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| 1 | ingob | 1 | /******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** |
| 2 | * File Name : 91x_fmi.c |
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| 3 | * Author : MCD Application Team |
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| 4 | * Date First Issued : 05/18/2006 : Version 1.0 |
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| 5 | * Description : This file provides all the FMI software functions. |
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| 6 | ******************************************************************************** |
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| 7 | * History: |
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| 8 | * 05/22/2007 : Version 1.2 |
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| 9 | * 05/24/2006 : Version 1.1 |
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| 10 | * 05/18/2006 : Version 1.0 |
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| 11 | ******************************************************************************** |
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| 12 | * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH |
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| 13 | * CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS |
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| 14 | * A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT |
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| 15 | * OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT |
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| 16 | * OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION |
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| 17 | * CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
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| 18 | *******************************************************************************/ |
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| 19 | |||
| 20 | |||
| 21 | /* Standard include ----------------------------------------------------------*/ |
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| 22 | #include "91x_fmi.h" |
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| 23 | |||
| 24 | /* Include of other module interface headers ---------------------------------*/ |
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| 25 | /* Local includes ------------------------------------------------------------*/ |
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| 26 | /* Private typedef -----------------------------------------------------------*/ |
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| 27 | /* Private define ------------------------------------------------------------*/ |
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| 28 | |||
| 29 | #define TIMEOUT 0xFFFFFF /* Timeout value */ |
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| 30 | |||
| 31 | /* Private macro -------------------------------------------------------------*/ |
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| 32 | /* Private variables ---------------------------------------------------------*/ |
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| 33 | /* Private function prototypes -----------------------------------------------*/ |
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| 34 | /* Interface functions -------------------------------------------------------*/ |
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| 35 | /* Private functions ---------------------------------------------------------*/ |
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| 36 | |||
| 37 | |||
| 38 | /******************************************************************************* |
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| 39 | * Function Name : FMI_BankRemapConfig |
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| 40 | * Description : Configure the addresses and sizes of bank 0 and bank 1. |
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| 41 | * Input1 : FMI_BootBankSize: specifies the boot bank size. |
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| 42 | * This parameter can be one of the following values: |
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| 43 | * - 0x0: 32KBytes. |
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| 44 | * - 0x1: 64KBytes. |
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| 45 | * - 0x2: 128KBytes. |
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| 46 | * - 0x3: 256KBytes. |
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| 47 | * - 0x4: 512KBytes. |
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| 48 | * .... |
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| 49 | * - 0xB: 64MBytes. |
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| 50 | * Input2 : FMI_NonBootBankSize: specifies the non boot bank size. |
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| 51 | * This parameter can be one of the following values: |
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| 52 | * - 0x0: 8KBytes. |
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| 53 | * - 0x1: 16KBytes. |
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| 54 | * - 0x2: 32KBytes. |
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| 55 | * - 0x3: 64KBytes. |
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| 56 | * .... |
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| 57 | * - 0xD: 64MBytes. |
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| 58 | * Input3 : FMI_BootBankAddress: specifies the address of the boot bank. |
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| 59 | * Input4 : FMI_NonBootBankAddress: specifies the address of the non |
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| 60 | * boot bank. |
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| 61 | * Output : None |
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| 62 | * Return : None |
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| 63 | *******************************************************************************/ |
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| 64 | void FMI_BankRemapConfig(u8 FMI_BootBankSize, u8 FMI_NonBootBankSize, \ |
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| 65 | u32 FMI_BootBankAddress, u32 FMI_NonBootBankAddress) |
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| 66 | { |
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| 67 | FMI->BBSR = FMI_BootBankSize; |
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| 68 | FMI->NBBSR = FMI_NonBootBankSize; |
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| 69 | FMI->BBADR = (FMI_BootBankAddress >> 2); |
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| 70 | FMI->NBBADR = (FMI_NonBootBankAddress >> 2); |
