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Improve PicoSoC example firmware

This commit is contained in:
Clifford Wolf 2017-09-21 16:00:19 +02:00
parent c06ba38113
commit 559cd8db78
1 changed files with 105 additions and 34 deletions
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115
picosoc/firmware.c
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@ -28,7 +28,7 @@ void flashio(uint8_t *data, int len, uint8_t wrencmd)
((void(*)(uint8_t*, uint32_t, uint32_t))func)(data, len, wrencmd);
}
void set_quad_spi_flag()
void set_flash_qspi_flag()
{
uint32_t addr = 0x800002;
uint8_t buffer_rd[6] = {0x65, addr >> 16, addr >> 8, addr, 0, 0};
@ -38,6 +38,15 @@ void set_quad_spi_flag()
flashio(buffer_wr, 5, 0x06);
}
void set_flash_latency(uint8_t value)
{
reg_spictrl = (reg_spictrl & ~0x007f0000) | ((value & 15) << 16);
uint32_t addr = 0x800004;
uint8_t buffer_wr[5] = {0x71, addr >> 16, addr >> 8, addr, 0x70 | value};
flashio(buffer_wr, 5, 0x06);
}
// --------------------------------------------------------
void putchar(char c)
@ -141,6 +150,8 @@ void cmd_read_flash_id()
uint8_t cmd_read_flash_regs_print(uint32_t addr, const char *name)
{
set_flash_latency(8);
uint8_t buffer[6] = {0x65, addr >> 16, addr >> 8, addr, 0, 0};
flashio(buffer, 6, 0);
@ -233,29 +244,89 @@ void cmd_benchmark_all()
print_hex(cmd_benchmark(false), 8);
putchar('\n');
print("qspi-8 ");
for (int i = 8; i > 0; i--)
{
print("dspi-");
print_dec(i);
print(" ");
set_flash_latency(i);
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00400000;
print(": ");
print_hex(cmd_benchmark(false), 8);
putchar('\n');
}
for (int i = 8; i > 0; i--)
{
print("dspi-crm-");
print_dec(i);
print(" ");
set_flash_latency(i);
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00500000;
print(": ");
print_hex(cmd_benchmark(false), 8);
putchar('\n');
}
for (int i = 8; i > 0; i--)
{
print("qspi-");
print_dec(i);
print(" ");
set_flash_latency(i);
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00200000;
print(": ");
print_hex(cmd_benchmark(false), 8);
putchar('\n');
}
print("qspi-xip-8 ");
for (int i = 8; i > 0; i--)
{
print("qspi-crm-");
print_dec(i);
print(" ");
set_flash_latency(i);
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00300000;
print(": ");
print_hex(cmd_benchmark(false), 8);
putchar('\n');
}
print("qspi-ddr-8 ");
for (int i = 8; i > 0; i--)
{
print("qspi-ddr-");
print_dec(i);
print(" ");
set_flash_latency(i);
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00600000;
print(": ");
print_hex(cmd_benchmark(false), 8);
putchar('\n');
print("qspi-ddr-xip-8 ");
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00700000;
print(": ");
print_hex(cmd_benchmark(false), 8);
putchar('\n');
}
for (int i = 8; i > 0; i--)
{
print("qspi-ddr-crm-");
print_dec(i);
print(" ");
set_flash_latency(i);
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00700000;
print(": ");
print_hex(cmd_benchmark(false), 8);
putchar('\n');
}
}
// --------------------------------------------------------
@ -263,7 +334,7 @@ void cmd_benchmark_all()
void main()
{
reg_uart_clkdiv = 104;
set_quad_spi_flag();
set_flash_qspi_flag();
while (getchar_prompt("Press ENTER to continue..\n") != '\r') { /* wait */ }
@ -296,7 +367,7 @@ void main()
else
print("OFF\n");
print(" XIP ");
print(" CRM ");
if ((reg_spictrl & (1 << 20)) != 0)
print("ON\n");
else
@ -307,11 +378,11 @@ void main()
print("\n");
print(" [1] Read SPI Flash ID\n");
print(" [2] Read SPI Config Regs\n");
print(" [3] Switch to QSPI DDR XIP mode\n");
print(" [4] Switch to QSPI DDR mode\n");
print(" [5] Switch to QSPI XIP mode\n");
print(" [6] Switch to QSPI mode\n");
print(" [7] Switch to default mode\n");
print(" [3] Switch to default mode\n");
print(" [4] Switch to Dual I/O mode\n");
print(" [5] Switch to Quad I/O mode\n");
print(" [6] Switch to Quad DDR mode\n");
print(" [7] Toggle continuous read mode\n");
print(" [9] Run simplistic benchmark\n");
print(" [0] Benchmark all configs\n");
print("\n");
@ -333,19 +404,19 @@ void main()
cmd_read_flash_regs();
break;
case '3':
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00700000;
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00000000;
break;
case '4':
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00600000;
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00400000;
break;
case '5':
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00300000;
break;
case '6':
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00200000;
break;
case '6':
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00600000;
break;
case '7':
reg_spictrl = (reg_spictrl & ~0x00700000) | 0x00000000;
reg_spictrl = reg_spictrl ^ 0x00100000;
break;
case '9':
cmd_benchmark(true);