1 files changed, 0 insertions, 432 deletions
diff --git a/arch/arm/cpu/arm1176/tnetv107x/clock.c b/arch/arm/cpu/arm1176/tnetv107x/clock.c
deleted file mode 100644
index 7ba28d329f..0000000000
--- a/arch/arm/cpu/arm1176/tnetv107x/clock.c
+++ /dev/null
@@ -1,432 +0,0 @@
-/*
- * TNETV107X: Clock management APIs
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm-generic/errno.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <asm/arch/clock.h>
-
-#define CLOCK_BASE		TNETV107X_CLOCK_CONTROL_BASE
-#define PSC_BASE		TNETV107X_PSC_BASE
-
-#define BIT(x)			(1 << (x))
-
-#define MAX_PREDIV		64
-#define MAX_POSTDIV		8UL
-#define MAX_MULT		512
-#define MAX_DIV			(MAX_PREDIV * MAX_POSTDIV)
-
-/* LPSC registers */
-#define PSC_PTCMD		0x120
-#define PSC_PTSTAT		0x128
-#define PSC_MDSTAT(n)		(0x800 + (n) * 4)
-#define PSC_MDCTL(n)		(0xA00 + (n) * 4)
-
-#define PSC_MDCTL_LRSTZ		BIT(8)
-
-#define psc_reg_read(reg)	__raw_readl((u32 *)(PSC_BASE + (reg)))
-#define psc_reg_write(reg, val)	__raw_writel(val, (u32 *)(PSC_BASE + (reg)))
-
-/* SSPLL registers */
-struct sspll_regs {
-	u32	modes;
-	u32	postdiv;
-	u32	prediv;
-	u32	mult_factor;
-	u32	divider_range;
-	u32	bw_divider;
-	u32	spr_amount;
-	u32	spr_rate_div;
-	u32	diag;
-};
-
-/* SSPLL base addresses */
-static struct sspll_regs *sspll_regs[] = {
-	(struct sspll_regs *)(CLOCK_BASE + 0x040),
-	(struct sspll_regs *)(CLOCK_BASE + 0x080),
-	(struct sspll_regs *)(CLOCK_BASE + 0x0c0),
-};
-
-#define sspll_reg(pll, reg)		(&(sspll_regs[pll]->reg))
-#define sspll_reg_read(pll, reg)	__raw_readl(sspll_reg(pll, reg))
-#define sspll_reg_write(pll, reg, val)	__raw_writel(val, sspll_reg(pll, reg))
-
-
-/* PLL Control Registers */
-struct pllctl_regs {
-	u32	ctl;		/* 00 */
-	u32	ocsel;		/* 04 */
-	u32	secctl;		/* 08 */
-	u32	__pad0;
-	u32	mult;		/* 10 */
-	u32	prediv;		/* 14 */
-	u32	div1;		/* 18 */
-	u32	div2;		/* 1c */
-	u32	div3;		/* 20 */
-	u32	oscdiv1;	/* 24 */
-	u32	postdiv;	/* 28 */
-	u32	bpdiv;		/* 2c */
-	u32	wakeup;		/* 30 */
-	u32	__pad1;
-	u32	cmd;		/* 38 */
-	u32	stat;		/* 3c */
-	u32	alnctl;		/* 40 */
-	u32	dchange;	/* 44 */
-	u32	cken;		/* 48 */
-	u32	ckstat;		/* 4c */
-	u32	systat;		/* 50 */
-	u32	ckctl;		/* 54 */
-	u32	__pad2[2];
-	u32	div4;		/* 60 */
-	u32	div5;		/* 64 */
-	u32	div6;		/* 68 */
-	u32	div7;		/* 6c */
-	u32	div8;		/* 70 */
-};
-
-struct lpsc_map {
-	int	pll, div;
-};
-
-static struct pllctl_regs *pllctl_regs[] = {
-	(struct pllctl_regs *)(CLOCK_BASE + 0x700),
-	(struct pllctl_regs *)(CLOCK_BASE + 0x300),
-	(struct pllctl_regs *)(CLOCK_BASE + 0x500),
-};
-
-#define pllctl_reg(pll, reg)		(&(pllctl_regs[pll]->reg))
-#define pllctl_reg_read(pll, reg)	__raw_readl(pllctl_reg(pll, reg))
-#define pllctl_reg_write(pll, reg, val)	__raw_writel(val, pllctl_reg(pll, reg))
-
-#define pllctl_reg_rmw(pll, reg, mask, val)			\
-	pllctl_reg_write(pll, reg,				\
-		(pllctl_reg_read(pll, reg) & ~(mask)) | val)
-
-#define pllctl_reg_setbits(pll, reg, mask)			\
-	pllctl_reg_rmw(pll, reg, 0, mask)
-
-#define pllctl_reg_clrbits(pll, reg, mask)			\
