Add BPMP overclock, add hekate fixes, fix sprintf

This commit is contained in:
shchmue 2019-09-14 22:16:10 -06:00
parent 34890f0025
commit 82bea6be8f
39 changed files with 1130 additions and 544 deletions

View file

@ -29,7 +29,7 @@ u8 btn_read()
res |= BTN_VOL_DOWN;
if (!gpio_read(GPIO_PORT_X, GPIO_PIN_6))
res |= BTN_VOL_UP;
if (i2c_recv_byte(4, MAX77620_I2C_ADDR, 0x15) & 0x4)
if (i2c_recv_byte(4, MAX77620_I2C_ADDR, MAX77620_REG_ONOFFSTAT) & 0x4)
res |= BTN_POWER;
return res;
}

View file

@ -1,122 +1,123 @@
/*
* Copyright (c) 2019 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "types.h"
#include <stdarg.h>
static void _putc(char *buffer, const char c) {
*buffer = c;
}
static u32 _puts(char *buffer, const char *s) {
u32 count = 0;
for (; *s; s++, count++)
_putc(buffer + count, *s);
return count;
}
static u32 _putn(char *buffer, u32 v, int base, char fill, int fcnt) {
char buf[0x121];
static const char digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
char *p;
int c = fcnt;
if (base > 36)
return 0;
p = buf + 0x120;
*p = 0;
do {
c--;
*--p = digits[v % base];
v /= base;
} while (v);
if (fill != 0) {
while (c > 0) {
*--p = fill;
c--;
}
}
return _puts(buffer, p);
}
u32 sprintf(char *buffer, const char *fmt, ...) {
va_list ap;
int fill, fcnt;
u32 count = 0;
va_start(ap, fmt);
while(*fmt) {
if (*fmt == '%') {
fmt++;
fill = 0;
fcnt = 0;
if ((*fmt >= '0' && *fmt <= '9') || *fmt == ' ') {
fcnt = *fmt;
fmt++;
if (*fmt >= '0' && *fmt <= '9') {
fill = fcnt;
fcnt = *fmt - '0';
fmt++;
} else {
fill = ' ';
fcnt -= '0';
}
}
switch (*fmt) {
case 'c':
_putc(buffer + count, va_arg(ap, u32));
count++;
break;
case 's':
count += _puts(buffer + count, va_arg(ap, char *));
break;
case 'd':
count += _putn(buffer + count, va_arg(ap, u32), 10, fill, fcnt);
break;
case 'p':
case 'P':
case 'x':
case 'X':
count += _putn(buffer + count, va_arg(ap, u32), 16, fill, fcnt);
break;
case '%':
_putc(buffer + count, '%');
count++;
break;
case '\0':
goto out;
default:
_putc(buffer + count, '%');
_putc(buffer + count, *fmt);
count += 2;
break;
}
} else {
_putc(buffer + count, *fmt);
count++;
}
fmt++;
}
out:
buffer[count] = 0;
va_end(ap);
return count;
/*
* Copyright (c) 2019 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "sprintf.h"
#include <stdarg.h>
static void _putc(char *buffer, const char c) {
*buffer = c;
}
static u32 _puts(char *buffer, const char *s) {
u32 count = 0;
for (; *s; s++, count++)
_putc(buffer + count, *s);
return count;
}
static u32 _putn(char *buffer, u32 v, int base, char fill, int fcnt) {
char buf[0x121];
static const char digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
char *p;
int c = fcnt;
if (base > 36)
return 0;
p = buf + 0x120;
*p = 0;
do {
c--;
*--p = digits[v % base];
v /= base;
} while (v);
if (fill != 0) {
while (c > 0) {
*--p = fill;
c--;
}
}
return _puts(buffer, p);
}
u32 sprintf(char *buffer, const char *fmt, ...) {
va_list ap;
int fill, fcnt;
u32 count = 0;
va_start(ap, fmt);
while(*fmt) {
if (*fmt == '%') {
fmt++;
fill = 0;
fcnt = 0;
if ((*fmt >= '0' && *fmt <= '9') || *fmt == ' ') {
fcnt = *fmt;
fmt++;
if (*fmt >= '0' && *fmt <= '9') {
fill = fcnt;
fcnt = *fmt - '0';
fmt++;
} else {
fill = ' ';
fcnt -= '0';
}
}
switch (*fmt) {
case 'c':
_putc(buffer + count, va_arg(ap, u32));
count++;
break;
case 's':
count += _puts(buffer + count, va_arg(ap, char *));
break;
case 'd':
count += _putn(buffer + count, va_arg(ap, u32), 10, fill, fcnt);
break;
case 'p':
case 'P':
case 'x':
case 'X':
count += _putn(buffer + count, va_arg(ap, u32), 16, fill, fcnt);
break;
case '%':
_putc(buffer + count, '%');
count++;
break;
case '\0':
goto out;
default:
_putc(buffer + count, '%');
count++;
_putc(buffer + count, *fmt);
count++;
break;
}
} else {
_putc(buffer + count, *fmt);
count++;
}
fmt++;
}
out:
buffer[count] = 0;
va_end(ap);
return count;
}

