diff options
author | Kukjin Kim <kgene.kim@samsung.com> | 2014-07-02 00:50:15 +0200 |
---|---|---|
committer | Kukjin Kim <kgene.kim@samsung.com> | 2014-07-08 00:06:19 +0200 |
commit | 070b8b436b5510a213b7f38e120ff6cc4d0e89a1 (patch) | |
tree | a3d6d00de3aa812b09ffc79d2b9df81c55dfd018 /arch/arm/mach-s5p64x0/clock-s5p6440.c | |
parent | Linux 3.16-rc2 (diff) | |
download | linux-070b8b436b5510a213b7f38e120ff6cc4d0e89a1.tar.xz linux-070b8b436b5510a213b7f38e120ff6cc4d0e89a1.zip |
ARM: S5P64X0: no more support S5P6440 and S5P6450 SoCs
This patch removes supporting codes for s5p6440 and s5p6450 because
seems no more used now. And if its supporting is required, DT based
codes should be supprted next time.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5p64x0/clock-s5p6440.c')
-rw-r--r-- | arch/arm/mach-s5p64x0/clock-s5p6440.c | 632 |
1 files changed, 0 insertions, 632 deletions
diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c deleted file mode 100644 index ae34a1d5e10a..000000000000 --- a/arch/arm/mach-s5p64x0/clock-s5p6440.c +++ /dev/null @@ -1,632 +0,0 @@ -/* linux/arch/arm/mach-s5p64x0/clock-s5p6440.c - * - * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * S5P6440 - 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 <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 "clock.h" -#include "common.h" - -static u32 epll_div[][5] = { - { 36000000, 0, 48, 1, 4 }, - { 48000000, 0, 32, 1, 3 }, - { 60000000, 0, 40, 1, 3 }, - { 72000000, 0, 48, 1, 3 }, - { 84000000, 0, 28, 1, 2 }, - { 96000000, 0, 32, 1, 2 }, - { 32768000, 45264, 43, 1, 4 }, - { 45158000, 6903, 30, 1, 3 }, - { 49152000, 50332, 32, 1, 3 }, - { 67738000, 10398, 45, 1, 3 }, - { 73728000, 9961, 49, 1, 3 } -}; - -static int s5p6440_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 s5p6440_epll_ops = { - .get_rate = s5p_epll_get_rate, - .set_rate = s5p6440_epll_set_rate, -}; - -static struct clksrc_clk clk_hclk = { - .clk = { - .name = "clk_hclk", - .parent = &clk_armclk.clk, - }, - .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_hclk_low = { - .clk = { - .name = "clk_hclk_low", - }, - .sources = &clkset_hclk_low, - .reg_src = { .reg = S5P64X0_SYS_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 = "nand", - .parent = &clk_hclk.clk, - .enable = s5p64x0_mem_ctrl, - .ctrlbit = (1 << 2), - }, { - .name = "post", - .parent = &clk_hclk_low.clk, - .enable = s5p64x0_hclk0_ctrl, - .ctrlbit = (1 << 5) - }, { - .name = "2d", - .parent = &clk_hclk.clk, - .enable = s5p64x0_hclk0_ctrl, - .ctrlbit = (1 << 8), - }, { - .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 = "otg", - .parent = &clk_hclk_low.clk, - .enable = s5p64x0_hclk0_ctrl, - .ctrlbit = (1 << 20) - }, { - .name = "irom", - .parent = &clk_hclk.clk, - .enable = s5p64x0_hclk0_ctrl, - .ctrlbit = (1 << 25), - }, { - .name = "lcd", - .parent = &clk_hclk_low.clk, - .enable = s5p64x0_hclk1_ctrl, - .ctrlbit = (1 << 1), - }, { - .name = "hclk_fimgvg", - .parent = &clk_hclk.clk, - .enable = s5p64x0_hclk1_ctrl, - .ctrlbit = (1 << 2), - }, { - .name = "tsi", - .parent = &clk_hclk_low.clk, - .enable = s5p64x0_hclk1_ctrl, - .ctrlbit = (1 << 0), - }, { - .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 = "timers", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 7), - }, { - .name = "pcm", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 8), - }, { - .name = "adc", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 12), - }, { - .name = "i2c", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 17), - }, { - .name = "spi", - .devname = "s5p64x0-spi.0", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 21), - }, { - .name = "spi", - .devname = "s5p64x0-spi.1", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 22), - }, { - .name = "gps", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 25), - }, { - .name = "dsim", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 28), - }, { - .name = "etm", - .parent = &clk_pclk.