diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/mvme16x/config.c')
-rw-r--r-- | ANDROID_3.4.5/arch/m68k/mvme16x/config.c | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/mvme16x/config.c b/ANDROID_3.4.5/arch/m68k/mvme16x/config.c deleted file mode 100644 index b6d7d8a7..00000000 --- a/ANDROID_3.4.5/arch/m68k/mvme16x/config.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * arch/m68k/mvme16x/config.c - * - * Copyright (C) 1995 Richard Hirst [richard@sleepie.demon.co.uk] - * - * Based on: - * - * linux/amiga/config.c - * - * Copyright (C) 1993 Hamish Macdonald - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file README.legal in the main directory of this archive - * for more details. - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/seq_file.h> -#include <linux/tty.h> -#include <linux/console.h> -#include <linux/linkage.h> -#include <linux/init.h> -#include <linux/major.h> -#include <linux/genhd.h> -#include <linux/rtc.h> -#include <linux/interrupt.h> -#include <linux/module.h> - -#include <asm/bootinfo.h> -#include <asm/pgtable.h> -#include <asm/setup.h> -#include <asm/irq.h> -#include <asm/traps.h> -#include <asm/rtc.h> -#include <asm/machdep.h> -#include <asm/mvme16xhw.h> - -extern t_bdid mvme_bdid; - -static MK48T08ptr_t volatile rtc = (MK48T08ptr_t)MVME_RTC_BASE; - -static void mvme16x_get_model(char *model); -extern void mvme16x_sched_init(irq_handler_t handler); -extern unsigned long mvme16x_gettimeoffset (void); -extern int mvme16x_hwclk (int, struct rtc_time *); -extern int mvme16x_set_clock_mmss (unsigned long); -extern void mvme16x_reset (void); - -int bcd2int (unsigned char b); - -/* Save tick handler routine pointer, will point to xtime_update() in - * kernel/time/timekeeping.c, called via mvme16x_process_int() */ - -static irq_handler_t tick_handler; - - -unsigned short mvme16x_config; -EXPORT_SYMBOL(mvme16x_config); - - -int mvme16x_parse_bootinfo(const struct bi_record *bi) -{ - if (bi->tag == BI_VME_TYPE || bi->tag == BI_VME_BRDINFO) - return 0; - else - return 1; -} - -void mvme16x_reset(void) -{ - printk ("\r\n\nCalled mvme16x_reset\r\n" - "\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r"); - /* The string of returns is to delay the reset until the whole - * message is output. Assert reset bit in GCSR */ - *(volatile char *)0xfff40107 = 0x80; -} - -static void mvme16x_get_model(char *model) -{ - p_bdid p = &mvme_bdid; - char suf[4]; - - suf[1] = p->brdsuffix[0]; - suf[2] = p->brdsuffix[1]; - suf[3] = '\0'; - suf[0] = suf[1] ? '-' : '\0'; - - sprintf(model, "Motorola MVME%x%s", p->brdno, suf); -} - - -static void mvme16x_get_hardware_list(struct seq_file *m) -{ - p_bdid p = &mvme_bdid; - - if (p->brdno == 0x0162 || p->brdno == 0x0172) - { - unsigned char rev = *(unsigned char *)MVME162_VERSION_REG; - - seq_printf (m, "VMEchip2 %spresent\n", - rev & MVME16x_CONFIG_NO_VMECHIP2 ? "NOT " : ""); - seq_printf (m, "SCSI interface %spresent\n", - rev & MVME16x_CONFIG_NO_SCSICHIP ? "NOT " : ""); - seq_printf (m, "Ethernet i/f %spresent\n", - rev & MVME16x_CONFIG_NO_ETHERNET ? "NOT " : ""); - } -} - -/* - * This function is called during kernel startup to initialize - * the mvme16x IRQ handling routines. Should probably ensure - * that the base vectors for the VMEChip2 and PCCChip2 are valid. - */ - -static void __init mvme16x_init_IRQ (void) -{ - m68k_setup_user_interrupt(VEC_USER, 192); -} - -#define pcc2chip ((volatile u_char *)0xfff42000) -#define PccSCCMICR 0x1d -#define PccSCCTICR 0x1e -#define PccSCCRICR 0x1f -#define PccTPIACKR 0x25 - -#ifdef CONFIG_EARLY_PRINTK - -/**** cd2401 registers ****/ -#define CD2401_ADDR (0xfff45000) - -#define CyGFRCR (0x81) -#define CyCCR (0x13) -#define CyCLR_CHAN (0x40) -#define CyINIT_CHAN (0x20) -#define CyCHIP_RESET (0x10) -#define CyENB_XMTR (0x08) -#define CyDIS_XMTR (0x04) -#define CyENB_RCVR (0x02) -#define CyDIS_RCVR (0x01) -#define CyCAR (0xee) -#define CyIER (0x11) -#define CyMdmCh (0x80) -#define CyRxExc (0x20) -#define CyRxData (0x08) -#define CyTxMpty (0x02) -#define CyTxRdy (0x01) -#define CyLICR (0x26) -#define CyRISR (0x89) -#define CyTIMEOUT (0x80) -#define CySPECHAR (0x70) -#define CyOVERRUN (0x08) -#define CyPARITY (0x04) -#define CyFRAME (0x02) -#define CyBREAK (0x01) -#define CyREOIR (0x84) -#define CyTEOIR (0x85) -#define CyMEOIR (0x86) -#define CyNOTRANS (0x08) -#define CyRFOC (0x30) -#define CyRDR (0xf8) -#define CyTDR (0xf8) -#define CyMISR (0x8b) -#define CyRISR (0x89) -#define CyTISR (0x8a) -#define CyMSVR1 (0xde) -#define CyMSVR2 (0xdf) -#define CyDSR (0x80) -#define CyDCD (0x40) -#define CyCTS (0x20) -#define CyDTR (0x02) -#define CyRTS (0x01) -#define CyRTPRL (0x25) -#define CyRTPRH (0x24) -#define CyCOR1 (0x10) -#define CyPARITY_NONE (0x00) -#define CyPARITY_E (0x40) -#define CyPARITY_O (0xC0) -#define Cy_5_BITS (0x04) -#define Cy_6_BITS (0x05) -#define Cy_7_BITS (0x06) -#define Cy_8_BITS (0x07) -#define CyCOR2 (0x17) -#define CyETC (0x20) -#define CyCtsAE (0x02) -#define CyCOR3 (0x16) -#define Cy_1_STOP (0x02) -#define Cy_2_STOP (0x04) -#define CyCOR4 (0x15) -#define CyREC_FIFO (0x0F) /* Receive FIFO threshold */ -#define CyCOR5 (0x14) -#define CyCOR6 (0x18) -#define CyCOR7 (0x07) -#define CyRBPR (0xcb) -#define CyRCOR (0xc8) -#define CyTBPR (0xc3) -#define CyTCOR (0xc0) -#define CySCHR1 (0x1f) -#define CySCHR2 (0x1e) -#define CyTPR (0xda) -#define CyPILR1 (0xe3) -#define CyPILR2 (0xe0) -#define CyPILR3 (0xe1) -#define CyCMR (0x1b) -#define CyASYNC (0x02) -#define CyLICR (0x26) -#define CyLIVR (0x09) -#define CySCRL (0x23) -#define CySCRH (0x22) -#define CyTFTC (0x80) - -static void cons_write(struct console *co, const char *str, unsigned count) -{ - volatile unsigned char *base_addr = (u_char *)CD2401_ADDR; - volatile u_char sink; - u_char ier; - int port; - u_char do_lf = 0; - int i = 0; - - /* Ensure transmitter is enabled! */ - - port = 0; - base_addr[CyCAR] = (u_char)port; - while (base_addr[CyCCR]) - ; - base_addr[CyCCR] = CyENB_XMTR; - - ier = base_addr[CyIER]; - base_addr[CyIER] = CyTxMpty; - - while (1) { - if (pcc2chip[PccSCCTICR] & 0x20) - { - /* We have a Tx int. Acknowledge it */ - sink = pcc2chip[PccTPIACKR]; - if ((base_addr[CyLICR] >> 2) == port) { - if (i == count) { - /* Last char of string is now output */ - base_addr[CyTEOIR] = CyNOTRANS; - break; - } - if (do_lf) { - base_addr[CyTDR] = '\n'; - str++; - i++; - do_lf = 0; - } - else if (*str == '\n') { - base_addr[CyTDR] = '\r'; - do_lf = 1; - } - else { - base_addr[CyTDR] = *str++; - i++; - } - base_addr[CyTEOIR] = 0; - } - else - base_addr[CyTEOIR] = CyNOTRANS; - } - } - - base_addr[CyIER] = ier; -} - -static struct console cons_info = -{ - .name = "sercon", - .write = cons_write, - .flags = CON_PRINTBUFFER | CON_BOOT, - .index = -1, -}; - -static void __init mvme16x_early_console(void) -{ - register_console(&cons_info); - - printk(KERN_INFO "MVME16x: early console registered\n"); -} -#endif - -void __init config_mvme16x(void) -{ - p_bdid p = &mvme_bdid; - char id[40]; - - mach_max_dma_address = 0xffffffff; - mach_sched_init = mvme16x_sched_init; - mach_init_IRQ = mvme16x_init_IRQ; - mach_gettimeoffset = mvme16x_gettimeoffset; - mach_hwclk = mvme16x_hwclk; - mach_set_clock_mmss = mvme16x_set_clock_mmss; - mach_reset = mvme16x_reset; - mach_get_model = mvme16x_get_model; - mach_get_hardware_list = mvme16x_get_hardware_list; - - /* Report board revision */ - - if (strncmp("BDID", p->bdid, 4)) - { - printk ("\n\nBug call .BRD_ID returned garbage - giving up\n\n"); - while (1) - ; - } - /* Board type is only set by newer versions of vmelilo/tftplilo */ - if (vme_brdtype == 0) - vme_brdtype = p->brdno; - - mvme16x_get_model(id); - printk ("\nBRD_ID: %s BUG %x.