View file

@ -1,22 +1,24 @@
/*
* Copyright (c) 2019 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPRINTF_H_
#define _SPRINTF_H_
u32 sprintf(char *buffer, const char *fmt, ...);
#endif
/*
* Copyright (c) 2019 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPRINTF_H_
#define _SPRINTF_H_
#include "types.h"
u32 sprintf(char *buffer, const char *fmt, ...);
#endif

View file

@ -78,12 +78,18 @@ typedef int bool;
typedef struct __attribute__((__packed__)) _boot_cfg_t
{
u8 boot_cfg;
u8 autoboot;
u8 autoboot_list;
u8 extra_cfg;
u32 sd_timeoff;
u8 rsvd[124];
u8 boot_cfg;
u8 autoboot;
u8 autoboot_list;
u8 extra_cfg;
union
{
struct
{
char id[8];
};
u8 xt_str[0x80];
};
} boot_cfg_t;
typedef struct __attribute__((__packed__)) _reloc_meta_t

View file

@ -19,10 +19,13 @@
#include "../gfx/di.h"
#include "../power/max77620.h"
#include "../rtc/max77620-rtc.h"
#include "../soc/bpmp.h"
#include "../soc/i2c.h"
#include "../soc/pmc.h"
#include "../soc/t210.h"
#define USE_RTC_TIMER
extern void sd_unmount();
u32 get_tmr_s()
@ -34,7 +37,7 @@ u32 get_tmr_ms()
{
// The registers must be read with the following order:
// RTC_MILLI_SECONDS (0x10) -> RTC_SHADOW_SECONDS (0xC)
return (RTC(APBDEV_RTC_MILLI_SECONDS) | (RTC(APBDEV_RTC_SHADOW_SECONDS) << 10));
return (RTC(APBDEV_RTC_MILLI_SECONDS) + (RTC(APBDEV_RTC_SHADOW_SECONDS) * 1000));
}
u32 get_tmr_us()
@ -42,19 +45,32 @@ u32 get_tmr_us()
return TMR(TIMERUS_CNTR_1US); //TIMERUS_CNTR_1US
}
void msleep(u32 milliseconds)
void msleep(u32 ms)
{
u32 start = RTC(APBDEV_RTC_MILLI_SECONDS) | (RTC(APBDEV_RTC_SHADOW_SECONDS) << 10);
while (((RTC(APBDEV_RTC_MILLI_SECONDS) | (RTC(APBDEV_RTC_SHADOW_SECONDS) << 10)) - start) <= milliseconds)
#ifdef USE_RTC_TIMER
u32 start = RTC(APBDEV_RTC_MILLI_SECONDS) + (RTC(APBDEV_RTC_SHADOW_SECONDS) * 1000);
// Casting to u32 is important!
while (((u32)(RTC(APBDEV_RTC_MILLI_SECONDS) + (RTC(APBDEV_RTC_SHADOW_SECONDS) * 1000)) - start) <= ms)
;
#else
bpmp_msleep(ms);
#endif
}
void usleep(u32 microseconds)
void usleep(u32 us)
{
#ifdef USE_RTC_TIMER
u32 start = TMR(TIMERUS_CNTR_1US);
// Casting to u32 is important!
while ((u32)(TMR(TIMERUS_CNTR_1US) - start) <= microseconds)
;
// Check if timer is at upper limits and use BPMP sleep so it doesn't wake up immediately.
if ((start + us) < start)
bpmp_usleep(us);
else
while ((u32)(TMR(TIMERUS_CNTR_1US) - start) <= us) // Casting to u32 is important!
;
#else
bpmp_usleep(us);
#endif
}
void exec_cfg(u32 *base, const cfg_op_t *ops, u32 num_ops)
@ -72,12 +88,15 @@ void panic(u32 val)
TMR(TIMER_TMR9_TMR_PTV) = TIMER_EN | TIMER_PER_EN;
TMR(TIMER_WDT4_CONFIG) = TIMER_SRC(9) | TIMER_PER(1) | TIMER_PMCRESET_EN;
TMR(TIMER_WDT4_COMMAND) = TIMER_START_CNT;
while (1)
;
while (true)
usleep(1);
}
void reboot_normal()
{
bpmp_mmu_disable();
sd_unmount();
display_end();
@ -86,6 +105,8 @@ void reboot_normal()
void reboot_rcm()
{
bpmp_mmu_disable();
sd_unmount();
display_end();
@ -93,16 +114,19 @@ void reboot_rcm()
PMC(APBDEV_PMC_CNTRL) |= PMC_CNTRL_MAIN_RST;
while (true)
usleep(1);
bpmp_halt();
}
void power_off()
{
sd_unmount();
display_end();
// Stop the alarm, in case we injected and powered off too fast.
max77620_rtc_stop_alarm();
//TODO: we should probably make sure all regulators are powered off properly.
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_ONOFFCNFG1, MAX77620_ONOFFCNFG1_PWR_OFF);
while (true)
bpmp_halt();
}

View file

@ -32,8 +32,8 @@ typedef struct _cfg_op_t
u32 get_tmr_us();
u32 get_tmr_ms();
u32 get_tmr_s();
void usleep(u32 ticks);
void msleep(u32 milliseconds);
void usleep(u32 us);
void msleep(u32 ms);
void panic(u32 val);
void reboot_normal();
void reboot_rcm();