]>
git.ipfire.org Git - people/ms/u-boot.git/blob - arch/arm/cpu/armv7/keystone/init.c
2 * Keystone2: Architecture initialization
4 * (C) Copyright 2012-2014
5 * Texas Instruments Incorporated, <www.ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
13 #include <asm/arch/clock.h>
14 #include <asm/arch/hardware.h>
16 void chip_configuration_unlock(void)
18 __raw_writel(KS2_KICK0_MAGIC
, KS2_KICK0
);
19 __raw_writel(KS2_KICK1_MAGIC
, KS2_KICK1
);
22 int arch_cpu_init(void)
24 chip_configuration_unlock();
27 #ifdef CONFIG_SOC_K2HK
28 share_all_segments(8);
29 share_all_segments(9);
30 share_all_segments(10); /* QM PDSP */
31 share_all_segments(11); /* PCIE */
35 * just initialise the COM2 port so that TI specific
36 * UART register PWREMU_MGMT is initialized. Linux UART
37 * driver doesn't handle this.
39 NS16550_init((NS16550_t
)(CONFIG_SYS_NS16550_COM2
),
40 CONFIG_SYS_NS16550_CLK
/ 16 / CONFIG_BAUDRATE
);
45 void reset_cpu(ulong addr
)
47 volatile u32
*rstctrl
= (volatile u32
*)(KS2_RSTCTRL
);
50 tmp
= *rstctrl
& KS2_RSTCTRL_MASK
;
51 *rstctrl
= tmp
| KS2_RSTCTRL_KEY
;
53 *rstctrl
&= KS2_RSTCTRL_SWRST
;
59 void enable_caches(void)
61 #ifndef CONFIG_SYS_DCACHE_OFF
62 /* Enable D-cache. I-cache is already enabled in start.S */