Patchwork [U-Boot,v2,4/4] sf: Warn to use BAR for > 16MiB flashes

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Submitter Jagannadha Sutradharudu Teki
Date June 15, 2013, 4:57 p.m.
Message ID <977d3ff2-3fef-458b-899d-030ac36b3f9a@TX2EHSMHS039.ehs.local>
Download mbox | patch
Permalink /patch/251633/
State Superseded
Delegated to: Jagannadha Sutradharudu Teki
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Comments

Jagannadha Sutradharudu Teki - June 15, 2013, 4:57 p.m.
Warning for > 16MiB flashes to #define CONFIG_SPI_FLASH_BAR

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
---
Changes for v2:
	- none

 drivers/mtd/spi/spi_flash.c | 6 ++++++
 1 file changed, 6 insertions(+)

Patch

diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index f53d001..7e34f6e 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -563,6 +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);