diff options
author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-11-21 08:51:53 +0000 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2018-12-03 10:44:10 -0500 |
commit | 42b54013a08dbda78b466243f03ced249a7fbe84 (patch) | |
tree | 6a3c45f97303b03c3e7f51e8b792bf05791b227c /drivers/serial/serial_mpc8xx.c | |
parent | a8b8645fa9606c8e4a57389e500a235816646397 (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.c | 97 |
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 |