diff options
Diffstat (limited to 'arch/mips/vr41xx/common/init.c')
-rw-r--r-- | arch/mips/vr41xx/common/init.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c new file mode 100644 index 000000000..ca53ac306 --- /dev/null +++ b/arch/mips/vr41xx/common/init.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * init.c, Common initialization routines for NEC VR4100 series. + * + * Copyright (C) 2003-2009 Yoichi Yuasa <yuasa@linux-mips.org> + */ +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/irq.h> +#include <linux/string.h> + +#include <asm/bootinfo.h> +#include <asm/time.h> +#include <asm/vr41xx/irq.h> +#include <asm/vr41xx/vr41xx.h> + +#define IO_MEM_RESOURCE_START 0UL +#define IO_MEM_RESOURCE_END 0x1fffffffUL + +static void __init iomem_resource_init(void) +{ + iomem_resource.start = IO_MEM_RESOURCE_START; + iomem_resource.end = IO_MEM_RESOURCE_END; +} + +void __init plat_time_init(void) +{ + unsigned long tclock; + + vr41xx_calculate_clock_frequency(); + + tclock = vr41xx_get_tclock_frequency(); + if (current_cpu_data.processor_id == PRID_VR4131_REV2_0 || + current_cpu_data.processor_id == PRID_VR4131_REV2_1) + mips_hpt_frequency = tclock / 2; + else + mips_hpt_frequency = tclock / 4; +} + +void __init plat_mem_setup(void) +{ + iomem_resource_init(); + + vr41xx_siu_setup(); +} + +void __init prom_init(void) +{ + int argc, i; + char **argv; + + argc = fw_arg0; + argv = (char **)fw_arg1; + + for (i = 1; i < argc; i++) { + strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE); + if (i < (argc - 1)) + strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE); + } +} + +void __init prom_free_prom_memory(void) +{ +} |