int __init ux500_l2x0_init(void)
{
uint32_t aux_val = 0x3e000000;
if (cpu_is_u5500())
l2x0_base = __io_address(U5500_L2CC_BASE);
else if (cpu_is_u8500() || cpu_is_u9540())
l2x0_base = __io_address(U8500_L2CC_BASE);
else
ux500_unknown_soc();
/* u9540's L2 has 128KB way size */
if (cpu_is_u9540())
aux_val |=
(0x4 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); /* 128KB way size */
else
aux_val |=
(0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); /* 64KB way size */
/* Unlock before init */
ux500_l2x0_unlock();
/* 64KB way size, 8 way associativity, force WA */
l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff);
/* Override invalidate function */
outer_cache.disable = ux500_l2x0_disable;
outer_cache.inv_all = ux500_l2x0_inv_all;
return 0;
}
static int __init ux500_l2x0_init(void)
{
/* Multiplatform guard */
if (!((cpu_is_u8500_family() || cpu_is_ux540_family())))
return -ENODEV;
/* Unlock before init */
ux500_l2x0_unlock();
outer_cache.write_sec = ux500_l2c310_write_sec;
l2x0_of_init(0, ~0);
return 0;
}
static int __init ux500_l2x0_init(void)
{
u32 aux_val = 0x3e000000;
if (cpu_is_u8500_family() || cpu_is_ux540_family())
l2x0_base = __io_address(U8500_L2CC_BASE);
else
ux500_unknown_soc();
/* Unlock before init */
ux500_l2x0_unlock();
/* DBx540's L2 has 128KB way size */
if (cpu_is_ux540_family())
/* 128KB way size */
aux_val |= (0x4 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT);
else
/* 64KB way size */
aux_val |= (0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT);
/* 64KB way size, 8 way associativity, force WA */
if (of_have_populated_dt())
l2x0_of_init(aux_val, 0xc0000fff);
else
l2x0_init(l2x0_base, aux_val, 0xc0000fff);
/*
* We can't disable l2 as we are in non secure mode, currently
* this seems be called only during kexec path. So let's
* override outer.disable with nasty assignment until we have
* some SMI service available.
*/
outer_cache.disable = NULL;
return 0;
}
