The Jaguar2 SOC family has 63 gpio pins therefore I extented mscc-common to support new number of pins.

Signed-off-by: Horatiu Vultur horatiu.vultur@microchip.com --- MAINTAINERS | 1 + drivers/pinctrl/mscc/Kconfig | 9 ++ drivers/pinctrl/mscc/Makefile | 1 + drivers/pinctrl/mscc/mscc-common.c | 122 ++++++++++++--- drivers/pinctrl/mscc/pinctrl-jr2.c | 302 +++++++++++++++++++++++++++++++++++++ 5 files changed, 411 insertions(+), 24 deletions(-) create mode 100644 drivers/pinctrl/mscc/pinctrl-jr2.c

diff --git a/MAINTAINERS b/MAINTAINERS index 494962e..495d3e5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -525,6 +525,7 @@ F: board/mscc/ F: configs/mscc* F: drivers/gpio/mscc_sgpio.c F: include/configs/vcoreiii.h +F: drivers/pinctrl/mscc/

MIPS JZ4780 M: Ezequiel Garcia ezequiel@collabora.com diff --git a/drivers/pinctrl/mscc/Kconfig b/drivers/pinctrl/mscc/Kconfig index cfc6c06..d07ea1b 100644 --- a/drivers/pinctrl/mscc/Kconfig +++ b/drivers/pinctrl/mscc/Kconfig @@ -20,3 +20,12 @@ config PINCTRL_MSCC_LUTON help Support pin multiplexing and pin configuration control on Microsemi luton SoCs. + +config PINCTRL_MSCC_JR2 + depends on SOC_JR2 && PINCTRL_FULL && OF_CONTROL + select PINCTRL_MSCC + default y + bool "Microsemi jr2 family pin control driver" + help + Support pin multiplexing and pin configuration control on + Microsemi jr2 SoCs. diff --git a/drivers/pinctrl/mscc/Makefile b/drivers/pinctrl/mscc/Makefile index 6910671..8038d54 100644 --- a/drivers/pinctrl/mscc/Makefile +++ b/drivers/pinctrl/mscc/Makefile @@ -3,3 +3,4 @@ obj-y += mscc-common.o obj-$(CONFIG_PINCTRL_MSCC_OCELOT) += pinctrl-ocelot.o obj-$(CONFIG_PINCTRL_MSCC_LUTON) += pinctrl-luton.o +obj-$(CONFIG_PINCTRL_MSCC_JR2) += pinctrl-jr2.o diff --git a/drivers/pinctrl/mscc/mscc-common.c b/drivers/pinctrl/mscc/mscc-common.c index d74b8a6..5cb7d35 100644 --- a/drivers/pinctrl/mscc/mscc-common.c +++ b/drivers/pinctrl/mscc/mscc-common.c @@ -22,6 +22,18 @@ #include <linux/io.h> #include "mscc-common.h"

+#if defined(CONFIG_SOC_JR2) +#define MSCC_GPIO_OUT_SET 0x00 +#define MSCC_GPIO_OUT_CLR 0x08 +#define MSCC_GPIO_OUT 0x10 +#define MSCC_GPIO_IN 0x18 +#define MSCC_GPIO_OE 0x20 +#define MSCC_GPIO_INTR 0x28 +#define MSCC_GPIO_INTR_ENA 0x30 +#define MSCC_GPIO_INTR_IDENT 0x38 +#define MSCC_GPIO_ALT0 0x40 +#define MSCC_GPIO_ALT1 0x48 +#else #define MSCC_GPIO_OUT_SET 0x0 #define MSCC_GPIO_OUT_CLR 0x4 #define MSCC_GPIO_OUT 0x8 @@ -31,7 +43,39 @@ #define MSCC_GPIO_INTR_ENA 0x18 #define MSCC_GPIO_INTR_IDENT 0x1c #define MSCC_GPIO_ALT0 0x20 -#define MSCC_GPIO_ALT1 0x24 +#endif + +static void mscc_writel(unsigned int offset, void *addr) +{ + if (offset < 32) + writel(BIT(offset), addr); + else + writel(BIT(offset % 32), addr + 4); +} + +static unsigned int mscc_readl(unsigned int offset, void *addr) +{ + if (offset < 32) + return readl(addr); + else + return readl(addr + 4); +} + +static void mscc_setbits(unsigned int offset, void *addr) +{ + if (offset < 32) + writel(readl(addr) | BIT(offset), addr); + else + writel(readl(addr + 4) | BIT(offset % 32), addr + 4); +} + +static void mscc_clrbits(unsigned int offset, void *addr) +{ + if (offset < 32) + writel(readl(addr) & ~BIT(offset), addr); + else + writel(readl(addr + 4) & ~BIT(offset % 32), addr + 4); +}

static int mscc_get_functions_count(struct udevice *dev) { @@ -67,7 +111,7 @@ static int mscc_pinmux_set_mux(struct udevice *dev, { struct mscc_pinctrl *info = dev_get_priv(dev); struct mscc_pin_caps *pin = info->mscc_pins[pin_selector].drv_data; - int f; + int f, offset, regoff;

f = mscc_pin_function_idx(pin_selector, selector, info->mscc_pins); if (f < 0) @@ -79,15 +123,25 @@ static int mscc_pinmux_set_mux(struct udevice *dev, * This is racy because both registers can't be updated at the same time * but it doesn't matter much for now. */ + offset = pin->pin; + regoff = MSCC_GPIO_ALT0; + /* Handle GPIOs 32-63 */ +#if defined(MSCC_GPIO_ALT1) + if (offset >= 32) { + offset = offset % 32; + regoff = MSCC_GPIO_ALT1; + } +#endif + if (f & BIT(0)) - setbits_le32(info->regs + MSCC_GPIO_ALT0, BIT(pin->pin)); + mscc_setbits(offset, info->regs + regoff); else - clrbits_le32(info->regs + MSCC_GPIO_ALT0, BIT(pin->pin)); + mscc_clrbits(offset, info->regs + regoff);

if (f & BIT(1)) - setbits_le32(info->regs + MSCC_GPIO_ALT1, BIT(pin->pin - 1)); + mscc_setbits(offset, info->regs + regoff + 4); else - clrbits_le32(info->regs + MSCC_GPIO_ALT1, BIT(pin->pin - 1)); + mscc_clrbits(offset, info->regs + regoff + 4);

return 0; } @@ -120,8 +174,8 @@ static int mscc_create_group_func_map(struct udevice *dev, }

info->func[f].ngroups = npins; - info->func[f].groups = devm_kzalloc(dev, npins * - sizeof(char *), GFP_KERNEL); + info->func[f].groups = devm_kzalloc(dev, npins * sizeof(char *), + GFP_KERNEL); if (!info->func[f].groups) return -ENOMEM;

@@ -132,7 +186,8 @@ static int mscc_create_group_func_map(struct udevice *dev, return 0; }

-static int mscc_pinctrl_register(struct udevice *dev, struct mscc_pinctrl *info) +static int mscc_pinctrl_register(struct udevice *dev, + struct mscc_pinctrl *info) { int ret;

@@ -150,38 +205,44 @@ static int mscc_gpio_get(struct udevice *dev, unsigned int offset) struct mscc_pinctrl *info = dev_get_priv(dev->parent); unsigned int val;

- val = readl(info->regs + MSCC_GPIO_IN); + if (mscc_readl(offset, info->regs + MSCC_GPIO_OE) & BIT(offset % 32)) + val = mscc_readl(offset, info->regs + MSCC_GPIO_OUT); + else + val = mscc_readl(offset, info->regs + MSCC_GPIO_IN);

