[PATCH 20/38] arm: Remove unused mx27 code
Tom Rini
trini at konsulko.com
Sun Nov 20 00:45:27 CET 2022
We no longer have any i.MX27 platforms, remove the remaining support
code.
Signed-off-by: Tom Rini <trini at konsulko.com>
---
arch/arm/cpu/arm926ejs/Makefile | 1 -
arch/arm/cpu/arm926ejs/mx27/Makefile | 7 -
arch/arm/cpu/arm926ejs/mx27/generic.c | 378 -------------------------
arch/arm/cpu/arm926ejs/mx27/relocate.S | 50 ----
arch/arm/cpu/arm926ejs/mx27/reset.c | 41 ---
arch/arm/cpu/arm926ejs/mx27/timer.c | 166 -----------
arch/arm/lib/asm-offsets.c | 29 +-
drivers/gpio/mxc_gpio.c | 12 +-
drivers/mtd/nand/raw/mxc_nand.c | 3 +-
drivers/mtd/nand/raw/mxc_nand.h | 2 +-
drivers/net/fec_mxc.c | 3 -
drivers/spi/mxc_spi.c | 8 -
include/configs/imx27lite-common.h | 134 ---------
13 files changed, 9 insertions(+), 825 deletions(-)
delete mode 100644 arch/arm/cpu/arm926ejs/mx27/Makefile
delete mode 100644 arch/arm/cpu/arm926ejs/mx27/generic.c
delete mode 100644 arch/arm/cpu/arm926ejs/mx27/relocate.S
delete mode 100644 arch/arm/cpu/arm926ejs/mx27/reset.c
delete mode 100644 arch/arm/cpu/arm926ejs/mx27/timer.c
delete mode 100644 include/configs/imx27lite-common.h
diff --git a/arch/arm/cpu/arm926ejs/Makefile b/arch/arm/cpu/arm926ejs/Makefile
index 7f1436d76e1c..7e7ad4f35d7e 100644
--- a/arch/arm/cpu/arm926ejs/Makefile
+++ b/arch/arm/cpu/arm926ejs/Makefile
@@ -12,7 +12,6 @@ extra-y :=
endif
endif
-obj-$(CONFIG_MX27) += mx27/
obj-$(if $(filter mxs,$(SOC)),y) += mxs/
obj-$(if $(filter spear,$(SOC)),y) += spear/
obj-$(CONFIG_ARCH_SUNXI) += sunxi/
diff --git a/arch/arm/cpu/arm926ejs/mx27/Makefile b/arch/arm/cpu/arm926ejs/mx27/Makefile
deleted file mode 100644
index ac5ebaf5ef8c..000000000000
--- a/arch/arm/cpu/arm926ejs/mx27/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0+
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
-#
-
-obj-y += generic.o timer.o reset.o relocate.o
diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
deleted file mode 100644
index 8b9d3a272af1..000000000000
--- a/arch/arm/cpu/arm926ejs/mx27/generic.c
+++ /dev/null
@@ -1,378 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (c) 2008 Eric Jarrige <eric.jarrige at armadeus.org>
- * Copyright (c) 2009 Ilya Yanok <yanok at emcraft.com>
- */
-
-#include <common.h>
-#include <div64.h>
-#include <net.h>
-#include <netdev.h>
-#include <vsprintf.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/gpio.h>
-#include <asm/mach-imx/sys_proto.h>
-#ifdef CONFIG_MMC_MXC
-#include <asm/arch/mxcmmc.h>
-#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 >> 10) & 0xf;
- unsigned int mfn = pll & 0x3ff;
- unsigned int mfd = (pll >> 16) & 0x3ff;
- unsigned int pd = (pll >> 26) & 0xf;
-
- mfi = mfi <= 5 ? 5 : mfi;
-
- return lldiv(2 * (u64)f_ref * (mfi * (mfd + 1) + mfn),
- (mfd + 1) * (pd + 1));
-}
-
-static ulong clk_in_32k(void)
-{
- return 1024 * CONFIG_MX27_CLK32;
-}
-
-static ulong clk_in_26m(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- if (readl(&pll->cscr) & CSCR_OSC26M_DIV1P5) {
