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[88.207.98.7]) by smtp.googlemail.com with ESMTPSA id t20sm15960241ejd.124.2020.07.06.01.38.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jul 2020 01:38:01 -0700 (PDT) From: Robert Marko To: u-boot@lists.denx.de Cc: Robert Marko Subject: [PATCH 1/3] arm: Add support for Qualcomm IPQ40xx family Date: Mon, 6 Jul 2020 10:37:54 +0200 Message-Id: <20200706083756.6013-1-robert.marko@sartura.hr> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean This introduces initial support for the popular Qualcomm IPQ40x8 and IPQ40x9 WiSoC series. IPQ40xx series have 4x Cortex A7 ARM-v7A cores. Supported are: IPQ4018, IPQ4019, IPQ4028 and IPQ4029. IPQ40x8 and IPQ40x9 use the same cores, but differ in addressable RAM size (1GB for IPQ40x9 and 256MB for IPQ40x8) and supported peripherals (IPQ40x8 lacks RGMII, LCD controller and EMMC/SDHCI controllers). IQP4028/IPQ4029 models differ from IPQ4018/IPQ4019 only by their rated temperatures rates with IPQ402X models being rated for wider temperature ranges. Initially this supports: * Simple clock driver (Only for UART1 now, will be extended) * Pinctrl driver (Supports UARTX and GPIO now, will be extended) * GPIOs already supported by msm_gpio driver with updates * UARTs already supported by serial_msm driver with updates Further peripherals will come in later patches. Signed-off-by: Robert Marko --- MAINTAINERS | 7 ++ arch/arm/Kconfig | 13 ++ arch/arm/Makefile | 1 + arch/arm/dts/qcom-ipq4019.dtsi | 79 ++++++++++++ arch/arm/mach-ipq40xx/Kconfig | 15 +++ arch/arm/mach-ipq40xx/Makefile | 9 ++ arch/arm/mach-ipq40xx/clock-ipq4019.c | 64 ++++++++++ arch/arm/mach-ipq40xx/include/mach/gpio.h | 10 ++ arch/arm/mach-ipq40xx/pinctrl-ipq4019.c | 47 +++++++ arch/arm/mach-ipq40xx/pinctrl-snapdragon.c | 137 +++++++++++++++++++++ arch/arm/mach-ipq40xx/pinctrl-snapdragon.h | 30 +++++ 11 files changed, 412 insertions(+) create mode 100644 arch/arm/dts/qcom-ipq4019.dtsi create mode 100644 arch/arm/mach-ipq40xx/Kconfig create mode 100644 arch/arm/mach-ipq40xx/Makefile create mode 100644 arch/arm/mach-ipq40xx/clock-ipq4019.c create mode 100644 arch/arm/mach-ipq40xx/include/mach/gpio.h create mode 100644 arch/arm/mach-ipq40xx/pinctrl-ipq4019.c create mode 100644 arch/arm/mach-ipq40xx/pinctrl-snapdragon.c create mode 100644 arch/arm/mach-ipq40xx/pinctrl-snapdragon.h diff --git a/MAINTAINERS b/MAINTAINERS index db8cecd5e0..e689d1ebeb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -216,6 +216,13 @@ F: arch/arm/cpu/armv8/hisilicon F: arch/arm/include/asm/arch-hi6220/ F: arch/arm/include/asm/arch-hi3660/ +ARM IPQ40XX +M: Robert Marko +M: Luka Kovacic +M: Luka Perkov +S: Maintained +F: arch/arm/mach-ipq40xx/ + ARM MARVELL KIRKWOOD ARMADA-XP ARMADA-38X ARMADA-37XX ARMADA-7K/8K M: Stefan Roese S: Maintained diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 54d65f8488..3868c5c674 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -763,6 +763,17 @@ config ARCH_INTEGRATOR select PL01X_SERIAL imply CMD_DM +config ARCH_IPQ40XX + bool "Qualcomm IPQ40xx SoCs" + select CPU_V7A + select DM + select DM_GPIO + select DM_SERIAL + select PINCTRL + select CLK + select OF_CONTROL + imply CMD_DM + config ARCH_KEYSTONE bool "TI Keystone" select CMD_POWEROFF @@ -1772,6 +1783,8 @@ source "arch/arm/mach-highbank/Kconfig" source "arch/arm/mach-integrator/Kconfig" +source "arch/arm/mach-ipq40xx/Kconfig" + source "arch/arm/mach-k3/Kconfig" source "arch/arm/mach-keystone/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 94eb50bf72..a20b82bc8d 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -58,6 +58,7 @@ machine-$(CONFIG_ARCH_BCMSTB) += bcmstb machine-$(CONFIG_ARCH_DAVINCI) += davinci machine-$(CONFIG_ARCH_EXYNOS) += exynos machine-$(CONFIG_ARCH_HIGHBANK) += highbank +machine-$(CONFIG_ARCH_IPQ40XX) += ipq40xx machine-$(CONFIG_ARCH_K3) += k3 machine-$(CONFIG_ARCH_KEYSTONE) += keystone machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood diff --git a/arch/arm/dts/qcom-ipq4019.dtsi b/arch/arm/dts/qcom-ipq4019.dtsi new file mode 100644 index 0000000000..5f78bc5ab9 --- /dev/null +++ b/arch/arm/dts/qcom-ipq4019.dtsi @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2019 Sartura Ltd. + * + * Author: Robert Marko + */ + + /dts-v1/; + +#include "skeleton.dtsi" +#include +#include + +/ { + #address-cells = <1>; + #size-cells = <1>; + + model = "Qualcomm Technologies, Inc. IPQ4019"; + compatible = "qcom,ipq4019"; + + aliases { + serial0 = &blsp1_uart1; + }; + + reserved-memory { + #address-cells = <0x1>; + #size-cells = <0x1>; + ranges; + + smem_mem: smem_region: smem@87e00000 { + reg = <0x87e00000 0x080000>; + no-map; + }; + + tz@87e80000 { + reg = <0x87e80000 0x180000>; + no-map; + }; + }; + + soc: soc { + #address-cells = <1>; + #size-cells = <1>; + ranges; + compatible = "simple-bus"; + + gcc: clock-controller@1800000 { + compatible = "qcom,gcc-ipq4019"; + reg = <0x1800000 0x60000>; + #clock-cells = <1>; + #reset-cells = <1>; + u-boot,dm-pre-reloc; + }; + + pinctrl: qcom,tlmm@1000000 { + compatible = "qcom,tlmm-ipq4019"; + reg = <0x1000000 0x300000>; + u-boot,dm-pre-reloc; + }; + + blsp1_uart1: serial@78af000 { + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; + reg = <0x78af000 0x200>; + clock = <&gcc 26>; + bit-rate = <0xFF>; + status = "disabled"; + u-boot,dm-pre-reloc; + }; + + soc_gpios: pinctrl@1000000 { + compatible = "qcom,ipq4019-pinctrl"; + reg = <0x1000000 0x300000>; + gpio-controller; + gpio-count = <100>; + gpio-bank-name="soc"; + #gpio-cells = <2>; + }; + }; +}; diff --git a/arch/arm/mach-ipq40xx/Kconfig b/arch/arm/mach-ipq40xx/Kconfig new file mode 100644 index 0000000000..4eef80e935 --- /dev/null +++ b/arch/arm/mach-ipq40xx/Kconfig @@ -0,0 +1,15 @@ +if ARCH_IPQ40XX + +config SYS_SOC + default "ipq40xx" + +config SYS_MALLOC_F_LEN + default 0x2000 + +config SYS_TEXT_BASE + default 0x87300000 + +config NR_DRAM_BANKS + default 1 + +endif diff --git a/arch/arm/mach-ipq40xx/Makefile b/arch/arm/mach-ipq40xx/Makefile new file mode 100644 index 0000000000..08a65b8854 --- /dev/null +++ b/arch/arm/mach-ipq40xx/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2019 Sartura Ltd. +# +# Author: Robert Marko + +obj-y += clock-ipq4019.o +obj-y += pinctrl-snapdragon.o +obj-y += pinctrl-ipq4019.o diff --git a/arch/arm/mach-ipq40xx/clock-ipq4019.c b/arch/arm/mach-ipq40xx/clock-ipq4019.c new file mode 100644 index 0000000000..7cf98a203c --- /dev/null +++ b/arch/arm/mach-ipq40xx/clock-ipq4019.