- return !!(val & BIT(offset)); + return !!(val & BIT(offset % 32)); }

-static int mscc_gpio_set(struct udevice *dev, unsigned int offset, int value) +static int mscc_gpio_set(struct udevice *dev, unsigned int offset, + int value) { struct mscc_pinctrl *info = dev_get_priv(dev->parent);

if (value) - writel(BIT(offset), info->regs + MSCC_GPIO_OUT_SET); + mscc_writel(offset, info->regs + MSCC_GPIO_OUT_SET); else - writel(BIT(offset), info->regs + MSCC_GPIO_OUT_CLR); + mscc_writel(offset, info->regs + MSCC_GPIO_OUT_CLR);

return 0; }

-static int mscc_gpio_get_direction(struct udevice *dev, unsigned int offset) +static int mscc_gpio_get_direction(struct udevice *dev, + unsigned int offset) { struct mscc_pinctrl *info = dev_get_priv(dev->parent); unsigned int val;

- val = readl(info->regs + MSCC_GPIO_OE); + val = mscc_readl(offset, info->regs + MSCC_GPIO_OE);

- return (val & BIT(offset)) ? GPIOF_OUTPUT : GPIOF_INPUT; + return (val & BIT(offset % 32)) ? GPIOF_OUTPUT : GPIOF_INPUT; }

-static int mscc_gpio_direction_input(struct udevice *dev, unsigned int offset) +static int mscc_gpio_direction_input(struct udevice *dev, + unsigned int offset) { struct mscc_pinctrl *info = dev_get_priv(dev->parent);

- clrbits_le32(info->regs + MSCC_GPIO_OE, BIT(offset)); + mscc_clrbits(offset, info->regs + MSCC_GPIO_OE);

return 0; } @@ -191,7 +252,7 @@ static int mscc_gpio_direction_output(struct udevice *dev, { struct mscc_pinctrl *info = dev_get_priv(dev->parent);

- setbits_le32(info->regs + MSCC_GPIO_OE, BIT(offset)); + mscc_setbits(offset, info->regs + MSCC_GPIO_OE);

return mscc_gpio_set(dev, offset, value); } @@ -215,15 +276,20 @@ const struct pinctrl_ops mscc_pinctrl_ops = {

int mscc_pinctrl_probe(struct udevice *dev, int num_func, const struct mscc_pin_data *mscc_pins, int num_pins, - char *const *function_names) + char * const*function_names) { struct mscc_pinctrl *priv = dev_get_priv(dev); + struct uclass_driver *drv; + fdt_addr_t addr; + fdt_size_t size; int ret;

- priv->regs = dev_remap_addr(dev); - if (!priv->regs) + addr = devfdt_get_addr_size_index(dev, 0, &size); + if (addr == FDT_ADDR_T_NONE) return -EINVAL;

+ priv->regs = ioremap(addr, size); + priv->func = devm_kzalloc(dev, num_func * sizeof(struct mscc_pmx_func), GFP_KERNEL); priv->num_func = num_func; @@ -231,6 +297,14 @@ int mscc_pinctrl_probe(struct udevice *dev, int num_func, priv->num_pins = num_pins; priv->function_names = function_names; ret = mscc_pinctrl_register(dev, priv); + if (ret) + return ret;

