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Diffstat (limited to 'kernel/arch/arm/mach-shmobile/clock-r8a7779.c')
-rw-r--r--kernel/arch/arm/mach-shmobile/clock-r8a7779.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/kernel/arch/arm/mach-shmobile/clock-r8a7779.c b/kernel/arch/arm/mach-shmobile/clock-r8a7779.c
deleted file mode 100644
index fa8ab2cc9..000000000
--- a/kernel/arch/arm/mach-shmobile/clock-r8a7779.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * r8a7779 clock framework support
- *
- * Copyright (C) 2011 Renesas Solutions Corp.
- * Copyright (C) 2011 Magnus Damm
- *
- * 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
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-#include <linux/bitops.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <linux/sh_clk.h>
-#include <linux/clkdev.h>
-#include <linux/sh_timer.h>
-
-#include "clock.h"
-#include "common.h"
-#include "r8a7779.h"
-
-/*
- * MD1 = 1 MD1 = 0
- * (PLLA = 1500) (PLLA = 1600)
- * (MHz) (MHz)
- *------------------------------------------------+--------------------
- * clkz 1000 (2/3) 800 (1/2)
- * clkzs 250 (1/6) 200 (1/8)
- * clki 750 (1/2) 800 (1/2)
- * clks 250 (1/6) 200 (1/8)
- * clks1 125 (1/12) 100 (1/16)
- * clks3 187.5 (1/8) 200 (1/8)
- * clks4 93.7 (1/16) 100 (1/16)
- * clkp 62.5 (1/24) 50 (1/32)
- * clkg 62.5 (1/24) 66.6 (1/24)
- * clkb, CLKOUT
- * (MD2 = 0) 62.5 (1/24) 66.6 (1/24)
- * (MD2 = 1) 41.6 (1/36) 50 (1/32)
-*/
-
-#define MD(nr) BIT(nr)
-
-#define MSTPCR0 IOMEM(0xffc80030)
-#define MSTPCR1 IOMEM(0xffc80034)
-#define MSTPCR3 IOMEM(0xffc8003c)
-#define MSTPSR1 IOMEM(0xffc80044)
-
-/* ioremap() through clock mapping mandatory to avoid
- * collision with ARM coherent DMA virtual memory range.
- */
-
-static struct clk_mapping cpg_mapping = {
- .phys = 0xffc80000,
- .len = 0x80,
-};
-
-/*
- * Default rate for the root input clock, reset this with clk_set_rate()
- * from the platform code.
- */
-static struct clk plla_clk = {
- /* .rate will be updated on r8a7779_clock_init() */
- .mapping = &cpg_mapping,
-};
-
-/*
- * clock ratio of these clock will be updated
- * on r8a7779_clock_init()
- */
-SH_FIXED_RATIO_CLK_SET(clkz_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clkzs_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clki_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clks_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clks1_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clks3_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clks4_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clkb_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clkout_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clkp_clk, plla_clk, 1, 1);
-SH_FIXED_RATIO_CLK_SET(clkg_clk, plla_clk, 1, 1);
-
-static struct clk *main_clks[] = {
- &plla_clk,
- &clkz_clk,
- &clkzs_clk,
- &clki_clk,
- &clks_clk,
- &clks1_clk,
- &clks3_clk,
- &clks4_clk,
- &clkb_clk,
- &clkout_clk,
- &clkp_clk,
- &clkg_clk,
-};
-
-enum { MSTP323, MSTP322, MSTP321, MSTP320,
- MSTP120,
- MSTP116, MSTP115, MSTP114,
- MSTP110, MSTP109, MSTP108,
- MSTP103, MSTP101, MSTP100,
- MSTP030,
- MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021,
- MSTP016, MSTP015, MSTP014,
- MSTP007,
- MSTP_NR };
-
-static struct clk mstp_clks[MSTP_NR] = {
- [MSTP323] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 23, 0), /* SDHI0 */
- [MSTP322] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 22, 0), /* SDHI1 */
- [MSTP321] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 21, 0), /* SDHI2 */
- [MSTP320] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 20, 0), /* SDHI3 */
