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/**************************************************************************//**
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-9-27 Wayne First version
*
******************************************************************************/
#include <rtconfig.h>
#if defined(BSP_USING_RTP) && defined(RT_USING_DFS)
#define LOG_TAG "drv.rtp"
#define DBG_SECTION_NAME LOG_TAG
#define DBG_LEVEL LOG_LVL_INFO
#define DBG_COLOR
#include <rtdbg.h>
#include <rtdevice.h>
#include "drv_sys.h"
#include <dfs_file.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include "drv_sspcc.h"
/* Link to rtthread.bin in ma35-rtp folder. */
#define PATH_RTP_INCBIN "..//ma35-rtp//rtthread.bin"
#define READ_BLOCK_SIZE 128
#if !defined(PATH_RTP_FW_FILE)
#define PATH_RTP_FW_FILE "/mnt/sd1p0/rtp.bin"
#endif
#if defined(RTP_USING_AT_STARTUP)
#define STR2(x) #x
#define STR(x) STR2(x)
#define INCBIN(name, file) \
__asm__(".section .rodata\n" \
".global incbin_" STR(name) "_start\n" \
".balign 16\n" \
"incbin_" STR(name) "_start:\n" \
".incbin \"" file "\"\n" \
\
".global incbin_" STR(name) "_end\n" \
".balign 1\n" \
"incbin_" STR(name) "_end:\n" \
".byte 0\n" \
); \
extern const __attribute__((aligned(16))) void* incbin_ ## name ## _start; \
extern const void* incbin_ ## name ## _end; \
INCBIN(rtp, PATH_RTP_INCBIN);
static int nu_rtp_load_from_memory(void *pvBuf, int len)
{
int remaining;
if (!pvBuf || !len)
goto exit_nu_rtp_load_from_memory;
/* Limit memory usage to 4MB. */
if (len > REGION_MAXSIZE_LIMIT)
goto exit_nu_rtp_load_from_memory;
remaining = len;
/* Copy to SRAM0 */
if (remaining > REGION_MAXSIZE_SRAM0)
{
rt_memcpy((void *)REGION_ADDR_SRAM0, pvBuf, REGION_MAXSIZE_SRAM0);
remaining -= REGION_MAXSIZE_SRAM0;
}
else
{
rt_memcpy((void *)REGION_ADDR_SRAM0, pvBuf, remaining);
remaining -= remaining;
}
/* Copy to non-cacheable DDR memory if the size over 128KB. */
if (remaining > 0)
{
rt_memcpy((void *)REGION_ADDR_DDR, (pvBuf + REGION_MAXSIZE_SRAM0), remaining);
remaining -= remaining;
}
return 0;
exit_nu_rtp_load_from_memory:
return -1;
}
#endif
rt_weak void nu_rtp_sspcc_setup(void)
{
SSPCC_SET_REALM(SSPCC_UART16, SSPCC_SSET_SUBM);
SSPCC_SET_GPIO_REALM(PK, 0, SSPCC_SSET_SUBM);
SSPCC_SET_GPIO_REALM(PK, 1, SSPCC_SSET_SUBM);
SSPCC_SET_GPIO_REALM(PK, 2, SSPCC_SSET_SUBM);
SSPCC_SET_GPIO_REALM(PK, 3, SSPCC_SSET_SUBM);
}
static void nu_rtp_init(void)
{
/* Enable WDT1/WDT2 reset */
SYS->MISCRFCR |= SYS_MISCRFCR_WDT1RSTAEN_Msk | SYS_MISCRFCR_WDT2RSTAEN_Msk | SYS_MISCRFCR_WDT1RSTMEN_Msk;
/* Enable M4 I/D cache */
SYS->MISCFCR0 |= (SYS_MISCFCR0_RTPICACHEN_Msk | SYS_MISCFCR0_RTPDCACHEN_Msk | SYS_MISCFCR0_RTPDRMAEN_Msk);
nu_rtp_sspcc_setup();
}
void nu_rtp_start(void)
{
/* Enable RTP clock */
CLK_EnableModuleClock(RTP_MODULE);
/* Disable M4 Core reset*/
SYS->IPRST0 &= ~SYS_IPRST0_CM4RST_Msk;
}
MSH_CMD_EXPORT(nu_rtp_start, start rtp);
void nu_rtp_stop(void)
{
/* Enable M4 Core reset*/
SYS->IPRST0 |= SYS_IPRST0_CM4RST_Msk;
/* Disable RTP clock */
CLK_DisableModuleClock(RTP_MODULE);
}
MSH_CMD_EXPORT(nu_rtp_stop, stop rtp);
#if defined(RT_USING_DFS)
static int nu_rtp_load_from_file(char *szAbsFilePath)
{
int fd, ret = -1;
char *buff_ptr = RT_NULL;
rt_size_t offset = 0;
fd = open(szAbsFilePath, O_RDONLY);
if (fd < 0)
{
LOG_E("Could not open %s for rtp loading.", szAbsFilePath);
goto exit_nu_rtp_load_from_file;
}
while (1)
{
int length;
if (offset < REGION_MAXSIZE_SRAM0)
{
buff_ptr = (char *)(REGION_ADDR_SRAM0 + offset);
}
else
{
buff_ptr = (char *)(REGION_ADDR_DDR + offset - REGION_MAXSIZE_SRAM0);
}
/* Limit memory usage to 4MB. */
if ((offset + READ_BLOCK_SIZE) >= REGION_MAXSIZE_SRAM0)
goto exit_nu_rtp_load_from_file;
length = read(fd, buff_ptr, READ_BLOCK_SIZE);
if (length <= 0) break;
offset += length;
//rt_kprintf("readed (%d/%d) to %08x\n", length, offset, buff_ptr);
}
ret = 0;
exit_nu_rtp_load_from_file:
if (fd >= 0)
close(fd);
return ret;
}
int nu_rtp_load_run(int argc, char *argv[])
{
char *szFilePath = RT_NULL;
if (argc == 1)
{
szFilePath = PATH_RTP_FW_FILE;
}
else if (argc == 2)
{
szFilePath = argv[1];
}
nu_rtp_stop();
nu_rtp_init();
if (!szFilePath || nu_rtp_load_from_file(szFilePath) < 0)
return -1;
LOG_I("Loaded %s, then run...", szFilePath);
nu_rtp_start();
return 0;
}
MSH_CMD_EXPORT(nu_rtp_load_run, load rtp code then run);
#endif
int rt_hw_rtp_init(void)
{
#if defined(RTP_USING_AT_STARTUP)
int fw_size = (int)((char *)&incbin_rtp_end - (char *)&incbin_rtp_start);
LOG_I("INCBIN RTP Start = %p", &incbin_rtp_start);
LOG_I("INCBIN RTP Size = %p", fw_size);
#endif
/* Enable RTP and reset M4 reset */
nu_rtp_init();
#if defined(RTP_USING_AT_STARTUP)
nu_rtp_stop();
nu_rtp_load_from_memory(&incbin_rtp_start, fw_size);
#endif
nu_rtp_start();
return 0;
}
INIT_BOARD_EXPORT(rt_hw_rtp_init);
#endif //#if defined(BSP_USING_RTP)
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