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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-12-29 15:31:29 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-12-29 15:31:29 +0000 |
commit | 51846872434e33843cea4a86e7d551deefe17118 (patch) | |
tree | 5c531d10a9bc1db9716d0e0b13d187219fb14422 /nuttx/arch/arm/src | |
parent | 921354e696e169dbda5f80f2c090837a2453e9c4 (diff) | |
download | px4-nuttx-51846872434e33843cea4a86e7d551deefe17118.tar.gz px4-nuttx-51846872434e33843cea4a86e7d551deefe17118.tar.bz2 px4-nuttx-51846872434e33843cea4a86e7d551deefe17118.zip |
Add SDRAM initialization
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2454 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src')
-rwxr-xr-x | nuttx/arch/arm/src/lpc313x/lpc313x_boot.c | 1 | ||||
-rwxr-xr-x | nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h | 4 | ||||
-rwxr-xr-x | nuttx/arch/arm/src/lpc313x/lpc313x_mpmc.h | 22 |
3 files changed, 25 insertions, 2 deletions
diff --git a/nuttx/arch/arm/src/lpc313x/lpc313x_boot.c b/nuttx/arch/arm/src/lpc313x/lpc313x_boot.c index 7900791c4..9f85f4f13 100755 --- a/nuttx/arch/arm/src/lpc313x/lpc313x_boot.c +++ b/nuttx/arch/arm/src/lpc313x/lpc313x_boot.c @@ -46,6 +46,7 @@ #include "arm.h" #include "up_internal.h" #include "up_arch.h" +#include "lpc313x_internal.h" /************************************************************************************ * Private Types diff --git a/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h b/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h index 671b71d53..d1472aaac 100755 --- a/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h +++ b/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h @@ -5,8 +5,8 @@ * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * References: - * - UM10314 LPC3130/31 User manual Rev. 1.01 — 9 September 2009 - * - lpc313x.cdl.drivers.zip example driver code + * - NXP UM10314 LPC3130/31 User manual Rev. 1.01 — 9 September 2009 + * - NXP lpc313x.cdl.drivers.zip example driver code * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions diff --git a/nuttx/arch/arm/src/lpc313x/lpc313x_mpmc.h b/nuttx/arch/arm/src/lpc313x/lpc313x_mpmc.h index fe0ab2731..773250754 100755 --- a/nuttx/arch/arm/src/lpc313x/lpc313x_mpmc.h +++ b/nuttx/arch/arm/src/lpc313x/lpc313x_mpmc.h @@ -241,6 +241,28 @@ #define MPMC_DYNCONFIG0_AM (1 << 14) /* Bit 14: Address mapping */ #define MPMC_DYNCONFIG0_AM_SHIFT (7) /* Bits 7-12: Address mapping */ #define MPMC_DYNCONFIG0_AM_MASK (0x3c << MPMC_DYNCONFIG0_AM_SHIFT) + /* 16-bit external bus high-performance address mapping */ +# define MPMC_DYNCONFIG_HP16_2MX8 (0x00 << MPMC_DYNCONFIG0_AM_SHIFT) /* 16Mb (2Mx8), 2 banks, row length=11, column length=9 */ +# define MPMC_DYNCONFIG_HP16_1MX16 (0x01 << MPMC_DYNCONFIG0_AM_SHIFT) /* 16Mb (1Mx16), 2 banks, row length=11, column length=8 */ +# define MPMC_DYNCONFIG_HP16_8MX8 (0x04 << MPMC_DYNCONFIG0_AM_SHIFT) /* 64Mb (8Mx8), 4 banks, row length=12, column length=9 */ +# define MPMC_DYNCONFIG_HP16_4MX16 (0x05 << MPMC_DYNCONFIG0_AM_SHIFT) /* 64Mb (4Mx16), 4 banks, row length=12, column length=8 */ +# define MPMC_DYNCONFIG_HP16_16MX8 (0x08 << MPMC_DYNCONFIG0_AM_SHIFT) /* 128Mb (16Mx8), 4 banks, row length=12, column length=10 */ +# define MPMC_DYNCONFIG_HP16_8MX16 (0x09 << MPMC_DYNCONFIG0_AM_SHIFT) /* 128Mb (8Mx16), 4 banks, row length=12, column length=9 */ +# define MPMC_DYNCONFIG_HP16_32MX8 (0x0c << MPMC_DYNCONFIG0_AM_SHIFT) /* 256Mb (32Mx8), 4 banks, row length=13, column length=10 */ +# define MPMC_DYNCONFIG_HP16_16MX16 (0x0d << MPMC_DYNCONFIG0_AM_SHIFT) /* 256Mb (16Mx16), 4 banks, row length=13, column length=9 */ +# define MPMC_DYNCONFIG_HP16_64MX8 (0x10 << MPMC_DYNCONFIG0_AM_SHIFT) /* 512Mb (64Mx8), 4 banks, row length=13, column length=11 */ +# define MPMC_DYNCONFIG_HP16_32MX16 (0x11 << MPMC_DYNCONFIG0_AM_SHIFT) /* 512Mb (32Mx16), 4 banks, row length=13, column length=10 */ + /* 16-bit external bus low power SDRAM address mapping */ +# define MPMC_DYNCONFIG_LP16_2MX8 (0x20 << MPMC_DYNCONFIG0_AM_SHIFT) /* 6Mb (2Mx8), 2 banks, row length=11, column length=9 */ +# define MPMC_DYNCONFIG_LP16_1MX16 (0x21 << MPMC_DYNCONFIG0_AM_SHIFT) /* 16Mb (1Mx16), 2 banks, row length=11, column length=8 */ +# define MPMC_DYNCONFIG_LP16_8MX8 (0x24 << MPMC_DYNCONFIG0_AM_SHIFT) /* 64Mb (8Mx8), 4 banks, row length=12, column length=9 */ +# define MPMC_DYNCONFIG_LP16_4MX16 (0x25 << MPMC_DYNCONFIG0_AM_SHIFT) /* 64Mb (4Mx16), 4 banks, row length=12, column length=8 */ +# define MPMC_DYNCONFIG_LP16_16MX8 (0x28 << MPMC_DYNCONFIG0_AM_SHIFT) /* 128Mb (16Mx8), 4 banks, row length=12, column length=10 */ +# define MPMC_DYNCONFIG_LP16_8MX16 (0x29 << MPMC_DYNCONFIG0_AM_SHIFT) /* 128Mb (8Mx16), 4 banks, row length=12, column length=9 */ +# define MPMC_DYNCONFIG_LP16_32MX8 (0x2c << MPMC_DYNCONFIG0_AM_SHIFT) /* 256Mb (32Mx8), 4 banks, row length=13, column length=10 */ +# define MPMC_DYNCONFIG_LP16_16MX16 (0x2d << MPMC_DYNCONFIG0_AM_SHIFT) /* 256Mb (16Mx16), 4 banks, row length=13, column length=9 */ +# define MPMC_DYNCONFIG_LP16_64MX8 (0x30 << MPMC_DYNCONFIG0_AM_SHIFT) /* 512Mb (64Mx8), 4 banks, row length=13, column length=11 */ +# define MPMC_DYNCONFIG_LP16_32MX16 (0x31 << MPMC_DYNCONFIG0_AM_SHIFT) /* 512Mb (32Mx16), 4 banks, row length=13, column length=10 */ #define MPMC_DYNCONFIG0_MD_SHIFT (3) /* Bits 3-4: Memory device */ #define MPMC_DYNCONFIG0_MD_MASK (3 << MPMC_DYNCONFIG0_MD_SHIFT) # define MPMC_DYNCONFIG0_MDSDRAM (0 << MPMC_DYNCONFIG0_MD_SHIFT) /* SDRAM */ |