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Add/rename/fix ahb stuff

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marcan 2009-03-07 20:15:07 +01:00 committed by bushing
parent 52f2309ef7
commit 526c6d3865
3 changed files with 81 additions and 79 deletions
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140
memory.c
View File

@ -62,79 +62,86 @@ u32 _mc_read32(u32 addr)
return data;
}
void _magic_bullshit(int type) {
void _ahb_flush_to(enum AHBDEV dev) {
u32 mask = 10;
switch(type) {
case 0: mask = 0x8000; break;
case 1: mask = 0x4000; break;
case 2: mask = 0x0001; break;
case 3: mask = 0x0002; break;
case 4: mask = 0x0004; break;
case 5: mask = 0x0008; break;
case 6: mask = 0x0010; break;
case 7: mask = 0x0020; break;
case 8: mask = 0x0040; break;
case 9: mask = 0x0080; break;
case 10: mask = 0x0100; break;
case 11: mask = 0x1000; break;
case 12: mask = 0x0000; break;
switch(dev) {
case AHB_STARLET: mask = 0x8000; break;
case AHB_1: mask = 0x4000; break;
//case 2: mask = 0x0001; break;
case AHB_NAND: mask = 0x0002; break;
//case 4: mask = 0x0004; break;
//case 5: mask = 0x0008; break;
//case 6: mask = 0x0010; break;
//case 7: mask = 0x0020; break;
//case 8: mask = 0x0040; break;
//case 9: mask = 0x0080; break;
//case 10: mask = 0x0100; break;
//case 11: mask = 0x1000; break;
//case 12: mask = 0x0000; break;
default:
gecko_printf("ahb_invalidate(%d): Invalid device\n", dev);
return;
}
//NOTE: 0xd8b000x, not 0xd8b400x!
u32 val = _mc_read32(0xd8b0008);
if(val & mask) {
if((type >= 2) && (type <= 10)) {
while((read32(HW_18C) & 0xF) == 9)
set32(HW_188, 0x10000);
clear32(HW_188, 0x10000);
set32(HW_188, 0x2000000);
mask32(HW_124, 0x7c0, 0x280);
set32(HW_134, 0x400);
while((read32(HW_18C) & 0xF) != 9);
set32(HW_100, 0x400);
set32(HW_104, 0x400);
set32(HW_108, 0x400);
set32(HW_10c, 0x400);
set32(HW_110, 0x400);
set32(HW_114, 0x400);
set32(HW_118, 0x400);
set32(HW_11c, 0x400);
set32(HW_120, 0x400);
write32(0xd8b0008, _mc_read32(0xd8b0008) & (~mask));
write32(0xd8b0008, _mc_read32(0xd8b0008) | mask);
clear32(HW_134, 0x400);
clear32(HW_100, 0x400);
clear32(HW_104, 0x400);
clear32(HW_108, 0x400);
clear32(HW_10c, 0x400);
clear32(HW_110, 0x400);
clear32(HW_114, 0x400);
clear32(HW_118, 0x400);
clear32(HW_11c, 0x400);
clear32(HW_120, 0x400);
clear32(HW_188, 0x2000000);
mask32(HW_124, 0x7c0, 0xc0);
} else {
if((type == 11) || (type == 0) || (type == 1)) {
switch(dev) {
// 2 to 10 in IOS, add more
case AHB_NAND:
while((read32(HW_18C) & 0xF) == 9)
set32(HW_188, 0x10000);
clear32(HW_188, 0x10000);
set32(HW_188, 0x2000000);
mask32(HW_124, 0x7c0, 0x280);
set32(HW_134, 0x400);
while((read32(HW_18C) & 0xF) != 9);
set32(HW_100, 0x400);
set32(HW_104, 0x400);
set32(HW_108, 0x400);
set32(HW_10c, 0x400);
set32(HW_110, 0x400);
set32(HW_114, 0x400);
set32(HW_118, 0x400);
set32(HW_11c, 0x400);
set32(HW_120, 0x400);
write32(0xd8b0008, _mc_read32(0xd8b0008) & (~mask));
write32(0xd8b0008, _mc_read32(0xd8b0008) | mask);
clear32(HW_134, 0x400);
clear32(HW_100, 0x400);
clear32(HW_104, 0x400);
clear32(HW_108, 0x400);
clear32(HW_10c, 0x400);
clear32(HW_110, 0x400);
clear32(HW_114, 0x400);
clear32(HW_118, 0x400);
clear32(HW_11c, 0x400);
clear32(HW_120, 0x400);
clear32(HW_188, 0x2000000);
mask32(HW_124, 0x7c0, 0xc0);
//0, 1, 11 in IOS, add more
case AHB_STARLET:
case AHB_1:
write32(0xd8b0008, val & (~mask));
// wtfux
write32(0xd8b0008, val | mask);
write32(0xd8b0008, val | mask);
write32(0xd8b0008, val | mask);
}
}
}
}
void magic_bullshit(int type)
// invalidate device and then starlet
void ahb_flush_to(enum AHBDEV type)
{
u32 cookie = irq_kill();
_magic_bullshit(type);
_ahb_flush_to(type);
if(type != 0)
_magic_bullshit(0);
_ahb_flush_to(AHB_STARLET);
irq_restore(cookie);
}
void ahb_memflush(enum AHBDEV dev)
// flush device and also invalidate memory
void ahb_flush_from(enum AHBDEV dev)
{
u32 cookie = irq_kill();
u16 req = 0;
@ -143,34 +150,29 @@ void ahb_memflush(enum AHBDEV dev)
switch(dev)
{
case MEMORY:
case AHB_STARLET:
case AHB_1:
req = 1;
break;
case NAND:
case AHB_NAND:
req = 8;
break;
default:
if((dev >= RAW0) && (dev <= RAWF))
{
req = dev - RAW0;
} else {
gecko_printf("ahb_memflush(0x%x): Invalid device\n", dev);
return;
}
break;
gecko_printf("ahb_flush(%d): Invalid device\n", dev);
return;
}
write16(MEM_FLUSHREQ, req);
for(i=0;i<1000000;i++) {
ack = read16(MEM_FLUSHACK);
_magic_bullshit(0);
_ahb_flush_to(AHB_STARLET);
if(ack == req)
break;
}
write16(MEM_FLUSHREQ, 0);
if(i>=1000000) {
gecko_printf("ahb_memflush(%d): Flush (0x%x) did not ack!\n", dev, req);
gecko_printf("ahb_flush(%d): Flush (0x%x) did not ack!\n", dev, req);
}
irq_restore(cookie);
}
@ -186,7 +188,7 @@ void dc_flushrange(const void *start, u32 size)
_dc_flush_entries(start, (end - start) / LINESIZE);
}
_drain_write_buffer();
ahb_memflush(MEMORY);
ahb_flush_from(AHB_1);
irq_restore(cookie);
}
@ -196,7 +198,7 @@ void dc_invalidaterange(void *start, u32 size)
void *end = ALIGN_FORWARD(((u8*)start) + size, LINESIZE);
start = ALIGN_BACKWARD(start, LINESIZE);
_dc_inval_entries(start, (end - start) / LINESIZE);
_magic_bullshit(0);
ahb_flush_to(AHB_STARLET);
irq_restore(cookie);
}
@ -205,7 +207,7 @@ void dc_flushall(void)
u32 cookie = irq_kill();
_dc_flush();
_drain_write_buffer();
ahb_memflush(MEMORY);
ahb_flush_from(AHB_1);
irq_restore(cookie);
}
@ -213,7 +215,7 @@ void ic_invalidateall(void)
{
u32 cookie = irq_kill();
_ic_inval();
_magic_bullshit(0);
ahb_flush_to(AHB_STARLET);
irq_restore(cookie);
}

