From 5deb3317cb51ac52de922bb55f8492624018906d Mon Sep 17 00:00:00 2001
From: Roman Yeryomin <roman@advem.lv>
Date: Thu, 13 Sep 2012 00:40:35 +0300
Subject: Add realtek target files

Signed-off-by: Roman Yeryomin <roman@advem.lv>
---
 .../linux/realtek/files/arch/mips/rtl8196c/setup.c | 191 +++++++++++++++++++++
 1 file changed, 191 insertions(+)
 create mode 100644 target/linux/realtek/files/arch/mips/rtl8196c/setup.c

(limited to 'target/linux/realtek/files/arch/mips/rtl8196c/setup.c')

diff --git a/target/linux/realtek/files/arch/mips/rtl8196c/setup.c b/target/linux/realtek/files/arch/mips/rtl8196c/setup.c
new file mode 100644
index 000000000..7a2598495
--- /dev/null
+++ b/target/linux/realtek/files/arch/mips/rtl8196c/setup.c
@@ -0,0 +1,191 @@
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/ioport.h>
+#include <linux/tty.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/serial.h>
+#include <asm/io.h>
+#include <asm/time.h>
+
+#include <prom.h>
+#include <platform.h>
+
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/percpu.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/notifier.h>
+#include <linux/thread_info.h>
+#include <linux/time.h>
+#include <linux/jiffies.h>
+#include <linux/posix-timers.h>
+#include <linux/cpu.h>
+#include <linux/syscalls.h>
+#include <linux/delay.h>
+
+#include <asm/uaccess.h>
+#include <asm/unistd.h>
+#include <asm/div64.h>
+#include <asm/timex.h>
+#include <asm/io.h>
+
+static void __init serial_init(void);
+#if 0
+static void __init rtl8652_time_init(void);
+static void rtl8652_timer_ack(void);
+
+/*
+ * Called from the timer interrupt handler to charge one tick to the current 
+ * process.  user_tick is 1 if the tick is user time, 0 for system.
+ */
+
+void local_timer_interrupt(int irq, void *dev_id)
+{
+//	profile_tick(CPU_PROFILING);
+	account_process_tick(current, user_mode(get_irq_regs()));
+}
+/*
+ * High-level timer interrupt service routines.  This function
+ * is set as irqaction->handler and is invoked through do_IRQ.
+ */
+ 
+irqreturn_t timer_interrupt(int irq, void *dev_id)
+{
+	write_seqlock(&xtime_lock);
+
+//Add for update flash check
+
+	rtl8652_timer_ack();
+	
+	/*
+	 * call the generic timer interrupt handling
+	 */
+	do_timer(1);
+
+
+	write_sequnlock(&xtime_lock);
+
+	/*
+	 * In UP mode, we call local_timer_interrupt() to do profiling
+	 * and process accouting.
+	 *
+	 * In SMP mode, local_timer_interrupt() is invoked by appropriate
+	 * low-level local timer interrupt handler.
+	 */
+	local_timer_interrupt(irq, dev_id);
+
+	return IRQ_HANDLED;
+}
+#endif
+const char *get_system_type(void)
+{
+   return "RTL8652";
+}
+
+void __init prom_init(void)
+{
+   prom_console_init();
+   prom_meminit();
+}
+
+void __init plat_mem_setup(void)
+{
+   /* Platform Specific Setup */
+   /* define io/mem region */
+    ioport_resource.start = 0x18000000; 
+    ioport_resource.end = 0x1fffffff;
+
+    iomem_resource.start = 0x18000000;
+    iomem_resource.end = 0x1fffffff;
+       
+   serial_init();
+
+//   board_time_init = rtl8652_time_init;
+//   mips_timer_ack = rtl8652_timer_ack;
+}
+
+#if 0
+static void rtl8652_timer_ack(void)
+{
+   REG32(TCIR) |= TC0IP;
+}
+
+static void __init rtl8652_time_init(void)
+{
+
+}
+#endif
+
+extern int  rtl_clockevent_init(int irq);
+//void __init plat_time_init(struct irqaction *irq)
+void __init plat_time_init(void)
+{
+   /* Setup Timer0 */
+
+   /* Clear Timer IP status */
+   if (REG32(TCIR) & TC0IP)
+      REG32(TCIR) |= TC0IP;
+
+   /* Here irq->handler is passed from outside */
+  // irq->handler = timer_interrupt;
+   //setup_irq(TC0_IRQ, irq);
+
+   REG32(TCCNR) = 0; /* disable timer before setting CDBR */
+   /* extend timer base to 4 times for wireless init process */
+#if 0
+   REG32(CDBR) = (DIVISOR) << DIVF_OFFSET;
+   REG32(TC0DATA) = (MHZ * (1000 / HZ)) << TCD_OFFSET;
+#else
+   REG32(CDBR)=(DIVISOR*4) << DIVF_OFFSET;
+   REG32(TC0DATA) = ((MHZ * 250) / HZ) << TCD_OFFSET;
+#endif 
+
+    rtl_clockevent_init(TC0_IRQ);
+   /* enable timer */
+   REG32(TCCNR) = TC0EN | TC0MODE_TIMER;
+   REG32(TCIR) = TC0IE;
+   #ifdef CONFIG_RTL865X_WTDOG
+   *(volatile unsigned long *)(0xb800311C)=0x00600000;
+   #endif
+}
+
+extern int __init early_serial_setup(struct uart_port *port);
+static void __init serial_init(void)
+{
+#ifdef CONFIG_SERIAL_8250
+   struct uart_port s;
+
+   memset(&s, 0, sizeof(s));
+
+   s.line = 0;
+   s.type = PORT_16550A;
+   //s.membase = (unsigned char *) UART0_BASE;
+   s.mapbase = UART0_MAP_BASE;
+   s.membase = ioremap_nocache(s.mapbase, 0x20);
+   s.irq = UART0_IRQ;
+   //s.uartclk = SYSCLK - BAUDRATE * 24;
+   s.uartclk = 200000000;
+   //s.flags = UPF_SKIP_TEST | UPF_LOW_LATENCY | UPF_SPD_CUST;
+   s.flags = UPF_SKIP_TEST | UPF_LOW_LATENCY;
+   s.iotype = UPIO_MEM;
+   s.regshift = 2;
+   //s.fifosize = 1;
+   s.fifosize = 16;
+  // s.custom_divisor = SYSCLK / (BAUDRATE * 16) - 1;
+
+   /* Call early_serial_setup() here, to set up 8250 console driver */
+   if (early_serial_setup(&s) != 0) {
+      panic("Serial setup failed!\n");
+   }
+#endif
+}
-- 
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