-	pllctl_reg_rmw(pll, reg, mask, 0)
-
-/* PLLCTL Bits */
-#define PLLCTL_CLKMODE		BIT(8)
-#define PLLCTL_PLLSELB		BIT(7)
-#define PLLCTL_PLLENSRC		BIT(5)
-#define PLLCTL_PLLDIS		BIT(4)
-#define PLLCTL_PLLRST		BIT(3)
-#define PLLCTL_PLLPWRDN		BIT(1)
-#define PLLCTL_PLLEN		BIT(0)
-
-#define PLLDIV_ENABLE		BIT(15)
-
-static int pll_div_offset[] = {
-#define div_offset(reg)	offsetof(struct pllctl_regs, reg)
-	div_offset(div1), div_offset(div2), div_offset(div3),
-	div_offset(div4), div_offset(div5), div_offset(div6),
-	div_offset(div7), div_offset(div8),
-};
-
-static unsigned long pll_bypass_mask[] = { 1, 4, 2 };
-static unsigned long pll_div_mask[] = { 0x01ff, 0x00ff, 0x00ff };
-
-/* Mappings from PLL+DIV to subsystem clocks */
-#define sys_arm1176_clk		{SYS_PLL, 0}
-#define sys_dsp_clk		{SYS_PLL, 1}
-#define sys_ddr_clk		{SYS_PLL, 2}
-#define sys_full_clk		{SYS_PLL, 3}
-#define sys_lcd_clk		{SYS_PLL, 4}
-#define sys_vlynq_ref_clk	{SYS_PLL, 5}
-#define sys_tsc_clk		{SYS_PLL, 6}
-#define sys_half_clk		{SYS_PLL, 7}
-
-#define eth_clk_5		{ETH_PLL, 0}
-#define eth_clk_50		{ETH_PLL, 1}
-#define eth_clk_125		{ETH_PLL, 2}
-#define eth_clk_250		{ETH_PLL, 3}
-#define eth_clk_25		{ETH_PLL, 4}
-
-#define tdm_clk			{TDM_PLL, 0}
-#define tdm_extra_clk		{TDM_PLL, 1}
-#define tdm1_clk		{TDM_PLL, 2}
-
-static const struct lpsc_map lpsc_clk_map[] = {
-	[TNETV107X_LPSC_ARM]			= sys_arm1176_clk,
-	[TNETV107X_LPSC_GEM]			= sys_dsp_clk,
-	[TNETV107X_LPSC_DDR2_PHY]		= sys_ddr_clk,
-	[TNETV107X_LPSC_TPCC]			= sys_full_clk,
-	[TNETV107X_LPSC_TPTC0]			= sys_full_clk,
-	[TNETV107X_LPSC_TPTC1]			= sys_full_clk,
-	[TNETV107X_LPSC_RAM]			= sys_full_clk,
-	[TNETV107X_LPSC_MBX_LITE]		= sys_arm1176_clk,
-	[TNETV107X_LPSC_LCD]			= sys_lcd_clk,
-	[TNETV107X_LPSC_ETHSS]			= eth_clk_125,
-	[TNETV107X_LPSC_AEMIF]			= sys_full_clk,
-	[TNETV107X_LPSC_CHIP_CFG]		= sys_half_clk,
-	[TNETV107X_LPSC_TSC]			= sys_tsc_clk,
-	[TNETV107X_LPSC_ROM]			= sys_half_clk,
-	[TNETV107X_LPSC_UART2]			= sys_half_clk,
-	[TNETV107X_LPSC_PKTSEC]			= sys_half_clk,
-	[TNETV107X_LPSC_SECCTL]			= sys_half_clk,
-	[TNETV107X_LPSC_KEYMGR]			= sys_half_clk,
-	[TNETV107X_LPSC_KEYPAD]			= sys_half_clk,
-	[TNETV107X_LPSC_GPIO]			= sys_half_clk,
-	[TNETV107X_LPSC_MDIO]			= sys_half_clk,
-	[TNETV107X_LPSC_SDIO0]			= sys_half_clk,
-	[TNETV107X_LPSC_UART0]			= sys_half_clk,
-	[TNETV107X_LPSC_UART1]			= sys_half_clk,
-	[TNETV107X_LPSC_TIMER0]			= sys_half_clk,
-	[TNETV107X_LPSC_TIMER1]			= sys_half_clk,
-	[TNETV107X_LPSC_WDT_ARM]		= sys_half_clk,
-	[TNETV107X_LPSC_WDT_DSP]		= sys_half_clk,
-	[TNETV107X_LPSC_SSP]			= sys_half_clk,
-	[TNETV107X_LPSC_TDM0]			= tdm_clk,
-	[TNETV107X_LPSC_VLYNQ]			= sys_vlynq_ref_clk,
-	[TNETV107X_LPSC_MCDMA]			= sys_half_clk,
-	[TNETV107X_LPSC_USB0]			= sys_half_clk,
-	[TNETV107X_LPSC_TDM1]			= tdm1_clk,
-	[TNETV107X_LPSC_DEBUGSS]		= sys_half_clk,
-	[TNETV107X_LPSC_ETHSS_RGMII]		= eth_clk_250,
-	[TNETV107X_LPSC_SYSTEM]			= sys_half_clk,
-	[TNETV107X_LPSC_IMCOP]			= sys_dsp_clk,
-	[TNETV107X_LPSC_SPARE]			= sys_half_clk,
