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Diffstat (limited to 'arch/arm/plat-s3c64xx/clock.c')
-rw-r--r--arch/arm/plat-s3c64xx/clock.c300
1 files changed, 0 insertions, 300 deletions
diff --git a/arch/arm/plat-s3c64xx/clock.c b/arch/arm/plat-s3c64xx/clock.c
deleted file mode 100644
index 7a36e899360d..000000000000
--- a/arch/arm/plat-s3c64xx/clock.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/* linux/arch/arm/plat-s3c64xx/clock.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- * http://armlinux.simtec.co.uk/
- *
- * S3C64XX Base 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/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/map.h>
-
-#include <plat/regs-sys.h>
-#include <plat/regs-clock.h>
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/clock.h>
-
-struct clk clk_h2 = {
- .name = "hclk2",
- .id = -1,
- .rate = 0,
-};
-
-struct clk clk_27m = {
- .name = "clk_27m",
- .id = -1,
- .rate = 27000000,
-};
-
-static int clk_48m_ctrl(struct clk *clk, int enable)
-{
- unsigned long flags;
- u32 val;
-
- /* can't rely on clock lock, this register has other usages */
- local_irq_save(flags);
-
- val = __raw_readl(S3C64XX_OTHERS);
- if (enable)
- val |= S3C64XX_OTHERS_USBMASK;
- else
- val &= ~S3C64XX_OTHERS_USBMASK;
-
- __raw_writel(val, S3C64XX_OTHERS);
- local_irq_restore(flags);
-
- return 0;
-}
-
-struct clk clk_48m = {
- .name = "clk_48m",
- .id = -1,
- .rate = 48000000,
- .enable = clk_48m_ctrl,
-};
-
-static int inline s3c64xx_gate(void __iomem *reg,
- struct clk *clk,
- int enable)
-{
- unsigned int ctrlbit = clk->ctrlbit;
- u32 con;
-
- con = __raw_readl(reg);
-
- if (enable)
- con |= ctrlbit;
- else
- con &= ~ctrlbit;
-
- __raw_writel(con, reg);
- return 0;
-}
-
-static int s3c64xx_pclk_ctrl(struct clk *clk, int enable)
-{
- return s3c64xx_gate(S3C_PCLK_GATE, clk, enable);
-}
-
-static int s3c64xx_hclk_ctrl(struct clk *clk, int enable)
-{
- return s3c64xx_gate(S3C_HCLK_GATE, clk, enable);
-}
-
-int s3c64xx_sclk_ctrl(struct clk *clk, int enable)
-{
- return s3c64xx_gate(S3C_SCLK_GATE, clk, enable);
-}
-
-static struct clk init_clocks_disable[] = {
- {
- .name = "nand",
- .id = -1,
- .parent = &clk_h,
- }, {
- .name = "adc",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_TSADC,
- }, {
- .name = "i2c",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_IIC,
- }, {
- .name = "iis",
- .id = 0,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_IIS0,
- }, {
- .name = "iis",
- .id = 1,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_IIS1,
- }, {
- .name = "spi",
- .id = 0,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_SPI0,
- }, {
- .name = "spi",
- .id = 1,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_SPI1,
- }, {
- .name = "48m",
- .id = 0,
- .parent = &clk_48m,
- .enable = s3c64xx_sclk_ctrl,
- .ctrlbit = S3C_CLKCON_SCLK_MMC0_48,
- }, {
- .name = "48m",
- .id = 1,
- .parent = &clk_48m,
- .enable = s3c64xx_sclk_ctrl,
- .ctrlbit = S3C_CLKCON_SCLK_MMC1_48,
- }, {
- .name = "48m",
- .id = 2,
- .parent = &clk_48m,
- .enable = s3c64xx_sclk_ctrl,
- .ctrlbit = S3C_CLKCON_SCLK_MMC2_48,
- }, {
- .name = "dma0",
- .id = -1,
- .parent = &clk_h,
- .enable = s3c64xx_hclk_ctrl,
- .ctrlbit = S3C_CLKCON_HCLK_DMA0,
- }, {
- .name = "dma1",
- .id = -1,
- .parent = &clk_h,
- .enable = s3c64xx_hclk_ctrl,
- .ctrlbit = S3C_CLKCON_HCLK_DMA1,
- },
-};
-
-static struct clk init_clocks[] = {
- {
- .name = "lcd",
- .id = -1,
- .parent = &clk_h,
- .enable = s3c64xx_hclk_ctrl,
- .ctrlbit = S3C_CLKCON_HCLK_LCD,
- }, {
- .name = "gpio",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_GPIO,
- }, {
- .name = "usb-host",
- .id = -1,
- .parent = &clk_h,
- .enable = s3c64xx_hclk_ctrl,
- .ctrlbit = S3C_CLKCON_HCLK_UHOST,
- }, {
- .name = "hsmmc",
- .id = 0,
- .parent = &clk_h,
- .enable = s3c64xx_hclk_ctrl,
- .ctrlbit = S3C_CLKCON_HCLK_HSMMC0,
- }, {
- .name = "hsmmc",
- .id = 1,
- .parent = &clk_h,
- .enable = s3c64xx_hclk_ctrl,
- .ctrlbit = S3C_CLKCON_HCLK_HSMMC1,
- }, {
- .name = "hsmmc",
- .id = 2,
- .parent = &clk_h,
- .enable = s3c64xx_hclk_ctrl,
- .ctrlbit = S3C_CLKCON_HCLK_HSMMC2,
- }, {
- .name = "timers",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_PWM,
- }, {
- .name = "uart",
- .id = 0,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_UART0,
- }, {
- .name = "uart",
- .id = 1,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_UART1,
- }, {
- .name = "uart",
- .id = 2,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_UART2,
- }, {
- .name = "uart",
- .id = 3,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_UART3,
- }, {
- .name = "rtc",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c64xx_pclk_ctrl,
- .ctrlbit = S3C_CLKCON_PCLK_RTC,
- }, {
- .name = "watchdog",
- .id = -1,
- .parent = &clk_p,
- .ctrlbit = S3C_CLKCON_PCLK_WDT,
- }, {
- .name = "ac97",
- .id = -1,
- .parent = &clk_p,
- .ctrlbit = S3C_CLKCON_PCLK_AC97,
- }
-};
-
-static struct clk *clks[] __initdata = {
- &clk_ext,
- &clk_epll,
- &clk_27m,
- &clk_48m,
- &clk_h2,
-};
-
-void __init s3c64xx_register_clocks(void)
-{
- struct clk *clkp;
- int ret;
- int ptr;
-
- s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
-
- clkp = init_clocks;
- for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
- ret = s3c24xx_register_clock(clkp);
- if (ret < 0) {
- printk(KERN_ERR "Failed to register clock %s (%d)\n",
- clkp->name, ret);
- }
- }
-
- clkp = init_clocks_disable;
- for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
-
- ret = s3c24xx_register_clock(clkp);
- if (ret < 0) {
- printk(KERN_ERR "Failed to register clock %s (%d)\n",
- clkp->name, ret);
- }
-
- (clkp->enable)(clkp, 0);
- }
-
- s3c_pwmclk_init();
-}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-20 03:50:19 +0000