%x %02x/%02x/%02x\n", id, p->rev>>4, - p->rev&0xf, p->yr, p->mth, p->day); - if (p->brdno == 0x0162 || p->brdno == 0x172) - { - unsigned char rev = *(unsigned char *)MVME162_VERSION_REG; - - mvme16x_config = rev | MVME16x_CONFIG_GOT_SCCA; - - printk ("MVME%x Hardware status:\n", p->brdno); - printk (" CPU Type 68%s040\n", - rev & MVME16x_CONFIG_GOT_FPU ? "" : "LC"); - printk (" CPU clock %dMHz\n", - rev & MVME16x_CONFIG_SPEED_32 ? 32 : 25); - printk (" VMEchip2 %spresent\n", - rev & MVME16x_CONFIG_NO_VMECHIP2 ? "NOT " : ""); - printk (" SCSI interface %spresent\n", - rev & MVME16x_CONFIG_NO_SCSICHIP ? "NOT " : ""); - printk (" Ethernet interface %spresent\n", - rev & MVME16x_CONFIG_NO_ETHERNET ? "NOT " : ""); - } - else - { - mvme16x_config = MVME16x_CONFIG_GOT_LP | MVME16x_CONFIG_GOT_CD2401; - - /* Dont allow any interrupts from the CD2401 until the interrupt */ - /* handlers are installed */ - - pcc2chip[PccSCCMICR] = 0x10; - pcc2chip[PccSCCTICR] = 0x10; - pcc2chip[PccSCCRICR] = 0x10; -#ifdef CONFIG_EARLY_PRINTK - mvme16x_early_console(); -#endif - } -} - -static irqreturn_t mvme16x_abort_int (int irq, void *dev_id) -{ - p_bdid p = &mvme_bdid; - unsigned long *new = (unsigned long *)vectors; - unsigned long *old = (unsigned long *)0xffe00000; - volatile unsigned char uc, *ucp; - - if (p->brdno == 0x0162 || p->brdno == 0x172) - { - ucp = (volatile unsigned char *)0xfff42043; - uc = *ucp | 8; - *ucp = uc; - } - else - { - *(volatile unsigned long *)0xfff40074 = 0x40000000; - } - *(new+4) = *(old+4); /* Illegal instruction */ - *(new+9) = *(old+9); /* Trace */ - *(new+47) = *(old+47); /* Trap #15 */ - - if (p->brdno == 0x0162 || p->brdno == 0x172) - *(new+0x5e) = *(old+0x5e); /* ABORT switch */ - else - *(new+0x6e) = *(old+0x6e); /* ABORT switch */ - return IRQ_HANDLED; -} - -static irqreturn_t mvme16x_timer_int (int irq, void *dev_id) -{ - *(volatile unsigned char *)0xfff4201b |= 8; - return tick_handler(irq, dev_id); -} - -void mvme16x_sched_init (irq_handler_t timer_routine) -{ - p_bdid p = &mvme_bdid; - int irq; - - tick_handler = timer_routine; - /* Using PCCchip2 or MC2 chip tick timer 1 */ - *(volatile unsigned long *)0xfff42008 = 0; - *(volatile unsigned long *)0xfff42004 = 10000; /* 10ms */ - *(volatile unsigned char *)0xfff42017 |= 3; - *(volatile unsigned char *)0xfff4201b = 0x16; - if (request_irq(MVME16x_IRQ_TIMER, mvme16x_timer_int, 0, - "timer", mvme16x_timer_int)) - panic ("Couldn't register timer int"); - - if (p->brdno == 0x0162 || p->brdno == 0x172) - irq = MVME162_IRQ_ABORT; - else - irq = MVME167_IRQ_ABORT; - if (request_irq(irq, mvme16x_abort_int, 0, - "abort", mvme16x_abort_int)) - panic ("Couldn't register abort int"); -} - - -/* This is always executed with interrupts disabled. */ -unsigned long mvme16x_gettimeoffset (void) -{ - return (*(volatile unsigned long *)0xfff42008); -} - -int bcd2int (unsigned char b) -{ - return ((b>>4)*10 + (b&15)); -} - -int mvme16x_hwclk(int op, struct rtc_time *t) -{ -#warning check me! - if (!op) { - rtc->ctrl = RTC_READ; - t->tm_year = bcd2int (rtc->bcd_year); - t->tm_mon = bcd2int (rtc->bcd_mth); - t->tm_mday = bcd2int (rtc->bcd_dom); - t->tm_hour = bcd2int (rtc->bcd_hr); - t->tm_min = bcd2int (rtc->bcd_min); - t->tm_sec = bcd2int (rtc->bcd_sec); - rtc->ctrl = 0; - } - return 0; -} - -int mvme16x_set_clock_mmss (unsigned long nowtime) -{ - return 0; -} - |