From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from [2001:910:1314:ffff::1] (helo=gnutoo.privatedns.org) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1djXjI-0004qd-B4 for barebox@lists.infradead.org; Sun, 20 Aug 2017 21:27:18 +0000 From: Denis 'GNUtoo' Carikli Date: Sun, 20 Aug 2017 23:22:53 +0200 Message-Id: <20170820212253.27670-2-GNUtoo@no-log.org> In-Reply-To: <20170820212253.27670-1-GNUtoo@no-log.org> References: <20170820212253.27670-1-GNUtoo@no-log.org> 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] ARM: beagleboard: convert to devicetree To: barebox@lists.infradead.org Cc: Denis 'GNUtoo' Carikli Signed-off-by: Denis 'GNUtoo' Carikli --- arch/arm/boards/beagle/board.c | 85 ++--------------------- arch/arm/boards/beagle/lowlevel.c | 137 ++++---------------------------------- arch/arm/dts/Makefile | 2 +- arch/arm/dts/omap3-beagle.dts | 1 + arch/arm/mach-omap/Kconfig | 2 + 5 files changed, 23 insertions(+), 204 deletions(-) create mode 100644 arch/arm/dts/omap3-beagle.dts diff --git a/arch/arm/boards/beagle/board.c b/arch/arm/boards/beagle/board.c index 460f42ac2..6ce1e9cad 100644 --- a/arch/arm/boards/beagle/board.c +++ b/arch/arm/boards/beagle/board.c @@ -15,83 +15,20 @@ * */ -#include -#include -#include -#include -#include -#include #include -#include +#include #include +#include #include -#include -#include -#include -#include -#include -#include -#include -#include #include - -#ifdef CONFIG_DRIVER_SERIAL_NS16550 - -/** - * @brief UART serial port initialization - remember to enable COM clocks in - * arch - * - * @return result of device registration - */ -static int beagle_console_init(void) -{ - if (barebox_arm_machine() != MACH_TYPE_OMAP3_BEAGLE) - return 0; - - barebox_set_model("Texas Instruments beagle"); - barebox_set_hostname("beagle"); - - omap3_add_uart3(); - - return 0; -} -console_initcall(beagle_console_init); -#endif /* CONFIG_DRIVER_SERIAL_NS16550 */ - -#ifdef CONFIG_USB_EHCI_OMAP -static struct omap_hcd omap_ehci_pdata = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .phy_reset = 1, - .reset_gpio_port[0] = -EINVAL, - .reset_gpio_port[1] = 147, - .reset_gpio_port[2] = -EINVAL -}; - -static struct ehci_platform_data ehci_pdata = { - .flags = 0, -}; -#endif /* CONFIG_USB_EHCI_OMAP */ - -static struct i2c_board_info i2c_devices[] = { - { - I2C_BOARD_INFO("twl4030", 0x48), - }, -}; - -static struct gpmc_nand_platform_data nand_plat = { - .device_width = 16, - .ecc_mode = OMAP_ECC_HAMMING_CODE_HW_ROMCODE, - .nand_cfg = &omap3_nand_cfg, -}; +#include static int beagle_mem_init(void) { - if (barebox_arm_machine() != MACH_TYPE_OMAP3_BEAGLE) + if (!of_machine_is_compatible("ti,omap3-beagle")) return 0; - omap_add_ram0(SZ_128M); + arm_add_mem_device("ram0", 0x80000000, SZ_128M); return 0; } @@ -99,23 +36,13 @@ mem_initcall(beagle_mem_init); static int beagle_devices_init(void) { - if (barebox_arm_machine() != MACH_TYPE_OMAP3_BEAGLE) + if (!of_machine_is_compatible("ti,omap3-beagle")) return 0; - i2c_register_board_info(0, i2c_devices, ARRAY_SIZE(i2c_devices)); - omap3_add_i2c1(NULL); - -#ifdef CONFIG_USB_EHCI_OMAP - if (ehci_omap_init(&omap_ehci_pdata) >= 0) - omap3_add_ehci(&ehci_pdata); -#endif /* CONFIG_USB_EHCI_OMAP */ #ifdef CONFIG_OMAP_GPMC /* WP is made high and WAIT1 active Low */ gpmc_generic_init(0x10); #endif - omap_add_gpmc_nand_device(&nand_plat); - - omap3_add_mmc1(NULL); armlinux_set_architecture(MACH_TYPE_OMAP3_BEAGLE); diff --git a/arch/arm/boards/beagle/lowlevel.c b/arch/arm/boards/beagle/lowlevel.c index 30cc1f2c5..2557ab9b3 100644 --- a/arch/arm/boards/beagle/lowlevel.c +++ b/arch/arm/boards/beagle/lowlevel.c @@ -1,109 +1,11 @@ #include #include -#include -#include -#include #include -#include -#include -#include #include -#include #include #include -#include -#include -/** - * @brief Do the pin muxing required for Board operation. - * We enable ONLY the pins we require to set. OMAP provides pins which do not - * have alternate modes. Such pins done need to be set. - * - * See @ref MUX_VAL for description of the muxing mode. - * - * @return void - */ -static void mux_config(void) -{ - /* SDRC_D0 - SDRC_D31 default mux mode is mode0 */ - - /* GPMC */ - MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)); - - /* D0-D7 default mux mode is mode0 */ - MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)); - /* GPMC_NADV_ALE default mux mode is mode0 */ - /* GPMC_NOE default mux mode is mode0 */ - /* GPMC_NWE default mux mode is mode0 */ - /* GPMC_NBE0_CLE default mux mode is mode0 */ - MUX_VAL(CP(GPMC_NBE0_CLE), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_NBE1), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(GPMC_NWP), (IEN | PTD | DIS | M0)); - /* GPMC_WAIT0 default mux mode is mode0 */ - MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)); - - /* SERIAL INTERFACE */ - MUX_VAL(CP(UART3_CTS_RCTX), (IEN | PTD | EN | M0)); - MUX_VAL(CP(UART3_RTS_SD), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_CLK), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_STP), (IDIS | PTU | EN | M0)); - MUX_VAL(CP(HSUSB0_DIR), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_NXT), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_DATA0), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_DATA1), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_DATA2), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_DATA3), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_DATA4), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_DATA5), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_DATA6), (IEN | PTD | DIS | M0)); - MUX_VAL(CP(HSUSB0_DATA7), (IEN | PTD | DIS | M0)); - /* I2C1_SCL default mux mode is mode0 */ - /* I2C1_SDA default mux mode is mode0 */ - /* USB EHCI (port 2) */ - MUX_VAL(CP(MCSPI1_CS3), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(MCSPI2_CLK), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(MCSPI2_SIMO), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(MCSPI2_SOMI), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(MCSPI2_CS0), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(MCSPI2_CS1), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(ETK_D10_ES2), (IDIS | PTU | DIS | M3)); - MUX_VAL(CP(ETK_D11_ES2), (IDIS | PTU | DIS | M3)); - MUX_VAL(CP(ETK_D12_ES2), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(ETK_D13_ES2), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(ETK_D14_ES2), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(ETK_D15_ES2), (IEN | PTU | DIS | M3)); - MUX_VAL(CP(UART2_RX), (IEN | PTD | DIS | M4)) /*GPIO_147*/; - /* Expansion card */ - MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0)); /* MMC1_CLK */ - MUX_VAL(CP(MMC1_CMD), (IEN | PTU | EN | M0)); /* MMC1_CMD */ - MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | EN | M0)); /* MMC1_DAT0 */ - MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)); /* MMC1_DAT1 */ - MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)); /* MMC1_DAT2 */ - MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)); /* MMC1_DAT3 */ - MUX_VAL(CP(MMC1_DAT4), (IEN | PTU | EN | M0)); /* MMC1_DAT4 */ - MUX_VAL(CP(MMC1_DAT5), (IEN | PTU | EN | M0)); /* MMC1_DAT5 */ - MUX_VAL(CP(MMC1_DAT6), (IEN | PTU | EN | M0)); /* MMC1_DAT6 */ - MUX_VAL(CP(MMC1_DAT7), (IEN | PTU | EN | M0)); /* MMC1_DAT7 */ -} +extern char __dtb_z_omap3_beagle_start[]; /** * @brief Do the SDRC initialization for 128Meg Micron DDR for CS0 @@ -159,20 +61,14 @@ static void sdrc_init(void) return; } -static noinline int beagle_board_init_sdram(void) +ENTRY_FUNCTION(start_omap3_beagleboard_sdram, r0, r1, r2) { - struct barebox_arm_boarddata *bd = (void *)OMAP3_SRAM_SCRATCH_SPACE + 0x10; + void *fdt; - boarddata_create(bd, MACH_TYPE_OMAP3_BEAGLE); + fdt = __dtb_z_omap3_beagle_start; + fdt -= get_runtime_offset(); - barebox_arm_entry(0x80000000, SZ_128M, bd); -} - -ENTRY_FUNCTION(start_omap3_beagleboard_sdram, bootinfo, r1, r2) -{ - omap3_save_bootinfo((void *)bootinfo); - - beagle_board_init_sdram(); + barebox_arm_entry(0x80000000, SZ_128M, fdt); } /** @@ -184,25 +80,18 @@ ENTRY_FUNCTION(start_omap3_beagleboard_sdram, bootinfo, r1, r2) * * @return void */ -static noinline int beagle_board_init(void) +static noinline int beagle_board_sram_init(void) { - int in_sdram = omap3_running_in_sdram(); - struct barebox_arm_boarddata bd; - - if (!in_sdram) - omap3_core_init(); + void *fdt; + fdt = __dtb_z_omap3_beagle_start; - mux_config(); + omap3_core_init(); omap_uart_lowlevel_init((void *)OMAP3_UART3_BASE); - /* Dont reconfigure SDRAM while running in SDRAM! */ - if (!in_sdram) - sdrc_init(); - - boarddata_create(&bd, MACH_TYPE_OMAP3_BEAGLE); + sdrc_init(); - barebox_arm_entry(0x80000000, SZ_128M, &bd); + barebox_arm_entry(0x80000000, SZ_128M, fdt); } ENTRY_FUNCTION(start_omap3_beagleboard_sram, bootinfo, r1, r2) @@ -216,5 +105,5 @@ ENTRY_FUNCTION(start_omap3_beagleboard_sram, bootinfo, r1, r2) relocate_to_current_adr(); setup_c(); - beagle_board_init(); + beagle_board_sram_init(); } diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 0ec03bc81..58755ca4d 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -6,7 +6,7 @@ endif # just to build a built-in.o. Otherwise compilation fails when no devicetree is # created. obj- += dummy.o - +pbl-dtb-$(CONFIG_MACH_BEAGLE) += omap3-beagle.dtb.o pbl-dtb-$(CONFIG_MACH_AFI_GF) += am335x-afi-gf.dtb.o pbl-dtb-$(CONFIG_MACH_BEAGLEBONE) += am335x-bone.dtb.o am335x-boneblack.dtb.o am335x-bone-common.dtb.o pbl-dtb-$(CONFIG_MACH_CM_FX6) += imx6dl-cm-fx6.dtb.o imx6q-cm-fx6.dtb.o imx6q-utilite.dtb.o diff --git a/arch/arm/dts/omap3-beagle.dts b/arch/arm/dts/omap3-beagle.dts new file mode 100644 index 000000000..9dd74b199 --- /dev/null +++ b/arch/arm/dts/omap3-beagle.dts @@ -0,0 +1 @@ +#include diff --git a/arch/arm/mach-omap/Kconfig b/arch/arm/mach-omap/Kconfig index 9c41741b5..5f53e1f56 100644 --- a/arch/arm/mach-omap/Kconfig +++ b/arch/arm/mach-omap/Kconfig @@ -26,7 +26,9 @@ config ARCH_OMAP3 bool select CPU_V7 select GENERIC_GPIO + select OFTREE select OMAP_CLOCK_SOURCE_S32K + select ARM_USE_COMPRESSED_DTB help Say Y here if you are using Texas Instrument's OMAP343x based platform -- 2.13.3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox