diff options
Diffstat (limited to 'drivers')
47 files changed, 1248 insertions, 92 deletions
diff --git a/drivers/adc/stm32-adc-core.c b/drivers/adc/stm32-adc-core.c index 31bbb6f9d6..f20c46fb36 100644 --- a/drivers/adc/stm32-adc-core.c +++ b/drivers/adc/stm32-adc-core.c @@ -7,6 +7,7 @@ */ #include <common.h> +#include <dm.h> #include <asm/io.h> #include <dm/device_compat.h> #include <linux/bitops.h> diff --git a/drivers/adc/stm32-adc-core.h b/drivers/adc/stm32-adc-core.h index ba0e10e6cc..05968dbcc8 100644 --- a/drivers/adc/stm32-adc-core.h +++ b/drivers/adc/stm32-adc-core.h @@ -26,9 +26,9 @@ #define STM32_ADC_MAX_ADCS 3 #define STM32_ADCX_COMN_OFFSET 0x300 -#include <common.h> #include <clk.h> -#include <dm.h> + +struct udevice; /** * struct stm32_adc_common - stm32 ADC driver common data (for all instances) diff --git a/drivers/adc/stm32-adc.c b/drivers/adc/stm32-adc.c index b12f894a9b..3f0ed48846 100644 --- a/drivers/adc/stm32-adc.c +++ b/drivers/adc/stm32-adc.c @@ -8,6 +8,7 @@ #include <common.h> #include <adc.h> +#include <dm.h> #include <asm/io.h> #include <dm/device_compat.h> #include <linux/bitops.h> diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 82cb1874e1..6003e140b5 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -83,6 +83,13 @@ config CLK_INTEL set up by U-Boot itself but only statically. Thus the driver does not support changing clock rates, only querying them. +config CLK_OCTEON + bool "Clock controller driver for Marvell MIPS Octeon" + depends on CLK && ARCH_OCTEON + default y + help + Enable this to support the clocks on Octeon MIPS platforms. + config CLK_STM32F bool "Enable clock driver support for STM32F family" depends on CLK && (STM32F7 || STM32F4) diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index d911954581..cda4b4b605 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_$(SPL_TPL_)CLK_INTEL) += intel/ obj-$(CONFIG_CLK_HSDK) += clk-hsdk-cgu.o obj-$(CONFIG_CLK_K210) += kendryte/ obj-$(CONFIG_CLK_MPC83XX) += mpc83xx_clk.o +obj-$(CONFIG_CLK_OCTEON) += clk_octeon.o obj-$(CONFIG_CLK_OWL) += owl/ obj-$(CONFIG_CLK_RENESAS) += renesas/ obj-$(CONFIG_CLK_SIFIVE) += sifive/ diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 15656f5973..934cd5787a 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -25,6 +25,11 @@ static inline const struct clk_ops *clk_dev_ops(struct udevice *dev) return (const struct clk_ops *)dev->driver->ops; } +struct clk *dev_get_clk_ptr(struct udevice *dev) +{ + return (struct clk *)dev_get_uclass_priv(dev); +} + #if CONFIG_IS_ENABLED(OF_CONTROL) # if CONFIG_IS_ENABLED(OF_PLATDATA) int clk_get_by_driver_info(struct udevice *dev, struct phandle_1_arg *cells, diff --git a/drivers/clk/clk_octeon.c b/drivers/clk/clk_octeon.c new file mode 100644 index 0000000000..fd559e05fc --- /dev/null +++ b/drivers/clk/clk_octeon.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Stefan Roese <sr@denx.de> + */ + +#include <clk-uclass.h> +#include <dm.h> +#include <dt-bindings/clock/octeon-clock.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct octeon_clk_priv { + u64 core_clk; + u64 io_clk; +}; + +static int octeon_clk_enable(struct clk *clk) +{ + /* Nothing to do on Octeon */ + return 0; +} + +static ulong octeon_clk_get_rate(struct clk *clk) +{ + struct octeon_clk_priv *priv = dev_get_priv(clk->dev); + + switch (clk->id) { + case OCTEON_CLK_CORE: + return priv->core_clk; + + case OCTEON_CLK_IO: + return priv->io_clk; + + default: + return 0; + } + + return 0; +} + +static struct clk_ops octeon_clk_ops = { + .enable = octeon_clk_enable, + .get_rate = octeon_clk_get_rate, +}; + +static const struct udevice_id octeon_clk_ids[] = { + { .compatible = "mrvl,octeon-clk" }, + { /* sentinel */ } +}; + +static int octeon_clk_probe(struct udevice *dev) +{ + struct octeon_clk_priv *priv = dev_get_priv(dev); + + /* + * The clock values are already read into GD, lets just store them + * in priv data + */ + priv->core_clk = gd->cpu_clk; + priv->io_clk = gd->bus_clk; + + return 0; +} + +U_BOOT_DRIVER(clk_octeon) = { + .name = "clk_octeon", + .id = UCLASS_CLK, + .of_match = octeon_clk_ids, + .ops = &octeon_clk_ops, + .probe = octeon_clk_probe, + .priv_auto_alloc_size = sizeof(struct octeon_clk_priv), +}; diff --git a/drivers/clk/kendryte/bypass.c b/drivers/clk/kendryte/bypass.c index d1fd28175b..5f1986f2cb 100644 --- a/drivers/clk/kendryte/bypass.c +++ b/drivers/clk/kendryte/bypass.c @@ -4,12 +4,15 @@ */ #define LOG_CATEGORY UCLASS_CLK -#include <kendryte/bypass.h> +#include <common.h> +#include <clk.h> #include <clk-uclass.h> +#include <dm.h> +#include <log.h> +#include <kendryte/bypass.h> #include <linux/clk-provider.h> #include <linux/err.h> -#include <log.h> #define CLK_K210_BYPASS "k210_clk_bypass" diff --git a/drivers/clk/kendryte/pll.c b/drivers/clk/kendryte/pll.c index 19e358856a..ab6d75d585 100644 --- a/drivers/clk/kendryte/pll.c +++ b/drivers/clk/kendryte/pll.c @@ -3,18 +3,20 @@ * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com> */ #define LOG_CATEGORY UCLASS_CLK -#include <kendryte/pll.h> -#include <asm/io.h> +#include <common.h> +#include <dm.h> /* For DIV_ROUND_DOWN_ULL, defined in linux/kernel.h */ #include <div64.h> +#include <log.h> +#include <serial.h> +#include <asm/io.h> #include <dt-bindings/clock/k210-sysctl.h> +#include <kendryte/pll.h> #include <linux/bitfield.h> #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/err.h> -#include <log.h> -#include <serial.h> #define CLK_K210_PLL "k210_clk_pll" diff --git a/drivers/clk/sifive/fu540-prci.c b/drivers/clk/sifive/fu540-prci.c index fe6e0d4073..c5148e9a37 100644 --- a/drivers/clk/sifive/fu540-prci.c +++ b/drivers/clk/sifive/fu540-prci.c @@ -30,17 +30,22 @@ #include <common.h> #include <asm/io.h> +#include <asm/arch/reset.h> #include <clk-uclass.h> #include <clk.h> #include <div64.h> #include <dm.h> #include <errno.h> +#include <reset-uclass.h> +#include <dm/device.h> +#include <dm/uclass.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/math64.h> #include <linux/clk/analogbits-wrpll-cln28hpc.h> #include <dt-bindings/clock/sifive-fu540-prci.h> +#include <dt-bindings/reset/sifive-fu540-prci.h> /* * EXPECTED_CLK_PARENT_COUNT: how many parent clocks this driver expects: @@ -131,21 +136,18 @@ /* DEVICESRESETREG */ #define PRCI_DEVICESRESETREG_OFFSET 0x28 -#define PRCI_DEVICESRESETREG_DDR_CTRL_RST_N_SHIFT 0 +#define PRCI_DEVICERESETCNT 5 + #define PRCI_DEVICESRESETREG_DDR_CTRL_RST_N_MASK \ - (0x1 << PRCI_DEVICESRESETREG_DDR_CTRL_RST_N_SHIFT) -#define PRCI_DEVICESRESETREG_DDR_AXI_RST_N_SHIFT 1 + (0x1 << PRCI_RST_DDR_CTRL_N) #define PRCI_DEVICESRESETREG_DDR_AXI_RST_N_MASK \ - (0x1 << PRCI_DEVICESRESETREG_DDR_AXI_RST_N_SHIFT) -#define PRCI_DEVICESRESETREG_DDR_AHB_RST_N_SHIFT 2 + (0x1 << PRCI_RST_DDR_AXI_N) #define PRCI_DEVICESRESETREG_DDR_AHB_RST_N_MASK \ - (0x1 << PRCI_DEVICESRESETREG_DDR_AHB_RST_N_SHIFT) -#define PRCI_DEVICESRESETREG_DDR_PHY_RST_N_SHIFT 3 + (0x1 << PRCI_RST_DDR_AHB_N) #define PRCI_DEVICESRESETREG_DDR_PHY_RST_N_MASK \ - (0x1 << PRCI_DEVICESRESETREG_DDR_PHY_RST_N_SHIFT) -#define PRCI_DEVICESRESETREG_GEMGXL_RST_N_SHIFT 5 + (0x1 << PRCI_RST_DDR_PHY_N) #define PRCI_DEVICESRESETREG_GEMGXL_RST_N_MASK \ - (0x1 << PRCI_DEVICESRESETREG_GEMGXL_RST_N_SHIFT) + (0x1 << PRCI_RST_GEMGXL_N) /* CLKMUXSTATUSREG */ #define PRCI_CLKMUXSTATUSREG_OFFSET 0x2c @@ -528,6 +530,41 @@ static const struct __prci_clock_ops sifive_fu540_prci_tlclksel_clk_ops = { .recalc_rate = sifive_fu540_prci_tlclksel_recalc_rate, }; +static int __prci_consumer_reset(const char *rst_name, bool trigger) +{ + struct udevice *dev; + struct reset_ctl rst_sig; + int ret; + + ret = uclass_get_device_by_driver(UCLASS_RESET, + DM_GET_DRIVER(sifive_reset), + &dev); + if (ret) { + dev_err(dev, "Reset driver not found: %d\n", ret); + return ret; + } + + ret = reset_get_by_name(dev, rst_name, &rst_sig); + if (ret) { + dev_err(dev, "failed to get %s reset\n", rst_name); + return ret; + } + + if (reset_valid(&rst_sig)) { + if (trigger) + ret = reset_deassert(&rst_sig); + else + ret = reset_assert(&rst_sig); + if (ret) { + dev_err(dev, "failed to trigger reset id = %ld\n", + rst_sig.id); + return ret; + } + } + + return ret; +} + /** * __prci_ddr_release_reset() - Release DDR reset * @pd: struct __prci_data * for the PRCI containing the DDRCLK mux reg @@ -535,19 +572,20 @@ static const struct __prci_clock_ops sifive_fu540_prci_tlclksel_clk_ops = { */ static void __prci_ddr_release_reset(struct __prci_data *pd) { - u32 v; - - v = __prci_readl(pd, PRCI_DEVICESRESETREG_OFFSET); - v |= PRCI_DEVICESRESETREG_DDR_CTRL_RST_N_MASK; - __prci_writel(v, PRCI_DEVICESRESETREG_OFFSET, pd); + /* Release DDR ctrl reset */ + __prci_consumer_reset("ddr_ctrl", true); /* HACK to get the '1 full controller clock cycle'. */ asm volatile ("fence"); - v = __prci_readl(pd, PRCI_DEVICESRESETREG_OFFSET); - v |= (PRCI_DEVICESRESETREG_DDR_AXI_RST_N_MASK | - PRCI_DEVICESRESETREG_DDR_AHB_RST_N_MASK | - PRCI_DEVICESRESETREG_DDR_PHY_RST_N_MASK); - __prci_writel(v, PRCI_DEVICESRESETREG_OFFSET, pd); + + /* Release DDR AXI reset */ + __prci_consumer_reset("ddr_axi", true); + + /* Release DDR AHB reset */ + __prci_consumer_reset("ddr_ahb", true); + + /* Release DDR PHY reset */ + __prci_consumer_reset("ddr_phy", true); /* HACK to get the '1 full controller clock cycle'. */ asm volatile ("fence"); @@ -567,12 +605,8 @@ static void __prci_ddr_release_reset(struct __prci_data *pd) */ static void __prci_ethernet_release_reset(struct __prci_data *pd) { - u32 v; - /* Release GEMGXL reset */ - v = __prci_readl(pd, PRCI_DEVICESRESETREG_OFFSET); - v |= PRCI_DEVICESRESETREG_GEMGXL_RST_N_MASK; - __prci_writel(v, PRCI_DEVICESRESETREG_OFFSET, pd); + __prci_consumer_reset("gemgxl_reset", true); /* Procmon => core clock */ __prci_writel(PRCI_PROCMONCFG_CORE_CLOCK_MASK, PRCI_PROCMONCFG_OFFSET, @@ -757,6 +791,11 @@ static struct clk_ops sifive_fu540_prci_ops = { .disable = sifive_fu540_prci_disable, }; +static int sifive_fu540_clk_bind(struct udevice *dev) +{ + return sifive_reset_bind(dev, PRCI_DEVICERESETCNT); +} + static const struct udevice_id sifive_fu540_prci_ids[] = { { .compatible = "sifive,fu540-c000-prci" }, { } @@ -769,4 +808,5 @@ U_BOOT_DRIVER(sifive_fu540_prci) = { .probe = sifive_fu540_prci_probe, .ops = &sifive_fu540_prci_ops, .priv_auto_alloc_size = sizeof(struct __prci_data), + .bind = sifive_fu540_clk_bind, }; diff --git a/drivers/fpga/socfpga_arria10.c b/drivers/fpga/socfpga_arria10.c index dfd3cbb461..44e1ac54c3 100644 --- a/drivers/fpga/socfpga_arria10.c +++ b/drivers/fpga/socfpga_arria10.c @@ -13,6 +13,7 @@ #include <altera.h> #include <asm/arch/pinmux.h> #include <common.h> +#include <dm.h> #include <dm/ofnode.h> #include <errno.h> #include <fs_loader.h> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index ff5cd7efce..11e9a17f97 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -346,6 +346,16 @@ config PIC32_GPIO help Say yes here to support Microchip PIC32 GPIOs. +config OCTEON_GPIO + bool "Octeon II/III/TX/TX2 GPIO driver" + depends on DM_GPIO && DM_PCI && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2) + default y + help + Add support for the Marvell Octeon GPIO driver. This is used with + various Octeon parts such as Octeon II/III and OcteonTX/TX2. + Octeon II/III has 32 GPIOs (count defined via DT) and OcteonTX/TX2 + has 64 GPIOs (count defined via internal register). + config STM32_GPIO bool "ST STM32 GPIO driver" depends on DM_GPIO && (ARCH_STM32 || ARCH_STM32MP) diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index e769509c69..d3d0d3cacf 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_HIKEY_GPIO) += hi6220_gpio.o obj-$(CONFIG_HSDK_CREG_GPIO) += hsdk-creg-gpio.o obj-$(CONFIG_IMX_RGPIO2P) += imx_rgpio2p.o obj-$(CONFIG_PIC32_GPIO) += pic32_gpio.o +obj-$(CONFIG_OCTEON_GPIO) += octeon_gpio.o obj-$(CONFIG_MVEBU_GPIO) += mvebu_gpio.o obj-$(CONFIG_MSM_GPIO) += msm_gpio.o obj-$(CONFIG_$(SPL_)PCF8575_GPIO) += pcf8575_gpio.o diff --git a/drivers/gpio/octeon_gpio.c b/drivers/gpio/octeon_gpio.c new file mode 100644 index 0000000000..45acaadcdb --- /dev/null +++ b/drivers/gpio/octeon_gpio.c @@ -0,0 +1,242 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 Marvell International Ltd. + * + * (C) Copyright 2011 + * eInfochips Ltd. <www.einfochips.com> + * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com> + * + * (C) Copyright 2010 + * Marvell Semiconductor <www.marvell.com> + */ + +#include <dm.h> +#include <pci.h> +#include <pci_ids.