106 lines
2.2 KiB
C
106 lines
2.2 KiB
C
|
#include "cluster.h"
|
||
|
|
#include "i2c.h"
|
||
|
|
#include "clock.h"
|
||
|
|
#include "util.h"
|
||
|
|
#include "pmc.h"
|
||
|
|
#include "t210.h"
|
||
|
|
|
||
|
|
void _cluster_enable_power()
|
||
|
|
{
|
||
|
|
u8 tmp;
|
||
|
|
|
||
|
|
if (i2c_recv_buf_small(&tmp, 1, I2C_5, 0x3C, 0x40))
|
||
|
|
{
|
||
|
|
tmp &= 0xDFu;
|
||
|
|
i2c_send_byte(I2C_5, 0x3C, 0x40, tmp);
|
||
|
|
}
|
||
|
|
i2c_send_byte(I2C_5, 0x3C, 0x3B, 0x09);
|
||
|
|
|
||
|
|
//Enable cores power.
|
||
|
|
i2c_send_byte(I2C_5, 0x1B, 0x02, 0x20);
|
||
|
|
i2c_send_byte(I2C_5, 0x1B, 0x03, 0x8D);
|
||
|
|
i2c_send_byte(I2C_5, 0x1B, 0x00, 0xB7);
|
||
|
|
i2c_send_byte(I2C_5, 0x1B, 0x01, 0xB7);
|
||
|
|
}
|
||
|
|
|
||
|
|
int _cluster_pmc_enable_partition(u32 part, u32 toggle)
|
||
|
|
{
|
||
|
|
//Check if the partition has already been turned on.
|
||
|
|
if (PMC(APBDEV_PMC_PWRGATE_STATUS) & part)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
u32 i = 5001;
|
||
|
|
while (PMC(APBDEV_PMC_PWRGATE_TOGGLE) & 0x100)
|
||
|
|
{
|
||
|
|
sleep(1);
|
||
|
|
i--;
|
||
|
|
if (i < 1)
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
PMC(APBDEV_PMC_PWRGATE_TOGGLE) = toggle | 0x100;
|
||
|
|
|
||
|
|
i = 5001;
|
||
|
|
while (i > 0)
|
||
|
|
{
|
||
|
|
if (PMC(APBDEV_PMC_PWRGATE_STATUS) & part)
|
||
|
|
break;
|
||
|
|
sleep(1);
|
||
|
|
i--;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void cluster_enable_cpu0(u32 entry)
|
||
|
|
{
|
||
|
|
//Set ACTIVE_CLUSER to FAST.
|
||
|
|
FLOW_CTLR(FLOW_CTLR_BPMP_CLUSTER_CONTROL) &= 0xFFFFFFFE;
|
||
|
|
|
||
|
|
_cluster_enable_power();
|
||
|
|
|
||
|
|
if (!(CLOCK(0xE0) & 0x40000000))
|
||
|
|
{
|
||
|
|
CLOCK(0x518) &= 0xFFFFFFF7;
|
||
|
|
sleep(2);
|
||
|
|
CLOCK(0xE4) = CLOCK(0xE4) & 0xFFFBFFFF | 0x40000;
|
||
|
|
CLOCK(0xE0) = 0x40404E02;
|
||
|
|
}
|
||
|
|
while (!(CLOCK(0xE0) & 0x8000000))
|
||
|
|
;
|
||
|
|
|
||
|
|
CLOCK(0x3B4) = CLOCK(0x3B4) & 0x1FFFFF00 | 6;
|
||
|
|
CLOCK(0x360) = CLOCK(0x360) & 0xFFFFFFF7 | 8;
|
||
|
|
CLOCK(0x20) = 0x20008888;
|
||
|
|
CLOCK(0x24) = 0x80000000;
|
||
|
|
CLOCK(0x440) = 1;
|
||
|
|
|
||
|
|
clock_enable_coresight();
|
||
|
|
|
||
|
|
CLOCK(0x388) = CLOCK(0x388) & 0xFFFFE000;
|
||
|
|
|
||
|
|
//Enable CPU rail.
|
||
|
|
_cluster_pmc_enable_partition(1, 0);
|
||
|
|
//Enable cluster 0 non-CPU.
|
||
|
|
_cluster_pmc_enable_partition(0x8000, 15);
|
||
|
|
//Enable CE0.
|
||
|
|
_cluster_pmc_enable_partition(0x4000, 14);
|
||
|
|
|
||
|
|
//Request and wait for RAM repair.
|
||
|
|
FLOW_CTLR(FLOW_CTLR_RAM_REPAIR) = 1;
|
||
|
|
while (!(FLOW_CTLR(FLOW_CTLR_RAM_REPAIR) & 2))
|
||
|
|
;
|
||
|
|
|
||
|
|
EXCP_VEC(0x100) = 0;
|
||
|
|
|
||
|
|
//Set reset vectors.
|
||
|
|
SB(SB_AA64_RESET_LOW) = entry | 1;
|
||
|
|
SB(SB_AA64_RESET_HIGH) = 0;
|
||
|
|
//Non-secure reset vector write disable.
|
||
|
|
SB(SB_CSR_0) = 2;
|
||
|
|
|
||
|
|
//Until here the CPU was in reset, this kicks execution.
|
||
|
|
CLOCK(CLK_RST_CONTROLLER_RST_DEVICES_V) &= 0xFFFFFFF7;
|
||
|
|
CLOCK(CLK_RST_CONTROLLER_RST_CPUG_CMPLX_CLR) = 0x411F000F;
|
||
|
|
}
|