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 "nandhwapi.h"
58 #include <string.h>
60 extern cregister unsigned int DNUM;
63 /**
64 * @brief Determine if an address is local
65 *
66 * @details
67 * Examines an input address to determine if it is a local address
68 */
69 bool address_is_local (Uint32 addr)
70 {
71 /* L2 */
72 if ((addr >= 0x00800000) && (addr < 0x00a00000))
73 return (TRUE);
75 /* L1P */
76 if ((addr >= 0x00e00000) && (addr < 0x00e08000))
77 return (TRUE);
79 /* L2D */
80 if ((addr >= 0x00f00000) && (addr < 0x00f08000))
81 return (TRUE);
83 return (FALSE);
85 }
88 /**
89 * @brief Convert a local l1d, l1p or l2 address to a global address
90 *
91 * @details
92 * The global address is formed. If the address is not local then
93 * the input address is returned
94 */
95 Uint32 deviceLocalAddrToGlobal (Uint32 addr)
96 {
98 return (addr);
100 }
103 /**
104 * @brief
105 * Enable the DDR
106 *
107 * @details
108 * The DDR controller on the c6457 is an emif 3.1. The controller is
109 * initialized directly with the supplied values
110 */
111 void deviceDdrConfig (void)
112 {
113 if (ibl.ddrConfig.configDdr != 0)
114 hwEmif3p1Enable (&ibl.ddrConfig.uEmif.emif3p1);
116 }
119 /**
120 * @brief Power up a peripheral
121 *
122 * @details
123 * Boot peripherals are powered up
124 */
125 int32 devicePowerPeriph (int32 modNum)
126 {
127 /* If the input value is < 0 there is nothing to power up */
128 if (modNum < 0)
129 return (0);
132 if (modNum >= TARGET_PWR_MAX_MOD)
133 return (-1);
135 return ((int32)pscEnableModule(modNum));
137 }
139 unsigned int get_device_switch_setting()
140 {
141 volatile unsigned int w;
142 unsigned int v;
144 w = *((uint32 *)0x02880820);
145 v = w & 0x200;
146 v = v >> 9;
148 return(v);
149 }
151 /**
152 * @brief Enable the pass through version of the nand controller
153 *
154 * @details On the evm the nand controller is enabled by setting
155 * gpio 14 high
156 */
157 #ifndef EXCLUDE_NAND_GPIO
158 int32 deviceConfigureForNand(void)
159 {
160 hwGpioSetDirection(NAND_MODE_GPIO, GPIO_OUT);
161 hwGpioSetOutput(NAND_MODE_GPIO);
162 return (0);
164 }
165 #endif
168 /**
169 * @brief
170 * The e-fuse mac address is loaded
171 */
172 void deviceLoadDefaultEthAddress (uint8 *maddr)
173 {
174 uint32 macA, macB;
176 /* Read the e-fuse mac address */
177 macA = *((uint32 *)0x02880914);
178 macB = *((uint32 *)0x02880918);
180 maddr[0] = (macB >> 8) & 0xff;
181 maddr[1] = (macB >> 0) & 0xff;
182 maddr[2] = (macA >> 24) & 0xff;
183 maddr[3] = (macA >> 16) & 0xff;
184 maddr[4] = (macA >> 8) & 0xff;
185 maddr[5] = (macA >> 0) & 0xff;
186 }
189 /**
190 * @brief Return the NAND interface call table. Only GPIO is supported on c6457
191 */
193 #ifndef EXCLUDE_NAND_GPIO
194 nandCtbl_t nandCtbl = {
196 nandHwGpioDriverInit,
197 nandHwGpioDriverReadBytes,
198 nandHwGpioDriverReadPage,
199 nandHwGpioDriverClose
201 };
203 nandCtbl_t *deviceGetNandCtbl (int32 interface)
204 {
205 return (&nandCtbl);
206 }
207 #endif