X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Fmpc5xxx%2Fserial.c;h=a8a384aa58b005ea0e4b185c9cd46148704f3700;hb=65e43a10631537dcb92c302d36301a12308216c3;hp=cacb9f057335c855145d185dab1e0cf7e3a9811e;hpb=71b405df4e8efc0d6ac3b308d15e74eaa029eb5c;p=oweals%2Fu-boot.git

diff --git a/cpu/mpc5xxx/serial.c b/cpu/mpc5xxx/serial.c
index cacb9f0573..a8a384aa58 100644
--- a/cpu/mpc5xxx/serial.c
+++ b/cpu/mpc5xxx/serial.c
@@ -23,6 +23,9 @@
  * Hacked for MPC8260 by Murray.Jensen@cmst.csiro.au, 19-Oct-00, with
  * changes based on the file arch/ppc/mbxboot/m8260_tty.c from the
  * Linux/PPC sources (m8260_tty.c had no copyright info in it).
+ *
+ * Martin Krause, 8 Jun 2006
+ * Added CONFIG_SERIAL_MULTI support
  */
 
 /*
@@ -33,6 +36,10 @@
 #include <common.h>
 #include <mpc5xxx.h>
 
+#if defined (CONFIG_SERIAL_MULTI)
+#include <serial.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 #if defined(CONFIG_PSC_CONSOLE)
@@ -55,9 +62,41 @@ DECLARE_GLOBAL_DATA_PTR;
 #error CONFIG_PSC_CONSOLE must be in 1 ... 6
 #endif
 
+#if defined(CONFIG_SERIAL_MULTI) && !defined(CONFIG_PSC_CONSOLE2)
+#error you must define CONFIG_PSC_CONSOLE2 if CONFIG_SERIAL_MULTI is set
+#endif
+
+#if defined(CONFIG_SERIAL_MULTI)
+#if CONFIG_PSC_CONSOLE2 == 1
+#define PSC_BASE2 MPC5XXX_PSC1
+#elif CONFIG_PSC_CONSOLE2 == 2
+#define PSC_BASE2 MPC5XXX_PSC2
+#elif CONFIG_PSC_CONSOLE2 == 3
+#define PSC_BASE2 MPC5XXX_PSC3
+#elif defined(CONFIG_MGT5100)
+#error CONFIG_PSC_CONSOLE2 must be in 1, 2 or 3
+#elif CONFIG_PSC_CONSOLE2 == 4
+#define PSC_BASE2 MPC5XXX_PSC4
+#elif CONFIG_PSC_CONSOLE2 == 5
+#define PSC_BASE2 MPC5XXX_PSC5
+#elif CONFIG_PSC_CONSOLE2 == 6
+#define PSC_BASE2 MPC5XXX_PSC6
+#else
+#error CONFIG_PSC_CONSOLE2 must be in 1 ... 6
+#endif
+#endif /* CONFIG_SERIAL_MULTI */
+
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_init_dev (unsigned long dev_base)
+#else
 int serial_init (void)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 	unsigned long baseclk;
 	int div;
 
@@ -67,7 +106,7 @@ int serial_init (void)
 	/* select clock sources */
 #if defined(CONFIG_MGT5100)
 	psc->psc_clock_select = 0xdd00;
-	baseclk = (CFG_MPC5XXX_CLKIN + 16) / 32;
+	baseclk = (CONFIG_SYS_MPC5XXX_CLKIN + 16) / 32;
 #elif defined(CONFIG_MPC5200)
 	psc->psc_clock_select = 0;
 	baseclk = (gd->ipb_clk + 16) / 32;
@@ -100,13 +139,24 @@ int serial_init (void)
 	return (0);
 }
 
-void
-serial_putc(const char c)
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_putc_dev (unsigned long dev_base, const char c)
+#else
+void serial_putc(const char c)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 
 	if (c == '\n')
+#if defined(CONFIG_SERIAL_MULTI)
+		serial_putc_dev (dev_base, '\r');
+#else
 		serial_putc('\r');
+#endif
 
 	/* Wait for last character to go. */
 	while (!(psc->psc_status & PSC_SR_TXEMP))
@@ -115,18 +165,51 @@ serial_putc(const char c)
 	psc->psc_buffer_8 = c;
 }
 
