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-rw-r--r--arch/sh/include/mach-sdk7786/mach/fpga.h156
1 files changed, 156 insertions, 0 deletions
diff --git a/arch/sh/include/mach-sdk7786/mach/fpga.h b/arch/sh/include/mach-sdk7786/mach/fpga.h
new file mode 100644
index 000000000..76c2e8489
--- /dev/null
+++ b/arch/sh/include/mach-sdk7786/mach/fpga.h
@@ -0,0 +1,156 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __MACH_SDK7786_FPGA_H
+#define __MACH_SDK7786_FPGA_H
+
+#include <linux/io.h>
+#include <linux/types.h>
+#include <linux/bitops.h>
+
+#define SRSTR 0x000
+#define SRSTR_MAGIC 0x1971 /* Fixed magical read value */
+
+#define INTASR 0x010
+#define INTAMR 0x020
+#define MODSWR 0x030
+#define INTTESTR 0x040
+#define SYSSR 0x050
+#define NRGPR 0x060
+
+#define NMISR 0x070
+#define NMISR_MAN_NMI BIT(0)
+#define NMISR_AUX_NMI BIT(1)
+#define NMISR_MASK (NMISR_MAN_NMI | NMISR_AUX_NMI)
+
+#define NMIMR 0x080
+#define NMIMR_MAN_NMIM BIT(0) /* Manual NMI mask */
+#define NMIMR_AUX_NMIM BIT(1) /* Auxiliary NMI mask */
+#define NMIMR_MASK (NMIMR_MAN_NMIM | NMIMR_AUX_NMIM)
+
+#define INTBSR 0x090
+#define INTBMR 0x0a0
+#define USRLEDR 0x0b0
+#define MAPSWR 0x0c0
+#define FPGAVR 0x0d0
+#define FPGADR 0x0e0
+#define PCBRR 0x0f0
+#define RSR 0x100
+#define EXTASR 0x110
+#define SPCAR 0x120
+#define INTMSR 0x130
+
+#define PCIECR 0x140
+#define PCIECR_PCIEMUX1 BIT(15)
+#define PCIECR_PCIEMUX0 BIT(14)
+#define PCIECR_PRST4 BIT(12) /* slot 4 card present */
+#define PCIECR_PRST3 BIT(11) /* slot 3 card present */
+#define PCIECR_PRST2 BIT(10) /* slot 2 card present */
+#define PCIECR_PRST1 BIT(9) /* slot 1 card present */
+#define PCIECR_CLKEN BIT(4) /* oscillator enable */
+
+#define FAER 0x150
+#define USRGPIR 0x160
+
+/* 0x170 reserved */
+
+#define LCLASR 0x180
+#define LCLASR_FRAMEN BIT(15)
+
+#define LCLASR_FPGA_SEL_SHIFT 12
+#define LCLASR_NAND_SEL_SHIFT 8
+#define LCLASR_NORB_SEL_SHIFT 4
+#define LCLASR_NORA_SEL_SHIFT 0
+
+#define LCLASR_AREA_MASK 0x7
+
+#define LCLASR_FPGA_SEL_MASK (LCLASR_AREA_MASK << LCLASR_FPGA_SEL_SHIFT)
+#define LCLASR_NAND_SEL_MASK (LCLASR_AREA_MASK << LCLASR_NAND_SEL_SHIFT)
+#define LCLASR_NORB_SEL_MASK (LCLASR_AREA_MASK << LCLASR_NORB_SEL_SHIFT)
+#define LCLASR_NORA_SEL_MASK (LCLASR_AREA_MASK << LCLASR_NORA_SEL_SHIFT)
+
+#define SBCR 0x190
+#define SCBR_I2CMEN BIT(0) /* FPGA I2C master enable */
+#define SCBR_I2CCEN BIT(1) /* CPU I2C master enable */
+
+#define PWRCR 0x1a0
+#define PWRCR_SCISEL0 BIT(0)
+#define PWRCR_SCISEL1 BIT(1)
+#define PWRCR_SCIEN BIT(2) /* Serial port enable */
+#define PWRCR_PDWNACK BIT(5) /* Power down acknowledge */
+#define PWRCR_PDWNREQ BIT(7) /* Power down request */
+#define PWRCR_INT2 BIT(11) /* INT2 connection to power manager */
+#define PWRCR_BUPINIT BIT(13) /* DDR backup initialize */
+#define PWRCR_BKPRST BIT(15) /* Backup power reset */
+
+#define SPCBR 0x1b0
+#define SPICR 0x1c0
+#define SPIDR 0x1d0
+#define I2CCR 0x1e0
+#define I2CDR 0x1f0
+#define FPGACR 0x200
+#define IASELR1 0x210
+#define IASELR2 0x220
+#define IASELR3 0x230
+#define IASELR4 0x240
+#define IASELR5 0x250
+#define IASELR6 0x260
+#define IASELR7 0x270
+#define IASELR8 0x280
+#define IASELR9 0x290
+#define IASELR10 0x2a0
+#define IASELR11 0x2b0
+#define IASELR12 0x2c0
+#define IASELR13 0x2d0
+#define IASELR14 0x2e0
+#define IASELR15 0x2f0
+/* 0x300 reserved */
+#define IBSELR1 0x310
+#define IBSELR2 0x320
+#define IBSELR3 0x330
+#define IBSELR4 0x340
+#define IBSELR5 0x350
+#define IBSELR6 0x360
+#define IBSELR7 0x370
+#define IBSELR8 0x380
+#define IBSELR9 0x390
+#define IBSELR10 0x3a0
+#define IBSELR11 0x3b0
+#define IBSELR12 0x3c0
+#define IBSELR13 0x3d0
+#define IBSELR14 0x3e0
+#define IBSELR15 0x3f0
+#define USRACR 0x400
+#define BEEPR 0x410
+#define USRLCDR 0x420
+#define SMBCR 0x430
+#define SMBDR 0x440
+#define USBCR 0x450
+#define AMSR 0x460
+#define ACCR 0x470
+#define SDIFCR 0x480
+
+/* arch/sh/boards/mach-sdk7786/fpga.c */
+extern void __iomem *sdk7786_fpga_base;
+extern void sdk7786_fpga_init(void);
+
+/* arch/sh/boards/mach-sdk7786/nmi.c */
+extern void sdk7786_nmi_init(void);
+
+#define SDK7786_FPGA_REGADDR(reg) (sdk7786_fpga_base + (reg))
+
+/*
+ * A convenience wrapper from register offset to internal I2C address,
+ * when the FPGA is in I2C slave mode.
+ */
+#define SDK7786_FPGA_I2CADDR(reg) ((reg) >> 3)
+
+static inline u16 fpga_read_reg(unsigned int reg)
+{
+ return ioread16(sdk7786_fpga_base + reg);
+}
+
+static inline void fpga_write_reg(u16 val, unsigned int reg)
+{
+ iowrite16(val, sdk7786_fpga_base + reg);
+}
+
+#endif /* __MACH_SDK7786_FPGA_H */