1 files changed, 92 insertions, 0 deletions
diff --git a/target/linux/realtek/files/arch/rlx/bsp_rtl8196e/serial.c b/target/linux/realtek/files/arch/rlx/bsp_rtl8196e/serial.c
new file mode 100644
index 000000000..d99862054
--- /dev/null
+++ b/target/linux/realtek/files/arch/rlx/bsp_rtl8196e/serial.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2006, Realtek Semiconductor Corp.
+ *
+ * arch/rlx/rlxocp/serial.c
+ *     RTL819xD serial port initialization
+ *
+ * Tony Wu (tonywu@realtek.com.tw)
+ * Nov. 07, 2006
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
+#include <linux/string.h>
+
+#include <asm/serial.h>
+
+#include "bspchip.h"
+
+void __init bsp_serial_init(void)
+{
+#ifdef CONFIG_SERIAL_SC16IS7X0
+	extern void __init sc16is7x0_get_port( struct uart_port *port );
+#endif
+#if defined( CONFIG_SERIAL_SC16IS7X0 ) || defined( CONFIG_SERIAL_RTL8198_UART1 )
+	unsigned int line = 0; 
+#else
+	const unsigned int line = 0; 
+#endif
+
+	struct uart_port s;
+
+	/* clear memory */
+	memset(&s, 0, sizeof(s));
+
+    /*
+     * UART0
+     */
+	s.line = line;
+    s.type = PORT_16550A;
+    s.irq = BSP_UART0_IRQ;
+    s.iotype = UPIO_MEM;
+    s.regshift = 2;
+#if 1
+	s.uartclk = BSP_SYS_CLK_RATE;
+    s.fifosize = 16;
+	//s.flags = UPF_SKIP_TEST | UPF_LOW_LATENCY;
+	s.flags = UPF_SKIP_TEST;
+	s.mapbase = BSP_UART0_MAP_BASE;
+	//s.membase = ioremap_nocache(s.mapbase, BSP_UART0_MAPSIZE);
+	s.membase = ioremap_nocache(s.mapbase, 0x20);
+#else
+	s.uartclk = BSP_SYS_CLK_RATE - BSP_BAUDRATE * 24; //???
+    s.fifosize = 1;                           //???
+    s.flags = UPF_SKIP_TEST | UPF_LOW_LATENCY | UPF_SPD_CUST;
+    s.membase = (unsigned char *)BSP_UART0_BASE;
+    s.custom_divisor = BSP_SYS_CLK_RATE / (BSP_BAUDRATE * 16) - 1;
+#endif
+
+	if (early_serial_setup(&s) != 0) {
+		panic("RTL819xD: bsp_serial_init failed!");
+	}
+
+#ifdef CONFIG_SERIAL_RTL8198_UART1
+	// UART1 
+#define UART_BASE         0xB8000100  //0xb8002100 uart 1 
+#define REG32(reg)       (*(volatile unsigned int *)(reg))
+ REG32(0xb8000040)= (REG32(0xb8000040) & ~(0x3<<3)) | (0x01<<3);   //pin mux to UART1 
+ REG32(0xb8002110) |= (1<<29);   //enable flow control
+	s.line = ++ line;
+    s.irq = BSP_UART1_IRQ;
+	s.mapbase = BSP_UART1_MAP_BASE;
+	s.membase = ioremap_nocache(s.mapbase, 0x20);
+	
+	if (early_serial_setup(&s) != 0) {
+		panic("RTL819xD: bsp_serial_init UART1 failed!");
+	}	
+#endif
+
+#ifdef CONFIG_SERIAL_SC16IS7X0
+	sc16is7x0_get_port( &s );
+	s.line = ++ line;
+
+	if (early_serial_setup(&s) != 0) {
+		panic("RTL819xD: bsp_serial_init i2c uart failed!");
+	}
+#endif
+
+}