Merge branch 'untested'
This commit is contained in:
Mariano Alvira
commit
99c91d7e3e
18
Makefile
18
Makefile
@ -46,7 +46,7 @@ AOBJS =
|
||||
COBJS = $(patsubst %.c,%.o,$(wildcard src/*.c))
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TESTS = $(wildcard tests/*.c)
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TARGETS = $(patsubst %.c,%.o,$(TESTS))
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||||
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#TARGETS = tests/blink-white.o
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# Add GCC lib
|
||||
PLATFORM_LIBS += --no-warn-mismatch -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
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@ -54,11 +54,15 @@ PLATFORM_LIBS += --no-warn-mismatch -L $(shell dirname `$(CC) $(CFLAGS) -print-l
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#########################################################################
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|
||||
#ALL = blink.srec blink.bin blink.dis blink.System.map
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ALL = $(TARGETS) $(TESTS:.c=.srec) $(TESTS:.c=.bin) $(TESTS:.c=.dis)
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ALL = $(TESTS:.c=.srec) $(TESTS:.c=.bin) $(TESTS:.c=.dis)
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.PRECIOUS: $(COBJS) $(TARGETS) $(TESTS:.c=.obj)
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all: $(COBJS) $(ALL)
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all: src/start.o $(ALL)
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|
||||
tests/nvm-read.obj: src/maca.o
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||||
tests/rftest-rx.obj: src/maca.o
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tests/rftest-tx.obj: src/maca.o
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||||
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%.srec: %.obj
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||||
$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
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@ -70,12 +74,12 @@ all: $(COBJS) $(ALL)
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$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
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|
||||
%.dis: %.obj
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||||
$(OBJDUMP) -DS $< > $@
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$(OBJDUMP) -D $< > $@
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||||
|
||||
%.obj: $(AOBJS) $(COBJS) $(TARGETS) $(LDSCRIPT)
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||||
$(LD) $(LDFLAGS) $(AOBJS) $(COBJS) \
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||||
%.obj: $(LDSCRIPT) %.o
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||||
$(LD) $(LDFLAGS) $(AOBJS) \
|
||||
--start-group $(PLATFORM_LIBS) --end-group \
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||||
-Map $*.map $*.o -o $@
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||||
-Map $*.map $^ -o $@
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||||
|
||||
|
||||
%.System.map: %.obj
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||||
|
||||
2
boot.lds
2
boot.lds
@ -32,7 +32,7 @@ SECTIONS
|
||||
. = ALIGN(4);
|
||||
.text :
|
||||
{
|
||||
*(startup)
|
||||
src/start.o (.text)
|
||||
*(.text)
|
||||
}
|
||||
|
||||
|
||||
@ -26,7 +26,7 @@
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||||
# clean the slate ...
|
||||
PLATFORM_LDFLAGS =
|
||||
PLATFORM_RELFLAGS = -fno-strict-aliasing -fno-common -ffixed-r8 -msoft-float
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||||
PLATFORM_CPPFLAGS = -march=armv4 -mtune=arm7tdmi -DCONFIG_ARM -D__ARM__
|
||||
PLATFORM_CPPFLAGS = -march=armv4t -mcallee-super-interworking -mthumb -mtune=arm7tdmi-s -mthumb-interwork -DCONFIG_ARM -D__ARM__
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TEXT_BASE = 0x00400000
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||||
|
||||
#########################################################################
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||||
|
||||
118
doc/ws-dis
118
doc/ws-dis
@ -5402,8 +5402,8 @@ Disassembly of section P2:
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||||
4031a0: 0040544c .word 0x0040544c
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|
||||
004031a4 <SMAC_InitExecuteEntry>:
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4031a4: 6801 ldr r1, [r0, #0] // r1 gets where r0 points
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4031a6: 1d00 adds r0, r0, #4 // increment pointer by 4 bytes
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4031a4: 6801 ldr r1, [r0, #0] // r1 gets where r0 points r1 = *r0
|
||||
4031a6: 1d00 adds r0, r0, #4 // increment pointer by 4 bytes r0 += 4
|
||||
4031a8: 4a17 ldr r2, [pc, #92] (403208 <SMAC_InitExecuteEntry+0x64>) //r2 gets 403208: 00140001 .word 0x00140001
|
||||
4031aa: 4291 cmp r1, r2 // compare r1 with r2
|
||||
4031ac: d303 bcc.n 4031b6 <SMAC_InitExecuteEntry+0x12> //branch to 1: if lower
|
||||
@ -5415,41 +5415,53 @@ Disassembly of section P2:
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||||
4031b8: d215 bcs.n 4031e6 <SMAC_InitExecuteEntry+0x42> // branch to 2: if high or equal
|
||||
4031ba: 2900 cmp r1, #0 // check if zero (r1 is address?)
