10 files changed, 31 insertions, 919 deletions

diff --git a/arch/arm/mach-spear3xx/Makefile b/arch/arm/mach-spear3xx/Makefile
index 17b5d83cf2d5..8d12faa178fd 100644
--- a/arch/arm/mach-spear3xx/Makefile
+++ b/arch/arm/mach-spear3xx/Makefile
@@ -3,7 +3,7 @@
 #
 
 # common files
-obj-$(CONFIG_ARCH_SPEAR3XX)	+= spear3xx.o clock.o
+obj-$(CONFIG_ARCH_SPEAR3XX)	+= spear3xx.o
 
 # spear300 specific files
 obj-$(CONFIG_MACH_SPEAR300) += spear300.o
diff --git a/arch/arm/mach-spear3xx/clock.c b/arch/arm/mach-spear3xx/clock.c
deleted file mode 100644
index cd6c11099083..000000000000
--- a/arch/arm/mach-spear3xx/clock.c
+++ /dev/null
@@ -1,892 +0,0 @@
-/*
- * arch/arm/mach-spear3xx/clock.c
- *
- * SPEAr3xx machines clock framework source file
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/clkdev.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/of_platform.h>
-#include <asm/mach-types.h>
-#include <plat/clock.h>
-#include <mach/misc_regs.h>
-#include <mach/spear.h>
-
-#define PLL1_CTR		(MISC_BASE + 0x008)
-#define PLL1_FRQ		(MISC_BASE + 0x00C)
-#define PLL1_MOD		(MISC_BASE + 0x010)
-#define PLL2_CTR		(MISC_BASE + 0x014)
-/* PLL_CTR register masks */
-#define PLL_ENABLE		2
-#define PLL_MODE_SHIFT		4
-#define PLL_MODE_MASK		0x3
-#define PLL_MODE_NORMAL		0
-#define PLL_MODE_FRACTION	1
-#define PLL_MODE_DITH_DSB	2
-#define PLL_MODE_DITH_SSB	3
-
-#define PLL2_FRQ		(MISC_BASE + 0x018)
-/* PLL FRQ register masks */
-#define PLL_DIV_N_SHIFT		0
-#define PLL_DIV_N_MASK		0xFF
-#define PLL_DIV_P_SHIFT		8
-#define PLL_DIV_P_MASK		0x7
-#define PLL_NORM_FDBK_M_SHIFT	24
-#define PLL_NORM_FDBK_M_MASK	0xFF
-#define PLL_DITH_FDBK_M_SHIFT	16
-#define PLL_DITH_FDBK_M_MASK	0xFFFF
-
-#define PLL2_MOD		(MISC_BASE + 0x01C)
-#define PLL_CLK_CFG		(MISC_BASE + 0x020)
-#define CORE_CLK_CFG		(MISC_BASE + 0x024)
-/* CORE CLK CFG register masks */
-#define PLL_HCLK_RATIO_SHIFT	10
-#define PLL_HCLK_RATIO_MASK	0x3
-#define HCLK_PCLK_RATIO_SHIFT	8
-#define HCLK_PCLK_RATIO_MASK	0x3
-
-#define PERIP_CLK_CFG		(MISC_BASE + 0x028)
-/* PERIP_CLK_CFG register masks */
-#define UART_CLK_SHIFT		4
-#define UART_CLK_MASK		0x1
-#define FIRDA_CLK_SHIFT		5
-#define FIRDA_CLK_MASK		0x3
-#define GPT0_CLK_SHIFT		8
-#define GPT1_CLK_SHIFT		11
-#define GPT2_CLK_SHIFT		12
-#define GPT_CLK_MASK		0x1
-#define AUX_CLK_PLL3_VAL	0
-#define AUX_CLK_PLL1_VAL	1
-
-#define PERIP1_CLK_ENB		(MISC_BASE + 0x02C)
-/* PERIP1_CLK_ENB register masks */
-#define UART_CLK_ENB		3
-#define SSP_CLK_ENB		5
-#define I2C_CLK_ENB		7
-#define JPEG_CLK_ENB		8
-#define FIRDA_CLK_ENB		10
-#define GPT1_CLK_ENB		11
-#define GPT2_CLK_ENB		12
-#define ADC_CLK_ENB		15
-#define RTC_CLK_ENB		17
-#define GPIO_CLK_ENB		18
-#define DMA_CLK_ENB		19
-#define SMI_CLK_ENB		21
-#define GMAC_CLK_ENB		23
-#define USBD_CLK_ENB		24
-#define USBH_CLK_ENB		25
-#define C3_CLK_ENB		31
-
-#define RAS_CLK_ENB		(MISC_BASE + 0x034)
-
-#define PRSC1_CLK_CFG		(MISC_BASE + 0x044)
-#define PRSC2_CLK_CFG		(MISC_BASE + 0x048)
-#define PRSC3_CLK_CFG		(MISC_BASE + 0x04C)
-/* gpt synthesizer register masks */
-#define GPT_MSCALE_SHIFT	0
-#define GPT_MSCALE_MASK		0xFFF
-#define GPT_NSCALE_SHIFT	12
-#define GPT_NSCALE_MASK		0xF
-
-#define AMEM_CLK_CFG		(MISC_BASE + 0x050)
-#define EXPI_CLK_CFG		(MISC_BASE + 0x054)
-#define CLCD_CLK_SYNT		(MISC_BASE + 0x05C)
-#define FIRDA_CLK_SYNT		(MISC_BASE + 0x060)
-#define UART_CLK_SYNT		(MISC_BASE + 0x064)
-#define GMAC_CLK_SYNT		(MISC_BASE + 0x068)
-#define RAS1_CLK_SYNT		(MISC_BASE + 0x06C)
-#define RAS2_CLK_SYNT		(MISC_BASE + 0x070)
-#define RAS3_CLK_SYNT		(MISC_BASE + 0x074)
-#define RAS4_CLK_SYNT		(MISC_BASE + 0x078)
-/* aux clk synthesiser register masks for irda to ras4 */
-#define AUX_SYNT_ENB		31
-#define AUX_EQ_SEL_SHIFT	30
-#define AUX_EQ_SEL_MASK		1
-#define AUX_EQ1_SEL		0
-#define AUX_EQ2_SEL		1
-#define AUX_XSCALE_SHIFT	16
-#define AUX_XSCALE_MASK		0xFFF
-#define AUX_YSCALE_SHIFT	0
-#define AUX_YSCALE_MASK		0xFFF
-
-/* root clks */
-/* 32 KHz oscillator clock */
