diff options
Diffstat (limited to 'target/linux/ifxmips/files/arch/mips/ifxmips/setup.c')
| -rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/setup.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c deleted file mode 100644 index 06fa2f0b4..000000000 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2004 peng.liu@infineon.com - * Copyright (C) 2007 John Crispin <blogic@openwrt.org> - */ - -#include <linux/init.h> -#include <linux/cpu.h> - -#include <asm/time.h> -#include <asm/traps.h> -#include <asm/irq.h> -#include <asm/bootinfo.h> - -#include <ifxmips.h> -#include <ifxmips_irq.h> -#include <ifxmips_pmu.h> -#include <ifxmips_cgu.h> -#include <ifxmips_prom.h> - -static unsigned int r4k_offset; -static unsigned int r4k_cur; - -/* required in arch/mips/kernel/kspd.c */ -unsigned long cpu_khz; - -extern void ifxmips_reboot_setup(void); - -unsigned int ifxmips_get_cpu_ver(void) -{ - return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28; -} -EXPORT_SYMBOL(ifxmips_get_cpu_ver); - -static inline u32 ifxmips_get_counter_resolution(void) -{ - u32 res; - __asm__ __volatile__( - ".set push\n" - ".set mips32r2\n" - ".set noreorder\n" - "rdhwr %0, $3\n" - "ehb\n" - ".set pop\n" - : "=&r" (res) - : /* no input */ - : "memory"); - instruction_hazard(); - return res; -} - -void __init plat_time_init(void) -{ - mips_hpt_frequency = ifxmips_get_cpu_hz() / ifxmips_get_counter_resolution(); - r4k_cur = (read_c0_count() + r4k_offset); - write_c0_compare(r4k_cur); - - ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI); - ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC); /* set clock divider to 1 */ - cpu_khz = ifxmips_get_cpu_hz(); -} - -void __init plat_mem_setup(void) -{ - u32 status; - prom_printf("This %s system has a cpu rev of %d\n", get_system_type(), ifxmips_get_cpu_ver()); - - /* make sure to have no "reverse endian" for user mode! */ - status = read_c0_status(); - status &= (~(1<<25)); - write_c0_status(status); - - ifxmips_reboot_setup(); - - ioport_resource.start = IOPORT_RESOURCE_START; - ioport_resource.end = IOPORT_RESOURCE_END; - iomem_resource.start = IOMEM_RESOURCE_START; - iomem_resource.end = IOMEM_RESOURCE_END; -} |