diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/ddr/marvell/a38x/ddr3_init.c | 2 | ||||
-rw-r--r-- | drivers/fpga/Makefile | 1 | ||||
-rw-r--r-- | drivers/fpga/altera.c | 3 | ||||
-rw-r--r-- | drivers/fpga/stratixv.c | 103 | ||||
-rw-r--r-- | drivers/gpio/Kconfig | 7 | ||||
-rw-r--r-- | drivers/gpio/Makefile | 1 | ||||
-rw-r--r-- | drivers/gpio/mvebu_gpio.c | 119 |
7 files changed, 234 insertions, 2 deletions
diff --git a/drivers/ddr/marvell/a38x/ddr3_init.c b/drivers/ddr/marvell/a38x/ddr3_init.c index 556f877..ee05f57 100644 --- a/drivers/ddr/marvell/a38x/ddr3_init.c +++ b/drivers/ddr/marvell/a38x/ddr3_init.c @@ -305,8 +305,6 @@ int ddr3_init(void) SAR1_CPU_CORE_OFFSET; switch (soc_num) { case 0x3: - reg_bit_set(CPU_CONFIGURATION_REG(3), CPU_MRVL_ID_OFFSET); - reg_bit_set(CPU_CONFIGURATION_REG(2), CPU_MRVL_ID_OFFSET); case 0x1: reg_bit_set(CPU_CONFIGURATION_REG(1), CPU_MRVL_ID_OFFSET); case 0x0: diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile index 6aa24d4..fec3fec 100644 --- a/drivers/fpga/Makefile +++ b/drivers/fpga/Makefile @@ -17,5 +17,6 @@ obj-y += altera.o obj-$(CONFIG_FPGA_ACEX1K) += ACEX1K.o obj-$(CONFIG_FPGA_CYCLON2) += cyclon2.o obj-$(CONFIG_FPGA_STRATIX_II) += stratixII.o +obj-$(CONFIG_FPGA_STRATIX_V) += stratixv.o obj-$(CONFIG_FPGA_SOCFPGA) += socfpga.o endif diff --git a/drivers/fpga/altera.c b/drivers/fpga/altera.c index a5bfe5d..135a357 100644 --- a/drivers/fpga/altera.c +++ b/drivers/fpga/altera.c @@ -37,6 +37,9 @@ static const struct altera_fpga { { Altera_StratixII, "StratixII", StratixII_load, StratixII_dump, StratixII_info }, #endif +#if defined(CONFIG_FPGA_STRATIX_V) + { Altera_StratixV, "StratixV", stratixv_load, NULL, NULL }, +#endif #if defined(CONFIG_FPGA_SOCFPGA) { Altera_SoCFPGA, "SoC FPGA", socfpga_load, NULL, NULL }, #endif diff --git a/drivers/fpga/stratixv.c b/drivers/fpga/stratixv.c new file mode 100644 index 0000000..cc035eb --- /dev/null +++ b/drivers/fpga/stratixv.c @@ -0,0 +1,103 @@ +/* + * Copyright (C) 2016 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <altera.h> +#include <spi.h> +#include <asm/io.h> +#include <asm/errno.h> + +/* Write the RBF data to FPGA via SPI */ +static int program_write(int spi_bus, int spi_dev, const void *rbf_data, + unsigned long rbf_size) +{ + struct spi_slave *slave; + int ret; + + debug("%s (%d): data=%p size=%ld\n", + __func__, __LINE__, rbf_data, rbf_size); + + /* FIXME: How to get the max. SPI clock and SPI mode? */ + slave = spi_setup_slave(spi_bus, spi_dev, 27777777, SPI_MODE_3); + if (!slave) + return -1; + + if (spi_claim_bus(slave)) + return -1; + + ret = spi_xfer(slave, rbf_size * 8, rbf_data, (void *)rbf_data, + SPI_XFER_BEGIN | SPI_XFER_END); + + spi_release_bus(slave); + + return ret; +} + +/* + * This is the interface used by FPGA driver. + * Return 0 for sucess, non-zero for error. + */ +int stratixv_load(Altera_desc *desc, const void *rbf_data, size_t rbf_size) +{ + altera_board_specific_func *pfns = desc->iface_fns; + int cookie = desc->cookie; + int spi_bus; + int spi_dev; + int ret = 0; + + if ((u32)rbf_data & 0x3) { + puts("FPGA: Unaligned data, realign to 32bit boundary.\n"); + return -EINVAL; + } + + /* Run the pre configuration function if there is one */ + if (pfns->pre) + (pfns->pre)(cookie); + + /* Establish the initial state */ + if (pfns->config) { + /* De-assert nCONFIG */ + (pfns->config)(false, true, cookie); + + /* nConfig minimum low pulse width is 2us */ + udelay(200); + + /* Assert nCONFIG */ + (pfns->config)(true, true, cookie); + + /* nCONFIG high to first rising clock on DCLK min 1506 us */ + udelay(1600); + } + + /* Write the RBF data to FPGA */ + if (pfns->write) { + /* + * Use board specific data function to write bitstream + * into the FPGA + */ + ret = (pfns->write)(rbf_data, rbf_size, true, cookie); + } else { + /* + * Use common SPI functions to write bitstream into the + * FPGA + */ + spi_bus = COOKIE2SPI_BUS(cookie); + spi_dev = COOKIE2SPI_DEV(cookie); + ret = program_write(spi_bus, spi_dev, rbf_data, rbf_size); + } + if (ret) + return ret; + + /* Check done pin */ + if (pfns->done) { + ret = (pfns->done)(cookie); + + if (ret) + printf("Error: DONE not set (ret=%d)!