1 /* 2 * Copyright (C) 2013 STMicroelectronics (R&D) Limited. 3 * Author(s): Srinivas Kandagatla <srinivas.kandagatla@st.com> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 */ 9 10 #include <linux/irq.h> 11 #include <linux/of_platform.h> 12 #include <asm/hardware/cache-l2x0.h> 13 #include <asm/mach/arch.h> 14 15 #include "smp.h" 16 17 void __init stih41x_l2x0_init(void) 18 { 19 u32 way_size = 0x4; 20 u32 aux_ctrl; 21 /* may be this can be encoded in macros like BIT*() */ 22 aux_ctrl = (0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) | 23 (0x1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) | 24 (0x1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) | 25 (way_size << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); 26 27 l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK); 28 } 29 30 static void __init stih41x_machine_init(void) 31 { 32 stih41x_l2x0_init(); 33 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); 34 } 35 36 static const char *stih41x_dt_match[] __initdata = { 37 "st,stih415", 38 "st,stih416", 39 NULL 40 }; 41 42 DT_MACHINE_START(STM, "STiH415/416 SoC with Flattened Device Tree") 43 .init_machine = stih41x_machine_init, 44 .smp = smp_ops(sti_smp_ops), 45 .dt_compat = stih41x_dt_match, 46 MACHINE_END 47