diff options
Diffstat (limited to 'arch/blackfin/mach-bf548/include/mach/mem_init.h')
| -rw-r--r-- | arch/blackfin/mach-bf548/include/mach/mem_init.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf548/include/mach/mem_init.h b/arch/blackfin/mach-bf548/include/mach/mem_init.h new file mode 100644 index 000000000000..ab0b863eee66 --- /dev/null +++ b/arch/blackfin/mach-bf548/include/mach/mem_init.h @@ -0,0 +1,255 @@ +/* + * File: include/asm-blackfin/mach-bf548/mem_init.h + * Based on: + * Author: + * + * Created: + * Description: + * + * Rev: + * + * Modified: + * Copyright 2004-2006 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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, 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; see the file COPYING. + * If not, write to the Free Software Foundation, + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#define MIN_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000 + 1) +#define MAX_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000) +#define DDR_CLK_HZ(x) (1000*1000*1000/x) + +#if (CONFIG_MEM_MT46V32M16_6T) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 +#define DDR_MAX_tCK 13 + +#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(60)) +#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(42)) +#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15)) +#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(72)) +#define DDR_tREFI DDR_TREFI(MAX_DDR_SCLK(7800)) + +#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15)) +#define DDR_tWTR DDR_TWTR(1) +#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(12)) +#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15)) +#endif + +#if (CONFIG_MEM_MT46V32M16_5B) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 +#define DDR_MAX_tCK 13 + +#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(55)) +#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(40)) +#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15)) +#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(70)) +#define DDR_tREFI DDR_TREFI(MAX_DDR_SCLK(7800)) + +#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15)) +#define DDR_tWTR DDR_TWTR(2) +#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(10)) +#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15)) +#endif + +#if (CONFIG_MEM_GENERIC_BOARD) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 +#define DDR_MAX_tCK 13 + +#define DDR_tRCD DDR_TRCD(3) +#define DDR_tWTR DDR_TWTR(2) +#define DDR_tWR DDR_TWR(2) +#define DDR_tMRD DDR_TMRD(2) +#define DDR_tRP DDR_TRP(3) +#define DDR_tRAS DDR_TRAS(7) +#define DDR_tRC DDR_TRC(10) +#define DDR_tRFC DDR_TRFC(12) +#define DDR_tREFI DDR_TREFI(1288) +#endif + +#if (CONFIG_SCLK_HZ < DDR_CLK_HZ(DDR_MAX_tCK)) +# error "CONFIG_SCLK_HZ is too small (<DDR_CLK_HZ(DDR_MAX_tCK) Hz)." +#elif(CONFIG_SCLK_HZ <= 133333333) +# define DDR_CL CL_2 +#else +# error "CONFIG_SCLK_HZ is too large (>133333333 Hz)." +#endif + + +#define mem_DDRCTL0 (DDR_tRP | DDR_tRAS | DDR_tRC | DDR_tRFC | DDR_tREFI) +#define mem_DDRCTL1 (DDR_DATWIDTH | EXTBANK_1 | DDR_SIZE | DDR_WIDTH | DDR_tWTR \ + | DDR_tMRD | DDR_tWR | DDR_tRCD) +#define mem_DDRCTL2 DDR_CL + + +#if defined CONFIG_CLKIN_HALF +#define CLKIN_HALF 1 +#else +#define CLKIN_HALF 0 +#endif + +#if defined CONFIG_PLL_BYPASS +#define PLL_BYPASS 1 +#else +#define PLL_BYPASS 0 +#endif + +/***************************************Currently Not Being Used *********************************/ +#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) |