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4031bc: d106 bne.n 4031cc <SMAC_InitExecuteEntry+0x28> // branch to 3: to if != 0
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||||
4031be: 6800 ldr r0, [r0, #0]
|
||||
4031be: 6800 ldr r0, [r0, #0] // if == 0 do delay
|
||||
4031c0: 0880 lsrs r0, r0, #2
|
||||
4031c2: 0001 lsls r1, r0, #0
|
||||
4031c4: 1e48 subs r0, r1, #1
|
||||
4031c6: 2900 cmp r1, #0
|
||||
4031c8: d1fb bne.n 4031c2 <SMAC_InitExecuteEntry+0x1e>
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||||
4031ca: e7f2 b.n 4031b2 <SMAC_InitExecuteEntry+0xe>
|
||||
4031cc: 2901 cmp r1, #1 // 3:
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||||
4031ce: d118 bne.n 403202 <SMAC_InitExecuteEntry+0x5e>
|
||||
4031d0: 6802 ldr r2, [r0, #0]
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||||
4031d2: 6841 ldr r1, [r0, #4]
|
||||
4031d4: 3008 adds r0, #8
|
||||
4031d6: 680b ldr r3, [r1, #0]
|
||||
4031d8: 4393 bics r3, r2
|
||||
4031da: 6800 ldr r0, [r0, #0]
|
||||
4031dc: 4002 ands r2, r0
|
||||
4031de: 431a orrs r2, r3
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||||
4031e0: 600a str r2, [r1, #0]
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||||
4031e2: 2004 movs r0, #4
|
||||
4031ca: e7f2 b.n 4031b2 <SMAC_InitExecuteEntry+0xe>
|
||||
4031cc: 2901 cmp r1, #1 // at this point r1 is between 1 and 15 inclusive
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4031ce: d118 bne.n 403202 <SMAC_InitExecuteEntry+0x5e> // if !=1 return
|
||||
|
||||
0x00000001 command
|
||||
0xaaaaaaaa
|
||||
0xbbbbbbbb
|
||||
0xcccccccc
|
||||
|
||||
4031d0: 6802 ldr r2, [r0, #0] // r2 = 0xaaaaaaaa
|
||||
4031d2: 6841 ldr r1, [r0, #4] // r1 = 0xbbbbbbbb
|
||||
4031d4: 3008 adds r0, #8 // r0 points to c
|
||||
4031d6: 680b ldr r3, [r1, #0] // r3 = *0xbbbbbbbb
|
||||
4031d8: 4393 bics r3, r2 // r3 = *0xbbbbbbbb & ~(0xaaaaaaaa)
|
||||
4031da: 6800 ldr r0, [r0, #0] // r0 = 0xcccccccc
|
||||
4031dc: 4002 ands r2, r0 // r2 &= r0
|
||||
4031de: 431a orrs r2, r3 // r2 = (0xaaaaaaaa & 0xcccccccc) | (*0xbbbbbbbb & ~(0xaaaaaaaa))
|
||||
4031e0: 600a str r2, [r1, #0] // store back in B
|
||||
|
||||
uint32_t buf[]
|
||||
if (buf[0] == 0x00000001) {
|
||||
*buf[2] = (*buf[2] & ~buf[1]) | (buf[3] & buf[1]);
|
||||
}
|
||||
|
||||
4031e2: 2004 movs r0, #4 // return 4 bytes processed
|
||||
4031e4: 4770 bx lr
|
||||
4031e6: 4a09 ldr r2, [pc, #36] (40320c <SMAC_InitExecuteEntry+0x68>) //2:
|
||||
4031e8: 4291 cmp r1, r2
|
||||
4031ea: d20a bcs.n 403202 <SMAC_InitExecuteEntry+0x5e>
|
||||
4031e6: 4a09 ldr r2, [pc, #36] (40320c <SMAC_InitExecuteEntry+0x68>) //2: r2=0x0000fff1
|
||||
4031e8: 4291 cmp r1, r2 // r1 >=16
|
||||
4031ea: d20a bcs.n 403202 <SMAC_InitExecuteEntry+0x5e> // if r1 >= 0xfff1 then return 0
|
||||
4031ec: 4a08 ldr r2, [pc, #32] (403210 <SMAC_InitExecuteEntry+0x6c>)
|
||||
