summaryrefslogtreecommitdiff
path: root/cpu/ppc4xx/serial.c
diff options
context:
space:
mode:
authorWolfgang Denk <wd@pollux.denx.de>2006-08-07 23:21:52 +0200
committerWolfgang Denk <wd@pollux.denx.de>2006-08-07 23:21:52 +0200
commit98280e3d431db77d92219438b8840853bd7cb412 (patch)
treef771fe8d5086d32cda26a0b8d16f9b95e761838e /cpu/ppc4xx/serial.c
parent99d70e3a47affb9bae041a2caece7cd516e213b3 (diff)
parent6587f7e1e98bfcb7910a47bae2eb51e9a5fbd4da (diff)
downloadu-boot-imx-98280e3d431db77d92219438b8840853bd7cb412.zip
u-boot-imx-98280e3d431db77d92219438b8840853bd7cb412.tar.gz
u-boot-imx-98280e3d431db77d92219438b8840853bd7cb412.tar.bz2
Merge with /home/wd/git/u-boot/master
Diffstat (limited to 'cpu/ppc4xx/serial.c')
-rw-r--r--cpu/ppc4xx/serial.c41
1 files changed, 34 insertions, 7 deletions
diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c
index 83c9479..ad3ca6e 100644
--- a/cpu/ppc4xx/serial.c
+++ b/cpu/ppc4xx/serial.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2000
+ * (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -275,11 +275,11 @@ int serial_tstc ()
#define UART1_BASE CFG_PERIPHERAL_BASE + 0x00000300
#endif
-#if defined(CONFIG_440SP)
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
#define UART2_BASE CFG_PERIPHERAL_BASE + 0x00000600
#endif
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
#define CR0_MASK 0xdfffffff
#define CR0_EXTCLK_ENA 0x00800000
#define CR0_UDIV_POS 0
@@ -309,14 +309,18 @@ int serial_tstc ()
#if defined(CONFIG_UART1_CONSOLE)
#define ACTING_UART0_BASE UART1_BASE
#define ACTING_UART1_BASE UART0_BASE
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+ defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+ defined(CONFIG_440SPE)
#define UART0_SDR sdr_uart1
#define UART1_SDR sdr_uart0
#endif /* CONFIG_440GX */
#else
#define ACTING_UART0_BASE UART0_BASE
#define ACTING_UART1_BASE UART1_BASE
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+ defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+ defined(CONFIG_440SPE)
#define UART0_SDR sdr_uart0
#define UART1_SDR sdr_uart1
#endif /* CONFIG_440GX */
@@ -437,7 +441,8 @@ int serial_init(void)
unsigned long tmp;
#endif
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || \
+ defined(CONFIG_440SPE)
#if defined(CONFIG_SERIAL_MULTI)
if (UART0_BASE == dev_base) {
mfsdr(UART0_SDR,reg);
@@ -466,7 +471,9 @@ int serial_init(void)
serial_divs (gd->baudrate, &udiv, &bdiv);
#endif
-#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+ defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+ defined(CONFIG_440SPE)
reg |= udiv << CR0_UDIV_POS; /* set the UART divisor */
#if defined(CONFIG_SERIAL_MULTI)
if (UART0_BASE == dev_base) {
@@ -607,8 +614,28 @@ void serial_setbrg (void)
#else
udiv = ((mfdcr (cntrl0) & 0x3e) >> 1) + 1;
#endif /* CONFIG_405EP */
+
+#if !defined(CFG_EXT_SERIAL_CLOCK) && \
+ ( defined(CONFIG_440GX) || defined(CONFIG_440EP) || \
+ defined(CONFIG_440GR) || defined(CONFIG_440SP) || \
+ defined(CONFIG_440SPE) )
+ serial_divs (gd->baudrate, &udiv, &bdiv);
+ tmp = udiv << CR0_UDIV_POS; /* set the UART divisor */
+#if defined(CONFIG_SERIAL_MULTI)
+ if (UART0_BASE == dev_base) {
+ mtsdr (UART0_SDR, tmp);
+ } else {
+ mtsdr (UART1_SDR, tmp);
+ }
+#else
+ mtsdr (UART0_SDR, tmp);
+#endif
+
+#else
+
tmp = gd->baudrate * udiv * 16;
bdiv = (clk + tmp / 2) / tmp;
+#endif /* !defined(CFG_EXT_SERIAL_CLOCK) && (...) */
#if defined(CONFIG_SERIAL_MULTI)
out8 (dev_base + UART_LCR, 0x80); /* set DLAB bit */