Add spi and spi nor flash nodes for am335x-icev2.

Signed-off-by: Faiz Abbas faiz_abbas@ti.com --- arch/arm/dts/am335x-icev2.dts | 50 +++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+)

diff --git a/arch/arm/dts/am335x-icev2.dts b/arch/arm/dts/am335x-icev2.dts index 37484cb6f5..2a1b3a53e9 100644 --- a/arch/arm/dts/am335x-icev2.dts +++ b/arch/arm/dts/am335x-icev2.dts @@ -436,3 +436,53 @@ reg = <3>; }; }; + +&spi0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pins_default>; + + sn65hvs882@1 { + compatible = "pisosr-gpio"; + gpio-controller; + #gpio-cells = <2>; + + load-gpios = <&gpio3 18 GPIO_ACTIVE_LOW>; + + reg = <1>; + spi-max-frequency = <1000000>; + spi-cpol; + }; + + spi_nor: flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "winbond,w25q64", "jedec,spi-nor"; + spi-max-frequency = <80000000>; + m25p,fast-read; + reg = <0>; + + partition@0 { + label = "u-boot-spl"; + reg = <0x0 0x80000>; + read-only; + }; + + partition@1 { + label = "u-boot"; + reg = <0x80000 0x100000>; + read-only; + }; + + partition@2 { + label = "u-boot-env"; + reg = <0x180000 0x20000>; + read-only; + }; + + partition@3 { + label = "misc"; + reg = <0x1A0000 0x660000>; + }; + }; +};

Add platform data and a device structure for the spi device present on am335x-icev2. This requires moving all omap3_spi platform data structures and symbols to an omap3_spi.h so that the board file can access them.

Signed-off-by: Faiz Abbas faiz_abbas@ti.com --- arch/arm/mach-omap2/am33xx/board.c | 18 +++++++ drivers/spi/omap3_spi.c | 70 +-------------------------- include/configs/am335x_evm.h | 2 - include/omap3_spi.h | 78 ++++++++++++++++++++++++++++++ 4 files changed, 97 insertions(+), 71 deletions(-) create mode 100644 include/omap3_spi.h

diff --git a/arch/arm/mach-omap2/am33xx/board.c b/arch/arm/mach-omap2/am33xx/board.c index a7b56b6bb3..2888390d24 100644 --- a/arch/arm/mach-omap2/am33xx/board.c +++ b/arch/arm/mach-omap2/am33xx/board.c @@ -14,6 +14,7 @@ #include <init.h> #include <net.h> #include <ns16550.h> +#include <omap3_spi.h> #include <spl.h> #include <asm/arch/cpu.h> #include <asm/arch/hardware.h> @@ -49,6 +50,12 @@ #define AM43XX_READ_WRITE_LEVELING_CTRL_OFFSET 0xDC #define AM43XX_RDWRLVLFULL_START 0x80000000

+/* SPI flash. */ +#if CONFIG_IS_ENABLED(DM_SPI) && !CONFIG_IS_ENABLED(OF_CONTROL) +#define AM33XX_SPI0_BASE 0x48030000 +#define AM33XX_SPI0_OFFSET (AM33XX_SPI0_BASE + OMAP4_MCSPI_REG_OFFSET) +#endif + DECLARE_GLOBAL_DATA_PTR;

int dram_init(void) @@ -142,6 +149,17 @@ U_BOOT_DEVICES(am33xx_gpios) = { #endif }; #endif +#if CONFIG_IS_ENABLED(DM_SPI) && !CONFIG_IS_ENABLED(OF_CONTROL) +static const struct omap3_spi_plat omap3_spi_pdata = { + .regs = (struct mcspi *)AM33XX_SPI0_OFFSET, + .pin_dir = MCSPI_PINDIR_D0_IN_D1_OUT, +}; + +U_BOOT_DEVICE(am33xx_spi) = { + .name = "omap3_spi", + .platdata = &omap3_spi_pdata, +}; +#endif #endif