4031ee: 4291 cmp r1, r2
|
||||
4031f0: d007 beq.n 403202 <SMAC_InitExecuteEntry+0x5e>
|
||||
4031f2: 0909 lsrs r1, r1, #4
|
||||
4031f4: 1e49 subs r1, r1, #1
|
||||
4031f6: 0609 lsls r1, r1, #24
|
||||
4031ee: 4291 cmp r1, r2 //
|
||||
4031f0: d007 beq.n 403202 <SMAC_InitExecuteEntry+0x5e> if 0xe0f (end of file) return 0
|
||||
4031f2: 0909 lsrs r1, r1, #4 // r1 = r1>>4
|
||||
4031f4: 1e49 subs r1, r1, #1 // r1 = r1 - 1
|
||||
4031f6: 0609 lsls r1, r1, #24 // mask
|
||||
4031f8: 0e09 lsrs r1, r1, #24
|
||||
4031fa: 4a06 ldr r2, [pc, #24] (403214 <SMAC_InitExecuteEntry+0x70>)
|
||||
4031fc: 6800 ldr r0, [r0, #0]
|
||||
4031fe: 5450 strb r0, [r2, r1]
|
||||
4031fa: 4a06 ldr r2, [pc, #24] (403214 <SMAC_InitExecuteEntry+0x70>) r2 = &u8RamValues
|
||||
4031fc: 6800 ldr r0, [r0, #0] // r0 = next value in buffer 2nd half of pair
|
||||
4031fe: 5450 strb r0, [r2, r1] // store this in u8RamValues
|
||||
403200: e7d7 b.n 4031b2 <SMAC_InitExecuteEntry+0xe>
|
||||
403202: 2000 movs r0, #0
|
||||
403202: 2000 movs r0, #0 // return 0
|
||||
403204: 4770 bx lr
|
||||
403206: 46c0 nop (mov r8, r8)
|
||||
403208: 00140001 .word 0x00140001
|
||||
@ -5506,42 +5518,52 @@ Disassembly of section P2:
|
||||
40327a: 4288 cmp r0, r1
|
||||
40327c: d105 bne.n 40328a <SMAC_InitFromFlash+0x72> //branch to 2: if !=
|
||||
40327e: a802 add r0, sp, #8
|
||||
403280: 88c1 ldrh r1, [r0, #6]
|
||||
403280: 88c1 ldrh r1, [r0, #6] // sp+8 0x00000abc sp+12 0x0100 03fc r1 = 0x0100 = 256
|
||||
403282: 22ff movs r2, #255
|
||||
403284: 1c92 adds r2, r2, #2
|
||||
403286: 4291 cmp r1, r2
|
||||
403288: d303 bcc.n 403292 <SMAC_InitFromFlash+0x7a>
|
||||
40328a: 2001 movs r0, #1 // 2:
|
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403286: 4291 cmp r1, r2 // compare r1 to 257
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403288: d303 bcc.n 403292 <SMAC_InitFromFlash+0x7a> // if r1 < 257 (it is) goto 3:
|
||||
40328a: 2001 movs r0, #1 // 2: if r1 > 256 lock flash and return 0
|
||||
40328c: f403 fefa bl 7084 <NVM_SetSVar>
|
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403290: e7e0 b.n 403254 <SMAC_InitFromFlash+0x3c>
|
||||
403292: 2408 movs r4, #8
|
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403294: 8885 ldrh r5, [r0, #4]
|
||||
403296: 1f2d subs r5, r5, #4
|
||||
403298: e006 b.n 4032a8 <SMAC_InitFromFlash+0x90>
|
||||
|
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403292: 2408 movs r4, #8 // 3: r4 = 8
|
||||
403294: 8885 ldrh r5, [r0, #4] // r5 = 0x03fc
|
||||
403296: 1f2d subs r5, r5, #4 // r5 = r5 - 4 = 0x03f8
|
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403298: e006 b.n 4032a8 <SMAC_InitFromFlash+0x90> // goto 4:
|
||||
|
||||
// top of loop
|
||||
40329a: a806 add r0, sp, #24
|
||||
40329c: f7ff ff82 bl 4031a4 <SMAC_InitExecuteEntry> // so it looks like flash has entries it exectues...
