* (C) Copyright 2000 - 2010
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*
* Based ont the MPC5200 PSC driver.
* Adapted for MPC512x by Jan Wrobel <wrr@semihalf.com>
*/
#include <common.h>
+#include <linux/compiler.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <serial.h>
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CONFIG_PSC_CONSOLE) || defined(CONFIG_SERIAL_MULTI)
+#if defined(CONFIG_PSC_CONSOLE)
static void fifo_init (volatile psc512x_t *psc)
{
out_be32(&psc->rfintmask, 0);
out_be32(&psc->tfintmask, 0);
-#if defined(CONFIG_SERIAL_MULTI)
switch (((u32)psc & 0xf00) >> 8) {
case 0:
tfsize = FIFOC_PSC0_TX_SIZE | (FIFOC_PSC0_TX_ADDR << 16);
default:
return;
}
-#else
- tfsize = CONSOLE_FIFO_TX_SIZE | (CONSOLE_FIFO_TX_ADDR << 16);
- rfsize = CONSOLE_FIFO_RX_SIZE | (CONSOLE_FIFO_RX_ADDR << 16);
-#endif
+
out_be32(&psc->tfsize, tfsize);
out_be32(&psc->rfsize, rfsize);
if (br_env)
baudrate = simple_strtoul(br_env, NULL, 10);
- debug("%s: idx %d, baudrate %d\n", __func__, idx, baudrate);
+ debug("%s: idx %d, baudrate %ld\n", __func__, idx, baudrate);
}
/* calculate divisor for setting PSC CTUR and CTLR registers */
- baseclk = (gd->ips_clk + 8) / 16;
+ baseclk = (gd->arch.ips_clk + 8) / 16;
div = (baseclk + (baudrate / 2)) / baudrate;
out_8(&psc->ctur, (div >> 8) & 0xff);
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-#if defined(CONFIG_SERIAL_MULTI)
u32 reg;
reg = in_be32(&im->clk.sccr[0]);
out_be32(&im->clk.sccr[0], reg | CLOCK_SCCR1_PSC_EN(idx));
-#endif
fifo_init (psc);
out_8(&psc->tfdata_8, c);
}
-void serial_putc_raw_dev(unsigned int idx, const char c)
-{
- volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-
- /* Wait for last character to go. */
- while (!(in_be16(&psc->psc_status) & PSC_SR_TXEMP))
- ;
-
- out_8(&psc->tfdata_8, c);
-}
-
void serial_puts_dev(unsigned int idx, const char *s)
{
while (*s)
return (in_8(&psc->ip) & 0x1) ? 0 : 1;
}
-#endif /* CONFIG_PSC_CONSOLE || CONFIG_SERIAL_MULTI */
-
-#if defined(CONFIG_SERIAL_MULTI)
+#endif /* CONFIG_PSC_CONSOLE */
#define DECLARE_PSC_SERIAL_FUNCTIONS(port) \
int serial##port##_init(void) \
serial_puts_dev(port, s); \
}
-#define INIT_PSC_SERIAL_STRUCTURE(port, name, bus) { \
- name, \
- bus, \
- serial##port##_init, \
- serial##port##_uninit, \
- serial##port##_setbrg, \
- serial##port##_getc, \
- serial##port##_tstc, \
- serial##port##_putc, \
- serial##port##_puts, \
+#define INIT_PSC_SERIAL_STRUCTURE(port, __name) { \
+ .name = __name, \
+ .start = serial##port##_init, \
+ .stop = serial##port##_uninit, \
+ .setbrg = serial##port##_setbrg, \
+ .getc = serial##port##_getc, \
+ .tstc = serial##port##_tstc, \
+ .putc = serial##port##_putc, \
+ .puts = serial##port##_puts, \
}
#if defined(CONFIG_SYS_PSC1)
