Add board support for Jaguar2 SOC family. The detection of the board type in this family is based on the phy ids.
Signed-off-by: Horatiu Vultur horatiu.vultur@microchip.com --- arch/mips/mach-mscc/Makefile | 5 +- board/mscc/common/spi.c | 31 ++++++++++ board/mscc/jr2/Kconfig | 15 +++++ board/mscc/{ocelot => jr2}/Makefile | 2 +- board/mscc/jr2/jr2.c | 117 ++++++++++++++++++++++++++++++++++++ board/mscc/ocelot/Makefile | 2 +- board/mscc/ocelot/ocelot.c | 22 ------- 7 files changed, 168 insertions(+), 26 deletions(-) create mode 100644 board/mscc/common/spi.c create mode 100644 board/mscc/jr2/Kconfig copy board/mscc/{ocelot => jr2}/Makefile (50%) create mode 100644 board/mscc/jr2/jr2.c
diff --git a/arch/mips/mach-mscc/Makefile b/arch/mips/mach-mscc/Makefile index 44538b7..f5b6968 100644 --- a/arch/mips/mach-mscc/Makefile +++ b/arch/mips/mach-mscc/Makefile @@ -2,5 +2,6 @@
CFLAGS_cpu.o += -finline-limit=64000
-obj-y += cpu.o dram.o reset.o phy.o gpio.o lowlevel_init.o -obj-$(CONFIG_SOC_LUTON) += lowlevel_init_luton.o +obj-y += cpu.o dram.o reset.o phy.o lowlevel_init.o +obj-$(CONFIG_SOC_LUTON) += lowlevel_init_luton.o gpio.o +obj-$(CONFIG_SOC_OCELOT) += gpio.o diff --git a/board/mscc/common/spi.c b/board/mscc/common/spi.c new file mode 100644 index 0000000..0566fcb --- /dev/null +++ b/board/mscc/common/spi.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Coprporation + */ + +#include <common.h> +#include <asm/io.h> +#include <spi.h> + +void external_cs_manage(struct udevice *dev, bool enable) +{ + u32 cs = spi_chip_select(dev); + /* IF_SI0_OWNER, select the owner of the SI interface + * Encoding: 0: SI Slave + * 1: SI Boot Master + * 2: SI Master Controller + */ + if (!enable) { + writel(ICPU_SW_MODE_SW_PIN_CTRL_MODE | + ICPU_SW_MODE_SW_SPI_CS(BIT(cs)), + BASE_CFG + ICPU_SW_MODE); + clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, + ICPU_GENERAL_CTRL_IF_SI_OWNER_M, + ICPU_GENERAL_CTRL_IF_SI_OWNER(2)); + } else { + writel(0, BASE_CFG + ICPU_SW_MODE); + clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, + ICPU_GENERAL_CTRL_IF_SI_OWNER_M, + ICPU_GENERAL_CTRL_IF_SI_OWNER(1)); + } +} diff --git a/board/mscc/jr2/Kconfig b/board/mscc/jr2/Kconfig new file mode 100644 index 0000000..68a2de8 --- /dev/null +++ b/board/mscc/jr2/Kconfig @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +config SYS_VENDOR + default "mscc" + +if SOC_JR2 + +config SYS_BOARD + default "jr2" + +config SYS_CONFIG_NAME + default "jr2" + +endif + diff --git a/board/mscc/ocelot/Makefile b/board/mscc/jr2/Makefile similarity index 50% copy from board/mscc/ocelot/Makefile copy to board/mscc/jr2/Makefile index 9f28c81..2b5c1c7 100644 --- a/board/mscc/ocelot/Makefile +++ b/board/mscc/jr2/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-obj-$(CONFIG_SOC_OCELOT) := ocelot.o +obj-$(CONFIG_SOC_JR2) := jr2.o ../common/spi.o
diff --git a/board/mscc/jr2/jr2.c b/board/mscc/jr2/jr2.c new file mode 100644 index 0000000..36f9896 --- /dev/null +++ b/board/mscc/jr2/jr2.