|
||||
4032a0: 2800 cmp r0, #0
|
||||
4032a2: d00f beq.n 4032c4 <SMAC_InitFromFlash+0xac>
|
||||
4032a4: 0080 lsls r0, r0, #2
|
||||
4032a6: 1824 adds r4, r4, r0
|
||||
4032a8: 42ac cmp r4, r5
|
||||
4032a2: d00f beq.n 4032c4 <SMAC_InitFromFlash+0xac> // if executeentry returned 0, goto 6:
|
||||
4032a4: 0080 lsls r0, r0, #2 // r0 = return value from executeentry * 4
|
||||
4032a6: 1824 adds r4, r4, r0 // add number of bytes executed to r4
|
||||
|
||||
4032a8: 42ac cmp r4, r5 // 4: if r4 >= r5 goto unlock_exit
|
||||
4032aa: d210 bcs.n 4032ce <SMAC_InitFromFlash+0xb6>
|
||||
4032ac: 2010 movs r0, #16
|
||||
|
||||
4032ac: 2010 movs r0, #16 // 16 bytes = 4 commands
|
||||
4032ae: b501 push {r0, lr}
|
||||
4032b0: 1933 adds r3, r6, r4
|
||||
4032b2: aa08 add r2, sp, #32
|
||||
4032b0: 1933 adds r3, r6, r4 // r6=0x1f000 + r4 offset
|
||||
4032b2: aa08 add r2, sp, #32 // buffer is on the stack
|
||||
4032b4: a802 add r0, sp, #8
|
||||
4032b6: 7801 ldrb r1, [r0, #0]
|
||||
4032b8: 2000 movs r0, #0
|
||||
4032b6: 7801 ldrb r1, [r0, #0] // type from nv_detect
|
||||
4032b8: 2000 movs r0, #0 // arg0
|
||||
4032ba: f403 fd55 bl 6d68 <NVM_Read>
|
||||
// err = nvm_read(gNvmInternalInterface_c, type, (uint8_t *)buf, 0x1F000, NBYTES);
|
||||
|
||||
|
||||
4032be: b002 add sp, #8
|
||||
4032c0: 2800 cmp r0, #0
|
||||
4032c2: d0ea beq.n 40329a <SMAC_InitFromFlash+0x82>
|
||||
4032c4: 2001 movs r0, #1
|
||||
4032c2: d0ea beq.n 40329a <SMAC_InitFromFlash+0x82> // if it worked, goto top of loop
|
||||
4032c4: 2001 movs r0, #1 // 6: lock and return
|
||||
4032c6: f403 fedd bl 7084 <NVM_SetSVar>
|
||||
4032ca: 0020 lsls r0, r4, #0
|
||||
4032cc: e003 b.n 4032d6 <SMAC_InitFromFlash+0xbe>
|
||||
4032ce: 2001 movs r0, #1
|
||||
|
||||
|
||||
4032ce: 2001 movs r0, #1 // 5:
|
||||
4032d0: f403 fed8 bl 7084 <NVM_SetSVar>
|
||||
4032d4: 1d20 adds r0, r4, #4
|
||||
4032d6: b00a add sp, #40 //exit:
|
||||
|
||||
@ -407,6 +407,7 @@ typedef union maca_maskirq_reg_tag
|
||||
|
||||
void reset_maca(void);
|
||||
void init_phy(void);
|
||||
void vreg_init(void);
|
||||
void ResumeMACASync(void);
|
||||
void radio_init(void);
|
||||
void set_power(uint8_t power);
|
||||
|
||||
40
include/nvm.h
Normal file
40
include/nvm.h
Normal file
@ -0,0 +1,40 @@
|
||||
#ifndef NVM_H
|
||||
#define NVM_H
|
||||
|
||||
typedef enum
|
||||
{
|
||||
gNvmType_NoNvm_c,
|
||||
gNvmType_SST_c,
|
||||
gNvmType_ST_c,
|
||||
gNvmType_ATM_c,
|
||||
gNvmType_Max_c
|
||||
} nvmType_t;
|
||||
|
||||
|
||||
typedef enum
|
||||
{
|
||||
gNvmErrNoError_c = 0,
|
||||
gNvmErrInvalidInterface_c,
|
||||
gNvmErrInvalidNvmType_c,
|
||||
gNvmErrInvalidPointer_c,
|
||||
gNvmErrWriteProtect_c,
|
||||
gNvmErrVerifyError_c,
|
||||
gNvmErrAddressSpaceOverflow_c,
|
||||
gNvmErrBlankCheckError_c,
|
||||
gNvmErrRestrictedArea_c,
|
||||
gNvmErrMaxError_c
|
||||
} nvmErr_t;
|
||||
|
||||
typedef enum
|
||||
{
|
||||
gNvmInternalInterface_c,
|
||||
gNvmExternalInterface_c,
|
||||
gNvmInterfaceMax_c
|
||||
} nvmInterface_t;
|
||||
|
||||
/* ROM code seems to be THUMB */
|
||||
/* need to be in a THUMB block before calling them */
