diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/serial/serial_ns16550.c')
| -rw-r--r-- | qemu/roms/u-boot/drivers/serial/serial_ns16550.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/qemu/roms/u-boot/drivers/serial/serial_ns16550.c b/qemu/roms/u-boot/drivers/serial/serial_ns16550.c deleted file mode 100644 index ba68d4694..000000000 --- a/qemu/roms/u-boot/drivers/serial/serial_ns16550.c +++ /dev/null @@ -1,301 +0,0 @@ -/* - * (C) Copyright 2000 - * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <linux/compiler.h> - -#include <ns16550.h> -#ifdef CONFIG_NS87308 -#include <ns87308.h> -#endif - -#include <serial.h> - -#ifndef CONFIG_NS16550_MIN_FUNCTIONS - -DECLARE_GLOBAL_DATA_PTR; - -#if !defined(CONFIG_CONS_INDEX) -#elif (CONFIG_CONS_INDEX < 1) || (CONFIG_CONS_INDEX > 6) -#error "Invalid console index value." -#endif - -#if CONFIG_CONS_INDEX == 1 && !defined(CONFIG_SYS_NS16550_COM1) -#error "Console port 1 defined but not configured." -#elif CONFIG_CONS_INDEX == 2 && !defined(CONFIG_SYS_NS16550_COM2) -#error "Console port 2 defined but not configured." -#elif CONFIG_CONS_INDEX == 3 && !defined(CONFIG_SYS_NS16550_COM3) -#error "Console port 3 defined but not configured." -#elif CONFIG_CONS_INDEX == 4 && !defined(CONFIG_SYS_NS16550_COM4) -#error "Console port 4 defined but not configured." -#elif CONFIG_CONS_INDEX == 5 && !defined(CONFIG_SYS_NS16550_COM5) -#error "Console port 5 defined but not configured." -#elif CONFIG_CONS_INDEX == 6 && !defined(CONFIG_SYS_NS16550_COM6) -#error "Console port 6 defined but not configured." -#endif - -/* Note: The port number specified in the functions is 1 based. - * the array is 0 based. - */ -static NS16550_t serial_ports[6] = { -#ifdef CONFIG_SYS_NS16550_COM1 - (NS16550_t)CONFIG_SYS_NS16550_COM1, -#else - NULL, -#endif -#ifdef CONFIG_SYS_NS16550_COM2 - (NS16550_t)CONFIG_SYS_NS16550_COM2, -#else - NULL, -#endif -#ifdef CONFIG_SYS_NS16550_COM3 - (NS16550_t)CONFIG_SYS_NS16550_COM3, -#else - NULL, -#endif -#ifdef CONFIG_SYS_NS16550_COM4 - (NS16550_t)CONFIG_SYS_NS16550_COM4, -#else - NULL, -#endif -#ifdef CONFIG_SYS_NS16550_COM5 - (NS16550_t)CONFIG_SYS_NS16550_COM5, -#else - NULL, -#endif -#ifdef CONFIG_SYS_NS16550_COM6 - (NS16550_t)CONFIG_SYS_NS16550_COM6 -#else - NULL -#endif -}; - -#define PORT serial_ports[port-1] - -/* Multi serial device functions */ -#define DECLARE_ESERIAL_FUNCTIONS(port) \ - static int eserial##port##_init(void) \ - { \ - int clock_divisor; \ - clock_divisor = calc_divisor(serial_ports[port-1]); \ - NS16550_init(serial_ports[port-1], clock_divisor); \ - return 0 ; \ - } \ - static void eserial##port##_setbrg(void) \ - { \ - serial_setbrg_dev(port); \ - } \ - static int eserial##port##_getc(void) \ - { \ - return serial_getc_dev(port); \ - } \ - static int eserial##port##_tstc(void) \ - { \ - return serial_tstc_dev(port); \ - } \ - static void eserial##port##_putc(const char c) \ - { \ - serial_putc_dev(port, c); \ - } \ - static void eserial##port##_puts(const char *s) \ - { \ - serial_puts_dev(port, s); \ - } - -/* Serial device descriptor */ -#define INIT_ESERIAL_STRUCTURE(port, __name) { \ - .name = __name, \ - .start = eserial##port##_init, \ - .stop = NULL, \ - .setbrg = eserial##port##_setbrg, \ - .getc = eserial##port##_getc, \ - .tstc = eserial##port##_tstc, \ - .putc = eserial##port##_putc, \ - .puts = eserial##port##_puts, \ -} - -static int calc_divisor (NS16550_t port) -{ -#ifdef CONFIG_OMAP1510 - /* If can't cleanly clock 115200 set div to 1 */ - if ((CONFIG_SYS_NS16550_CLK == 12000000) && (gd->baudrate == 115200)) { - port->osc_12m_sel = OSC_12M_SEL; /* enable 6.5 * divisor */ - return (1); /* return 1 for base divisor */ - } - port->osc_12m_sel = 0; /* clear if previsouly set */ -#endif -#ifdef CONFIG_OMAP1610 - /* If can't