serial: sh-sci: fix handling of SCIFB sh-mobile ports

SCIFB ports have a slightly different register layout and a different FIFO
size from SCIFA ports, in DMA mode they have to be treated just like SCIFA.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 23 insertions, 6 deletions

diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index f70c49f915fa..9b52f77a9305 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -322,7 +322,7 @@
 #define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
   static inline unsigned int sci_##name##_in(struct uart_port *port)    \
   {                                                                     \
-    if (port->type == PORT_SCIF) {                                      \
+    if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {          \
       SCI_IN(scif_size, scif_offset)                                    \
     } else {    /* PORT_SCI or PORT_SCIFA */                            \
       SCI_IN(sci_size, sci_offset);                                     \
@@ -330,7 +330,7 @@
   }                                                                     \
   static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
   {                                                                     \
-    if (port->type == PORT_SCIF) {                                      \
+    if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {          \
       SCI_OUT(scif_size, scif_offset, value)                            \
     } else {    /* PORT_SCI or PORT_SCIFA */                            \
       SCI_OUT(sci_size, sci_offset, value);                             \
@@ -384,8 +384,12 @@
       defined(CONFIG_CPU_SUBTYPE_SH7720) || \
       defined(CONFIG_CPU_SUBTYPE_SH7721) || \
       defined(CONFIG_ARCH_SH7367) || \
-      defined(CONFIG_ARCH_SH7377) || \
-      defined(CONFIG_ARCH_SH7372)
+      defined(CONFIG_ARCH_SH7377)
+#define SCIF_FNS(name, scif_offset, scif_size) \
+  CPU_SCIF_FNS(name, scif_offset, scif_size)
+#elif defined(CONFIG_ARCH_SH7372)
+#define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size) \
+  CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size)
 #define SCIF_FNS(name, scif_offset, scif_size) \
   CPU_SCIF_FNS(name, scif_offset, scif_size)
 #else
@@ -422,8 +426,7 @@
     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
     defined(CONFIG_CPU_SUBTYPE_SH7721) || \
     defined(CONFIG_ARCH_SH7367) || \
-    defined(CONFIG_ARCH_SH7377) || \
-    defined(CONFIG_ARCH_SH7372)
+    defined(CONFIG_ARCH_SH7377)
 
 SCIF_FNS(SCSMR,  0x00, 16)
 SCIF_FNS(SCBRR,  0x04,  8)
@@ -436,6 +439,20 @@ SCIF_FNS(SCFDR,  0x1c, 16)
 SCIF_FNS(SCxTDR, 0x20,  8)
 SCIF_FNS(SCxRDR, 0x24,  8)
 SCIF_FNS(SCLSR,  0x00,  0)
+#elif defined(CONFIG_ARCH_SH7372)
+SCIF_FNS(SCSMR,  0x00, 16)
+SCIF_FNS(SCBRR,  0x04,  8)
+SCIF_FNS(SCSCR,  0x08, 16)
+SCIF_FNS(SCTDSR, 0x0c, 16)
+SCIF_FNS(SCFER,  0x10, 16)
+SCIF_FNS(SCxSR,  0x14, 16)
+SCIF_FNS(SCFCR,  0x18, 16)
+SCIF_FNS(SCFDR,  0x1c, 16)
+SCIF_FNS(SCTFDR, 0x38, 16)
+SCIF_FNS(SCRFDR, 0x3c, 16)
+SCIx_FNS(SCxTDR, 0x20,  8, 0x40,  8)
+SCIx_FNS(SCxRDR, 0x24,  8, 0x60,  8)
+SCIF_FNS(SCLSR,  0x00,  0)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
       defined(CONFIG_CPU_SUBTYPE_SH7724)
 SCIx_FNS(SCSMR,  0x00, 16, 0x00, 16)