1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2016 Nexell
4  * Youngbok, Park <park@nexell.co.kr>
5  */
6 
7 /*
8  *FIXME : Not support device tree & reset control driver.
9  *        will remove after support device tree & reset control driver.
10  */
11 #include <common.h>
12 #include <asm/io.h>
13 #include <asm/arch/nexell.h>
14 #include <asm/arch/reset.h>
15 
16 struct	nx_rstcon_registerset {
17 	u32	regrst[(NUMBER_OF_RESET_MODULE_PIN + 31) >> 5];
18 };
19 
20 static struct nx_rstcon_registerset *nx_rstcon =
21 			(struct nx_rstcon_registerset *)PHY_BASEADDR_RSTCON;
22 
nx_rstcon_setrst(u32 rstindex,enum rstcon status)23 void nx_rstcon_setrst(u32 rstindex, enum rstcon status)
24 {
25 	u32 regnum, bitpos, curstat;
26 
27 	regnum		= rstindex >> 5;
28 	curstat		= (u32)readl(&nx_rstcon->regrst[regnum]);
29 	bitpos		= rstindex & 0x1f;
30 	curstat		&= ~(1UL << bitpos);
31 	curstat		|= (status & 0x01) << bitpos;
32 	writel(curstat, &nx_rstcon->regrst[regnum]);
33 }
34