|
||||
volatile nvmErr_t (*nvm_detect)(nvmInterface_t nvmInterface,nvmType_t* pNvmType) = 0x00006cb9;
|
||||
volatile nvmErr_t (*nvm_read)(nvmInterface_t nvmInterface , nvmType_t nvmType , void *pDest, uint32_t address, uint32_t numBytes) = 0x00006d69;
|
||||
volatile void(*nvm_setsvar)(uint32_t zero_for_awesome) = 0x00007085;
|
||||
#endif //NVM_H
|
||||
@ -1,3 +1,4 @@
|
||||
#include "embedded_types.h"
|
||||
#include "maca.h"
|
||||
|
||||
#define reg(x) (*(volatile uint32_t *)(x))
|
||||
@ -319,9 +320,9 @@ const uint8_t ctov_4c[16] = {
|
||||
|
||||
/* tested good */
|
||||
#define ADDR_CHAN1 0x80009800
|
||||
#define ADDR_CHAN2 ADDR_CHAN1+12
|
||||
#define ADDR_CHAN3 ADDR_CHAN1+16
|
||||
#define ADDR_CHAN4 ADDR_CHAN1+48
|
||||
#define ADDR_CHAN2 (ADDR_CHAN1+12)
|
||||
#define ADDR_CHAN3 (ADDR_CHAN1+16)
|
||||
#define ADDR_CHAN4 (ADDR_CHAN1+48)
|
||||
void set_channel(uint8_t chan) {
|
||||
volatile uint32_t tmp;
|
||||
|
||||
|
||||
208
src/start.S
Normal file
208
src/start.S
Normal file
@ -0,0 +1,208 @@
|
||||
/*
|
||||
* armboot - Startup Code for ARM720 CPU-core
|
||||
*
|
||||
* Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
|
||||
* Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* 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 of
|
||||
* the License, 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; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
*************************************************************************
|
||||
*
|
||||
* Jump vector table as in table 3.1 in [1]
|
||||
*
|
||||
*************************************************************************
|
||||
*/
|
||||
|
||||
|
||||
.set base, .
|
||||
.set _rom_data_init, 0x108d0
|
||||
|
||||
|
||||
.globl _start
|
||||
_start: b _begin
|
||||
ldr pc, _undefined_instruction
|
||||
ldr pc, _software_interrupt
|
||||
ldr pc, _prefetch_abort
|
||||
ldr pc, _data_abort
|
||||
ldr pc, _not_used
|
||||
ldr pc, _irq
|
||||
ldr pc, _fiq
|
||||
|
||||
/* these vectors are used for rom patching */
|
||||
.org 0x20
|
||||
.code 16
|
||||
_RPTV_0_START:
|
||||
bx lr /* do nothing */
|
||||
|
||||
.org 0x60
|
||||
_RPTV_1_START:
|
||||
bx lr /* do nothing */
|
||||
|
||||
.org 0xa0
|
||||
_RPTV_2_START:
|
||||
bx lr /* do nothing */
|
||||
|
||||
.org 0xe0
|
||||
_RPTV_3_START:
|
||||
bx lr /* do nothing */
|
||||
|
||||
.org 0x120
|
||||
ROM_var_start: .word 0
|
||||
.org 0x7ff
|
||||
ROM_var_end: .word 0
|
||||
.code 32
|
||||
.align
|
||||
_begin:
|
||||
bl _rom_data_init+.-base
|
||||
b main
|
||||
|
||||
_undefined_instruction: .word undefined_instruction
|
||||
_software_interrupt: .word software_interrupt
|
||||
_prefetch_abort: .word prefetch_abort
|
||||
_data_abort: .word data_abort
|
||||
_not_used: .word not_used
|
||||
_irq: .word irq
|
||||
_fiq: .word fiq
|
||||
.balignl 16,0xdeadbeef
|
||||
|
||||
|
||||
/*
|
||||
*************************************************************************
|
||||
*
|
||||
* Startup Code (reset vector)
|
||||
*
|
||||
* do important init only if we don't start from memory!
