edbaa603eb
The sysdev.h file should not be needed by any in-kernel code, so remove the .h file from these random files that seem to still want to include it. The sysdev code will be going away soon, so this include needs to be removed no matter what. Cc: Jiandong Zheng <jdzheng@broadcom.com> Cc: Scott Branden <sbranden@broadcom.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: David Brown <davidb@codeaurora.org> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Wan ZongShun <mcuos.com@gmail.com> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: "Venkatesh Pallipadi Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
645 lines
16 KiB
C
645 lines
16 KiB
C
/* linux/arch/arm/mach-s5p64x0/clock-s5p6450.c
|
|
*
|
|
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
|
|
* http://www.samsung.com
|
|
*
|
|
* S5P6450 - Clock support
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/list.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/err.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/device.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/map.h>
|
|
#include <mach/regs-clock.h>
|
|
#include <mach/s5p64x0-clock.h>
|
|
|
|
#include <plat/cpu-freq.h>
|
|
#include <plat/clock.h>
|
|
#include <plat/cpu.h>
|
|
#include <plat/pll.h>
|
|
#include <plat/s5p-clock.h>
|
|
#include <plat/clock-clksrc.h>
|
|
#include <plat/s5p6450.h>
|
|
|
|
static struct clksrc_clk clk_mout_dpll = {
|
|
.clk = {
|
|
.name = "mout_dpll",
|
|
},
|
|
.sources = &clk_src_dpll,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 5, .size = 1 },
|
|
};
|
|
|
|
static u32 epll_div[][5] = {
|
|
{ 133000000, 27307, 55, 2, 2 },
|
|
{ 100000000, 43691, 41, 2, 2 },
|
|
{ 480000000, 0, 80, 2, 0 },
|
|
};
|
|
|
|
static int s5p6450_epll_set_rate(struct clk *clk, unsigned long rate)
|
|
{
|
|
unsigned int epll_con, epll_con_k;
|
|
unsigned int i;
|
|
|
|
if (clk->rate == rate) /* Return if nothing changed */
|
|
return 0;
|
|
|
|
epll_con = __raw_readl(S5P64X0_EPLL_CON);
|
|
epll_con_k = __raw_readl(S5P64X0_EPLL_CON_K);
|
|
|
|
epll_con_k &= ~(PLL90XX_KDIV_MASK);
|
|
epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
|
|
if (epll_div[i][0] == rate) {
|
|
epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT);
|
|
epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) |
|
|
(epll_div[i][3] << PLL90XX_PDIV_SHIFT) |
|
|
(epll_div[i][4] << PLL90XX_SDIV_SHIFT);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(epll_div)) {
|
|
printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
__raw_writel(epll_con, S5P64X0_EPLL_CON);
|
|
__raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
|
|
|
|
printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
|
|
clk->rate, rate);
|
|
|
|
clk->rate = rate;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct clk_ops s5p6450_epll_ops = {
|
|
.get_rate = s5p_epll_get_rate,
|
|
.set_rate = s5p6450_epll_set_rate,
|
|
};
|
|
|
|
static struct clksrc_clk clk_dout_epll = {
|
|
.clk = {
|
|
.name = "dout_epll",
|
|
.parent = &clk_mout_epll.clk,
|
|
},
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 24, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_mout_hclk_sel = {
|
|
.clk = {
|
|
.name = "mout_hclk_sel",
|
|
},
|
|
.sources = &clkset_hclk_low,
|
|
.reg_src = { .reg = S5P64X0_OTHERS, .shift = 15, .size = 1 },
|
|
};
|
|
|
|
static struct clk *clkset_hclk_list[] = {
|
|
&clk_mout_hclk_sel.clk,
|
|
&clk_armclk.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_hclk = {
|
|
.sources = clkset_hclk_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_hclk_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_hclk = {
|
|
.clk = {
|
|
.name = "clk_hclk",
|
|
},
|
|
.sources = &clkset_hclk,
|
|
.reg_src = { .reg = S5P64X0_OTHERS, .shift = 14, .size = 1 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 8, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_pclk = {
|
|
.clk = {
|
|
.name = "clk_pclk",
|
|
.parent = &clk_hclk.clk,
|
|
},
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 12, .size = 4 },
|
|
};
|
|
static struct clksrc_clk clk_dout_pwm_ratio0 = {
|
|
.clk = {
|
|
.name = "clk_dout_pwm_ratio0",
|
|
.parent = &clk_mout_hclk_sel.clk,
|
|
},
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 16, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_pclk_to_wdt_pwm = {
|
|
.clk = {
|
|
.name = "clk_pclk_to_wdt_pwm",
|
|
.parent = &clk_dout_pwm_ratio0.clk,
|
|
},
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 20, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_hclk_low = {
|
|
.clk = {
|
|
.name = "clk_hclk_low",
|
|
},
|
|
.sources = &clkset_hclk_low,
|
|
.reg_src = { .reg = S5P64X0_OTHERS, .shift = 6, .size = 1 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 8, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_pclk_low = {
|
|
.clk = {
|
|
.name = "clk_pclk_low",
|
|
.parent = &clk_hclk_low.clk,
|
|
},
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 12, .size = 4 },
|
|
};
|
|
|
|
/*
|
|
* The following clocks will be disabled during clock initialization. It is
|
|
* recommended to keep the following clocks disabled until the driver requests
|
|
* for enabling the clock.
