diff options
Diffstat (limited to 'arch/arm/cpu/armv8')
| -rw-r--r-- | arch/arm/cpu/armv8/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/Kconfig | 23 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/mp.c | 7 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/slcr.c | 63 |
5 files changed, 89 insertions, 7 deletions
diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile index dee5e258b6..6466ebb460 100644 --- a/arch/arm/cpu/armv8/Makefile +++ b/arch/arm/cpu/armv8/Makefile @@ -16,4 +16,4 @@ obj-y += tlb.o obj-y += transition.o obj-$(CONFIG_FSL_LSCH3) += fsl-lsch3/ -obj-$(CONFIG_TARGET_XILINX_ZYNQMP) += zynqmp/ +obj-$(CONFIG_ARCH_ZYNQMP) += zynqmp/ diff --git a/arch/arm/cpu/armv8/zynqmp/Kconfig b/arch/arm/cpu/armv8/zynqmp/Kconfig new file mode 100644 index 0000000000..c8fcfb6abb --- /dev/null +++ b/arch/arm/cpu/armv8/zynqmp/Kconfig @@ -0,0 +1,23 @@ +if ARCH_ZYNQMP + +choice + prompt "Xilinx ZynqMP board select" + +config TARGET_ZYNQMP_EP + bool "ZynqMP EP Board" + +endchoice + +config SYS_BOARD + default "zynqmp" + +config SYS_VENDOR + default "xilinx" + +config SYS_SOC + default "zynqmp" + +config SYS_CONFIG_NAME + default "xilinx_zynqmp_ep" if TARGET_ZYNQMP_EP + +endif diff --git a/arch/arm/cpu/armv8/zynqmp/Makefile b/arch/arm/cpu/armv8/zynqmp/Makefile index efab5eabc9..d0ed2223ff 100644 --- a/arch/arm/cpu/armv8/zynqmp/Makefile +++ b/arch/arm/cpu/armv8/zynqmp/Makefile @@ -8,3 +8,4 @@ obj-y += clk.o obj-y += cpu.o obj-$(CONFIG_MP) += mp.o +obj-y += slcr.o diff --git a/arch/arm/cpu/armv8/zynqmp/mp.c b/arch/arm/cpu/armv8/zynqmp/mp.c index 17e32a7b7c..dcb80b522e 100644 --- a/arch/arm/cpu/armv8/zynqmp/mp.c +++ b/arch/arm/cpu/armv8/zynqmp/mp.c @@ -216,12 +216,7 @@ int cpu_release(int nr, int argc, char * const argv[]) printf("R5 lockstep mode\n"); set_r5_tcm_mode(LOCK); set_r5_halt_mode(HALT, LOCK); - - if (boot_addr == 0) - set_r5_start(0); - else - set_r5_start(1); - + set_r5_start(boot_addr); enable_clock_r5(); release_r5_reset(LOCK); set_r5_halt_mode(RELEASE, LOCK); diff --git a/arch/arm/cpu/armv8/zynqmp/slcr.c b/arch/arm/cpu/armv8/zynqmp/slcr.c new file mode 100644 index 0000000000..713e9a62c0 --- /dev/null +++ b/arch/arm/cpu/armv8/zynqmp/slcr.c @@ -0,0 +1,63 @@ +/* + * (C) Copyright 2014 - 2015 Xilinx, Inc. + * Michal Simek <michal.simek@xilinx.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <malloc.h> +#include <asm/arch/hardware.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/clk.h> + +/* + * zynq_slcr_mio_get_status - Get the status of MIO peripheral. + * + * @peri_name: Name of the peripheral for checking MIO status + * @get_pins: Pointer to array of get pin for this peripheral + * @num_pins: Number of pins for this peripheral + * @mask: Mask value + * @check_val: Required check value to get the status of periph + */ +struct zynq_slcr_mio_get_status { + const char *peri_name; + const int *get_pins; + int num_pins; + u32 mask; + u32 check_val; +}; + +static const struct zynq_slcr_mio_get_status mio_periphs[] = { +}; + +/* + * zynq_slcr_get_mio_pin_status - Get the MIO pin status of peripheral. + * + * @periph: Name of the peripheral + * + * Returns count to indicate the number of pins configured for the + * given @periph. + */ +int zynq_slcr_get_mio_pin_status(const char *periph) +{ + const struct zynq_slcr_mio_get_status *mio_ptr; + int val, i, j; + int mio = 0; + + for (i = 0; i < ARRAY_SIZE(mio_periphs); i++) { + if (strcmp(periph, mio_periphs[i].peri_name) == 0) { + mio_ptr = &mio_periphs[i]; + for (j = 0; j < mio_ptr->num_pins; j++) { + val = readl(&slcr_base->mio_pin + [mio_ptr->get_pins[j]]); + if ((val & mio_ptr->mask) == mio_ptr->check_val) + mio++; + } + break; + } + } + + return mio; +} |