#if !CONFIG_IS_ENABLED(DM_GPIO) diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index fbf9575851..fb1cf360fc 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -22,82 +22,14 @@ #include <malloc.h> #include <asm/io.h> #include <linux/bitops.h> +#include <omap3_spi.h>

DECLARE_GLOBAL_DATA_PTR;

-#define OMAP4_MCSPI_REG_OFFSET 0x100 - struct omap2_mcspi_platform_config { unsigned int regs_offset; };

-/* per-register bitmasks */ -#define OMAP3_MCSPI_SYSCONFIG_SMARTIDLE (2 << 3) -#define OMAP3_MCSPI_SYSCONFIG_ENAWAKEUP BIT(2) -#define OMAP3_MCSPI_SYSCONFIG_AUTOIDLE BIT(0) -#define OMAP3_MCSPI_SYSCONFIG_SOFTRESET BIT(1) - -#define OMAP3_MCSPI_SYSSTATUS_RESETDONE BIT(0) - -#define OMAP3_MCSPI_MODULCTRL_SINGLE BIT(0) -#define OMAP3_MCSPI_MODULCTRL_MS BIT(2) -#define OMAP3_MCSPI_MODULCTRL_STEST BIT(3) - -#define OMAP3_MCSPI_CHCONF_PHA BIT(0) -#define OMAP3_MCSPI_CHCONF_POL BIT(1) -#define OMAP3_MCSPI_CHCONF_CLKD_MASK GENMASK(5, 2) -#define OMAP3_MCSPI_CHCONF_EPOL BIT(6) -#define OMAP3_MCSPI_CHCONF_WL_MASK GENMASK(11, 7) -#define OMAP3_MCSPI_CHCONF_TRM_RX_ONLY BIT(12) -#define OMAP3_MCSPI_CHCONF_TRM_TX_ONLY BIT(13) -#define OMAP3_MCSPI_CHCONF_TRM_MASK GENMASK(13, 12) -#define OMAP3_MCSPI_CHCONF_DMAW BIT(14) -#define OMAP3_MCSPI_CHCONF_DMAR BIT(15) -#define OMAP3_MCSPI_CHCONF_DPE0 BIT(16) -#define OMAP3_MCSPI_CHCONF_DPE1 BIT(17) -#define OMAP3_MCSPI_CHCONF_IS BIT(18) -#define OMAP3_MCSPI_CHCONF_TURBO BIT(19) -#define OMAP3_MCSPI_CHCONF_FORCE BIT(20) - -#define OMAP3_MCSPI_CHSTAT_RXS BIT(0) -#define OMAP3_MCSPI_CHSTAT_TXS BIT(1) -#define OMAP3_MCSPI_CHSTAT_EOT BIT(2) - -#define OMAP3_MCSPI_CHCTRL_EN BIT(0) -#define OMAP3_MCSPI_CHCTRL_DIS (0 << 0) - -#define OMAP3_MCSPI_WAKEUPENABLE_WKEN BIT(0) -#define MCSPI_PINDIR_D0_IN_D1_OUT 0 -#define MCSPI_PINDIR_D0_OUT_D1_IN 1 - -#define OMAP3_MCSPI_MAX_FREQ 48000000 -#define SPI_WAIT_TIMEOUT 10 - -/* OMAP3 McSPI registers */ -struct mcspi_channel { - unsigned int chconf; /* 0x2C, 0x40, 0x54, 0x68 */ - unsigned int chstat; /* 0x30, 0x44, 0x58, 0x6C */ - unsigned int chctrl; /* 0x34, 0x48, 0x5C, 0x70 */ - unsigned int tx; /* 0x38, 0x4C, 0x60, 0x74 */ - unsigned int rx; /* 0x3C, 0x50, 0x64, 0x78 */ -}; - -struct mcspi { - unsigned char res1[0x10]; - unsigned int sysconfig; /* 0x10 */ - unsigned int sysstatus; /* 0x14 */ - unsigned int irqstatus; /* 0x18 */ - unsigned int irqenable; /* 0x1C */ - unsigned int wakeupenable; /* 0x20 */ - unsigned int syst; /* 0x24 */ - unsigned int modulctrl; /* 0x28 */ - struct mcspi_channel channel[4]; - /* channel0: 0x2C - 0x3C, bus 0 & 1 & 2 & 3 */ - /* channel1: 0x40 - 0x50, bus 0 & 1 */ - /* channel2: 0x54 - 0x64, bus 0 & 1 */ - /* channel3: 0x68 - 0x78, bus 0 */ -}; - struct omap3_spi_priv { struct mcspi *regs; unsigned int cs; diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h index 9c4ef369c5..0767927376 100644 --- a/include/configs/am335x_evm.h +++ b/include/configs/am335x_evm.h @@ -280,8 +280,6 @@ #define CONFIG_SYS_ENV_SECT_SIZE CONFIG_SYS_NAND_BLOCK_SIZE #endif