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| 71 | FMI->CR |= 0x18; /* Enable bank 1 */ |
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| 72 | } |
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| 73 | |||
| 74 | /******************************************************************************* |
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| 75 | * Function Name : FMI_Config |
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| 76 | * Description : Configure the FMI. |
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| 77 | * Input1 : FMI_ReadWaitState: specifies the needed read wait states. |
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| 78 | * This parameter can be one of the following values: |
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| 79 | * - FMI_READ_WAIT_STATE_1: One read wait state. |
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| 80 | * - FMI_READ_WAIT_STATE_2: Two read wait states. |
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| 81 | * - FMI_READ_WAIT_STATE_3: Three read wait states. |
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| 82 | * Input2 : FMI_WriteWaitState: specifies the needed write wait states. |
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| 83 | * This parameter can be one of the following values: |
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| 84 | * - FMI_WRITE_WAIT_STATE_1: One write wait state. |
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| 85 | * - FMI_WRITE_WAIT_STATE_2: Two write wait states. |
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| 86 | * Input3 : FMI_PWD: specifies the power down mode status. |
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| 87 | * This parameter can be one of the following values: |
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| 88 | * - FMI_PWD_ENABLE: Enable the PWD. |
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| 89 | * - FMI_PWD_DISABLE: Disable the PWD. |
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| 90 | * Input4 : FMI_LVDEN: specifies the low voltage detector status. |
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| 91 | * This parameter can be one of the following values: |
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| 92 | * - FMI_LVD_ENABLE: Enable the LVD. |
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| 93 | * - FMI_LVD_DISABLE: Disable the LVD. |
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| 94 | * Input5 : FMI_FreqRange: specifies the working frequency range. |
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| 95 | * This parameter can be one of the following values: |
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| 96 | * - FMI_FREQ_LOW: Low working frequency (up to 66MHz). |
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| 97 | * - FMI_FREQ_HIGH: High working frequency (above 66MHz) . |
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| 98 | * Output : None |
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| 99 | * Return : None |
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| 100 | *******************************************************************************/ |
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| 101 | void FMI_Config(u16 FMI_ReadWaitState, u32 FMI_WriteWaitState, u16 FMI_PWD,\ |
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| 102 | u16 FMI_LVDEN, u16 FMI_FreqRange) |
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| 103 | { |
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| 104 | /* Configure the write wait state value */ |
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| 105 | if (FMI_WriteWaitState == FMI_WRITE_WAIT_STATE_1) |
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| 106 | { |
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| 107 | FMI->CR |= FMI_WRITE_WAIT_STATE_1; |
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| 108 | } |
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| 109 | else |
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| 110 | { |
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| 111 | FMI->CR &= FMI_WRITE_WAIT_STATE_0; |
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| 112 | } |
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| 113 | |||
| 114 | /* Write a write flash configuration register command */ |
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| 115 | *(vu16 *)FMI_BANK_1 = 0x60; |
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| 116 | |||
| 117 | /* Configure the flash configuration register */ |
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| 118 | *(vu16 *)(FMI_BANK_1|FMI_ReadWaitState|FMI_PWD|FMI_LVDEN|FMI_FreqRange) = 0x03; |
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| 119 | } |
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| 120 | |||
| 121 | /******************************************************************************* |
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| 122 | * Function Name : FMI_EraseSector |
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| 123 | * Description : Erase the needed sector. |
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| 124 | * Input : FMI_Sector: specifies the sector to be erased. |
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| 125 | * This parameter can be one of the following values: |
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| 126 | * - FMI_B0S0: FMI bank 0 sector 0. |
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| 127 | * - FMI_B0S1: FMI bank 0 sector 1. |
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| 128 | * - FMI_B0S2: FMI bank 0 sector 2. |
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| 129 | * - FMI_B0S3: FMI bank 0 sector 3. |
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| 130 | * - FMI_B0S4: FMI bank 0 sector 4. |
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| 131 | * - FMI_B0S5: FMI bank 0 sector 5. |
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| 132 | * - FMI_B0S6: FMI bank 0 sector 6. |
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| 133 | * - FMI_B0S7: FMI bank 0 sector 7. |
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| 134 | * - FMI_B1S0: FMI bank 1 sector 0. |
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| 135 | * - FMI_B1S1: FMI bank 1 sector 1. |
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| 136 | * - FMI_B1S2: FMI bank 1 sector 2. |
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| 137 | * - FMI_B1S3: FMI bank 1 sector 3. |
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| 138 | * Output : None |
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| 139 | * Return : None |
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| 140 | *******************************************************************************/ |
