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; }