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <linux/bitfield.h> +#include <linux/compat.h> +#include <dt-bindings/gpio/gpio.h> + +/* Returns the bit value to write or read based on the offset */ +#define GPIO_BIT(x) BIT_ULL((x) & 0x3f) + +#define GPIO_RX_DAT 0x00 +#define GPIO_TX_SET 0x08 +#define GPIO_TX_CLR 0x10 +#define GPIO_CONST 0x90 /* OcteonTX only */ + +/* Offset to register-set for 2nd GPIOs (> 63), OcteonTX only */ +#define GPIO1_OFFSET 0x1400 + +/* GPIO_CONST register bits */ +#define GPIO_CONST_GPIOS_MASK GENMASK_ULL(7, 0) + +/* GPIO_BIT_CFG register bits */ +#define GPIO_BIT_CFG_TX_OE BIT_ULL(0) +#define GPIO_BIT_CFG_PIN_XOR BIT_ULL(1) +#define GPIO_BIT_CFG_INT_EN BIT_ULL(2) +#define GPIO_BIT_CFG_PIN_SEL_MASK GENMASK_ULL(26, 16) + +enum { + PROBE_PCI = 0, /* PCI based probing */ + PROBE_DT, /* DT based probing */ +}; + +struct octeon_gpio_data { + int probe; + u32 reg_offs; + u32 gpio_bit_cfg_offs; +}; + +struct octeon_gpio { + void __iomem *base; + const struct octeon_gpio_data *data; +}; + +/* Returns the offset to the output register based on the offset and value */ +static u32 gpio_tx_reg(int offset, int value) +{ + u32 ret; + + ret = value ? GPIO_TX_SET : GPIO_TX_CLR; + if (offset > 63) + ret += GPIO1_OFFSET; + + return ret; +} + +/* Returns the offset to the input data register based on the offset */ +static u32 gpio_rx_dat_reg(int offset) +{ + u32 ret; + + ret = GPIO_RX_DAT; + if (offset > 63) + ret += GPIO1_OFFSET; + + return ret; +} + +static int octeon_gpio_dir_input(struct udevice *dev, unsigned int offset) +{ + struct octeon_gpio *gpio = dev_get_priv(dev); + + debug("%s(%s, %u)\n", __func__, dev->name, offset); + clrbits_64(gpio->base + gpio->data->gpio_bit_cfg_offs + 8 * offset, + GPIO_BIT_CFG_TX_OE | GPIO_BIT_CFG_PIN_XOR | + GPIO_BIT_CFG_INT_EN | GPIO_BIT_CFG_PIN_SEL_MASK); + + return 0; +} + +static int octeon_gpio_dir_output(struct udevice *dev, unsigned int offset, + int value) +{ + struct octeon_gpio *gpio = dev_get_priv(dev); + + debug("%s(%s, %u, %d)\n", __func__, dev->name, offset, value); + writeq(GPIO_BIT(offset), gpio->base + gpio->data->reg_offs + + gpio_tx_reg(offset, value)); + + clrsetbits_64(gpio->base + gpio->data->gpio_bit_cfg_offs + 8 * offset, + GPIO_BIT_CFG_PIN_SEL_MASK | GPIO_BIT_CFG_INT_EN, + GPIO_BIT_CFG_TX_OE); + + return 0; +} + +static int octeon_gpio_get_value(struct udevice *dev, unsigned int offset) +{ + struct octeon_gpio *gpio = dev_get_priv(dev); + u64 reg = readq(gpio->base + gpio->data->reg_offs + + gpio_rx_dat_reg(offset)); + + debug("%s(%s, %u): value: %d\n", __func__, dev->name, offset, + !!(reg & GPIO_BIT(offset))); + + return !!(reg & GPIO_BIT(offset)); +} + +static int octeon_gpio_set_value(struct udevice *dev, + unsigned int offset, int value) +{ + struct octeon_gpio *gpio = dev_get_priv(dev); + + debug("%s(%s, %u, %d)\n", __func__, dev->name, offset, value); + writeq(GPIO_BIT(offset), gpio->base + gpio->data->reg_offs + + gpio_tx_reg(offset, value)); + + return 0; +} + +static int octeon_gpio_get_function(struct udevice *dev, unsigned int offset) +{ + struct octeon_gpio *gpio = dev_get_priv(dev); + u64 val = readq(gpio->base + gpio->data->gpio_bit_cfg_offs + + 8 * offset); + int pin_sel; + + debug("%s(%s, %u): GPIO_BIT_CFG: 0x%llx\n", __func__, dev->name, + offset, val); + pin_sel = FIELD_GET(GPIO_BIT_CFG_PIN_SEL_MASK, val); + if (pin_sel) + return GPIOF_FUNC; + else if (val & GPIO_BIT_CFG_TX_OE) + return GPIOF_OUTPUT; + else + return GPIOF_INPUT; +} + +static int octeon_gpio_xlate(struct udevice *dev, struct gpio_desc *desc, + struct ofnode_phandle_args *args) +{ + if (args->args_count < 1) + return -EINVAL; + + desc->offset = args->args[0]; + desc->flags = 0; + if (args->args_count > 1) { + if (args->args[1] & GPIO_ACTIVE_LOW) + desc->flags |= GPIOD_ACTIVE_LOW; + /* In the future add tri-state flag support */ + } + return 0; +} + +static const struct dm_gpio_ops octeon_gpio_ops = { + .direction_input = octeon_gpio_dir_input, + .direction_output = octeon_gpio_dir_output, + .get_value = octeon_gpio_get_value, + .set_value = octeon_gpio_set_value, + .get_function = octeon_gpio_get_function, + .xlate = octeon_gpio_xlate, +}; + +static int octeon_gpio_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); + struct octeon_gpio *priv = dev_get_priv(dev); + char *end; + + priv->data = (const struct octeon_gpio_data *)dev_get_driver_data(dev); + + if (priv->data->probe == PROBE_PCI) { + priv->base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, + PCI_REGION_MEM); + uc_priv->gpio_count = readq(priv->base + + priv->data->reg_offs + GPIO_CONST) & + GPIO_CONST_GPIOS_MASK; + } else { + priv->base = dev_remap_addr(dev); + uc_priv->gpio_count = ofnode_read_u32_default(dev->node, + "nr-gpios", 32); + } + + if (!priv->base) { + debug("%s(%s): Could not get base address\n", + __func__, dev->name); + return -ENODEV; + } + + uc_priv->bank_name = strdup(dev->name); + end = strchr(uc_priv->bank_name, '@'); + end[0] = 'A' + dev->seq; + end[1] = '\0'; + + debug("%s(%s): base address: %p, pin count: %d\n", + __func__, dev->name, priv->base, uc_priv->gpio_count); + + return 0; +} + +static const struct octeon_gpio_data gpio_octeon_data = { + .probe = PROBE_DT, + .reg_offs = 0x80, + .gpio_bit_cfg_offs = 0x100, +}; + +static const struct octeon_gpio_data gpio_octeontx_data = { + .probe = PROBE_PCI, + .reg_offs = 0x00, + .gpio_bit_cfg_offs = 0x400, +}; + +static const struct udevice_id octeon_gpio_ids[] = { + { .compatible = "cavium,thunder-8890-gpio", + .data = (ulong)&gpio_octeontx_data }, + { .compatible = "cavium,octeon-7890-gpio", + .data = (ulong)&gpio_octeon_data }, + { } +}; + +U_BOOT_DRIVER(octeon_gpio) = { + .name = "octeon_gpio", + .id = UCLASS_GPIO, + .of_match = of_match_ptr(octeon_gpio_ids), + .probe = octeon_gpio_probe, + .priv_auto_alloc_size = sizeof(struct octeon_gpio), + .ops = &octeon_gpio_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index f4eb655f6e..ff871f8252 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -15,7 +15,6 @@ #include <malloc.h> #include <mmc.h> #include <sdhci.h> -#include <dm.h> #include <asm/cache.h> #include <linux/bitops.h> #include <linux/delay.h> diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand_compat.c b/drivers/mtd/nand/raw/brcmnand/brcmnand_compat.c index c58679834e..a6acf556bc 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand_compat.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand_compat.