-static struct clk osc_32k_clk = {
-	.flags = ALWAYS_ENABLED,
-	.rate = 32000,
-};
-
-/* 24 MHz oscillator clock */
-static struct clk osc_24m_clk = {
-	.flags = ALWAYS_ENABLED,
-	.rate = 24000000,
-};
-
-/* clock derived from 32 KHz osc clk */
-/* rtc clock */
-static struct clk rtc_clk = {
-	.pclk = &osc_32k_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = RTC_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* clock derived from 24 MHz osc clk */
-/* pll masks structure */
-static struct pll_clk_masks pll1_masks = {
-	.mode_mask = PLL_MODE_MASK,
-	.mode_shift = PLL_MODE_SHIFT,
-	.norm_fdbk_m_mask = PLL_NORM_FDBK_M_MASK,
-	.norm_fdbk_m_shift = PLL_NORM_FDBK_M_SHIFT,
-	.dith_fdbk_m_mask = PLL_DITH_FDBK_M_MASK,
-	.dith_fdbk_m_shift = PLL_DITH_FDBK_M_SHIFT,
-	.div_p_mask = PLL_DIV_P_MASK,
-	.div_p_shift = PLL_DIV_P_SHIFT,
-	.div_n_mask = PLL_DIV_N_MASK,
-	.div_n_shift = PLL_DIV_N_SHIFT,
-};
-
-/* pll1 configuration structure */
-static struct pll_clk_config pll1_config = {
-	.mode_reg = PLL1_CTR,
-	.cfg_reg = PLL1_FRQ,
-	.masks = &pll1_masks,
-};
-
-/* pll rate configuration table, in ascending order of rates */
-struct pll_rate_tbl pll_rtbl[] = {
-	{.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* 266 MHz */
-	{.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* 332 MHz */
-};
-
-/* PLL1 clock */
-static struct clk pll1_clk = {
-	.flags = ENABLED_ON_INIT,
-	.pclk = &osc_24m_clk,
-	.en_reg = PLL1_CTR,
-	.en_reg_bit = PLL_ENABLE,
-	.calc_rate = &pll_calc_rate,
-	.recalc = &pll_clk_recalc,
-	.set_rate = &pll_clk_set_rate,
-	.rate_config = {pll_rtbl, ARRAY_SIZE(pll_rtbl), 1},
-	.private_data = &pll1_config,
-};
-
-/* PLL3 48 MHz clock */
-static struct clk pll3_48m_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &osc_24m_clk,
-	.rate = 48000000,
-};
-
-/* watch dog timer clock */
-static struct clk wdt_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &osc_24m_clk,
-	.recalc = &follow_parent,
-};
-
-/* clock derived from pll1 clk */
-/* cpu clock */
-static struct clk cpu_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &pll1_clk,
-	.recalc = &follow_parent,
-};
-
-/* ahb masks structure */
-static struct bus_clk_masks ahb_masks = {
-	.mask = PLL_HCLK_RATIO_MASK,
-	.shift = PLL_HCLK_RATIO_SHIFT,
-};
-
-/* ahb configuration structure */
-static struct bus_clk_config ahb_config = {
-	.reg = CORE_CLK_CFG,
-	.masks = &ahb_masks,
-};
-
-/* ahb rate configuration table, in ascending order of rates */
-struct bus_rate_tbl bus_rtbl[] = {
-	{.div = 3}, /* == parent divided by 4 */
-	{.div = 2}, /* == parent divided by 3 */
-	{.div = 1}, /* == parent divided by 2 */
-	{.div = 0}, /* == parent divided by 1 */
-};
-
-/* ahb clock */
-static struct clk ahb_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &pll1_clk,
-	.calc_rate = &bus_calc_rate,
-	.recalc = &bus_clk_recalc,
-	.set_rate = &bus_clk_set_rate,
-	.rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2},
-	.private_data = &ahb_config,
-};
-
-/* auxiliary synthesizers masks */
-static struct aux_clk_masks aux_masks = {
-	.eq_sel_mask = AUX_EQ_SEL_MASK,
-	.eq_sel_shift = AUX_EQ_SEL_SHIFT,
-	.eq1_mask = AUX_EQ1_SEL,
-	.eq2_mask = AUX_EQ2_SEL,
-	.xscale_sel_mask = AUX_XSCALE_MASK,
-	.xscale_sel_shift = AUX_XSCALE_SHIFT,
-	.yscale_sel_mask = AUX_YSCALE_MASK,
-	.yscale_sel_shift = AUX_YSCALE_SHIFT,
-};
-
-/* uart synth configurations */
-static struct aux_clk_config uart_synth_config = {
-	.synth_reg = UART_CLK_SYNT,
-	.masks = &aux_masks,
-};
-
-/* aux rate configuration table, in ascending order of rates */
-struct aux_rate_tbl aux_rtbl[] = {
-	/* For PLL1 = 332 MHz */
-	{.xscale = 1, .yscale = 8, .eq = 1}, /* 41.5 MHz */
-	{.xscale = 1, .yscale = 4, .eq = 1}, /* 83 MHz */
-	{.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */
-};
-
-/* uart synth clock */
-static struct clk uart_synth_clk = {
-	.en_reg = UART_CLK_SYNT,
-	.en_reg_bit = AUX_SYNT_ENB,
-	.pclk = &pll1_clk,
-	.calc_rate = &aux_calc_rate,
-	.recalc = &aux_clk_recalc,