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Clock drivers for Qualcomm IPQ40xx + * + * Copyright (c) 2019 Sartura Ltd. + * + * Author: Robert Marko + * + */ + +#include +#include +#include +#include + +struct msm_clk_priv { + phys_addr_t base; +}; + +ulong msm_set_rate(struct clk *clk, ulong rate) +{ + switch (clk->id) { + case 26: /*UART1*/ + /* This clock is already initialized by SBL1 */ + return 0; + break; + default: + return 0; + } +} + +static int msm_clk_probe(struct udevice *dev) +{ + struct msm_clk_priv *priv = dev_get_priv(dev); + + priv->base = devfdt_get_addr(dev); + if (priv->base == FDT_ADDR_T_NONE) + return -EINVAL; + + return 0; +} + +static ulong msm_clk_set_rate(struct clk *clk, ulong rate) +{ + return msm_set_rate(clk, rate); +} + +static struct clk_ops msm_clk_ops = { + .set_rate = msm_clk_set_rate, +}; + +static const struct udevice_id msm_clk_ids[] = { + { .compatible = "qcom,gcc-ipq4019" }, + { } +}; + +U_BOOT_DRIVER(clk_msm) = { + .name = "clk_msm", + .id = UCLASS_CLK, + .of_match = msm_clk_ids, + .ops = &msm_clk_ops, + .priv_auto_alloc_size = sizeof(struct msm_clk_priv), + .probe = msm_clk_probe, +}; diff --git a/arch/arm/mach-ipq40xx/include/mach/gpio.h b/arch/arm/mach-ipq40xx/include/mach/gpio.h new file mode 100644 index 0000000000..a45747c0fe --- /dev/null +++ b/arch/arm/mach-ipq40xx/include/mach/gpio.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Empty gpio.h + * + * This file must stay as arch/arm/include/asm/gpio.h requires it. + * + * Copyright (c) 2019 Sartura Ltd. + * + * Author: Robert Marko + */ diff --git a/arch/arm/mach-ipq40xx/pinctrl-ipq4019.c b/arch/arm/mach-ipq40xx/pinctrl-ipq4019.c new file mode 100644 index 0000000000..06a57f2e5e --- /dev/null +++ b/arch/arm/mach-ipq40xx/pinctrl-ipq4019.c @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm IPQ40xx pinctrl + * + * Copyright (c) 2019 Sartura Ltd. + * + * Author: Robert Marko + */ + +#include "pinctrl-snapdragon.h" +#include + +#define MAX_PIN_NAME_LEN 32 +static char pin_name[MAX_PIN_NAME_LEN]; + +static const struct pinctrl_function msm_pinctrl_functions[] = { + {"gpio", 0}, + {"blsp_uart0_0", 1}, /* Only for GPIO:16,17 */ + {"blsp_uart0_1", 2}, /* Only for GPIO:60,61 */ + {"blsp_uart1", 1}, +}; + +static const char *ipq4019_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].name; +} + +static const char *ipq4019_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector); + return pin_name; +} + +static unsigned int ipq4019_get_function_mux(unsigned int selector) +{ + return msm_pinctrl_functions[selector].val; +} + +struct msm_pinctrl_data ipq4019_data = { + .pin_count = 100, + .functions_count = ARRAY_SIZE(msm_pinctrl_functions), + .get_function_name = ipq4019_get_function_name, + .get_function_mux = ipq4019_get_function_mux, + .get_pin_name = ipq4019_get_pin_name, +}; diff --git a/arch/arm/mach-ipq40xx/pinctrl-snapdragon.c b/arch/arm/mach-ipq40xx/pinctrl-snapdragon.c new file mode 100644 index 0000000000..64b8b049fa --- /dev/null +++ b/arch/arm/mach-ipq40xx/pinctrl-snapdragon.c @@ -0,0 +1,137 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * TLMM driver for Qualcomm IPQ40xx + * + * (C) Copyright 2018 Ramon Fried + * + * Copyright (c) 2020 Sartura Ltd. + * + * Author: Robert Marko + * + */ + +#include +#include +#include +#include +#include +#include +#include "pinctrl-snapdragon.h" + +struct msm_pinctrl_priv { + phys_addr_t base; + struct msm_pinctrl_data *data; +}; + +#define GPIO_CONFIG_OFFSET(x) ((x) * 0x1000) +#define TLMM_GPIO_PULL_MASK GENMASK(1, 0) +#define TLMM_FUNC_SEL_MASK GENMASK(5, 2) +#define TLMM_DRV_STRENGTH_MASK GENMASK(8, 6) +#define TLMM_GPIO_DISABLE BIT(9) + +static const struct pinconf_param msm_conf_params[] = { + { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 