- /* divide by 1.5 */
- return 26000000 * 2 / 3;
- } else {
- return 26000000;
- }
-}
-
-static ulong imx_get_mpllclk(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
- ulong cscr = readl(&pll->cscr);
- ulong fref;
-
- if (cscr & CSCR_MCU_SEL)
- fref = clk_in_26m();
- else
- fref = clk_in_32k();
-
- return imx_decode_pll(readl(&pll->mpctl0), fref);
-}
-
-static ulong imx_get_armclk(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
- ulong cscr = readl(&pll->cscr);
- ulong fref = imx_get_mpllclk();
- ulong div;
-
- if (!(cscr & CSCR_ARM_SRC_MPLL))
- fref = lldiv((fref * 2), 3);
-
- div = ((cscr >> 12) & 0x3) + 1;
-
- return lldiv(fref, div);
-}
-
-static ulong imx_get_ahbclk(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
- ulong cscr = readl(&pll->cscr);
- ulong fref = imx_get_mpllclk();
- ulong div;
-
- div = ((cscr >> 8) & 0x3) + 1;
-
- return lldiv(fref * 2, 3 * div);
-}
-
-static __attribute__((unused)) ulong imx_get_spllclk(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
- ulong cscr = readl(&pll->cscr);
- ulong fref;
-
- if (cscr & CSCR_SP_SEL)
- fref = clk_in_26m();
- else
- fref = clk_in_32k();
-
- return imx_decode_pll(readl(&pll->spctl0), fref);
-}
-
-static ulong imx_decode_perclk(ulong div)
-{
- return lldiv((imx_get_mpllclk() * 2), (div * 3));
-}
-
-static ulong imx_get_perclk1(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- return imx_decode_perclk((readl(&pll->pcdr1) & 0x3f) + 1);
-}
-
-static ulong imx_get_perclk2(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- return imx_decode_perclk(((readl(&pll->pcdr1) >> 8) & 0x3f) + 1);
-}
-
-static __attribute__((unused)) ulong imx_get_perclk3(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- return imx_decode_perclk(((readl(&pll->pcdr1) >> 16) & 0x3f) + 1);
-}
-
-static __attribute__((unused)) ulong imx_get_perclk4(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- return imx_decode_perclk(((readl(&pll->pcdr1) >> 24) & 0x3f) + 1);
-}
-
-unsigned int mxc_get_clock(enum mxc_clock clk)
-{
- switch (clk) {
- case MXC_ARM_CLK:
- return imx_get_armclk();
- case MXC_I2C_CLK:
- return imx_get_ahbclk()/2;
- case MXC_UART_CLK:
- return imx_get_perclk1();
- case MXC_FEC_CLK:
- return imx_get_ahbclk();
- case MXC_ESDHC_CLK:
- return imx_get_perclk2();
- }
- return -1;
-}
-
-
-u32 get_cpu_rev(void)
-{
- return MXC_CPU_MX27 << 12;
-}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo (void)
-{
- char buf[32];
-
- printf("CPU: Freescale i.MX27 at %s MHz\n\n",
- strmhz(buf, imx_get_mpllclk()));
- return 0;
-}
-#endif
-
-int cpu_eth_init(struct bd_info *bis)
-{
-#if defined(CONFIG_FEC_MXC)
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- /* enable FEC clock */
- writel(readl(&pll->pccr1) | PCCR1_HCLK_FEC, &pll->pccr1);
- writel(readl(&pll->pccr0) | PCCR0_FEC_EN, &pll->pccr0);
- return fecmxc_initialize(bis);
-#else
- return 0;
-#endif
-}
-
-/*
- * Initializes on-chip MMC controllers.
