Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / gs_fpgaboot / io.h

diff --git a/kernel/drivers/staging/gs_fpgaboot/io.h b/kernel/drivers/staging/gs_fpgaboot/io.h
new file mode 100644 (file)
index 0000000..7b46ac2
--- /dev/null
+++ b/kernel/drivers/staging/gs_fpgaboot/io.h
@@ -0,0 +1,90 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define GPDIR  0
+#define GPCFG  4       /* open drain or not */
+#define GPDAT  8
+
+/*
+ * gpio port and pin definitions
+ * NOTE: port number starts from 0
+ */
+#define        XL_INITN_PORT   1
+#define        XL_INITN_PIN    14
+#define        XL_RDWRN_PORT   1
+#define        XL_RDWRN_PIN    13
+#define        XL_CCLK_PORT    1
+#define        XL_CCLK_PIN     10
+#define        XL_PROGN_PORT   1
+#define        XL_PROGN_PIN    25
+#define        XL_CSIN_PORT    1
+#define        XL_CSIN_PIN     26
+#define        XL_DONE_PORT    1
+#define        XL_DONE_PIN     27
+
+/*
+ * gpio mapping
+ *
+       XL_config_D0 – gpio1_31
+       Xl_config_d1 – gpio1_30
+       Xl_config_d2 – gpio1_29
+       Xl_config_d3 – gpio1_28
+       Xl_config_d4 – gpio1_27
+       Xl_config_d5 – gpio1_26
+       Xl_config_d6 – gpio1_25
+       Xl_config_d7 – gpio1_24
+       Xl_config_d8 – gpio1_23
+       Xl_config_d9 – gpio1_22
+       Xl_config_d10 – gpio1_21
+       Xl_config_d11 – gpio1_20
+       Xl_config_d12 – gpio1_19
+       Xl_config_d13 – gpio1_18
+       Xl_config_d14 – gpio1_16
+       Xl_config_d15 – gpio1_14
+*
+*/
+
+/*
+ * program bus width in bytes
+ */
+enum wbus {
+       bus_1byte       = 1,
+       bus_2byte       = 2,
+};
+
+
+#define MAX_WAIT_DONE  10000
+
+
+struct gpiobus {
+       int     ngpio;
+       void __iomem *r[4];
+};
+
+int xl_supported_prog_bus_width(enum wbus bus_bytes);
+
+void xl_program_b(int32_t i);
+void xl_rdwr_b(int32_t i);
+void xl_csi_b(int32_t i);
+
+int xl_get_init_b(void);
+int xl_get_done_b(void);
+
+void xl_shift_cclk(int count);
+void xl_shift_bytes_out(enum wbus bus_byte, unsigned char *pdata);
+
+int xl_init_io(void);