2 }, + { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, + { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 2 }, +}; + +static int msm_get_functions_count(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->functions_count; +} + +static int msm_get_pins_count(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->pin_count; +} + +static const char *msm_get_function_name(struct udevice *dev, + unsigned int selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->get_function_name(dev, selector); +} + +static int msm_pinctrl_probe(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + priv->base = devfdt_get_addr(dev); + priv->data = (struct msm_pinctrl_data *)dev->driver_data; + + return priv->base == FDT_ADDR_T_NONE ? -EINVAL : 0; +} + +static const char *msm_get_pin_name(struct udevice *dev, unsigned int selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->get_pin_name(dev, selector); +} + +static int msm_pinmux_set(struct udevice *dev, unsigned int pin_selector, + unsigned int func_selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_FUNC_SEL_MASK | TLMM_GPIO_DISABLE, + priv->data->get_function_mux(func_selector) << 2); + return 0; +} + +static int msm_pinconf_set(struct udevice *dev, unsigned int pin_selector, + unsigned int param, unsigned int argument) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + switch (param) { + case PIN_CONFIG_DRIVE_STRENGTH: + clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_DRV_STRENGTH_MASK, argument << 6); + break; + case PIN_CONFIG_BIAS_DISABLE: + clrbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_GPIO_PULL_MASK); + break; + case PIN_CONFIG_BIAS_PULL_UP: + clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_GPIO_PULL_MASK, argument); + break; + default: + return 0; + } + + return 0; +} + +static struct pinctrl_ops msm_pinctrl_ops = { + .get_pins_count = msm_get_pins_count, + .get_pin_name = msm_get_pin_name, + .set_state = pinctrl_generic_set_state, + .pinmux_set = msm_pinmux_set, + .pinconf_num_params = ARRAY_SIZE(msm_conf_params), + .pinconf_params = msm_conf_params, + .pinconf_set = msm_pinconf_set, + .get_functions_count = msm_get_functions_count, + .get_function_name = msm_get_function_name, +}; + +static const struct udevice_id msm_pinctrl_ids[] = { + { .compatible = "qcom,tlmm-ipq4019", .data = (ulong)&ipq4019_data }, + { } +}; + +U_BOOT_DRIVER(pinctrl_snapdraon) = { + .name = "pinctrl_msm", + .id = UCLASS_PINCTRL, + .of_match = msm_pinctrl_ids, + .priv_auto_alloc_size = sizeof(struct msm_pinctrl_priv), + .ops = &msm_pinctrl_ops, + .probe = msm_pinctrl_probe, +}; diff --git a/arch/arm/mach-ipq40xx/pinctrl-snapdragon.h b/arch/arm/mach-ipq40xx/pinctrl-snapdragon.h new file mode 100644 index 0000000000..2341a71349 --- /dev/null +++ b/arch/arm/mach-ipq40xx/pinctrl-snapdragon.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Qualcomm Pin control + * + * (C) Copyright 2018 Ramon Fried + * + */ +#ifndef _PINCTRL_SNAPDRAGON_H +#define _PINCTRL_SNAPDRAGON_H + +#include + +struct msm_pinctrl_data { + int pin_count; + int functions_count; + const char *(*get_function_name)(struct udevice *dev, + unsigned int selector); + unsigned int (*get_function_mux)(unsigned int selector); + const char *(*get_pin_name)(struct udevice *dev, + unsigned int selector); +}; + +struct pinctrl_function { + const char *name; + int val; +}; + +extern struct msm_pinctrl_data ipq4019_data; + +#endif