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synced 2024-11-01 08:29:41 +02:00
Implement GPIO changing with SPL commands.
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parent
4f6670e5af
commit
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@ -38,6 +38,10 @@ int ingenic_loadstage(void *hndl, int id, const char *filename);
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#define INGENIC_STAGE1 1
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#define INGENIC_STAGE2 2
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#define SPL_DEBUG_MEMTEST "1"
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#define SPL_DEBUG_GPIO_SET "2"
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#define SPL_DEBUG_GPIO_CLEAR "3"
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#define STAGE1_BASE 0x2000
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#define STAGE2_CODESIZE 0x400000
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#define SDRAM_BASE 0x80000000
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37
spl_cmdset.c
37
spl_cmdset.c
@ -19,16 +19,19 @@
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "shell.h"
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#include "config.h"
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#include "ingenic.h"
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static int spl_memtest(int argc, char *argv[]);
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static int spl_gpio(int argc, char *argv[]);
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static int spl_boot(int argc, char *argv[]);
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const shell_command_t spl_cmdset[] = {
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{ "memtest", "[BASE <SIZE>] - SDRAM test", spl_memtest },
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{ "gpio", "<PIN> <STATE> - Set GPIO #PIN to STATE 0 or 1", spl_gpio },
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{ "boot", " - Load stage2 USB bootloader", spl_boot },
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{ NULL, NULL, NULL }
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};
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@ -51,6 +54,40 @@ static int spl_memtest(int argc, char *argv[]) {
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return spl_load_stage1(); // TODO
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}
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static int spl_gpio(int argc, char *argv[]) {
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if(argc != 3 || (strcmp(argv[2], "0") && strcmp(argv[2], "1"))) {
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printf("Usage: %s <PIN> <STATE>\n", argv[0]);
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printf(" STATE := 0 | 1\n");
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return -1;
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}
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char *old_debugops = strdup(cfg_getenv("DEBUGOPS")),
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*old_pinnum = strdup(cfg_getenv("PINNUM"));
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cfg_setenv("DEBUGOPS", (!strcmp(argv[2], "1")) ?
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SPL_DEBUG_GPIO_SET : SPL_DEBUG_GPIO_CLEAR);
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cfg_setenv("PINNUM", argv[1]);
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int ret = 0;
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ret = shell_execute("rebuildcfg");
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if(ret == -1)
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goto finally;
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ret = spl_load_stage1();
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finally:
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cfg_setenv("DEBUGOPS", old_debugops);
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cfg_setenv("PINNUM", old_pinnum);
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free(old_debugops);
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free(old_pinnum);
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return ret;
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}
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static int spl_boot(int argc, char *argv[]) {
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if(argc != 1) {
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printf("Usage: %s\n", argv[0]);
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