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 29), - }, { - .name = "dmc0", - .parent = &clk_pclk.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 30), - }, { - .name = "pclk_fimgvg", - .parent = &clk_pclk.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 31), - }, { - .name = "mmc_48m", - .devname = "s3c-sdhci.0", - .parent = &clk_48m, - .enable = s5p64x0_sclk_ctrl, - .ctrlbit = (1 << 27), - }, { - .name = "mmc_48m", - .devname = "s3c-sdhci.1", - .parent = &clk_48m, - .enable = s5p64x0_sclk_ctrl, - .ctrlbit = (1 << 28), - }, { - .name = "mmc_48m", - .devname = "s3c-sdhci.2", - .parent = &clk_48m, - .enable = s5p64x0_sclk_ctrl, - .ctrlbit = (1 << 29), - }, -}; - -/* - * 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 = "gpio", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 18), - }, -}; - -static struct clk clk_iis_cd_v40 = { - .name = "iis_cdclk_v40", -}; - -static struct clk clk_pcm_cd = { - .name = "pcm_cdclk", -}; - -static struct clk *clkset_group1_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll.clk, - &clk_fin_epll, -}; - -static struct clksrc_sources clkset_group1 = { - .sources = clkset_group1_list, - .nr_sources = ARRAY_SIZE(clkset_group1_list), -}; - -static struct clk *clkset_uart_list[] = { - &clk_mout_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_audio_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll.clk, - &clk_fin_epll, - &clk_iis_cd_v40, - &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio = { - .sources = clkset_audio_list, - .nr_sources = ARRAY_SIZE(clkset_audio_list), -}; - -static struct clksrc_clk clksrcs[] = { - { - .clk = { - .name = "sclk_post", - .ctrlbit = (1 << 10), - .enable = s5p64x0_sclk_ctrl, - }, - .sources = &clkset_group1, - .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 26, .size = 2 }, - .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 12, .size = 4 }, - }, { - .clk = { - .name = "sclk_dispcon", - .ctrlbit = (1 << 1), - .enable = s5p64x0_sclk1_ctrl, - }, - .sources = &clkset_group1, - .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 4, .size = 2 }, - .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 0, .size = 4 }, - }, { - .clk = { - .name = "sclk_fimgvg", - .ctrlbit = (1 << 2), - .enable = s5p64x0_sclk1_ctrl, - }, - .sources = &clkset_group1, - .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 8, .size = 2 }, - .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 4, .size = 4 }, - }, -}; - -static struct clksrc_clk clk_sclk_mmc0 = { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.0", - .ctrlbit = (1 << 24), - .enable = s5p64x0_sclk_ctrl, - }, - .sources = &clkset_group1, - .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 18, .size = 2 }, - .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 0, .size = 4 }, -}; - -static struct clksrc_clk clk_sclk_mmc1 = { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.1", - .ctrlbit = (1 << 25), - .enable = s5p64x0_sclk_ctrl, - }, - .sources = &clkset_group1, - .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 20, .size = 2 }, - .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 4, .size = 4 }, -}; - -static struct clksrc_clk clk_sclk_mmc2 = { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.2", - .ctrlbit = (1 << 26), - .enable = s5p64x0_sclk_ctrl, - }, - .sources = &clkset_group1, - .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 22, .size = 2 }, - .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 8, .size = 4 }, -}; - -static struct clksrc_clk clk_sclk_uclk = { - .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 }, -}; - -static struct clk clk_i2s0 = { - .name = "iis", - .devname = "samsung-i2s.0", - .parent = &clk_pclk_low.clk, - .enable = s5p64x0_pclk_ctrl, - .ctrlbit = (1 << 26), -}; - -static struct clksrc_clk clk_audio_bus2 = { - .clk = { - .name = "sclk_audio2", - .devname = "samsung-i2s.0", - .ctrlbit = (1 << 11), - .enable = s5p64x0_sclk_ctrl, - }, - .sources = &clkset_audio, - .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 0, .size = 3 }, - .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 24, .size = 4 }, -}; - -static struct clksrc_clk clk_sclk_spi0 = { - .clk = { - .name = "sclk_spi", - .devname = "s5p64x0-spi.0", - .ctrlbit = (1 << 20), - .enable = s5p64x0_sclk_ctrl, - }, - .sources = &clkset_group1, - .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 }, - .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 }, -}; - -static struct clksrc_clk clk_sclk_spi1 = { - .clk = { - .name = "sclk_spi", - .devname = "s5p64x0-spi.1", - .ctrlbit = (1 << 21), - .enable = s5p64x0_sclk_ctrl, - }, - .sources = &clkset_group1, - .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 }, - .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 }, -}; - -/* Clock initialization code */ -static struct clksrc_clk *sysclks[] = { - &clk_mout_apll, - &clk_mout_epll, - &clk_mout_mpll, - &clk_dout_mpll, - &clk_armclk, - &clk_hclk, - &clk_pclk, - &clk_hclk_low, - &clk_pclk_low, -}; - -static struct clk dummy_apb_pclk = { - .name = "apb_pclk", - .id = -1, -}; - -static struct clk *clk_cdev[] = { - &clk_i2s0, -}; - -static struct clksrc_clk *clksrc_cdev[] = { - &clk_sclk_uclk, - &clk_sclk_spi0, - &clk_sclk_spi1, - &clk_sclk_mmc0, - &clk_sclk_mmc1, - &clk_sclk_mmc2, - &clk_audio_bus2, -}; - -static struct clk_lookup s5p6440_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_pclk_low.clk), - CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk), - CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s5p64x0-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), - CLKDEV_INIT("s5p64x0-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), - CLKDEV_INIT("samsung-i2s.0", "i2s_opclk0", &clk_i2s0), - CLKDEV_INIT("samsung-i2s.0", "i2s_opclk1", &clk_audio_bus2.clk), -}; - -void __init_or_cpufreq s5p6440_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 int ptr; - - /* Set S5P6440 functions for clk_fout_epll */ - - clk_fout_epll.enable = s5p_epll_enable; - clk_fout_epll.ops = &s5p6440_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)); - - clk_fout_apll.rate = apll; - clk_fout_mpll.rate = mpll; - clk_fout_epll.rate = epll; - - printk(KERN_INFO "S5P6440: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \ - " E=%ld.%ldMHz\n", - print_mhz(apll), print_mhz(mpll), print_mhz(epll)); - - 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 "S5P6440: 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); -} - -static struct clk *clks[] __initdata = { - &clk_ext, - &clk_iis_cd_v40, - &clk_pcm_cd, -}; - -void __init s5p6440_register_clocks(void) -{ - int ptr; - unsigned int cnt; - - s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); - - for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++) - s3c_register_clksrc(sysclks[ptr], 1); - - s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev)); - for (cnt = 0; cnt < ARRAY_SIZE(clk_cdev); cnt++) - s3c_disable_clocks(clk_cdev[cnt], 1); - - s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); - s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); - for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++) - s3c_register_clksrc(clksrc_cdev[ptr], 1); - - s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - clkdev_add_table(s5p6440_clk_lookup, ARRAY_SIZE(s5p6440_clk_lookup)); - - s3c24xx_register_clock(&dummy_apb_pclk); -} |