diff options
Diffstat (limited to 'arch/arm/mach-imx/imx8')
-rw-r--r-- | arch/arm/mach-imx/imx8/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-imx/imx8/misc.c | 39 |
2 files changed, 40 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/imx8/Makefile b/arch/arm/mach-imx/imx8/Makefile index 31ad169ccf3..92b5c56acb2 100644 --- a/arch/arm/mach-imx/imx8/Makefile +++ b/arch/arm/mach-imx/imx8/Makefile @@ -4,4 +4,4 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-y += cpu.o iomux.o +obj-y += cpu.o iomux.o misc.o diff --git a/arch/arm/mach-imx/imx8/misc.c b/arch/arm/mach-imx/imx8/misc.c new file mode 100644 index 00000000000..fe73e29eee2 --- /dev/null +++ b/arch/arm/mach-imx/imx8/misc.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0+ +#include <common.h> +#include <asm/arch/sci/sci.h> + +int sc_pm_setup_uart(sc_rsrc_t uart_rsrc, sc_pm_clock_rate_t clk_rate) +{ + sc_pm_clock_rate_t rate = clk_rate; + int ret; + + /* Power up UARTn */ + ret = sc_pm_set_resource_power_mode(-1, uart_rsrc, SC_PM_PW_MODE_ON); + if (ret) + return ret; + + /* Set UARTn clock root to 'rate' MHz */ + ret = sc_pm_set_clock_rate(-1, uart_rsrc, SC_PM_CLK_PER, &rate); + if (ret) + return ret; + + /* Enable UARTn clock root */ + ret = sc_pm_clock_enable(-1, uart_rsrc, SC_PM_CLK_PER, true, false); + if (ret) + return ret; + + return 0; +} + +void build_info(void) +{ + u32 sc_build = 0, sc_commit = 0; + + /* Get SCFW build and commit id */ + sc_misc_build_info(-1, &sc_build, &sc_commit); + if (!sc_build) { + printf("SCFW does not support build info\n"); + sc_commit = 0; /* Display 0 if build info not supported */ + } + printf("Build: SCFW %x\n", sc_commit); +} |