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ #include <common.h> +#include <dm.h> #include <malloc.h> #include <dm/devres.h> #include "brcmnand_compat.h" diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand_compat.h b/drivers/mtd/nand/raw/brcmnand/brcmnand_compat.h index 6f9bec7085..52711d4978 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand_compat.h +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand_compat.h @@ -3,8 +3,8 @@ #ifndef __BRCMNAND_COMPAT_H #define __BRCMNAND_COMPAT_H -#include <clk.h> -#include <dm.h> +struct clk; +struct udevice; char *devm_kasprintf(struct udevice *dev, gfp_t gfp, const char *fmt, ...); diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile index 952fd1e45a..99cc418552 100644 --- a/drivers/mtd/spi/Makefile +++ b/drivers/mtd/spi/Makefile @@ -8,7 +8,7 @@ spi-nor-y := sf_probe.o spi-nor-ids.o ifdef CONFIG_SPL_BUILD obj-$(CONFIG_SPL_SPI_BOOT) += fsl_espi_spl.o -ifeq ($(CONFIG_SPL_SPI_FLASH_TINY),y) +ifeq ($(CONFIG_$(SPL_TPL_)SPI_FLASH_TINY),y) spi-nor-y += spi-nor-tiny.o else spi-nor-y += spi-nor-core.o diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 475f6c31db..b959e3453a 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -119,7 +119,7 @@ static int spi_flash_std_erase(struct udevice *dev, u32 offset, size_t len) struct erase_info instr; if (offset % mtd->erasesize || len % mtd->erasesize) { - printf("SF: Erase offset/length not multiple of erase size\n"); + debug("SF: Erase offset/length not multiple of erase size\n"); return -EINVAL; } diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index fdcd830ce4..0113e70037 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -2470,7 +2470,7 @@ static int spi_nor_init(struct spi_nor *nor) * designer) that this is bad. */ if (nor->flags & SNOR_F_BROKEN_RESET) - printf("enabling reset hack; may not recover from unexpected reboots\n"); + debug("enabling reset hack; may not recover from unexpected reboots\n"); set_4byte(nor, nor->info, 1); } diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c index 9f676c649d..fa26ea33c8 100644 --- a/drivers/mtd/spi/spi-nor-tiny.c +++ b/drivers/mtd/spi/spi-nor-tiny.c @@ -377,7 +377,7 @@ static const struct flash_info *spi_nor_read_id(struct spi_nor *nor) } dev_dbg(nor->dev, "unrecognized JEDEC id bytes: %02x, %02x, %02x\n", id[0], id[1], id[2]); - return ERR_PTR(-ENODEV); + return ERR_PTR(-EMEDIUMTYPE); } static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len, @@ -733,7 +733,7 @@ int spi_nor_scan(struct spi_nor *nor) info = spi_nor_read_id(nor); if (IS_ERR_OR_NULL(info)) - return -ENOENT; + return PTR_ERR(info); /* Parse the Serial Flash Discoverable Parameters table. */ ret = spi_nor_init_params(nor, info, ¶ms); if (ret) diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c index 559560860b..ad5ac6618f 100644 --- a/drivers/net/pcnet.c +++ b/drivers/net/pcnet.c @@ -10,7 +10,6 @@ #include <cpu_func.h> #include <dm.h> #include <log.h> -#include <dm.h> #include <malloc.h> #include <memalign.h> #include <net.h> diff --git a/drivers/pci/pcie_layerscape.h b/drivers/pci/pcie_layerscape.h index 593798e3e3..0124e8e051 100644 --- a/drivers/pci/pcie_layerscape.h +++ b/drivers/pci/pcie_layerscape.h @@ -8,7 +8,7 @@ #ifndef _PCIE_LAYERSCAPE_H_ #define _PCIE_LAYERSCAPE_H_ #include <pci.h> -#include <dm.h> + #include <linux/sizes.h> #ifndef CONFIG_SYS_PCI_MEMORY_BUS diff --git a/drivers/pci/pcie_layerscape_fixup.c b/drivers/pci/pcie_layerscape_fixup.c index 94de4edaf4..8315b0b590 100644 --- a/drivers/pci/pcie_layerscape_fixup.c +++ b/drivers/pci/pcie_layerscape_fixup.c @@ -6,6 +6,7 @@ */ #include <common.h> +#include <dm.h> #include <init.h> #include <log.h> #include <pci.h> diff --git a/drivers/pci/pcie_layerscape_gen4.h b/drivers/pci/pcie_layerscape_gen4.h index d298a2b810..483eb538b5 100644 --- a/drivers/pci/pcie_layerscape_gen4.h +++ b/drivers/pci/pcie_layerscape_gen4.h @@ -9,7 +9,6 @@ #ifndef _PCIE_LAYERSCAPE_GEN4_H_ #define _PCIE_LAYERSCAPE_GEN4_H_ #include <pci.h> -#include <dm.h> #include <linux/bitops.h> #ifndef CONFIG_SYS_PCI_MEMORY_SIZE diff --git a/drivers/pci/pcie_layerscape_gen4_fixup.c b/drivers/pci/pcie_layerscape_gen4_fixup.c index 375ce45839..148b5d17ed 100644 --- a/drivers/pci/pcie_layerscape_gen4_fixup.c +++ b/drivers/pci/pcie_layerscape_gen4_fixup.c @@ -8,6 +8,7 @@ */ #include <common.h> +#include <dm.h> #include <log.h> #include <pci.h> #include <asm/arch/fsl_serdes.h> diff --git a/drivers/power/regulator/fixed.c b/drivers/power/regulator/fixed.c index b5f7aec353..2fa6c7e6b2 100644 --- a/drivers/power/regulator/fixed.c +++ b/drivers/power/regulator/fixed.c @@ -5,7 +5,6 @@ * Przemyslaw Marczak <p.marczak@samsung.com> */ -#include "regulator_common.h" #include <common.h> #include <errno.h> #include <dm.h> @@ -13,6 +12,8 @@ #include <power/pmic.h> #include <power/regulator.h> +#include "regulator_common.h" + static int fixed_regulator_ofdata_to_platdata(struct udevice *dev) { struct dm_regulator_uclass_platdata *uc_pdata; diff --git a/drivers/power/regulator/gpio-regulator.c b/drivers/power/regulator/gpio-regulator.c index cf3fbae79d..947f812d09 100644 --- a/drivers/power/regulator/gpio-regulator.c +++ b/drivers/power/regulator/gpio-regulator.c @@ -4,7 +4,6 @@ * Keerthy <j-keerthy@ti.com> */ -#include "regulator_common.h" #include <common.h> #include <fdtdec.h> #include <errno.h> @@ -15,6 +14,8 @@ #include <power/pmic.h> #include <power/regulator.h> +#include "regulator_common.h" + #define GPIO_REGULATOR_MAX_STATES 2 DECLARE_GLOBAL_DATA_PTR; diff --git a/drivers/power/regulator/regulator_common.c b/drivers/power/regulator/regulator_common.c index 4cfcc31298..13906b9c6e 100644 --- a/drivers/power/regulator/regulator_common.c +++ b/drivers/power/regulator/regulator_common.c @@ -4,12 +4,14 @@ * Sven Schwermer <sven.svenschwermer@disruptive-technologies.com> */ -#include "regulator_common.h" #include <common.h> +#include <dm.h> #include <log.h> #include <linux/delay.h> #include <power/regulator.h> +#include "regulator_common.h" + int regulator_common_ofdata_to_platdata(struct udevice *dev, struct regulator_common_platdata *dev_pdata, const char *enable_gpio_name) { diff --git a/drivers/power/regulator/regulator_common.h b/drivers/power/regulator/regulator_common.h index 18a525880a..bf80439c78 100644 --- a/drivers/power/regulator/regulator_common.h +++ b/drivers/power/regulator/regulator_common.h @@ -7,9 +7,7 @@ #ifndef _REGULATOR_COMMON_H #define _REGULATOR_COMMON_H -#include <common.h> #include <asm/gpio.h> -#include <dm.h> struct regulator_common_platdata { struct gpio_desc gpio; /* GPIO for regulator enable control */ diff --git a/drivers/ram/k3-am654-ddrss.c b/drivers/ram/k3-am654-ddrss.c index 8bbd8cfa83..21e5a65529 100644 --- a/drivers/ram/k3-am654-ddrss.c +++ b/drivers/ram/k3-am654-ddrss.c @@ -13,7 +13,6 @@ #include <ram.h> #include <asm/io.h> #include <power-domain.h> -#include <dm.h> #include <asm/arch/sys_proto.h> #include <dm/device_compat.h> #include <power/regulator.h> diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 6d53561223..253902ff57 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -148,6 +148,15 @@ config RESET_IMX7 help Support for reset controller on i.MX7/8 SoCs. +config RESET_SIFIVE + bool "Reset Driver for SiFive