smemc.c (08d3df8c81537089fc8f21006b56f2f6fb23c6f8) smemc.c (fd13f8117f7a2d4054bf420ec1428e918a24a480)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Static Memory Controller
4 */
5
6#include <linux/module.h>
7#include <linux/kernel.h>
8#include <linux/init.h>
9#include <linux/io.h>
10#include <linux/syscore_ops.h>
11#include <linux/soc/pxa/cpu.h>
12
13#include <mach/smemc.h>
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Static Memory Controller
4 */
5
6#include <linux/module.h>
7#include <linux/kernel.h>
8#include <linux/init.h>
9#include <linux/io.h>
10#include <linux/syscore_ops.h>
11#include <linux/soc/pxa/cpu.h>
12
13#include <mach/smemc.h>
14#include <linux/soc/pxa/smemc.h>
14
15#ifdef CONFIG_PM
16static unsigned long msc[2];
17static unsigned long sxcnfg, memclkcfg;
18static unsigned long csadrcfg[4];
19
20static int pxa3xx_smemc_suspend(void)
21{

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65
66 register_syscore_ops(&smemc_syscore_ops);
67 }
68
69 return 0;
70}
71subsys_initcall(smemc_init);
72#endif
15
16#ifdef CONFIG_PM
17static unsigned long msc[2];
18static unsigned long sxcnfg, memclkcfg;
19static unsigned long csadrcfg[4];
20
21static int pxa3xx_smemc_suspend(void)
22{

--- 43 unchanged lines hidden (view full) ---

66
67 register_syscore_ops(&smemc_syscore_ops);
68 }
69
70 return 0;
71}
72subsys_initcall(smemc_init);
73#endif
74
75static const unsigned int df_clkdiv[4] = { 1, 2, 4, 1 };
76unsigned int pxa3xx_smemc_get_memclkdiv(void)
77{
78 unsigned long memclkcfg = __raw_readl(MEMCLKCFG);
79
80 return df_clkdiv[(memclkcfg >> 16) & 0x3];
81}