Firmware/MNRS-BM-BSP
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modifies initcode and libwrap for new mnrs/ehrenberg vp

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This commit is contained in:
Eyck-Alexander Jentzsch
2024-02-22 17:10:49 +01:00
parent 98760929c6
commit 96fa7db587
5 changed files with 16 additions and 23 deletions
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7
env/ehrenberg/init.c vendored
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@ -90,10 +90,9 @@ void __attribute__((weak)) handle_m_ext_interrupt(){
}
void __attribute__((weak)) handle_m_time_interrupt(){
uint64_t time = ((uint64_t)mtimer->mtimeh)<<32 || mtimer->mtime;
time+=MTIMER_NEXT_TICK_INC;
mtimer->mtimecmph = time>>32;
mtimer->mtimecmp = time;
uint64_t time = get_aclint_mtime(aclint);
time+=MTIMER_NEXT_TICK_INC;
set_aclint_mtime(aclint, time);
}
void __attribute__((weak)) default_handler(void) {

23
env/ehrenberg/platform.h vendored
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@ -10,26 +10,22 @@
#define APB_BUS
#include "ehrenberg/devices/gpio.h"
#include "ehrenberg/devices/interrupt.h"
#include "ehrenberg/devices/timer.h"
#include "ehrenberg/devices/uart.h"
#include "ehrenberg/devices/timer.h"
#include "ehrenberg/devices/aclint.h"
#include "ehrenberg/devices/interrupt.h"
#include "ehrenberg/devices/qspi.h"
#define PERIPH(TYPE, ADDR) ((volatile TYPE*) (ADDR))
#define APB_BASE 0xF0000000
#define TIMER_BASE (APB_BASE+0x20000)
#define gpio_a PERIPH(gpio_t, APB_BASE+0x0000)
//#define gpio_b PERIPH(gpio_t, APB_BASE+0x10000)
#define uart PERIPH(uart_t, APB_BASE+0x1000)
#define prescaler PERIPH(uart_t, TIMER_BASE+0x0)
#define timer_a PERIPH(uart_t, TIMER_BASE+0x4)
#define timer_b PERIPH(uart_t, TIMER_BASE+0x10)
#define mtimer PERIPH(mtimer_t, APB_BASE+0x30000)
#define irq PERIPH(irq_t, APB_BASE+0x40000)
#define qspi PERIPH(qspi_t, APB_BASE+0x50000)
//volatile qspi_t* const qspi = (qspi_t*)(APB_BASE+0x50000);
#define gpio PERIPH(gpio_t, APB_BASE+0x0000)
#define uart PERIPH(uart_t, APB_BASE+0x1000)
#define timer PERIPH(timer_t, APB_BASE+0x20000)
#define aclint PERIPH(aclint_t, APB_BASE+0x30000)
#define irq PERIPH(irq_t, APB_BASE+0x40000)
#define qspi PERIPH(qspi_t, APB_BASE+0x50000)
#define XIP_START_LOC 0xE0040000
@ -40,6 +36,5 @@
void init_pll(void);
unsigned long get_cpu_freq(void);
unsigned long get_timer_freq(void);
uint64_t get_timer_value(void);
#endif /* _ISS_PLATFORM_H */