-void
-serial_puts (const char *s)
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_putc_raw_dev(unsigned long dev_base, const char c)
+#else
+void serial_putc_raw(const char c)
+#endif
+{
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
+	/* Wait for last character to go. */
+	while (!(psc->psc_status & PSC_SR_TXEMP))
+		;
+
+	psc->psc_buffer_8 = c;
+}
+
+
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_puts_dev (unsigned long dev_base, const char *s)
+#else
+void serial_puts (const char *s)
+#endif
 {
 	while (*s) {
+#if defined(CONFIG_SERIAL_MULTI)
+		serial_putc_dev (dev_base, *s++);
+#else
 		serial_putc (*s++);
+#endif
 	}
 }
 
-int
-serial_getc(void)
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_getc_dev (unsigned long dev_base)
+#else
+int serial_getc(void)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 
 	/* Wait for a character to arrive. */
 	while (!(psc->psc_status & PSC_SR_RXRDY))
@@ -135,22 +218,36 @@ serial_getc(void)
 	return psc->psc_buffer_8;
 }
 
-int
-serial_tstc(void)
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_tstc_dev (unsigned long dev_base)
+#else
+int serial_tstc(void)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 
 	return (psc->psc_status & PSC_SR_RXRDY);
 }
 
-void
-serial_setbrg(void)
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_setbrg_dev (unsigned long dev_base)
+#else
+void serial_setbrg(void)
+#endif
 {
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
 	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 	unsigned long baseclk, div;
 
 #if defined(CONFIG_MGT5100)
-	baseclk = (CFG_MPC5XXX_CLKIN + 16) / 32;
+	baseclk = (CONFIG_SYS_MPC5XXX_CLKIN + 16) / 32;
 #elif defined(CONFIG_MPC5200)
 	baseclk = (gd->ipb_clk + 16) / 32;
 #endif
@@ -160,4 +257,124 @@ serial_setbrg(void)
 	psc->ctur = (div >> 8) & 0xFF;
 	psc->ctlr =  div & 0xff;
 }
+
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_setrts_dev (unsigned long dev_base, int s)
+#else
+void serial_setrts(int s)
+#endif
+{
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
+
+	if (s) {
+		/* Assert RTS (become LOW) */
+		psc->op1 = 0x1;
+	}
+	else {
+		/* Negate RTS (become HIGH) */
+		psc->op0 = 0x1;
+	}
+}
+
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_getcts_dev (unsigned long dev_base)
+#else
+int serial_getcts(void)
+#endif
+{
+#if defined(CONFIG_SERIAL_MULTI)
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
+#else
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
+
+	return (psc->ip & 0x1) ? 0 : 1;
+}
+
+#if defined(CONFIG_SERIAL_MULTI)
+int serial0_init(void)
+{
+	return (serial_init_dev(PSC_BASE));
+}
+
+int serial1_init(void)
+{
+	return (serial_init_dev(PSC_BASE2));
+}
+void serial0_setbrg (void)
+{
+	serial_setbrg_dev(PSC_BASE);
+}
+void serial1_setbrg (void)
+{
+	serial_setbrg_dev(PSC_BASE2);
+}
+
+void serial0_putc(const char c)
+{
+	serial_putc_dev(PSC_BASE,c);
+}
+
+void serial1_putc(const char c)
+{
+	serial_putc_dev(PSC_BASE2, c);
+}
+void serial0_puts(const char *s)
+{
+	serial_puts_dev(PSC_BASE, s);
+}
+
+void serial1_puts(const char *s)
+{
+	serial_puts_dev(PSC_BASE2, s);
+}
+
+int serial0_getc(void)
+{
+	return(serial_getc_dev(PSC_BASE));
+}
+
+int serial1_getc(void)
+{
+	return(serial_getc_dev(PSC_BASE2));
+}
+int serial0_tstc(void)
+{
+	return (serial_tstc_dev(PSC_BASE));
+}
+
+int serial1_tstc(void)
+{
+	return (serial_tstc_dev(PSC_BASE2));
+}
+
+struct serial_device serial0_device =
+{
+	"serial0",
+	"UART0",
+	serial0_init,
+	serial0_setbrg,
+	serial0_getc,
+	serial0_tstc,
+	serial0_putc,
+	serial0_puts,
+};
+
+struct serial_device serial1_device =
+{
+	"serial1",
+	"UART1",
+	serial1_init,
+	serial1_setbrg,
+	serial1_getc,
+	serial1_tstc,
+	serial1_putc,
+	serial1_puts,
+};
+#endif /* CONFIG_SERIAL_MULTI */
+
 #endif /* CONFIG_PSC_CONSOLE */