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| 141 | void FMI_EraseSector(vu32 FMI_Sector) |
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| 142 | { |
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| 143 | /* Write an erase set-up command to the sector */ |
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| 144 | *(vu16 *)FMI_Sector = 0x20; |
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| 145 | |||
| 146 | /* Write an erase confirm command to the sector */ |
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| 147 | *(vu16 *)FMI_Sector = 0xD0; |
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| 148 | } |
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| 149 | |||
| 150 | /******************************************************************************* |
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| 151 | * Function Name : FMI_EraseBank |
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| 152 | * Description : Erase the needed bank. |
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| 153 | * Input : FMI_Bank: specifies the bank to be erased. |
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| 154 | * This parameter can be one of the following values: |
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| 155 | * - FMI_BANK_0: FMI bank 0. |
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| 156 | * - FMI_BANK_1: FMI bank 1. |
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| 157 | * Output : None |
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| 158 | * Return : None |
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| 159 | *******************************************************************************/ |
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| 160 | void FMI_EraseBank(vu32 FMI_Bank) |
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| 161 | { |
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| 162 | /* Write a bank erase set-up command to the bank */ |
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| 163 | *(vu16 *)FMI_Bank = 0x80; |
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| 164 | |||
| 165 | /* Write an erase confirm command to the sector */ |
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| 166 | *(vu16 *)FMI_Bank = 0xD0; |
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| 167 | } |
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| 168 | |||
| 169 | /******************************************************************************* |
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| 170 | * Function Name : FMI_WriteHalfWord |
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| 171 | * Description : Write a halfword to the needed Flash memory address. |
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| 172 | * Input 1 : FMI_Address: specifies the address offset where the data will |
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| 173 | * be written. |
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| 174 | * Input 2 : FMI_Data: the needed data. |
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| 175 | * Output : None |
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| 176 | * Return : None |
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| 177 | *******************************************************************************/ |
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| 178 | void FMI_WriteHalfWord(u32 FMI_Address, u16 FMI_Data) |
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| 179 | { |
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| 180 | /* Write a program command to the sector to be written */ |
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| 181 | *(vu16 *)(FMI_Address & 0xFFFFFFFC) = 0x40; |
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| 182 | |||
| 183 | /* Write the halfword to the destination address */ |
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| 184 | *(vu16 *)FMI_Address = FMI_Data; |
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| 185 | } |
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| 186 | |||
| 187 | /******************************************************************************* |
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| 188 | * Function Name : FMI_WriteOTPHalfWord |
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| 189 | * Description : Write a halfword to the needed OTP sector address. |
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| 190 | * Input 1 : FMI_OTPHWAddress: specifies the halfword address offset |
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| 191 | * where the data will be written. |
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| 192 | * This parameter can be one of the following values: |
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| 193 | * - FMI_OTP_LOW_HALFWORD_0: OTP Low halfword 0. |
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| 194 | * - FMI_OTP_HIGH_HALFWORD_0: OTP High halfword 0. |
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| 195 | * - FMI_OTP_LOW_HALFWORD_1: OTP Low halfword 1. |
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| 196 | * - FMI_OTP_HIGH_HALFWORD_1: OTP High halfword 1. |
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| 197 | * - FMI_OTP_LOW_HALFWORD_2: OTP Low halfword 2. |
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| 198 | * - FMI_OTP_HIGH_HALFWORD_2: OTP High halfword 2. |
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| 199 | * - FMI_OTP_LOW_HALFWORD_3: OTP Low halfword 3. |
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| 200 | * - FMI_OTP_HIGH_HALFWORD_3: OTP High halfword 3. |
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| 201 | * - FMI_OTP_LOW_HALFWORD_4: OTP Low halfword 4. |
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| 202 | * - FMI_OTP_HIGH_HALFWORD_4: OTP High halfword 4. |
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| 203 | * - FMI_OTP_LOW_HALFWORD_5: OTP Low halfword 5. |
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| 204 | * - FMI_OTP_HIGH_HALFWORD_5: OTP High halfword 5. |
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| 205 | * - FMI_OTP_LOW_HALFWORD_6: OTP Low halfword 6. |
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| 206 | * - FMI_OTP_HIGH_HALFWORD_6: OTP High halfword 6. |
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| 207 | * - FMI_OTP_LOW_HALFWORD_7: OTP Low halfword 7. |
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| 208 | * - FMI_OTP_HIGH_HALFWORD_7: OTP High halfword 7. |
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| 209 | * Input 2 : FMI_OTPData: The needed OTP data. |
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| 210 | * Output : None |
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| 211 | * Return : None |
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| 212 | *******************************************************************************/ |
