Commit 913f2f2d authored by Sonic Zhang's avatar Sonic Zhang Committed by Bob Liu

blackfin: bf60x: anomaly: Add a temporary anomaly 0501001

Add a temporary anomaly 0501001 for data loss in MMR reading if interrupted.
Add work around for bfin serial driver as well.
Signed-off-by: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarBob Liu <lliubbo@gmail.com>
parent 8bf7135f
...@@ -282,7 +282,19 @@ struct bfin_uart_regs { ...@@ -282,7 +282,19 @@ struct bfin_uart_regs {
#define UART_GET_GCTL(p) UART_GET_CTL(p) #define UART_GET_GCTL(p) UART_GET_CTL(p)
#define UART_GET_LCR(p) UART_GET_CTL(p) #define UART_GET_LCR(p) UART_GET_CTL(p)
#define UART_GET_MCR(p) UART_GET_CTL(p) #define UART_GET_MCR(p) UART_GET_CTL(p)
#if ANOMALY_05001001
#define UART_GET_STAT(p) \
({ \
u32 __ret; \
unsigned long flags; \
flags = hard_local_irq_save(); \
__ret = bfin_read32(port_membase(p) + OFFSET_STAT); \
hard_local_irq_restore(flags); \
__ret; \
})
#else
#define UART_GET_STAT(p) bfin_read32(port_membase(p) + OFFSET_STAT) #define UART_GET_STAT(p) bfin_read32(port_membase(p) + OFFSET_STAT)
#endif
#define UART_GET_MSR(p) UART_GET_STAT(p) #define UART_GET_MSR(p) UART_GET_STAT(p)
#define UART_PUT_CHAR(p, v) bfin_write32(port_membase(p) + OFFSET_THR, v) #define UART_PUT_CHAR(p, v) bfin_write32(port_membase(p) + OFFSET_THR, v)
......
...@@ -57,6 +57,8 @@ ...@@ -57,6 +57,8 @@
#define ANOMALY_05000481 (1) #define ANOMALY_05000481 (1)
/* IFLUSH sucks at life */ /* IFLUSH sucks at life */
#define ANOMALY_05000491 (1) #define ANOMALY_05000491 (1)
/* Tempopary anomaly ID for data loss in MMR read operation if interrupted */
#define ANOMALY_05001001 (__SILICON_REVISION__ < 1)
/* Anomalies that don't exist on this proc */ /* Anomalies that don't exist on this proc */
#define ANOMALY_05000099 (0) #define ANOMALY_05000099 (0)
......
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