1 /*
2 *
3 * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the
16 * distribution.
17 *
18 * Neither the name of Texas Instruments Incorporated nor the names of
19 * its contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
38 /************************************************************************************
39 * FILE PURPOSE: C6457 Device Specific functions
40 ************************************************************************************
41 * FILE NAME: c6457.c
42 *
43 * DESCRIPTION: Implements the device specific functions for the IBL
44 *
45 * @file c6457.c
46 *
47 * @brief
48 * This file implements the device specific functions for the IBL
49 *
50 ************************************************************************************/
51 #include "ibl.h"
52 #include "device.h"
53 #include "pllapi.h"
54 #include "emif31api.h"
55 #include "pscapi.h"
56 #include "gpio.h"
57 #include <string.h>
59 extern cregister unsigned int DNUM;
62 /**
63 * @brief Determine if an address is local
64 *
65 * @details
66 * Examines an input address to determine if it is a local address
67 */
68 bool address_is_local (Uint32 addr)
69 {
70 /* L2 */
71 if ((addr >= 0x00800000) && (addr < 0x00898000))
72 return (TRUE);
74 /* L1P */
75 if ((addr >= 0x00e00000) && (addr < 0x00e08000))
76 return (TRUE);
78 /* L2D */
79 if ((addr >= 0x00f00000) && (addr < 0x00f08000))
80 return (TRUE);
82 return (FALSE);
84 }
87 /**
88 * @brief Convert a local l1d, l1p or l2 address to a global address
89 *
90 * @details
91 * The global address is formed. If the address is not local then
92 * the input address is returned
93 */
94 Uint32 deviceLocalAddrToGlobal (Uint32 addr)
95 {
97 if (address_is_local (addr))
98 addr = (1 << 28) | (DNUM << 24) | addr;
100 return (addr);
102 }
105 /**
106 * @brief
107 * Enable the DDR
108 *
109 * @details
110 * The DDR controller on the c6457 is an emif 3.1. The controller is
111 * initialized directly with the supplied values
112 */
113 void deviceDdrConfig (void)
114 {
115 if (ibl.ddrConfig.configDdr != 0)
116 hwEmif3p1Enable (&ibl.ddrConfig.uEmif.emif3p1);
118 }
121 /**
122 * @brief Power up a peripheral
123 *
124 * @details
125 * Boot peripherals are powered up
126 */
127 int32 devicePowerPeriph (int32 modNum)
128 {
129 /* If the input value is < 0 there is nothing to power up */
130 if (modNum < 0)
131 return (0);
134 if (modNum >= TARGET_PWR_MAX_MOD)
135 return (-1);
137 return ((int32)pscEnableModule(modNum));
139 }
142 /**
143 * @brief Enable the pass through version of the nand controller
144 *
145 * @details On the evm the nand controller is enabled by setting
146 * gpio 14 high
147 */
148 #ifndef EXCLUDE_NAND
149 int32 deviceConfigureForNand(void)
150 {
151 hwGpioSetDirection(NAND_MODE_GPIO, GPIO_OUT);
152 hwGpioSetOutput(NAND_MODE_GPIO);
153 return (0);
155 }
156 #endif
159 /**
160 * @brief
161 * The e-fuse mac address is loaded
162 */
163 void deviceLoadDefaultEthAddress (uint8 *maddr)
164 {
165 uint32 macA, macB;
167 /* Read the e-fuse mac address */
168 macA = *((uint32 *)0x02880914);
169 macB = *((uint32 *)0x02880918);
171 maddr[0] = (macB >> 8) & 0xff;
172 maddr[1] = (macB >> 0) & 0xff;
173 maddr[2] = (macA >> 24) & 0xff;
174 maddr[3] = (macA >> 16) & 0xff;
175 maddr[4] = (macA >> 8) & 0xff;
176 maddr[5] = (macA >> 0) & 0xff;
177 }