|
||||
* relocate armboot to ram
|
||||
* setup stack
|
||||
* jump to second stage
|
||||
*
|
||||
*************************************************************************
|
||||
*/
|
||||
|
||||
_TEXT_BASE:
|
||||
.word TEXT_BASE
|
||||
|
||||
.globl _armboot_start
|
||||
_armboot_start:
|
||||
.word _start
|
||||
|
||||
/*
|
||||
* These are defined in the board-specific linker script.
|
||||
*/
|
||||
.globl _bss_start
|
||||
_bss_start:
|
||||
.word __bss_start
|
||||
|
||||
.globl _bss_end
|
||||
_bss_end:
|
||||
.word _end
|
||||
|
||||
_start_armboot: .word main
|
||||
|
||||
/*
|
||||
*************************************************************************
|
||||
*
|
||||
* CPU_init_critical registers
|
||||
*
|
||||
*************************************************************************
|
||||
*/
|
||||
|
||||
cpu_init_crit:
|
||||
# actually do nothing for now!
|
||||
mov pc, lr
|
||||
|
||||
|
||||
/*
|
||||
*************************************************************************
|
||||
*
|
||||
* Interrupt handling
|
||||
*
|
||||
*************************************************************************
|
||||
*/
|
||||
|
||||
@
|
||||
@ IRQ stack frame.
|
||||
@
|
||||
#define S_FRAME_SIZE 72
|
||||
|
||||
#define S_OLD_R0 68
|
||||
#define S_PSR 64
|
||||
#define S_PC 60
|
||||
#define S_LR 56
|
||||
#define S_SP 52
|
||||
|
||||
#define S_IP 48
|
||||
#define S_FP 44
|
||||
#define S_R10 40
|
||||
#define S_R9 36
|
||||
#define S_R8 32
|
||||
#define S_R7 28
|
||||
#define S_R6 24
|
||||
#define S_R5 20
|
||||
#define S_R4 16
|
||||
#define S_R3 12
|
||||
#define S_R2 8
|
||||
#define S_R1 4
|
||||
#define S_R0 0
|
||||
|
||||
#define MODE_SVC 0x13
|
||||
#define I_BIT 0x80
|
||||
|
||||
|
||||
.macro get_irq_stack @ setup IRQ stack
|
||||
ldr sp, IRQ_STACK_START
|
||||
.endm
|
||||
|
||||
.macro get_fiq_stack @ setup FIQ stack
|
||||
ldr sp, FIQ_STACK_START
|
||||
.endm
|
||||
|
||||
/*
|
||||
* exception handlers
|
||||
*/
|
||||
.align 5
|
||||
undefined_instruction:
|
||||
|
||||
.align 5
|
||||
software_interrupt:
|
||||
|
||||
.align 5
|
||||
prefetch_abort:
|
||||
nop
|
||||
.align 5
|
||||
data_abort:
|
||||
|
||||
.align 5
|
||||
not_used:
|
||||
|
||||
|
||||
.align 5
|
||||
irq:
|
||||
|
||||
.align 5
|
||||
fiq:
|
||||
|
||||
.align 5
|
||||
|
||||
.globl reset_cpu
|
||||
reset_cpu:
|
||||
mov pc, r0
|
||||
121
tests/nvm-read.c
Normal file
121
tests/nvm-read.c
Normal file
@ -0,0 +1,121 @@
|
||||
#define GPIO_FUNC_SEL0 0x80000018 /* GPIO 15 - 0; 2 bit blocks */
|
||||
|
||||
#define BASE_UART1 0x80005000
|
||||
#define UART1_CON 0x80005000
|
||||
#define UART1_STAT 0x80005004
|
||||
#define UART1_DATA 0x80005008
|
||||
#define UR1CON 0x8000500c
|
||||
#define UT1CON 0x80005010
|
||||
#define UART1_CTS 0x80005014
|
||||
#define UART1_BR 0x80005018
|
||||
|
||||
#define GPIO_PAD_DIR0 0x80000000
|
||||
#define GPIO_DATA0 0x80000008
|
||||
|
||||
#include "embedded_types.h"
|
||||
#include "nvm.h"
|
||||