- return ret; + drv = lists_uclass_lookup(UCLASS_GPIO); + if (!drv) { + puts("Cannot find GPIO driver\n"); + return -ENOENT; + } + + return 0; } diff --git a/drivers/pinctrl/mscc/pinctrl-jr2.c b/drivers/pinctrl/mscc/pinctrl-jr2.c new file mode 100644 index 0000000..fa48b37 --- /dev/null +++ b/drivers/pinctrl/mscc/pinctrl-jr2.c @@ -0,0 +1,302 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Microsemi SoCs pinctrl driver + * + * Author: horatiu.vultur@microchip.com + * License: Dual MIT/GPL + * Copyright (c) 2018 Microsemi Corporation + */ + +#include <common.h> +#include <config.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <dm/pinctrl.h> +#include <dm/root.h> +#include <errno.h> +#include <fdtdec.h> +#include <linux/io.h> +#include <asm/gpio.h> +#include <asm/system.h> +#include "mscc-common.h" + +enum { + FUNC_NONE, + FUNC_GPIO, + FUNC_IRQ0_IN, + FUNC_IRQ0_OUT, + FUNC_IRQ1_IN, + FUNC_IRQ1_OUT, + FUNC_MIIM1, + FUNC_MIIM2, + FUNC_PCI_WAKE, + FUNC_PTP0, + FUNC_PTP1, + FUNC_PTP2, + FUNC_PTP3, + FUNC_PWM, + FUNC_RECO_CLK0, + FUNC_RECO_CLK1, + FUNC_SFP0, + FUNC_SFP1, + FUNC_SFP2, + FUNC_SFP3, + FUNC_SFP4, + FUNC_SFP5, + FUNC_SFP6, + FUNC_SFP7, + FUNC_SFP8, + FUNC_SFP9, + FUNC_SFP10, + FUNC_SFP11, + FUNC_SFP12, + FUNC_SFP13, + FUNC_SFP14, + FUNC_SFP15, + FUNC_SIO, + FUNC_SIO1, + FUNC_SIO2, + FUNC_SI, + FUNC_TACHO, + FUNC_TWI, + FUNC_TWI2, + FUNC_TWI_SCL_M, + FUNC_UART, + FUNC_UART2, + FUNC_MAX +}; + +char *jr2_function_names[] = { + [FUNC_NONE] = "none", + [FUNC_GPIO] = "gpio", + [FUNC_IRQ0_IN] = "irq0_in", + [FUNC_IRQ0_OUT] = "irq0_out", + [FUNC_IRQ1_IN] = "irq1_in", + [FUNC_IRQ1_OUT] = "irq1_out", + [FUNC_MIIM1] = "miim1", + [FUNC_MIIM2] = "miim2", + [FUNC_PCI_WAKE] = "pci_wake", + [FUNC_PTP0] = "ptp0", + [FUNC_PTP1] = "ptp1", + [FUNC_PTP2] = "ptp2", + [FUNC_PTP3] = "ptp3", + [FUNC_PWM] = "pwm", + [FUNC_RECO_CLK0] = "reco_clk0", + [FUNC_RECO_CLK1] = "reco_clk1", + [FUNC_SFP0] = "sfp0", + [FUNC_SFP1] = "sfp1", + [FUNC_SFP2] = "sfp2", + [FUNC_SFP3] = "sfp3", + [FUNC_SFP4] = "sfp4", + [FUNC_SFP5] = "sfp5", + [FUNC_SFP6] = "sfp6", + [FUNC_SFP7] = "sfp7", + [FUNC_SFP8] = "sfp8", + [FUNC_SFP9] = "sfp9", + [FUNC_SFP10] = "sfp10", + [FUNC_SFP11] = "sfp11", + [FUNC_SFP12] = "sfp12", + [FUNC_SFP13] = "sfp13", + [FUNC_SFP14] = "sfp14", + [FUNC_SFP15] = "sfp15", + [FUNC_SIO] = "sio", + [FUNC_SIO1] = "sio1", + [FUNC_SIO2] = "sio2", + [FUNC_SI] = "si", + [FUNC_TACHO] = "tacho", + [FUNC_TWI] = "twi", + [FUNC_TWI2] = "twi2", + [FUNC_TWI_SCL_M] = "twi_scl_m", + [FUNC_UART] = "uart", + [FUNC_UART2] = "uart2", +}; + +MSCC_P(0, SIO, NONE, NONE); +MSCC_P(1, SIO, NONE, NONE); +MSCC_P(2, SIO, NONE, NONE); +MSCC_P(3, SIO, NONE, NONE); +MSCC_P(4, SIO1, NONE, NONE); +MSCC_P(5, SIO1, NONE, NONE); +MSCC_P(6, IRQ0_IN, IRQ0_OUT, NONE); +MSCC_P(7, IRQ1_IN, IRQ1_OUT, NONE); +MSCC_P(8, PTP0, NONE, NONE); +MSCC_P(9, PTP1, NONE, NONE); +MSCC_P(10, UART, NONE, NONE); +MSCC_P(11, UART, NONE, NONE); +MSCC_P(12, SIO1, NONE, NONE); +MSCC_P(13, SIO1, NONE, NONE); +MSCC_P(14, TWI, TWI_SCL_M, NONE); +MSCC_P(15, TWI, NONE, NONE); +MSCC_P(16, SI, TWI_SCL_M, NONE); +MSCC_P(17, SI, TWI_SCL_M, NONE); +MSCC_P(18, SI, TWI_SCL_M, NONE); +MSCC_P(19, PCI_WAKE, NONE, NONE); +MSCC_P(20, IRQ0_OUT, TWI_SCL_M, NONE); +MSCC_P(21, IRQ1_OUT, TWI_SCL_M, NONE); +MSCC_P(22, TACHO, NONE, NONE); +MSCC_P(23, PWM, NONE, NONE); +MSCC_P(24, UART2, NONE, NONE); +MSCC_P(25, UART2, SI, NONE); +MSCC_P(26, PTP2, SI, NONE); +MSCC_P(27, PTP3, SI, NONE); +MSCC_P(28, TWI2, SI, NONE); +MSCC_P(29, TWI, SI, NONE); +MSCC_P(30, SIO2, SI, NONE); +MSCC_P(31, SIO2, SI, NONE); +MSCC_P(32, SIO2, SI, NONE); +MSCC_P(33, SIO2, SI, NONE); +MSCC_P(34, NONE, TWI_SCL_M, NONE); +MSCC_P(35, NONE, TWI_SCL_M, NONE); +MSCC_P(36, NONE, TWI_SCL_M, NONE); +MSCC_P(37, NONE, TWI_SCL_M, NONE); +MSCC_P(38, NONE, TWI_SCL_M, NONE); +MSCC_P(39, NONE, TWI_SCL_M, NONE); +MSCC_P(40, NONE, TWI_SCL_M, NONE); +MSCC_P(41, NONE, TWI_SCL_M, NONE); +MSCC_P(42, NONE, TWI_SCL_M, NONE); +MSCC_P(43, NONE, TWI_SCL_M, NONE); +MSCC_P(44, NONE, SFP8, NONE); +MSCC_P(45, NONE, SFP9, NONE); +MSCC_P(46, NONE, SFP10, NONE); +MSCC_P(47, NONE, SFP11, NONE); +MSCC_P(48, SFP0, NONE, NONE); +MSCC_P(49, SFP1, SI, NONE); +MSCC_P(50, SFP2, SI, NONE); +MSCC_P(51, SFP3, SI, NONE); +MSCC_P(52, SFP4, NONE, NONE); +MSCC_P(53, SFP5, NONE, NONE); +MSCC_P(54, SFP6, NONE, NONE); +MSCC_P(55, SFP7, NONE, NONE); +MSCC_P(56, MIIM1, SFP12, NONE); +MSCC_P(57, MIIM1, SFP13, NONE); +MSCC_P(58, MIIM2, SFP14, NONE); +MSCC_P(59, MIIM2, SFP15, NONE); +MSCC_P(60, NONE, NONE, NONE); +MSCC_P(61, NONE, NONE, NONE); +MSCC_P(62, NONE, NONE, NONE); +MSCC_P(63, NONE, NONE, NONE); + +#define JR2_PIN(n) { \ + .name = "GPIO_"#n, \ + .drv_data = &mscc_pin_##n \ +} + +const struct mscc_pin_data jr2_pins[] = { + JR2_PIN(0), + JR2_PIN(1), + JR2_PIN(2), + JR2_PIN(3), + JR2_PIN(4), + JR2_PIN(5), + JR2_PIN(6), + JR2_PIN(7), + JR2_PIN(8), + JR2_PIN(9), + JR2_PIN(10), + JR2_PIN(11), + JR2_PIN(12), + JR2_PIN(13), + JR2_PIN(14), + JR2_PIN(15), + JR2_PIN(16), + JR2_PIN(17), + JR2_PIN(18), + JR2_PIN(19), + JR2_PIN(20), + JR2_PIN(21), + JR2_PIN(22), + JR2_PIN(23), + JR2_PIN(24), + JR2_PIN(25), + JR2_PIN(26), + JR2_PIN(27), + JR2_PIN(28), + JR2_PIN(29), + JR2_PIN(30), + JR2_PIN(31), + JR2_PIN(32), + JR2_PIN(33), + JR2_PIN(34), + JR2_PIN(35), + JR2_PIN(36), + JR2_PIN(37), + JR2_PIN(38), + JR2_PIN(39), + JR2_PIN(40), + JR2_PIN(41), + JR2_PIN(42), + JR2_PIN(43), + JR2_PIN(44), + JR2_PIN(45), + JR2_PIN(46), + JR2_PIN(47), + JR2_PIN(48), + JR2_PIN(49), + JR2_PIN(50), + JR2_PIN(51), + JR2_PIN(52), + JR2_PIN(53), + JR2_PIN(54), + JR2_PIN(55), + JR2_PIN(56), + JR2_PIN(57), + JR2_PIN(58), + JR2_PIN(59), + JR2_PIN(60), + JR2_PIN(61), + JR2_PIN(62), + JR2_PIN(63), +}; + +static int jr2_gpio_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv; + + uc_priv = dev_get_uclass_priv(dev); + uc_priv->bank_name = "jr2-gpio"; + uc_priv->gpio_count = ARRAY_SIZE(jr2_pins); + + return 0; +} + +static struct driver jr2_gpio_driver = { + .name = "jr2-gpio", + .id = UCLASS_GPIO, + .probe = jr2_gpio_probe, + .ops = &mscc_gpio_ops, +}; + +int jr2_pinctrl_probe(struct udevice *dev) +{ + int ret; + + ret = mscc_pinctrl_probe(dev, FUNC_MAX, jr2_pins, + ARRAY_SIZE(jr2_pins), + jr2_function_names); + + if (ret) + return ret; + + ret = device_bind(dev, &jr2_gpio_driver, "jr2-gpio", NULL, + dev_of_offset(dev), NULL); + + if (ret) + return ret; + + return 0; +} + +static const struct udevice_id jr2_pinctrl_of_match[] = { + { .compatible = "mscc,jr2-pinctrl" }, + {}, +}; + +U_BOOT_DRIVER(jr2_pinctrl) = { + .name = "jr2-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(jr2_pinctrl_of_match), + .probe = jr2_pinctrl_probe, + .priv_auto_alloc_size = sizeof(struct mscc_pinctrl), + .ops = &mscc_pinctrl_ops, +};

As the Ocelot and Luton SoCs, this family of SoCs are found in Microsemi Switches solution.

Signed-off-by: Horatiu Vultur horatiu.vultur@microchip.com --- arch/mips/mach-mscc/Kconfig | 9 + arch/mips/mach-mscc/cpu.c | 7 + arch/mips/mach-mscc/dram.c | 2 +- arch/mips/mach-mscc/include/mach/common.h | 5 + arch/mips/mach-mscc/include/mach/ddr.h | 40 ++- arch/mips/mach-mscc/include/mach/jr2/jr2.h | 24 ++ .../mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h | 20 ++ .../include/mach/jr2/jr2_devcpu_gcb_miim_regs.h | 25 ++ .../mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h | 321 +++++++++++++++++++++ arch/mips/mach-mscc/reset.c | 17 ++ 10 files changed, 462 insertions(+), 8 deletions(-) create mode 100644 arch/mips/mach-mscc/include/mach/jr2/jr2.h create mode 100644 arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h create mode 100644 arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb_miim_regs.h create mode 100644 arch/mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h

diff --git a/arch/mips/mach-mscc/Kconfig b/arch/mips/mach-mscc/Kconfig index 37ef432..fc6aa03 100644 --- a/arch/mips/mach-mscc/Kconfig +++ b/arch/mips/mach-mscc/Kconfig @@ -33,6 +33,13 @@ config SOC_LUTON help This supports MSCC Luton family of SOCs.