SoC's" + depends on DM_RESET && CLK_SIFIVE_FU540_PRCI && TARGET_SIFIVE_FU540 + default y + help + PRCI module within SiFive SoC's provides mechanism to reset + different hw blocks like DDR, gemgxl. With this driver we leverage + U-Boot's reset framework to reset these hardware blocks. + config RESET_SYSCON bool "Enable generic syscon reset driver support" depends on DM_RESET diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 8e0124b8de..3c7f066ae3 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -23,5 +23,6 @@ obj-$(CONFIG_RESET_MTMIPS) += reset-mtmips.o obj-$(CONFIG_RESET_SUNXI) += reset-sunxi.o obj-$(CONFIG_RESET_HISILICON) += reset-hisilicon.o obj-$(CONFIG_RESET_IMX7) += reset-imx7.o +obj-$(CONFIG_RESET_SIFIVE) += reset-sifive.o obj-$(CONFIG_RESET_SYSCON) += reset-syscon.o obj-$(CONFIG_RESET_RASPBERRYPI) += reset-raspberrypi.o diff --git a/drivers/reset/reset-sifive.c b/drivers/reset/reset-sifive.c new file mode 100644 index 0000000000..527757f853 --- /dev/null +++ b/drivers/reset/reset-sifive.c @@ -0,0 +1,118 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Sifive, Inc. + * Author: Sagar Kadam <sagar.kadam@sifive.com> + */ + +#include <common.h> +#include <dm.h> +#include <reset-uclass.h> +#include <asm/io.h> +#include <dm/device_compat.h> +#include <dm/lists.h> +#include <linux/bitops.h> + +#define PRCI_RESETREG_OFFSET 0x28 + +struct sifive_reset_priv { + void *base; + /* number of reset signals */ + int nr_reset; +}; + +static int sifive_rst_trigger(struct reset_ctl *rst, bool level) +{ + struct sifive_reset_priv *priv = dev_get_priv(rst->dev); + int id = rst->id; + int regval = readl(priv->base + PRCI_RESETREG_OFFSET); + + /* Derive bitposition from rst id */ + if (level) + /* Reset deassert */ + regval |= BIT(id); + else + /* Reset assert */ + regval &= ~BIT(id); + + writel(regval, priv->base + PRCI_RESETREG_OFFSET); + + return 0; +} + +static int sifive_reset_assert(struct reset_ctl *rst) +{ + return sifive_rst_trigger(rst, false); +} + +static int sifive_reset_deassert(struct reset_ctl *rst) +{ + return sifive_rst_trigger(rst, true); +} + +static int sifive_reset_request(struct reset_ctl *rst) +{ + struct sifive_reset_priv *priv = dev_get_priv(rst->dev); + + debug("%s(rst=%p) (dev=%p, id=%lu) (nr_reset=%d)\n", __func__, + rst, rst->dev, rst->id, priv->nr_reset); + + if (rst->id > priv->nr_reset) + return -EINVAL; + + return 0; +} + +static int sifive_reset_free(struct reset_ctl *rst) +{ + struct sifive_reset_priv *priv = dev_get_priv(rst->dev); + + debug("%s(rst=%p) (dev=%p, id=%lu) (nr_reset=%d)\n", __func__, + rst, rst->dev, rst->id, priv->nr_reset); + + return 0; +} + +static int sifive_reset_probe(struct udevice *dev) +{ + struct sifive_reset_priv *priv = dev_get_priv(dev); + + priv->base = dev_remap_addr(dev); + if (!priv->base) + return -ENOMEM; + + return 0; +} + +int sifive_reset_bind(struct udevice *dev, ulong count) +{ + struct udevice *rst_dev; + struct sifive_reset_priv *priv; + int ret; + + ret = device_bind_driver_to_node(dev, "sifive-reset", "reset", + dev_ofnode(dev), &rst_dev); + if (ret) { + dev_err(dev, "failed to bind sifive_reset driver (ret=%d)\n", ret); + return ret; + } + priv = malloc(sizeof(struct sifive_reset_priv)); + priv->nr_reset = count; + rst_dev->priv = priv; + + return 0; +} + +const struct reset_ops sifive_reset_ops = { + .request = sifive_reset_request, + .rfree = sifive_reset_free, + .rst_assert = sifive_reset_assert, + .rst_deassert = sifive_reset_deassert, +}; + +U_BOOT_DRIVER(sifive_reset) = { + .name = "sifive-reset", + .id = UCLASS_RESET, + .ops = &sifive_reset_ops, + .probe = sifive_reset_probe, + .priv_auto_alloc_size = sizeof(struct sifive_reset_priv), +}; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 30d808d7bb..3fc2d0674a 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -240,6 +240,14 @@ config NXP_FSPI Enable the NXP FlexSPI (FSPI) driver. This driver can be used to access the SPI NOR flash on platforms embedding this NXP IP core. +config OCTEON_SPI + bool "Octeon SPI driver" + depends on DM_PCI && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2) + help + Enable the Octeon SPI driver. This driver can be used to + access the SPI NOR flash on Octeon II/III and OcteonTX/TX2 + SoC platforms. + config OMAP3_SPI bool "McSPI driver for OMAP" help diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 4e7461771f..b5c9ff1af8 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_MXC_SPI) += mxc_spi.o obj-$(CONFIG_MXS_SPI) += mxs_spi.o obj-$(CONFIG_NXP_FSPI) += nxp_fspi.o obj-$(CONFIG_ATCSPI200_SPI) += atcspi200_spi.o +obj-$(CONFIG_OCTEON_SPI) += octeon_spi.o obj-$(CONFIG_OMAP3_SPI) += omap3_spi.o obj-$(CONFIG_PIC32_SPI) += pic32_spi.o obj-$(CONFIG_PL022_SPI) += pl022_spi.o diff --git a/drivers/spi/mscc_bb_spi.c b/drivers/spi/mscc_bb_spi.c index 0454410ee9..e77447b655 100644 --- a/drivers/spi/mscc_bb_spi.c +++ b/drivers/spi/mscc_bb_spi.c @@ -11,7 +11,6 @@ #include <log.h> #include <malloc.h> #include <spi.h> -#include <dm.h> #include <asm/gpio.h> #include <asm/io.h> #include <linux/bitops.h> diff --git a/drivers/spi/octeon_spi.c b/drivers/spi/octeon_spi.c new file mode 100644 index 0000000000..83fe6330a1 --- /dev/null +++ b/drivers/spi/octeon_spi.c @@ -0,0 +1,613 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 Marvell International Ltd. + */ + +#include <clk.h> +#include <dm.h> +#include <malloc.h> +#include <spi.h> +#include <spi-mem.h> +#include <watchdog.h> +#include <asm/io.h> +#include <asm/unaligned.h> +#include <linux/bitfield.h> +#include <linux/compat.h> +#include <linux/delay.h> + +#define OCTEON_SPI_MAX_BYTES 9 +#define OCTEON_SPI_MAX_CLOCK_HZ 50000000 + +#define OCTEON_SPI_NUM_CS 4 + +#define OCTEON_SPI_CS_VALID(cs) ((cs) < OCTEON_SPI_NUM_CS) + +#define MPI_CFG 0x0000 +#define MPI_STS 0x0008 +#define MPI_TX 0x0010 +#define MPI_XMIT 0x0018 +#define MPI_WIDE_DAT 0x0040 +#define MPI_IO_CTL 0x0048 +#define MPI_DAT(X) (0x0080 + ((X) << 3)) +#define MPI_WIDE_BUF(X) (0x0800 + ((X) << 3)) +#define MPI_CYA_CFG 0x1000 +#define MPI_CLKEN 0x1080 + +#define MPI_CFG_ENABLE BIT_ULL(0) +#define MPI_CFG_IDLELO BIT_ULL(1) +#define MPI_CFG_CLK_CONT BIT_ULL(2) +#define MPI_CFG_WIREOR BIT_ULL(3) +#define MPI_CFG_LSBFIRST BIT_ULL(4) +#define MPI_CFG_CS_STICKY BIT_ULL(5) +#define MPI_CFG_CSHI BIT_ULL(7) +#define MPI_CFG_IDLECLKS GENMASK_ULL(9, 8) +#define MPI_CFG_TRITX BIT_ULL(10) +#define MPI_CFG_CSLATE BIT_ULL(11) +#define MPI_CFG_CSENA0 BIT_ULL(12) +#define MPI_CFG_CSENA1 BIT_ULL(13) +#define MPI_CFG_CSENA2 BIT_ULL(14) +#define MPI_CFG_CSENA3 