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[MIPS] TXx9: Unify serial_txx9 setup 

* Unify calling of early_serial_txx9_setup.
* Use dedicated serial clock on RBTX4938.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto 2008-07-25 23:08:06 +09:00 committed by Ralf Baechle
parent bb72f1f729
commit 7779a5e07d
11 changed files with 47 additions and 53 deletions
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24
arch/mips/txx9/generic/setup.c
View File

@ -21,6 +21,7 @@
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <asm/bootinfo.h>
#include <asm/time.h>
#include <asm/reboot.h>
@ -247,6 +248,29 @@ void __init txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr)
platform_device_put(pdev);
}
void __init txx9_sio_init(unsigned long baseaddr, int irq,
unsigned int line, unsigned int sclk, int nocts)
{
#ifdef CONFIG_SERIAL_TXX9
struct uart_port req;
memset(&req, 0, sizeof(req));
req.line = line;
req.iotype = UPIO_MEM;
req.membase = ioremap(baseaddr, 0x24);
req.mapbase = baseaddr;
req.irq = irq;
if (!nocts)
req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
if (sclk) {
req.flags |= UPF_MAGIC_MULTIPLIER /*USE_SCLK*/;
req.uartclk = sclk;
} else
req.uartclk = TXX9_IMCLK;
early_serial_txx9_setup(&req);
#endif /* CONFIG_SERIAL_TXX9 */
}
/* wrappers */
void __init plat_mem_setup(void)
{

23
arch/mips/txx9/generic/setup_tx3927.c
View File

@ -13,8 +13,8 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/serial_core.h>
#include <linux/param.h>
#include <linux/io.h>
#include <asm/mipsregs.h>
#include <asm/txx9irq.h>
#include <asm/txx9tmr.h>
@ -119,23 +119,12 @@ void __init tx3927_time_init(unsigned int evt_tmrnr, unsigned int src_tmrnr)
txx9_clocksource_init(TX3927_TMR_REG(src_tmrnr), TXX9_IMCLK);
}
void __init tx3927_setup_serial(unsigned int cts_mask)
void __init tx3927_sio_init(unsigned int sclk, unsigned int cts_mask)
{
#ifdef CONFIG_SERIAL_TXX9
int i;
struct uart_port req;
for (i = 0; i < 2; i++) {
memset(&req, 0, sizeof(req));
req.line = i;
req.iotype = UPIO_MEM;
req.membase = (unsigned char __iomem *)TX3927_SIO_REG(i);
req.mapbase = TX3927_SIO_REG(i);
req.irq = TXX9_IRQ_BASE + TX3927_IR_SIO(i);
if (!((1 << i) & cts_mask))
req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
req.uartclk = TXX9_IMCLK;
early_serial_txx9_setup(&req);
}
#endif /* CONFIG_SERIAL_TXX9 */
for (i = 0; i < 2; i++)
txx9_sio_init(TX3927_SIO_REG(i),
TXX9_IRQ_BASE + TX3927_IR_SIO(i),
i, sclk, (1 << i) & cts_mask);
}

21
arch/mips/txx9/generic/setup_tx4927.c
View File

@ -13,7 +13,6 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/serial_core.h>
#include <linux/param.h>
#include <asm/txx9irq.h>
#include <asm/txx9tmr.h>
@ -178,22 +177,12 @@ void __init tx4927_time_init(unsigned int tmrnr)
TXX9_IMCLK);
}
void __init tx4927_setup_serial(void)
void __init tx4927_sio_init(unsigned int sclk, unsigned int cts_mask)
{
#ifdef CONFIG_SERIAL_TXX9
int i;
struct uart_port req;
for (i = 0; i < 2; i++) {
memset(&req, 0, sizeof(req));
req.line = i;
req.iotype = UPIO_MEM;
req.membase = (unsigned char __iomem *)TX4927_SIO_REG(i);
req.mapbase = TX4927_SIO_REG(i) & 0xfffffffffULL;
req.irq = TXX9_IRQ_BASE + TX4927_IR_SIO(i);
req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
req.uartclk = TXX9_IMCLK;
early_serial_txx9_setup(&req);
}
#endif /* CONFIG_SERIAL_TXX9 */
for (i = 0; i < 2; i++)
txx9_sio_init(TX4927_SIO_REG(i) & 0xfffffffffULL,
TXX9_IRQ_BASE + TX4927_IR_SIO(i),
i, sclk, (1 << i) & cts_mask);
}

