*/
#include <common.h>
+#include <errno.h>
#include <i2c.h>
+#include <malloc.h>
+#include <asm/bitops.h>
#include "gsc.h"
#include "ventana_eeprom.h"
/* read eeprom config section */
if (gsc_i2c_read(GSC_EEPROM_ADDR, 0x00, 1, buf, sizeof(*info))) {
puts("EEPROM: Failed to read EEPROM\n");
- info->model[0] = 0;
return GW_UNKNOWN;
}
/* sanity checks */
if (info->model[0] != 'G' || info->model[1] != 'W') {
puts("EEPROM: Invalid Model in EEPROM\n");
- info->model[0] = 0;
return GW_UNKNOWN;
}
if ((info->chksum[0] != chksum>>8) ||
(info->chksum[1] != (chksum&0xff))) {
puts("EEPROM: Failed EEPROM checksum\n");
- info->model[0] = 0;
return GW_UNKNOWN;
}
}
return type;
}
+
+/* list of config bits that the bootloader will remove from dtb if not set */
+struct ventana_eeprom_config econfig[] = {
+ { "eth0", "ethernet0", EECONFIG_ETH0 },
+ { "eth1", "ethernet1", EECONFIG_ETH1 },
+ { "sata", "ahci0", EECONFIG_SATA },
+ { "pcie", NULL, EECONFIG_PCIE},
+ { "lvds0", NULL, EECONFIG_LVDS0 },
+ { "lvds1", NULL, EECONFIG_LVDS1 },
+ { "usb0", NULL, EECONFIG_USB0 },
+ { "usb1", NULL, EECONFIG_USB1 },
+ { "mmc0", NULL, EECONFIG_SD0 },
+ { "mmc1", NULL, EECONFIG_SD1 },
+ { "mmc2", NULL, EECONFIG_SD2 },
+ { "mmc3", NULL, EECONFIG_SD3 },
+ { "uart0", NULL, EECONFIG_UART0 },
+ { "uart1", NULL, EECONFIG_UART1 },
+ { "uart2", NULL, EECONFIG_UART2 },
+ { "uart3", NULL, EECONFIG_UART3 },
+ { "uart4", NULL, EECONFIG_UART4 },
+ { "ipu0", NULL, EECONFIG_IPU0 },
+ { "ipu1", NULL, EECONFIG_IPU1 },
+ { "can0", NULL, EECONFIG_FLEXCAN },
+ { "i2c0", NULL, EECONFIG_I2C0 },
+ { "i2c1", NULL, EECONFIG_I2C1 },
+ { "i2c2", NULL, EECONFIG_I2C2 },
+ { "vpu", NULL, EECONFIG_VPU },
+ { "csi0", NULL, EECONFIG_CSI0 },
+ { "csi1", NULL, EECONFIG_CSI1 },
+ { "spi0", NULL, EECONFIG_ESPCI0 },
+ { "spi1", NULL, EECONFIG_ESPCI1 },
+ { "spi2", NULL, EECONFIG_ESPCI2 },
+ { "spi3", NULL, EECONFIG_ESPCI3 },
+ { "spi4", NULL, EECONFIG_ESPCI4 },
+ { "spi5", NULL, EECONFIG_ESPCI5 },
+ { "gps", "pps", EECONFIG_GPS },
+ { "hdmi_in", NULL, EECONFIG_HDMI_IN },
+ { "hdmi_out", NULL, EECONFIG_HDMI_OUT },
+ { "cvbs_in", NULL, EECONFIG_VID_IN },
+ { "cvbs_out", NULL, EECONFIG_VID_OUT },
+ { "nand", NULL, EECONFIG_NAND },
+ { /* Sentinel */ }
+};
+
+#ifdef CONFIG_CMD_EECONFIG
+static struct ventana_eeprom_config *get_config(const char *name)
+{
+ struct ventana_eeprom_config *cfg = econfig;
+
+ while (cfg->name) {
+ if (0 == strcmp(name, cfg->name))
+ return cfg;
+ cfg++;
+ }
+ return NULL;
+}
+
+static u8 econfig_bytes[sizeof(ventana_info.config)];
+static int econfig_init = -1;
+
+int do_econfig(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ struct ventana_eeprom_config *cfg;
+ struct ventana_board_info *info = &ventana_info;
+ int i;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ /* initialize */
+ if (econfig_init != 1) {
+ memcpy(econfig_bytes, info->config, sizeof(econfig_bytes));
+ econfig_init = 1;
+ }
+
+ /* list configs */
+ if ((strncmp(argv[1], "list", 4) == 0)) {
+ cfg = econfig;
+ while (cfg->name) {
+ printf("%s: %d\n", cfg->name,
+ test_bit(cfg->bit, econfig_bytes) ? 1 : 0);
+ cfg++;
+ }
+ }
+
+ /* save */
+ else if ((strncmp(argv[1], "save", 4) == 0)) {
+ unsigned char *buf = (unsigned char *)info;
+ int chksum;
+
+ /* calculate new checksum */
+ memcpy(info->config, econfig_bytes, sizeof(econfig_bytes));
+ for (chksum = 0, i = 0; i < sizeof(*info)-2; i++)
+ chksum += buf[i];
+ debug("old chksum:0x%04x\n",
+ (info->chksum[0] << 8) | info->chksum[1]);
+ debug("new chksum:0x%04x\n", chksum);
+ info->chksum[0] = chksum >> 8;
+ info->chksum[1] = chksum & 0xff;
+
+ /* write new config data */
+ if (gsc_i2c_write(GSC_EEPROM_ADDR, info->config - (u8 *)info,
+ 1, econfig_bytes, sizeof(econfig_bytes))) {
+ printf("EEPROM: Failed updating config\n");
+ return CMD_RET_FAILURE;
+ }
+
+ /* write new config data */
+ if (gsc_i2c_write(GSC_EEPROM_ADDR, info->chksum - (u8 *)info,
+ 1, info->chksum, 2)) {
+ printf("EEPROM: Failed updating checksum\n");
+ return CMD_RET_FAILURE;
+ }
+
+ printf("Config saved to EEPROM\n");
+ }
+
+ /* get config */
+ else if (argc == 2) {
+ cfg = get_config(argv[1]);
+ if (cfg) {
+ printf("%s: %d\n", cfg->name,
+ test_bit(cfg->bit, econfig_bytes) ? 1 : 0);
+ } else {
+ printf("invalid config: %s\n", argv[1]);
+ return CMD_RET_FAILURE;
+ }
+ }
+
+ /* set config */
+ else if (argc == 3) {
+ cfg = get_config(argv[1]);
+ if (cfg) {
+ if (simple_strtol(argv[2], NULL, 10)) {
+ test_and_set_bit(cfg->bit, econfig_bytes);
+ printf("Enabled %s\n", cfg->name);
+ } else {
+ test_and_clear_bit(cfg->bit, econfig_bytes);
+ printf("Disabled %s\n", cfg->name);
+ }
+ } else {
+ printf("invalid config: %s\n", argv[1]);
+ return CMD_RET_FAILURE;
+ }
+ }
+
+ else
+ return CMD_RET_USAGE;
+
+ return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(
+ econfig, 3, 0, do_econfig,
+ "EEPROM configuration",
+ "list - list config\n"
+ "save - save config to EEPROM\n"
+ "<name> - get config 'name'\n"
+ "<name> [0|1] - set config 'name' to value\n"
+);
+
+#endif /* CONFIG_CMD_EECONFIG */
projects / karo-tx-uboot.git / blobdiff