diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/clock-s3c2416.c')
| -rw-r--r-- | arch/arm/mach-s3c24xx/clock-s3c2416.c | 171 | 
1 files changed, 0 insertions, 171 deletions
diff --git a/arch/arm/mach-s3c24xx/clock-s3c2416.c b/arch/arm/mach-s3c24xx/clock-s3c2416.c deleted file mode 100644 index d421a72920a..00000000000 --- a/arch/arm/mach-s3c24xx/clock-s3c2416.c +++ /dev/null @@ -1,171 +0,0 @@ -/* linux/arch/arm/mach-s3c2416/clock.c - * - * Copyright (c) 2010 Simtec Electronics - * Copyright (c) 2010 Ben Dooks <ben-linux@fluff.org> - * - * S3C2416 Clock control support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/init.h> -#include <linux/clk.h> - -#include <plat/clock.h> -#include <plat/clock-clksrc.h> -#include <plat/cpu.h> - -#include <plat/cpu-freq.h> -#include <plat/pll.h> - -#include <asm/mach/map.h> - -#include <mach/regs-clock.h> -#include <mach/regs-s3c2443-clock.h> - -/* armdiv - * - * this clock is sourced from msysclk and can have a number of - * divider values applied to it to then be fed into armclk. - * The real clock definition is done in s3c2443-clock.c, - * only the armdiv divisor table must be defined here. -*/ - -static unsigned int armdiv[8] = { -	[0] = 1, -	[1] = 2, -	[2] = 3, -	[3] = 4, -	[5] = 6, -	[7] = 8, -}; - -static struct clksrc_clk hsspi_eplldiv = { -	.clk = { -		.name	= "hsspi-eplldiv", -		.parent	= &clk_esysclk.clk, -		.ctrlbit = (1 << 14), -		.enable = s3c2443_clkcon_enable_s, -	}, -	.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 24 }, -}; - -static struct clk *hsspi_sources[] = { -	[0] = &hsspi_eplldiv.clk, -	[1] = NULL, /* to fix */ -}; - -static struct clksrc_clk hsspi_mux = { -	.clk	= { -		.name	= "hsspi-if", -	}, -	.sources = &(struct clksrc_sources) { -		.sources = hsspi_sources, -		.nr_sources = ARRAY_SIZE(hsspi_sources), -	}, -	.reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 18 }, -}; - -static struct clksrc_clk hsmmc_div[] = { -	[0] = { -		.clk = { -			.name	= "hsmmc-div", -			.devname	= "s3c-sdhci.0", -			.parent	= &clk_esysclk.clk, -		}, -		.reg_div = { .reg = S3C2416_CLKDIV2, .size = 2, .shift = 6 }, -	}, -	[1] = { -		.clk = { -			.name	= "hsmmc-div", -			.devname	= "s3c-sdhci.1", -			.parent	= &clk_esysclk.clk, -		}, -		.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 6 }, -	}, -}; - -static struct clksrc_clk hsmmc_mux0 = { -	.clk	= { -		.name		= "hsmmc-if", -		.devname	= "s3c-sdhci.0", -		.ctrlbit	= (1 << 6), -		.enable		= s3c2443_clkcon_enable_s, -	}, -	.sources	= &(struct clksrc_sources) { -		.nr_sources	= 2, -		.sources	= (struct clk * []) { -			[0]	= &hsmmc_div[0].clk, -			[1]	= NULL, /* to fix */ -		}, -	}, -	.reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 16 }, -}; - -static struct clksrc_clk hsmmc_mux1 = { -	.clk	= { -		.name		= "hsmmc-if", -		.devname	= "s3c-sdhci.1", -		.ctrlbit	= (1 << 12), -		.enable		= s3c2443_clkcon_enable_s, -	}, -	.sources	= &(struct clksrc_sources) { -		.nr_sources	= 2, -		.sources	= (struct clk * []) { -			[0]	= &hsmmc_div[1].clk, -			[1]	= NULL, /* to fix */ -		}, -	}, -	.reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 17 }, -}; - -static struct clk hsmmc0_clk = { -	.name		= "hsmmc", -	.devname	= "s3c-sdhci.0", -	.parent		= &clk_h, -	.enable		= s3c2443_clkcon_enable_h, -	.ctrlbit	= S3C2416_HCLKCON_HSMMC0, -}; - -static struct clksrc_clk *clksrcs[] __initdata = { -	&hsspi_eplldiv, -	&hsspi_mux, -	&hsmmc_div[0], -	&hsmmc_div[1], -	&hsmmc_mux0, -	&hsmmc_mux1, -}; - -static struct clk_lookup s3c2416_clk_lookup[] = { -	CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &hsmmc0_clk), -	CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &hsmmc_mux0.clk), -	CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &hsmmc_mux1.clk), -	/* s3c2443-spi.0 is used on s3c2416 and s3c2450 as well */ -	CLKDEV_INIT("s3c2443-spi.0", "spi_busclk2", &hsspi_mux.clk), -}; - -void __init s3c2416_init_clocks(int xtal) -{ -	u32 epllcon = __raw_readl(S3C2443_EPLLCON); -	u32 epllcon1 = __raw_readl(S3C2443_EPLLCON+4); -	int ptr; - -	/* s3c2416 EPLL compatible with s3c64xx */ -	clk_epll.rate = s3c_get_pll6553x(xtal, epllcon, epllcon1); - -	clk_epll.parent = &clk_epllref.clk; - -	s3c2443_common_init_clocks(xtal, s3c2416_get_pll, -				   armdiv, ARRAY_SIZE(armdiv), -				   S3C2416_CLKDIV0_ARMDIV_MASK); - -	for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) -		s3c_register_clksrc(clksrcs[ptr], 1); - -	s3c24xx_register_clock(&hsmmc0_clk); -	clkdev_add_table(s3c2416_clk_lookup, ARRAY_SIZE(s3c2416_clk_lookup)); - -}  | 