|
|
*/
|
|
static struct clk init_clocks_off[] = {
|
|
{
|
|
.name = "usbhost",
|
|
.parent = &clk_hclk_low.clk,
|
|
.enable = s5p64x0_hclk0_ctrl,
|
|
.ctrlbit = (1 << 3),
|
|
}, {
|
|
.name = "dma",
|
|
.devname = "dma-pl330",
|
|
.parent = &clk_hclk_low.clk,
|
|
.enable = s5p64x0_hclk0_ctrl,
|
|
.ctrlbit = (1 << 12),
|
|
}, {
|
|
.name = "hsmmc",
|
|
.devname = "s3c-sdhci.0",
|
|
.parent = &clk_hclk_low.clk,
|
|
.enable = s5p64x0_hclk0_ctrl,
|
|
.ctrlbit = (1 << 17),
|
|
}, {
|
|
.name = "hsmmc",
|
|
.devname = "s3c-sdhci.1",
|
|
.parent = &clk_hclk_low.clk,
|
|
.enable = s5p64x0_hclk0_ctrl,
|
|
.ctrlbit = (1 << 18),
|
|
}, {
|
|
.name = "hsmmc",
|
|
.devname = "s3c-sdhci.2",
|
|
.parent = &clk_hclk_low.clk,
|
|
.enable = s5p64x0_hclk0_ctrl,
|
|
.ctrlbit = (1 << 19),
|
|
}, {
|
|
.name = "usbotg",
|
|
.parent = &clk_hclk_low.clk,
|
|
.enable = s5p64x0_hclk0_ctrl,
|
|
.ctrlbit = (1 << 20),
|
|
}, {
|
|
.name = "lcd",
|
|
.parent = &clk_h,
|
|
.enable = s5p64x0_hclk1_ctrl,
|
|
.ctrlbit = (1 << 1),
|
|
}, {
|
|
.name = "watchdog",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 5),
|
|
}, {
|
|
.name = "rtc",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 6),
|
|
}, {
|
|
.name = "adc",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 12),
|
|
}, {
|
|
.name = "i2c",
|
|
.devname = "s3c2440-i2c.0",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 17),
|
|
}, {
|
|
.name = "spi",
|
|
.devname = "s3c64xx-spi.0",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 21),
|
|
}, {
|
|
.name = "spi",
|
|
.devname = "s3c64xx-spi.1",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 22),
|
|
}, {
|
|
.name = "iis",
|
|
.devname = "samsung-i2s.0",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 26),
|
|
}, {
|
|
.name = "iis",
|
|
.devname = "samsung-i2s.1",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 15),
|
|
}, {
|
|
.name = "iis",
|
|
.devname = "samsung-i2s.2",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 16),
|
|
}, {
|
|
.name = "i2c",
|
|
.devname = "s3c2440-i2c.1",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 27),
|
|
}, {
|
|
.name = "dmc0",
|
|
.parent = &clk_pclk.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 30),
|
|
}
|
|
};
|
|
|
|
/*
|
|
* The following clocks will be enabled during clock initialization.