-	.set_rate = &aux_clk_set_rate,
-	.rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1},
-	.private_data = &uart_synth_config,
-};
-
-/* uart parents */
-static struct pclk_info uart_pclk_info[] = {
-	{
-		.pclk = &uart_synth_clk,
-		.pclk_val = AUX_CLK_PLL1_VAL,
-	}, {
-		.pclk = &pll3_48m_clk,
-		.pclk_val = AUX_CLK_PLL3_VAL,
-	},
-};
-
-/* uart parent select structure */
-static struct pclk_sel uart_pclk_sel = {
-	.pclk_info = uart_pclk_info,
-	.pclk_count = ARRAY_SIZE(uart_pclk_info),
-	.pclk_sel_reg = PERIP_CLK_CFG,
-	.pclk_sel_mask = UART_CLK_MASK,
-};
-
-/* uart clock */
-static struct clk uart_clk = {
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = UART_CLK_ENB,
-	.pclk_sel = &uart_pclk_sel,
-	.pclk_sel_shift = UART_CLK_SHIFT,
-	.recalc = &follow_parent,
-};
-
-/* firda configurations */
-static struct aux_clk_config firda_synth_config = {
-	.synth_reg = FIRDA_CLK_SYNT,
-	.masks = &aux_masks,
-};
-
-/* firda synth clock */
-static struct clk firda_synth_clk = {
-	.en_reg = FIRDA_CLK_SYNT,
-	.en_reg_bit = AUX_SYNT_ENB,
-	.pclk = &pll1_clk,
-	.calc_rate = &aux_calc_rate,
-	.recalc = &aux_clk_recalc,
-	.set_rate = &aux_clk_set_rate,
-	.rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1},
-	.private_data = &firda_synth_config,
-};
-
-/* firda parents */
-static struct pclk_info firda_pclk_info[] = {
-	{
-		.pclk = &firda_synth_clk,
-		.pclk_val = AUX_CLK_PLL1_VAL,
-	}, {
-		.pclk = &pll3_48m_clk,
-		.pclk_val = AUX_CLK_PLL3_VAL,
-	},
-};
-
-/* firda parent select structure */
-static struct pclk_sel firda_pclk_sel = {
-	.pclk_info = firda_pclk_info,
-	.pclk_count = ARRAY_SIZE(firda_pclk_info),
-	.pclk_sel_reg = PERIP_CLK_CFG,
-	.pclk_sel_mask = FIRDA_CLK_MASK,
-};
-
-/* firda clock */
-static struct clk firda_clk = {
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = FIRDA_CLK_ENB,
-	.pclk_sel = &firda_pclk_sel,
-	.pclk_sel_shift = FIRDA_CLK_SHIFT,
-	.recalc = &follow_parent,
-};
-
-/* gpt synthesizer masks */
-static struct gpt_clk_masks gpt_masks = {
-	.mscale_sel_mask = GPT_MSCALE_MASK,
-	.mscale_sel_shift = GPT_MSCALE_SHIFT,
-	.nscale_sel_mask = GPT_NSCALE_MASK,
-	.nscale_sel_shift = GPT_NSCALE_SHIFT,
-};
-
-/* gpt rate configuration table, in ascending order of rates */
-struct gpt_rate_tbl gpt_rtbl[] = {
-	/* For pll1 = 332 MHz */
-	{.mscale = 4, .nscale = 0}, /* 41.5 MHz */
-	{.mscale = 2, .nscale = 0}, /* 55.3 MHz */
-	{.mscale = 1, .nscale = 0}, /* 83 MHz */
-};
-
-/* gpt0 synth clk config*/
-static struct gpt_clk_config gpt0_synth_config = {
-	.synth_reg = PRSC1_CLK_CFG,
-	.masks = &gpt_masks,
-};
-
-/* gpt synth clock */
-static struct clk gpt0_synth_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &pll1_clk,
-	.calc_rate = &gpt_calc_rate,
-	.recalc = &gpt_clk_recalc,
-	.set_rate = &gpt_clk_set_rate,
-	.rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
-	.private_data = &gpt0_synth_config,
-};
-
-/* gpt parents */
-static struct pclk_info gpt0_pclk_info[] = {
-	{
-		.pclk = &gpt0_synth_clk,
-		.pclk_val = AUX_CLK_PLL1_VAL,
-	}, {
-		.pclk = &pll3_48m_clk,
-		.pclk_val = AUX_CLK_PLL3_VAL,
-	},
-};
-
-/* gpt parent select structure */
-static struct pclk_sel gpt0_pclk_sel = {
-	.pclk_info = gpt0_pclk_info,
-	.pclk_count = ARRAY_SIZE(gpt0_pclk_info),
-	.pclk_sel_reg = PERIP_CLK_CFG,
-	.pclk_sel_mask = GPT_CLK_MASK,
-};
-
-/* gpt0 timer clock */
-static struct clk gpt0_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk_sel = &gpt0_pclk_sel,
-	.pclk_sel_shift = GPT0_CLK_SHIFT,
-	.recalc = &follow_parent,
-};
-
-/* gpt1 synth clk configurations */
-static struct gpt_clk_config gpt1_synth_config = {
-	.synth_reg = PRSC2_CLK_CFG,
-	.masks = &gpt_masks,
-};
-
-/* gpt1 synth clock */
-static struct clk gpt1_synth_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &pll1_clk,
-	.calc_rate = &gpt_calc_rate,
-	.recalc = &gpt_clk_recalc,
-	.set_rate = &gpt_clk_set_rate,
-	.rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
-	.private_data = &gpt1_synth_config,
-};
-
