diff options
Diffstat (limited to 'drivers/input/ps2ser.c')
| -rw-r--r-- | drivers/input/ps2ser.c | 109 |
1 files changed, 17 insertions, 92 deletions
diff --git a/drivers/input/ps2ser.c b/drivers/input/ps2ser.c index 8d0b6d6..a655a16 100644 --- a/drivers/input/ps2ser.c +++ b/drivers/input/ps2ser.c @@ -46,8 +46,7 @@ DECLARE_GLOBAL_DATA_PTR; #error CONFIG_PS2SERIAL must be in 1 ... 6 #endif -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) +#else #if CONFIG_PS2SERIAL == 1 #define COM_BASE (CONFIG_SYS_CCSRBAR+0x4500) @@ -57,17 +56,12 @@ DECLARE_GLOBAL_DATA_PTR; #error CONFIG_PS2SERIAL must be in 1 ... 2 #endif -#endif /* CONFIG_MPC5xxx / CONFIG_MPC8540 / other */ +#endif /* CONFIG_MPC5xxx / other */ static int ps2ser_getc_hw(void); static void ps2ser_interrupt(void *dev_id); extern struct serial_state rs_table[]; /* in serial.c */ -#if !defined(CONFIG_MPC5xxx) && !defined(CONFIG_MPC8540) && \ - !defined(CONFIG_MPC8541) && !defined(CONFIG_MPC8548) && \ - !defined(CONFIG_MPC8555) -static struct serial_state *state; -#endif static u_char ps2buf[PS2BUF_SIZE]; static atomic_t ps2buf_cnt; @@ -111,8 +105,8 @@ int ps2ser_init(void) return (0); } -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) +#else + int ps2ser_init(void) { NS16550_t com_port = (NS16550_t)COM_BASE; @@ -128,76 +122,24 @@ int ps2ser_init(void) return (0); } -#else /* !CONFIG_MPC5xxx && !CONFIG_MPC8540 / other */ - -static inline unsigned int ps2ser_in(int offset) -{ - return readb((unsigned long) state->iomem_base + offset); -} - -static inline void ps2ser_out(int offset, int value) -{ - writeb(value, (unsigned long) state->iomem_base + offset); -} - -int ps2ser_init(void) -{ - int quot; - unsigned cval; - - state = rs_table + CONFIG_PS2SERIAL; - - quot = state->baud_base / PS2SER_BAUD; - cval = 0x3; /* 8N1 - 8 data bits, no parity bits, 1 stop bit */ - - /* Set speed, enable interrupts, enable FIFO - */ - ps2ser_out(UART_LCR, cval | UART_LCR_DLAB); - ps2ser_out(UART_DLL, quot & 0xff); - ps2ser_out(UART_DLM, quot >> 8); - ps2ser_out(UART_LCR, cval); - ps2ser_out(UART_IER, UART_IER_RDI); - ps2ser_out(UART_MCR, UART_MCR_OUT2 | UART_MCR_DTR | UART_MCR_RTS); - ps2ser_out(UART_FCR, - UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); - - /* If we read 0xff from the LSR, there is no UART here - */ - if (ps2ser_in(UART_LSR) == 0xff) { - printf ("ps2ser.c: no UART found\n"); - return -1; - } - - irq_install_handler(state->irq, ps2ser_interrupt, NULL); - - return 0; -} -#endif /* CONFIG_MPC5xxx / CONFIG_MPC8540 / other */ +#endif /* CONFIG_MPC5xxx / other */ void ps2ser_putc(int chr) { #ifdef CONFIG_MPC5xxx volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) +#else NS16550_t com_port = (NS16550_t)COM_BASE; #endif -#ifdef DEBUG - printf(">>>> 0x%02x\n", chr); -#endif + debug(">>>> 0x%02x\n", chr); #ifdef CONFIG_MPC5xxx while (!(psc->psc_status & PSC_SR_TXRDY)); psc->psc_buffer_8 = chr; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) +#else while ((com_port->lsr & UART_LSR_THRE) == 0); com_port->thr = chr; -#else - while (!(ps2ser_in(UART_LSR) & UART_LSR_THRE)); - - ps2ser_out(UART_TX, chr); #endif } @@ -205,8 +147,7 @@ static int ps2ser_getc_hw(void) { #ifdef CONFIG_MPC5xxx volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) +#else NS16550_t com_port = (NS16550_t)COM_BASE; #endif int res = -1; @@ -215,15 +156,10 @@ static int ps2ser_getc_hw(void) if (psc->psc_status & PSC_SR_RXRDY) { res = (psc->psc_buffer_8); } -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) +#else if (com_port->lsr & UART_LSR_DR) { res = com_port->rbr; } -#else - if (ps2ser_in(UART_LSR) & UART_LSR_DR) { - res = (ps2ser_in(UART_RX)); - } #endif return res; @@ -234,9 +170,7 @@ int ps2ser_getc(void) volatile int chr; int flags; -#ifdef DEBUG - printf("<< "); -#endif + debug("<< "); flags = disable_interrupts(); @@ -251,11 +185,10 @@ int ps2ser_getc(void) } while (chr < 0); - if (flags) enable_interrupts(); + if (flags) + enable_interrupts(); -#ifdef DEBUG - printf("0x%02x\n", chr); -#endif + debug("0x%02x\n", chr); return chr; } @@ -275,8 +208,7 @@ static void ps2ser_interrupt(void *dev_id) { #ifdef CONFIG_MPC5xxx volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) +#else NS16550_t com_port = (NS16550_t)COM_BASE; #endif int chr; @@ -286,11 +218,8 @@ static void ps2ser_interrupt(void *dev_id) chr = ps2ser_getc_hw(); #ifdef CONFIG_MPC5xxx status = psc->psc_status; -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) - status = com_port->lsr; #else - status = ps2ser_in(UART_IIR); + status = com_port->lsr; #endif if (chr < 0) continue; @@ -303,13 +232,9 @@ static void ps2ser_interrupt(void *dev_id) } #ifdef CONFIG_MPC5xxx } while (status & PSC_SR_RXRDY); -#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ - defined(CONFIG_MPC8548) || defined(CONFIG_MPC8555) - } while (status & UART_LSR_DR); #else - } while (status & UART_IIR_RDI); + } while (status & UART_LSR_DR); #endif - if (atomic_read(&ps2buf_cnt)) { ps2mult_callback(atomic_read(&ps2buf_cnt)); } |