Mercurial > ecos
view packages/hal/sh/sh3/current/include/mod_regs_cpg.h @ 134:d2f49caf9e38 ecos-sw-2000-11-03
Merge from eCos master repository on 2000-11-03-09:00:49-GMT
| author | jlarmour |
|---|---|
| date | Fri, 03 Nov 2000 21:17:40 +0000 |
| parents | |
| children | e0c0827131d1 |
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//============================================================================= // // mod_regs_cpg.h // // CPG (clock pulse generator) Module register definitions // //============================================================================= //####COPYRIGHTBEGIN#### // // ------------------------------------------- // The contents of this file are subject to the Red Hat eCos Public License // Version 1.1 (the "License"); you may not use this file except in // compliance with the License. You may obtain a copy of the License at // http://www.redhat.com/ // // Software distributed under the License is distributed on an "AS IS" // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the // License for the specific language governing rights and limitations under // the License. // // The Original Code is eCos - Embedded Configurable Operating System, // released September 30, 1998. // // The Initial Developer of the Original Code is Red Hat. // Portions created by Red Hat are // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. // All Rights Reserved. // ------------------------------------------- // //####COPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // // Author(s): jskov // Contributors:jskov // Date: 2000-10-30 // //####DESCRIPTIONEND#### // //============================================================================= //-------------------------------------------------------------------------- // Oscillator control registers #define CYGARC_REG_FRQCR 0xffffff80 #define CYGARC_REG_WTCNT 0xffffff84 // read 8bit, write 16bit #define CYGARC_REG_WTCSR 0xffffff86 // read 8bit, write 16bit #define CYGARC_REG_WTCNT_WRITE 0x5a00 // top 8bit value for write #define CYGARC_REG_WTCSR_WRITE 0xa500 // top 8bit value for write #define CYGARC_REG_WTCSR_TME 0x80 // timer enable #define CYGARC_REG_WTCSR_WT_IT 0x40 // watchdog(1)/interval(0) #define CYGARC_REG_WTCSR_RSTS 0x20 // manual(1)/poweron(0) #define CYGARC_REG_WTCSR_WOVF 0x10 // watchdog overflow #define CYGARC_REG_WTCSR_IOVF 0x08 // interval overflow #define CYGARC_REG_WTCSR_CKS2 0x04 // clock select 2 #define CYGARC_REG_WTCSR_CKS1 0x02 // clock select 1 #define CYGARC_REG_WTCSR_CKS0 0x01 // clock select 0 #define CYGARC_REG_WTCSR_CKSx_MASK 0x07 // clock select mask // This is the period (in us) between watchdog reset and overflow. // Note: We use max timeout delay for now. #define CYGARC_REG_WTCSR_CKSx_SETTING 0x07 // max delay #define CYGARC_REG_WTCSR_PERIOD ((1000000000/(CYGHWR_HAL_SH_ONCHIP_PERIPHERAL_SPEED/4096))*256) // Translate various CDL clock configurations to register equivalents // for the various CPG versions #if (CYGARC_SH_MOD_CPG == 1) // ---------------------------- V1 // PLL1 #if (CYGHWR_HAL_SH_OOC_PLL_1 == 0) || (CYGHWR_HAL_SH_OOC_PLL_1 == 1) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0000 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 2) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0010 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 4) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0020 #else # error "Unsupported PLL1 setting" #endif // Divider1 #if (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 1) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0000 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 2) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0004 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 4) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0008 #else # error "Unsupported Divider1 setting" #endif // Divider2 #if (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 1) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0000 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 2) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0001 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 4) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0002 #else # error "Unsupported Divider1 setting" #endif // CKOEN - set in all modes but 7 #if (CYGHWR_HAL_SH_OOC_CLOCK_MODE != 7) # define CYGARC_REG_FRQCR_INIT_CKOEN 0x0100 #else # define CYGARC_REG_FRQCR_INIT_CKOEN 0x0000 #endif #elif (CYGARC_SH_MOD_CPG == 2) // ---------------------------- V2 // PLL1 #if (CYGHWR_HAL_SH_OOC_PLL_1 == 0) || (CYGHWR_HAL_SH_OOC_PLL_1 == 1) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0000 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 2) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0010 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 4) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0020 #else # error "Unsupported PLL1 setting" #endif // Divider1 #if (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 1) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0000 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 2) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0004 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 4) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0008 #else # error "Unsupported Divider1 setting" #endif // Divider2 #if (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 1) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0000 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 2) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0001 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 4) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0002 #else # error "Unsupported Divider1 setting" #endif // CKOEN - set in all modes but 2 #if (CYGHWR_HAL_SH_OOC_CLOCK_MODE != 2) # define CYGARC_REG_FRQCR_INIT_CKOEN 0x0100 #else # define CYGARC_REG_FRQCR_INIT_CKOEN 0x0000 #endif #elif (CYGARC_SH_MOD_CPG == 3) // ---------------------------- V3 // PLL1 #if (CYGHWR_HAL_SH_OOC_PLL_1 == 0) || (CYGHWR_HAL_SH_OOC_PLL_1 == 1) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0000 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 2) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0010 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 3) # define CYGARC_REG_FRQCR_INIT_PLL1 0x8000 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 4) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0020 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 6) # define CYGARC_REG_FRQCR_INIT_PLL1 0x8010 #elif (CYGHWR_HAL_SH_OOC_PLL_1 == 8) # define CYGARC_REG_FRQCR_INIT_PLL1 0x0030 #else # error "Unsupported PLL1 setting" #endif // Divider1 #if (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 1) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0000 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 2) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0004 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 3) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x4000 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 4) # define CYGARC_REG_FRQCR_INIT_DIVIDER1 0x0008 #else # error "Unsupported Divider1 setting" #endif // Divider2 #if (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 1) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0000 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 2) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0001 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 3) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x2000 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 4) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x0002 #elif (CYGHWR_HAL_SH_OOC_DIVIDER_2 == 6) # define CYGARC_REG_FRQCR_INIT_DIVIDER2 0x2002 #else # error "Unsupported Divider2 setting" #endif // CKOEN - set in modes 0-2 #if (CYGHWR_HAL_SH_OOC_CLOCK_MODE <= 2) # define CYGARC_REG_FRQCR_INIT_CKOEN 0x0100 #else # define CYGARC_REG_FRQCR_INIT_CKOEN 0x0000 #endif #else # error "Unsupported CPG version" #endif // Init value #define CYGARC_REG_FRQCR_INIT (CYGARC_REG_FRQCR_INIT_PLL1|CYGARC_REG_FRQCR_INIT_DIVIDER1|CYGARC_REG_FRQCR_INIT_DIVIDER2|CYGARC_REG_FRQCR_INIT_CKOEN)