- * to override, implement board_mmc_init()
- */
-int cpu_mmc_init(struct bd_info *bis)
-{
-#ifdef CONFIG_MMC_MXC
- return mxc_mmc_init(bis);
-#else
- return 0;
-#endif
-}
-
-void imx_gpio_mode(int gpio_mode)
-{
- struct gpio_port_regs *regs = (struct gpio_port_regs *)IMX_GPIO_BASE;
- unsigned int pin = gpio_mode & GPIO_PIN_MASK;
- unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
- unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
- unsigned int aout = (gpio_mode & GPIO_AOUT_MASK) >> GPIO_AOUT_SHIFT;
- unsigned int bout = (gpio_mode & GPIO_BOUT_MASK) >> GPIO_BOUT_SHIFT;
- unsigned int tmp;
-
- /* Pullup enable */
- if (gpio_mode & GPIO_PUEN) {
- writel(readl(®s->port[port].puen) | (1 << pin),
- ®s->port[port].puen);
- } else {
- writel(readl(®s->port[port].puen) & ~(1 << pin),
- ®s->port[port].puen);
- }
-
- /* Data direction */
- if (gpio_mode & GPIO_OUT) {
- writel(readl(®s->port[port].gpio_dir) | 1 << pin,
- ®s->port[port].gpio_dir);
- } else {
- writel(readl(®s->port[port].gpio_dir) & ~(1 << pin),
- ®s->port[port].gpio_dir);
- }
-
- /* Primary / alternate function */
- if (gpio_mode & GPIO_AF) {
- writel(readl(®s->port[port].gpr) | (1 << pin),
- ®s->port[port].gpr);
- } else {
- writel(readl(®s->port[port].gpr) & ~(1 << pin),
- ®s->port[port].gpr);
- }
-
- /* use as gpio? */
- if (!(gpio_mode & (GPIO_PF | GPIO_AF))) {
- writel(readl(®s->port[port].gius) | (1 << pin),
- ®s->port[port].gius);
- } else {
- writel(readl(®s->port[port].gius) & ~(1 << pin),
- ®s->port[port].gius);
- }
-
- /* Output / input configuration */
- if (pin < 16) {
- tmp = readl(®s->port[port].ocr1);
- tmp &= ~(3 << (pin * 2));
- tmp |= (ocr << (pin * 2));
- writel(tmp, ®s->port[port].ocr1);
-
- writel(readl(®s->port[port].iconfa1) & ~(3 << (pin * 2)),
- ®s->port[port].iconfa1);
- writel(readl(®s->port[port].iconfa1) | aout << (pin * 2),
- ®s->port[port].iconfa1);
- writel(readl(®s->port[port].iconfb1) & ~(3 << (pin * 2)),
- ®s->port[port].iconfb1);
- writel(readl(®s->port[port].iconfb1) | bout << (pin * 2),
- ®s->port[port].iconfb1);
- } else {
- pin -= 16;
-
- tmp = readl(®s->port[port].ocr2);
- tmp &= ~(3 << (pin * 2));
- tmp |= (ocr << (pin * 2));
- writel(tmp, ®s->port[port].ocr2);
-
- writel(readl(®s->port[port].iconfa2) & ~(3 << (pin * 2)),
- ®s->port[port].iconfa2);
- writel(readl(®s->port[port].iconfa2) | aout << (pin * 2),
- ®s->port[port].iconfa2);
- writel(readl(®s->port[port].iconfb2) & ~(3 << (pin * 2)),
- ®s->port[port].iconfb2);
- writel(readl(®s->port[port].iconfb2) | bout << (pin * 2),
- ®s->port[port].iconfb2);
- }
-}
-
-#ifdef CONFIG_MXC_UART
-void mx27_uart1_init_pins(void)
-{
- int i;
- unsigned int mode[] = {
- PE12_PF_UART1_TXD,
- PE13_PF_UART1_RXD,
- };
-
- for (i = 0; i < ARRAY_SIZE(mode); i++)
- imx_gpio_mode(mode[i]);
-
-}
-#endif /* CONFIG_MXC_UART */
-
-#ifdef CONFIG_FEC_MXC
