diff options
Diffstat (limited to 'cpu/ppc4xx/serial.c')
| -rw-r--r-- | cpu/ppc4xx/serial.c | 55 |
1 files changed, 36 insertions, 19 deletions
diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c index e7f6bcbe1e..ad3ca6e819 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 @@ -59,6 +59,8 @@ #include <malloc.h> #endif +DECLARE_GLOBAL_DATA_PTR; + /*****************************************************************************/ #ifdef CONFIG_IOP480 @@ -161,8 +163,6 @@ int serial_init (void) { - DECLARE_GLOBAL_DATA_PTR; - volatile char val; unsigned short br_reg; @@ -185,8 +185,6 @@ int serial_init (void) void serial_setbrg (void) { - DECLARE_GLOBAL_DATA_PTR; - unsigned short br_reg; br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1); @@ -277,11 +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 @@ -311,14 +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 */ @@ -431,8 +433,6 @@ int serial_init_dev (unsigned long dev_base) int serial_init(void) #endif { - DECLARE_GLOBAL_DATA_PTR; - unsigned long reg; unsigned long udiv; unsigned short bdiv; @@ -441,7 +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); @@ -470,7 +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) { @@ -520,8 +523,6 @@ int serial_init_dev (unsigned long dev_base) int serial_init (void) #endif { - DECLARE_GLOBAL_DATA_PTR; - unsigned long reg; unsigned long tmp; unsigned long clk; @@ -597,8 +598,6 @@ void serial_setbrg_dev (unsigned long dev_base) void serial_setbrg (void) #endif { - DECLARE_GLOBAL_DATA_PTR; - unsigned long tmp; unsigned long clk; unsigned long udiv; @@ -615,8 +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 */ @@ -880,8 +899,6 @@ int serial_buffered_tstc (void) #if (CONFIG_KGDB_SER_INDEX & 2) void kgdb_serial_init (void) { - DECLARE_GLOBAL_DATA_PTR; - volatile char val; unsigned short br_reg; |