Driver_NAND.c 6.4 KB

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  1. /*
  2. * Copyright (c) 2013-2020 Arm Limited. All rights reserved.
  3. *
  4. * SPDX-License-Identifier: Apache-2.0
  5. *
  6. * Licensed under the Apache License, Version 2.0 (the License); you may
  7. * not use this file except in compliance with the License.
  8. * You may obtain a copy of the License at
  9. *
  10. * www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing, software
  13. * distributed under the License is distributed on an AS IS BASIS, WITHOUT
  14. * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15. * See the License for the specific language governing permissions and
  16. * limitations under the License.
  17. */
  18. #include "Driver_NAND.h"
  19. #define ARM_NAND_DRV_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(1, 0) /* driver version */
  20. /* Driver Version */
  21. static const ARM_DRIVER_VERSION DriverVersion = {
  22. ARM_NAND_API_VERSION,
  23. ARM_NAND_DRV_VERSION
  24. };
  25. /* Driver Capabilities */
  26. static const ARM_NAND_CAPABILITIES DriverCapabilities = {
  27. 0, /* Signal Device Ready event (R/Bn rising edge) */
  28. 0, /* Supports re-entrant operation (SendCommand/Address, Read/WriteData) */
  29. 0, /* Supports Sequence operation (ExecuteSequence, AbortSequence) */
  30. 0, /* Supports VCC Power Supply Control */
  31. 0, /* Supports 1.8 VCC Power Supply */
  32. 0, /* Supports VCCQ I/O Power Supply Control */
  33. 0, /* Supports 1.8 VCCQ I/O Power Supply */
  34. 0, /* Supports VPP High Voltage Power Supply Control */
  35. 0, /* Supports WPn (Write Protect) Control */
  36. 0, /* Number of CEn (Chip Enable) lines: ce_lines + 1 */
  37. 0, /* Supports manual CEn (Chip Enable) Control */
  38. 0, /* Supports R/Bn (Ready/Busy) Monitoring */
  39. 0, /* Supports 16-bit data */
  40. 0, /* Supports NV-DDR Data Interface (ONFI) */
  41. 0, /* Supports NV-DDR2 Data Interface (ONFI) */
  42. 0, /* Fastest (highest) SDR Timing Mode supported (ONFI) */
  43. 0, /* Fastest (highest) NV_DDR Timing Mode supported (ONFI) */
  44. 0, /* Fastest (highest) NV_DDR2 Timing Mode supported (ONFI) */
  45. 0, /* Supports Driver Strength 2.0x = 18 Ohms */
  46. 0, /* Supports Driver Strength 1.4x = 25 Ohms */
  47. 0, /* Supports Driver Strength 0.7x = 50 Ohms */
  48. #if (ARM_NAND_API_VERSION > 0x201U)
  49. 0 /* Reserved (must be zero) */
  50. #endif
  51. };
  52. /* Exported functions */
  53. static ARM_DRIVER_VERSION ARM_NAND_GetVersion (void) {
  54. return DriverVersion;
  55. }
  56. static ARM_NAND_CAPABILITIES ARM_NAND_GetCapabilities (void) {
  57. return DriverCapabilities;
  58. }
  59. static int32_t ARM_NAND_Initialize (ARM_NAND_SignalEvent_t cb_event) {
  60. return ARM_DRIVER_ERROR_UNSUPPORTED;
  61. }
  62. static int32_t ARM_NAND_Uninitialize (void) {
  63. return ARM_DRIVER_ERROR_UNSUPPORTED;
  64. }
  65. static int32_t ARM_NAND_PowerControl (ARM_POWER_STATE state) {
  66. switch ((int32_t)state) {
  67. case ARM_POWER_OFF:
  68. return ARM_DRIVER_ERROR_UNSUPPORTED;
  69. case ARM_POWER_LOW:
