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authorChristophe Leroy <christophe.leroy@c-s.fr>2018-11-21 08:51:53 +0000
committerTom Rini <trini@konsulko.com>2018-12-03 10:44:10 -0500
commit42b54013a08dbda78b466243f03ced249a7fbe84 (patch)
tree6a3c45f97303b03c3e7f51e8b792bf05791b227c /drivers/serial/serial_mpc8xx.c
parenta8b8645fa9606c8e4a57389e500a235816646397 (diff)
drivers: serial: get rid of non DM mpc8xx driver
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Diffstat (limited to 'drivers/serial/serial_mpc8xx.c')
-rw-r--r--drivers/serial/serial_mpc8xx.c97
1 files changed, 14 insertions, 83 deletions
diff --git a/drivers/serial/serial_mpc8xx.c b/drivers/serial/serial_mpc8xx.c
index f2d241417a..50d6e70f17 100644
--- a/drivers/serial/serial_mpc8xx.c
+++ b/drivers/serial/serial_mpc8xx.c
@@ -59,7 +59,7 @@ static void serial_setdivisor(cpm8xx_t __iomem *cp, int baudrate)
* as serial console interface.
*/
-static void smc_setbrg(void)
+static int serial_mpc8xx_setbrg(struct udevice *dev, int baudrate)
{
immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR;
cpm8xx_t __iomem *cp = &(im->im_cpm);
@@ -72,10 +72,12 @@ static void smc_setbrg(void)
out_be32(&cp->cp_simode, 0);
- serial_setdivisor(cp, gd->baudrate);
+ serial_setdivisor(cp, baudrate);
+
+ return 0;
}
-static int smc_init(void)
+static int serial_mpc8xx_probe(struct udevice *dev)
{
immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR;
smc_t __iomem *sp;
@@ -140,7 +142,7 @@ static int smc_init(void)
out_8(&sp->smc_smce, 0xff);
/* Set up the baud rate generator */
- smc_setbrg();
+ serial_mpc8xx_setbrg(dev, gd->baudrate);
/* Make the first buffer the only buffer. */
setbits_be16(&rtx->txbd.cbd_sc, BD_SC_WRAP);
@@ -167,14 +169,14 @@ static int smc_init(void)
return 0;
}
-static void smc_putc(const char c)
+static int serial_mpc8xx_putc(struct udevice *dev, const char c)
{
immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR;
cpm8xx_t __iomem *cpmp = &(im->im_cpm);
struct serialbuffer __iomem *rtx;
if (c == '\n')
- smc_putc('\r');
+ serial_mpc8xx_putc(dev, '\r');
rtx = (struct serialbuffer __iomem *)&cpmp->cp_dpmem[CPM_SERIAL_BASE];
@@ -185,17 +187,11 @@ static void smc_putc(const char c)
while (in_be16(&rtx->txbd.cbd_sc) & BD_SC_READY)
WATCHDOG_RESET();
-}
-#ifndef CONFIG_DM_SERIAL
-static void smc_puts(const char *s)
-{
- while (*s)
- smc_putc(*s++);
+ return 0;
}
-#endif
-static int smc_getc(void)
+static int serial_mpc8xx_getc(struct udevice *dev)
{
immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR;
cpm8xx_t __iomem *cpmp = &(im->im_cpm);
@@ -225,84 +221,20 @@ static int smc_getc(void)
return c;
}
-static int smc_tstc(void)
+static int serial_mpc8xx_pending(struct udevice *dev, bool input)
{
immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR;
cpm8xx_t __iomem *cpmp = &(im->im_cpm);
struct serialbuffer __iomem *rtx;
+ if (!input)
+ return 0;
+
rtx = (struct serialbuffer __iomem *)&cpmp->cp_dpmem[CPM_SERIAL_BASE];
return !(in_be16(&rtx->rxbd.cbd_sc) & BD_SC_EMPTY);
}
-#ifndef CONFIG_DM_SERIAL
-struct serial_device serial_smc_device = {
- .name = "serial_smc",
- .start = smc_init,
- .stop = NULL,
- .setbrg = smc_setbrg,
- .getc = smc_getc,
- .tstc = smc_tstc,
- .putc = smc_putc,
- .puts = smc_puts,
-};
-
-__weak struct serial_device *default_serial_console(void)
-{
- return &serial_smc_device;
-}
-
-void mpc8xx_serial_initialize(void)
-{
- serial_register(&serial_smc_device);
-}
-#endif
-
-#ifdef CONFIG_DM_SERIAL
-static int serial_mpc8xx_setbrg(struct udevice *dev, int baudrate)
-{
- immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR;
- cpm8xx_t __iomem *cp = &(im->im_cpm);
-
- /* Set up the baud rate generator.
- * See 8xx_io/commproc.c for details.
- *
- * Wire BRG1 to SMCx
- */
-
- out_be32(&cp->cp_simode, 0);
-
- serial_setdivisor(cp, baudrate);
-
- return 0;
-}
-
-static int serial_mpc8xx_probe(struct udevice *dev)
-{
- return smc_init();
-}
-
-static int serial_mpc8xx_putc(struct udevice *dev, const char ch)
-{
- smc_putc(ch);
-
- return 0;
-}
-
-static int serial_mpc8xx_getc(struct udevice *dev)
-{
- return smc_getc();
-}
-
-static int serial_mpc8xx_pending(struct udevice *dev, bool input)
-{
- if (input)
- return smc_tstc();
-
- return 0;
-}
-
static const struct dm_serial_ops serial_mpc8xx_ops = {
.putc = serial_mpc8xx_putc,
.pending = serial_mpc8xx_pending,
@@ -323,4 +255,3 @@ U_BOOT_DRIVER(serial_mpc8xx) = {
.ops = &serial_mpc8xx_ops,
.flags = DM_FLAG_PRE_RELOC,
};
-#endif