-	[TNETV107X_LPSC_SDIO1]			= sys_half_clk,
-	[TNETV107X_LPSC_USB1]			= sys_half_clk,
-	[TNETV107X_LPSC_USBSS]			= sys_half_clk,
-	[TNETV107X_LPSC_DDR2_EMIF1_VRST]	= sys_ddr_clk,
-	[TNETV107X_LPSC_DDR2_EMIF2_VCTL_RST]	= sys_ddr_clk,
-};
-
-static const unsigned long pll_ext_freq[] = {
-	[SYS_PLL] = CONFIG_PLL_SYS_EXT_FREQ,
-	[ETH_PLL] = CONFIG_PLL_ETH_EXT_FREQ,
-	[TDM_PLL] = CONFIG_PLL_TDM_EXT_FREQ,
-};
-
-static unsigned long pll_freq_get(int pll)
-{
-	unsigned long mult = 1, prediv = 1, postdiv = 1;
-	unsigned long ref = CONFIG_SYS_INT_OSC_FREQ;
-	unsigned long ret;
-	u32 bypass;
-
-	bypass = __raw_readl((u32 *)(CLOCK_BASE));
-	if (!(bypass & pll_bypass_mask[pll])) {
-		mult	= sspll_reg_read(pll, mult_factor);
-		prediv	= sspll_reg_read(pll, prediv) + 1;
-		postdiv	= sspll_reg_read(pll, postdiv) + 1;
-	}
-
-	if (pllctl_reg_read(pll, ctl) & PLLCTL_CLKMODE)
-		ref = pll_ext_freq[pll];
-
-	if (!(pllctl_reg_read(pll, ctl) & PLLCTL_PLLEN))
-		return ref;
-
-	ret = (unsigned long)(ref + ((unsigned long long)ref * mult) / 256);
-	ret /= (prediv * postdiv);
-
-	return ret;
-}
-
-static unsigned long __pll_div_freq_get(int pll, unsigned int fpll,
-					int div)
-{
-	int divider = 1;
-	unsigned long divreg;
-
-	divreg = __raw_readl((void *)pllctl_regs[pll] + pll_div_offset[div]);
-
-	if (divreg & PLLDIV_ENABLE)
-		divider = (divreg & pll_div_mask[pll]) + 1;
-
-	return fpll / divider;
-}
-
-static unsigned long pll_div_freq_get(int pll, int div)
-{
-	unsigned int fpll = pll_freq_get(pll);
-
-	return __pll_div_freq_get(pll, fpll, div);
-}
-
-static void __pll_div_freq_set(int pll, unsigned int fpll, int div,
-			       unsigned long hz)
-{
-	int divider = (fpll / hz - 1);
-
-	divider &= pll_div_mask[pll];
-	divider |= PLLDIV_ENABLE;
-
-	__raw_writel(divider, (void *)pllctl_regs[pll] + pll_div_offset[div]);
-	pllctl_reg_setbits(pll, alnctl, (1 << div));
-	pllctl_reg_setbits(pll, dchange, (1 << div));
-}
-
-static unsigned long pll_div_freq_set(int pll, int div, unsigned long hz)
-{
-	unsigned int fpll = pll_freq_get(pll);
-
-	__pll_div_freq_set(pll, fpll, div, hz);
-
-	pllctl_reg_write(pll, cmd, 1);
-
-	/* Wait until new divider takes effect */
-	while (pllctl_reg_read(pll, stat) & 0x01);
-
-	return __pll_div_freq_get(pll, fpll, div);
-}
-
-unsigned long clk_get_rate(unsigned int clk)
-{
-	return pll_div_freq_get(lpsc_clk_map[clk].pll, lpsc_clk_map[clk].div);
-}
-
-unsigned long clk_round_rate(unsigned int clk, unsigned long hz)
-{
-	unsigned long fpll, divider, pll;
-
-	pll = lpsc_clk_map[clk].pll;
-	fpll = pll_freq_get(pll);
-	divider = (fpll / hz - 1);
-	divider &= pll_div_mask[pll];
-
-	return fpll / (divider + 1);
-}
-
-int clk_set_rate(unsigned int clk, unsigned long _hz)
-{
-	unsigned long hz;
-
-	hz = clk_round_rate(clk, _hz);
-	if (hz != _hz)
-		return -EINVAL;	/* Cannot set to target freq */
-
-	pll_div_freq_set(lpsc_clk_map[clk].pll, lpsc_clk_map[clk].div, hz);
-	return 0;
-}
-
-void lpsc_control(int mod, unsigned long state, int lrstz)
-{