  70. return ARM_DRIVER_ERROR_UNSUPPORTED;
  71. case ARM_POWER_FULL:
  72. return ARM_DRIVER_ERROR_UNSUPPORTED;
  73. default:
  74. return ARM_DRIVER_ERROR_UNSUPPORTED;
  75. }
  76. return ARM_DRIVER_OK;
  77. }
  78. static int32_t ARM_NAND_DevicePower (uint32_t voltage) {
  79. return ARM_DRIVER_ERROR_UNSUPPORTED;
  80. }
  81. static int32_t ARM_NAND_WriteProtect (uint32_t dev_num, bool enable) {
  82. return ARM_DRIVER_ERROR_UNSUPPORTED;
  83. }
  84. static int32_t ARM_NAND_ChipEnable (uint32_t dev_num, bool enable) {
  85. return ARM_DRIVER_ERROR_UNSUPPORTED;
  86. }
  87. static int32_t ARM_NAND_GetDeviceBusy (uint32_t dev_num) {
  88. return ARM_DRIVER_ERROR_UNSUPPORTED;
  89. }
  90. static int32_t ARM_NAND_SendCommand (uint32_t dev_num, uint8_t cmd) {
  91. return ARM_DRIVER_ERROR_UNSUPPORTED;
  92. }
  93. static int32_t ARM_NAND_SendAddress (uint32_t dev_num, uint8_t addr) {
  94. return ARM_DRIVER_ERROR_UNSUPPORTED;
  95. }
  96. static int32_t ARM_NAND_ReadData (uint32_t dev_num, void *data, uint32_t cnt, uint32_t mode) {
  97. return ARM_DRIVER_ERROR_UNSUPPORTED;
  98. }
  99. static int32_t ARM_NAND_WriteData (uint32_t dev_num, const void *data, uint32_t cnt, uint32_t mode) {
  100. return ARM_DRIVER_ERROR_UNSUPPORTED;
  101. }
  102. static int32_t ARM_NAND_ExecuteSequence (uint32_t dev_num, uint32_t code, uint32_t cmd,
  103. uint32_t addr_col, uint32_t addr_row,
  104. void *data, uint32_t data_cnt,
  105. uint8_t *status, uint32_t *count) {
  106. return ARM_DRIVER_ERROR_UNSUPPORTED;
  107. }
  108. static int32_t ARM_NAND_AbortSequence (uint32_t dev_num) {
  109. return ARM_DRIVER_ERROR_UNSUPPORTED;
  110. }
  111. static int32_t ARM_NAND_Control (uint32_t dev_num, uint32_t control, uint32_t arg) {
  112. switch (control) {
  113. case ARM_NAND_BUS_MODE:
  114. return ARM_DRIVER_ERROR_UNSUPPORTED;
  115. case ARM_NAND_BUS_DATA_WIDTH:
  116. return ARM_DRIVER_ERROR_UNSUPPORTED;
  117. case ARM_NAND_DEVICE_READY_EVENT:
  118. return ARM_DRIVER_ERROR_UNSUPPORTED;
  119. default:
  120. return ARM_DRIVER_ERROR_UNSUPPORTED;
  121. }
  122. return ARM_DRIVER_ERROR;
  123. }
  124. static ARM_NAND_STATUS ARM_NAND_GetStatus (uint32_t dev_num) {
  125. ARM_NAND_STATUS stat;
  126. stat.busy = 0U;
  127. stat.ecc_error = 0U;
  128. return stat;
  129. }
  130. static int32_t ARM_NAND_InquireECC (int32_t index, ARM_NAND_ECC_INFO *info) {
  131. return ARM_DRIVER_ERROR_UNSUPPORTED;
  132. }
  133. /* NAND Driver Control Block */
  134. extern \
  135. ARM_DRIVER_NAND Driver_NAND0;
  136. ARM_DRIVER_NAND Driver_NAND0 = {
  137. ARM_NAND_GetVersion,
  138. ARM_NAND_GetCapabilities,
  139. ARM_NAND_Initialize,
  140. ARM_NAND_Uninitialize,
  141. ARM_NAND_PowerControl,
  142. ARM_NAND_DevicePower,
  143. ARM_NAND_WriteProtect,
  144. ARM_NAND_ChipEnable,
  145. ARM_NAND_GetDeviceBusy,
  146. ARM_NAND_SendCommand,
  147. ARM_NAND_SendAddress,
  148. ARM_NAND_ReadData,
  149. ARM_NAND_WriteData,
  150. ARM_NAND_ExecuteSequence,
  151. ARM_NAND_AbortSequence,
  152. ARM_NAND_Control,
  153. ARM_NAND_GetStatus,
  154. ARM_NAND_InquireECC
  155. };