* LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
*/
/*------------------------------------------------------------------------------- */
-
+/*
+ * Travis Sawyer 15 September 2004
+ * Added CONFIG_SERIAL_MULTI support
+ */
#include <common.h>
#include <commproc.h>
#include <asm/processor.h>
#include <watchdog.h>
#include "vecnum.h"
-#if CONFIG_SERIAL_SOFTWARE_FIFO
+#ifdef CONFIG_SERIAL_MULTI
+#include <serial.h>
+#endif
+
+#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
#include <malloc.h>
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
/*****************************************************************************/
#ifdef CONFIG_IOP480
#define asyncXOFFchar 0x13
#define asyncXONchar 0x11
-
/*
* Minimal serial functions needed to use one of the SMC ports
* as serial console interface.
int serial_init (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
volatile char val;
unsigned short br_reg;
return (0);
}
-
void serial_setbrg (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
unsigned short br_reg;
br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
out8 (SPU_BASE + spu_BRateDivh, ((br_reg & 0xff00) >> 8)); /* ... */
}
-
void serial_putc (const char c)
{
if (c == '\n')
}
}
-
void serial_puts (const char *s)
{
while (*s) {
}
}
-
int serial_getc ()
{
unsigned char status = 0;
return (0x000000ff & (int) in8 (asyncRxBufferport1));
}
-
int serial_tstc ()
{
unsigned char status;
#endif /* CONFIG_IOP480 */
-
/*****************************************************************************/
#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) || defined(CONFIG_405EP)
#if defined(CONFIG_440)
+#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
+#define UART0_BASE CFG_PERIPHERAL_BASE + 0x00000300
+#define UART1_BASE CFG_PERIPHERAL_BASE + 0x00000400
+#else
#define UART0_BASE CFG_PERIPHERAL_BASE + 0x00000200
#define UART1_BASE CFG_PERIPHERAL_BASE + 0x00000300
-#if defined(CONFIG_440_GX)
+#endif
+
+#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) || defined(CONFIG_440SPE)
#define CR0_MASK 0xdfffffff
#define CR0_EXTCLK_ENA 0x00800000
#define CR0_UDIV_POS 0
#define CR0_MASK 0x3fff0000
#define CR0_EXTCLK_ENA 0x00600000
#define CR0_UDIV_POS 16
-#endif /* CONFIG_440_GX */
+#endif /* CONFIG_440GX */
#elif defined(CONFIG_405EP)
#define UART0_BASE 0xef600300
#define UART1_BASE 0xef600400
#if defined(CONFIG_UART1_CONSOLE)
#define ACTING_UART0_BASE UART1_BASE
#define ACTING_UART1_BASE UART0_BASE
-#if defined(CONFIG_440_GX)
+#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_440_GX */
+#endif /* CONFIG_440GX */
#else
#define ACTING_UART0_BASE UART0_BASE
#define ACTING_UART1_BASE UART1_BASE
-#if defined(CONFIG_440_GX)
+#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_440_GX */
+#endif /* CONFIG_440GX */
#endif
#if defined(CONFIG_405EP) && defined(CFG_EXT_SERIAL_CLOCK)
-#error "External serial clock not supported on IBM PPC405EP!"
+#error "External serial clock not supported on AMCC PPC405EP!"
#endif
#define UART_RBR 0x00
/*#define asyncTxBufferport1 ACTING_UART0_BASE+0x00 */
/*#define asyncRxBufferport1 ACTING_UART0_BASE+0x00 */
-
-#if CONFIG_SERIAL_SOFTWARE_FIFO
+#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
/*-----------------------------------------------------------------------------+
| Fifo
+-----------------------------------------------------------------------------*/
volatile static serial_buffer_t buf_info;
#endif
-
#if defined(CONFIG_440) && !defined(CFG_EXT_SERIAL_CLOCK)
static void serial_divs (int baudrate, unsigned long *pudiv,
unsigned short *pbdiv )
}
#endif /* defined(CONFIG_440) && !defined(CFG_EXT_SERIAL_CLK */
-
/*
* Minimal serial functions needed to use one of the SMC ports
* as serial console interface.
