more danube 2 ifxmips transitions
[openwrt.git] / target / linux / ifxmips / files / arch / mips / danube / setup.c
index 60b0ce2..8aac788 100644 (file)
@@ -1,5 +1,5 @@
 /*
- *   arch/mips/danube/setup.c
+ *   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
@@ -17,7 +17,7 @@
  *
  *   Copyright (C) 2004 peng.liu@infineon.com 
  *
- *   Rewrite of Infineon Danube code, thanks to infineon for the support,
+ *   Rewrite of Infineon IFXMips code, thanks to infineon for the support,
  *   software and hardware
  *
  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
 #include <asm/traps.h>
 #include <asm/cpu.h>
 #include <asm/irq.h>
-#include <asm/danube/danube.h>
-#include <asm/danube/danube_irq.h>
-#include <asm/danube/danube_pmu.h>
+#include <asm/ifxmips/ifxmips.h>
+#include <asm/ifxmips/ifxmips_irq.h>
+#include <asm/ifxmips/ifxmips_pmu.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 danube_reboot_setup (void);
+extern void ifxmips_reboot_setup (void);
 void prom_printf (const char * fmt, ...);
 
 void
@@ -47,9 +47,9 @@ __init bus_error_init (void)
 }
 
 unsigned int
-danube_get_ddr_hz (void)
+ifxmips_get_ddr_hz (void)
 {
-       switch (readl(DANUBE_CGU_SYS) & 0x3)
+       switch (readl(IFXMIPS_CGU_SYS) & 0x3)
        {
        case 0:
                return CLOCK_167M;
@@ -60,13 +60,13 @@ danube_get_ddr_hz (void)
        }
        return CLOCK_83M;
 }
-EXPORT_SYMBOL(danube_get_ddr_hz);
+EXPORT_SYMBOL(ifxmips_get_ddr_hz);
 
 unsigned int
-danube_get_cpu_hz (void)
+ifxmips_get_cpu_hz (void)
 {
-       unsigned int ddr_clock = danube_get_ddr_hz();
-       switch (readl(DANUBE_CGU_SYS) & 0xc)
+       unsigned int ddr_clock = ifxmips_get_ddr_hz();
+       switch (readl(IFXMIPS_CGU_SYS) & 0xc)
        {
        case 0:
                return CLOCK_333M;
@@ -75,38 +75,38 @@ danube_get_cpu_hz (void)
        }
        return ddr_clock << 1;
 }
-EXPORT_SYMBOL(danube_get_cpu_hz);
+EXPORT_SYMBOL(ifxmips_get_cpu_hz);
 
 unsigned int
-danube_get_fpi_hz (void)
+ifxmips_get_fpi_hz (void)
 {
-       unsigned int ddr_clock = danube_get_ddr_hz();
-       if (readl(DANUBE_CGU_SYS) & 0x40)
+       unsigned int ddr_clock = ifxmips_get_ddr_hz();
+       if (readl(IFXMIPS_CGU_SYS) & 0x40)
        {
                return ddr_clock >> 1;
        }
        return ddr_clock;
 }
-EXPORT_SYMBOL(danube_get_fpi_hz);
+EXPORT_SYMBOL(ifxmips_get_fpi_hz);
 
 unsigned int
-danube_get_cpu_ver (void)
+ifxmips_get_cpu_ver (void)
 {
-       return readl(DANUBE_MCD_CHIPID) & 0xFFFFF000;
+       return readl(IFXMIPS_MCD_CHIPID) & 0xFFFFF000;
 }
-EXPORT_SYMBOL(danube_get_cpu_ver);
+EXPORT_SYMBOL(ifxmips_get_cpu_ver);
 
 void
-danube_time_init (void)
+ifxmips_time_init (void)
 {
-       mips_hpt_frequency = danube_get_cpu_hz() / 2;
+       mips_hpt_frequency = ifxmips_get_cpu_hz() / 2;
        r4k_offset = mips_hpt_frequency / HZ;
        printk("mips_hpt_frequency:%d\n", mips_hpt_frequency);
        printk("r4k_offset: %08x(%d)\n", r4k_offset, r4k_offset);
 }
 
 int
-danube_be_handler(struct pt_regs *regs, int is_fixup)
+ifxmips_be_handler(struct pt_regs *regs, int is_fixup)
 {
        /*TODO*/
        printk(KERN_ERR "TODO: BUS error\n");
@@ -116,15 +116,15 @@ danube_be_handler(struct pt_regs *regs, int is_fixup)
 
 /* ISR GPTU Timer 6 for high resolution timer */
 static irqreturn_t
-danube_timer6_interrupt(int irq, void *dev_id)
+ifxmips_timer6_interrupt(int irq, void *dev_id)
 {
-       timer_interrupt(DANUBE_TIMER6_INT, NULL);
+       timer_interrupt(IFXMIPS_TIMER6_INT, NULL);
 
        return IRQ_HANDLED;
 }
 
 static struct irqaction hrt_irqaction = {
-       .handler = danube_timer6_interrupt,
+       .handler = ifxmips_timer6_interrupt,
        .flags = IRQF_DISABLED,
        .name = "hrt",
 };
@@ -139,18 +139,18 @@ plat_timer_setup (struct irqaction *irq)
        r4k_cur = (read_c0_count() + r4k_offset);
        write_c0_compare(r4k_cur);
 
-       danube_pmu_enable(DANUBE_PMU_PWDCR_GPT | DANUBE_PMU_PWDCR_FPI);
+       ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI);
 
-       writel(0x100, DANUBE_GPTU_GPT_CLC);
+       writel(0x100, IFXMIPS_GPTU_GPT_CLC);
 
-       writel(0xffff, DANUBE_GPTU_GPT_CAPREL);
-       writel(0x80C0, DANUBE_GPTU_GPT_T6CON);
+       writel(0xffff, IFXMIPS_GPTU_GPT_CAPREL);
+       writel(0x80C0, IFXMIPS_GPTU_GPT_T6CON);
 
-       retval = setup_irq(DANUBE_TIMER6_INT, &hrt_irqaction);
+       retval = setup_irq(IFXMIPS_TIMER6_INT, &hrt_irqaction);
 
        if (retval)
        {
-               prom_printf("reqeust_irq failed %d. HIGH_RES_TIMER is diabled\n", DANUBE_TIMER6_INT);
+               prom_printf("reqeust_irq failed %d. HIGH_RES_TIMER is diabled\n", IFXMIPS_TIMER6_INT);
        }
 }
 
@@ -158,7 +158,7 @@ void __init
 plat_mem_setup (void)
 {
        u32 status;
-       prom_printf("This %s has a cpu rev of 0x%X\n", BOARD_SYSTEM_TYPE, danube_get_cpu_ver());
+       prom_printf("This %s has a cpu rev of 0x%X\n", BOARD_SYSTEM_TYPE, ifxmips_get_cpu_ver());
 
        //TODO WHY ???
        /* clear RE bit*/
@@ -166,9 +166,9 @@ plat_mem_setup (void)
        status &= (~(1<<25));
        write_c0_status(status);
 
-       danube_reboot_setup();
-       board_time_init = danube_time_init;
-       board_be_handler = &danube_be_handler;
+       ifxmips_reboot_setup();
+       board_time_init = ifxmips_time_init;
+       board_be_handler = &ifxmips_be_handler;
 
        ioport_resource.start = IOPORT_RESOURCE_START;
        ioport_resource.end = IOPORT_RESOURCE_END;
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