1 files changed, 0 insertions, 410 deletions
diff --git a/arch/arm/mach-omap2/am33xx/clock_ti814x.c b/arch/arm/mach-omap2/am33xx/clock_ti814x.c
deleted file mode 100644
index 27abaff48f..0000000000
--- a/arch/arm/mach-omap2/am33xx/clock_ti814x.c
+++ /dev/null
@@ -1,410 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * clock_ti814x.c
- *
- * Clocks for TI814X based boards
- *
- * Copyright (C) 2013, Texas Instruments, Incorporated
- */
-
-#include <common.h>
-#include <asm/arch/cpu.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/hardware.h>
-#include <asm/io.h>
-#include <linux/delay.h>
-
-/* PRCM */
-#define PRCM_MOD_EN		0x2
-
-/* CLK_SRC */
-#define OSC_SRC0		0
-#define OSC_SRC1		1
-
-#define L3_OSC_SRC		OSC_SRC0
-
-#define OSC_0_FREQ		20
-
-#define DCO_HS2_MIN		500
-#define DCO_HS2_MAX		1000
-#define DCO_HS1_MIN		1000
-#define DCO_HS1_MAX		2000
-
-#define SELFREQDCO_HS2		0x00000801
-#define SELFREQDCO_HS1		0x00001001
-
-#define MPU_N			0x1
-#define MPU_M			0x3C
-#define MPU_M2			1
-#define MPU_CLKCTRL		0x1
-
-#define L3_N			19
-#define L3_M			880
-#define L3_M2			4
-#define L3_CLKCTRL		0x801
-
-#define DDR_N			19
-#define DDR_M			666
-#define DDR_M2			2
-#define DDR_CLKCTRL		0x801
-
-/* ADPLLJ register values */
-#define ADPLLJ_CLKCTRL_HS2	0x00000801 /* HS2 mode, TINT2 = 1 */
-#define ADPLLJ_CLKCTRL_HS1	0x00001001 /* HS1 mode, TINT2 = 1 */
-#define ADPLLJ_CLKCTRL_CLKDCOLDOEN	(1 << 29)
-#define ADPLLJ_CLKCTRL_IDLE		(1 << 23)
-#define ADPLLJ_CLKCTRL_CLKOUTEN		(1 << 20)
-#define ADPLLJ_CLKCTRL_CLKOUTLDOEN	(1 << 19)
-#define ADPLLJ_CLKCTRL_CLKDCOLDOPWDNZ	(1 << 17)
-#define ADPLLJ_CLKCTRL_LPMODE		(1 << 12)
-#define ADPLLJ_CLKCTRL_DRIFTGUARDIAN	(1 << 11)
-#define ADPLLJ_CLKCTRL_REGM4XEN		(1 << 10)
-#define ADPLLJ_CLKCTRL_TINITZ		(1 << 0)
-#define ADPLLJ_CLKCTRL_CLKDCO		(ADPLLJ_CLKCTRL_CLKDCOLDOEN | \
-					 ADPLLJ_CLKCTRL_CLKOUTEN | \
-					 ADPLLJ_CLKCTRL_CLKOUTLDOEN | \
-					 ADPLLJ_CLKCTRL_CLKDCOLDOPWDNZ)
-
-#define ADPLLJ_STATUS_PHASELOCK		(1 << 10)
-#define ADPLLJ_STATUS_FREQLOCK		(1 << 9)
-#define ADPLLJ_STATUS_PHSFRQLOCK	(ADPLLJ_STATUS_PHASELOCK | \
-					 ADPLLJ_STATUS_FREQLOCK)
-#define ADPLLJ_STATUS_BYPASSACK		(1 << 8)
-#define ADPLLJ_STATUS_BYPASS		(1 << 0)
-#define ADPLLJ_STATUS_BYPASSANDACK	(ADPLLJ_STATUS_BYPASSACK | \
-					 ADPLLJ_STATUS_BYPASS)
-
-#define ADPLLJ_TENABLE_ENB		(1 << 0)
-#define ADPLLJ_TENABLEDIV_ENB		(1 << 0)
-
-#define ADPLLJ_M2NDIV_M2SHIFT		16
-
-#define MPU_PLL_BASE			(PLL_SUBSYS_BASE + 0x048)
-#define L3_PLL_BASE			(PLL_SUBSYS_BASE + 0x110)
-#define DDR_PLL_BASE			(PLL_SUBSYS_BASE + 0x290)
-
-struct ad_pll {
-	unsigned int pwrctrl;
-	unsigned int clkctrl;
-	unsigned int tenable;
-	unsigned int tenablediv;
-	unsigned int m2ndiv;
-	unsigned int mn2div;