BIT_ULL(15) +#define MPI_CFG_CLKDIV GENMASK_ULL(28, 16) +#define MPI_CFG_LEGACY_DIS BIT_ULL(31) +#define MPI_CFG_IOMODE GENMASK_ULL(35, 34) +#define MPI_CFG_TB100_EN BIT_ULL(49) + +#define MPI_DAT_DATA GENMASK_ULL(7, 0) + +#define MPI_STS_BUSY BIT_ULL(0) +#define MPI_STS_MPI_INTR BIT_ULL(1) +#define MPI_STS_RXNUM GENMASK_ULL(12, 8) + +#define MPI_TX_TOTNUM GENMASK_ULL(4, 0) +#define MPI_TX_TXNUM GENMASK_ULL(12, 8) +#define MPI_TX_LEAVECS BIT_ULL(16) +#define MPI_TX_CSID GENMASK_ULL(21, 20) + +#define MPI_XMIT_TOTNUM GENMASK_ULL(10, 0) +#define MPI_XMIT_TXNUM GENMASK_ULL(30, 20) +#define MPI_XMIT_BUF_SEL BIT_ULL(59) +#define MPI_XMIT_LEAVECS BIT_ULL(60) +#define MPI_XMIT_CSID GENMASK_ULL(62, 61) + +/* Used on Octeon TX2 */ +void board_acquire_flash_arb(bool acquire); + +/* Local driver data structure */ +struct octeon_spi { + void __iomem *base; /* Register base address */ + struct clk clk; + u32 clkdiv; /* Clock divisor for device speed */ +}; + +static u64 octeon_spi_set_mpicfg(struct udevice *dev) +{ + struct dm_spi_slave_platdata *slave = dev_get_parent_platdata(dev); + struct udevice *bus = dev_get_parent(dev); + struct octeon_spi *priv = dev_get_priv(bus); + u64 mpi_cfg; + uint max_speed = slave->max_hz; + bool cpha, cpol; + + if (!max_speed) + max_speed = 12500000; + if (max_speed > OCTEON_SPI_MAX_CLOCK_HZ) + max_speed = OCTEON_SPI_MAX_CLOCK_HZ; + + debug("\n slave params %d %d %d\n", slave->cs, + slave->max_hz, slave->mode); + cpha = !!(slave->mode & SPI_CPHA); + cpol = !!(slave->mode & SPI_CPOL); + + mpi_cfg = FIELD_PREP(MPI_CFG_CLKDIV, priv->clkdiv & 0x1fff) | + FIELD_PREP(MPI_CFG_CSHI, !!(slave->mode & SPI_CS_HIGH)) | + FIELD_PREP(MPI_CFG_LSBFIRST, !!(slave->mode & SPI_LSB_FIRST)) | + FIELD_PREP(MPI_CFG_WIREOR, !!(slave->mode & SPI_3WIRE)) | + FIELD_PREP(MPI_CFG_IDLELO, cpha != cpol) | + FIELD_PREP(MPI_CFG_CSLATE, cpha) | + MPI_CFG_CSENA0 | MPI_CFG_CSENA1 | + MPI_CFG_CSENA2 | MPI_CFG_CSENA1 | + MPI_CFG_ENABLE; + + debug("\n mpi_cfg %llx\n", mpi_cfg); + return mpi_cfg; +} + +/** + * Wait until the SPI bus is ready + * + * @param dev SPI device to wait for + */ +static void octeon_spi_wait_ready(struct udevice *dev) +{ + struct udevice *bus = dev_get_parent(dev); + struct octeon_spi *priv = dev_get_priv(bus); + void *base = priv->base; + u64 mpi_sts; + + do { + mpi_sts = readq(base + MPI_STS); + WATCHDOG_RESET(); + } while (mpi_sts & MPI_STS_BUSY); + + debug("%s(%s)\n", __func__, dev->name); +} + +/** + * Claim the bus for a slave device + * + * @param dev SPI bus + * + * @return 0 for success, -EINVAL if chip select is invalid + */ +static int octeon_spi_claim_bus(struct udevice *dev) +{ + struct udevice *bus = dev_get_parent(dev); + struct octeon_spi *priv = dev_get_priv(bus); + void *base = priv->base; + u64 mpi_cfg; + + debug("\n\n%s(%s)\n", __func__, dev->name); + if (!OCTEON_SPI_CS_VALID(spi_chip_select(dev))) + return -EINVAL; + + if (IS_ENABLED(CONFIG_ARCH_OCTEONTX2)) + board_acquire_flash_arb(true); + + mpi_cfg = readq(base + MPI_CFG); + mpi_cfg &= ~MPI_CFG_TRITX; + mpi_cfg |= MPI_CFG_ENABLE; + writeq(mpi_cfg, base + MPI_CFG); + mpi_cfg = readq(base + MPI_CFG); + udelay(5); /** Wait for bus to settle */ + + return 0; +} + +/** + * Release the bus to a slave device + * + * @param dev SPI bus + * + * @return 0 for success, -EINVAL if chip select is invalid + */ +static int octeon_spi_release_bus(struct udevice *dev) +{ + struct udevice *bus = dev_get_parent(dev); + struct octeon_spi *priv = dev_get_priv(bus); + void *base = priv->base; + u64 mpi_cfg; + + debug("%s(%s)\n\n", __func__, dev->name); + if (!OCTEON_SPI_CS_VALID(spi_chip_select(dev))) + return -EINVAL; + + if (IS_ENABLED(CONFIG_ARCH_OCTEONTX2)) + board_acquire_flash_arb(false); + + mpi_cfg = readq(base + MPI_CFG); + mpi_cfg &= ~MPI_CFG_ENABLE; + writeq(mpi_cfg, base + MPI_CFG); + mpi_cfg = readq(base + MPI_CFG); + udelay(1); + + return 0; +} + +static int octeon_spi_xfer(struct udevice *dev, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) +{ + struct udevice *bus = dev_get_parent(dev); + struct octeon_spi *priv = dev_get_priv(bus); + void *base = priv->base; + u64 mpi_tx; + u64 mpi_cfg; + u64 wide_dat = 0; + int len = bitlen / 8; + int i; + const u8 *tx_data = dout; + u8 *rx_data = din; + int cs = spi_chip_select(dev); + + if (!OCTEON_SPI_CS_VALID(cs)) + return -EINVAL; + + debug("\n %s(%s, %u, %p, %p, 0x%lx), cs: %d\n", + __func__, dev->name, bitlen, dout, din, flags, cs); + + mpi_cfg = octeon_spi_set_mpicfg(dev); + if (mpi_cfg != readq(base + MPI_CFG)) { + writeq(mpi_cfg, base + MPI_CFG); + mpi_cfg = readq(base + MPI_CFG); + udelay(10); + } + + debug("\n mpi_cfg upd %llx\n", mpi_cfg); + + /* + * Start by writing and reading 8 bytes at a time. While we can support + * up to 10, it's easier to just use 8 with the MPI_WIDE_DAT register. + */ + while (len > 8) { + if (tx_data) { + wide_dat = get_unaligned((u64 *)tx_data); + debug(" tx: %016llx \t", (unsigned long long)wide_dat); + tx_data += 8; + writeq(wide_dat, base + MPI_WIDE_DAT); + } + + mpi_tx = FIELD_PREP(MPI_TX_CSID, cs) | + FIELD_PREP(MPI_TX_LEAVECS, 1) | + FIELD_PREP(MPI_TX_TXNUM, tx_data ? 8 : 0) | + FIELD_PREP(MPI_TX_TOTNUM, 8); + writeq(mpi_tx, base + MPI_TX); + + octeon_spi_wait_ready(dev); + + debug("\n "); + + if (rx_data) { + wide_dat = readq(base + MPI_WIDE_DAT); + debug(" rx: %016llx\t", (unsigned long long)wide_dat); + *(u64 *)rx_data = wide_dat; + rx_data += 8; + } + len -= 8; + } + + debug("\n "); + + /* Write and read the rest of the data */ + if (tx_data) { + for (i = 0; i < len; i++) { + debug(" tx: %02x\n", *tx_data); + writeq(*tx_data++, base + MPI_DAT(i)); + } + } + + mpi_tx = FIELD_PREP(MPI_TX_CSID, cs) | + FIELD_PREP(MPI_TX_LEAVECS, !