+config SOC_JR2 + bool "Jaguar2 SOC Family" + select SOC_VCOREIII + select DESIGNWARE_SPI + help + This supports MSCC Jaguar2 family of SOCs. + endchoice

config SYS_CONFIG_NAME @@ -65,4 +72,6 @@ source "board/mscc/ocelot/Kconfig"

source "board/mscc/luton/Kconfig"

+source "board/mscc/jr2/Kconfig" + endmenu diff --git a/arch/mips/mach-mscc/cpu.c b/arch/mips/mach-mscc/cpu.c index 5be8ff6..4729b7a 100644 --- a/arch/mips/mach-mscc/cpu.c +++ b/arch/mips/mach-mscc/cpu.c @@ -87,8 +87,15 @@ int mach_cpu_init(void) ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) + ICPU_SPI_MST_CFG_CLK_DIV(9), BASE_CFG + ICPU_SPI_MST_CFG); #else +#ifdef CONFIG_SOC_OCELOT writel(ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) + ICPU_SPI_MST_CFG_CLK_DIV(9), BASE_CFG + ICPU_SPI_MST_CFG); +#endif +#ifdef CONFIG_SOC_JR2 + writel(ICPU_SPI_MST_CFG_FAST_READ_ENA + + ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) + + ICPU_SPI_MST_CFG_CLK_DIV(14), BASE_CFG + ICPU_SPI_MST_CFG); +#endif /* * Legacy and mainline linux kernel expect that the * interruption map was set as it was done by redboot. diff --git a/arch/mips/mach-mscc/dram.c b/arch/mips/mach-mscc/dram.c index 309007c..8002e07 100644 --- a/arch/mips/mach-mscc/dram.c +++ b/arch/mips/mach-mscc/dram.c @@ -19,7 +19,7 @@ static inline int vcoreiii_train_bytelane(void)

ret = hal_vcoreiii_train_bytelane(0);

-#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) if (ret) return ret; ret = hal_vcoreiii_train_bytelane(1); diff --git a/arch/mips/mach-mscc/include/mach/common.h b/arch/mips/mach-mscc/include/mach/common.h index d18ae78..9cb2fbb 100644 --- a/arch/mips/mach-mscc/include/mach/common.h +++ b/arch/mips/mach-mscc/include/mach/common.h @@ -16,6 +16,11 @@ #include <mach/luton/luton_devcpu_gcb.h> #include <mach/luton/luton_devcpu_gcb_miim_regs.h> #include <mach/luton/luton_icpu_cfg.h> +#elif defined(CONFIG_SOC_JR2) +#include <mach/jr2/jr2.h> +#include <mach/jr2/jr2_devcpu_gcb.h> +#include <mach/jr2/jr2_devcpu_gcb_miim_regs.h> +#include <mach/jr2/jr2_icpu_cfg.h> #else #error Unsupported platform #endif diff --git a/arch/mips/mach-mscc/include/mach/ddr.h b/arch/mips/mach-mscc/include/mach/ddr.h index f445e63..29a5363 100644 --- a/arch/mips/mach-mscc/include/mach/ddr.h +++ b/arch/mips/mach-mscc/include/mach/ddr.h @@ -161,7 +161,7 @@

#endif

-#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) #define MIPS_VCOREIII_MEMORY_16BIT 1 #endif

@@ -239,7 +239,7 @@ ICPU_MEMCTRL_CFG_MSB_ROW_ADDR(VC3_MPAR_row_addr_cnt - 1) | \ ICPU_MEMCTRL_CFG_MSB_COL_ADDR(VC3_MPAR_col_addr_cnt - 1)

-#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) #define MSCC_MEMPARM_PERIOD \ ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(8) | \ ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(VC3_MPAR_tREFI) @@ -378,7 +378,7 @@ static inline void memphy_soft_reset(void) PAUSE(); }

-#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) static u8 training_data[] = { 0xfe, 0x11, 0x33, 0x55, 0x77, 0x99, 0xbb, 0xdd };

static inline void sleep_100ns(u32 val) @@ -398,6 +398,7 @@ static inline void sleep_100ns(u32 val) ; }

+#if defined(CONFIG_SOC_OCELOT) static inline void hal_vcoreiii_ddr_reset_assert(void) { /* DDR has reset pin on GPIO 19 toggle Low-High to release */ @@ -448,6 +449,28 @@ static inline void hal_vcoreiii_ddr_failed(void)

panic("DDR init failed\n"); } +#else /* JR2 */ +static inline void hal_vcoreiii_ddr_reset_assert(void) +{ + /* Ensure the memory controller physical iface is forced reset */ + writel(readl(BASE_CFG + ICPU_MEMPHY_CFG) | + ICPU_MEMPHY_CFG_PHY_RST, BASE_CFG + ICPU_MEMPHY_CFG); + + /* Ensure the memory controller is forced reset */ + writel(readl(BASE_CFG + ICPU_RESET) | + ICPU_RESET_MEM_RST_FORCE, BASE_CFG + ICPU_RESET); +} + +static inline void hal_vcoreiii_ddr_reset_release(void) {} + +static inline void hal_vcoreiii_ddr_failed(void) +{ + writel(0, BASE_CFG + ICPU_RESET); + writel(PERF_SOFT_RST_SOFT_CHIP_RST, BASE_CFG + PERF_SOFT_RST); + + panic("DDR init failed\n"); +} +#endif

/* * DDR memory sanity checking done, possibly enable ECC. @@ -738,7 +761,7 @@ static inline void hal_vcoreiii_init_memctl(void) /* Wait for ZCAL to clear */ while (readl(BASE_CFG + ICPU_MEMPHY_ZCAL) & ICPU_MEMPHY_ZCAL_ZCAL_ENA) ; -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) /* Check no ZCAL_ERR */ if (readl(BASE_CFG + ICPU_MEMPHY_ZCAL_STAT) & ICPU_MEMPHY_ZCAL_STAT_ZCAL_ERR) @@ -752,7 +775,7 @@ static inline void hal_vcoreiii_init_memctl(void) writel(MSCC_MEMPARM_MEMCFG, BASE_CFG + ICPU_MEMCTRL_CFG); writel(MSCC_MEMPARM_PERIOD, BASE_CFG + ICPU_MEMCTRL_REF_PERIOD);

-#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) writel(MSCC_MEMPARM_TIMING0, BASE_CFG + ICPU_MEMCTRL_TIMING0); #else /* Luton */ clrbits_le32(BASE_CFG + ICPU_MEMCTRL_TIMING0, ((1 << 20) - 1)); @@ -767,7 +790,7 @@ static inline void hal_vcoreiii_init_memctl(void) writel(MSCC_MEMPARM_MR2, BASE_CFG + ICPU_MEMCTRL_MR2_VAL); writel(MSCC_MEMPARM_MR3, BASE_CFG + ICPU_MEMCTRL_MR3_VAL);

-#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) /* Termination setup - enable ODT */ writel(ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA | /* Assert ODT0 for any write */ @@ -778,6 +801,9 @@ static inline void hal_vcoreiii_init_memctl(void) hal_vcoreiii_ddr_reset_release();

writel(readl(BASE_CFG + ICPU_GPR(7)) + 1, BASE_CFG + ICPU_GPR(7)); +#elif defined(CONFIG_SOC_JR2) + writel(ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA(3), + BASE_CFG + ICPU_MEMCTRL_TERMRES_CTRL); #else /* Luton */ /* Termination setup - disable ODT */ writel(0, BASE_CFG + ICPU_MEMCTRL_TERMRES_CTRL); @@ -796,7 +822,7 @@ static inline void hal_vcoreiii_wait_memctl(void)