*/
#if defined(CONFIG_440)
-int serial_init (void)
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_init_dev (unsigned long dev_base)
+#else
+int serial_init(void)
+#endif
{
- DECLARE_GLOBAL_DATA_PTR;
-
unsigned long reg;
unsigned long udiv;
unsigned short bdiv;
unsigned long tmp;
#endif
-#if defined(CONFIG_440_GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || \
+ defined(CONFIG_440SPE)
+#if defined(CONFIG_SERIAL_MULTI)
+ if (UART0_BASE == dev_base) {
+ mfsdr(UART0_SDR,reg);
+ reg &= ~CR0_MASK;
+ } else {
+ mfsdr(UART1_SDR,reg);
+ reg &= ~CR0_MASK;
+ }
+#else
mfsdr(UART0_SDR,reg);
reg &= ~CR0_MASK;
+#endif
#else
reg = mfdcr(cntrl0) & ~CR0_MASK;
-#endif /* CONFIG_440_GX */
+#endif /* CONFIG_440GX */
#ifdef CFG_EXT_SERIAL_CLOCK
reg |= CR0_EXTCLK_ENA;
udiv = 1;
serial_divs (gd->baudrate, &udiv, &bdiv);
#endif
-#if defined(CONFIG_440_GX)
+#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) {
+ mtsdr (UART0_SDR,reg);
+ } else {
+ mtsdr (UART1_SDR,reg);
+ }
+#else
mtsdr (UART0_SDR,reg);
+#endif
#else
reg |= (udiv - 1) << CR0_UDIV_POS; /* set the UART divisor */
mtdcr (cntrl0, reg);
#endif
+
+#if defined(CONFIG_SERIAL_MULTI)
+ out8 (dev_base + UART_LCR, 0x80); /* set DLAB bit */
+ out8 (dev_base + UART_DLL, bdiv); /* set baudrate divisor */
+ out8 (dev_base + UART_DLM, bdiv >> 8);/* set baudrate divisor */
+ out8 (dev_base + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */
+ out8 (dev_base + UART_FCR, 0x00); /* disable FIFO */
+ out8 (dev_base + UART_MCR, 0x00); /* no modem control DTR RTS */
+ val = in8 (dev_base + UART_LSR); /* clear line status */
+ val = in8 (dev_base + UART_RBR); /* read receive buffer */
+ out8 (dev_base + UART_SCR, 0x00); /* set scratchpad */
+ out8 (dev_base + UART_IER, 0x00); /* set interrupt enable reg */
+#else
out8 (ACTING_UART0_BASE + UART_LCR, 0x80); /* set DLAB bit */
out8 (ACTING_UART0_BASE + UART_DLL, bdiv); /* set baudrate divisor */
out8 (ACTING_UART0_BASE + UART_DLM, bdiv >> 8);/* set baudrate divisor */
val = in8 (ACTING_UART0_BASE + UART_RBR); /* read receive buffer */
out8 (ACTING_UART0_BASE + UART_SCR, 0x00); /* set scratchpad */
out8 (ACTING_UART0_BASE + UART_IER, 0x00); /* set interrupt enable reg */
-
+#endif
return (0);
}
#else /* !defined(CONFIG_440) */
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_init_dev (unsigned long dev_base)
+#else
int serial_init (void)
+#endif
{
- DECLARE_GLOBAL_DATA_PTR;
-
unsigned long reg;
unsigned long tmp;
unsigned long clk;
tmp = gd->baudrate * udiv * 16;
bdiv = (clk + tmp / 2) / tmp;
+#if defined(CONFIG_SERIAL_MULTI)
+ out8 (dev_base + UART_LCR, 0x80); /* set DLAB bit */
+ out8 (dev_base + UART_DLL, bdiv); /* set baudrate divisor */
+ out8 (dev_base + UART_DLM, bdiv >> 8);/* set baudrate divisor */
+ out8 (dev_base + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */
+ out8 (dev_base + UART_FCR, 0x00); /* disable FIFO */
+ out8 (dev_base + UART_MCR, 0x00); /* no modem control DTR RTS */
+ val = in8 (dev_base + UART_LSR); /* clear line status */
+ val = in8 (dev_base + UART_RBR); /* read receive buffer */
+ out8 (dev_base + UART_SCR, 0x00); /* set scratchpad */
+ out8 (dev_base + UART_IER, 0x00); /* set interrupt enable reg */
+#else
out8 (ACTING_UART0_BASE + UART_LCR, 0x80); /* set DLAB bit */
out8 (ACTING_UART0_BASE + UART_DLL, bdiv); /* set baudrate divisor */
out8 (ACTING_UART0_BASE + UART_DLM, bdiv >> 8);/* set baudrate divisor */
val = in8 (ACTING_UART0_BASE + UART_RBR); /* read receive buffer */
out8 (ACTING_UART0_BASE + UART_SCR, 0x00); /* set scratchpad */
out8 (ACTING_UART0_BASE + UART_IER, 0x00); /* set interrupt enable reg */
-
+#endif
return (0);
}
#endif /* if defined(CONFIG_440) */
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_setbrg_dev (unsigned long dev_base)
+#else
void serial_setbrg (void)
+#endif
{
- DECLARE_GLOBAL_DATA_PTR;
-
unsigned long tmp;
unsigned long clk;
unsigned long udiv;
#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 */
+ out8 (dev_base + UART_DLL, bdiv); /* set baudrate divisor */
+ out8 (dev_base + UART_DLM, bdiv >> 8);/* set baudrate divisor */
+ out8 (dev_base + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */
+#else
out8 (ACTING_UART0_BASE + UART_LCR, 0x80); /* set DLAB bit */
out8 (ACTING_UART0_BASE + UART_DLL, bdiv); /* set baudrate divisor */
out8 (ACTING_UART0_BASE + UART_DLM, bdiv >> 8);/* set baudrate divisor */
out8 (ACTING_UART0_BASE + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */
+#endif
}
-
+#if defined(CONFIG_SERIAL_MULTI)
+void serial_putc_dev (unsigned long dev_base, const char c)
+#else
void serial_putc (const char c)
+#endif
{
int i;
if (c == '\n')
+#if defined(CONFIG_SERIAL_MULTI)
+ serial_putc_dev (dev_base, '\r');
+#else
serial_putc ('\r');
+#endif
/* check THRE bit, wait for transmiter available */
for (i = 1; i < 3500; i++) {
+#if defined(CONFIG_SERIAL_MULTI)
+ if ((in8 (dev_base + UART_LSR) & 0x20) == 0x20)
+#else
if ((in8 (ACTING_UART0_BASE + UART_LSR) & 0x20) == 0x20)
+#endif
break;
udelay (100);
}
+#if defined(CONFIG_SERIAL_MULTI)
+ out8 (dev_base + UART_THR, c); /* put character out */
+#else
out8 (ACTING_UART0_BASE + UART_THR, c); /* put character out */
+#endif
}
-
+#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 ()
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_getc_dev (unsigned long dev_base)
+#else
+int serial_getc (void)
+#endif
{
unsigned char status = 0;
#if defined(CONFIG_HW_WATCHDOG)
WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */
#endif /* CONFIG_HW_WATCHDOG */
+#if defined(CONFIG_SERIAL_MULTI)
+ status = in8 (dev_base + UART_LSR);
+#else
status = in8 (ACTING_UART0_BASE + UART_LSR);
+#endif
if ((status & asyncLSRDataReady1) != 0x0) {
break;
}
asyncLSROverrunError1 |
asyncLSRParityError1 |
asyncLSRBreakInterrupt1 )) != 0) {
+#if defined(CONFIG_SERIAL_MULTI)
+ out8 (dev_base + UART_LSR,
+#else
out8 (ACTING_UART0_BASE + UART_LSR,
+#endif
asyncLSRFramingError1 |
asyncLSROverrunError1 |
asyncLSRParityError1 |
