diff options
Diffstat (limited to 'arch/mips/txx9/rbtx4927/setup.c')
| -rw-r--r-- | arch/mips/txx9/rbtx4927/setup.c | 89 |
1 files changed, 26 insertions, 63 deletions
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index 1657fd935da..3da20ea3e55 100644 --- a/arch/mips/txx9/rbtx4927/setup.c +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -53,17 +53,10 @@ #include <asm/io.h> #include <asm/processor.h> #include <asm/reboot.h> -#include <asm/time.h> -#include <asm/txx9tmr.h> #include <asm/txx9/generic.h> #include <asm/txx9/pci.h> #include <asm/txx9/rbtx4927.h> #include <asm/txx9/tx4938.h> /* for TX4937 */ -#ifdef CONFIG_SERIAL_TXX9 -#include <linux/serial_core.h> -#endif - -static int tx4927_ccfg_toeon = 1; #ifdef CONFIG_PCI static void __init tx4927_pci_setup(void) @@ -184,14 +177,14 @@ static void toshiba_rbtx4927_restart(char *command) printk(KERN_NOTICE "System Rebooting...\n"); /* enable the s/w reset register */ - writeb(RBTX4927_SW_RESET_ENABLE_SET, RBTX4927_SW_RESET_ENABLE); + writeb(1, rbtx4927_softresetlock_addr); /* wait for enable to be seen */ - while ((readb(RBTX4927_SW_RESET_ENABLE) & - RBTX4927_SW_RESET_ENABLE_SET) == 0x00); + while (!(readb(rbtx4927_softresetlock_addr) & 1)) + ; /* do a s/w reset */ - writeb(RBTX4927_SW_RESET_DO_SET, RBTX4927_SW_RESET_DO); + writeb(1, rbtx4927_softreset_addr); /* do something passive while waiting for reset */ local_irq_disable(); @@ -213,9 +206,11 @@ static void toshiba_rbtx4927_power_off(void) /* no return */ } +static void __init rbtx4927_clock_init(void); +static void __init rbtx4937_clock_init(void); + static void __init rbtx4927_mem_setup(void) { - int i; u32 cp0_config; char *argptr; @@ -227,16 +222,18 @@ static void __init rbtx4927_mem_setup(void) cp0_config = cp0_config & ~(TX49_CONF_IC | TX49_CONF_DC); write_c0_config(cp0_config); - ioport_resource.end = 0xffffffff; - iomem_resource.end = 0xffffffff; + if (TX4927_REV_PCODE() == 0x4927) { + rbtx4927_clock_init(); + tx4927_setup(); + } else { + rbtx4937_clock_init(); + tx4938_setup(); + } _machine_restart = toshiba_rbtx4927_restart; _machine_halt = toshiba_rbtx4927_halt; pm_power_off = toshiba_rbtx4927_power_off; - for (i = 0; i < TX4927_NR_TMR; i++) - txx9_tmr_init(TX4927_TMR_REG(0) & 0xfffffffffULL); - #ifdef CONFIG_PCI txx9_alloc_pci_controller(&txx9_primary_pcic, RBTX4927_PCIMEM, RBTX4927_PCIMEM_SIZE, @@ -245,36 +242,13 @@ static void __init rbtx4927_mem_setup(void) set_io_port_base(KSEG1 + RBTX4927_ISA_IO_OFFSET); #endif - /* CCFG */ - /* do reset on watchdog */ - tx4927_ccfg_set(TX4927_CCFG_WR); - /* enable Timeout BusError */ - if (tx4927_ccfg_toeon) - tx4927_ccfg_set(TX4927_CCFG_TOE); - -#ifdef CONFIG_SERIAL_TXX9 - { - extern int early_serial_txx9_setup(struct uart_port *port); - struct uart_port req; - for(i = 0; i < 2; i++) { - memset(&req, 0, sizeof(req)); - req.line = i; - req.iotype = UPIO_MEM; - req.membase = (char *)(0xff1ff300 + i * 0x100); - req.mapbase = 0xff1ff300 + i * 0x100; - req.irq = TXX9_IRQ_BASE + TX4927_IR_SIO(i); - req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/; - req.uartclk = 50000000; - early_serial_txx9_setup(&req); - } - } + tx4927_setup_serial(); #ifdef CONFIG_SERIAL_TXX9_CONSOLE argptr = prom_getcmdline(); if (strstr(argptr, "console=") == NULL) { strcat(argptr, " console=ttyS0,38400"); } #endif -#endif #ifdef CONFIG_ROOT_NFS argptr = prom_getcmdline(); @@ -291,19 +265,7 @@ static void __init rbtx4927_mem_setup(void) #endif } -static void __init rbtx49x7_common_time_init(void) -{ - /* change default value to udelay/mdelay take reasonable time */ - loops_per_jiffy = txx9_cpu_clock / HZ / 2; - - mips_hpt_frequency = txx9_cpu_clock / 2; - if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_TINTDIS) - txx9_clockevent_init(TX4927_TMR_REG(0) & 0xfffffffffULL, - TXX9_IRQ_BASE + 17, - 50000000); -} - -static void __init rbtx4927_time_init(void) +static void __init rbtx4927_clock_init(void) { /* * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz. @@ -325,11 +287,9 @@ static void __init rbtx4927_time_init(void) default: txx9_cpu_clock = 200000000; /* 200MHz */ } - - rbtx49x7_common_time_init(); } -static void __init rbtx4937_time_init(void) +static void __init rbtx4937_clock_init(void) { /* * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz. @@ -357,15 +317,18 @@ static void __init rbtx4937_time_init(void) default: txx9_cpu_clock = 333333333; /* 333MHz */ } +} - rbtx49x7_common_time_init(); +static void __init rbtx4927_time_init(void) +{ + tx4927_time_init(0); } static int __init toshiba_rbtx4927_rtc_init(void) { - static struct resource __initdata res = { - .start = 0x1c010000, - .end = 0x1c010000 + 0x800 - 1, + struct resource res = { + .start = RBTX4927_BRAMRTC_BASE - IO_BASE, + .end = RBTX4927_BRAMRTC_BASE - IO_BASE + 0x800 - 1, .flags = IORESOURCE_MEM, }; struct platform_device *dev = @@ -375,7 +338,7 @@ static int __init toshiba_rbtx4927_rtc_init(void) static int __init rbtx4927_ne_init(void) { - static struct resource __initdata res[] = { + struct resource res[] = { { .start = RBTX4927_RTL_8019_BASE, .end = RBTX4927_RTL_8019_BASE + 0x20 - 1, @@ -434,7 +397,7 @@ struct txx9_board_vec rbtx4937_vec __initdata = { .prom_init = rbtx4927_prom_init, .mem_setup = rbtx4927_mem_setup, .irq_setup = rbtx4927_irq_setup, - .time_init = rbtx4937_time_init, + .time_init = rbtx4927_time_init, .device_init = rbtx4927_device_init, .arch_init = rbtx4937_arch_init, #ifdef CONFIG_PCI |