The IMX6QUAD/DUAL have SATA, but the IMX6SOLO/DL do not. Return an error indicating no such port instead of attempting a memory access that results in a data abort and reset. This dynamic detection is necessary for bootloaders that support multiple variants of the IMX6 SoC.
Signed-off-by: Tim Harvey tharvey@gateworks.com --- drivers/block/dwc_ahsata.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/block/dwc_ahsata.c b/drivers/block/dwc_ahsata.c index 3569214..638a585 100644 --- a/drivers/block/dwc_ahsata.c +++ b/drivers/block/dwc_ahsata.c @@ -17,6 +17,7 @@ #include <asm/io.h> #include <linux/bitops.h> #include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> #include "dwc_ahsata.h"
struct sata_port_regs { @@ -558,6 +559,12 @@ int init_sata(int dev) u32 linkmap; struct ahci_probe_ent *probe_ent = NULL;
+#if defined(CONFIG_MX6) + if (!is_cpu_type(MXC_CPU_MX6Q)) { + printf("No device detected!\n"); + return 1; + } +#endif if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) { printf("The sata index %d is out of ranges\n\r", dev); return -1;