X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fpmc-sierra%2Fyosemite%2Fsetup.c;h=3f724d661bdbf6d0f79aa56c7bc3b2793669cf23;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=43795a8415dfd54cad7238e959f4c63ca39b3616;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c index 43795a841..3f724d661 100644 --- a/arch/mips/pmc-sierra/yosemite/setup.c +++ b/arch/mips/pmc-sierra/yosemite/setup.c @@ -1,9 +1,9 @@ /* - * arch/mips/pmc-sierra/yosemite/setup.c - * * Copyright (C) 2003 PMC-Sierra Inc. * Author: Manish Lachwani (lachwani@pmc-sierra.com) * + * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your @@ -24,147 +24,214 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. */ - +#include #include #include #include -#include #include +#include #include #include #include #include -#include #include -#include +#include +#include +#include +#include + #include #include #include -#include #include #include #include #include #include -#include -#include -#include +#include +#include +#include #include "setup.h" +unsigned char titan_ge_mac_addr_base[6] = { + // 0x00, 0x03, 0xcc, 0x1d, 0x22, 0x00 + 0x00, 0xe0, 0x04, 0x00, 0x00, 0x21 +}; + unsigned long cpu_clock; unsigned long yosemite_base; -void __init bus_error_init(void) -{ - /* Do nothing */ +static struct m48t37_rtc *m48t37_base; + +void __init bus_error_init(void) +{ + /* Do nothing */ } + unsigned long m48t37y_get_time(void) { - unsigned char *rtc_base = YOSEMITE_RTC_BASE; - unsigned int year, month, day, hour, min, sec; + unsigned int year, month, day, hour, min, sec; + unsigned long flags; + spin_lock_irqsave(&rtc_lock, flags); /* Stop the update to the time */ - rtc_base[0x7ff8] = 0x40; + m48t37_base->control = 0x40; - year = CONV_BCD_TO_BIN(rtc_base[0x7fff]); - year += CONV_BCD_TO_BIN(rtc_base[0x7fff1]) * 100; + year = BCD2BIN(m48t37_base->year); + year += BCD2BIN(m48t37_base->century) * 100; - month = CONV_BCD_TO_BIN(rtc_base[0x7ffe]); - day = CONV_BCD_TO_BIN(rtc_base[0x7ffd]); - hour = CONV_BCD_TO_BIN(rtc_base[0x7ffb]); - min = CONV_BCD_TO_BIN(rtc_base[0x7ffa]); - sec = CONV_BCD_TO_BIN(rtc_base[0x7ff9]); + month = BCD2BIN(m48t37_base->month); + day = BCD2BIN(m48t37_base->date); + hour = BCD2BIN(m48t37_base->hour); + min = BCD2BIN(m48t37_base->min); + sec = BCD2BIN(m48t37_base->sec); /* Start the update to the time again */ - rtc_base[0x7ff8] = 0x00; + m48t37_base->control = 0x00; + spin_unlock_irqrestore(&rtc_lock, flags); return mktime(year, month, day, hour, min, sec); } int m48t37y_set_time(unsigned long sec) { - unsigned char *rtc_base = YOSEMITE_RTC_BASE; - unsigned int year, month, day, hour, min, sec; - - struct rtc_time tm; + struct rtc_time tm; + unsigned long flags; - /* convert to a more useful format -- note months count from 0 */ - to_tm(sec, &tm); - tm.tm_mon += 1; + /* convert to a more useful format -- note months count from 0 */ + to_tm(sec, &tm); + tm.tm_mon += 1; - /* enable writing */ - rtc_base[0x7ff8] = 0x80; + spin_lock_irqsave(&rtc_lock, flags); + /* enable writing */ + m48t37_base->control = 0x80; - /* year */ - rtc_base[0x7fff] = CONV_BIN_TO_BCD(tm.tm_year % 100); - rtc_base[0x7ff1] = CONV_BIN_TO_BCD(tm.tm_year / 100); + /* year */ + m48t37_base->year = BIN2BCD(tm.tm_year % 100); + m48t37_base->century = BIN2BCD(tm.tm_year / 100); - /* month */ - rtc_base[0x7ffe] = CONV_BIN_TO_BCD(tm.tm_mon); + /* month */ + m48t37_base->month = BIN2BCD(tm.tm_mon); - /* day */ - rtc_base[0x7ffd] = CONV_BIN_TO_BCD(tm.tm_mday); + /* day */ + m48t37_base->date = BIN2BCD(tm.tm_mday); - /* hour/min/sec */ - rtc_base[0x7ffb] = CONV_BIN_TO_BCD(tm.tm_hour); - rtc_base[0x7ffa] = CONV_BIN_TO_BCD(tm.tm_min); - rtc_base[0x7ff9] = CONV_BIN_TO_BCD(tm.tm_sec); + /* hour/min/sec */ + m48t37_base->hour = BIN2BCD(tm.tm_hour); + m48t37_base->min = BIN2BCD(tm.tm_min); + m48t37_base->sec = BIN2BCD(tm.tm_sec); - /* day of week -- not really used, but