#include "maca.h"
|
||||
|
||||
#define reg(x) (*(volatile uint32_t *)(x))
|
||||
|
||||
#define DELAY 400000
|
||||
|
||||
void putc(uint8_t c);
|
||||
void puts(uint8_t *s);
|
||||
void put_hex(uint8_t x);
|
||||
void put_hex16(uint16_t x);
|
||||
void put_hex32(uint32_t x);
|
||||
|
||||
const uint8_t hex[16]={'0','1','2','3','4','5','6','7',
|
||||
'8','9','a','b','c','d','e','f'};
|
||||
|
||||
#define NBYTES 1024
|
||||
__attribute__ ((section ("startup")))
|
||||
void main(void) {
|
||||
nvmType_t type=0;
|
||||
nvmErr_t err;
|
||||
uint32_t buf[NBYTES/4];
|
||||
uint32_t i;
|
||||
|
||||
*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000100;
|
||||
|
||||
/* Restore UART regs. to default */
|
||||
/* in case there is still bootloader state leftover */
|
||||
|
||||
reg(UART1_CON) = 0x0000c800; /* mask interrupts, 16 bit sample --- helps explain the baud rate */
|
||||
|
||||
/* INC = 767; MOD = 9999 works: 115200 @ 24 MHz 16 bit sample */
|
||||
#define INC 767
|
||||
#define MOD 9999
|
||||
reg(UART1_BR) = INC<<16 | MOD;
|
||||
|
||||
/* see Section 11.5.1.2 Alternate Modes */
|
||||
/* you must enable the peripheral first BEFORE setting the function in GPIO_FUNC_SEL */
|
||||
/* From the datasheet: "The peripheral function will control operation of the pad IF */
|
||||
/* THE PERIPHERAL IS ENABLED. */
|
||||
reg(UART1_CON) = 0x00000003; /* enable receive and transmit */
|
||||
reg(GPIO_FUNC_SEL0) = ( (0x01 << (14*2)) | (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
|
||||
|
||||
vreg_init();
|
||||
|
||||
// puts("CRM status: 0x");
|
||||
// put_hex32(reg(0x80003018));
|
||||
// puts("\n\r");
|
||||
|
||||
puts("Detecting internal nvm\n\r");
|
||||
|
||||
err = nvm_detect(gNvmInternalInterface_c, &type);
|
||||
|
||||
puts("nvm_detect returned: 0x");
|
||||
put_hex(err);
|
||||
puts(" type is: 0x");
|
||||
put_hex32(type);
|
||||
puts("\n\r");
|
||||
|
||||
nvm_setsvar(0);
|
||||
|
||||
err = nvm_read(gNvmInternalInterface_c, type, (uint8_t *)buf, 0x1F000, NBYTES);
|
||||
puts("nvm_read returned: 0x");
|
||||
put_hex(err);
|
||||
puts("\n\r");
|
||||
|
||||
for(i=0; i<NBYTES/4; i++) {
|
||||
puts("0x");
|
||||
put_hex32(buf[i]);
|
||||
puts("\n\r");
|
||||
}
|
||||
|
||||
|
||||
while(1) {continue;};
|
||||
}
|
||||
|
||||
void putc(uint8_t c) {
|
||||
while(reg(UT1CON)==31); /* wait for there to be room in the buffer */
|
||||
reg(UART1_DATA) = c;
|
||||
}
|
||||
|
||||
void puts(uint8_t *s) {
|
||||
while(s && *s!=0) {
|
||||
putc(*s++);
|
||||
}
|
||||
}
|
||||
|
||||
void put_hex(uint8_t x)
|
||||
{
|
||||
putc(hex[x >> 4]);
|
||||
putc(hex[x & 15]);
|
||||
}
|
||||
|
||||
void put_hex16(uint16_t x)
|
||||
{
|
||||
put_hex((x >> 8) & 0xFF);
|
||||
put_hex((x) & 0xFF);
|
||||
}
|
||||
|
||||
void put_hex32(uint32_t x)
|
||||
{
|
||||
put_hex((x >> 24) & 0xFF);
|
||||
put_hex((x >> 16) & 0xFF);
|
||||
put_hex((x >> 8) & 0xFF);
|
||||
put_hex((x) & 0xFF);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user