i2c: cm5200: Drop use of CONFIG_I2C_HARD
[platform/kernel/u-boot.git] / common / env_sf.c
index 27b4d12..9944602 100644 (file)
@@ -45,15 +45,11 @@ char *env_name_spec = "SPI Flash";
 
 static struct spi_flash *env_flash;
 
-#if defined(CONFIG_ENV_OFFSET_REDUND)
-int saveenv(void)
+static int setup_flash_device(void)
 {
-       env_t   env_new;
-       char    *saved_buffer = NULL, flag = OBSOLETE_FLAG;
-       u32     saved_size, saved_offset, sector = 1;
-       int     ret;
 #ifdef CONFIG_DM_SPI_FLASH
        struct udevice *new;
+       int     ret;
 
        /* speed and mode will be read from DT */
        ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
@@ -76,6 +72,20 @@ int saveenv(void)
                }
        }
 #endif
+       return 0;
+}
+
+#if defined(CONFIG_ENV_OFFSET_REDUND)
+int saveenv(void)
+{
+       env_t   env_new;
+       char    *saved_buffer = NULL, flag = OBSOLETE_FLAG;
+       u32     saved_size, saved_offset, sector;
+       int     ret;
+
+       ret = setup_flash_device();
+       if (ret)
+               return ret;
 
        ret = env_export(&env_new);
        if (ret)
@@ -105,11 +115,7 @@ int saveenv(void)
                        goto done;
        }
 
-       if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) {
-               sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE;
-               if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE)
-                       sector++;
-       }
+       sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, CONFIG_ENV_SECT_SIZE);
 
        puts("Erasing SPI flash...");
        ret = spi_flash_erase(env_flash, env_new_offset,
@@ -166,12 +172,9 @@ void env_relocate_spec(void)
                goto out;
        }
 
-       env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
-                       CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
-       if (!env_flash) {
-               set_default_env("!spi_flash_probe() failed");
+       ret = setup_flash_device();
+       if (ret)
                goto out;
-       }
 
        ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET,
                                CONFIG_ENV_SIZE, tmp_env1);
@@ -238,34 +241,14 @@ out:
 #else
 int saveenv(void)
 {
-       u32     saved_size, saved_offset, sector = 1;
+       u32     saved_size, saved_offset, sector;
        char    *saved_buffer = NULL;
        int     ret = 1;
        env_t   env_new;
-#ifdef CONFIG_DM_SPI_FLASH
-       struct udevice *new;
 
-       /* speed and mode will be read from DT */
-       ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
-                                    0, 0, &new);
-       if (ret) {
-               set_default_env("!spi_flash_probe_bus_cs() failed");
-               return 1;
-       }
-
-       env_flash = dev_get_uclass_priv(new);
-#else
-
-       if (!env_flash) {
-               env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS,
-                       CONFIG_ENV_SPI_CS,
-                       CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
-               if (!env_flash) {
-                       set_default_env("!spi_flash_probe() failed");
-                       return 1;
-               }
-       }
-#endif
+       ret = setup_flash_device();
+       if (ret)
+               return ret;
 
        /* Is the sector larger than the env (i.e. embedded) */
        if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
@@ -281,16 +264,12 @@ int saveenv(void)
                        goto done;
        }
 
-       if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) {
-               sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE;
-               if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE)
-                       sector++;
-       }
-
        ret = env_export(&env_new);
        if (ret)
                goto done;
 
+       sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, CONFIG_ENV_SECT_SIZE);
+
        puts("Erasing SPI flash...");
        ret = spi_flash_erase(env_flash, CONFIG_ENV_OFFSET,
                sector * CONFIG_ENV_SECT_SIZE);
@@ -326,30 +305,31 @@ void env_relocate_spec(void)
        char *buf = NULL;
 
        buf = (char *)memalign(ARCH_DMA_MINALIGN, CONFIG_ENV_SIZE);
-       env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
-                       CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
-       if (!env_flash) {
-               set_default_env("!spi_flash_probe() failed");
-               if (buf)
-                       free(buf);
+       if (!buf) {
+               set_default_env("!malloc() failed");
                return;
        }
 
+       ret = setup_flash_device();
+       if (ret)
+               goto out;
+
        ret = spi_flash_read(env_flash,
                CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, buf);
        if (ret) {
                set_default_env("!spi_flash_read() failed");
-               goto out;
+               goto err_read;
        }
 
        ret = env_import(buf, 1);
        if (ret)
                gd->env_valid = 1;
-out:
+
+err_read:
        spi_flash_free(env_flash);
-       if (buf)
-               free(buf);
        env_flash = NULL;
+out:
+       free(buf);
 }
 #endif