-void mx27_fec_init_pins(void)
-{
- int i;
- unsigned int mode[] = {
- PD0_AIN_FEC_TXD0,
- PD1_AIN_FEC_TXD1,
- PD2_AIN_FEC_TXD2,
- PD3_AIN_FEC_TXD3,
- PD4_AOUT_FEC_RX_ER,
- PD5_AOUT_FEC_RXD1,
- PD6_AOUT_FEC_RXD2,
- PD7_AOUT_FEC_RXD3,
- PD8_AF_FEC_MDIO,
- PD9_AIN_FEC_MDC | GPIO_PUEN,
- PD10_AOUT_FEC_CRS,
- PD11_AOUT_FEC_TX_CLK,
- PD12_AOUT_FEC_RXD0,
- PD13_AOUT_FEC_RX_DV,
- PD14_AOUT_FEC_CLR,
- PD15_AOUT_FEC_COL,
- PD16_AIN_FEC_TX_ER,
- PF23_AIN_FEC_TX_EN,
- };
-
- for (i = 0; i < ARRAY_SIZE(mode); i++)
- imx_gpio_mode(mode[i]);
-}
-
-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[6 - 1 - i] = readl(&fuse->mac_addr[i]) & 0xff;
-}
-#endif /* CONFIG_FEC_MXC */
-
-#ifdef CONFIG_MMC_MXC
-void mx27_sd1_init_pins(void)
-{
- int i;
- unsigned int mode[] = {
- PE18_PF_SD1_D0,
- PE19_PF_SD1_D1,
- PE20_PF_SD1_D2,
- PE21_PF_SD1_D3,
- PE22_PF_SD1_CMD,
- PE23_PF_SD1_CLK,
- };
-
- for (i = 0; i < ARRAY_SIZE(mode); i++)
- imx_gpio_mode(mode[i]);
-
-}
-
-void mx27_sd2_init_pins(void)
-{
- int i;
- unsigned int mode[] = {
- PB4_PF_SD2_D0,
- PB5_PF_SD2_D1,
- PB6_PF_SD2_D2,
- PB7_PF_SD2_D3,
- PB8_PF_SD2_CMD,
- PB9_PF_SD2_CLK,
- };
-
- for (i = 0; i < ARRAY_SIZE(mode); i++)
- imx_gpio_mode(mode[i]);
-
-}
-#endif /* CONFIG_MMC_MXC */
diff --git a/arch/arm/cpu/arm926ejs/mx27/relocate.S b/arch/arm/cpu/arm926ejs/mx27/relocate.S
deleted file mode 100644
index 5dfa272be248..000000000000
--- a/arch/arm/cpu/arm926ejs/mx27/relocate.S
+++ /dev/null
@@ -1,50 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * relocate - i.MX27-specific vector relocation
- *
- * Copyright (c) 2013 Albert ARIBAUD <albert.u.boot at aribaud.net>
- */
-
-#include <asm-offsets.h>
-#include <config.h>
-#include <linux/linkage.h>
-
-/*
- * The i.MX27 SoC is very specific with respect to exceptions: it
- * does not provide RAM at the high vectors address (0xFFFF0000),
- * thus only the low address (0x00000000) is useable; but that is
- * in ROM. Therefore, vectors cannot be changed at all.
- *
- * However, these ROM-based vectors actually just perform indirect
- * calls through pointers located in RAM at SoC-specific addresses,
- * as follows:
- *
- * Offset Exception Use by ROM code
- * 0x00000000 reset indirect branch to [0x00000014]
- * 0x00000004 undefined instruction indirect branch to [0xfffffef0]
- * 0x00000008 software interrupt indirect branch to [0xfffffef4]
- * 0x0000000c prefetch abort indirect branch to [0xfffffef8]
- * 0x00000010 data abort indirect branch to [0xfffffefc]
- * 0x00000014 (reserved in ARMv5) vector to ROM reset: 0xc0000000
- * 0x00000018 IRQ indirect branch to [0xffffff00]
- * 0x0000001c FIQ indirect branch to [0xffffff04]
- *
- * In order to initialize exceptions on i.MX27, we must copy U-Boot's
- * indirect (not exception!) vector table into 0xfffffef0..0xffffff04
- * taking care not to copy vectors number 5 (reserved exception).
