git init of an empty project

This commit is contained in:
2025-06-27 15:12:44 +03:00
commit c73ead2643
76 changed files with 45689 additions and 0 deletions

183
src/l502_init.c Normal file
View File

@ -0,0 +1,183 @@
#include <cdefBF523.h>
#include <ccblkfn.h>
#include <bfrom.h>
#include <sys/exception.h>
#include <stdlib.h>
#include <stdint.h>
#include "l502_cdefs.h"
#include "l502_fpga.h"
#include "l502_hdma.h"
ISR(isr_sport_dma_rx);
ISR(isr_sport_dma_tx);
void l502_stream_init(void);
/* fVCO = 530 MHZ = (20/2)*53, CDIV=1, SDIV = 4 => SCLK = 132.5 MHz */
#define L502_PLL_CTL (SET_MSEL(53) | DF)
#define L502_PLL_DIV (SET_SSEL(4) | CSEL_DIV1)
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SDRAM
* RDIV=((117964,8*64ms)/8192)-(6+3)=912 // <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> 8192, <20> 4096, <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1834
*/
#define L502_SDRAM_SDRRC (((132500000 / 1000) * 64) / 8192 - (6 + 3))
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - 32 <20><>, 9 <20><><EFBFBD> - <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#define L502_SDRAM_SDBCTL (EBE | EBSZ_32 | EBCAW_9)
/* CAS latency=3, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> 2 - <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!!!!)
* PASR_ALL - <20><><EFBFBD><EFBFBD> <20><><EFBFBD> SDRAM <20> 2.5 <20> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
* tRAS(min)=45 <20><> (<28><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 120 <20><><EFBFBD> - 6 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* tRP(min)=20 <20><> (<28><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 120 <20><><EFBFBD> - 3 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* tRCD(min)=20 <20><> (<28><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 120 <20><><EFBFBD> - 3 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* tWR - <20><>, <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 2
* POWER startup delay - <20><> <20><><EFBFBD><EFBFBD><EFBFBD>
* PSS - power SDRAM - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
* SRFS - <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SDRAM <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <20><> <20><><EFBFBD><EFBFBD><EFBFBD>
* EBUFE=0 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD> SDRAM
* FBBRW=0 - <20><><EFBFBD> <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
* EMREN=0 - <20><><EFBFBD><EFBFBD> <20><><EFBFBD> SDRAM <20> 2.5 <20> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* TCSR=0 - <20><><EFBFBD><EFBFBD> <20><><EFBFBD> SDRAM <20> 2.5 <20> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* CDDBG=0 - <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> signals <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
#define L502_SDRAM_SDGCTL (SCTLE | CL_2 | PASR_ALL | TRAS_6 | TRP_3 | TRCD_3 | TWR_2 | PSS)
uint32_t l502_otp_make_invalid(uint32_t page) {
uint32_t err = bfrom_OtpCommand(OTP_INIT, (0x0A548800 | 133));
if(!err) {
uint64_t val = (uint64_t)3 << OTP_INVALID_P;
err = bfrom_OtpWrite(page, OTP_LOWER_HALF | OTP_NO_ECC, &val);
}
return err;
}
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> BlackFin'a */
void l502_setup_pll(void) {
ADI_SYSCTRL_VALUES sysctl;
sysctl.uwPllCtl = L502_PLL_CTL;
bfrom_SysControl(SYSCTRL_WRITE | SYSCTRL_PLLCTL, &sysctl, 0);
}
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PLL <20> SDRAM <20> <20><><EFBFBD><EFBFBD> OTP, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
uint32_t l502_otp_write_cfg(uint32_t first_page) {
uint32_t err = bfrom_OtpCommand(OTP_INIT, (0x0A548800 | 133));
uint64_t val = 0;
if (!err) {