-	unsigned int fracdiv;
-	unsigned int bwctrl;
-	unsigned int fracctrl;
-	unsigned int status;
-	unsigned int m3div;
-	unsigned int rampctrl;
-};
-
-#define OSC_SRC_CTRL			(PLL_SUBSYS_BASE + 0x2C0)
-
-#define ENET_CLKCTRL_CMPL		0x30000
-
-#define SATA_PLL_BASE			(CTRL_BASE + 0x0720)
-
-struct sata_pll {
-	unsigned int pllcfg0;
-	unsigned int pllcfg1;
-	unsigned int pllcfg2;
-	unsigned int pllcfg3;
-	unsigned int pllcfg4;
-	unsigned int pllstatus;
-	unsigned int rxstatus;
-	unsigned int txstatus;
-	unsigned int testcfg;
-};
-
-#define SEL_IN_FREQ		(0x1 << 31)
-#define DIGCLRZ			(0x1 << 30)
-#define ENDIGLDO		(0x1 << 4)
-#define APLL_CP_CURR		(0x1 << 3)
-#define ENBGSC_REF		(0x1 << 2)
-#define ENPLLLDO		(0x1 << 1)
-#define ENPLL			(0x1 << 0)
-
-#define SATA_PLLCFG0_1 (SEL_IN_FREQ | ENBGSC_REF)
-#define SATA_PLLCFG0_2 (SEL_IN_FREQ | ENDIGLDO | ENBGSC_REF)
-#define SATA_PLLCFG0_3 (SEL_IN_FREQ | ENDIGLDO | ENBGSC_REF | ENPLLLDO)
-#define SATA_PLLCFG0_4 (SEL_IN_FREQ | DIGCLRZ | ENDIGLDO | ENBGSC_REF | \
-			ENPLLLDO | ENPLL)
-
-#define PLL_LOCK		(0x1 << 0)
-
-#define ENSATAMODE		(0x1 << 31)
-#define PLLREFSEL		(0x1 << 30)
-#define MDIVINT			(0x4b << 18)
-#define EN_CLKAUX		(0x1 << 5)
-#define EN_CLK125M		(0x1 << 4)
-#define EN_CLK100M		(0x1 << 3)
-#define EN_CLK50M		(0x1 << 2)
-
-#define SATA_PLLCFG1 (ENSATAMODE |	\
-		      PLLREFSEL |	\
-		      MDIVINT |		\
-		      EN_CLKAUX |	\
-		      EN_CLK125M |	\
-		      EN_CLK100M |	\
-		      EN_CLK50M)
-
-#define DIGLDO_EN_CAPLESSMODE	(0x1 << 22)
-#define PLLDO_EN_LDO_STABLE	(0x1 << 11)
-#define PLLDO_EN_BUF_CUR	(0x1 << 7)
-#define PLLDO_EN_LP		(0x1 << 6)
-#define PLLDO_CTRL_TRIM_1_4V	(0x10 << 1)
-
-#define SATA_PLLCFG3 (DIGLDO_EN_CAPLESSMODE |	\
-		      PLLDO_EN_LDO_STABLE |	\
-		      PLLDO_EN_BUF_CUR |	\
-		      PLLDO_EN_LP |		\
-		      PLLDO_CTRL_TRIM_1_4V)
-
-const struct cm_alwon *cmalwon = (struct cm_alwon *)CM_ALWON_BASE;
-const struct cm_def *cmdef = (struct cm_def *)CM_DEFAULT_BASE;
-const struct sata_pll *spll = (struct sata_pll *)SATA_PLL_BASE;
-
-/*
- * Enable the peripheral clock for required peripherals
- */
-static void enable_per_clocks(void)
-{
-	/* HSMMC1 */
-	writel(PRCM_MOD_EN, &cmalwon->mmchs1clkctrl);
-	while (readl(&cmalwon->mmchs1clkctrl) != PRCM_MOD_EN)
-		;
-
-	/* Ethernet */
-	writel(PRCM_MOD_EN, &cmalwon->ethclkstctrl);
-	writel(PRCM_MOD_EN, &cmalwon->ethernet0clkctrl);
-	while ((readl(&cmalwon->ethernet0clkctrl) & ENET_CLKCTRL_CMPL) != 0)
-		;
-	writel(PRCM_MOD_EN, &cmalwon->ethernet1clkctrl);
-	while ((readl(&cmalwon->ethernet1clkctrl) & ENET_CLKCTRL_CMPL) != 0)
-		;
-
-	/* RTC clocks */
-	writel(PRCM_MOD_EN, &cmalwon->rtcclkstctrl);
-	writel(PRCM_MOD_EN, &cmalwon->rtcclkctrl);
-	while (readl(&cmalwon->rtcclkctrl) != PRCM_MOD_EN)