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| 213 | void FMI_WriteOTPHalfWord(u8 FMI_OTPHWAddress, u16 FMI_OTPData) |
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| 214 | { |
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| 215 | /* Write a write OTP command to the needed address */ |
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| 216 | *(vu16 *)(FMI_BANK_1) = 0xC0; |
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| 217 | |||
| 218 | /* Write the halfword to the destination address */ |
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| 219 | *(vu16 *)(FMI_BANK_1 + FMI_OTPHWAddress) = FMI_OTPData; |
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| 220 | } |
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| 221 | |||
| 222 | /******************************************************************************* |
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| 223 | * Function Name : FMI_ReadWord |
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| 224 | * Description : Read the correspondent data. |
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| 225 | * Input : FMI_Address: specifies the needed address. |
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| 226 | * Output : None |
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| 227 | * Return : The data contained in the specified address. |
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| 228 | *******************************************************************************/ |
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| 229 | u32 FMI_ReadWord(u32 FMI_Address) |
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| 230 | { |
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| 231 | return(*(u32*)FMI_Address); |
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| 232 | } |
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| 233 | |||
| 234 | /******************************************************************************* |
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| 235 | * Function Name : FMI_ReadOTPData |
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| 236 | * Description : Read data from the OTP sector. |
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| 237 | * Input : FMI_OTPAddress: specifies the address of the data to be read. |
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| 238 | * This parameter can be one of the following values: |
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| 239 | * - FMI_OTP_WORD_0: FMI bank 0 sector 0. |
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| 240 | * - FMI_OTP_WORD_1: FMI bank 0 sector 1. |
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| 241 | * - FMI_OTP_WORD_2: FMI bank 0 sector 2. |
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| 242 | * - FMI_OTP_WORD_3: FMI bank 0 sector 3. |
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| 243 | * - FMI_OTP_WORD_4: FMI bank 0 sector 4. |
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| 244 | * - FMI_OTP_WORD_5: FMI bank 0 sector 5. |
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| 245 | * - FMI_OTP_WORD_6: FMI bank 0 sector 6. |
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| 246 | * - FMI_OTP_WORD_7: FMI bank 0 sector 7. |
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| 247 | * Output : None |
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| 248 | * Return : The needed OTP words. |
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| 249 | *******************************************************************************/ |
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| 250 | u32 FMI_ReadOTPData(u8 FMI_OTPAddress) |
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| 251 | { |
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| 252 | u32 OTP_Data = 0x0; |
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| 253 | /* write a read OTP sector command */ |
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| 254 | *(vu16 *)(FMI_BANK_1) = 0x98; |
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| 255 | |||
| 256 | /* Read the correspondent data */ |
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| 257 | OTP_Data = (*(vu32*)(FMI_BANK_1 + FMI_OTPAddress)); |
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| 258 | |||
| 259 | /* Write a read array command */ |
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| 260 | *(vu16 *)(FMI_BANK_1) = 0xFF; |
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| 261 | |||
| 262 | return OTP_Data; |
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| 263 | } |
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| 264 | |||
| 265 | /******************************************************************************* |
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| 266 | * Function Name : FMI_GetFlagStatus |
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| 267 | * Description : Check whether the specified FMI flag is set or not. |
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| 268 | * Input1 : FMI_Flag: flag to check. |
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| 269 | * This parameter can be one of the following values: |
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| 270 | * - FMI_FLAG_SPS: Sector Protection Status Flag. |
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| 271 | * - FMI_FLAG_PSS: Program Suspend Status Flag. |
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| 272 | * - FMI_FLAG_PS: Program Status Flag. |
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| 273 | * - FMI_FLAG_ES: Erase Status Flag. |
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| 274 | * - FMI_FLAG_ESS: Erase Suspend Status Flag. |
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| 275 | * - FMI_FLAG_PECS: FPEC Status Flag. |
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| 276 | * Input2 : FMI_Bank: specifies the needed bank. |
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| 277 | * This parameter can be one of the following values: |
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| 278 | * - FMI_BANK_0: FMI bank 0. |
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| 279 | * - FMI_BANK_1: FMI bank 1. |
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| 280 | * Output : None |
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| 281 | * Return : None |
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| 282 | *******************************************************************************/ |
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| 283 | FlagStatus FMI_GetFlagStatus(u8 FMI_Flag, vu32 FMI_Bank) |
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| 284 | { |
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| 285 | u16 FMI_Status_Register = 0; |
