--- zzzz-none-000/linux-3.10.107/include/linux/serial_sci.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/serial_sci.h	2021-02-04 17:41:59.000000000 +0000
@@ -1,81 +1,26 @@
 #ifndef __LINUX_SERIAL_SCI_H
 #define __LINUX_SERIAL_SCI_H
 
+#include <linux/bitops.h>
 #include <linux/serial_core.h>
 #include <linux/sh_dma.h>
 
 /*
- * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
+ * Generic header for SuperH (H)SCI(F) (used by sh/sh64 and related parts)
  */
 
 #define SCIx_NOT_SUPPORTED	(-1)
 
-enum {
-	SCBRR_ALGO_1,		/* ((clk + 16 * bps) / (16 * bps) - 1) */
-	SCBRR_ALGO_2,		/* ((clk + 16 * bps) / (32 * bps) - 1) */
-	SCBRR_ALGO_3,		/* (((clk * 2) + 16 * bps) / (16 * bps) - 1) */
-	SCBRR_ALGO_4,		/* (((clk * 2) + 16 * bps) / (32 * bps) - 1) */
-	SCBRR_ALGO_5,		/* (((clk * 1000 / 32) / bps) - 1) */
-};
+/* Serial Control Register (@ = not supported by all parts) */
+#define SCSCR_TIE	BIT(7)	/* Transmit Interrupt Enable */
+#define SCSCR_RIE	BIT(6)	/* Receive Interrupt Enable */
+#define SCSCR_TE	BIT(5)	/* Transmit Enable */
+#define SCSCR_RE	BIT(4)	/* Receive Enable */
+#define SCSCR_REIE	BIT(3)	/* Receive Error Interrupt Enable @ */
+#define SCSCR_TOIE	BIT(2)	/* Timeout Interrupt Enable @ */
+#define SCSCR_CKE1	BIT(1)	/* Clock Enable 1 */
+#define SCSCR_CKE0	BIT(0)	/* Clock Enable 0 */
 
-#define SCSCR_TIE	(1 << 7)
-#define SCSCR_RIE	(1 << 6)
-#define SCSCR_TE	(1 << 5)
-#define SCSCR_RE	(1 << 4)
-#define SCSCR_REIE	(1 << 3)	/* not supported by all parts */
-#define SCSCR_TOIE	(1 << 2)	/* not supported by all parts */
-#define SCSCR_CKE1	(1 << 1)
-#define SCSCR_CKE0	(1 << 0)
-
-/* SCxSR SCI */
-#define SCI_TDRE  0x80
-#define SCI_RDRF  0x40
-#define SCI_ORER  0x20
-#define SCI_FER   0x10
-#define SCI_PER   0x08
-#define SCI_TEND  0x04
-
-#define SCI_DEFAULT_ERROR_MASK (SCI_PER | SCI_FER)
-
-/* SCxSR SCIF */
-#define SCIF_ER    0x0080
-#define SCIF_TEND  0x0040
-#define SCIF_TDFE  0x0020
-#define SCIF_BRK   0x0010
-#define SCIF_FER   0x0008
-#define SCIF_PER   0x0004
-#define SCIF_RDF   0x0002
-#define SCIF_DR    0x0001
-
-#define SCIF_DEFAULT_ERROR_MASK (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
-
-/* SCSPTR, optional */
-#define SCSPTR_RTSIO	(1 << 7)
-#define SCSPTR_CTSIO	(1 << 5)
-#define SCSPTR_SPB2IO	(1 << 1)
-#define SCSPTR_SPB2DT	(1 << 0)
-
-/* Offsets into the sci_port->irqs array */
-enum {
-	SCIx_ERI_IRQ,
-	SCIx_RXI_IRQ,
-	SCIx_TXI_IRQ,
-	SCIx_BRI_IRQ,
-	SCIx_NR_IRQS,
-
-	SCIx_MUX_IRQ = SCIx_NR_IRQS,	/* special case */
-};
-
-/* Offsets into the sci_port->gpios array */
-enum {
-	SCIx_SCK,
-	SCIx_RXD,
-	SCIx_TXD,
-	SCIx_CTS,
-	SCIx_RTS,
-
-	SCIx_NR_FNS,
-};
 
 enum {
 	SCIx_PROBE_REGTYPE,
@@ -90,35 +35,11 @@
 	SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
 	SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 	SCIx_SH7705_SCIF_REGTYPE,
+	SCIx_HSCIF_REGTYPE,
 
 	SCIx_NR_REGTYPES,
 };
 
-#define SCIx_IRQ_MUXED(irq)		\
-{					\
-	[SCIx_ERI_IRQ]	= (irq),	\
-	[SCIx_RXI_IRQ]	= (irq),	\
-	[SCIx_TXI_IRQ]	= (irq),	\
-	[SCIx_BRI_IRQ]	= (irq),	\
-}
-
-#define SCIx_IRQ_IS_MUXED(port)			\
-	((port)->cfg->irqs[SCIx_ERI_IRQ] ==	\
-	 (port)->cfg->irqs[SCIx_RXI_IRQ]) ||	\
-	((port)->cfg->irqs[SCIx_ERI_IRQ] &&	\
-	 !(port)->cfg->irqs[SCIx_RXI_IRQ])
-/*
- * SCI register subset common for all port types.
- * Not all registers will exist on all parts.
- */
-enum {
-	SCSMR, SCBRR, SCSCR, SCxSR,
-	SCFCR, SCFDR, SCxTDR, SCxRDR,
-	SCLSR, SCTFDR, SCRFDR, SCSPTR,
-
-	SCIx_NR_REGS,
-};
-
 struct device;
 
 struct plat_sci_port_ops {
@@ -128,28 +49,22 @@
 /*
  * Port-specific capabilities
  */
-#define SCIx_HAVE_RTSCTS	(1 << 0)
+#define SCIx_HAVE_RTSCTS	BIT(0)
 
 /*
  * Platform device specific platform_data struct
  */
 struct plat_sci_port {
-	unsigned long	mapbase;		/* resource base */
-	unsigned int	irqs[SCIx_NR_IRQS];	/* ERI, RXI, TXI, BRI */
-	unsigned int	gpios[SCIx_NR_FNS];	/* SCK, RXD, TXD, CTS, RTS */
-	unsigned int	type;			/* SCI / SCIF / IRDA */
+	unsigned int	type;			/* SCI / SCIF / IRDA / HSCIF */
 	upf_t		flags;			/* UPF_* flags */
 	unsigned long	capabilities;		/* Port features/capabilities */
 
-	unsigned int	scbrr_algo_id;		/* SCBRR calculation algo */
+	unsigned int	sampling_rate;
 	unsigned int	scscr;			/* SCSCR initialization */
 
 	/*
 	 * Platform overrides if necessary, defaults otherwise.
 	 */
-	int		overrun_bit;
-	unsigned int	error_mask;
-
 	int		port_reg;
 	unsigned char	regshift;
 	unsigned char	regtype;