- */
-
- .section .text.relocate_vectors,"ax",%progbits
-
-ENTRY(relocate_vectors)
-
- ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */
- ldr r1, =32 /* size of vector table */
- add r0, r0, r1 /* skip to indirect table */
- ldr r1, =0xFFFFFEF0 /* i.MX27 indirect table */
- ldmia r0!, {r2-r8} /* load indirect vectors 1..7 */
- stmia r1!, {r2-r5, r7,r8} /* write all but vector 5 */
-
- bx lr
-
-ENDPROC(relocate_vectors)
diff --git a/arch/arm/cpu/arm926ejs/mx27/reset.c b/arch/arm/cpu/arm926ejs/mx27/reset.c
deleted file mode 100644
index 496fb30817db..000000000000
--- a/arch/arm/cpu/arm926ejs/mx27/reset.c
+++ /dev/null
@@ -1,41 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger at sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu at sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj at denx.de>
- *
- * (C) Copyright 2009
- * Ilya Yanok, Emcraft Systems Ltd, <yanok at emcraft.com>
- */
-
-#include <common.h>
-#include <cpu_func.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-
-/*
- * Reset the cpu by setting up the watchdog timer and let it time out
- */
-void reset_cpu(void)
-{
- struct wdog_regs *regs = (struct wdog_regs *)IMX_WDT_BASE;
- /* Disable watchdog and set Time-Out field to 0 */
- writew(0x0000, ®s->wcr);
-
- /* Write Service Sequence */
- writew(0x5555, ®s->wsr);
- writew(0xAAAA, ®s->wsr);
-
- /* Enable watchdog */
- writew(WCR_WDE, ®s->wcr);
-
- while (1);
- /*NOTREACHED*/
-}
diff --git a/arch/arm/cpu/arm926ejs/mx27/timer.c b/arch/arm/cpu/arm926ejs/mx27/timer.c
deleted file mode 100644
index 4fd6a8059685..000000000000
--- a/arch/arm/cpu/arm926ejs/mx27/timer.c
+++ /dev/null
@@ -1,166 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger at sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu at sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj at denx.de>
- *
- * (C) Copyright 2009
- * Ilya Yanok, Emcraft Systems Ltd, <yanok at emcraft.com>
- */
-
-#include <common.h>
-#include <div64.h>
-#include <init.h>
-#include <time.h>
-#include <asm/global_data.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/ptrace.h>
-#include <linux/delay.h>
-
-/* General purpose timers bitfields */
-#define GPTCR_SWR (1 << 15) /* Software reset */
-#define GPTCR_FRR (1 << 8) /* Freerun / restart */
-#define GPTCR_CLKSOURCE_32 (4 << 1) /* Clock source */
-#define GPTCR_TEN 1 /* Timer enable */
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define timestamp (gd->arch.tbl)
-#define lastinc (gd->arch.lastinc)
-
-/*
- * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
- * "tick" is internal timer period
- */
-#ifdef CONFIG_MX27_TIMER_HIGH_PRECISION
-/* ~0.4% error - measured with stop-watch on 100s boot-delay */
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- tick *= CONFIG_SYS_HZ;
- do_div(tick, CONFIG_MX27_CLK32);
- return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
- time *= CONFIG_MX27_CLK32;
- do_div(time, CONFIG_SYS_HZ);
- return time;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us = us * CONFIG_MX27_CLK32 + 999999;
- do_div(us, 1000000);
- return us;
-}
-#else
-/* ~2% error */
-#define TICK_PER_TIME ((CONFIG_MX27_CLK32 + CONFIG_SYS_HZ / 2) / \
- CONFIG_SYS_HZ)
-#define US_PER_TICK (1000000 / CONFIG_MX27_CLK32)
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- do_div(tick, TICK_PER_TIME);
- return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
