linux_dsm_epyc7002/arch/arm/mach-sti/board-dt.c
Srinivas Kandagatla 15969b4577 ARM: sti: Add STiH416 SOC support
The STiH416 is advanced HD AVC processor with 3D graphics acceleration
and 1.2-GHz ARM Cortex-A9 SMP CPU.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
CC: Stephen Gallimore <stephen.gallimore@st.com>
CC: Stuart Menefy <stuart.menefy@st.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Linus Walleij <linus.walleij@linaro.org>

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-25 13:26:58 -07:00

49 lines
1.2 KiB
C

/*
* Copyright (C) 2013 STMicroelectronics (R&D) Limited.
* Author(s): Srinivas Kandagatla <srinivas.kandagatla@st.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/clk-provider.h>
#include <linux/clocksource.h>
#include <linux/irq.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include "smp.h"
void __init stih41x_l2x0_init(void)
{
u32 way_size = 0x4;
u32 aux_ctrl;
/* may be this can be encoded in macros like BIT*() */
aux_ctrl = (0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) |
(0x1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) |
(0x1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) |
(way_size << L2X0_AUX_CTRL_WAY_SIZE_SHIFT);
l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK);
}
static void __init stih41x_timer_init(void)
{
of_clk_init(NULL);
clocksource_of_init();
stih41x_l2x0_init();
}
static const char *stih41x_dt_match[] __initdata = {
"st,stih415",
"st,stih416",
NULL
};
DT_MACHINE_START(STM, "STiH415/416 SoC with Flattened Device Tree")
.init_time = stih41x_timer_init,
.smp = smp_ops(sti_smp_ops),
.dt_compat = stih41x_dt_match,
MACHINE_END