-static struct pclk_info gpt1_pclk_info[] = {
-	{
-		.pclk = &gpt1_synth_clk,
-		.pclk_val = AUX_CLK_PLL1_VAL,
-	}, {
-		.pclk = &pll3_48m_clk,
-		.pclk_val = AUX_CLK_PLL3_VAL,
-	},
-};
-
-/* gpt parent select structure */
-static struct pclk_sel gpt1_pclk_sel = {
-	.pclk_info = gpt1_pclk_info,
-	.pclk_count = ARRAY_SIZE(gpt1_pclk_info),
-	.pclk_sel_reg = PERIP_CLK_CFG,
-	.pclk_sel_mask = GPT_CLK_MASK,
-};
-
-/* gpt1 timer clock */
-static struct clk gpt1_clk = {
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = GPT1_CLK_ENB,
-	.pclk_sel = &gpt1_pclk_sel,
-	.pclk_sel_shift = GPT1_CLK_SHIFT,
-	.recalc = &follow_parent,
-};
-
-/* gpt2 synth clk configurations */
-static struct gpt_clk_config gpt2_synth_config = {
-	.synth_reg = PRSC3_CLK_CFG,
-	.masks = &gpt_masks,
-};
-
-/* gpt1 synth clock */
-static struct clk gpt2_synth_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &pll1_clk,
-	.calc_rate = &gpt_calc_rate,
-	.recalc = &gpt_clk_recalc,
-	.set_rate = &gpt_clk_set_rate,
-	.rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
-	.private_data = &gpt2_synth_config,
-};
-
-static struct pclk_info gpt2_pclk_info[] = {
-	{
-		.pclk = &gpt2_synth_clk,
-		.pclk_val = AUX_CLK_PLL1_VAL,
-	}, {
-		.pclk = &pll3_48m_clk,
-		.pclk_val = AUX_CLK_PLL3_VAL,
-	},
-};
-
-/* gpt parent select structure */
-static struct pclk_sel gpt2_pclk_sel = {
-	.pclk_info = gpt2_pclk_info,
-	.pclk_count = ARRAY_SIZE(gpt2_pclk_info),
-	.pclk_sel_reg = PERIP_CLK_CFG,
-	.pclk_sel_mask = GPT_CLK_MASK,
-};
-
-/* gpt2 timer clock */
-static struct clk gpt2_clk = {
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = GPT2_CLK_ENB,
-	.pclk_sel = &gpt2_pclk_sel,
-	.pclk_sel_shift = GPT2_CLK_SHIFT,
-	.recalc = &follow_parent,
-};
-
-/* clock derived from pll3 clk */
-/* usbh clock */
-static struct clk usbh_clk = {
-	.pclk = &pll3_48m_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = USBH_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* usbd clock */
-static struct clk usbd_clk = {
-	.pclk = &pll3_48m_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = USBD_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* clock derived from usbh clk */
-/* usbh0 clock */
-static struct clk usbh0_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &usbh_clk,
-	.recalc = &follow_parent,
-};
-
-/* usbh1 clock */
-static struct clk usbh1_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &usbh_clk,
-	.recalc = &follow_parent,
-};
-
-/* clock derived from ahb clk */
-/* apb masks structure */
-static struct bus_clk_masks apb_masks = {
-	.mask = HCLK_PCLK_RATIO_MASK,
-	.shift = HCLK_PCLK_RATIO_SHIFT,
-};
-
-/* apb configuration structure */
-static struct bus_clk_config apb_config = {
-	.reg = CORE_CLK_CFG,
-	.masks = &apb_masks,
-};
-
-/* apb clock */
-static struct clk apb_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &ahb_clk,
-	.calc_rate = &bus_calc_rate,
-	.recalc = &bus_clk_recalc,
-	.set_rate = &bus_clk_set_rate,
-	.rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2},
-	.private_data = &apb_config,
-};
-
-/* i2c clock */
-static struct clk i2c_clk = {
-	.pclk = &ahb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = I2C_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* dma clock */
-static struct clk dma_clk = {
-	.pclk = &ahb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = DMA_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* jpeg clock */
-static struct clk jpeg_clk = {
-	.pclk = &ahb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = JPEG_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* gmac clock */
-static struct clk gmac_clk = {
-	.pclk = &ahb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = GMAC_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* smi clock */
-static struct clk smi_clk = {
-	.pclk = &ahb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = SMI_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* c3 clock */
-static struct clk c3_clk = {