- [MSTP120] = SH_CLK_MSTP32_STS(&clks_clk, MSTPCR1, 20, MSTPSR1, 0), /* VIN3 */
- [MSTP116] = SH_CLK_MSTP32_STS(&clkp_clk, MSTPCR1, 16, MSTPSR1, 0), /* PCIe */
- [MSTP115] = SH_CLK_MSTP32_STS(&clkp_clk, MSTPCR1, 15, MSTPSR1, 0), /* SATA */
- [MSTP114] = SH_CLK_MSTP32_STS(&clkp_clk, MSTPCR1, 14, MSTPSR1, 0), /* Ether */
- [MSTP110] = SH_CLK_MSTP32_STS(&clks_clk, MSTPCR1, 10, MSTPSR1, 0), /* VIN0 */
- [MSTP109] = SH_CLK_MSTP32_STS(&clks_clk, MSTPCR1, 9, MSTPSR1, 0), /* VIN1 */
- [MSTP108] = SH_CLK_MSTP32_STS(&clks_clk, MSTPCR1, 8, MSTPSR1, 0), /* VIN2 */
- [MSTP103] = SH_CLK_MSTP32_STS(&clks_clk, MSTPCR1, 3, MSTPSR1, 0), /* DU */
- [MSTP101] = SH_CLK_MSTP32_STS(&clkp_clk, MSTPCR1, 1, MSTPSR1, 0), /* USB2 */
- [MSTP100] = SH_CLK_MSTP32_STS(&clkp_clk, MSTPCR1, 0, MSTPSR1, 0), /* USB0/1 */
- [MSTP030] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 30, 0), /* I2C0 */
- [MSTP029] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 29, 0), /* I2C1 */
- [MSTP028] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 28, 0), /* I2C2 */
- [MSTP027] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 27, 0), /* I2C3 */
- [MSTP026] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 26, 0), /* SCIF0 */
- [MSTP025] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 25, 0), /* SCIF1 */
- [MSTP024] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 24, 0), /* SCIF2 */
- [MSTP023] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 23, 0), /* SCIF3 */
- [MSTP022] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 22, 0), /* SCIF4 */
- [MSTP021] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 21, 0), /* SCIF5 */
- [MSTP016] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 16, 0), /* TMU0 */
- [MSTP015] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 15, 0), /* TMU1 */
- [MSTP014] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 14, 0), /* TMU2 */
- [MSTP007] = SH_CLK_MSTP32(&clks_clk, MSTPCR0, 7, 0), /* HSPI */
-};
-
-static struct clk_lookup lookups[] = {
- /* main clocks */
- CLKDEV_CON_ID("plla_clk", &plla_clk),
- CLKDEV_CON_ID("clkz_clk", &clkz_clk),
- CLKDEV_CON_ID("clkzs_clk", &clkzs_clk),
-
- /* DIV4 clocks */
- CLKDEV_CON_ID("shyway_clk", &clks_clk),
- CLKDEV_CON_ID("bus_clk", &clkout_clk),
- CLKDEV_CON_ID("shyway4_clk", &clks4_clk),
- CLKDEV_CON_ID("shyway3_clk", &clks3_clk),
- CLKDEV_CON_ID("shyway1_clk", &clks1_clk),
- CLKDEV_CON_ID("peripheral_clk", &clkp_clk),
-
- /* MSTP32 clocks */
- CLKDEV_DEV_ID("r8a7779-vin.3", &mstp_clks[MSTP120]), /* VIN3 */
- CLKDEV_DEV_ID("rcar-pcie", &mstp_clks[MSTP116]), /* PCIe */
- CLKDEV_DEV_ID("sata_rcar", &mstp_clks[MSTP115]), /* SATA */
- CLKDEV_DEV_ID("fc600000.sata", &mstp_clks[MSTP115]), /* SATA w/DT */
- CLKDEV_DEV_ID("r8a777x-ether", &mstp_clks[MSTP114]), /* Ether */
- CLKDEV_DEV_ID("r8a7779-vin.0", &mstp_clks[MSTP110]), /* VIN0 */
- CLKDEV_DEV_ID("r8a7779-vin.1", &mstp_clks[MSTP109]), /* VIN1 */
- CLKDEV_DEV_ID("r8a7779-vin.2", &mstp_clks[MSTP108]), /* VIN2 */
- CLKDEV_DEV_ID("ehci-platform.1", &mstp_clks[MSTP101]), /* USB EHCI port2 */
- CLKDEV_DEV_ID("ohci-platform.1", &mstp_clks[MSTP101]), /* USB OHCI port2 */
- CLKDEV_DEV_ID("ehci-platform.0", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */
- CLKDEV_DEV_ID("ohci-platform.0", &mstp_clks[MSTP100]), /* USB OHCI port0/1 */
- CLKDEV_ICK_ID("fck", "sh-tmu.0", &mstp_clks[MSTP016]), /* TMU0 */
- CLKDEV_DEV_ID("i2c-rcar.0", &mstp_clks[MSTP030]), /* I2C0 */
- CLKDEV_DEV_ID("ffc70000.i2c", &mstp_clks[MSTP030]), /* I2C0 */
- CLKDEV_DEV_ID("i2c-rcar.1", &mstp_clks[MSTP029]), /* I2C1 */
- CLKDEV_DEV_ID("ffc71000.i2c", &mstp_clks[MSTP029]), /* I2C1 */