|
|
*/
|
|
static struct clk init_clocks[] = {
|
|
{
|
|
.name = "intc",
|
|
.parent = &clk_hclk.clk,
|
|
.enable = s5p64x0_hclk0_ctrl,
|
|
.ctrlbit = (1 << 1),
|
|
}, {
|
|
.name = "mem",
|
|
.parent = &clk_hclk.clk,
|
|
.enable = s5p64x0_hclk0_ctrl,
|
|
.ctrlbit = (1 << 21),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s3c6400-uart.0",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 1),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s3c6400-uart.1",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 2),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s3c6400-uart.2",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 3),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s3c6400-uart.3",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 4),
|
|
}, {
|
|
.name = "timers",
|
|
.parent = &clk_pclk_to_wdt_pwm.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 7),
|
|
}, {
|
|
.name = "gpio",
|
|
.parent = &clk_pclk_low.clk,
|
|
.enable = s5p64x0_pclk_ctrl,
|
|
.ctrlbit = (1 << 18),
|
|
},
|
|
};
|
|
|
|
static struct clk *clkset_uart_list[] = {
|
|
&clk_dout_epll.clk,
|
|
&clk_dout_mpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_uart = {
|
|
.sources = clkset_uart_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_uart_list),
|
|
};
|
|
|
|
static struct clk *clkset_mali_list[] = {
|
|
&clk_mout_epll.clk,
|
|
&clk_mout_apll.clk,
|
|
&clk_mout_mpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_mali = {
|
|
.sources = clkset_mali_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_mali_list),
|
|
};
|
|
|
|
static struct clk *clkset_group2_list[] = {
|
|
&clk_dout_epll.clk,
|
|
&clk_dout_mpll.clk,
|
|
&clk_ext_xtal_mux,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_group2 = {
|
|
.sources = clkset_group2_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_group2_list),
|
|
};
|
|
|
|
static struct clk *clkset_dispcon_list[] = {
|
|
&clk_dout_epll.clk,
|
|
&clk_dout_mpll.clk,
|
|
&clk_ext_xtal_mux,
|
|
&clk_mout_dpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_dispcon = {
|
|
.sources = clkset_dispcon_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_dispcon_list),
|
|
};
|
|
|
|
static struct clk *clkset_hsmmc44_list[] = {
|
|
&clk_dout_epll.clk,
|
|
&clk_dout_mpll.clk,
|
|
&clk_ext_xtal_mux,
|
|
&s5p_clk_27m,
|
|
&clk_48m,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_hsmmc44 = {
|
|
.sources = clkset_hsmmc44_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_hsmmc44_list),
|
|
};
|
|
|
|
static struct clk *clkset_sclk_audio0_list[] = {
|
|
[0] = &clk_dout_epll.clk,
|
|
[1] = &clk_dout_mpll.clk,
|
|
[2] = &clk_ext_xtal_mux,
|
|
[3] = NULL,
|
|
[4] = NULL,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_audio0 = {
|
|
.sources = clkset_sclk_audio0_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_audio0_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_audio0 = {
|
|
.clk = {
|
|
.name = "audio-bus",
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
.ctrlbit = (1 << 8),
|
|
.parent = &clk_dout_epll.clk,
|
|
},
|
|
.sources = &clkset_sclk_audio0,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 10, .size = 3 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 8, .size = 4 },
|
|
};
|
|
|
|
static struct clksrc_clk clksrcs[] = {
|
|
{
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.0",
|
|
.ctrlbit = (1 << 24),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 18, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.1",
|
|
.ctrlbit = (1 << 25),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 20, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.2",
|
|
.ctrlbit = (1 << 26),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 22, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 8, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.ctrlbit = (1 << 5),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 13, .size = 1 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 16, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_spi",
|
|
.devname = "s3c64xx-spi.0",
|
|
.ctrlbit = (1 << 20),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_spi",
|
|
.devname = "s3c64xx-spi.1",
|
|
.ctrlbit = (1 << 21),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimc",
|
|
.ctrlbit = (1 << 10),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 26, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 12, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "aclk_mali",