/* Settle...? */ sleep_100ns(10000); -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) /* Establish data contents in DDR RAM for training */

__raw_writel(0xcacafefe, ((void __iomem *)MSCC_DDR_TO)); diff --git a/arch/mips/mach-mscc/include/mach/jr2/jr2.h b/arch/mips/mach-mscc/include/mach/jr2/jr2.h new file mode 100644 index 0000000..67244f6 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/jr2/jr2.h @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Microsemi Jaguar2 Switch driver + * + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_JR2_H_ +#define _MSCC_JR2_H_ + +#include <linux/bitops.h> +#include <dm.h> + +/* + * Target offset base(s) + */ +#define MSCC_IO_ORIGIN1_OFFSET 0x70000000 +#define MSCC_IO_ORIGIN1_SIZE 0x00200000 +#define MSCC_IO_ORIGIN2_OFFSET 0x71000000 +#define MSCC_IO_ORIGIN2_SIZE 0x01000000 +#define BASE_CFG ((void __iomem *)0x70000000) +#define BASE_DEVCPU_GCB ((void __iomem *)0x71010000) + +#endif diff --git a/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h b/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h new file mode 100644 index 0000000..4a1228d --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_JR2_DEVCPU_GCB_H_ +#define _MSCC_JR2_DEVCPU_GCB_H_ + +#define PERF_GPR 0x4 + +#define PERF_SOFT_RST 0x8 + +#define PERF_SOFT_RST_SOFT_NON_CFG_RST BIT(2) +#define PERF_SOFT_RST_SOFT_SWC_RST BIT(1) +#define PERF_SOFT_RST_SOFT_CHIP_RST BIT(0) + +#define GPIO_GPIO_ALT(x) (0x78 + 4 * (x)) +#define GPIO_GPIO_ALT1(x) (0x80 + 4 * (x)) + +#endif diff --git a/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb_miim_regs.h b/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb_miim_regs.h new file mode 100644 index 0000000..3c84edc --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb_miim_regs.h @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_JR2_DEVCPU_GCB_MIIM_REGS_H_ +#define _MSCC_JR2_DEVCPU_GCB_MIIM_REGS_H_ + +#define MIIM_MII_STATUS(gi) (0xc8 + (gi * 36)) +#define MIIM_MII_CMD(gi) (0xd0 + (gi * 36)) +#define MIIM_MII_DATA(gi) (0xd4 + (gi * 36)) + +#define MSCC_F_MII_STATUS_MIIM_STAT_BUSY(x) ((x) ? BIT(3) : 0) + +#define MSCC_F_MII_CMD_MIIM_CMD_VLD(x) ((x) ? BIT(31) : 0) +#define MSCC_F_MII_CMD_MIIM_CMD_PHYAD(x) (GENMASK(29, 25) & ((x) << 25)) +#define MSCC_F_MII_CMD_MIIM_CMD_REGAD(x) (GENMASK(24, 20) & ((x) << 20)) +#define MSCC_F_MII_CMD_MIIM_CMD_WRDATA(x) (GENMASK(19, 4) & ((x) << 4)) +#define MSCC_F_MII_CMD_MIIM_CMD_OPR_FIELD(x) (GENMASK(2, 1) & ((x) << 1)) +#define MSCC_F_MII_CMD_MIIM_CMD_SCAN(x) ((x) ? BIT(0) : 0) + +#define MSCC_M_MII_DATA_MIIM_DATA_SUCCESS GENMASK(17, 16) +#define MSCC_X_MII_DATA_MIIM_DATA_RDDATA(x) (((x) >> 0) & GENMASK(15, 0)) + +#endif diff --git a/arch/mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h b/arch/mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h new file mode 100644 index 0000000..6e0bbe2 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h @@ -0,0 +1,321 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_JR2_ICPU_CFG_H_ +#define _MSCC_JR2_ICPU_CFG_H_ + +#define ICPU_GPR(x) (0x4 * (x)) +#define ICPU_GPR_RSZ 0x4 + +#define ICPU_RESET 0x20 + +#define ICPU_RESET_CORE_RST_CPU_ONLY BIT(3) +#define ICPU_RESET_CORE_RST_PROTECT BIT(2) +#define ICPU_RESET_CORE_RST_FORCE BIT(1) +#define ICPU_RESET_MEM_RST_FORCE BIT(0) + +#define ICPU_GENERAL_CTRL 0x24 + +#define ICPU_GENERAL_CTRL_CPU_BUSIF_SLEEP_DIS BIT(15) +#define ICPU_GENERAL_CTRL_CPU_BUSIF_WERR_ENA BIT(14) +#define ICPU_GENERAL_CTRL_CPU_8051_IROM_ENA BIT(13) +#define ICPU_GENERAL_CTRL_CPU_MIPS_DIS BIT(12) +#define ICPU_GENERAL_CTRL_IF_MIIM_SLV_ENA BIT(11) +#define ICPU_GENERAL_CTRL_IF_PI_SLV_DONEPOL BIT(10) +#define ICPU_GENERAL_CTRL_IF_PI_MST_ENA BIT(9) +#define ICPU_GENERAL_CTRL_IF_PI_SLV_ENA BIT(8) +#define ICPU_GENERAL_CTRL_IF_SI_OWNER(x) (((x) << 6) & GENMASK(7, 6)) +#define ICPU_GENERAL_CTRL_IF_SI_OWNER_M GENMASK(7, 6) +#define ICPU_GENERAL_CTRL_IF_SI_OWNER_X(x) (((x) & GENMASK(7, 6)) >> 4) +#define ICPU_GENERAL_CTRL_IF_SI1_OWNER(x) (((x) << 4) & GENMASK(5, 4)) +#define ICPU_GENERAL_CTRL_IF_SI1_OWNER_M GENMASK(5, 4) +#define ICPU_GENERAL_CTRL_IF_SI1_OWNER_X(x) (((x) & GENMASK(5, 4)) >> 4) +#define ICPU_GENERAL_CTRL_SSI_MST_CONTENTION BIT(3) +#define ICPU_GENERAL_CTRL_CPU_BE_ENA BIT(2) +#define ICPU_GENERAL_CTRL_CPU_DIS BIT(1) +#define ICPU_GENERAL_CTRL_BOOT_MODE_ENA BIT(0) + +#define ICPU_SPI_MST_CFG 0x3c + +#define ICPU_SPI_MST_CFG_A32B_ENA BIT(11) +#define ICPU_SPI_MST_CFG_FAST_READ_ENA BIT(10) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME(x) (((x) << 5) & GENMASK(9, 5)) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME_M GENMASK(9, 5) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME_X(x) (((x) & GENMASK(9, 5)) >> 5) +#define ICPU_SPI_MST_CFG_CLK_DIV(x) ((x) & GENMASK(4, 0)) +#define ICPU_SPI_MST_CFG_CLK_DIV_M GENMASK(4, 0) + +#define ICPU_SW_MODE 0x50 + +#define ICPU_SW_MODE_SW_PIN_CTRL_MODE BIT(13) +#define ICPU_SW_MODE_SW_SPI_SCK BIT(12) +#define ICPU_SW_MODE_SW_SPI_SCK_OE BIT(11) +#define ICPU_SW_MODE_SW_SPI_SDO BIT(10) +#define ICPU_SW_MODE_SW_SPI_SDO_OE BIT(9) +#define ICPU_SW_MODE_SW_SPI_CS(x) (((x) << 5) & GENMASK(8, 5)) +#define ICPU_SW_MODE_SW_SPI_CS_M GENMASK(8, 5) +#define ICPU_SW_MODE_SW_SPI_CS_X(x) (((x) & GENMASK(8, 5)) >> 5) +#define ICPU_SW_MODE_SW_SPI_CS_OE(x) (((x) << 1) & GENMASK(4, 1)) +#define ICPU_SW_MODE_SW_SPI_CS_OE_M GENMASK(4, 1) +#define ICPU_SW_MODE_SW_SPI_CS_OE_X(x) (((x) & GENMASK(4, 1)) >> 1) +#define ICPU_SW_MODE_SW_SPI_SDI BIT(0) + +#define ICPU_INTR_ENA 0x88 + +#define ICPU_DST_INTR_MAP(x) (0x98 + 0x4 * (x)) +#define ICPU_DST_INTR_MAP_RSZ 0x4 + +#define ICPU_TIMER_TICK_DIV 0x108 + +#define ICPU_TIMER_VALUE(x) (0x10c + 0x4 * (x)) +#define ICPU_TIMER_VALUE_RSZ 0x4 + +#define ICPU_TIMER_CTRL(x) (0x124 + 0x4 * (x)) +#define ICPU_TIMER_CTRL_RSZ 0x4 + +#define ICPU_TIMER_CTRL_MAX_FREQ_ENA BIT(3) +#define ICPU_TIMER_CTRL_ONE_SHOT_ENA BIT(2) +#define ICPU_TIMER_CTRL_TIMER_ENA BIT(1) +#define ICPU_TIMER_CTRL_FORCE_RELOAD BIT(0) + +#define ICPU_MEMCTRL_CTRL 0x130 + +#define ICPU_MEMCTRL_CTRL_PWR_DOWN BIT(3) +#define ICPU_MEMCTRL_CTRL_MDSET BIT(2) +#define ICPU_MEMCTRL_CTRL_STALL_REF_ENA BIT(1) +#define ICPU_MEMCTRL_CTRL_INITIALIZE BIT(0) + +#define ICPU_MEMCTRL_CFG 0x134 + +#define ICPU_MEMCTRL_CFG_DDR_512MBYTE_PLUS BIT(16) +#define ICPU_MEMCTRL_CFG_DDR_ECC_ERR_ENA BIT(15) +#define ICPU_MEMCTRL_CFG_DDR_ECC_COR_ENA BIT(14) +#define ICPU_MEMCTRL_CFG_DDR_ECC_ENA BIT(13) +#define ICPU_MEMCTRL_CFG_DDR_WIDTH BIT(12) +#define ICPU_MEMCTRL_CFG_DDR_MODE BIT(11) +#define ICPU_MEMCTRL_CFG_BURST_SIZE BIT(10) +#define ICPU_MEMCTRL_CFG_BURST_LEN BIT(9) +#define ICPU_MEMCTRL_CFG_BANK_CNT BIT(8) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR_M GENMASK(7, 4) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_CFG_MSB_COL_ADDR(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_CFG_MSB_COL_ADDR_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_STAT 0x138 + +#define ICPU_MEMCTRL_STAT_RDATA_MASKED BIT(5) +#define ICPU_MEMCTRL_STAT_RDATA_DUMMY BIT(4) +#define ICPU_MEMCTRL_STAT_RDATA_ECC_ERR BIT(3) +#define ICPU_MEMCTRL_STAT_RDATA_ECC_COR BIT(2) +#define ICPU_MEMCTRL_STAT_PWR_DOWN_ACK BIT(1) +#define ICPU_MEMCTRL_STAT_INIT_DONE BIT(0) + +#define ICPU_MEMCTRL_REF_PERIOD 0x13c + +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF_M GENMASK(19, 16) +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(x) ((x) & GENMASK(15, 0)) +#define ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD_M GENMASK(15, 0) + +#define ICPU_MEMCTRL_ZQCAL 0x140 + +#define ICPU_MEMCTRL_ZQCAL_ZQCAL_LONG BIT(1) +#define ICPU_MEMCTRL_ZQCAL_ZQCAL_SHORT BIT(0) + +#define ICPU_MEMCTRL_TIMING0 0x144 + +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY(x) (((x) << 28) & GENMASK(31, 28)) +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY_M GENMASK(31, 28) +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY_X(x) (((x) & GENMASK(31, 28)) >> 28) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY(x) (((x) << 24) & GENMASK(27, 24)) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY_M GENMASK(27, 24) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY_X(x) (((x) & GENMASK(27, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY(x) (((x) << 