-/* SPI flash. */ - /* Network. */ /* Enable Atheros phy driver */

diff --git a/include/omap3_spi.h b/include/omap3_spi.h new file mode 100644 index 0000000000..cae3770583 --- /dev/null +++ b/include/omap3_spi.h @@ -0,0 +1,78 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +#ifndef __OMAP3_SPI_H_ +#define __OMAP3_SPI_H_ + +/* per-register bitmasks */ +#define OMAP3_MCSPI_SYSCONFIG_SMARTIDLE (2 << 3) +#define OMAP3_MCSPI_SYSCONFIG_ENAWAKEUP BIT(2) +#define OMAP3_MCSPI_SYSCONFIG_AUTOIDLE BIT(0) +#define OMAP3_MCSPI_SYSCONFIG_SOFTRESET BIT(1) + +#define OMAP3_MCSPI_SYSSTATUS_RESETDONE BIT(0) + +#define OMAP3_MCSPI_MODULCTRL_SINGLE BIT(0) +#define OMAP3_MCSPI_MODULCTRL_MS BIT(2) +#define OMAP3_MCSPI_MODULCTRL_STEST BIT(3) + +#define OMAP3_MCSPI_CHCONF_PHA BIT(0) +#define OMAP3_MCSPI_CHCONF_POL BIT(1) +#define OMAP3_MCSPI_CHCONF_CLKD_MASK GENMASK(5, 2) +#define OMAP3_MCSPI_CHCONF_EPOL BIT(6) +#define OMAP3_MCSPI_CHCONF_WL_MASK GENMASK(11, 7) +#define OMAP3_MCSPI_CHCONF_TRM_RX_ONLY BIT(12) +#define OMAP3_MCSPI_CHCONF_TRM_TX_ONLY BIT(13) +#define OMAP3_MCSPI_CHCONF_TRM_MASK GENMASK(13, 12) +#define OMAP3_MCSPI_CHCONF_DMAW BIT(14) +#define OMAP3_MCSPI_CHCONF_DMAR BIT(15) +#define OMAP3_MCSPI_CHCONF_DPE0 BIT(16) +#define OMAP3_MCSPI_CHCONF_DPE1 BIT(17) +#define OMAP3_MCSPI_CHCONF_IS BIT(18) +#define OMAP3_MCSPI_CHCONF_TURBO BIT(19) +#define OMAP3_MCSPI_CHCONF_FORCE BIT(20) + +#define OMAP3_MCSPI_CHSTAT_RXS BIT(0) +#define OMAP3_MCSPI_CHSTAT_TXS BIT(1) +#define OMAP3_MCSPI_CHSTAT_EOT BIT(2) + +#define OMAP3_MCSPI_CHCTRL_EN BIT(0) +#define OMAP3_MCSPI_CHCTRL_DIS (0 << 0) + +#define OMAP3_MCSPI_WAKEUPENABLE_WKEN BIT(0) +#define MCSPI_PINDIR_D0_IN_D1_OUT 0 +#define MCSPI_PINDIR_D0_OUT_D1_IN 1 + +#define OMAP3_MCSPI_MAX_FREQ 48000000 +#define SPI_WAIT_TIMEOUT 10 + +#define OMAP4_MCSPI_REG_OFFSET 0x100 + +/* OMAP3 McSPI registers */ +struct mcspi_channel { + unsigned int chconf; /* 0x2C, 0x40, 0x54, 0x68 */ + unsigned int chstat; /* 0x30, 0x44, 0x58, 0x6C */ + unsigned int chctrl; /* 0x34, 0x48, 0x5C, 0x70 */ + unsigned int tx; /* 0x38, 0x4C, 0x60, 0x74 */ + unsigned int rx; /* 0x3C, 0x50, 0x64, 0x78 */ +}; + +struct mcspi { + unsigned char res1[0x10]; + unsigned int sysconfig; /* 0x10 */ + unsigned int sysstatus; /* 0x14 */ + unsigned int irqstatus; /* 0x18 */ + unsigned int irqenable; /* 0x1C */ + unsigned int wakeupenable; /* 0x20 */ + unsigned int syst; /* 0x24 */ + unsigned int modulctrl; /* 0x28 */ + struct mcspi_channel channel[4]; + /* channel0: 0x2C - 0x3C, bus 0 & 1 & 2 & 3 */ + /* channel1: 0x40 - 0x50, bus 0 & 1 */ + /* channel2: 0x54 - 0x64, bus 0 & 1 */ + /* channel3: 0x68 - 0x78, bus 0 */ +}; + +struct omap3_spi_plat { + struct mcspi *regs; + unsigned int pin_dir:1; +}; +#endif