-		;
-}
-
-/*
- * select the HS1 or HS2 for DCO Freq
- * return : CLKCTRL
- */
-static u32 pll_dco_freq_sel(u32 clkout_dco)
-{
-	if (clkout_dco >= DCO_HS2_MIN && clkout_dco < DCO_HS2_MAX)
-		return SELFREQDCO_HS2;
-	else if (clkout_dco >= DCO_HS1_MIN && clkout_dco < DCO_HS1_MAX)
-		return SELFREQDCO_HS1;
-	else
-		return -1;
-}
-
-/*
- * select the sigma delta config
- * return: sigma delta val
- */
-static u32 pll_sigma_delta_val(u32 clkout_dco)
-{
-	u32 sig_val = 0;
-
-	sig_val = (clkout_dco + 225) / 250;
-	sig_val = sig_val << 24;
-
-	return sig_val;
-}
-
-/*
- * configure individual ADPLLJ
- */
-static void pll_config(u32 base, u32 n, u32 m, u32 m2,
-		       u32 clkctrl_val, int adpllj)
-{
-	const struct ad_pll *adpll = (struct ad_pll *)base;
-	u32 m2nval, mn2val, read_clkctrl = 0, clkout_dco = 0;
-	u32 sig_val = 0, hs_mod = 0;
-
-	m2nval = (m2 << ADPLLJ_M2NDIV_M2SHIFT) | n;
-	mn2val = m;
-
-	/* calculate clkout_dco */
-	clkout_dco = ((OSC_0_FREQ / (n+1)) * m);
-
-	/* sigma delta & Hs mode selection skip for ADPLLS*/
-	if (adpllj) {
-		sig_val = pll_sigma_delta_val(clkout_dco);
-		hs_mod = pll_dco_freq_sel(clkout_dco);
-	}
-
-	/* by-pass pll */
-	read_clkctrl = readl(&adpll->clkctrl);
-	writel((read_clkctrl | ADPLLJ_CLKCTRL_IDLE), &adpll->clkctrl);
-	while ((readl(&adpll->status) & ADPLLJ_STATUS_BYPASSANDACK)
-		!= ADPLLJ_STATUS_BYPASSANDACK)
-		;
-
-	/* clear TINITZ */
-	read_clkctrl = readl(&adpll->clkctrl);
-	writel((read_clkctrl & ~ADPLLJ_CLKCTRL_TINITZ), &adpll->clkctrl);
-
-	/*
-	 * ref_clk = 20/(n + 1);
-	 * clkout_dco = ref_clk * m;
-	 * clk_out = clkout_dco/m2;
-	*/
-	read_clkctrl = readl(&adpll->clkctrl) &
-			     ~(ADPLLJ_CLKCTRL_LPMODE |
-			     ADPLLJ_CLKCTRL_DRIFTGUARDIAN |
-			     ADPLLJ_CLKCTRL_REGM4XEN);
-	writel(m2nval, &adpll->m2ndiv);
-	writel(mn2val, &adpll->mn2div);
-
-	/* Skip for modena(ADPLLS) */
-	if (adpllj) {
-		writel(sig_val, &adpll->fracdiv);
-		writel((read_clkctrl | hs_mod), &adpll->clkctrl);
-	}
-
-	/* Load M2, N2 dividers of ADPLL */
-	writel(ADPLLJ_TENABLEDIV_ENB, &adpll->tenablediv);
-	writel(~ADPLLJ_TENABLEDIV_ENB, &adpll->tenablediv);
-
-	/* Load M, N dividers of ADPLL */
-	writel(ADPLLJ_TENABLE_ENB, &adpll->tenable);
-	writel(~ADPLLJ_TENABLE_ENB, &adpll->tenable);
-
-	/* Configure CLKDCOLDOEN,CLKOUTLDOEN,CLKOUT Enable BITS */
-	read_clkctrl = readl(&adpll->clkctrl) & ~ADPLLJ_CLKCTRL_CLKDCO;
-	if (adpllj)
-		writel((read_clkctrl | ADPLLJ_CLKCTRL_CLKDCO),
-						&adpll->clkctrl);
-
-	/* Enable TINTZ and disable IDLE(PLL in Active & Locked Mode */
-	read_clkctrl = readl(&adpll->clkctrl) & ~ADPLLJ_CLKCTRL_IDLE;
-	writel((read_clkctrl | ADPLLJ_CLKCTRL_TINITZ), &adpll->clkctrl);
-
-	/* Wait for phase and freq lock */