cleanly clock 115200 set div to 1 */ - if ((CONFIG_SYS_NS16550_CLK == 48000000) && (gd->baudrate == 115200)) { - return (26); /* return 26 for base divisor */ - } -#endif - -#define MODE_X_DIV 16 - /* Compute divisor value. Normally, we should simply return: - * CONFIG_SYS_NS16550_CLK) / MODE_X_DIV / gd->baudrate - * but we need to round that value by adding 0.5. - * Rounding is especially important at high baud rates. - */ - return (CONFIG_SYS_NS16550_CLK + (gd->baudrate * (MODE_X_DIV / 2))) / - (MODE_X_DIV * gd->baudrate); -} - -void -_serial_putc(const char c,const int port) -{ - if (c == '\n') - NS16550_putc(PORT, '\r'); - - NS16550_putc(PORT, c); -} - -void -_serial_putc_raw(const char c,const int port) -{ - NS16550_putc(PORT, c); -} - -void -_serial_puts (const char *s,const int port) -{ - while (*s) { - _serial_putc (*s++,port); - } -} - - -int -_serial_getc(const int port) -{ - return NS16550_getc(PORT); -} - -int -_serial_tstc(const int port) -{ - return NS16550_tstc(PORT); -} - -void -_serial_setbrg (const int port) -{ - int clock_divisor; - - clock_divisor = calc_divisor(PORT); - NS16550_reinit(PORT, clock_divisor); -} - -static inline void -serial_putc_dev(unsigned int dev_index,const char c) -{ - _serial_putc(c,dev_index); -} - -static inline void -serial_putc_raw_dev(unsigned int dev_index,const char c) -{ - _serial_putc_raw(c,dev_index); -} - -static inline void -serial_puts_dev(unsigned int dev_index,const char *s) -{ - _serial_puts(s,dev_index); -} - -static inline int -serial_getc_dev(unsigned int dev_index) -{ - return _serial_getc(dev_index); -} - -static inline int -serial_tstc_dev(unsigned int dev_index) -{ - return _serial_tstc(dev_index); -} - -static inline void -serial_setbrg_dev(unsigned int dev_index) -{ - _serial_setbrg(dev_index); -} - -#if defined(CONFIG_SYS_NS16550_COM1) -DECLARE_ESERIAL_FUNCTIONS(1); -struct serial_device eserial1_device = - INIT_ESERIAL_STRUCTURE(1, "eserial0"); -#endif -#if defined(CONFIG_SYS_NS16550_COM2) -DECLARE_ESERIAL_FUNCTIONS(2); -struct serial_device eserial2_device = - INIT_ESERIAL_STRUCTURE(2, "eserial1"); -#endif -#if defined(CONFIG_SYS_NS16550_COM3) -DECLARE_ESERIAL_FUNCTIONS(3); -struct serial_device eserial3_device = - INIT_ESERIAL_STRUCTURE(3, "eserial2"); -#endif -#if defined(CONFIG_SYS_NS16550_COM4) -DECLARE_ESERIAL_FUNCTIONS(4); -struct serial_device eserial4_device = - INIT_ESERIAL_STRUCTURE(4, "eserial3"); -#endif -#if defined(CONFIG_SYS_NS16550_COM5) -DECLARE_ESERIAL_FUNCTIONS(5); -struct serial_device eserial5_device = - INIT_ESERIAL_STRUCTURE(5, "eserial4"); -#endif -#if defined(CONFIG_SYS_NS16550_COM6) -DECLARE_ESERIAL_FUNCTIONS(6); -struct serial_device eserial6_device = - INIT_ESERIAL_STRUCTURE(6, "eserial5"); -#endif - -__weak struct serial_device *default_serial_console(void) -{ -#if CONFIG_CONS_INDEX == 1 - return &eserial1_device; -#elif CONFIG_CONS_INDEX == 2 - return &eserial2_device; -#elif CONFIG_CONS_INDEX == 3 - return &eserial3_device; -#elif CONFIG_CONS_INDEX == 4 - return &eserial4_device; -#elif CONFIG_CONS_INDEX == 5 - return &eserial5_device; -#elif CONFIG_CONS_INDEX == 6 - return &eserial6_device; -#else -#error "Bad CONFIG_CONS_INDEX." -#endif -} - -void ns16550_serial_initialize(void) -{ -#if defined(CONFIG_SYS_NS16550_COM1) - serial_register(&eserial1_device); -#endif -#if defined(CONFIG_SYS_NS16550_COM2) - serial_register(&eserial2_device); -#endif -#if defined(CONFIG_SYS_NS16550_COM3) - serial_register(&eserial3_device); -#endif -#if defined(CONFIG_SYS_NS16550_COM4) - serial_register(&eserial4_device); -#endif -#if defined(CONFIG_SYS_NS16550_COM5) - serial_register(&eserial5_device); -#endif -#if defined(CONFIG_SYS_NS16550_COM6) - serial_register(&eserial6_device); -#endif -} - -#endif /* !CONFIG_NS16550_MIN_FUNCTIONS */ |