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u-boot/include/asm-blackfin/mem_init.h

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/*
* U-boot - mem_init.h Header file for memory initialization
*
* Copyright (c) 2005-2007 Analog Devices Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#if (CONFIG_MEM_MT48LC16M16A2TG_75 || \
CONFIG_MEM_MT48LC64M4A2FB_7E || \
CONFIG_MEM_MT48LC16M8A2TG_75 || \
CONFIG_MEM_MT48LC8M16A2TG_7E || \
CONFIG_MEM_MT48LC8M32B2B5_7 || \
CONFIG_MEM_MT48LC32M8A2_75)
#if ( CONFIG_SCLK_HZ > 119402985 )
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_7
#define SDRAM_tRAS_num 7
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if ( CONFIG_SCLK_HZ > 104477612 ) && ( CONFIG_SCLK_HZ <= 119402985 )
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_6
#define SDRAM_tRAS_num 6
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if ( CONFIG_SCLK_HZ > 89552239 ) && ( CONFIG_SCLK_HZ <= 104477612 )
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_5
#define SDRAM_tRAS_num 5
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if ( CONFIG_SCLK_HZ > 74626866 ) && ( CONFIG_SCLK_HZ <= 89552239 )
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_4
#define SDRAM_tRAS_num 4
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if ( CONFIG_SCLK_HZ > 66666667 ) && ( CONFIG_SCLK_HZ <= 74626866 )
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_3
#define SDRAM_tRAS_num 3
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if ( CONFIG_SCLK_HZ > 59701493 ) && ( CONFIG_SCLK_HZ <= 66666667 )
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_3
#define SDRAM_tRAS_num 3
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if ( CONFIG_SCLK_HZ > 44776119 ) && ( CONFIG_SCLK_HZ <= 59701493 )
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_3
#define SDRAM_tRAS_num 3
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if ( CONFIG_SCLK_HZ > 29850746 ) && ( CONFIG_SCLK_HZ <= 44776119 )
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_2
#define SDRAM_tRAS_num 2
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if ( CONFIG_SCLK_HZ <= 29850746 )
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_1
#define SDRAM_tRAS_num 1
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#endif
#if (CONFIG_MEM_MT48LC16M16A2TG_75)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if (CONFIG_MEM_MT48LC64M4A2FB_7E)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_2
#endif
#if (CONFIG_MEM_MT48LC16M8A2TG_75)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if (CONFIG_MEM_MT48LC32M8A2_75)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if (CONFIG_MEM_MT48LC8M16A2TG_7E)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_2
#endif
#if (CONFIG_MEM_MT48LC8M32B2B5_7)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if ( CONFIG_MEM_SIZE == 128 )
#define SDRAM_SIZE EBSZ_128
#endif
#if ( CONFIG_MEM_SIZE == 64 )
#define SDRAM_SIZE EBSZ_64
#endif
#if ( CONFIG_MEM_SIZE == 32 )
#define SDRAM_SIZE EBSZ_32
#endif
#if ( CONFIG_MEM_SIZE == 16 )
#define SDRAM_SIZE EBSZ_16
#endif
#if ( CONFIG_MEM_ADD_WDTH == 11 )
#define SDRAM_WIDTH EBCAW_11
#endif
#if ( CONFIG_MEM_ADD_WDTH == 10 )
#define SDRAM_WIDTH EBCAW_10
#endif
#if ( CONFIG_MEM_ADD_WDTH == 9 )
#define SDRAM_WIDTH EBCAW_9
#endif
#if ( CONFIG_MEM_ADD_WDTH == 8 )
#define SDRAM_WIDTH EBCAW_8
#endif
#define mem_SDBCTL SDRAM_WIDTH | SDRAM_SIZE | EBE
/* Equation from section 17 (p17-46) of BF533 HRM */
#define mem_SDRRC ((( CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num)
/* Enable SCLK Out */
#define mem_SDGCTL ( SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS )
#define flash_EBIU_AMBCTL_WAT ( ( CONFIG_FLASH_SPEED_BWAT * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) + 1
#define flash_EBIU_AMBCTL_RAT ( ( CONFIG_FLASH_SPEED_BRAT * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) + 1
