1 files changed, 0 insertions, 274 deletions
diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c
deleted file mode 100644
index 9cd60abccc..0000000000
--- a/arch/arm/cpu/arm926ejs/mx25/generic.c
+++ /dev/null
@@ -1,274 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2009 DENX Software Engineering
- * Author: John Rigby <jrigby@gmail.com>
- *
- * Based on mx27/generic.c:
- *  Copyright (c) 2008 Eric Jarrige <eric.jarrige@armadeus.org>
- *  Copyright (c) 2009 Ilya Yanok <yanok@emcraft.com>
- */
-
-#include <common.h>
-#include <clock_legacy.h>
-#include <div64.h>
-#include <init.h>
-#include <net.h>
-#include <netdev.h>
-#include <vsprintf.h>
-#include <asm/global_data.h>
-#include <asm/io.h>
-#include <asm/arch-imx/cpu.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-
-#ifdef CONFIG_FSL_ESDHC_IMX
-#include <fsl_esdhc_imx.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
-/*
- *  get the system pll clock in Hz
- *
- *                  mfi + mfn / (mfd +1)
- *  f = 2 * f_ref * --------------------
- *                        pd + 1
- */
-static unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref)
-{
-	unsigned int mfi = (pll >> CCM_PLL_MFI_SHIFT)
-	    & CCM_PLL_MFI_MASK;
-	int mfn = (pll >> CCM_PLL_MFN_SHIFT)
-	    & CCM_PLL_MFN_MASK;
-	unsigned int mfd = (pll >> CCM_PLL_MFD_SHIFT)
-	    & CCM_PLL_MFD_MASK;
-	unsigned int pd = (pll >> CCM_PLL_PD_SHIFT)
-	    & CCM_PLL_PD_MASK;
-
-	mfi = mfi <= 5 ? 5 : mfi;
-	mfn = mfn >= 512 ? mfn - 1024 : mfn;
-	mfd += 1;
-	pd += 1;
-
-	return lldiv(2 * (u64) f_ref * (mfi * mfd + mfn),
-		     mfd * pd);
-}
-
-static ulong imx_get_mpllclk(void)
-{
-	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-	ulong fref = MXC_HCLK;
-
-	return imx_decode_pll(readl(&ccm->mpctl), fref);
-}
-
-static ulong imx_get_upllclk(void)
-{
-	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-	ulong fref = MXC_HCLK;
-
-	return imx_decode_pll(readl(&ccm->upctl), fref);
-}
-
-static ulong imx_get_armclk(void)
-{
-	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-	ulong cctl = readl(&ccm->cctl);
-	ulong fref = imx_get_mpllclk();
-	ulong div;
-
-	if (cctl & CCM_CCTL_ARM_SRC)
-		fref = lldiv((u64) fref * 3, 4);
-
-	div = ((cctl >> CCM_CCTL_ARM_DIV_SHIFT)
-	       & CCM_CCTL_ARM_DIV_MASK) + 1;
-
-	return fref / div;
-}
-
-static ulong imx_get_ahbclk(void)
-{
-	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-	ulong cctl = readl(&ccm->cctl);
-	ulong fref = imx_get_armclk();
-	ulong div;
-
-	div = ((cctl >> CCM_CCTL_AHB_DIV_SHIFT)
-	       & CCM_CCTL_AHB_DIV_MASK) + 1;
-
-	return fref / div;
-}
-
-static ulong imx_get_ipgclk(void)
-{
-	return imx_get_ahbclk() / 2;
-}
-
-static ulong imx_get_perclk(int clk)
-{
-	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-	ulong fref = readl(&ccm->mcr) & (1 << clk) ? imx_get_upllclk() :
-						     imx_get_ahbclk();
-	ulong div;
-
-	div = readl(&ccm->pcdr[CCM_PERCLK_REG(clk)]);
-	div = ((div >> CCM_PERCLK_SHIFT(clk)) & CCM_PERCLK_MASK) + 1;
-
-	return fref / div;
-}
-
-int imx_set_perclk(enum mxc_clock clk, bool from_upll, unsigned int freq)
-{
-	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-	ulong fref = from_upll ? imx_get_upllclk() : imx_get_ahbclk();