-	.pclk = &ahb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = C3_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* clock derived from apb clk */
-/* adc clock */
-static struct clk adc_clk = {
-	.pclk = &apb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = ADC_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
-/* emi clock */
-static struct clk emi_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &ahb_clk,
-	.recalc = &follow_parent,
-};
-#endif
-
-/* ssp clock */
-static struct clk ssp0_clk = {
-	.pclk = &apb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = SSP_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-/* gpio clock */
-static struct clk gpio_clk = {
-	.pclk = &apb_clk,
-	.en_reg = PERIP1_CLK_ENB,
-	.en_reg_bit = GPIO_CLK_ENB,
-	.recalc = &follow_parent,
-};
-
-static struct clk dummy_apb_pclk;
-
-#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \
-	defined(CONFIG_MACH_SPEAR320)
-/* fsmc clock */
-static struct clk fsmc_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &ahb_clk,
-	.recalc = &follow_parent,
-};
-#endif
-
-/* common clocks to spear310 and spear320 */
-#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
-/* uart1 clock */
-static struct clk uart1_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-/* uart2 clock */
-static struct clk uart2_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-#endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */
-
-/* common clocks to spear300 and spear320 */
-#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR320)
-/* clcd clock */
-static struct clk clcd_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &pll3_48m_clk,
-	.recalc = &follow_parent,
-};
-
-/* sdhci clock */
-static struct clk sdhci_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &ahb_clk,
-	.recalc = &follow_parent,
-};
-#endif /* CONFIG_MACH_SPEAR300 || CONFIG_MACH_SPEAR320 */
-
-/* spear300 machine specific clock structures */
-#ifdef CONFIG_MACH_SPEAR300
-/* gpio1 clock */
-static struct clk gpio1_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-/* keyboard clock */
-static struct clk kbd_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-#endif
-
-/* spear310 machine specific clock structures */
-#ifdef CONFIG_MACH_SPEAR310
-/* uart3 clock */
-static struct clk uart3_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-/* uart4 clock */
-static struct clk uart4_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-/* uart5 clock */
-static struct clk uart5_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-#endif
-
-/* spear320 machine specific clock structures */
-#ifdef CONFIG_MACH_SPEAR320
-/* can0 clock */
-static struct clk can0_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-/* can1 clock */
-static struct clk can1_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-/* i2c1 clock */
-static struct clk i2c1_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &ahb_clk,
-	.recalc = &follow_parent,
-};
-
-/* ssp1 clock */
-static struct clk ssp1_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-/* ssp2 clock */
-static struct clk ssp2_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-
-/* pwm clock */
-static struct clk pwm_clk = {
-	.flags = ALWAYS_ENABLED,
-	.pclk = &apb_clk,
-	.recalc = &follow_parent,
-};
-#endif
-
-/* array of all spear 3xx clock lookups */
-static struct clk_lookup spear_clk_lookups[] = {
-	CLKDEV_INIT(NULL, "apb_pclk", &dummy_apb_pclk),
-	/* root clks */
-	CLKDEV_INIT(NULL, "osc_32k_clk", &osc_32k_clk),
-	CLKDEV_INIT(NULL, "osc_24m_clk", &osc_24m_clk),
-	/* clock derived from 32 KHz osc clk */
-	CLKDEV_INIT("fc900000.rtc", NULL, &rtc_clk),
-	/* clock derived from 24 MHz osc clk */
-	CLKDEV_INIT(NULL, "pll1_clk", &pll1_clk),
-	CLKDEV_INIT(NULL, "pll3_48m_clk", &pll3_48m_clk),
-	CLKDEV_INIT("fc880000.wdt", NULL, &wdt_clk),
-	/* clock derived from pll1 clk */
-	CLKDEV_INIT(NULL, "cpu_clk", &cpu_clk),
-	CLKDEV_INIT(NULL, "ahb_clk", &ahb_clk),
-	CLKDEV_INIT(NULL, "uart_synth_clk", &uart_synth_clk),
-	CLKDEV_INIT(NULL, "firda_synth_clk", &firda_synth_clk),
-	CLKDEV_INIT(NULL, "gpt0_synth_clk", &gpt0_synth_clk),
-	CLKDEV_INIT(NULL, "gpt1_synth_clk", &gpt1_synth_clk),
-	CLKDEV_INIT(NULL, "gpt2_synth_clk", &gpt2_synth_clk),
-	CLKDEV_INIT("d0000000.serial", NULL, &uart_clk),
-	CLKDEV_INIT("firda", NULL, &firda_clk),
-	CLKDEV_INIT("gpt0", NULL, &gpt0_clk),
-	CLKDEV_INIT("gpt1", NULL, &gpt1_clk),
-	CLKDEV_INIT("gpt2", NULL, &gpt2_clk),
-	/* clock derived from pll3 clk */
-	CLKDEV_INIT("designware_udc", NULL, &usbd_clk),
-	CLKDEV_INIT(NULL, "usbh_clk", &usbh_clk),
-	/* clock derived from usbh clk */
-	CLKDEV_INIT(NULL, "usbh.0_clk", &usbh0_clk),
-	CLKDEV_INIT(NULL, "usbh.1_clk", &usbh1_clk),
-	/* clock derived from ahb clk */
-	CLKDEV_INIT(NULL, "apb_clk", &apb_clk),
-	CLKDEV_INIT("d0180000.i2c", NULL, &i2c_clk),
-	CLKDEV_INIT("fc400000.dma", NULL, &dma_clk),
-	CLKDEV_INIT("jpeg", NULL, &jpeg_clk),
-	CLKDEV_INIT("e0800000.eth", NULL, &gmac_clk),
-	CLKDEV_INIT("fc000000.flash", NULL, &smi_clk),
-	CLKDEV_INIT("c3", NULL, &c3_clk),
-	/* clock derived from apb clk */
-	CLKDEV_INIT("adc", NULL, &adc_clk),
-	CLKDEV_INIT("d0100000.spi", NULL, &ssp0_clk),
-	CLKDEV_INIT("fc980000.gpio", NULL, &gpio_clk),
-};
-
-/* array of all spear 300 clock lookups */
-#ifdef CONFIG_MACH_SPEAR300
-static struct clk_lookup spear300_clk_lookups[] = {
-	CLKDEV_INIT("60000000.clcd", NULL, &clcd_clk),
-	CLKDEV_INIT("94000000.flash", NULL, &fsmc_clk),
-	CLKDEV_INIT("a9000000.gpio", NULL, &gpio1_clk),
-	CLKDEV_INIT("a0000000.kbd", NULL, &kbd_clk),
-	CLKDEV_INIT("70000000.sdhci", NULL, &sdhci_clk),
-};
-
-void __init spear300_clk_init(void)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++)
-		clk_register(&spear_clk_lookups[i]);
-
-	for (i = 0; i < ARRAY_SIZE(spear300_clk_lookups); i++)
-		clk_register(&spear300_clk_lookups[i]);
-
-	clk_init();
-}
-#endif
-
-/* array of all spear 310 clock lookups */
-#ifdef CONFIG_MACH_SPEAR310
-static struct clk_lookup spear310_clk_lookups[] = {
-	CLKDEV_INIT("44000000.flash", NULL, &fsmc_clk),
-	CLKDEV_INIT(NULL, "emi", &emi_clk),
-	CLKDEV_INIT("b2000000.serial", NULL, &uart1_clk),
-	CLKDEV_INIT("b2080000.serial", NULL, &uart2_clk),
-	CLKDEV_INIT("b2100000.serial", NULL, &uart3_clk),
-	CLKDEV_INIT("b2180000.serial", NULL, &uart4_clk),
-	CLKDEV_INIT("b2200000.serial", NULL, &uart5_clk),
-};
-
-void __init spear310_clk_init(void)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++)
-		clk_register(&spear_clk_lookups[i]);
-
-	for (i = 0; i < ARRAY_SIZE(spear310_clk_lookups); i++)
-		clk_register(&spear310_clk_lookups[i]);
-
-	clk_init();
-}
-#endif
-
-/* array of all spear 320 clock lookups */
-#ifdef CONFIG_MACH_SPEAR320
-static struct clk_lookup spear320_clk_lookups[] = {
-	CLKDEV_INIT("90000000.clcd", NULL, &clcd_clk),
-	CLKDEV_INIT("4c000000.flash", NULL, &fsmc_clk),
-	CLKDEV_INIT("a7000000.i2c", NULL, &i2c1_clk),
-	CLKDEV_INIT(NULL, "emi", &emi_clk),
-	CLKDEV_INIT("pwm", NULL, &pwm_clk),
-	CLKDEV_INIT("70000000.sdhci", NULL, &sdhci_clk),
-	CLKDEV_INIT("c_can_platform.0", NULL, &can0_clk),
-	CLKDEV_INIT("c_can_platform.1", NULL, &can1_clk),
-	CLKDEV_INIT("a5000000.spi", NULL, &ssp1_clk),
-	CLKDEV_INIT("a6000000.spi", NULL, &ssp2_clk),
-	CLKDEV_INIT("a3000000.serial", NULL, &uart1_clk),
-	CLKDEV_INIT("a4000000.serial", NULL, &uart2_clk),
-};
-
-void __init spear320_clk_init(void)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++)
-		clk_register(&spear_clk_lookups[i]);
-
-	for (i = 0; i < ARRAY_SIZE(spear320_clk_lookups); i++)
-		clk_register(&spear320_clk_lookups[i]);
-
-	clk_init();
-}
-#endif
diff --git a/arch/arm/mach-spear3xx/include/mach/generic.h b/arch/arm/mach-spear3xx/include/mach/generic.h
index bdb304551caf..4a95b9453c2a 100644
--- a/arch/arm/mach-spear3xx/include/mach/generic.h
+++ b/arch/arm/mach-spear3xx/include/mach/generic.h
@@ -27,28 +27,11 @@ extern struct pl022_ssp_controller pl022_plat_data;
 extern struct pl08x_platform_data pl080_plat_data;
 