20) & GENMASK(23, 20)) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY_M GENMASK(23, 20) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY_X(x) (((x) & GENMASK(23, 20)) >> 20) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY_M GENMASK(19, 16) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_TIMING1 0x148 + +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY(x) (((x) << 24) & GENMASK(31, 24)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY_M GENMASK(31, 24) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY_X(x) (((x) & GENMASK(31, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY(x) (((x) << 16) & GENMASK(23, 16)) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY_M GENMASK(23, 16) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY_X(x) (((x) & GENMASK(23, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_TIMING2 0x14c + +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY(x) (((x) << 28) & GENMASK(31, 28)) +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY_M GENMASK(31, 28) +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY_X(x) (((x) & GENMASK(31, 28)) >> 28) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY(x) (((x) << 24) & GENMASK(27, 24)) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY_M GENMASK(27, 24) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY_X(x) (((x) & GENMASK(27, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING2_REF_DLY(x) (((x) << 16) & GENMASK(23, 16)) +#define ICPU_MEMCTRL_TIMING2_REF_DLY_M GENMASK(23, 16) +#define ICPU_MEMCTRL_TIMING2_REF_DLY_X(x) (((x) & GENMASK(23, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING2_INIT_DLY(x) ((x) & GENMASK(15, 0)) +#define ICPU_MEMCTRL_TIMING2_INIT_DLY_M GENMASK(15, 0) + +#define ICPU_MEMCTRL_TIMING3 0x150 + +#define ICPU_MEMCTRL_TIMING3_RMW_DLY(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_TIMING3_RMW_DLY_M GENMASK(19, 16) +#define ICPU_MEMCTRL_TIMING3_RMW_DLY_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_TIMING4 0x154 + +#define ICPU_MEMCTRL_TIMING4_ZQCAL_INIT_DLY(x) (((x) << 20) & GENMASK(31, 20)) +#define ICPU_MEMCTRL_TIMING4_ZQCAL_INIT_DLY_M GENMASK(31, 20) +#define ICPU_MEMCTRL_TIMING4_ZQCAL_INIT_DLY_X(x) (((x) & GENMASK(31, 20)) >> 20) +#define ICPU_MEMCTRL_TIMING4_ZQCAL_LONG_DLY(x) (((x) << 8) & GENMASK(19, 8)) +#define ICPU_MEMCTRL_TIMING4_ZQCAL_LONG_DLY_M GENMASK(19, 8) +#define ICPU_MEMCTRL_TIMING4_ZQCAL_LONG_DLY_X(x) (((x) & GENMASK(19, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING4_ZQCAL_SHORT_DLY(x) ((x) & GENMASK(7, 0)) +#define ICPU_MEMCTRL_TIMING4_ZQCAL_SHORT_DLY_M GENMASK(7, 0) + +#define ICPU_MEMCTRL_MR0_VAL 0x158 + +#define ICPU_MEMCTRL_MR1_VAL 0x15c + +#define ICPU_MEMCTRL_MR2_VAL 0x160 + +#define ICPU_MEMCTRL_MR3_VAL 0x164 + +#define ICPU_MEMCTRL_TERMRES_CTRL 0x168 + +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_EXT BIT(11) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA(x) (((x) << 7) & GENMASK(10, 7)) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA_M GENMASK(10, 7) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA_X(x) (((x) & GENMASK(10, 7)) >> 7) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_EXT BIT(6) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA(x) (((x) << 2) & GENMASK(5, 2)) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA_M GENMASK(5, 2) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA_X(x) (((x) & GENMASK(5, 2)) >> 2) +#define ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_EXT BIT(1) +#define ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA BIT(0) + +#define ICPU_MEMCTRL_DFT 0x16c + +#define ICPU_MEMCTRL_DFT_DDRDFT_LBW BIT(7) +#define ICPU_MEMCTRL_DFT_DDRDFT_GATE_ENA BIT(6) +#define ICPU_MEMCTRL_DFT_DDRDFT_TERM_ENA BIT(5) +#define ICPU_MEMCTRL_DFT_DDRDFT_A10 BIT(4) +#define ICPU_MEMCTRL_DFT_DDRDFT_STAT BIT(3) +#define ICPU_MEMCTRL_DFT_DDRDFT_MODE(x) (((x) << 1) & GENMASK(2, 1)) +#define ICPU_MEMCTRL_DFT_DDRDFT_MODE_M GENMASK(2, 1) +#define ICPU_MEMCTRL_DFT_DDRDFT_MODE_X(x) (((x) & GENMASK(2, 1)) >> 1) +#define ICPU_MEMCTRL_DFT_DDRDFT_ENA BIT(0) + +#define ICPU_MEMCTRL_DQS_DLY(x) (0x170 + 0x4 * (x)) +#define ICPU_MEMCTRL_DQS_DLY_RSZ 0x4 + +#define ICPU_MEMCTRL_DQS_DLY_TRAIN_DQ_ENA BIT(11) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1(x) (((x) << 8) & GENMASK(10, 8)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1_M GENMASK(10, 8) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1_X(x) (((x) & GENMASK(10, 8)) >> 8) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0(x) (((x) << 5) & GENMASK(7, 5)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0_M GENMASK(7, 5) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0_X(x) (((x) & GENMASK(7, 5)) >> 5) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY(x) ((x) & GENMASK(4, 0)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_M GENMASK(4, 0) + +#define ICPU_MEMCTRL_DQS_AUTO (0x178 + 0x4 * (x)) +#define ICPU_MEMCTRL_DQS_AUTO_RSZ 0x4 + +#define ICPU_MEMCTRL_DQS_AUTO_DQS_DRIFT(x) (((x) << 6) & GENMASK(7, 6)) +#define ICPU_MEMCTRL_DQS_AUTO_DQS_DRIFT_M GENMASK(7, 6) +#define ICPU_MEMCTRL_DQS_AUTO_DQS_DRIFT_X(x) (((x) & GENMASK(7, 6)) >> 6) +#define ICPU_MEMCTRL_DQS_AUTO_DQS_OVERFLOW BIT(5) +#define ICPU_MEMCTRL_DQS_AUTO_DQS_UNDERFLOW BIT(4) +#define ICPU_MEMCTRL_DQS_AUTO_DQS_AUTO_SRC BIT(3) +#define ICPU_MEMCTRL_DQS_AUTO_DQS_AUTO_UP BIT(2) +#define ICPU_MEMCTRL_DQS_AUTO_DQS_AUTO_DOWN BIT(1) +#define ICPU_MEMCTRL_DQS_AUTO_DQS_AUTO_ENA BIT(0) + +#define ICPU_MEMPHY_CFG 0x180 + +#define ICPU_MEMPHY_CFG_PHY_FLUSH_DIS BIT(10) +#define ICPU_MEMPHY_CFG_PHY_RD_ADJ_DIS BIT(9) +#define ICPU_MEMPHY_CFG_PHY_DQS_EXT BIT(8) +#define ICPU_MEMPHY_CFG_PHY_FIFO_RST BIT(7) +#define ICPU_MEMPHY_CFG_PHY_DLL_BL_RST BIT(6) +#define ICPU_MEMPHY_CFG_PHY_DLL_CL_RST BIT(5) +#define ICPU_MEMPHY_CFG_PHY_ODT_OE BIT(4) +#define ICPU_MEMPHY_CFG_PHY_CK_OE BIT(3) +#define ICPU_MEMPHY_CFG_PHY_CL_OE BIT(2) +#define ICPU_MEMPHY_CFG_PHY_SSTL_ENA BIT(1) +#define ICPU_MEMPHY_CFG_PHY_RST BIT(0) + +#define ICPU_MEMPHY_ZCAL 0x1a8 + +#define ICPU_MEMPHY_ZCAL_ZCAL_CLK_SEL BIT(9) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT(x) (((x) << 5) & GENMASK(8, 5)) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT_M GENMASK(8, 5) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT_X(x) (((x) & GENMASK(8, 5)) >> 5) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG(x) (((x) << 1) & GENMASK(4, 1)) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_M GENMASK(4, 1) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_X(x) (((x) & GENMASK(4, 1)) >> 1) +#define ICPU_MEMPHY_ZCAL_ZCAL_ENA BIT(0) +// +#define ICPU_MEMPHY_ZCAL_STAT 0x1ac + +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL(x) (((x) << 12) & GENMASK(31, 12)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL_M GENMASK(31, 12) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL_X(x) (((x) & GENMASK(31, 12)) >> 12) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU(x) (((x) << 8) & GENMASK(9, 8)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU_M GENMASK(9, 8) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU_X(x) (((x) & GENMASK(9, 8)) >> 8) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD(x) (((x) << 6) & GENMASK(7, 6)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD_M GENMASK(7, 6) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD_X(x) (((x) & GENMASK(7, 6)) >> 6) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU(x) (((x) << 4) & GENMASK(5, 4)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU_M GENMASK(5, 4) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU_X(x) (((x) & GENMASK(5, 4)) >> 4) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD(x) (((x) << 2) & GENMASK(3, 2)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD_M GENMASK(3, 2) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD_X(x) (((x) & GENMASK(3, 2)) >> 2) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ERR BIT(1) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_DONE BIT(0) + +#endif diff --git a/arch/mips/mach-mscc/reset.c b/arch/mips/mach-mscc/reset.c index 390bbd0..e0e610a 100644 --- a/arch/mips/mach-mscc/reset.c +++ b/arch/mips/mach-mscc/reset.c @@ -12,6 +12,22 @@

