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Set Mirtoo clock configuration 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4856 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2012-06-20 20:27:00 +00:00
parent 524b08c3fc
commit a5f5b07158
2 changed files with 7 additions and 7 deletions
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12
nuttx/configs/mirtoo/include/board.h
View File

@ -68,11 +68,11 @@
*/ */
#define BOARD_PLL_INPUT BOARD_FRC_FREQ #define BOARD_PLL_INPUT BOARD_FRC_FREQ
#define BOARD_PLL_IDIV 2 /* PLL input divider */ #define BOARD_PLL_IDIV 2 /* PLL input divider: Input = 4MHz */
#define BOARD_PLL_MULT 20 /* PLL multiplier */ #define BOARD_PLL_MULT 20 /* PLL multiplier: PLL = 80MHz */
#define BOARD_PLL_ODIV 1 /* PLL output divider */ #define BOARD_PLL_ODIV 2 /* PLL output divider: Output = 40MHz */
#define BOARD_CPU_CLOCK 80000000 /* CPU clock (80MHz = 8MHz * 20 / 2) */ #define BOARD_CPU_CLOCK 40000000 /* CPU clock 40MHz = (((8MHz / 2) * 20) / 2) */
/* USB PLL configuration. /* USB PLL configuration.
* USB_CLOCK = ((POSC_XTAL / IDIV) * 24) / 2 * USB_CLOCK = ((POSC_XTAL / IDIV) * 24) / 2
@ -85,8 +85,8 @@
* PBCLOCK = CPU_CLOCK / PBDIV * PBCLOCK = CPU_CLOCK / PBDIV
*/ */
#define BOARD_PBDIV 2 /* Peripheral clock divisor (PBDIV) */ #define BOARD_PBDIV 1 /* Peripheral clock divisor (PBDIV) */
#define BOARD_PBCLOCK 40000000 /* Peripheral clock (PBCLK = 80MHz/2) */ #define BOARD_PBCLOCK 40000000 /* Peripheral clock (PBCLK = 40MHz/1) */
/* Watchdog pre-scaler (re-visit) */ /* Watchdog pre-scaler (re-visit) */

2
nuttx/configs/mirtoo/ostest/ld.script
View File

@ -76,7 +76,7 @@ MEMORY
kseg1_intexcpt (rx) : ORIGIN = 0xbfc00400, LENGTH = 128 kseg1_intexcpt (rx) : ORIGIN = 0xbfc00400, LENGTH = 128
kseg1_dbgexcpt (rx) : ORIGIN = 0xbfc00480, LENGTH = 16 kseg1_dbgexcpt (rx) : ORIGIN = 0xbfc00480, LENGTH = 16
kseg0_bootmem (rx) : ORIGIN = 0x9fc00490, LENGTH = 3072-1168-16 kseg0_bootmem (rx) : ORIGIN = 0x9fc00490, LENGTH = 3072-1168-16
kseg1_devcfg (r) : ORIGIN = 0x1fc00bf0, LENGTH = 16 kseg1_devcfg (r) : ORIGIN = 0xbfc00bf0, LENGTH = 16
/* The PIC32MX250F128D has 32Kb of data memory at physical address /* The PIC32MX250F128D has 32Kb of data memory at physical address
* 0x00000000. Since the PIC32MX has no data cache, this memory is * 0x00000000. Since the PIC32MX has no data cache, this memory is