 /* Add spear3xx family function declarations here */
-void __init spear_setup_timer(resource_size_t base, int irq);
+void __init spear_setup_of_timer(void);
+void __init spear3xx_clk_init(void);
 void __init spear3xx_map_io(void);
 void __init spear3xx_dt_init_irq(void);
 
 void spear_restart(char, const char *);
 
-/* spear300 declarations */
-#ifdef CONFIG_MACH_SPEAR300
-void __init spear300_clk_init(void);
-
-#endif /* CONFIG_MACH_SPEAR300 */
-
-/* spear310 declarations */
-#ifdef CONFIG_MACH_SPEAR310
-void __init spear310_clk_init(void);
-
-#endif /* CONFIG_MACH_SPEAR310 */
-
-/* spear320 declarations */
-#ifdef CONFIG_MACH_SPEAR320
-void __init spear320_clk_init(void);
-
-#endif /* CONFIG_MACH_SPEAR320 */
-
 #endif /* __MACH_GENERIC_H */
diff --git a/arch/arm/mach-spear3xx/include/mach/irqs.h b/arch/arm/mach-spear3xx/include/mach/irqs.h
index 319620a1afb4..51bd62a0254c 100644
--- a/arch/arm/mach-spear3xx/include/mach/irqs.h
+++ b/arch/arm/mach-spear3xx/include/mach/irqs.h
@@ -16,7 +16,6 @@
 
 /* FIXME: probe all these from DT */
 #define SPEAR3XX_IRQ_INTRCOMM_RAS_ARM		1
-#define SPEAR3XX_IRQ_CPU_GPT1_1			2
 #define SPEAR3XX_IRQ_GEN_RAS_1			28
 #define SPEAR3XX_IRQ_GEN_RAS_2			29
 #define SPEAR3XX_IRQ_GEN_RAS_3			30
diff --git a/arch/arm/mach-spear3xx/include/mach/misc_regs.h b/arch/arm/mach-spear3xx/include/mach/misc_regs.h
index e0ab72e61507..18e2ac576f25 100644
--- a/arch/arm/mach-spear3xx/include/mach/misc_regs.h
+++ b/arch/arm/mach-spear3xx/include/mach/misc_regs.h
@@ -14,6 +14,8 @@
 #ifndef __MACH_MISC_REGS_H
 #define __MACH_MISC_REGS_H
 