\n", ret); + } + + return ret; +} diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index a5da5e7..2311309 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -105,4 +105,11 @@ config PIC32_GPIO help Say yes here to support Microchip PIC32 GPIOs. +config MVEBU_GPIO + bool "Marvell MVEBU GPIO driver" + depends on DM_GPIO && ARCH_MVEBU + default y + help + Say yes here to support Marvell MVEBU (Armada XP/38x) GPIOs. + endmenu diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index e7b7ec4..ea6e2ed 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -49,3 +49,4 @@ obj-$(CONFIG_ZYNQ_GPIO) += zynq_gpio.o obj-$(CONFIG_VYBRID_GPIO) += vybrid_gpio.o obj-$(CONFIG_HIKEY_GPIO) += hi6220_gpio.o obj-$(CONFIG_PIC32_GPIO) += pic32_gpio.o +obj-$(CONFIG_MVEBU_GPIO) += mvebu_gpio.o diff --git a/drivers/gpio/mvebu_gpio.c b/drivers/gpio/mvebu_gpio.c new file mode 100644 index 0000000..9564ce2 --- /dev/null +++ b/drivers/gpio/mvebu_gpio.c @@ -0,0 +1,119 @@ +/* + * Copyright (C) 2016 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define MVEBU_GPIOS_PER_BANK 32 + +struct mvebu_gpio_regs { + u32 data_out; + u32 io_conf; + u32 blink_en; + u32 in_pol; + u32 data_in; +}; + +struct mvebu_gpio_priv { + struct mvebu_gpio_regs *regs; + char name[2]; +}; + +static int mvebu_gpio_direction_input(struct udevice *dev, unsigned int gpio) +{ + struct mvebu_gpio_priv *priv = dev_get_priv(dev); + struct mvebu_gpio_regs *regs = priv->regs; + + setbits_le32(®s->io_conf, BIT(gpio)); + + return 0; +} + +static int mvebu_gpio_direction_output(struct udevice *dev, unsigned gpio, + int value) +{ + struct mvebu_gpio_priv *priv = dev_get_priv(dev); + struct mvebu_gpio_regs *regs = priv->regs; + + clrbits_le32(®s->io_conf, BIT(gpio)); + + return 0; +} + +static int mvebu_gpio_get_function(struct udevice *dev, unsigned gpio) +{ + struct mvebu_gpio_priv *priv = dev_get_priv(dev); + struct mvebu_gpio_regs *regs = priv->regs; + u32 val; + + val = readl(®s->io_conf) & BIT(gpio); + if (val) + return GPIOF_INPUT; + else + return GPIOF_OUTPUT; +} + +static int mvebu_gpio_set_value(struct udevice *dev, unsigned gpio, + int value) +{ + struct mvebu_gpio_priv *priv = dev_get_priv(dev); + struct mvebu_gpio_regs *regs = priv->regs; + + if (value) + setbits_le32(®s->data_out, BIT(gpio)); + else + clrbits_le32(®s->data_out, BIT(gpio)); + + return 0; +} + +static int mvebu_gpio_get_value(struct udevice *dev, unsigned gpio) +{ + struct mvebu_gpio_priv *priv = dev_get_priv(dev); + struct mvebu_gpio_regs *regs = priv->regs; + + return !!(readl(®s->data_in) & BIT(gpio)); +} + +static int mvebu_gpio_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); + struct mvebu_gpio_priv *priv = dev_get_priv(dev); + + priv->regs = (struct mvebu_gpio_regs *)dev_get_addr(dev); + uc_priv->gpio_count = MVEBU_GPIOS_PER_BANK; + priv->name[0] = 'A' + dev->req_seq; + uc_priv->bank_name = priv->name; + + return 0; +} + +static const struct dm_gpio_ops mvebu_gpio_ops = { + .direction_input = mvebu_gpio_direction_input, + .direction_output = mvebu_gpio_direction_output, + .get_function = mvebu_gpio_get_function, + .get_value = mvebu_gpio_get_value, + .set_value = mvebu_gpio_set_value, +}; + +static const struct udevice_id mvebu_gpio_ids[] = { + { .compatible = "marvell,orion-gpio" }, + { } +}; + +U_BOOT_DRIVER(gpio_mvebu) = { + .name = "gpio_mvebu", + .id = UCLASS_GPIO, + .of_match = mvebu_gpio_ids, + .ops = &mvebu_gpio_ops, + .probe = mvebu_gpio_probe, + .priv_auto_alloc_size = sizeof(struct mvebu_gpio_priv), +}; |