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Fix for setting frequency on fpga

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This commit is contained in:
Germain Haugou 2020-03-05 15:18:06 +01:00
parent da4157a0e2
commit 280f5755ed
5 changed files with 23 additions and 3 deletions
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2
drivers/uart.c
View file

@ -43,7 +43,7 @@ static void uart_wait_rx_done(int periph)
static void uart_setup(int channel, int baudrate)
{
int div = (PERIPH_FREQUENCY + baudrate/2) / baudrate;
int div = (pos_freq_domains[PI_FREQ_DOMAIN_PERIPH] + baudrate/2) / baudrate;
plp_uart_setup(channel - ARCHI_UDMA_UART_ID(0), 0, div-1);
}

10
include/archi/chips/pulp/properties.h
View file

@ -22,7 +22,17 @@
* FPGA
*/
#ifndef ARCHI_FPGA_FREQUENCY
#define ARCHI_FPGA_FREQUENCY 5000000
#endif
#ifndef ARCHI_FPGA_FC_FREQUENCY
#define ARCHI_FPGA_FC_FREQUENCY 5000000
#endif
#ifndef ARCHI_FPGA_CL_FREQUENCY
#define ARCHI_FPGA_CL_FREQUENCY 5000000
#endif
/*
* MEMORIES

4
include/archi/chips/pulpissimo/properties.h
View file

@ -26,6 +26,10 @@
#define ARCHI_FPGA_FREQUENCY 5000000
#endif
#ifndef ARCHI_FPGA_FC_FREQUENCY
#define ARCHI_FPGA_FC_FREQUENCY 5000000
#endif
/*
* MEMORIES

6
kernel/chips/pulp/soc.c
View file

@ -31,7 +31,11 @@ void pos_soc_init()
#else
pos_freq_domains[PI_FREQ_DOMAIN_CL] = ARCHI_FPGA_FREQUENCY;
pos_freq_domains[PI_FREQ_DOMAIN_FC] = ARCHI_FPGA_FC_FREQUENCY;
pos_freq_domains[PI_FREQ_DOMAIN_PERIPH] = ARCHI_FPGA_FREQUENCY;
pos_freq_domains[PI_FREQ_DOMAIN_CL] = ARCHI_FPGA_CL_FREQUENCY;
#endif
}

4
kernel/chips/pulpissimo/soc.c
View file

@ -28,7 +28,9 @@ void pos_soc_init()
#else
pos_freq_domains[PI_FREQ_DOMAIN_CL] = ARCHI_FPGA_FREQUENCY;
pos_freq_domains[PI_FREQ_DOMAIN_FC] = ARCHI_FPGA_FC_FREQUENCY;
pos_freq_domains[PI_FREQ_DOMAIN_PERIPH] = ARCHI_FPGA_FREQUENCY;
#endif
}