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| 286 | |||
| 287 | /* Write a read status register command */ |
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| 288 | *(vu16 *)FMI_Bank = 0x70; |
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| 289 | |||
| 290 | /* Wait until operation completion */ |
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| 291 | while(!((*(vu16 *)FMI_Bank) & 0x80)); |
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| 292 | |||
| 293 | /* Read the status register */ |
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| 294 | FMI_Status_Register = *(vu16 *)FMI_Bank; |
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| 295 | |||
| 296 | /* Write a read array command */ |
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| 297 | *(vu16 *)FMI_Bank = 0xFF; |
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| 298 | |||
| 299 | if((FMI_Status_Register & FMI_Flag) != RESET) |
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| 300 | { |
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| 301 | return SET; |
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| 302 | } |
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| 303 | else |
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| 304 | { |
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| 305 | return RESET; |
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| 306 | } |
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| 307 | } |
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| 308 | |||
| 309 | /******************************************************************************* |
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| 310 | * Function Name : FMI_GetReadWaitStateValue |
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| 311 | * Description : Get the current Read wait state value. |
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| 312 | * Input : None |
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| 313 | * Output : None |
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| 314 | * Return : The current read wait states value. |
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| 315 | *******************************************************************************/ |
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| 316 | u16 FMI_GetReadWaitStateValue(void) |
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| 317 | { |
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| 318 | u16 FMI_Configuration_Register = 0; |
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| 319 | /* Write a read flash configuration register command */ |
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| 320 | *(vu16 *)FMI_BANK_1 = 0x90; |
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| 321 | |||
| 322 | /* Read the flash configuration register */ |
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| 323 | FMI_Configuration_Register = *(vu16 *)(FMI_BANK_1 + 0x14); |
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| 324 | |||
| 325 | /* Write a read array command */ |
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| 326 | *(vu16 *)FMI_BANK_1 = 0xFF; |
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| 327 | |||
| 328 | FMI_Configuration_Register = ((FMI_Configuration_Register>>11) + 1) & 0x3; |
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| 329 | |||
| 330 | /* Return the wait states value */ |
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| 331 | return FMI_Configuration_Register; |
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| 332 | } |
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| 333 | |||
| 334 | /******************************************************************************* |
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| 335 | * Function Name : FMI_GetWriteWaitStateValue |
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| 336 | * Description : Get the current write wait state value. |
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| 337 | * Input : None |
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| 338 | * Output : None |
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| 339 | * Return : The current write wait states value. |
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| 340 | *******************************************************************************/ |
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| 341 | u16 FMI_GetWriteWaitStateValue(void) |
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| 342 | { |
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| 343 | return ((u16)((FMI->CR & 0x100) >> 8)); |
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| 344 | } |
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| 345 | |||
| 346 | /******************************************************************************* |
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| 347 | * Function Name : FMI_SuspendEnable |
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| 348 | * Description : Suspend command enable. |
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| 349 | * Input : FMI_Bank: specifies the bank to be suspended. |
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| 350 | * This parameter can be one of the following values: |
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| 351 | * - FMI_BANK_0: FMI bank 0. |
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| 352 | * - FMI_BANK_1: FMI bank 1. |
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| 353 | * Output : None |
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| 354 | * Return : None |
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| 355 | *******************************************************************************/ |
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| 356 | void FMI_SuspendEnable(vu32 FMI_Bank) |
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| 357 | { |
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| 358 | /* Write a suspend command to the bank */ |
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| 359 | *(vu16 *)FMI_Bank = 0xB0; |
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| 360 | } |
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| 361 | |||
| 362 | /******************************************************************************* |
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| 363 | * Function Name : FMI_ResumeEnable |
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| 364 | * Description : Resume the suspended command. |
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| 365 | * Input : FMI_Bank: specifies the suspended bank. |
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| 366 | * This parameter can be one of the following values: |
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| 367 | * - FMI_BANK_0: FMI bank 0. |