-	while ((readl(&adpll->status) & ADPLLJ_STATUS_PHSFRQLOCK) !=
-	       ADPLLJ_STATUS_PHSFRQLOCK)
-		;
-}
-
-static void unlock_pll_control_mmr(void)
-{
-	/* TRM 2.10.1.4 and 3.2.7-3.2.11 */
-	writel(0x1EDA4C3D, 0x481C5040);
-	writel(0x2FF1AC2B, 0x48140060);
-	writel(0xF757FDC0, 0x48140064);
-	writel(0xE2BC3A6D, 0x48140068);
-	writel(0x1EBF131D, 0x4814006c);
-	writel(0x6F361E05, 0x48140070);
-}
-
-static void mpu_pll_config(void)
-{
-	pll_config(MPU_PLL_BASE, MPU_N, MPU_M, MPU_M2, MPU_CLKCTRL, 0);
-}
-
-static void l3_pll_config(void)
-{
-	u32 l3_osc_src, rd_osc_src = 0;
-
-	l3_osc_src = L3_OSC_SRC;
-	rd_osc_src = readl(OSC_SRC_CTRL);
-
-	if (OSC_SRC0 == l3_osc_src)
-		writel((rd_osc_src & 0xfffffffe)|0x0, OSC_SRC_CTRL);
-	else
-		writel((rd_osc_src & 0xfffffffe)|0x1, OSC_SRC_CTRL);
-
-	pll_config(L3_PLL_BASE, L3_N, L3_M, L3_M2, L3_CLKCTRL, 1);
-}
-
-void ddr_pll_config(unsigned int ddrpll_m)
-{
-	pll_config(DDR_PLL_BASE, DDR_N, DDR_M, DDR_M2, DDR_CLKCTRL, 1);
-}
-
-void sata_pll_config(void)
-{
-	/*
-	 * This sequence for configuring the SATA PLL
-	 * resident in the control module is documented
-	 * in TI8148 TRM section 21.3.1
-	 */
-	writel(SATA_PLLCFG1, &spll->pllcfg1);
-	udelay(50);
-
-	writel(SATA_PLLCFG3, &spll->pllcfg3);
-	udelay(50);
-
-	writel(SATA_PLLCFG0_1, &spll->pllcfg0);
-	udelay(50);
-
-	writel(SATA_PLLCFG0_2, &spll->pllcfg0);
-	udelay(50);
-
-	writel(SATA_PLLCFG0_3, &spll->pllcfg0);
-	udelay(50);
-
-	writel(SATA_PLLCFG0_4, &spll->pllcfg0);
-	udelay(50);
-
-	while (((readl(&spll->pllstatus) & PLL_LOCK) == 0))
-		;
-}
-
-void enable_dmm_clocks(void)
-{
-	writel(PRCM_MOD_EN, &cmdef->fwclkctrl);
-	writel(PRCM_MOD_EN, &cmdef->l3fastclkstctrl);
-	writel(PRCM_MOD_EN, &cmdef->emif0clkctrl);
-	while ((readl(&cmdef->emif0clkctrl)) != PRCM_MOD_EN)
-		;
-	writel(PRCM_MOD_EN, &cmdef->emif1clkctrl);
-	while ((readl(&cmdef->emif1clkctrl)) != PRCM_MOD_EN)
-		;
-	while ((readl(&cmdef->l3fastclkstctrl) & 0x300) != 0x300)
-		;
-	writel(PRCM_MOD_EN, &cmdef->dmmclkctrl);
-	while ((readl(&cmdef->dmmclkctrl)) != PRCM_MOD_EN)
-		;
-	writel(PRCM_MOD_EN, &cmalwon->l3slowclkstctrl);
-	while ((readl(&cmalwon->l3slowclkstctrl) & 0x2100) != 0x2100)
-		;
-}
-
-void setup_clocks_for_console(void)
-{
-	unlock_pll_control_mmr();
-	/* UART0 */
-	writel(PRCM_MOD_EN, &cmalwon->uart0clkctrl);
-	while (readl(&cmalwon->uart0clkctrl) != PRCM_MOD_EN)
-		;
-}
-
-void setup_early_clocks(void)
-{
-	setup_clocks_for_console();
-}
-
-/*
- * Configure the PLL/PRCM for necessary peripherals
- */
-void prcm_init(void)
-{
-	/* Enable the control module */
-	writel(PRCM_MOD_EN, &cmalwon->controlclkctrl);
-
-	/* Configure PLLs */
-	mpu_pll_config();
-	l3_pll_config();
-	sata_pll_config();
-
-	/* Enable the required peripherals */
-	enable_per_clocks();
-}