mmc = 0; - return 0; -} + if (!of_machine_is_compatible("karo,tx53")) + return 0; -device_initcall(tx53_devices_init); - -static int tx53_part_init(void) -{ - const char *envdev; + barebox_set_model("Ka-Ro TX53"); + barebox_set_hostname("tx53"); switch (bootsource_get()) { case BOOTSOURCE_MMC: - devfs_add_partition("disk0", 0x00000, SZ_512K, DEVFS_PARTITION_FIXED, "self0"); - devfs_add_partition("disk0", SZ_512K, SZ_1M, DEVFS_PARTITION_FIXED, "env0"); + devfs_add_partition("mmc0", 0x00000, SZ_512K, + DEVFS_PARTITION_FIXED, "self0"); + devfs_add_partition("mmc0", SZ_512K, SZ_1M, + DEVFS_PARTITION_FIXED, "env0"); envdev = "MMC"; + flag_mmc |= BBU_HANDLER_FLAG_DEFAULT; break; case BOOTSOURCE_NAND: default: - devfs_add_partition("nand0", 0x00000, 0x80000, DEVFS_PARTITION_FIXED, "self_raw"); + devfs_add_partition("nand0", 0x00000, 0x80000, + DEVFS_PARTITION_FIXED, "self_raw"); dev_add_bb_dev("self_raw", "self0"); - devfs_add_partition("nand0", 0x80000, 0x100000, DEVFS_PARTITION_FIXED, "env_raw"); + devfs_add_partition("nand0", 0x80000, 0x100000, + DEVFS_PARTITION_FIXED, "env_raw"); dev_add_bb_dev("env_raw", "env0"); envdev = "NAND"; + flag_nand |= BBU_HANDLER_FLAG_DEFAULT; break; } - printf("Using environment in %s\n", envdev); + armlinux_set_architecture(MACH_TYPE_TX53); - return 0; -} -late_initcall(tx53_part_init); + /* rev xx30 can boot from nand or USB */ + imx53_bbu_internal_nand_register_handler("nand-xx30", + flag_nand, SZ_512K); -static int tx53_console_init(void) -{ - mxc_iomux_v3_setup_multiple_pads(tx53_pads, ARRAY_SIZE(tx53_pads)); + /* rev 1011 can boot from MMC/SD, other bootsource currently unknown */ + imx53_bbu_internal_mmc_register_handler("mmc-1011", + "/dev/mmc0", flag_mmc); - if (!IS_ENABLED(CONFIG_TX53_REV_XX30)) + if (of_machine_is_compatible("karo,tx53-1011")) imx53_init_lowlevel(1000); - barebox_set_model("Ka-Ro TX53"); - barebox_set_hostname("tx53"); + printf("Using environment in %s\n", envdev); - imx53_add_uart0(); return 0; } -console_initcall(tx53_console_init); +device_initcall(tx53_devices_init); diff --git a/arch/arm/boards/karo-tx53/lowlevel.c b/arch/arm/boards/karo-tx53/lowlevel.c index 9f584fa256..15dba7df22 100644 --- a/arch/arm/boards/karo-tx53/lowlevel.c +++ b/arch/arm/boards/karo-tx53/lowlevel.c @@ -1,23 +1,63 @@ #include +#include #include #include #include #include #include #include +#include -void __naked barebox_arm_reset_vector(void) +extern char __dtb_imx53_tx53_xx30_start[]; +extern char __dtb_imx53_tx53_1011_start[]; + +static inline void setup_uart(void) { + void __iomem *uart = IOMEM(MX53_UART1_BASE_ADDR); + + writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x270); + writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x274); + writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x878); + + imx53_ungate_all_peripherals(); + imx53_uart_setup(uart); + pbl_set_putc(imx_uart_putc, uart); + + putc_ll('>'); +} + +static void __imx53_tx53_init(int is_xx30) +{ + void *fdt; + void *fdt_blob_fixed_offset = __dtb_imx53_tx53_1011_start; + + arm_early_mmu_cache_invalidate(); imx5_cpu_lowlevel_init(); + relocate_to_current_adr(); + setup_c(); + barrier(); + arm_setup_stack(MX53_IRAM_BASE_ADDR + MX53_IRAM_SIZE - 8); - /* - * For the TX53 rev 8030 the SDRAM setup is not stable without - * the proper PLL setup. It will crash once we enable the MMU, - * so do the PLL setup here. - */ - if (IS_ENABLED(CONFIG_TX53_REV_XX30)) + if (is_xx30) { imx53_init_lowlevel_early(800); + fdt_blob_fixed_offset = __dtb_imx53_tx53_xx30_start; + } - imx53_barebox_entry(NULL); + if (IS_ENABLED(CONFIG_DEBUG_LL)) + setup_uart(); + + fdt = fdt_blob_fixed_offset - get_runtime_offset(); + + imx53_barebox_entry(fdt); +} + +ENTRY_FUNCTION(start_imx53_tx53_xx30, r0, r1, r2) +{ + __imx53_tx53_init(1); +} + +ENTRY_FUNCTION(start_imx53_tx53_1011, r0, r1, r2) +{ + __imx53_tx53_init(0); } diff --git a/arch/arm/configs/imx_v7_defconfig b/arch/arm/configs/imx_v7_defconfig index 08ec6eb862..426bc04651 100644 --- a/arch/arm/configs/imx_v7_defconfig +++ b/arch/arm/configs/imx_v7_defconfig @@ -10,6 +10,7 @@ CONFIG_MACH_GUF_VINCELL=y CONFIG_MACH_GUF_VINCELL_XLOAD=y CONFIG_MACH_TQMA53=y CONFIG_MACH_FREESCALE_MX53_VMX53=y +CONFIG_MACH_TX53=y CONFIG_MACH_PHYTEC_SOM_IMX6=y CONFIG_MACH_KONTRON_SAMX6I=y CONFIG_MACH_DFI_FS700_M60=y diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index db703c1e0f..e60e0ea0c6 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -19,6 +19,7 @@ pbl-dtb-$(CONFIG_MACH_EMBEST_RIOTBOARD) += imx6s-riotboard.dtb.o pbl-dtb-$(CONFIG_MACH_EMBEDSKY_E9) += imx6q-embedsky-e9.dtb.o pbl-dtb-$(CONFIG_MACH_FREESCALE_MX51_PDK) += imx51-babbage.dtb.o pbl-dtb-$(CONFIG_MACH_FREESCALE_MX53_LOCO) += imx53-qsb.dtb.o imx53-qsrb.dtb.o +pbl-dtb-$(CONFIG_MACH_TX53) += imx53-tx53-xx30.dtb.o imx53-tx53-1011.dtb.o pbl-dtb-$(CONFIG_MACH_CCMX53) += imx53-ccxmx53.dtb.o pbl-dtb-$(CONFIG_MACH_FREESCALE_MX53_VMX53) += imx53-voipac-bsb.dtb.o pbl-dtb-$(CONFIG_MACH_FREESCALE_MX7_SABRESD) += imx7d-sdb.dtb.o diff --git a/arch/arm/dts/imx53-tx53-1011.dts b/arch/arm/dts/imx53-tx53-1011.dts new file mode 100644 index 0000000000..e9b1b3a221 --- /dev/null +++ b/arch/arm/dts/imx53-tx53-1011.dts @@ -0,0 +1,13 @@ +/dts-v1/; +#include + +/ { + model = "Ka-Ro electronics TX53 module"; + compatible = "karo,tx53-1011", "karo,tx53", "fsl,imx53"; + + chosen { + stdout-path = &uart1; + }; + + sgtl5000: dummy { }; +}; diff --git a/arch/arm/dts/imx53-tx53-xx30.dts b/arch/arm/dts/imx53-tx53-xx30.dts new file mode 100644 index 0000000000..b9d1c65a2a --- /dev/null +++ b/arch/arm/dts/imx53-tx53-xx30.dts @@ -0,0 +1,13 @@ +/dts-v1/; +#include + +/ { + model = "Ka-Ro electronics TX53 module"; + compatible = "karo,tx53-xx30", "karo,tx53", "fsl,imx53"; + + chosen { + stdout-path = &uart1; + }; + + sgtl5000: dummy { }; +}; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index cf5338e5fa..9052a94ea0 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -289,6 +289,12 @@ config MACH_FREESCALE_MX53_VMX53 Say Y here if you are using the Voipac Technologies X53-DMM-668 module equipped with a Freescale i.MX53 Processor +config MACH_TX53 + bool "Ka-Ro TX53" + select ARCH_IMX53 + help + Say Y here if you are using the Ka-Ro tx53 board + config MACH_PHYTEC_SOM_IMX6 bool "Phytec phyCARD-i.MX6 and phyFLEX-i.MX6" select ARCH_IMX6 @@ -610,12 +616,6 @@ config MACH_FREESCALE_MX53_SMD bool "Freescale i.MX53 SMD" select ARCH_IMX53 -config MACH_TX53 - bool "Ka-Ro TX53" - select ARCH_IMX53 - help - Say Y here if you are using the Ka-Ro tx53 board - endchoice # ---------------------------------------------------------- @@ -689,19 +689,6 @@ endchoice endif -if MACH_TX53 - -choice - prompt "TX53 board revision" -config TX53_REV_1011 - bool "1011" -config TX53_REV_XX30 - bool "8030 / 1030" - -endchoice - -endif - endmenu menu "i.MX specific settings" diff --git a/images/Makefile.imx b/images/Makefile.imx index 0428c48ade..ed2774263d 100644 --- a/images/Makefile.imx +++ b/images/Makefile.imx @@ -139,6 +139,16 @@ CFG_start_imx53_mba53_1gib.pblx.imximg = $(board)/tqma53/flash-header-tq-tqma53- FILE_barebox-tq-mba53-1gib.img = start_imx53_mba53_1gib.pblx.imximg image-$(CONFIG_MACH_TQMA53) += barebox-tq-mba53-1gib.img +pblx-$(CONFIG_MACH_TX53) += start_imx53_imx53_tx53_xx30 +CFG_start_imx53_tx53_xx30.pblx.imximg = $(board)/karo-tx53/flash-header-tx53-revxx30.imxcfg +FILE_barebox-tx53-xx30.img = start_imx53_tx53_xx30.pblx.imximg +image-$(CONFIG_MACH_TX53) += barebox-tx53-xx30.img + +pblx-$(CONFIG_MACH_TX53) += start_imx53_imx53_tx53_1011 +CFG_start_imx53_tx53_1011.pblx.imximg = $(board)/karo-tx53/flash-header-tx53-rev1011.imxcfg +FILE_barebox-tx53-1011.img = start_imx53_tx53_1011.pblx.imximg +image-$(CONFIG_MACH_TX53) += barebox-tx53-1011.img + # ----------------------- i.MX6 based boards --------------------------- pblx-$(CONFIG_MACH_REALQ7) += start_imx6_realq7 CFG_start_imx6_realq7.pblx.imximg = $(board)/datamodul-edm-qmx6/flash-header.imxcfg -- 2.16.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox