[U-Boot] [PATCH 4/4] sf: Warn to use BAR for > 16MiB flashes

Jagannadha Sutradharudu Teki jagannadha.sutradharudu-teki at xilinx.com
Fri Jun 14 22:18:08 CEST 2013


Warning for > 16MiB flashes to #define CONFIG_SPI_FLASH_BAR

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
---
 drivers/mtd/spi/spi_flash.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index f3245a4..911c5e8 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -563,7 +563,12 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
 	if (flash->memory_map)
 		printf(", mapped at %p", flash->memory_map);
 	puts("\n");
-
+#ifndef CONFIG_SPI_FLASH_BAR
+	if (flash->size > SPI_FLASH_16MB_BOUN) {
+		puts("SF: Warning - Only lower 16MiB accessible,");
+		puts(" Full access #define CONFIG_SPI_FLASH_BAR\n");
+	}
+#endif
 	spi_release_bus(spi);
 
 	return flash;
-- 
1.8.3




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