void _machine_restart(void) { +#if defined(CONFIG_SOC_JR2) + register u32 reg = readl(BASE_CFG + ICPU_GENERAL_CTRL); + /* Set owner */ + reg &= ~ICPU_GENERAL_CTRL_IF_SI_OWNER_M; + reg |= ICPU_GENERAL_CTRL_IF_SI_OWNER(1); + /* Set boot mode */ + reg |= ICPU_GENERAL_CTRL_BOOT_MODE_ENA; + writel(reg, BASE_CFG + ICPU_GENERAL_CTRL); + /* Read back in order to make BOOT mode setting active */ + reg = readl(BASE_CFG + ICPU_GENERAL_CTRL); + /* Reset CPU only - still executing _here_. but from cache */ + writel(readl(BASE_CFG + ICPU_RESET) | + ICPU_RESET_CORE_RST_CPU_ONLY | + ICPU_RESET_CORE_RST_FORCE, + BASE_CFG + ICPU_RESET); +#else register u32 resetbits = PERF_SOFT_RST_SOFT_CHIP_RST; (void)readl(BASE_DEVCPU_GCB + PERF_SOFT_RST);

@@ -24,6 +40,7 @@ void _machine_restart(void)

/* Do the global reset */ writel(resetbits, BASE_DEVCPU_GCB + PERF_SOFT_RST); +#endif

while (1) ; /* NOP */

Add device tree based on evaluation board pcb110.

