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integrate SPI EEPROM

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This commit is contained in:
notaz 2017-09-22 02:00:50 +03:00
parent 8c2137f11f
commit 6a47c2d4fb
4 changed files with 33 additions and 13 deletions
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21
pico/carthw/carthw.c
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@ -8,6 +8,7 @@
#include "../pico_int.h"
#include "../memory.h"
#include "eeprom_spi.h"
/* The SSFII mapper */
@ -270,6 +271,7 @@ static carthw_state_chunk carthw_pier_state[] =
{
{ CHUNK_CARTHW, sizeof(pier_regs), pier_regs },
{ CHUNK_CARTHW + 1, sizeof(pier_dump_prot), &pier_dump_prot },
{ CHUNK_CARTHW + 2, 0, NULL }, // filled later
{ 0, 0, NULL }
};
@ -308,7 +310,8 @@ static void carthw_pier_write8(u32 a, u32 d)
base = d << 19;
goto do_map;
case 0x09:
// TODO
SRam.changed = 1;
eeprom_spi_write(d);
break;
case 0x0b:
// eeprom read
@ -346,7 +349,7 @@ static u32 carthw_pier_read8(u32 a)
return PicoRead8_io(a);
if (a == 0xa1300b)
return 0; // TODO
return eeprom_spi_read(a);
elprintf(EL_UIO, "pier r8 [%06x] @%06x", a, SekPc);
return 0;
@ -415,10 +418,13 @@ static void carthw_pier_reset(void)
pier_regs[1] = pier_regs[2] = pier_regs[3] = 0;
pier_dump_prot = 3;
carthw_pier_statef();
eeprom_spi_init(NULL);
}
void carthw_pier_startup(void)
{
void *eeprom_state;
int eeprom_size = 0;
int i;
elprintf(EL_STATUS, "Pier Solar mapper startup");
@ -434,6 +440,16 @@ void carthw_pier_startup(void)
for (i = 0; i < M68K_BANK_SIZE; i += 0x8000)
memcpy(Pico.rom + Pico.romsize + i, Pico.rom, 0x8000);
// save EEPROM
eeprom_state = eeprom_spi_init(&eeprom_size);
SRam.flags = 0;
SRam.size = 0x10000;
SRam.data = calloc(1, SRam.size);
if (!SRam.data)
SRam.size = 0;
carthw_pier_state[2].ptr = eeprom_state;
carthw_pier_state[2].size = eeprom_size;
PicoCartMemSetup = carthw_pier_mem_setup;
PicoResetHook = carthw_pier_reset;
PicoLoadStateHook = carthw_pier_statef;
@ -679,3 +695,4 @@ void carthw_prot_lk3_startup(void)
PicoCartMemSetup = carthw_prot_lk3_mem_setup;
}
// vim:ts=2:sw=2:expandtab