/*
- * (C) Copyright 2002
+ * (C) Copyright 2002-2004
* Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
*
* (C) Copyright 2002
*/
#include <common.h>
+
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO)
+
#include <clps7111.h>
+DECLARE_GLOBAL_DATA_PTR;
+
void serial_setbrg (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
unsigned int reg = 0;
- if (gd->baudrate == 1200)
- reg = 191;
- else if (gd->baudrate == 9600)
- reg = 23;
- else if (gd->baudrate == 19200)
- reg = 11;
- else if (gd->baudrate == 38400)
- reg = 5;
- else if (gd->baudrate == 57600)
- reg = 3;
- else if (gd->baudrate == 115200)
- reg = 1;
- else
- hang ();
+ switch (gd->baudrate) {
+ case 1200: reg = 191; break;
+ case 9600: reg = 23; break;
+ case 19200: reg = 11; break;
+ case 38400: reg = 5; break;
+ case 57600: reg = 3; break;
+ case 115200: reg = 1; break;
+ default: hang (); break;
+ }
/* init serial serial 1,2 */
IO_SYSCON1 = SYSCON1_UART1EN;
serial_putc (*s++);
}
}
+
+#elif defined(CONFIG_LPC2292)
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#include <asm/arch/hardware.h>
+
+void serial_setbrg (void)
+{
+ unsigned short divisor = 0;
+
+ switch (gd->baudrate) {
+ case 1200: divisor = 3072; break;
+ case 9600: divisor = 384; break;
+ case 19200: divisor = 192; break;
+ case 38400: divisor = 96; break;
+ case 57600: divisor = 64; break;
+ case 115200: divisor = 32; break;
+ default: hang (); break;
+ }
+
+ /* init serial UART0 */
+ PUT8(U0LCR, 0);
+ PUT8(U0IER, 0);
+ PUT8(U0LCR, 0x80); /* DLAB=1 */
+ PUT8(U0DLL, (unsigned char)(divisor & 0x00FF));
+ PUT8(U0DLM, (unsigned char)(divisor >> 8));
+ PUT8(U0LCR, 0x03); /* 8N1, DLAB=0 */
+ PUT8(U0FCR, 1); /* Enable RX and TX FIFOs */
+}
+
+int serial_init (void)
+{
+ unsigned long pinsel0;
+
+ serial_setbrg ();
+
+ pinsel0 = GET32(PINSEL0);
+ pinsel0 &= ~(0x00000003);
+ pinsel0 |= 5;
+ PUT32(PINSEL0, pinsel0);
+
+ return (0);
+}
+
+void serial_putc (const char c)
+{
+ if (c == '\n')
+ {
+ while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
+ PUT8(U0THR, '\r');
+ }
+
+ while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
+ PUT8(U0THR, c);
+}
+
+int serial_getc (void)
+{
+ while((GET8(U0LSR) & 1) == 0);
+ return GET8(U0RBR);
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+/* Test if there is a byte to read */
+int serial_tstc (void)
+{
+ return (GET8(U0LSR) & 1);
+}
+
+#endif