- CLKDEV_DEV_ID("i2c-rcar.2", &mstp_clks[MSTP028]), /* I2C2 */
- CLKDEV_DEV_ID("ffc72000.i2c", &mstp_clks[MSTP028]), /* I2C2 */
- CLKDEV_DEV_ID("i2c-rcar.3", &mstp_clks[MSTP027]), /* I2C3 */
- CLKDEV_DEV_ID("ffc73000.i2c", &mstp_clks[MSTP027]), /* I2C3 */
- CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */
- CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */
- CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */
- CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP023]), /* SCIF3 */
- CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP022]), /* SCIF4 */
- CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP021]), /* SCIF6 */
- CLKDEV_DEV_ID("sh-hspi.0", &mstp_clks[MSTP007]), /* HSPI0 */
- CLKDEV_DEV_ID("fffc7000.spi", &mstp_clks[MSTP007]), /* HSPI0 */
- CLKDEV_DEV_ID("sh-hspi.1", &mstp_clks[MSTP007]), /* HSPI1 */
- CLKDEV_DEV_ID("fffc8000.spi", &mstp_clks[MSTP007]), /* HSPI1 */
- CLKDEV_DEV_ID("sh-hspi.2", &mstp_clks[MSTP007]), /* HSPI2 */
- CLKDEV_DEV_ID("fffc6000.spi", &mstp_clks[MSTP007]), /* HSPI2 */
- CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP323]), /* SDHI0 */
- CLKDEV_DEV_ID("ffe4c000.sd", &mstp_clks[MSTP323]), /* SDHI0 */
- CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */
- CLKDEV_DEV_ID("ffe4d000.sd", &mstp_clks[MSTP322]), /* SDHI1 */
- CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */
- CLKDEV_DEV_ID("ffe4e000.sd", &mstp_clks[MSTP321]), /* SDHI2 */
- CLKDEV_DEV_ID("sh_mobile_sdhi.3", &mstp_clks[MSTP320]), /* SDHI3 */
- CLKDEV_DEV_ID("ffe4f000.sd", &mstp_clks[MSTP320]), /* SDHI3 */
- CLKDEV_DEV_ID("rcar-du-r8a7779", &mstp_clks[MSTP103]), /* DU */
-};
-
-void __init r8a7779_clock_init(void)
-{
- u32 mode = r8a7779_read_mode_pins();
- int k, ret = 0;
-
- if (mode & MD(1)) {
- plla_clk.rate = 1500000000;
-
- SH_CLK_SET_RATIO(&clkz_clk_ratio, 2, 3);
- SH_CLK_SET_RATIO(&clkzs_clk_ratio, 1, 6);
- SH_CLK_SET_RATIO(&clki_clk_ratio, 1, 2);
- SH_CLK_SET_RATIO(&clks_clk_ratio, 1, 6);
- SH_CLK_SET_RATIO(&clks1_clk_ratio, 1, 12);
- SH_CLK_SET_RATIO(&clks3_clk_ratio, 1, 8);
- SH_CLK_SET_RATIO(&clks4_clk_ratio, 1, 16);
- SH_CLK_SET_RATIO(&clkp_clk_ratio, 1, 24);
- SH_CLK_SET_RATIO(&clkg_clk_ratio, 1, 24);
- if (mode & MD(2)) {
- SH_CLK_SET_RATIO(&clkb_clk_ratio, 1, 36);
- SH_CLK_SET_RATIO(&clkout_clk_ratio, 1, 36);
- } else {
- SH_CLK_SET_RATIO(&clkb_clk_ratio, 1, 24);
- SH_CLK_SET_RATIO(&clkout_clk_ratio, 1, 24);
- }
- } else {
- plla_clk.rate = 1600000000;
-
- SH_CLK_SET_RATIO(&clkz_clk_ratio, 1, 2);
- SH_CLK_SET_RATIO(&clkzs_clk_ratio, 1, 8);
- SH_CLK_SET_RATIO(&clki_clk_ratio, 1, 2);
- SH_CLK_SET_RATIO(&clks_clk_ratio, 1, 8);
- SH_CLK_SET_RATIO(&clks1_clk_ratio, 1, 16);
- SH_CLK_SET_RATIO(&clks3_clk_ratio, 1, 8);
- SH_CLK_SET_RATIO(&clks4_clk_ratio, 1, 16);
- SH_CLK_SET_RATIO(&clkp_clk_ratio, 1, 32);
- SH_CLK_SET_RATIO(&clkg_clk_ratio, 1, 24);
- if (mode & MD(2)) {
- SH_CLK_SET_RATIO(&clkb_clk_ratio, 1, 32);
- SH_CLK_SET_RATIO(&clkout_clk_ratio, 1, 32);
- } else {
- SH_CLK_SET_RATIO(&clkb_clk_ratio, 1, 24);
- SH_CLK_SET_RATIO(&clkout_clk_ratio, 1, 24);
- }
- }
-
- for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
- ret = clk_register(main_clks[k]);
-
- if (!ret)
- ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
-
- clkdev_add_table(lookups, ARRAY_SIZE(lookups));
-
- if (!ret)
- shmobile_clk_init();
- else
- panic("failed to setup r8a7779 clocks\n");
-}
-
-/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
-void __init __weak r8a7779_register_twd(void) { }
-
-void __init r8a7779_earlytimer_init(void)
-{
- r8a7779_clock_init();
- r8a7779_register_twd();
- shmobile_earlytimer_init();
-}