#define flash_EBIU_AMBCTL_HT ( ( CONFIG_FLASH_SPEED_BHT * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) )
#define flash_EBIU_AMBCTL_ST ( ( CONFIG_FLASH_SPEED_BST * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) + 1
#define flash_EBIU_AMBCTL_TT ( ( CONFIG_FLASH_SPEED_BTT * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) + 1
#if (flash_EBIU_AMBCTL_TT > 3 )
#define flash_EBIU_AMBCTL0_TT B0TT_4
#endif
#if (flash_EBIU_AMBCTL_TT == 3 )
#define flash_EBIU_AMBCTL0_TT B0TT_3
#endif
#if (flash_EBIU_AMBCTL_TT == 2 )
#define flash_EBIU_AMBCTL0_TT B0TT_2
#endif
#if (flash_EBIU_AMBCTL_TT < 2 )
#define flash_EBIU_AMBCTL0_TT B0TT_1
#endif
#if (flash_EBIU_AMBCTL_ST > 3 )
#define flash_EBIU_AMBCTL0_ST B0ST_4
#endif
#if (flash_EBIU_AMBCTL_ST == 3 )
#define flash_EBIU_AMBCTL0_ST B0ST_3
#endif
#if (flash_EBIU_AMBCTL_ST == 2 )
#define flash_EBIU_AMBCTL0_ST B0ST_2
#endif
#if (flash_EBIU_AMBCTL_ST < 2 )
#define flash_EBIU_AMBCTL0_ST B0ST_1
#endif
#if (flash_EBIU_AMBCTL_HT > 2 )
#define flash_EBIU_AMBCTL0_HT B0HT_3
#endif
#if (flash_EBIU_AMBCTL_HT == 2 )
#define flash_EBIU_AMBCTL0_HT B0HT_2
#endif
#if (flash_EBIU_AMBCTL_HT == 1 )
#define flash_EBIU_AMBCTL0_HT B0HT_1
#endif
#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0)
#define flash_EBIU_AMBCTL0_HT B0HT_0
#endif
#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0)
#define flash_EBIU_AMBCTL0_HT B0HT_1
#endif
#if (flash_EBIU_AMBCTL_WAT > 14)
#define flash_EBIU_AMBCTL0_WAT B0WAT_15
#endif
#if (flash_EBIU_AMBCTL_WAT == 14)
#define flash_EBIU_AMBCTL0_WAT B0WAT_14
#endif
#if (flash_EBIU_AMBCTL_WAT == 13)
#define flash_EBIU_AMBCTL0_WAT B0WAT_13
#endif
#if (flash_EBIU_AMBCTL_WAT == 12)
#define flash_EBIU_AMBCTL0_WAT B0WAT_12
#endif
#if (flash_EBIU_AMBCTL_WAT == 11)
#define flash_EBIU_AMBCTL0_WAT B0WAT_11
#endif
#if (flash_EBIU_AMBCTL_WAT == 10)
#define flash_EBIU_AMBCTL0_WAT B0WAT_10
#endif
#if (flash_EBIU_AMBCTL_WAT == 9)
#define flash_EBIU_AMBCTL0_WAT B0WAT_9
#endif
#if (flash_EBIU_AMBCTL_WAT == 8)
#define flash_EBIU_AMBCTL0_WAT B0WAT_8
#endif
#if (flash_EBIU_AMBCTL_WAT == 7)
#define flash_EBIU_AMBCTL0_WAT B0WAT_7
#endif
#if (flash_EBIU_AMBCTL_WAT == 6)
#define flash_EBIU_AMBCTL0_WAT B0WAT_6
#endif
#if (flash_EBIU_AMBCTL_WAT == 5)
#define flash_EBIU_AMBCTL0_WAT B0WAT_5
#endif
#if (flash_EBIU_AMBCTL_WAT == 4)
#define flash_EBIU_AMBCTL0_WAT B0WAT_4
#endif
#if (flash_EBIU_AMBCTL_WAT == 3)
#define flash_EBIU_AMBCTL0_WAT B0WAT_3
#endif
#if (flash_EBIU_AMBCTL_WAT == 2)
#define flash_EBIU_AMBCTL0_WAT B0WAT_2
#endif
#if (flash_EBIU_AMBCTL_WAT == 1)
#define flash_EBIU_AMBCTL0_WAT B0WAT_1
#endif
#if (flash_EBIU_AMBCTL_RAT > 14)
#define flash_EBIU_AMBCTL0_RAT B0RAT_15
#endif
#if (flash_EBIU_AMBCTL_RAT == 14)
#define flash_EBIU_AMBCTL0_RAT B0RAT_14
#endif
#if (flash_EBIU_AMBCTL_RAT == 13)
#define flash_EBIU_AMBCTL0_RAT B0RAT_13
#endif
#if (flash_EBIU_AMBCTL_RAT == 12)
#define flash_EBIU_AMBCTL0_RAT B0RAT_12
#endif
#if (flash_EBIU_AMBCTL_RAT == 11)
#define flash_EBIU_AMBCTL0_RAT B0RAT_11
#endif
#if (flash_EBIU_AMBCTL_RAT == 10)
#define flash_EBIU_AMBCTL0_RAT B0RAT_10
#endif
#if (flash_EBIU_AMBCTL_RAT == 9)
#define flash_EBIU_AMBCTL0_RAT B0RAT_9
#endif
#if (flash_EBIU_AMBCTL_RAT == 8)
#define flash_EBIU_AMBCTL0_RAT B0RAT_8
#endif
#if (flash_EBIU_AMBCTL_RAT == 7)
#define flash_EBIU_AMBCTL0_RAT B0RAT_7
#endif
#if (flash_EBIU_AMBCTL_RAT == 6)
#define flash_EBIU_AMBCTL0_RAT B0RAT_6
#endif
#if (flash_EBIU_AMBCTL_RAT == 5)
#define flash_EBIU_AMBCTL0_RAT B0RAT_5
#endif
#if (flash_EBIU_AMBCTL_RAT == 4)
#define flash_EBIU_AMBCTL0_RAT B0RAT_4
#endif
#if (flash_EBIU_AMBCTL_RAT == 3)
#define flash_EBIU_AMBCTL0_RAT B0RAT_3
#endif
#if (flash_EBIU_AMBCTL_RAT == 2)
#define flash_EBIU_AMBCTL0_RAT B0RAT_2
#endif
#if (flash_EBIU_AMBCTL_RAT == 1)
#define flash_EBIU_AMBCTL0_RAT B0RAT_1
#endif
#define flash_EBIU_AMBCTL0 flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN
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