hal_platform_setup.h

eCos/RedBoot for勤研ARM AnywhereII(4510) 含全部源代码

//==========================================================================
//
//      hal_platform_setup.h
//
//
//
//==========================================================================
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    Sonys <[e-mail]>
// Contributors: 
// Date:         2004-09-15
// Purpose:      
// Description:  
//              
// Copyright (C) 2004 DevBone Software. All rights reserved.
//####DESCRIPTIONEND####
//==========================================================================
#ifndef CYGONCE_HAL_PLATFORM_SETUP_H
#define CYGONCE_HAL_PLATFORM_SETUP_H

#include <cyg/hal/plf_io.h>

#define CYGHWR_LED_MACRO                                                  \
        ldr     r0,=KS32C_IOPDATA                                        ;\
        mov     r1, #((255 & (~(\x))))                                   ;\
        str     r1, [r0]                                                 ;
 
#if CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE==4096
// Override default to a more sensible value
#undef  CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE
#define CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE 2048
#endif

// Use relative branch since we are going to switch the address space
// around.
#define CYGSEM_HAL_ROM_RESET_USES_JUMP

#if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
#define PLATFORM_SETUP1                                                    \
        ldr     r1,=KS32C_IOPMOD                                          ;\
        ldr     r2,=0xff /* set led display to output */                  ;\
        str     r2,[r1,#0x00]                                             ;\
        LED     0xaa                                                      ;\
                                                                           \
        /* Sync DRAM mode */                                              ;\
        LED 0x81                                                          ;\
        ldr     r3, =0x83ffff90 /* sdram c+wb disabled, regs @ 0x03ff0000 */;\
        ldr     r0, =KS32C_SYSCFG                                         ;\
        str     r3,[r0]                                                   ;\
        ldr     lr,=99f                                                   ;\
1:      mov     r1,pc                                                     ;\
        sub     r1,r1,#8                                                  ;\
        ldr     r0,=1b                                                    ;\
        sub     r1,r1,r0                                                  ;\
        ldr     r0,=40f                                                   ;\
        add     r0,r0,r1                                                  ;\
        ldmia   r0,{r1-r12}                                               ;\
        ldr     r0,=KS32C_EXTDBWTH                                        ;\
        stmia   r0,{r1-r12}                                               ;\
        mov     pc,lr                                                     ;\
                                                                          ;\
        /* The below are set with a store-multiple instruction */         ;\
                                                                          ;\
        /* Sync DRAM setup */                                             ;\
        /* Flash is 16 bit, everything else 32 bit */                     ;\
        /* .long   KS32C_EXTDBWTH */                                      ;\
40:     .long  ( (KS32C_EXTDBWTH_16BIT<<KS32C_EXTDBWTH_DSR0_shift)         \
                |(KS32C_EXTDBWTH_16BIT<<KS32C_EXTDBWTH_DSR1_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR2_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR3_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR4_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR5_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD0_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD1_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD2_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD3_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX0_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX1_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX2_shift)         \
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX3_shift) )      ;\
        /* Flash at 0x01800000-0x01880000, 5 cycles, 7 cycles */          ;\
        /* .long   KS32C_ROMCON0 */                                       ;\
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
                |(KS32C_ROMCON_TPA_5C)                                     \
                |(KS32C_ROMCON_TACC_7C)                                    \
                |((0x01800000 >> 16) << KS32C_ROMCON_BASE_shift)           \
                |((0x01a00000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
        /* .long   KS32C_ROMCON1 */                                       ;\
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
                |(KS32C_ROMCON_TPA_5C)                                     \
                |(KS32C_ROMCON_TACC_5C)                                    \
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
        /* .long   KS32C_ROMCON2 */                                       ;\
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
                |(KS32C_ROMCON_TPA_5C)                                     \
                |(KS32C_ROMCON_TACC_5C)                                    \
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
        /* .long   KS32C_ROMCON3 */                                       ;\
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
                |(KS32C_ROMCON_TPA_5C)                                     \
                |(KS32C_ROMCON_TACC_5C)                                    \
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
        /* .long   KS32C_ROMCON4 */                                       ;\
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
                |(KS32C_ROMCON_TPA_5C)                                     \
                |(KS32C_ROMCON_TACC_5C)                                    \
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
        /* .long   KS32C_ROMCON5 */                                       ;\
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
                |(KS32C_ROMCON_TPA_5C)                                     \
                |(KS32C_ROMCON_TACC_5C)                                    \
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
        /* .long   KS32C_DRAMCON0 */                                      ;\
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
                |(KS32C_DRAMCON_CAN_8)                                     \
                |(KS32C_DRAMCON_TRP_4C)                                    \
                |(KS32C_DRAMCON_TRC_2C)                                    \
                |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
                |((0x01000000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
        /* .long   KS32C_DRAMCON1 */                                      ;\
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
                |(KS32C_DRAMCON_CAN_8)                                     \
                |(KS32C_DRAMCON_TRP_2C)                                    \
                |(KS32C_DRAMCON_TRC_2C)                                    \
                |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
                |((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
        /* .long   KS32C_DRAMCON2 */                                      ;\
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
                |(KS32C_DRAMCON_CAN_8)                                     \
                |(KS32C_DRAMCON_TRP_2C)                                    \
                |(KS32C_DRAMCON_TRC_2C)                                    \
                |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
                |((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
        /* .long   KS32C_DRAMCON3 */                                      ;\
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
                |(KS32C_DRAMCON_CAN_8)                                     \
                |(KS32C_DRAMCON_TRP_2C)                                    \
                |(KS32C_DRAMCON_TRC_2C)                                    \
                |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
                |((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
        /* .long   KS32C_REFEXTCON */                                     ;\
        .long  (((2048+1-(8*CYGNUM_HAL_CPUCLOCK/1000000)) << KS32C_REFEXTCON_RCV_shift) \
                 |(KS32C_REFEXTCON_TRC_4C)                                 \
                 |(KS32C_REFEXTCON_REN)                                    \
                 |(KS32C_REFEXTCON_VSF)                                    \
                 |(KS32C_REFEXTCON_BASE))                                 ;\
99:     LED 0x82                                                          ;\
        ldr     r3,=0x00000000                                            ;\
        str     r3,[r3]                                                   ;\
        ldr     r4,[r3]                                                   ;\
        cmp     r4,r3                                                     ;\
        beq     15f                                                       ;\
11:     LED 0x83                                                          ;\
        b 11b                                                             ;\
15:     LED 0x84
#else
#define PLATFORM_SETUP1
#endif

//-----------------------------------------------------------------------------
// end of hal_platform_setup.h
#endif // CYGONCE_HAL_PLATFORM_SETUP_H