| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | static const char *const stih41x_dt_match[] __initconst = { |
| 18 | "st,stih415", |
| 19 | "st,stih416", |
| 20 | "st,stih407", |
| 21 | "st,stih410", |
| 22 | "st,stih418", |
| 23 | NULL |
| 24 | }; |
| 25 | |
| 26 | static void sti_l2_write_sec(unsigned long val, unsigned reg) |
| 27 | { |
| 28 | /* |
| 29 | * We can't write to secure registers as we are in non-secure |
| 30 | * mode, until we have some SMI service available. |
| 31 | */ |
| 32 | } |
| 33 | |
| 34 | DT_MACHINE_START(STM, "STi SoC with Flattened Device Tree") |
| 35 | .dt_compat = stih41x_dt_match, |
| 36 | .l2c_aux_val = L2C_AUX_CTRL_SHARED_OVERRIDE | |
| 37 | L310_AUX_CTRL_DATA_PREFETCH | |
| 38 | L310_AUX_CTRL_INSTR_PREFETCH | |
| 39 | L2C_AUX_CTRL_WAY_SIZE(4), |
| 40 | .l2c_aux_mask = 0xc0000fff, |
| 41 | .smp = smp_ops(sti_smp_ops), |
| 42 | .l2c_write_sec = sti_l2_write_sec, |
| 43 | MACHINE_END |