Signed-off-by: Horatiu Vultur horatiu.vultur@microchip.com --- MAINTAINERS | 1 + arch/mips/dts/jr2_pcb110.dts | 74 +++++++++++++++++ arch/mips/dts/mscc,jr2.dtsi | 187 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 262 insertions(+) create mode 100644 arch/mips/dts/jr2_pcb110.dts create mode 100644 arch/mips/dts/mscc,jr2.dtsi

diff --git a/MAINTAINERS b/MAINTAINERS index 495d3e5..f05c36b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -521,6 +521,7 @@ F: arch/mips/mach-mscc/ F: arch/mips/dts/luton* F: arch/mips/dts/mscc* F: arch/mips/dts/ocelot* +F: arch/mips/dts/jr2* F: board/mscc/ F: configs/mscc* F: drivers/gpio/mscc_sgpio.c diff --git a/arch/mips/dts/jr2_pcb110.dts b/arch/mips/dts/jr2_pcb110.dts new file mode 100644 index 0000000..54b8988 --- /dev/null +++ b/arch/mips/dts/jr2_pcb110.dts @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,jr2.dtsi" + +/ { + model = "Jaguar2 Cu8-Sfp16 PCB110 Reference Board"; + compatible = "mscc,jr2-pcb110", "mscc,jr2"; + + aliases { + spi0 = &spi0; + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + gpio-leds { + compatible = "gpio-leds"; + + status_green { + label = "pcb110:green:status"; + gpios = <&gpio 12 0>; + default-state = "on"; + }; + + status_red { + label = "pcb110:red:status"; + gpios = <&gpio 13 0>; + default-state = "off"; + }; + }; +}; + +&uart0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; + spi-flash@0 { + compatible = "spi-flash"; + spi-max-frequency = <18000000>; /* input clock */ + reg = <0>; /* CS0 */ + }; +}; + +&gpio { + /* SPIO only use DO, CLK, no inputs */ + sgpio1_pins: sgpio1-pins { + pins = "GPIO_4", "GPIO_5"; + function = "sio1"; + }; +}; + +&sgpio { + status = "okay"; + sgpio-ports = <0x00ffffff>; +}; + +&sgpio1 { + status = "okay"; + sgpio-ports = <0x00ff0000>; +}; + +&sgpio2 { + status = "okay"; + sgpio-ports = <0x3f00ffff>; + gpio-ranges = <&sgpio2 0 0 96>; +}; diff --git a/arch/mips/dts/mscc,jr2.dtsi b/arch/mips/dts/mscc,jr2.dtsi new file mode 100644 index 0000000..1ae7873 --- /dev/null +++ b/arch/mips/dts/mscc,jr2.dtsi @@ -0,0 +1,187 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mscc,jr2"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "mips,mips24KEc"; + device_type = "cpu"; + clocks = <&cpu_clk>; + reg = <0>; + }; + }; + + aliases { + serial0 = &uart0; + }; + + cpuintc: interrupt-controller@0 { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + cpu_clk: cpu-clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <500000000>; + }; + + ahb_clk: ahb-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <250000000>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x70000000 0x2000000>; + + interrupt-parent = <&intc>; + + cpu_ctrl: syscon@0 { + compatible = "mscc,jr2-cpu-syscon", "syscon"; + reg = <0x0 0x2c>; + }; + + intc: interrupt-controller@70 { + compatible = "mscc,jr2-icpu-intr"; + reg = <0x70 0x94>; + #interrupt-cells = <1>; + interrupt-controller; + interrupt-parent = <&cpuintc>; + interrupts = <2>; + }; + + uart0: serial@100000 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x100000 0x20>; + interrupts = <6>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + uart2: serial@100800 { + pinctrl-0 = <&uart2_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x100800 0x20>; + interrupts = <7>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + spi0: spi-master@101000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dw-apb-ssi"; + reg = <0x101000 0x40>; + num-chipselect = <4>; + bus-num = <0>; + reg-io-width = <4>; + reg-shift = <2>; + spi-max-frequency = <18000000>; /* input clock */ + clocks = <&ahb_clk>; + + status = "disabled"; + }; + + reset@1010008 { + compatible = "mscc,jr2-chip-reset"; + reg = <0x1010008 0x4>; + }; + + gpio: pinctrl@1070034 { + compatible = "mscc,jr2-pinctrl"; + reg = <0x1010038 0x90>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&gpio 0 0 64>; + + sgpio_pins: sgpio-pins { + pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3"; + function = "sio"; + }; + + sgpio1_pins: sgpio1-pins { + pins = "GPIO_4", "GPIO_5", "GPIO_12", "GPIO_13"; + function = "sio1"; + }; + + sgpio2_pins: sgpio2-pins { + pins = "GPIO_30", "GPIO_31", + "GPIO_32", "GPIO_33"; + function = "sio2"; + }; + + uart_pins: uart-pins { + pins = "GPIO_10", "GPIO_11"; + function = "uart"; + }; + + uart2_pins: uart2-pins { + pins = "GPIO_24", "GPIO_25"; + function = "uart2"; + }; + }; + + sgpio: gpio@1010150 { + compatible = "mscc,ocelot-sgpio"; + status = "disabled"; + pinctrl-0 = <&sgpio_pins>; + pinctrl-names = "default"; + reg = <0x1010150 0x100>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&sgpio 0 0 64>; + gpio-bank-name = "sgpio0_"; + sgpio-clock = <0x14>; + }; + + sgpio1: gpio@101025c { + compatible = "mscc,ocelot-sgpio"; + status = "disabled"; + pinctrl-0 = <&sgpio1_pins>; + pinctrl-names = "default"; + reg = <0x101025c 0x100>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&sgpio1 0 0 64>; + gpio-bank-name = "sgpio1_"; + sgpio-clock = <0x14>; + }; + + sgpio2: gpio@1010368 { + compatible = "mscc,ocelot-sgpio"; + status = "disabled"; + pinctrl-0 = <&sgpio2_pins>; + pinctrl-names = "default"; + reg = <0x1010368 0x100>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&sgpio2 0 0 64>; + gpio-bank-name = "sgpio2_"; + sgpio-clock = <0x14>; + }; + }; +};

Add device tree based on evaluation board pcb112.

Signed-off-by: Horatiu Vultur horatiu.vultur@microchip.com --- MAINTAINERS | 1 + arch/mips/dts/serval2_pcb112.dts | 60 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 61 insertions(+) create mode 100644 arch/mips/dts/serval2_pcb112.dts

diff --git a/MAINTAINERS b/MAINTAINERS index f05c36b..d42736b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -522,6 +522,7 @@ F: arch/mips/dts/luton* F: arch/mips/dts/mscc* F: arch/mips/dts/ocelot* F: arch/mips/dts/jr2* +F: arch/mips/dts/serval* F: board/mscc/ F: configs/mscc* F: drivers/gpio/mscc_sgpio.c diff --git a/arch/mips/dts/serval2_pcb112.dts b/arch/mips/dts/serval2_pcb112.dts new file mode 100644 index 0000000..fe025f4 --- /dev/null +++ b/arch/mips/dts/serval2_pcb112.dts @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,jr2.dtsi" + +/ { + model = "Serval2 NID PCB112 Reference Board"; + compatible = "mscc,serval2-pcb110", "mscc,jr2"; + + aliases { + spi0 = &spi0; + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + gpio-leds { + compatible = "gpio-leds"; + + status_green { + label = "pcb110:green:status"; + gpios = <&gpio 12 0>; + default-state = "on"; + }; + + status_red { + label = "pcb110:red:status"; + gpios = <&gpio 13 0>; + default-state = "off"; + }; + }; +}; + +&uart0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; + spi-flash@0 { + compatible = "spi-flash"; + spi-max-frequency = <18000000>; /* input clock */ + reg = <0>; /* CS0 */ + }; +}; + +&sgpio { + status = "okay"; + sgpio-ports = <0x0000ffff>; +}; + +&sgpio2 { + status = "okay"; + sgpio-ports = <0x3fe0ffff>; +};