default c program

inc/gpio.h

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+/*****************************************************************************
+ Copyright 2016 Broadcom Limited.  All rights reserved.
+
+ This program is the proprietary software of Broadcom Limited and/or its
+ licensors, and may only be used, duplicated, modified or distributed pursuant
+ to the terms and conditions of a separate, written license agreement executed
+ between you and Broadcom (an "Authorized License").
+
+ Except as set forth in an Authorized License, Broadcom grants no license
+ (express or implied), right to use, or waiver of any kind with respect to the
+ Software, and Broadcom expressly reserves all rights in and to the Software
+ and all intellectual property rights therein.  IF YOU HAVE NO AUTHORIZED
+ LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS SOFTWARE IN ANY WAY, AND SHOULD
+ IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE ALL USE OF THE SOFTWARE.
+
+  Except as expressly set forth in the Authorized License,
+ 1. This program, including its structure, sequence and organization,
+    constitutes the valuable trade secrets of Broadcom, and you shall use all
+    reasonable efforts to protect the confidentiality thereof, and to use this
+    information only in connection with your use of Broadcom integrated
+    circuit products.
+
+ 2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+    AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, REPRESENTATIONS OR
+    WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
+    TO THE SOFTWARE.  BROADCOM SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED
+    WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+    PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS,
+    QUIET ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION.
+    YOU ASSUME THE ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE
+    SOFTWARE.
+
+ 3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR ITS
+    LICENSORS BE LIABLE FOR (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT,
+    OR EXEMPLARY DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO
+    YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM HAS BEEN
+    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR (ii) ANY AMOUNT IN EXCESS
+    OF THE AMOUNT ACTUALLY PAID FOR THE SOFTWARE ITSELF OR U.S. $1, WHICHEVER
+    IS GREATER. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF
+    ESSENTIAL PURPOSE OF ANY LIMITED REMEDY.
+******************************************************************************/
+#ifndef GPIO_H
+#define GPIO_H
+
+#define GPIO_ENABLE	0x1
+#define GPIO_DISABLE	0x0
+
+#define GPIO_DRV_EN	0x1
+#define GPIO_DRV_DIS	0x0
+
+#define GPIO_SET_1	0x1
+#define GPIO_SET_0	0x0
+
+typedef enum {
+	GIO_GROUP_0,
+	GIO_GROUP_1,
+	GIO_GROUP_2,
+} gio_group;
+
+typedef enum {
+	FLASH_CS_FUNC_CS,
+	FLASH_CS_FUNC_GPIO,
+} flash_cs_mux;
+
+typedef enum {
+	GPIO_PIN_0 = 0x1 << 0,
+	GPIO_PIN_1 = 0x1 << 1,
+	GPIO_PIN_2 = 0x1 << 2,
+	GPIO_PIN_3 = 0x1 << 3,
+} gpio_pin;
+
+#define GPIO_PIN_ALL	(GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3)
+
+typedef enum {
+	STRAP_PIN_QSPI,
+} strap_pin;
+
+
+/* prototypes */
+extern void gpio_config_output(gio_group grp, int pin);
+extern void gpio_config_input(gio_group grp, int pin);
+extern void gpio_set(gio_group grp, int pin, int val);
+extern int gpio_get(gio_group grp, int pin);
+
+extern void gpio_flash_cs_din_en(int enable);
+extern void gpio_flash_cs_dout_en(int enable);
+extern void gpio_flash_cs_oe_en(int enable);
+extern void gpio_flash_mux_sel(flash_cs_mux mux);
+
+#endif /* GPIO_H */

inc/io.h

@@ -0,0 +1,89 @@
+/*****************************************************************************
+ Copyright 2016 Broadcom Limited.  All rights reserved.
+
+ This program is the proprietary software of Broadcom Limited and/or its
+ licensors, and may only be used, duplicated, modified or distributed pursuant
+ to the terms and conditions of a separate, written license agreement executed
+ between you and Broadcom (an "Authorized License").
+
+ Except as set forth in an Authorized License, Broadcom grants no license
+ (express or implied), right to use, or waiver of any kind with respect to the
+ Software, and Broadcom expressly reserves all rights in and to the Software
+ and all intellectual property rights therein.  IF YOU HAVE NO AUTHORIZED
+ LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS SOFTWARE IN ANY WAY, AND SHOULD
+ IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE ALL USE OF THE SOFTWARE.
+
+  Except as expressly set forth in the Authorized License,
+ 1. This program, including its structure, sequence and organization,
+    constitutes the valuable trade secrets of Broadcom, and you shall use all
+    reasonable efforts to protect the confidentiality thereof, and to use this
+    information only in connection with your use of Broadcom integrated
+    circuit products.
+
+ 2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+    AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, REPRESENTATIONS OR
+    WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
+    TO THE SOFTWARE.  BROADCOM SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED
+    WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+    PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS,
+    QUIET ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION.
+    YOU ASSUME THE ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE
+    SOFTWARE.
+
+ 3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR ITS
+    LICENSORS BE LIABLE FOR (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT,
+    OR EXEMPLARY DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO
+    YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM HAS BEEN
+    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR (ii) ANY AMOUNT IN EXCESS
+    OF THE AMOUNT ACTUALLY PAID FOR THE SOFTWARE ITSELF OR U.S. $1, WHICHEVER
+    IS GREATER. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF
+    ESSENTIAL PURPOSE OF ANY LIMITED REMEDY.
+******************************************************************************/
+#ifndef IO_H
+#define IO_H
+
+/* Includes */
+#include <stdint.h>
+
+/* macros */
+
+/* 64 bit */
+/*---------------TBD----------------------*/
+#define read64(addr) 0 /*--TBD--*/
+#define write64(addr, msw, lsw)
+
+/* 32 bit */
+#define readl(addr)		\
+	(*((const volatile uint32_t *) (addr)))
+
+#define writel(addr, val)	\
+	(*((volatile uint32_t *) (addr)) = (uint32_t)(val))
+
+/* 16 bit */
+
+#define readw(addr)		\
+	(*((const volatile uint16_t *) (addr)))
+
+#define writew(addr, val)	\
+	(*((volatile uint16_t *) (addr)) = (uint16_t)(val))
+
+
+/* 8-bit */
+#define readb(addr)		\
+	(*((const volatile uint8_t *) (addr)))
+
+#define writeb(addr, val)		\
+	(*((volatile uint8_t *) (addr)) = (uint8_t)(val))
+
+
+/* Wrappers */
+#define reg_read64(addr)		read64(addr)
+#define reg_write64(addr, msw, lsw)	write64(addr, msw, lsw)
+#define reg_read32(addr)		readl(addr)
+#define reg_write32(addr, val)		writel(addr, val)
+#define reg_read16(addr)		readw(addr)
+#define reg_write16(addr, val)		writew(addr, val)
+#define reg_read8(addr)			readb(addr)
+#define reg_write8(addr, val)		writeb(addr, val)
+
+#endif /* IO_H */