(flags & SPI_XFER_END)) | + FIELD_PREP(MPI_TX_TXNUM, tx_data ? len : 0) | + FIELD_PREP(MPI_TX_TOTNUM, len); + writeq(mpi_tx, base + MPI_TX); + + octeon_spi_wait_ready(dev); + + debug("\n "); + + if (rx_data) { + for (i = 0; i < len; i++) { + *rx_data = readq(base + MPI_DAT(i)) & 0xff; + debug(" rx: %02x\n", *rx_data); + rx_data++; + } + } + + return 0; +} + +static int octeontx2_spi_xfer(struct udevice *dev, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) +{ + struct udevice *bus = dev_get_parent(dev); + struct octeon_spi *priv = dev_get_priv(bus); + void *base = priv->base; + u64 mpi_xmit; + u64 mpi_cfg; + u64 wide_dat = 0; + int len = bitlen / 8; + int rem; + int i; + const u8 *tx_data = dout; + u8 *rx_data = din; + int cs = spi_chip_select(dev); + + if (!OCTEON_SPI_CS_VALID(cs)) + return -EINVAL; + + debug("\n %s(%s, %u, %p, %p, 0x%lx), cs: %d\n", + __func__, dev->name, bitlen, dout, din, flags, cs); + + mpi_cfg = octeon_spi_set_mpicfg(dev); + + mpi_cfg |= MPI_CFG_TRITX | MPI_CFG_LEGACY_DIS | MPI_CFG_CS_STICKY | + MPI_CFG_TB100_EN; + + mpi_cfg &= ~MPI_CFG_IOMODE; + if (flags & (SPI_TX_DUAL | SPI_RX_DUAL)) + mpi_cfg |= FIELD_PREP(MPI_CFG_IOMODE, 2); + if (flags & (SPI_TX_QUAD | SPI_RX_QUAD)) + mpi_cfg |= FIELD_PREP(MPI_CFG_IOMODE, 3); + + if (mpi_cfg != readq(base + MPI_CFG)) { + writeq(mpi_cfg, base + MPI_CFG); + mpi_cfg = readq(base + MPI_CFG); + udelay(10); + } + + debug("\n mpi_cfg upd %llx\n\n", mpi_cfg); + + /* Start by writing or reading 1024 bytes at a time. */ + while (len > 1024) { + if (tx_data) { + /* 8 bytes per iteration */ + for (i = 0; i < 128; i++) { + wide_dat = get_unaligned((u64 *)tx_data); + debug(" tx: %016llx \t", + (unsigned long long)wide_dat); + if ((i % 4) == 3) + debug("\n"); + tx_data += 8; + writeq(wide_dat, base + MPI_WIDE_BUF(i)); + } + } + + mpi_xmit = FIELD_PREP(MPI_XMIT_CSID, cs) | MPI_XMIT_LEAVECS | + FIELD_PREP(MPI_XMIT_TXNUM, tx_data ? 1024 : 0) | + FIELD_PREP(MPI_XMIT_TOTNUM, 1024); + writeq(mpi_xmit, base + MPI_XMIT); + + octeon_spi_wait_ready(dev); + + debug("\n "); + + if (rx_data) { + /* 8 bytes per iteration */ + for (i = 0; i < 128; i++) { + wide_dat = readq(base + MPI_WIDE_BUF(i)); + debug(" rx: %016llx\t", + (unsigned long long)wide_dat); + if ((i % 4) == 3) + debug("\n"); + *(u64 *)rx_data = wide_dat; + rx_data += 8; + } + } + len -= 1024; + } + + if (tx_data) { + rem = len % 8; + /* 8 bytes per iteration */ + for (i = 0; i < len / 8; i++) { + wide_dat = get_unaligned((u64 *)tx_data); + debug(" tx: %016llx \t", + (unsigned long long)wide_dat); + if ((i % 4) == 3) + debug("\n"); + tx_data += 8; + writeq(wide_dat, base + MPI_WIDE_BUF(i)); + } + if (rem) { + memcpy(&wide_dat, tx_data, rem); + debug(" rtx: %016llx\t", wide_dat); + writeq(wide_dat, base + MPI_WIDE_BUF(i)); + } + } + + mpi_xmit = FIELD_PREP(MPI_XMIT_CSID, cs) | + FIELD_PREP(MPI_XMIT_LEAVECS, !(flags & SPI_XFER_END)) | + FIELD_PREP(MPI_XMIT_TXNUM, tx_data ? len : 0) | + FIELD_PREP(MPI_XMIT_TOTNUM, len); + writeq(mpi_xmit, base + MPI_XMIT); + + octeon_spi_wait_ready(dev); + + debug("\n "); + + if (rx_data) { + rem = len % 8; + /* 8 bytes per iteration */ + for (i = 0; i < len / 8; i++) { + wide_dat = readq(base + MPI_WIDE_BUF(i)); + debug(" rx: %016llx\t", + (unsigned long long)wide_dat); + if ((i % 4) == 3) + debug("\n"); + *(u64 *)rx_data = wide_dat; + rx_data += 8; + } + if (rem) { + wide_dat = readq(base + MPI_WIDE_BUF(i)); + debug(" rrx: %016llx\t", + (unsigned long long)wide_dat); + memcpy(rx_data, &wide_dat, rem); + rx_data += rem; + } + } + + return 0; +} + +static bool octeon_spi_supports_op(struct spi_slave *slave, + const struct spi_mem_op *op) +{ + /* For now, support only below combinations + * 1-1-1 + * 1-1-2 1-2-2 + * 1-1-4 1-4-4 + */ + if (op->cmd.buswidth != 1) + return false; + return true; +} + +static int octeon_spi_exec_op(struct spi_slave *slave, + const struct spi_mem_op *op) +{ + unsigned long flags = SPI_XFER_BEGIN; + const void *tx; + void *rx; + u8 opcode, *buf; + u8 *addr; + int i, temp, ret; + + if (op->cmd.buswidth != 1) + return -ENOTSUPP; + + /* Send CMD */ + i = 0; + opcode = op->cmd.opcode; + + if (!op->data.nbytes && !op->addr.nbytes && !op->dummy.nbytes) + flags |= SPI_XFER_END; + + ret = octeontx2_spi_xfer(slave->dev, 8, (void *)&opcode, NULL, flags); + if (ret < 0) + return ret; + + /* Send Address and dummy */ + if (op->addr.nbytes) { + /* Alloc buffer for address+dummy */ + buf = (u8 *)calloc(1, op->addr.nbytes + op->dummy.nbytes); + if (!buf) { + printf("%s Out of memory\n", __func__); + return -ENOMEM; + } + addr = (u8 *)&op->addr.val; + for (temp = 0; temp < op->addr.nbytes; temp++) + buf[i++] = *(u8 *)(addr + op->addr.nbytes - 1 - temp); + for (temp = 0; temp < op->dummy.nbytes; temp++) + buf[i++] = 0xff; + if (op->addr.buswidth == 2) + flags |= SPI_RX_DUAL; + if (op->addr.buswidth == 4) + flags |= SPI_RX_QUAD; + + if (!op->data.nbytes) + flags |= SPI_XFER_END; + ret = octeontx2_spi_xfer(slave->dev, i * 8, (void *)buf, NULL, + flags); + free(buf); + if (ret < 0) + return ret; + } + if (!op->data.nbytes) + return 0; + + /* Send/Receive Data */ + flags |= SPI_XFER_END; + if (op->data.buswidth == 2) + flags |= SPI_RX_DUAL; + if (op->data.buswidth == 4) + flags |= SPI_RX_QUAD; + + rx = (op->data.dir == SPI_MEM_DATA_IN) ? op->data.buf.in : NULL; + tx = (op->data.dir == SPI_MEM_DATA_OUT) ? op->data.buf.out : NULL; + + ret = octeontx2_spi_xfer(slave->dev, (op->data.nbytes * 8), tx, rx, + flags); + return ret; +} + +static const struct spi_controller_mem_ops octeontx2_spi_mem_ops = { + .supports_op = octeon_spi_supports_op, + .exec_op = octeon_spi_exec_op, +}; + +/** + * Set the speed of the SPI bus + * + * @param bus bus to set + * @param max_hz maximum speed supported + */ +static int octeon_spi_set_speed(struct udevice *bus, uint max_hz) +{ + struct octeon_spi *priv = dev_get_priv(bus); + ulong clk_rate; + u32 calc_hz; + + if (max_hz > OCTEON_SPI_MAX_CLOCK_HZ) + max_hz = OCTEON_SPI_MAX_CLOCK_HZ; + + clk_rate = clk_get_rate(&priv->clk); + if (IS_ERR_VALUE(clk_rate)) + return -EINVAL; + + debug("%s(%s, %u, %lu)\n", __func__, bus->name, max_hz, clk_rate); + + priv->clkdiv = clk_rate / (2 * max_hz); + while (1) { + calc_hz = clk_rate / (2 * priv->clkdiv); + if (calc_hz <= max_hz) + break; + priv->clkdiv += 1; + } + + if (priv->clkdiv > 8191) + return -EINVAL; + + debug("%s: clkdiv=%d\n", __func__, priv->clkdiv); + + return 0; +} + +static int octeon_spi_set_mode(struct udevice *bus, uint mode) +{ + /* We don't set it here */ + return 0; +} + +static struct dm_spi_ops octeon_spi_ops = { + .claim_bus = octeon_spi_claim_bus, + .release_bus = octeon_spi_release_bus, + .set_speed = octeon_spi_set_speed, + .set_mode = octeon_spi_set_mode, + .xfer = octeon_spi_xfer, +}; + +static int octeon_spi_probe(struct udevice *dev) +{ + struct octeon_spi *priv = dev_get_priv(dev); + int ret; + + /* Octeon TX & TX2 use PCI based probing */ + if (device_is_compatible(dev, "cavium,thunder-8190-spi")) { + pci_dev_t bdf = dm_pci_get_bdf(dev); + + debug("SPI PCI device: %x\n", bdf); + priv->base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, + PCI_REGION_MEM); + /* Add base offset */ + priv->base += 0x1000; + + /* + * Octeon TX2 needs a different xfer function and supports + * mem_ops + */ + if (device_is_compatible(dev, "cavium,thunderx-spi")) { + octeon_spi_ops.xfer = octeontx2_spi_xfer; + octeon_spi_ops.mem_ops = &octeontx2_spi_mem_ops; + } + } else { + priv->base = dev_remap_addr(dev); + } + + ret = clk_get_by_index(dev, 0, &priv->clk); + if (ret < 0) + return ret; + + ret = clk_enable(&priv->clk); + if (ret) + return ret; + + debug("SPI bus %s %d at %p\n", dev->name, dev->seq, priv->base); + + return 0; +} + +static const struct udevice_id octeon_spi_ids[] = { + /* MIPS Octeon */ + { .compatible = "cavium,octeon-3010-spi" }, + /* ARM Octeon TX / TX2 */ + { .compatible = "cavium,thunder-8190-spi" }, + { } +}; + +U_BOOT_DRIVER(octeon_spi) = { + .name = "spi_octeon", + .id = UCLASS_SPI, + .of_match = octeon_spi_ids, + .probe = octeon_spi_probe, + .priv_auto_alloc_size = sizeof(struct octeon_spi), + .ops = &octeon_spi_ops, +}; diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index d344701aeb..c095ae9505 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -13,9 +13,14 @@ #include <linux/pm_runtime.h> #include "internals.h" #else -#include <dm/device_compat.h> +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <malloc.h> +#include <spi.h> #include <spi.h> #include <spi-mem.h> +#include <dm/device_compat.h> #endif #ifndef __UBOOT__ diff --git a/drivers/spi/spi-sifive.c b/drivers/spi/spi-sifive.c index 0e0ce25abb..c7345d9042 100644 --- a/drivers/spi/spi-sifive.c +++ b/drivers/spi/spi-sifive.c @@ -10,6 +10,7 @@ #include <dm.h> #include <dm/device_compat.h> #include <malloc.h> +#include <spi.h> #include <spi-mem.h> #include <wait_bit.h> #include <asm/io.h> diff --git a/drivers/spi/stm32_qspi.c b/drivers/spi/stm32_qspi.c index 001f0703e3..a53b941410 100644 --- a/drivers/spi/stm32_qspi.c +++ b/drivers/spi/stm32_qspi.c @@ -9,8 +9,10 @@ #include <common.h> #include <clk.h> +#include <dm.h> #include <log.h> #include <reset.h> +#include <spi.h> #include <spi-mem.h> #include <dm/device_compat.h> #include <linux/bitops.h> diff --git a/drivers/ufs/cdns-platform.c b/drivers/ufs/cdns-platform.c index 1a7bb7bed8..bad1bf7de5 100644 --- a/drivers/ufs/cdns-platform.c +++ b/drivers/ufs/cdns-platform.c @@ -9,6 +9,7 @@ #include <common.h> #include <dm.h> #include <ufs.h> +#include <asm/io.h> #include <dm/device_compat.h> #include <linux/bitops.h> #include <linux/err.h> diff --git a/drivers/ufs/ufs.c b/drivers/ufs/ufs.c index 87b4e5fc56..92b7e9fd7c 100644 --- a/drivers/ufs/ufs.c +++ b/drivers/ufs/ufs.c @@ -19,9 +19,10 @@ #include <malloc.h> #include <hexdump.h> #include <scsi.h> +#include <asm/io.h> +#include <asm/dma-mapping.h> #include <linux/bitops.h> #include <linux/delay.h> - #include <linux/dma-mapping.h> #include "ufs.h" diff --git a/drivers/ufs/ufs.h b/drivers/ufs/ufs.h index e0bde93776..069888fdd9 100644 --- a/drivers/ufs/ufs.h +++ b/drivers/ufs/ufs.h @@ -2,11 +2,10 @@ #ifndef __UFS_H #define __UFS_H -#include <asm/io.h> -#include <dm.h> - #include "unipro.h" +struct udevice; + #define UFS_CDB_SIZE 16 #define UPIU_TRANSACTION_UIC_CMD 0x1F #define UIC_CMD_SIZE (sizeof(u32) * 4) diff --git a/drivers/usb/musb-new/musb_uboot.c b/drivers/usb/musb-new/musb_uboot.c index 988071a61d..8ac2f0a78a 100644 --- a/drivers/usb/musb-new/musb_uboot.c +++ b/drivers/usb/musb-new/musb_uboot.c @@ -1,5 +1,6 @@ #include <common.h> #include <console.h> +#include <dm.h> #include <malloc.h> #include <watchdog.h> #include <linux/delay.h> @@ -452,3 +453,39 @@ struct musb *musb_register(struct musb_hdrc_platform_data *plat, void *bdata, return *musbp; } + +#if CONFIG_IS_ENABLED(DM_USB) +struct usb_device *usb_dev_get_parent(struct usb_device *udev) +{ + struct udevice *parent = udev->dev->parent; + + /* + * When called from usb-uclass.c: usb_scan_device() udev->dev points + * to the parent udevice, not the actual udevice belonging to the + * udev as the device is not instantiated yet. + * + * If dev is an usb-bus, then we are called from usb_scan_device() for + * an usb-device plugged directly into the root port, return NULL. + */ + if (device_get_uclass_id(udev->dev) == UCLASS_USB) + return NULL; + + /* + * If these 2 are not the same we are being called from + * usb_scan_device() and udev itself is the parent. + */ + if (dev_get_parent_priv(udev->dev) != udev) + return udev; + + /* We are being called normally, use the parent pointer */ + if (device_get_uclass_id(parent) == UCLASS_USB_HUB) + return dev_get_parent_priv(parent); + + return NULL; +} +#else +struct usb_device *usb_dev_get_parent(struct usb_device *udev) +{ + return udev->parent; +} +#endif diff --git a/drivers/usb/musb-new/pic32.c b/drivers/usb/musb-new/pic32.c index 74a841af46..2fbe9bebf1 100644 --- a/drivers/usb/musb-new/pic32.c +++ b/drivers/usb/musb-new/pic32.c @@ -10,6 +10,7 @@ */ #include <common.h> +#include <dm.h> #include <dm/device_compat.h> #include <linux/bitops.h> #include <linux/delay.h> diff --git a/drivers/usb/musb-new/usb-compat.h b/drivers/usb/musb-new/usb-compat.h index f2c18ad3a2..1c66c4fe36 100644 --- a/drivers/usb/musb-new/usb-compat.h +++ b/drivers/usb/musb-new/usb-compat.h @@ -1,9 +1,10 @@ #ifndef __USB_COMPAT_H__ #define __USB_COMPAT_H__ -#include <dm.h> #include "usb.h" +struct udevice; + struct usb_hcd { void *hcd_priv; }; @@ -67,40 +68,12 @@ static inline int usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd, return 0; } -#if CONFIG_IS_ENABLED(DM_USB) -static inline struct usb_device *usb_dev_get_parent(struct usb_device *udev) -{ - struct udevice *parent = udev->dev->parent; - - /* - * When called from usb-uclass.c: usb_scan_device() udev->dev points - * to the parent udevice, not the actual udevice belonging to the - * udev as the device is not instantiated yet. - * - * If dev is an usb-bus, then we are called from usb_scan_device() for - * an usb-device plugged directly into the root port, return NULL. - */ - if (device_get_uclass_id(udev->dev) == UCLASS_USB) - return NULL; - - /* - * If these 2 are not the same we are being called from - * usb_scan_device() and udev itself is the parent. - */ - if (dev_get_parent_priv(udev->dev) != udev) - return udev; - - /* We are being called normally, use the parent pointer */ - if (device_get_uclass_id(parent) == UCLASS_USB_HUB) - return dev_get_parent_priv(parent); - - return NULL; -} -#else -static inline struct usb_device *usb_dev_get_parent(struct usb_device *dev) -{ - return dev->parent; -} -#endif +/** + * usb_dev_get_parent() - Get the parent of a USB device + * + * @udev: USB struct containing information about the device + * @return associated device for which udev == dev_get_parent_priv(dev) + */ +struct usb_device *usb_dev_get_parent(struct usb_device *udev); #endif /* __USB_COMPAT_H__ */ |