+#include <mach/spear.h>
+
 #define MISC_BASE		IOMEM(VA_SPEAR3XX_ICM3_MISC_REG_BASE)
 #define DMA_CHN_CFG		(MISC_BASE + 0x0A0)
 
diff --git a/arch/arm/mach-spear3xx/include/mach/spear.h b/arch/arm/mach-spear3xx/include/mach/spear.h
index 6d4dadc67633..51eb953148a9 100644
--- a/arch/arm/mach-spear3xx/include/mach/spear.h
+++ b/arch/arm/mach-spear3xx/include/mach/spear.h
@@ -26,7 +26,6 @@
 /* ML1 - Multi Layer CPU Subsystem */
 #define SPEAR3XX_ICM3_ML1_2_BASE	UL(0xF0000000)
 #define VA_SPEAR6XX_ML_CPU_BASE		UL(0xF0000000)
-#define SPEAR3XX_CPU_TMR_BASE		UL(0xF0000000)
 
 /* ICM3 - Basic Subsystem */
 #define SPEAR3XX_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
@@ -45,4 +44,17 @@
 #define SPEAR_SYS_CTRL_BASE		SPEAR3XX_ICM3_SYS_CTRL_BASE
 #define VA_SPEAR_SYS_CTRL_BASE		VA_SPEAR3XX_ICM3_SYS_CTRL_BASE
 
+/* SPEAr320 Macros */
+#define SPEAR320_SOC_CONFIG_BASE	UL(0xB3000000)
+#define VA_SPEAR320_SOC_CONFIG_BASE	UL(0xFE000000)
+#define SPEAR320_CONTROL_REG		IOMEM(VA_SPEAR320_SOC_CONFIG_BASE)
+#define SPEAR320_EXT_CTRL_REG		IOMEM(VA_SPEAR320_SOC_CONFIG_BASE + 0x0018)
+	#define SPEAR320_UARTX_PCLK_MASK		0x1
+	#define SPEAR320_UART2_PCLK_SHIFT		8
+	#define SPEAR320_UART3_PCLK_SHIFT		9
+	#define SPEAR320_UART4_PCLK_SHIFT		10
+	#define SPEAR320_UART5_PCLK_SHIFT		11
+	#define SPEAR320_UART6_PCLK_SHIFT		12
+	#define SPEAR320_RS485_PCLK_SHIFT		13
+
 #endif /* __MACH_SPEAR3XX_H */
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index f75fe25a620c..f74a05bdb829 100644
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -337,7 +337,6 @@ static const char * const spear300_dt_board_compat[] = {
 static void __init spear300_map_io(void)
 {
 	spear3xx_map_io();
-	spear300_clk_init();
 }
 
 DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree")
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
index f0842a58dc02..84dfb0900747 100644
--- a/arch/arm/mach-spear3xx/spear310.c
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -478,7 +478,6 @@ static const char * const spear310_dt_board_compat[] = {
 static void __init spear310_map_io(void)
 {
 	spear3xx_map_io();
-	spear310_clk_init();
 }
 
 DT_MACHINE_START(SPEAR310_DT, "ST SPEAr310 SoC with Flattened Device Tree")
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c
index e8caeef50a5c..a88fa841d29d 100644
--- a/arch/arm/mach-spear3xx/spear320.c
+++ b/arch/arm/mach-spear3xx/spear320.c
@@ -27,7 +27,6 @@
 #define SPEAR320_UART2_BASE		UL(0xA4000000)
 #define SPEAR320_SSP0_BASE		UL(0xA5000000)
 #define SPEAR320_SSP1_BASE		UL(0xA6000000)
-#define SPEAR320_SOC_CONFIG_BASE	UL(0xB3000000)
 
 /* Interrupt registers offsets and masks */
 #define SPEAR320_INT_STS_MASK_REG		0x04
@@ -481,10 +480,19 @@ static const char * const spear320_dt_board_compat[] = {
 	NULL,
 };
 
+struct map_desc spear320_io_desc[] __initdata = {
+	{
+		.virtual	= VA_SPEAR320_SOC_CONFIG_BASE,
+		.pfn		= __phys_to_pfn(SPEAR320_SOC_CONFIG_BASE),
+		.length		= SZ_16M,
+		.type		= MT_DEVICE
+	},
+};
+
 static void __init spear320_map_io(void)
 {
+	iotable_init(spear320_io_desc, ARRAY_SIZE(spear320_io_desc));
 	spear3xx_map_io();
-	spear320_clk_init();
 }
 
 DT_MACHINE_START(SPEAR320_DT, "ST SPEAr320 SoC with Flattened Device Tree")
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index 826ac20ef1e7..f22419ed74a8 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -90,6 +90,8 @@ static void __init spear3xx_timer_init(void)
 	char pclk_name[] = "pll3_48m_clk";
 	struct clk *gpt_clk, *pclk;
 
+	spear3xx_clk_init();
+
 	/* get the system timer clock */
 	gpt_clk = clk_get_sys("gpt0", NULL);
 	if (IS_ERR(gpt_clk)) {
@@ -109,7 +111,7 @@ static void __init spear3xx_timer_init(void)
 	clk_put(gpt_clk);
 	clk_put(pclk);
 
-	spear_setup_timer(SPEAR3XX_CPU_TMR_BASE, SPEAR3XX_IRQ_CPU_GPT1_1);
+	spear_setup_of_timer();
 }
 
 struct sys_timer spear3xx_timer = {