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 | 53 |
1 files changed, 17 insertions, 36 deletions
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c index 19b6c307d..7093b7f7e 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c @@ -1,6 +1,4 @@ /* - * arch/mips/ifxmips/setup.c - * * 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 @@ -16,12 +14,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. * * Copyright (C) 2004 peng.liu@infineon.com - * - * Rewrite of Infineon IFXMips code, thanks to infineon for the support, - * software and hardware - * * Copyright (C) 2007 John Crispin <blogic@openwrt.org> - * */ #include <linux/init.h> @@ -30,26 +23,21 @@ #include <asm/traps.h> #include <asm/cpu.h> #include <asm/irq.h> +#include <asm/bootinfo.h> #include <asm/ifxmips/ifxmips.h> #include <asm/ifxmips/ifxmips_irq.h> #include <asm/ifxmips/ifxmips_pmu.h> +#include <asm/ifxmips/ifxmips_prom.h> -static unsigned int r4k_offset; /* Amount to increment compare reg each time */ -static unsigned int r4k_cur; /* What counter should be at next timer irq */ - -extern void ifxmips_reboot_setup (void); -void prom_printf (const char * fmt, ...); +static unsigned int r4k_offset; +static unsigned int r4k_cur; -void -__init bus_error_init (void) -{ - /* nothing yet */ -} +extern void ifxmips_reboot_setup(void); unsigned int -ifxmips_get_ddr_hz (void) +ifxmips_get_ddr_hz(void) { - switch (ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3) + switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3) { case 0: return CLOCK_167M; @@ -63,10 +51,10 @@ ifxmips_get_ddr_hz (void) EXPORT_SYMBOL(ifxmips_get_ddr_hz); unsigned int -ifxmips_get_cpu_hz (void) +ifxmips_get_cpu_hz(void) { unsigned int ddr_clock = ifxmips_get_ddr_hz(); - switch (ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc) + switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc) { case 0: return CLOCK_333M; @@ -78,25 +66,24 @@ ifxmips_get_cpu_hz (void) EXPORT_SYMBOL(ifxmips_get_cpu_hz); unsigned int -ifxmips_get_fpi_hz (void) +ifxmips_get_fpi_hz(void) { unsigned int ddr_clock = ifxmips_get_ddr_hz(); - if (ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40) - { + if(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40) return ddr_clock >> 1; - } return ddr_clock; } EXPORT_SYMBOL(ifxmips_get_fpi_hz); unsigned int -ifxmips_get_cpu_ver (void) +ifxmips_get_cpu_ver(void) { return ifxmips_r32(IFXMIPS_MCD_CHIPID) & 0xFFFFF000; } EXPORT_SYMBOL(ifxmips_get_cpu_ver); -static __inline__ u32 get_counter_resolution(void) +static __inline__ u32 +ifxmips_get_counter_resolution(void) { u32 res; __asm__ __volatile__( @@ -123,9 +110,9 @@ ifxmips_be_handler(struct pt_regs *regs, int is_fixup) } void __init -plat_time_init (void) +plat_time_init(void) { - mips_hpt_frequency = ifxmips_get_cpu_hz()/get_counter_resolution(); + 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); @@ -136,23 +123,17 @@ plat_time_init (void) ifxmips_w32(0x80C0, IFXMIPS_GPTU_GPT_T6CON); } -extern const char* get_system_type (void); - -//void (*board_time_init)(void); void __init -plat_mem_setup (void) +plat_mem_setup(void) { u32 status; prom_printf("This %s has a cpu rev of 0x%X\n", get_system_type(), ifxmips_get_cpu_ver()); - //TODO WHY ??? - /* clear RE bit*/ status = read_c0_status(); status &= (~(1<<25)); write_c0_status(status); ifxmips_reboot_setup(); -// board_time_init = ifxmips_time_init; board_be_handler = &ifxmips_be_handler; ioport_resource.start = IOPORT_RESOURCE_START; |