-	ulong div = (fref + freq - 1) / freq;
-
-	if (clk > MXC_UART_CLK || !div || --div > CCM_PERCLK_MASK)
-		return -EINVAL;
-
-	clrsetbits_le32(&ccm->pcdr[CCM_PERCLK_REG(clk)],
-			CCM_PERCLK_MASK << CCM_PERCLK_SHIFT(clk),
-			div << CCM_PERCLK_SHIFT(clk));
-	if (from_upll)
-		setbits_le32(&ccm->mcr, 1 << clk);
-	else
-		clrbits_le32(&ccm->mcr, 1 << clk);
-	return 0;
-}
-
-unsigned int mxc_get_clock(enum mxc_clock clk)
-{
-	if (clk >= MXC_CLK_NUM)
-		return -1;
-	switch (clk) {
-	case MXC_ARM_CLK:
-		return imx_get_armclk();
-	case MXC_AHB_CLK:
-		return imx_get_ahbclk();
-	case MXC_IPG_CLK:
-	case MXC_CSPI_CLK:
-	case MXC_FEC_CLK:
-		return imx_get_ipgclk();
-	default:
-		return imx_get_perclk(clk);
-	}
-}
-
-u32 get_cpu_rev(void)
-{
-	u32 srev;
-	u32 system_rev = 0x25000;
-
-	/* read SREV register from IIM module */
-	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
-	srev = readl(&iim->iim_srev);
-
-	switch (srev) {
-	case 0x00:
-		system_rev |= CHIP_REV_1_0;
-		break;
-	case 0x01:
-		system_rev |= CHIP_REV_1_1;
-		break;
-	case 0x02:
-		system_rev |= CHIP_REV_1_2;
-		break;
-	default:
-		system_rev |= 0x8000;
-		break;
-	}
-
-	return system_rev;
-}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-static char *get_reset_cause(void)
-{
-	/* read RCSR register from CCM module */
-	struct ccm_regs *ccm =
-		(struct ccm_regs *)IMX_CCM_BASE;
-
-	u32 cause = readl(&ccm->rcsr) & 0x0f;
-
-	if (cause == 0)
-		return "POR";
-	else if (cause == 1)
-		return "RST";
-	else if ((cause & 2) == 2)
-		return "WDOG";
-	else if ((cause & 4) == 4)
-		return "SW RESET";
-	else if ((cause & 8) == 8)
-		return "JTAG";
-	else
-		return "unknown reset";
-
-}
-
-int print_cpuinfo(void)
-{
-	char buf[32];
-	u32 cpurev = get_cpu_rev();
-
-	printf("CPU:   Freescale i.MX25 rev%d.%d%s at %s MHz\n",
-		(cpurev & 0xF0) >> 4, (cpurev & 0x0F),
-		((cpurev & 0x8000) ? " unknown" : ""),
-		strmhz(buf, imx_get_armclk()));
-	printf("Reset cause: %s\n", get_reset_cause());
-	return 0;
-}
-#endif
-
-#if defined(CONFIG_FEC_MXC)
-/*
- * Initializes on-chip ethernet controllers.
- * to override, implement board_eth_init()
- */
-int cpu_eth_init(struct bd_info *bis)
-{
-	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-	ulong val;
-
-	val = readl(&ccm->cgr0);
-	val |= (1 << 23);
-	writel(val, &ccm->cgr0);
-	return fecmxc_initialize(bis);
-}
-#endif
-
-int get_clocks(void)
-{
-#ifdef CONFIG_FSL_ESDHC_IMX
-#if CONFIG_SYS_FSL_ESDHC_ADDR == IMX_MMC_SDHC2_BASE
-	gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
-#else
-	gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK);
-#endif
-#endif
-	return 0;
-}
-
-#ifdef CONFIG_FSL_ESDHC_IMX
-/*
- * Initializes on-chip MMC controllers.
- * to override, implement board_mmc_init()
- */
-int cpu_mmc_init(struct bd_info *bis)
-{
-	return fsl_esdhc_mmc_init(bis);
-}
-#endif
-
-#ifdef CONFIG_FEC_MXC
-void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
-{
-	int i;
-	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
-	struct fuse_bank *bank = &iim->bank[0];
-	struct fuse_bank0_regs *fuse =
-			(struct fuse_bank0_regs *)bank->fuse_regs;
-
-	for (i = 0; i < 6; i++)
-		mac[i] = readl(&fuse->mac_addr[i]) & 0xff;
-}
-#endif /* CONFIG_FEC_MXC */