From: Atsushi Nemoto Date: Fri, 25 Jul 2008 14:08:06 +0000 (+0900) Subject: [MIPS] TXx9: Unify serial_txx9 setup X-Git-Tag: v2.6.27-rc2~114^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7779a5e07d33fe316fe468e7afe7975fb686a831;p=platform%2Fkernel%2Flinux-3.10.git [MIPS] TXx9: Unify serial_txx9 setup * Unify calling of early_serial_txx9_setup. * Use dedicated serial clock on RBTX4938. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index b136c66..94ce1a5 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -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) { diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c index 0d09a0f..7bd963d 100644 --- a/arch/mips/txx9/generic/setup_tx3927.c +++ b/arch/mips/txx9/generic/setup_tx3927.c @@ -13,8 +13,8 @@ #include #include #include -#include #include +#include #include #include #include @@ -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); } diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c index b42c855..f80d4b7 100644 --- a/arch/mips/txx9/generic/setup_tx4927.c +++ b/arch/mips/txx9/generic/setup_tx4927.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -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); } diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c index 1ceace4..f3040b9 100644 --- a/arch/mips/txx9/generic/setup_tx4938.c +++ b/arch/mips/txx9/generic/setup_tx4938.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -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) diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c index cf7513d..87db41b 100644 --- a/arch/mips/txx9/jmr3927/setup.c +++ b/arch/mips/txx9/jmr3927/setup.c @@ -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=")) diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index 962ada5..0d39baf 100644 --- a/arch/mips/txx9/rbtx4927/setup.c +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -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=")) diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c index 5c05a21..9ab48de 100644 --- a/arch/mips/txx9/rbtx4938/setup.c +++ b/arch/mips/txx9/rbtx4938/setup.c @@ -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=")) diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h index c6b5cd6..a295aaa 100644 --- a/include/asm-mips/txx9/generic.h +++ b/include/asm-mips/txx9/generic.h @@ -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 */ diff --git a/include/asm-mips/txx9/tx3927.h b/include/asm-mips/txx9/tx3927.h index f0439a7..14e0636 100644 --- a/include/asm-mips/txx9/tx3927.h +++ b/include/asm-mips/txx9/tx3927.h @@ -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); diff --git a/include/asm-mips/txx9/tx4927.h b/include/asm-mips/txx9/tx4927.h index 3d9fd7d..195f651 100644 --- a/include/asm-mips/txx9/tx4927.h +++ b/include/asm-mips/txx9/tx4927.h @@ -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); diff --git a/include/asm-mips/txx9/tx4938.h b/include/asm-mips/txx9/tx4938.h index 26f9d4a..8175d4c 100644 --- a/include/asm-mips/txx9/tx4938.h +++ b/include/asm-mips/txx9/tx4938.h @@ -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);