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[Gc-linux-cvs] linux/arch/ppc/platforms gamecube_time.c,1.1,1.2
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From: <sve...@us...> - 2004-05-01 19:10:45
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Update of /cvsroot/gc-linux/linux/arch/ppc/platforms In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv8629 Modified Files: gamecube_time.c Log Message: exi_sync was missing in set_rtc Index: gamecube_time.c =================================================================== RCS file: /cvsroot/gc-linux/linux/arch/ppc/platforms/gamecube_time.c,v retrieving revision 1.1 retrieving revision 1.2 diff -u -d -r1.1 -r1.2 --- gamecube_time.c 17 Apr 2004 08:53:36 -0000 1.1 +++ gamecube_time.c 1 May 2004 19:10:37 -0000 1.2 @@ -1,11 +1,3 @@ -/*#include <linux/config.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/string.h> -*/ -//#include <linux/mm.h> #include <linux/init.h> #include <linux/time.h> @@ -15,88 +7,88 @@ static int bias = 0; -long __init -gamecube_time_init(void) +long __init gamecube_time_init(void) { - char sram[64]; - int *pbias = &sram[0xC]; - read_sram(sram); - bias = *pbias; - printk("gamecube_time_init\n"); - return 0; + char sram[64]; + int *pbias = &sram[0xC]; + read_sram(sram); + bias = *pbias; + return 0; } unsigned long gamecube_get_rtc_time(void) { - return get_rtc() + bias + RTC_OFFSET; + return get_rtc() + bias + RTC_OFFSET; } int gamecube_set_rtc_time(unsigned long nowtime) { - set_rtc(nowtime - RTC_OFFSET - bias); + set_rtc(nowtime - RTC_OFFSET - bias); - return 1; + return 1; } -static unsigned long get_rtc (void) +static unsigned long get_rtc(void) { - unsigned long a = 0L; + unsigned long a = 0L; - // Select the RTC device. - exi_select (0, 1, 3); + // Select the RTC device. + exi_select(0, 1, 3); - // Send the appropriate command. - a = 0x20000000; - exi_imm (0, &a, 4, 1, 0); - exi_sync(0); - // Read the time and date value! - exi_imm (0, &a, 4, 0, 0); - exi_sync(0); + // Send the appropriate command. + a = 0x20000000; + exi_imm(0, &a, 4, 1, 0); + exi_sync(0); + // Read the time and date value! + exi_imm(0, &a, 4, 0, 0); + exi_sync(0); - // Deselect the RTC device. - exi_deselect (0); + // Deselect the RTC device. + exi_deselect(0); - return a; + return a; } -static void set_rtc (unsigned long aval) +static void set_rtc(unsigned long aval) { - unsigned long a; + unsigned long a; - // Select the RTC device. - exi_select (0, 1, 3); + // Select the RTC device. + exi_select(0, 1, 3); - // Send the appropriate command. - a = 0xA0000000; - exi_imm (0, &a, 4, 1, 0); + // Send the appropriate command. + a = 0xA0000000; + exi_imm(0, &a, 4, 1, 0); + exi_sync(0); - // Set the new time and date value! - exi_imm (0, &aval, 4, 1, 0); + // Set the new time and date value! + exi_imm(0, &aval, 4, 1, 0); + exi_sync(0); - // Deselect the RTC device. - exi_deselect (0); + // Deselect the RTC device. + exi_deselect(0); } -static void read_sram (unsigned char *abuf) +static void read_sram(unsigned char *abuf) { - unsigned long a; + unsigned long a; - // Select the SRAM device. - exi_select (0, 1, 3); + // Select the SRAM device. + exi_select(0, 1, 3); - // Send the appropriate command. - a = 0x20000100; - exi_imm (0, &a, 4, 1, 0); - exi_sync(0); + // Send the appropriate command. + a = 0x20000100; + exi_imm(0, &a, 4, 1, 0); + exi_sync(0); - // Read the SRAM data! - exi_imm_ex (0, abuf, 64, 0); + // Read the SRAM data! + exi_imm_ex(0, abuf, 64, 0); - // Deselect the SRAM device. - exi_deselect (0); + // Deselect the SRAM device. + exi_deselect(0); - return; + return; } /////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -110,22 +102,24 @@ static int selected = 0; static void exi_select(int channel, int device, int freq) { - volatile unsigned long *exi = (volatile unsigned long *)0xCC006800; - selected ++; + volatile unsigned long *exi = + (volatile unsigned long *) 0xCC006800; + selected++; if (selected != 1) panic("-------- select while selected!\n"); long d; // exi_select d = exi[channel * 5]; d &= 0x405; - d |= ((1<<device)<<7) | (freq << 4); - exi[channel*5] = d; + d |= ((1 << device) << 7) | (freq << 4); + exi[channel * 5] = d; } /* disable chipselect */ static void exi_deselect(int channel) { - volatile unsigned long *exi = (volatile unsigned long *)0xCC006800; + volatile unsigned long *exi = + (volatile unsigned long *) 0xCC006800; selected--; if (selected) panic("deselect broken!"); @@ -134,22 +128,21 @@ /* dirty way for asynchronous reads */ static void *exi_last_addr; -static int exi_last_len; +static int exi_last_len; /* mode?Read:Write len bytes to/from channel */ /* when read, data will be written back in exi_sync */ static void exi_imm(int channel, void *data, int len, int mode, int zero) { - volatile unsigned long *exi = (volatile unsigned long *)0xCC006800; + volatile unsigned long *exi = + (volatile unsigned long *) 0xCC006800; if (mode == EXI_WRITE) - exi[channel * 5 + 4] = *(unsigned long*)data; - exi[channel * 5 + 3] = ((len-1)<<4)|(mode<<2)|1; - if (mode == EXI_READ) - { + exi[channel * 5 + 4] = *(unsigned long *) data; + exi[channel * 5 + 3] = ((len - 1) << 4) | (mode << 2) | 1; + if (mode == EXI_READ) { exi_last_addr = data; exi_last_len = len; - } else - { + } else { exi_last_addr = 0; exi_last_len = 0; } @@ -158,30 +151,31 @@ /* Wait until transfer is done, write back data */ static void exi_sync(int channel) { - volatile unsigned long *exi = (volatile unsigned long *)0xCC006800; + volatile unsigned long *exi = + (volatile unsigned long *) 0xCC006800; while (exi[channel * 5 + 3] & 1); - if (exi_last_addr) - { + if (exi_last_addr) { int i; unsigned long d; d = exi[channel * 5 + 4]; - for (i=0; i<exi_last_len; ++i) - ((unsigned char*)exi_last_addr)[i] = (d >> ((3-i)*8)) & 0xFF; + for (i = 0; i < exi_last_len; ++i) + ((unsigned char *) exi_last_addr)[i] = + (d >> ((3 - i) * 8)) & 0xFF; } } /* simple wrapper for transfers > 4bytes */ static void exi_imm_ex(int channel, void *data, int len, int mode) { - unsigned char *d = (unsigned char*)data; - while (len) - { + unsigned char *d = (unsigned char *) data; + while (len) { int tc = len; - if (tc > 4) tc = 4; + if (tc > 4) + tc = 4; exi_imm(channel, d, tc, mode, 0); exi_sync(channel); - len-=tc; - d+=tc; + len -= tc; + d += tc; } } |