am335x internal SRAM is too small to support the addition of SPI bootmode to the default defconfig. Add a separate spiboot_defconfig

Signed-off-by: Faiz Abbas faiz_abbas@ti.com --- board/ti/am335x/MAINTAINERS | 1 + configs/am335x_evm_spiboot_defconfig | 93 ++++++++++++++++++++++++++++ 2 files changed, 94 insertions(+) create mode 100644 configs/am335x_evm_spiboot_defconfig

diff --git a/board/ti/am335x/MAINTAINERS b/board/ti/am335x/MAINTAINERS index e100adfd68..219c8715bf 100644 --- a/board/ti/am335x/MAINTAINERS +++ b/board/ti/am335x/MAINTAINERS @@ -5,3 +5,4 @@ F: board/ti/am335x/ F: include/configs/am335x_evm.h F: configs/am335x_boneblack_vboot_defconfig F: configs/am335x_evm_defconfig +F: configs/am335x_evm_spiboot_defconfig diff --git a/configs/am335x_evm_spiboot_defconfig b/configs/am335x_evm_spiboot_defconfig new file mode 100644 index 0000000000..d71a7ce75c --- /dev/null +++ b/configs/am335x_evm_spiboot_defconfig @@ -0,0 +1,93 @@ +CONFIG_ARM=y +CONFIG_ARCH_CPU_INIT=y +CONFIG_ARCH_OMAP2PLUS=y +CONFIG_TI_COMMON_CMD_OPTIONS=y +CONFIG_ENV_OFFSET=0x100000 +CONFIG_SYS_SPI_U_BOOT_OFFS=0x20000 +CONFIG_SPL_DM_SPI=y +CONFIG_AM33XX=y +# CONFIG_SPL_MMC_SUPPORT is not set +CONFIG_SPL=y +CONFIG_SPL_SPI_FLASH_SUPPORT=y +CONFIG_SPL_SPI_SUPPORT=y +CONFIG_DEFAULT_DEVICE_TREE="am335x-evm" +CONFIG_DISTRO_DEFAULTS=y +CONFIG_SPL_LOAD_FIT=y +CONFIG_OF_BOARD_SETUP=y +CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd" +CONFIG_LOGLEVEL=3 +CONFIG_SYS_CONSOLE_INFO_QUIET=y +CONFIG_VERSION_VARIABLE=y +CONFIG_ARCH_MISC_INIT=y +CONFIG_SPL_FIT_IMAGE_TINY=y +# CONFIG_SPL_FS_EXT4 is not set +CONFIG_SPL_MTD_SUPPORT=y +# CONFIG_SPL_NAND_SUPPORT is not set +CONFIG_SPL_DM_SPI_FLASH=y +CONFIG_SPL_SPI_LOAD=y +CONFIG_CMD_SPL=y +# CONFIG_CMD_FLASH is not set +CONFIG_CMD_NAND=y +# CONFIG_CMD_SETEXPR is not set +CONFIG_BOOTP_DNS2=y +CONFIG_CMD_MTDPARTS=y +# CONFIG_SPL_EFI_PARTITION is not set +CONFIG_OF_CONTROL=y +CONFIG_OF_LIST="am335x-evm am335x-bone am335x-boneblack am335x-evmsk am335x-bonegreen am335x-icev2 am335x-pocketbeagle" +CONFIG_ENV_OVERWRITE=y +# CONFIG_ENV_IS_IN_FAT is not set +CONFIG_ENV_IS_IN_SPI_FLASH=y +CONFIG_SYS_RELOC_GD_ENV_ADDR=y +CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y +CONFIG_SPL_ENV_IS_NOWHERE=y +CONFIG_BOOTP_SEND_HOSTNAME=y +CONFIG_BOOTCOUNT_LIMIT=y +CONFIG_CLK=y +CONFIG_CLK_CDCE9XX=y +CONFIG_DFU_TFTP=y +CONFIG_DFU_MMC=y +CONFIG_DFU_NAND=y +CONFIG_DFU_RAM=y +CONFIG_USB_FUNCTION_FASTBOOT=y +CONFIG_FASTBOOT_FLASH=y +CONFIG_FASTBOOT_FLASH_MMC_DEV=1 +CONFIG_FASTBOOT_CMD_OEM_FORMAT=y +CONFIG_DM_I2C=y +CONFIG_MISC=y +CONFIG_DM_MMC=y +# CONFIG_SPL_DM_MMC is not set +# CONFIG_MMC_HW_PARTITIONING is not set +CONFIG_MMC_OMAP_HS=y +CONFIG_MTD=y +CONFIG_MTD_RAW_NAND=y +# CONFIG_SPL_NAND_AM33XX_BCH is not set +CONFIG_DM_SPI_FLASH=y +CONFIG_SF_DEFAULT_SPEED=24000000 +CONFIG_SPI_FLASH_WINBOND=y +CONFIG_PHY_ATHEROS=y +CONFIG_PHY_SMSC=y +CONFIG_DM_ETH=y +CONFIG_MII=y +CONFIG_DRIVER_TI_CPSW=y +CONFIG_SPI=y +CONFIG_DM_SPI=y +CONFIG_OMAP3_SPI=y +CONFIG_TIMER=y +CONFIG_OMAP_TIMER=y +CONFIG_USB=y +CONFIG_DM_USB=y +CONFIG_DM_USB_GADGET=y +CONFIG_USB_MUSB_HOST=y +CONFIG_USB_MUSB_GADGET=y +CONFIG_USB_MUSB_TI=y +CONFIG_USB_GADGET=y +CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments" +CONFIG_USB_GADGET_VENDOR_NUM=0x0451 +CONFIG_USB_GADGET_PRODUCT_NUM=0xd022 +CONFIG_USB_ETHER=y +CONFIG_WDT=y +# CONFIG_SPL_WDT is not set +CONFIG_DYNAMIC_CRC_TABLE=y +CONFIG_RSA=y +CONFIG_LZO=y +# CONFIG_OF_LIBFDT_OVERLAY is not set