|
|
.ctrlbit = (1 << 2),
|
|
.enable = s5p64x0_sclk1_ctrl,
|
|
},
|
|
.sources = &clkset_mali,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 8, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_2d",
|
|
.ctrlbit = (1 << 12),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_mali,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 30, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 20, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_usi",
|
|
.ctrlbit = (1 << 7),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 10, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 16, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_camif",
|
|
.ctrlbit = (1 << 6),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 28, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 20, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_dispcon",
|
|
.ctrlbit = (1 << 1),
|
|
.enable = s5p64x0_sclk1_ctrl,
|
|
},
|
|
.sources = &clkset_dispcon,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 4, .size = 2 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_hsmmc44",
|
|
.ctrlbit = (1 << 30),
|
|
.enable = s5p64x0_sclk_ctrl,
|
|
},
|
|
.sources = &clkset_hsmmc44,
|
|
.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 6, .size = 3 },
|
|
.reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 28, .size = 4 },
|
|
},
|
|
};
|
|
|
|
/* Clock initialization code */
|
|
static struct clksrc_clk *sysclks[] = {
|
|
&clk_mout_apll,
|
|
&clk_mout_epll,
|
|
&clk_dout_epll,
|
|
&clk_mout_mpll,
|
|
&clk_dout_mpll,
|
|
&clk_armclk,
|
|
&clk_mout_hclk_sel,
|
|
&clk_dout_pwm_ratio0,
|
|
&clk_pclk_to_wdt_pwm,
|
|
&clk_hclk,
|
|
&clk_pclk,
|
|
&clk_hclk_low,
|
|
&clk_pclk_low,
|
|
&clk_sclk_audio0,
|
|
};
|
|
|
|
static struct clk dummy_apb_pclk = {
|
|
.name = "apb_pclk",
|
|
.id = -1,
|
|
};
|
|
|
|
void __init_or_cpufreq s5p6450_setup_clocks(void)
|
|
{
|
|
struct clk *xtal_clk;
|
|
|
|
unsigned long xtal;
|
|
unsigned long fclk;
|
|
unsigned long hclk;
|
|
unsigned long hclk_low;
|
|
unsigned long pclk;
|
|
unsigned long pclk_low;
|
|
|
|
unsigned long apll;
|
|
unsigned long mpll;
|
|
unsigned long epll;
|
|
unsigned long dpll;
|
|
unsigned int ptr;
|
|
|
|
/* Set S5P6450 functions for clk_fout_epll */
|
|
|
|
clk_fout_epll.enable = s5p_epll_enable;
|
|
clk_fout_epll.ops = &s5p6450_epll_ops;
|
|
|
|
clk_48m.enable = s5p64x0_clk48m_ctrl;
|
|
|
|
xtal_clk = clk_get(NULL, "ext_xtal");
|
|
BUG_ON(IS_ERR(xtal_clk));
|
|
|
|
xtal = clk_get_rate(xtal_clk);
|
|
clk_put(xtal_clk);
|
|
|
|
apll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_APLL_CON), pll_4502);
|
|
mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_MPLL_CON), pll_4502);
|
|
epll = s5p_get_pll90xx(xtal, __raw_readl(S5P64X0_EPLL_CON),
|
|
__raw_readl(S5P64X0_EPLL_CON_K));
|
|
dpll = s5p_get_pll46xx(xtal, __raw_readl(S5P6450_DPLL_CON),
|
|
__raw_readl(S5P6450_DPLL_CON_K), pll_4650c);
|
|
|
|
clk_fout_apll.rate = apll;
|
|
clk_fout_mpll.rate = mpll;
|
|
clk_fout_epll.rate = epll;
|
|
clk_fout_dpll.rate = dpll;
|
|
|
|
printk(KERN_INFO "S5P6450: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \
|
|
" E=%ld.%ldMHz, D=%ld.%ldMHz\n",
|
|
print_mhz(apll), print_mhz(mpll), print_mhz(epll),
|
|
print_mhz(dpll));
|
|
|
|
fclk = clk_get_rate(&clk_armclk.clk);
|
|
hclk = clk_get_rate(&clk_hclk.clk);
|
|
pclk = clk_get_rate(&clk_pclk.clk);
|
|
hclk_low = clk_get_rate(&clk_hclk_low.clk);
|
|
pclk_low = clk_get_rate(&clk_pclk_low.clk);
|
|
|
|
printk(KERN_INFO "S5P6450: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \
|
|
" PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n",
|
|
print_mhz(hclk), print_mhz(hclk_low),
|
|
print_mhz(pclk), print_mhz(pclk_low));
|
|
|
|
clk_f.rate = fclk;
|
|
clk_h.rate = hclk;
|
|
clk_p.rate = pclk;
|
|
|
|
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
|
|
s3c_set_clksrc(&clksrcs[ptr], true);
|
|
}
|
|
|
|
void __init s5p6450_register_clocks(void)
|
|
{
|
|
int ptr;
|
|
|
|
for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
|
|
s3c_register_clksrc(sysclks[ptr], 1);
|
|
|
|
s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
|
|
s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
|
|
|
|
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
|
|
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
|
|
|
|
s3c24xx_register_clock(&dummy_apb_pclk);
|
|
|
|
s3c_pwmclk_init();
|
|
}
|