let's keep it up-to-date */ - rtc_base[0x7ffc] = CONV_BIN_TO_BCD(tm.tm_wday + 1); + /* day of week -- not really used, but let's keep it up-to-date */ + m48t37_base->day = BIN2BCD(tm.tm_wday + 1); - /* disable writing */ - rtc_base[0x7ff8] = 0x00; + /* disable writing */ + m48t37_base->control = 0x00; + spin_unlock_irqrestore(&rtc_lock, flags); - return 0; + return 0; } void yosemite_timer_setup(struct irqaction *irq) { - setup_irq(6, irq); + setup_irq(7, irq); } void yosemite_time_init(void) { - mips_counter_frequency = cpu_clock / 2; board_timer_setup = yosemite_timer_setup; + mips_hpt_frequency = cpu_clock / 2; +mips_hpt_frequency = 33000000 * 3 * 5; +} + +/* No other usable initialization hook than this ... */ +extern void (*late_time_init)(void); + +unsigned long ocd_base; + +EXPORT_SYMBOL(ocd_base); + +/* + * Common setup before any secondaries are started + */ - rtc_get_time = m48t37y_get_time; - rtc_set_time = m48t37y_set_time; +#define TITAN_UART_CLK 3686400 +#define TITAN_SERIAL_BASE_BAUD (TITAN_UART_CLK / 16) +#define TITAN_SERIAL_IRQ 4 +#define TITAN_SERIAL_BASE 0xfd000008UL + +static void __init py_map_ocd(void) +{ + ocd_base = (unsigned long) ioremap(OCD_BASE, OCD_SIZE); + if (!ocd_base) + panic("Mapping OCD failed - game over. Your score is 0."); + + /* Kludge for PMON bug ... */ + OCD_WRITE(0x0710, 0x0ffff029); +} + +static void __init py_uart_setup(void) +{ + struct uart_port up; + + /* + * Register to interrupt zero because we share the interrupt with + * the serial driver which we don't properly support yet. + */ + memset(&up, 0, sizeof(up)); + up.membase = (unsigned char *) ioremap(TITAN_SERIAL_BASE, 8); + up.irq = TITAN_SERIAL_IRQ; + up.uartclk = TITAN_UART_CLK; + up.regshift = 0; + up.iotype = UPIO_MEM; + up.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; + up.line = 0; + + if (early_serial_setup(&up)) + printk(KERN_ERR "Early serial init of port 0 failed\n"); } -static int __init pmc_yosemite_setup(void) +static void __init py_rtc_setup(void) { - unsigned long val = 0; + m48t37_base = ioremap(YOSEMITE_RTC_BASE, YOSEMITE_RTC_SIZE); + if (!m48t37_base) + printk(KERN_ERR "Mapping the RTC failed\n"); + + rtc_mips_get_time = m48t37y_get_time; + rtc_mips_set_time = m48t37y_set_time; + + write_seqlock(&xtime_lock); + xtime.tv_sec = m48t37y_get_time(); + xtime.tv_nsec = 0; + + set_normalized_timespec(&wall_to_monotonic, + -xtime.tv_sec, -xtime.tv_nsec); + write_sequnlock(&xtime_lock); +} - printk("PMC-Sierra Yosemite Board Setup \n"); +/* Not only time init but that's what the hook it's called through is named */ +static void __init py_late_time_init(void) +{ + py_map_ocd(); + py_uart_setup(); + py_rtc_setup(); +} + +void __init plat_setup(void) +{ board_time_init = yosemite_time_init; + late_time_init = py_late_time_init; /* Add memory regions */ add_memory_region(0x00000000, 0x10000000, BOOT_MEM_RAM); - add_memory_region(0x10000000, 0x10000000, BOOT_MEM_RAM); - - /* Setup the HT controller */ - val = *(volatile uint32_t *)(HYPERTRANSPORT_CONFIG_REG); - val |= HYPERTRANSPORT_ENABLE; - *(volatile uint32_t *)(HYPERTRANSPORT_CONFIG_REG) = val; - /* Set the BAR. Shifted mode */ - *(volatile uint32_t *)(HYPERTRANSPORT_BAR0_REG) = HYPERTRANSPORT_BAR0_ADDR; - *(volatile uint32_t *)(HYPERTRANSPORT_SIZE0_REG) = HYPERTRANSPORT_SIZE0; +#if 0 /* XXX Crash ... */ + OCD_WRITE(RM9000x2_OCD_HTSC, + OCD_READ(RM9000x2_OCD_HTSC) | HYPERTRANSPORT_ENABLE); -#ifdef CONFIG_PCI - ioport_resource.start = 0xe0000000; - ioport_resource.end = 0xe0000000 + 0x20000000 - 1; - iomem_resource.start = 0xc0000000; - iomem_resource.end = 0xc0000000 + 0x20000000 - 1; - - pci_scan_bus(0, &titan_pci_ops, NULL); + /* Set the BAR. Shifted mode */ + OCD_WRITE(RM9000x2_OCD_HTBAR0, HYPERTRANSPORT_BAR0_ADDR); + OCD_WRITE(RM9000x2_OCD_HTMASK0, HYPERTRANSPORT_SIZE0); #endif - - return 0; } - -early_initcall(pmc_yosemite_setup);