[src/trunk]: src/sys/arch/mips/ingenic add gpio registers

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/74a00428c0ea
branches:  trunk
changeset: 336689:74a00428c0ea
user:      macallan <macallan%NetBSD.org@localhost>
date:      Tue Mar 10 18:02:16 2015 +0000

description:
add gpio registers

diffstat:

 sys/arch/mips/ingenic/ingenic_regs.h |  115 +++++++++++++++++++++++++++++++++-
 1 files changed, 111 insertions(+), 4 deletions(-)

diffs (135 lines):

diff -r 49a364046c57 -r 74a00428c0ea sys/arch/mips/ingenic/ingenic_regs.h
--- a/sys/arch/mips/ingenic/ingenic_regs.h      Tue Mar 10 18:01:04 2015 +0000
+++ b/sys/arch/mips/ingenic/ingenic_regs.h      Tue Mar 10 18:02:16 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ingenic_regs.h,v 1.8 2015/03/09 13:22:37 macallan Exp $ */
+/*     $NetBSD: ingenic_regs.h,v 1.9 2015/03/10 18:02:16 macallan Exp $ */
 
 /*-
  * Copyright (c) 2014 Michael Lorenz
@@ -232,7 +232,7 @@
 #define JZ_ICSR0       0x10001000      /* raw IRQ line status */
 #define JZ_ICMR0       0x10001004      /* IRQ mask, 1 masks IRQ */
 #define JZ_ICMSR0      0x10001008      /* sets bits in mask register */
-#define JZ_ICMCR0      0x1000100c      /* clears bits in maks register */
+#define JZ_ICMCR0      0x1000100c      /* clears bits in mask register */
 #define JZ_ICPR0       0x10001010      /* line status after masking */
 
 #define JZ_ICSR1       0x10001020      /* raw IRQ line status */
@@ -262,7 +262,114 @@
 
 /* Ethernet */
 #define JZ_DME_BASE    0x16000000
-#define JZ_DME_IO      JZ_DME_BASE
-#define JZ_DME_ADDR    (JZ_DME_BASE + 2)
+#define JZ_DME_IO      0
+#define JZ_DME_DATA    2
+
+/* GPIO */
+#define JZ_GPIO_A_BASE 0x10010000
+#define JZ_GPIO_B_BASE 0x10010100
+#define JZ_GPIO_C_BASE 0x10010200
+#define JZ_GPIO_D_BASE 0x10010300
+#define JZ_GPIO_E_BASE 0x10010400
+#define JZ_GPIO_F_BASE 0x10010500
 
+/* GPIO registers per port */
+#define JZ_GPIO_PIN    0x00000000      /* pin level register */
+/* 0 - normal gpio, 1 - interrupt */
+#define JZ_GPIO_INT    0x00000010      /* interrupt register */
+#define JZ_GPIO_INTS   0x00000014      /* interrupt set register */
+#define JZ_GPIO_INTC   0x00000018      /* interrupt clear register */
+/*
+ * INT == 1: 1 disables interrupt
+ * INT == 0: device select, see below
+ */
+#define JZ_GPIO_MASK   0x00000020      /* port mask register */
+#define JZ_GPIO_MASKS  0x00000024      /* port mask set register */
+#define JZ_GPIO_MASKC  0x00000028      /* port mask clear register */
+/*
+ * INT == 1: 0 - level triggered, 1 - edge triggered
+ * INT == 0: 0 - device select, see below
+ */ 
+#define JZ_GPIO_PAT1   0x00000030      /* pattern 1 register */
+#define JZ_GPIO_PAT1S  0x00000034      /* pattern 1 set register */
+#define JZ_GPIO_PAT1C  0x00000038      /* pattern 1 clear register */
+/*
+ * INT == 1:
+ *   PAT1 == 0: 0 - trigger on low, 1 - trigger on high
+ *   PAT1 == 1: 0 - trigger on falling edge, 1 - trigger on rising edge
+ * INT == 0:
+ *   MASK == 0:
+ *     PAT1 == 0: 0 - device 0, 1 - device 1
+ *     PAT1 == 1: 0 - device 2, 1 - device 3
+ *   MASK == 1:
+ *     PAT1 == 0: set gpio output
+ *     PAT1 == 1: pin is input
+ */
+#define JZ_GPIO_PAT0   0x00000040      /* pattern 0 register */
+#define JZ_GPIO_PAT0S  0x00000044      /* pattern 0 set register */
+#define JZ_GPIO_PAT0C  0x00000048      /* pattern 0 clear register */
+/* 1 - interrupt happened */
+#define JZ_GPIO_FLAG   0x00000050      /* flag register */
+#define JZ_GPIO_FLAGC  0x00000058      /* flag clear register */
+/* 1 - disable pull up/down resistors */
+#define JZ_GPIO_DPULL  0x00000070      /* pull disable register */
+#define JZ_GPIO_DPULLS 0x00000074      /* pull disable set register */
+#define JZ_GPIO_DPULLC 0x00000078      /* pull disable clear register */
+/* the following are uncommented in the manual */
+#define JZ_GPIO_DRVL   0x00000080      /* drive low register */
+#define JZ_GPIO_DRVLS  0x00000084      /* drive low set register */
+#define JZ_GPIO_DRVLC  0x00000088      /* drive low clear register */
+#define JZ_GPIO_DIR    0x00000090      /* direction register */
+#define JZ_GPIO_DIRS   0x00000094      /* direction register */
+#define JZ_GPIO_DIRC   0x00000098      /* direction register */
+#define JZ_GPIO_DRVH   0x000000a0      /* drive high register */
+#define JZ_GPIO_DRVHS  0x000000a4      /* drive high set register */
+#define JZ_GPIO_DRVHC  0x000000a8      /* drive high clear register */
+
+static inline void
+gpio_as_output(uint32_t g, int pin)
+{
+       uint32_t mask = 1 << pin;
+       uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
+
+       writereg(reg + JZ_GPIO_INTC, mask);     /* use as gpio */
+       writereg(reg + JZ_GPIO_MASKS, mask);
+       writereg(reg + JZ_GPIO_PAT1C, mask);    /* make output */
+}
+
+static inline void
+gpio_set(uint32_t g, int pin, int level)
+{
+       uint32_t mask = 1 << pin;
+       uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
+
+       reg += (level == 0) ? JZ_GPIO_PAT0C : JZ_GPIO_PAT0S;
+       writereg(reg, mask);
+}
+
+static inline void
+gpio_as_dev0(uint32_t g, int pin)
+{
+       uint32_t mask = 1 << pin;
+       uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
+
+       writereg(reg + JZ_GPIO_INTC, mask);     /* use as gpio */
+       writereg(reg + JZ_GPIO_MASKC, mask);    /* device mode */
+       writereg(reg + JZ_GPIO_PAT1C, mask);    /* select 0 */
+       writereg(reg + JZ_GPIO_PAT0C, mask);
+}
+       
+static inline void
+gpio_as_intr_level(uint32_t g, int pin)
+{
+       uint32_t mask = 1 << pin;
+       uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
+
+       writereg(reg + JZ_GPIO_MASKS, mask);    /* mask it */
+       writereg(reg + JZ_GPIO_INTS, mask);     /* use as interrupt */
+       writereg(reg + JZ_GPIO_PAT1C, mask);    /* level trigger */
+       writereg(reg + JZ_GPIO_PAT0S, mask);    /* trigger on high */
+       writereg(reg + JZ_GPIO_FLAGC, mask);    /* clear it */
+       writereg(reg + JZ_GPIO_MASKC, mask);    /* enable it */
+}
 #endif /* INGENIC_REGS_H */