-	u32 mdctl;
-
-	mdctl = psc_reg_read(PSC_MDCTL(mod));
-	mdctl &= ~0x1f;
-	mdctl |= state;
-
-	if (lrstz == 0)
-		mdctl &= ~PSC_MDCTL_LRSTZ;
-	else if (lrstz == 1)
-		mdctl |= PSC_MDCTL_LRSTZ;
-
-	psc_reg_write(PSC_MDCTL(mod), mdctl);
-
-	psc_reg_write(PSC_PTCMD, 1);
-
-	/* wait for power domain transition to end */
-	while (psc_reg_read(PSC_PTSTAT) & 1);
-
-	/* Wait for module state change */
-	while ((psc_reg_read(PSC_MDSTAT(mod)) & 0x1f) != state);
-}
-
-int lpsc_status(unsigned int id)
-{
-	return psc_reg_read(PSC_MDSTAT(id)) & 0x1f;
-}
-
-static void init_pll(const struct pll_init_data *data)
-{
-	unsigned long fpll;
-	unsigned long best_pre = 0, best_post = 0, best_mult = 0;
-	unsigned long div, prediv, postdiv, mult;
-	unsigned long delta, actual;
-	long best_delta = -1;
-	int i;
-	u32 tmp;
-
-	if (data->pll == SYS_PLL)
-		return; /* cannot reconfigure system pll on the fly */
-
-	tmp = pllctl_reg_read(data->pll, ctl);
-	if (data->internal_osc) {
-		tmp &= ~PLLCTL_CLKMODE;
-		fpll = CONFIG_SYS_INT_OSC_FREQ;
-	} else {
-		tmp |= PLLCTL_CLKMODE;
-		fpll = pll_ext_freq[data->pll];
-	}
-	pllctl_reg_write(data->pll, ctl, tmp);
-
-	mult = data->pll_freq / fpll;
-	for (mult = max(mult, 1UL); mult <= MAX_MULT; mult++) {
-		div = (fpll * mult) / data->pll_freq;
-		if (div < 1 || div > MAX_DIV)
-			continue;
-
-		for (postdiv = 1; postdiv <= min(div, MAX_POSTDIV); postdiv++) {
-			prediv = div / postdiv;
-			if (prediv < 1 || prediv > MAX_PREDIV)
-				continue;
-
-			actual = (fpll / prediv) * (mult / postdiv);
-			delta = (actual - data->pll_freq);
-			if (delta < 0)
-				delta = -delta;
-			if ((delta < best_delta) || (best_delta == -1)) {
-				best_delta = delta;
-				best_mult = mult;
-				best_pre = prediv;
-				best_post = postdiv;
-				if (delta == 0)
-					goto done;
-			}
-		}
-	}
-done:
-
-	if (best_delta == -1) {
-		printf("pll cannot derive %lu from %lu\n",
-				data->pll_freq, fpll);
-		return;
-	}
-
-	fpll = fpll * best_mult;
-	fpll /= best_pre * best_post;
-
-	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLENSRC);
-	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN);
-
-	pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLRST);
-
-	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLPWRDN);
-	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLDIS);
-
-	sspll_reg_write(data->pll, mult_factor,	(best_mult - 1) << 8);
-	sspll_reg_write(data->pll, prediv,	best_pre - 1);
-	sspll_reg_write(data->pll, postdiv,	best_post - 1);
-
-	for (i = 0; i < 10; i++)
-		if (data->div_freq[i])
-			__pll_div_freq_set(data->pll, fpll, i,
-					   data->div_freq[i]);
-
-	pllctl_reg_write(data->pll, cmd, 1);
-
-	/* Wait until pll "go" operation completes */
-	while (pllctl_reg_read(data->pll, stat) & 0x01);
-
-	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLRST);
-	pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLEN);
-}
-
-void init_plls(int num_pll, struct pll_init_data *config)
-{
-	int i;
-
-	for (i = 0; i < num_pll; i++)
-		init_pll(&config[i]);
-}