val = ((uint64_t)L502_PLL_DIV << OTP_PLL_DIV_P) | ((uint64_t)L502_PLL_CTL << OTP_PLL_CTL_P)
| ((uint64_t)OTP_SET_PLL_M<< 32)| ((uint64_t)OTP_LOAD_PBS02L_M<<32);
err = bfrom_OtpWrite(first_page, OTP_LOWER_HALF | OTP_CHECK_FOR_PREV_WRITE, &val);
if (!err) {
val = ((uint64_t)L502_SDRAM_SDRRC << OTP_EBIU_SDRCC_P) | ((uint64_t)L502_SDRAM_SDBCTL << OTP_EBIU_SDBCTL_P)
| ((uint64_t)L502_SDRAM_SDGCTL << OTP_EBIU_SDGCTL_P);
err = bfrom_OtpWrite(PBS02-PBS00+first_page, OTP_LOWER_HALF
| OTP_CHECK_FOR_PREV_WRITE, &val);
}
/* <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> */
if (err)
l502_otp_make_invalid(first_page);
}
return err;
}
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PLL <20> SDRAM <20> OTP. <20><><EFBFBD><EFBFBD> <20><><EFBFBD>,
<20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20> OTP <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PLL <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
void l502_otp_init(void) {
uint32_t err=0, page, fnd=0, pll_setup=0;
//err = l502_otp_make_invalid(PBS00);
/* <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
for (page = PBS00; !(fnd && !err) && (page < 0xD8); page += 4) {
uint64_t val;
err = bfrom_OtpRead(page, OTP_LOWER_HALF, &val);
if (!err && !((val>>OTP_INVALID_P)&0x3)) {
fnd = 1;
if (!val) {
/* <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> => PLL <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
if (!pll_setup) {
l502_setup_pll();
pll_setup = 1;
}
err = l502_otp_write_cfg(page);
page+=4;
if (!err && (page< 0xD8)) {
/* <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> - <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
<20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
err = l502_otp_write_cfg(page);
}
}
}
}
/* <20><><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PLL,
<20><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
if (!fnd && !pll_setup) {
l502_setup_pll();
}
}
void l502_init(void) {
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> OTP-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> PLL, <20><><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD>
* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD> <20> OTP <20><><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><>
* SDRAM <20> PLL <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> BlackFin */
l502_otp_init();
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SPI */
fpga_spi_init();
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SPORT0 */
*pSPORT0_TCLKDIV = 0;
*pSPORT0_RCLKDIV = 0;
/* clk - internal, fs - external, req, active high, early */
*pSPORT0_TCR1 = ITCLK | TFSR; //TCKFE-???
*pSPORT0_RCR1 = IRCLK | RFSR | RCKFE;
/* len = 16 bit, secondary enable */
*pSPORT0_TCR2 = SLEN(15) | TXSE;
*pSPORT0_RCR2 = SLEN(15) | RXSE;
*pPORTF_MUX = (*pPORTF_MUX & 0xFFFC) | 1;
*pPORTF_FER |= PF0 | PF1 | PF2 | PF3 | PF4 | PF5 | PF6 | PF7;
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SPORT RX <20><> IVG7 */
*pSIC_IAR2 = (*pSIC_IAR2 & 0xFFFFFFF0UL) | P16_IVG(7);
REGISTER_ISR(7, isr_sport_dma_rx);
/* SPORT TX <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> IVG9 */
REGISTER_ISR(9, isr_sport_dma_tx);
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> HostDMA-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
hdma_init();
/* <20><><EFBFBD><EFBFBD> SDRAM <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> */
if (*pEBIU_SDSTAT & SDRS) {
uint32_t* a=0;
*pEBIU_SDRRC = L502_SDRAM_SDRRC;
*pEBIU_SDBCTL = L502_SDRAM_SDBCTL;
*pEBIU_SDGCTL = L502_SDRAM_SDGCTL;
ssync();
*a = 0; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
while (*pEBIU_SDSTAT & SDRS) {}
}
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
l502_stream_init();
}