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| 368 | * - FMI_BANK_1: FMI bank 1. |
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| 369 | * Output : None |
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| 370 | * Return : None |
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| 371 | *******************************************************************************/ |
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| 372 | void FMI_ResumeEnable(vu32 FMI_Bank) |
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| 373 | { |
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| 374 | /* Write a resume command to the bank */ |
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| 375 | *(vu16 *)FMI_Bank = 0xD0; |
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| 376 | } |
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| 377 | |||
| 378 | /******************************************************************************* |
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| 379 | * Function Name : FMI_ClearFlag |
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| 380 | * Description : Clear the FMI Flags on the correspondent bank. |
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| 381 | * Input : FMI_Bank: specifies the needed bank. |
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| 382 | * This parameter can be one of the following values: |
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| 383 | * - FMI_BANK_0: FMI bank 0. |
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| 384 | * - FMI_BANK_1: FMI bank 1. |
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| 385 | * Output : None |
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| 386 | * Return : None |
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| 387 | *******************************************************************************/ |
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| 388 | void FMI_ClearFlag(vu32 FMI_Bank) |
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| 389 | { |
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| 390 | /* Write a clear status register command */ |
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| 391 | *(vu16 *)FMI_Bank = 0x50; |
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| 392 | } |
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| 393 | |||
| 394 | /******************************************************************************* |
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| 395 | * Function Name : FMI_WriteProtectionCmd |
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| 396 | * Description : Enable or disable the write protection for the needed sector. |
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| 397 | * Input1 : FMI_Sector: specifies the sector to be protected or |
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| 398 | * unprotected. |
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| 399 | * This parameter can be one of the following values: |
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| 400 | * - FMI_B0S0: FMI bank 0 sector 0. |
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| 401 | * - FMI_B0S1: FMI bank 0 sector 1. |
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| 402 | * - FMI_B0S2: FMI bank 0 sector 2. |
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| 403 | * - FMI_B0S3: FMI bank 0 sector 3. |
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| 404 | * - FMI_B0S4: FMI bank 0 sector 4. |
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| 405 | * - FMI_B0S5: FMI bank 0 sector 5. |
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| 406 | * - FMI_B0S6: FMI bank 0 sector 6. |
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| 407 | * - FMI_B0S7: FMI bank 0 sector 7. |
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| 408 | * - FMI_B1S0: FMI bank 1 sector 0. |
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| 409 | * - FMI_B1S1: FMI bank 1 sector 1. |
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| 410 | * - FMI_B1S2: FMI bank 1 sector 2. |
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| 411 | * - FMI_B1S3: FMI bank 1 sector 3. |
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| 412 | * Input2 : FMI_NewState: specifies the protection status. |
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| 413 | * This parameter can be one of the following values: |
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| 414 | * - ENABLE: Enable the protection. |
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| 415 | * - DISABLE: Disable the protection. |
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| 416 | * Output : None |
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| 417 | * Return : None |
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| 418 | *******************************************************************************/ |
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| 419 | void FMI_WriteProtectionCmd(vu32 FMI_Sector, FunctionalState FMI_NewState) |
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| 420 | { |
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| 421 | if (FMI_NewState == ENABLE) |
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| 422 | { |
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| 423 | *(vu16*)FMI_Sector = 0x60; |
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| 424 | *(vu16*)FMI_Sector = 0x01; |
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| 425 | *(vu16*)FMI_Sector = 0xFF; |
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| 426 | } |
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| 427 | else /* DISABLE */ |
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| 428 | { |
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| 429 | *(vu16*)FMI_Sector = 0x60; |
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| 430 | *(vu16*)FMI_Sector = 0xD0; |
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| 431 | *(vu16*)FMI_Sector = 0xFF; |
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| 432 | } |
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| 433 | } |
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| 434 | |||
| 435 | /******************************************************************************* |
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| 436 | * Function Name : FMI_GetWriteProtectionStatus |
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| 437 | * Description : Get the write protection status for the needed sector. |
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| 438 | * Input : FMI_Sector_Mask: specifies the needed sector mask. |
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| 439 | * This parameter can be one of the following values: |