11
memory.h
View File

@ -10,18 +10,17 @@
((typeof(x))(((u32)(x)) & (~(align-1))))
enum AHBDEV {
MEMORY = 0,
NAND,
RAW0 = 0x100,
RAWF = 0x10F,
AHB_STARLET = 0, //or MEM2??
AHB_1 = 1, //or MEM1??
AHB_NAND = 3,
};
void dc_flushrange(const void *start, u32 size);
void dc_invalidaterange(void *start, u32 size);
void dc_flushall(void);
void ic_invalidateall(void);
void magic_bullshit(int type);
void ahb_memflush(enum AHBDEV dev);
void ahb_flush_from(enum AHBDEV dev);
void ahb_flush_to(enum AHBDEV dev);
void mem_protect(int enable, void *start, void *end);
void mem_setswap(int enable);

9
nand.c
View File

@ -71,8 +71,8 @@ void nand_irq(void)
gecko_printf("NAND: Error on IRQ\n");
err = -1;
}
ahb_memflush(NAND);
magic_bullshit(0);
ahb_flush_from(AHB_NAND);
ahb_flush_to(AHB_STARLET);
if (current_request.code != 0) {
switch (current_request.req) {
case IPC_NAND_GETID:
@ -102,8 +102,8 @@ inline void __nand_wait(void) {
while(__nand_read32(NAND_CMD) & NAND_BUSY_MASK);
if(__nand_read32(NAND_CMD) & NAND_ERROR)
gecko_printf("NAND: Error on wait\n");
ahb_memflush(NAND);
magic_bullshit(0);
ahb_flush_from(AHB_NAND);
ahb_flush_to(AHB_STARLET);
}
void nand_send_command(u32 command, u32 bitmask, u32 flags, u32 num_bytes) {
@ -192,6 +192,7 @@ void nand_write_page(u32 pageno, void *data, void *ecc) {
}
dc_flushrange(data, PAGE_SIZE);
dc_flushrange(ecc, PAGE_SPARE_SIZE);
ahb_flush_to(AHB_NAND);
__nand_set_address(0, pageno);
__nand_setup_dma(data, ecc);
nand_send_command(NAND_WRITE_PRE, 0x1f, NAND_FLAGS_IRQ | NAND_FLAGS_WR | NAND_FLAGS_ECC, 0x840);