lots of code cleanup for ifxmips

[openwrt.git] / target / linux / ifxmips / files / arch / mips / ifxmips / setup.c

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c
index 19b6c30..7093b7f 100644 (file)
--- 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;