18
arch/mips/txx9/generic/setup_tx4938.c
View File

@ -13,7 +13,6 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/serial_core.h>
#include <linux/param.h>
#include <asm/txx9irq.h>
#include <asm/txx9tmr.h>
@ -238,11 +237,9 @@ void __init tx4938_time_init(unsigned int tmrnr)
TXX9_IMCLK);
}
void __init tx4938_setup_serial(void)
void __init tx4938_sio_init(unsigned int sclk, unsigned int cts_mask)
{
#ifdef CONFIG_SERIAL_TXX9
int i;
struct uart_port req;
unsigned int ch_mask = 0;
if (__raw_readq(&tx4938_ccfgptr->pcfg) & TX4938_PCFG_ETH0_SEL)
@ -250,17 +247,10 @@ void __init tx4938_setup_serial(void)
for (i = 0; i < 2; i++) {
if ((1 << i) & ch_mask)
continue;
memset(&req, 0, sizeof(req));
req.line = i;
req.iotype = UPIO_MEM;
req.membase = (unsigned char __iomem *)TX4938_SIO_REG(i);
req.mapbase = TX4938_SIO_REG(i) & 0xfffffffffULL;
req.irq = TXX9_IRQ_BASE + TX4938_IR_SIO(i);
req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
req.uartclk = TXX9_IMCLK;
early_serial_txx9_setup(&req);
txx9_sio_init(TX4938_SIO_REG(i) & 0xfffffffffULL,
TXX9_IRQ_BASE + TX4938_IR_SIO(i),
i, sclk, (1 << i) & cts_mask);
}
#endif /* CONFIG_SERIAL_TXX9 */
}
void __init tx4938_spi_init(int busid)

2
arch/mips/txx9/jmr3927/setup.c
View File

@ -105,7 +105,7 @@ static void __init jmr3927_mem_setup(void)
/* initialize board */
jmr3927_board_init();
tx3927_setup_serial(1 << 1); /* ch1: noCTS */
tx3927_sio_init(0, 1 << 1); /* ch1: noCTS */
#ifdef CONFIG_SERIAL_TXX9_CONSOLE
argptr = prom_getcmdline();
if (!strstr(argptr, "console="))

2
arch/mips/txx9/rbtx4927/setup.c
View File

@ -212,7 +212,7 @@ static void __init rbtx4927_mem_setup(void)
set_io_port_base(KSEG1 + RBTX4927_ISA_IO_OFFSET);
#endif
tx4927_setup_serial();
tx4927_sio_init(0, 0);
#ifdef CONFIG_SERIAL_TXX9_CONSOLE
argptr = prom_getcmdline();
if (!strstr(argptr, "console="))

2
arch/mips/txx9/rbtx4938/setup.c
View File

@ -165,7 +165,7 @@ static void __init rbtx4938_mem_setup(void)
set_io_port_base(RBTX4938_ETHER_BASE);
#endif
tx4938_setup_serial();
tx4938_sio_init(7372800, 0);
#ifdef CONFIG_SERIAL_TXX9_CONSOLE
argptr = prom_getcmdline();
if (!strstr(argptr, "console="))

2
include/asm-mips/txx9/generic.h
View File

@ -47,5 +47,7 @@ char *prom_getcmdline(void);
void txx9_wdt_init(unsigned long base);
void txx9_spi_init(int busid, unsigned long base, int irq);
void txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr);
void txx9_sio_init(unsigned long baseaddr, int irq,
unsigned int line, unsigned int sclk, int nocts);
#endif /* __ASM_TXX9_GENERIC_H */

2
include/asm-mips/txx9/tx3927.h
View File

@ -331,7 +331,7 @@ struct tx3927_ccfg_reg {
void tx3927_wdt_init(void);
void tx3927_setup(void);
void tx3927_time_init(unsigned int evt_tmrnr, unsigned int src_tmrnr);
void tx3927_setup_serial(unsigned int cts_mask);
void tx3927_sio_init(unsigned int sclk, unsigned int cts_mask);
struct pci_controller;
void tx3927_pcic_setup(struct pci_controller *channel,
unsigned long sdram_size, int extarb);

2
include/asm-mips/txx9/tx4927.h
View File

@ -246,7 +246,7 @@ unsigned int tx4927_get_mem_size(void);
void tx4927_wdt_init(void);
void tx4927_setup(void);
void tx4927_time_init(unsigned int tmrnr);
void tx4927_setup_serial(void);
void tx4927_sio_init(unsigned int sclk, unsigned int cts_mask);
int tx4927_report_pciclk(void);
int tx4927_pciclk66_setup(void);
void tx4927_setup_pcierr_irq(void);

2
include/asm-mips/txx9/tx4938.h
View File

@ -279,7 +279,7 @@ struct tx4938_ccfg_reg {
void tx4938_wdt_init(void);
void tx4938_setup(void);
void tx4938_time_init(unsigned int tmrnr);
void tx4938_setup_serial(void);
void tx4938_sio_init(unsigned int sclk, unsigned int cts_mask);
void tx4938_spi_init(int busid);
void tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1);
int tx4938_report_pciclk(void);