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include <common.h> +#include <asm/io.h> +#include <led.h> + +DECLARE_GLOBAL_DATA_PTR; + +enum { + BOARD_TYPE_PCB110 = 0xAABBCE00, + BOARD_TYPE_PCB111, + BOARD_TYPE_PCB112, +}; + +int board_early_init_r(void) +{ + /* Prepare SPI controller to be used in master mode */ + writel(0, BASE_CFG + ICPU_SW_MODE); + clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, + ICPU_GENERAL_CTRL_IF_SI_OWNER_M, + ICPU_GENERAL_CTRL_IF_SI_OWNER(2)); + + /* Address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE; + + /* LED setup */ + if (IS_ENABLED(CONFIG_LED)) + led_default_state(); + + return 0; +} + +static void vcoreiii_gpio_set_alternate(int gpio, int mode) +{ + u32 mask; + u32 val0, val1; + void __iomem *reg0, *reg1; + + if (gpio < 32) { + mask = BIT(gpio); + reg0 = BASE_CFG + GPIO_GPIO_ALT(0); + reg1 = BASE_CFG + GPIO_GPIO_ALT(1); + } else { + gpio -= 32; + mask = BIT(gpio); + reg0 = BASE_CFG + GPIO_GPIO_ALT1(0); + reg1 = BASE_CFG + GPIO_GPIO_ALT1(1); + } + val0 = readl(reg0); + val1 = readl(reg1); + if (mode == 1) { + writel(val0 | mask, reg0); + writel(val1 & ~mask, reg1); + } else if (mode == 2) { + writel(val0 & ~mask, reg0); + writel(val1 | mask, reg1); + } else if (mode == 3) { + writel(val0 | mask, reg0); + writel(val1 | mask, reg1); + } else { + writel(val0 & ~mask, reg0); + writel(val1 & ~mask, reg1); + } +} + +static void do_board_detect(void) +{ + int i; + u16 pval; + + /* MIIM 1 + 2 MDC/MDIO */ + for (i = 56; i < 60; i++) + vcoreiii_gpio_set_alternate(i, 1); + + if (mscc_phy_rd(0, 0x10, 0x3, &pval) == 0 && + ((pval >> 4) & 0x3F) == 0x3c) { + gd->board_type = BOARD_TYPE_PCB112; /* Serval2-NID */ + } else if (mscc_phy_rd(1, 0x0, 0x3, &pval) == 0 && + ((pval >> 4) & 0x3F) == 0x3c) { + gd->board_type = BOARD_TYPE_PCB110; /* Jr2-24 */ + } else { + /* Fall-back */ + gd->board_type = BOARD_TYPE_PCB111; /* Jr2-48 */ + } +} + +#if defined(CONFIG_MULTI_DTB_FIT) +int board_fit_config_name_match(const char *name) +{ + if (gd->board_type == BOARD_TYPE_PCB110 && + strcmp(name, "jr2_pcb110") == 0) + return 0; + + if (gd->board_type == BOARD_TYPE_PCB111 && + strcmp(name, "jr2_pcb111") == 0) + return 0; + + if (gd->board_type == BOARD_TYPE_PCB112 && + strcmp(name, "serval2_pcb112") == 0) + return 0; + + return -1; +} +#endif + +#if defined(CONFIG_DTB_RESELECT) +int embedded_dtb_select(void) +{ + do_board_detect(); + fdtdec_setup(); + + return 0; +} +#endif diff --git a/board/mscc/ocelot/Makefile b/board/mscc/ocelot/Makefile index 9f28c81..54e6a06 100644 --- a/board/mscc/ocelot/Makefile +++ b/board/mscc/ocelot/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-obj-$(CONFIG_SOC_OCELOT) := ocelot.o +obj-$(CONFIG_SOC_OCELOT) := ocelot.o ../common/spi.o
diff --git a/board/mscc/ocelot/ocelot.c b/board/mscc/ocelot/ocelot.c index a05c308..0f7a532 100644 --- a/board/mscc/ocelot/ocelot.c +++ b/board/mscc/ocelot/ocelot.c @@ -18,28 +18,6 @@ enum { BOARD_TYPE_PCB123, };
-void external_cs_manage(struct udevice *dev, bool enable) -{ - u32 cs = spi_chip_select(dev); - /* IF_SI0_OWNER, select the owner of the SI interface - * Encoding: 0: SI Slave - * 1: SI Boot Master - * 2: SI Master Controller - */ - if (!enable) { - writel(ICPU_SW_MODE_SW_PIN_CTRL_MODE | - ICPU_SW_MODE_SW_SPI_CS(BIT(cs)), BASE_CFG + ICPU_SW_MODE); - clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, - ICPU_GENERAL_CTRL_IF_SI_OWNER_M, - ICPU_GENERAL_CTRL_IF_SI_OWNER(2)); - } else { - writel(0, BASE_CFG + ICPU_SW_MODE); - clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, - ICPU_GENERAL_CTRL_IF_SI_OWNER_M, - ICPU_GENERAL_CTRL_IF_SI_OWNER(1)); - } -} - void board_debug_uart_init(void) { /* too early for the pinctrl driver, so configure the UART pins here */