DECLARE_PSC_SERIAL_FUNCTIONS(1);
struct serial_device serial1_device =
-INIT_PSC_SERIAL_STRUCTURE(1, "psc1", "UART1");
+INIT_PSC_SERIAL_STRUCTURE(1, "psc1");
#endif
#if defined(CONFIG_SYS_PSC3)
DECLARE_PSC_SERIAL_FUNCTIONS(3);
struct serial_device serial3_device =
-INIT_PSC_SERIAL_STRUCTURE(3, "psc3", "UART3");
+INIT_PSC_SERIAL_STRUCTURE(3, "psc3");
#endif
#if defined(CONFIG_SYS_PSC4)
DECLARE_PSC_SERIAL_FUNCTIONS(4);
struct serial_device serial4_device =
-INIT_PSC_SERIAL_STRUCTURE(4, "psc4", "UART4");
+INIT_PSC_SERIAL_STRUCTURE(4, "psc4");
#endif
#if defined(CONFIG_SYS_PSC6)
DECLARE_PSC_SERIAL_FUNCTIONS(6);
struct serial_device serial6_device =
-INIT_PSC_SERIAL_STRUCTURE(6, "psc6", "UART6");
+INIT_PSC_SERIAL_STRUCTURE(6, "psc6");
#endif
-#else
-
-void serial_setbrg(void)
-{
- serial_setbrg_dev(CONFIG_PSC_CONSOLE);
-}
-
-int serial_init(void)
-{
- return serial_init_dev(CONFIG_PSC_CONSOLE);
-}
-
-void serial_putc(const char c)
-{
- serial_putc_dev(CONFIG_PSC_CONSOLE, c);
-}
-
-void serial_putc_raw(const char c)
-{
- serial_putc_raw_dev(CONFIG_PSC_CONSOLE, c);
-}
-
-void serial_puts(const char *s)
+__weak struct serial_device *default_serial_console(void)
{
- serial_puts_dev(CONFIG_PSC_CONSOLE, s);
-}
-
-int serial_getc(void)
-{
- return serial_getc_dev(CONFIG_PSC_CONSOLE);
-}
-
-int serial_tstc(void)
-{
- return serial_tstc_dev(CONFIG_PSC_CONSOLE);
-}
-
-void serial_setrts(int s)
-{
- return serial_setrts_dev(CONFIG_PSC_CONSOLE, s);
+#if (CONFIG_PSC_CONSOLE == 3)
+ return &serial3_device;
+#elif (CONFIG_PSC_CONSOLE == 6)
+ return &serial6_device;
+#else
+#error "invalid CONFIG_PSC_CONSOLE"
+#endif
}
-int serial_getcts(void)
+void mpc512x_serial_initialize(void)
{
- return serial_getcts_dev(CONFIG_PSC_CONSOLE);
+#if defined(CONFIG_SYS_PSC1)
+ serial_register(&serial1_device);
+#endif
+#if defined(CONFIG_SYS_PSC3)
+ serial_register(&serial3_device);
+#endif
+#if defined(CONFIG_SYS_PSC4)
+ serial_register(&serial4_device);
+#endif
+#if defined(CONFIG_SYS_PSC6)
+ serial_register(&serial6_device);
+#endif
}
-#endif /* CONFIG_PSC_CONSOLE */
-#if defined(CONFIG_SERIAL_MULTI)
#include <stdio_dev.h>
/*
* Routines for communication with serial devices over PSC
sprintf(env_val, "%d", baudrate);
setenv(env_var, env_val);
- if (port->start())
+ if (port->start(port))
return NULL;
set_bit(num, &initialized);
if (!port)
return -1;
- ret = port->stop();
+ ret = port->stop(port);
clear_bit(num, &initialized);
return ret;
if (!port || !buf)
return -1;
- port->puts(buf);
+ port->puts(port, buf);
return 0;
}
if (!size)
return 0;
- while (port->tstc()) {
- buf[cnt++] = port->getc();
+ while (port->tstc(port)) {
+ buf[cnt++] = port->getc(port);
if (cnt > size)
break;
}
return cnt;
}
-#endif /* CONFIG_SERIAL_MULTI */