xref: /OK3568_Linux_fs/u-boot/drivers/mtd/ftsmc020.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2009 Faraday Technology
3*4882a593Smuzhiyun  * Po-Yu Chuang <ratbert@faraday-tech.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <config.h>
9*4882a593Smuzhiyun #include <common.h>
10*4882a593Smuzhiyun #include <asm/io.h>
11*4882a593Smuzhiyun #include <faraday/ftsmc020.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun struct ftsmc020_config {
14*4882a593Smuzhiyun 	unsigned int	config;
15*4882a593Smuzhiyun 	unsigned int	timing;
16*4882a593Smuzhiyun };
17*4882a593Smuzhiyun 
ftsmc020_setup_bank(unsigned int bank,struct ftsmc020_config * cfg)18*4882a593Smuzhiyun static void ftsmc020_setup_bank(unsigned int bank, struct ftsmc020_config *cfg)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun 	struct ftsmc020 *smc = (struct ftsmc020 *)CONFIG_FTSMC020_BASE;
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	if (bank > 3) {
23*4882a593Smuzhiyun 		printf("bank # %u invalid\n", bank);
24*4882a593Smuzhiyun 		return;
25*4882a593Smuzhiyun 	}
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	writel(cfg->config, &smc->bank[bank].cr);
28*4882a593Smuzhiyun 	writel(cfg->timing, &smc->bank[bank].tpr);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun 
ftsmc020_init(void)31*4882a593Smuzhiyun void ftsmc020_init(void)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun 	struct ftsmc020_config config[] = CONFIG_SYS_FTSMC020_CONFIGS;
34*4882a593Smuzhiyun 	int i;
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun 	for (i = 0; i < ARRAY_SIZE(config); i++)
37*4882a593Smuzhiyun 		ftsmc020_setup_bank(i, &config[i]);
38*4882a593Smuzhiyun }
39