asyncLSRBreakInterrupt1);
}
}
+#if defined(CONFIG_SERIAL_MULTI)
+ return (0x000000ff & (int) in8 (dev_base));
+#else
return (0x000000ff & (int) in8 (ACTING_UART0_BASE));
+#endif
}
-
-int serial_tstc ()
+#if defined(CONFIG_SERIAL_MULTI)
+int serial_tstc_dev (unsigned long dev_base)
+#else
+int serial_tstc (void)
+#endif
{
unsigned char status;
+#if defined(CONFIG_SERIAL_MULTI)
+ status = in8 (dev_base + UART_LSR);
+#else
status = in8 (ACTING_UART0_BASE + UART_LSR);
+#endif
if ((status & asyncLSRDataReady1) != 0x0) {
return (1);
}
asyncLSROverrunError1 |
asyncLSRParityError1 |
asyncLSRBreakInterrupt1 )) != 0) {
+#if defined(CONFIG_SERIAL_MULTI)
+ out8 (dev_base + UART_LSR,
+#else
out8 (ACTING_UART0_BASE + UART_LSR,
+#endif
asyncLSRFramingError1 |
asyncLSROverrunError1 |
asyncLSRParityError1 |
return 0;
}
-
-#if CONFIG_SERIAL_SOFTWARE_FIFO
+#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
void serial_isr (void *arg)
{
} else {
space = rx_get - rx_put;
}
- while (serial_tstc ()) {
- c = serial_getc ();
+ while (serial_tstc_dev (ACTING_UART0_BASE)) {
+ c = serial_getc_dev (ACTING_UART0_BASE);
if (space) {
buf_info.rx_buffer[rx_put++] = c;
space--;
#endif /* CONFIG_SERIAL_SOFTWARE_FIFO */
-
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
/*
AS HARNOIS : according to CONFIG_KGDB_SER_INDEX kgdb uses serial port
#if (CONFIG_KGDB_SER_INDEX & 2)
void kgdb_serial_init (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
volatile char val;
unsigned short br_reg;
out8 (ACTING_UART1_BASE + UART_IER, 0x00); /* set interrupt enable reg */
}
-
void putDebugChar (const char c)
{
if (c == '\n')
while ((in8 (ACTING_UART1_BASE + UART_LSR) & 0x20) != 0x20);
}
-
void putDebugStr (const char *s)
{
while (*s) {
}
}
-
int getDebugChar (void)
{
unsigned char status = 0;
return (0x000000ff & (int) in8 (ACTING_UART1_BASE));
}
-
void kgdb_interruptible (int yes)
{
return;
#endif /* (CONFIG_KGDB_SER_INDEX & 2) */
#endif /* CFG_CMD_KGDB */
+
+#if defined(CONFIG_SERIAL_MULTI)
+int serial0_init(void)
+{
+ return (serial_init_dev(UART0_BASE));
+}
+
+int serial1_init(void)
+{
+ return (serial_init_dev(UART1_BASE));
+}
+void serial0_setbrg (void)
+{
+ serial_setbrg_dev(UART0_BASE);
+}
+void serial1_setbrg (void)
+{
+ serial_setbrg_dev(UART1_BASE);
+}
+
+void serial0_putc(const char c)
+{
+ serial_putc_dev(UART0_BASE,c);
+}
+
+void serial1_putc(const char c)
+{
+ serial_putc_dev(UART1_BASE, c);
+}
+void serial0_puts(const char *s)
+{
+ serial_puts_dev(UART0_BASE, s);
+}
+
+void serial1_puts(const char *s)
+{
+ serial_puts_dev(UART1_BASE, s);
+}
+
+int serial0_getc(void)
+{
+ return(serial_getc_dev(UART0_BASE));
+}
+
+int serial1_getc(void)
+{
+ return(serial_getc_dev(UART1_BASE));
+}
+int serial0_tstc(void)
+{
+ return (serial_tstc_dev(UART0_BASE));
+}
+
+int serial1_tstc(void)
+{
+ return (serial_tstc_dev(UART1_BASE));
+}
+
+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_405GP || CONFIG_405CR */
projects / platform / kernel / u-boot.git / blobdiff