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| 440 | * - FMI_B0S0_MASK: FMI bank 0 sector 0. |
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| 441 | * - FMI_B0S1_MASK: FMI bank 0 sector 1. |
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| 442 | * - FMI_B0S2_MASK: FMI bank 0 sector 2. |
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| 443 | * - FMI_B0S3_MASK: FMI bank 0 sector 3. |
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| 444 | * - FMI_B0S4_MASK: FMI bank 0 sector 4. |
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| 445 | * - FMI_B0S5_MASK: FMI bank 0 sector 5. |
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| 446 | * - FMI_B0S6_MASK: FMI bank 0 sector 6. |
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| 447 | * - FMI_B0S7_MASK: FMI bank 0 sector 7. |
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| 448 | * - FMI_B1S0_MASK: FMI bank 1 sector 0. |
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| 449 | * - FMI_B1S1_MASK: FMI bank 1 sector 1. |
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| 450 | * - FMI_B1S2_MASK: FMI bank 1 sector 2. |
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| 451 | * - FMI_B1S3_MASK: FMI bank 1 sector 3. |
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| 452 | * Output : None |
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| 453 | * Return : The Protection Status of the needed sector. |
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| 454 | * - RESET: The needed sector is not write protected. |
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| 455 | * - SET : The needed sector is write protected. |
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| 456 | *******************************************************************************/ |
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| 457 | FlagStatus FMI_GetWriteProtectionStatus(u32 FMI_Sector_Mask) |
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| 458 | { |
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| 459 | u16 Protection_Level_1_Register = 0; |
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| 460 | /* Write a read flash protection level 1 register command */ |
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| 461 | *(vu16 *)FMI_BANK_1 = 0x90; |
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| 462 | |||
| 463 | /* Read the flash protection level 1 register */ |
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| 464 | Protection_Level_1_Register = *(vu16 *)(FMI_BANK_1 + 0x10); |
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| 465 | |||
| 466 | /* Write a read array command */ |
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| 467 | *(vu16 *)FMI_BANK_1 = 0xFF; |
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| 468 | |||
| 469 | if (Protection_Level_1_Register &= FMI_Sector_Mask) |
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| 470 | { |
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| 471 | return SET; |
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| 472 | } |
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| 473 | else |
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| 474 | { |
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| 475 | return RESET; |
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| 476 | } |
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| 477 | } |
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| 478 | |||
| 479 | /******************************************************************************* |
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| 480 | * Function Name : FMI_WaitForLastOperation |
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| 481 | * Description : Wait until the last operation (Write halfword, Write OTP |
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| 482 | * halfword, Erase sector and Erase bank) completion. |
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| 483 | * Input : FMI_Bank: specifies the bank where the operation is on going. |
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| 484 | * This parameter can be one of the following values: |
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| 485 | * - FMI_BANK_0: FMI bank 0. |
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| 486 | * - FMI_BANK_1: FMI bank 1. |
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| 487 | * Output : None |
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| 488 | * Return : The timeout status. |
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| 489 | * This parameter can be one of the following values: |
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| 490 | * - FMI_TIME_OUT_ERROR: Timeout error occurred. |
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| 491 | * - FMI_NO_TIME_OUT_ERROR: No timeout error. |
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| 492 | *******************************************************************************/ |
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| 493 | u8 FMI_WaitForLastOperation(vu32 FMI_Bank) |
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| 494 | { |
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| 495 | u32 Time_Out = 0; |
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| 496 | |||
| 497 | /* Write a read status register command */ |
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| 498 | *(vu16 *)(FMI_Bank) = 0x70; |
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| 499 | |||
| 500 | /* Wait until operation compeletion */ |
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| 501 | while((!((*(vu16 *)FMI_Bank) & 0x80))&&(Time_Out < TIMEOUT )) |
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| 502 | { |
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| 503 | Time_Out ++; /* Time Out */ |
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| 504 | } |
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| 505 | |||
| 506 | /* Write a read array command */ |
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| 507 | *(vu16 *)FMI_Bank = 0xFF; |
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| 508 | |||
| 509 | if (Time_Out == TIMEOUT) |
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| 510 | { |
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| 511 | return FMI_TIME_OUT_ERROR; |
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| 512 | } |
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| 513 | else |
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| 514 | { |
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| 515 | return FMI_NO_TIME_OUT_ERROR; |
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| 516 | } |
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| 517 | } |
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| 518 | |||
| 519 | |||
| 520 | /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/ |