diff options
| author | Jason Wessel <jason.wessel@windriver.com> | 2008-07-29 15:58:52 -0500 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-07-30 21:54:42 +0100 |
| commit | 8d60a903d986ffa26c41f0092320a3b9da20bfaf (patch) | |
| tree | f05a8ae48e275d55fcfd3acfb7b3b1b601da56ea /arch/mips/pmc-sierra/msp71xx | |
| parent | 8f8da9adebdf04bfb3b812a7de8706fbf179fd2c (diff) | |
[MIPS] kgdb: Remove existing implementation
This patch explicitly removes the kgdb implementation, for mips which
is intended to be followed by a patch that adds a kgdb implementation
for MIPS that makes use of the kgdb core in the kernel.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/pmc-sierra/msp71xx')
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_serial.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_serial.c b/arch/mips/pmc-sierra/msp71xx/msp_serial.c index 9de34302e5f..f7261628d8a 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_serial.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_serial.c @@ -38,68 +38,6 @@ #include <msp_int.h> #include <msp_regs.h> -#ifdef CONFIG_KGDB -/* - * kgdb uses serial port 1 so the console can remain on port 0. - * To use port 0 change the definition to read as follows: - * #define DEBUG_PORT_BASE KSEG1ADDR(MSP_UART0_BASE) - */ -#define DEBUG_PORT_BASE KSEG1ADDR(MSP_UART1_BASE) - -int putDebugChar(char c) -{ - volatile uint32_t *uart = (volatile uint32_t *)DEBUG_PORT_BASE; - uint32_t val = (uint32_t)c; - - local_irq_disable(); - while( !(uart[5] & 0x20) ); /* Wait for TXRDY */ - uart[0] = val; - while( !(uart[5] & 0x20) ); /* Wait for TXRDY */ - local_irq_enable(); - - return 1; -} - -char getDebugChar(void) -{ - volatile uint32_t *uart = (volatile uint32_t *)DEBUG_PORT_BASE; - uint32_t val; - - while( !(uart[5] & 0x01) ); /* Wait for RXRDY */ - val = uart[0]; - - return (char)val; -} - -void initDebugPort(unsigned int uartclk, unsigned int baudrate) -{ - unsigned int baud_divisor = (uartclk + 8 * baudrate)/(16 * baudrate); - - /* Enable FIFOs */ - writeb(UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | - UART_FCR_CLEAR_XMIT | UART_FCR_TRIGGER_4, - (char *)DEBUG_PORT_BASE + (UART_FCR * 4)); - - /* Select brtc divisor */ - writeb(UART_LCR_DLAB, (char *)DEBUG_PORT_BASE + (UART_LCR * 4)); - - /* Store divisor lsb */ - writeb(baud_divisor, (char *)DEBUG_PORT_BASE + (UART_TX * 4)); - - /* Store divisor msb */ - writeb(baud_divisor >> 8, (char *)DEBUG_PORT_BASE + (UART_IER * 4)); - - /* Set 8N1 mode */ - writeb(UART_LCR_WLEN8, (char *)DEBUG_PORT_BASE + (UART_LCR * 4)); - - /* Disable flow control */ - writeb(0, (char *)DEBUG_PORT_BASE + (UART_MCR * 4)); - - /* Disable receive interrupt(!) */ - writeb(0, (char *)DEBUG_PORT_BASE + (UART_IER * 4)); -} -#endif - void __init msp_serial_setup(void) { char *s; @@ -139,17 +77,6 @@ void __init msp_serial_setup(void) case MACH_MSP7120_FPGA: /* Enable UART1 on MSP4200 and MSP7120 */ *GPIO_CFG2_REG = 0x00002299; - -#ifdef CONFIG_KGDB - /* Initialize UART1 for kgdb since PMON doesn't */ - if( DEBUG_PORT_BASE == KSEG1ADDR(MSP_UART1_BASE) ) { - if( mips_machtype == MACH_MSP4200_FPGA - || mips_machtype == MACH_MSP7120_FPGA ) - initDebugPort(uartclk, 19200); - else - initDebugPort(uartclk, 57600); - } -#endif break; default: |