- return time * TICK_PER_TIME;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us += US_PER_TICK - 1;
- do_div(us, US_PER_TICK);
- return us;
-}
-#endif
-
-/* nothing really to do with interrupts, just starts up a counter. */
-/* The 32768Hz 32-bit timer overruns in 131072 seconds */
-int timer_init(void)
-{
- int i;
- struct gpt_regs *regs = (struct gpt_regs *)IMX_TIM1_BASE;
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- /* setup GP Timer 1 */
- writel(GPTCR_SWR, ®s->gpt_tctl);
-
- writel(readl(&pll->pccr0) | PCCR0_GPT1_EN, &pll->pccr0);
- writel(readl(&pll->pccr1) | PCCR1_PERCLK1_EN, &pll->pccr1);
-
- for (i = 0; i < 100; i++)
- writel(0, ®s->gpt_tctl); /* We have no udelay by now */
- writel(0, ®s->gpt_tprer); /* 32Khz */
- /* Freerun Mode, PERCLK1 input */
- writel(readl(®s->gpt_tctl) | GPTCR_CLKSOURCE_32 | GPTCR_FRR,
- ®s->gpt_tctl);
- writel(readl(®s->gpt_tctl) | GPTCR_TEN, ®s->gpt_tctl);
-
- return 0;
-}
-
-unsigned long long get_ticks(void)
-{
- struct gpt_regs *regs = (struct gpt_regs *)IMX_TIM1_BASE;
- ulong now = readl(®s->gpt_tcn); /* current tick value */
-
- if (now >= lastinc) {
- /*
- * normal mode (non roll)
- * move stamp forward with absolut diff ticks
- */
- timestamp += (now - lastinc);
- } else {
- /* we have rollover of incrementer */
- timestamp += (0xFFFFFFFF - lastinc) + now;
- }
- lastinc = now;
- return timestamp;
-}
-
-static ulong get_timer_masked(void)
-{
- /*
- * get_ticks() returns a long long (64 bit), it wraps in
- * 2^64 / CONFIG_MX27_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
- * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
- * 5 * 10^6 days - long enough.
- */
- return tick_to_time(get_ticks());
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-/* delay x useconds AND preserve advance timstamp value */
-void __udelay(unsigned long usec)
-{
- unsigned long long tmp;
- ulong tmo;
-
- tmo = us_to_tick(usec);
- tmp = get_ticks() + tmo; /* get current timestamp */
-
- while (get_ticks() < tmp) /* loop till event */
- /*NOP*/;
-}
-
-ulong get_tbclk(void)
-{
- return CONFIG_MX27_CLK32;
-}
diff --git a/arch/arm/lib/asm-offsets.c b/arch/arm/lib/asm-offsets.c
index 22fd541f9a28..6de0ce915245 100644
--- a/arch/arm/lib/asm-offsets.c
+++ b/arch/arm/lib/asm-offsets.c
@@ -15,8 +15,7 @@
#include <linux/kbuild.h>
#include <linux/arm-smccc.h>
-#if defined(CONFIG_MX27) \
- || defined(CONFIG_MX51) || defined(CONFIG_MX53)
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
#include <asm/arch/imx-regs.h>
#endif
@@ -35,32 +34,6 @@ int main(void)
* code. Is it better to define the macros directly in headers?
*/
-#if defined(CONFIG_MX27)
- DEFINE(AIPI1_PSR0, IMX_AIPI1_BASE + offsetof(struct aipi_regs, psr0));
- DEFINE(AIPI1_PSR1, IMX_AIPI1_BASE + offsetof(struct aipi_regs, psr1));
- DEFINE(AIPI2_PSR0, IMX_AIPI2_BASE + offsetof(struct aipi_regs, psr0));
- DEFINE(AIPI2_PSR1, IMX_AIPI2_BASE + offsetof(struct aipi_regs, psr1));
-
- DEFINE(CSCR, IMX_PLL_BASE + offsetof(struct pll_regs, cscr));
- DEFINE(MPCTL0, IMX_PLL_BASE + offsetof(struct pll_regs, mpctl0));
- DEFINE(SPCTL0, IMX_PLL_BASE + offsetof(struct pll_regs, spctl0));
- DEFINE(PCDR0, IMX_PLL_BASE + offsetof(struct pll_regs, pcdr0));
- DEFINE(PCDR1, IMX_PLL_BASE + offsetof(struct pll_regs, pcdr1));
- DEFINE(PCCR0, IMX_PLL_BASE + offsetof(struct pll_regs, pccr0));
- DEFINE(PCCR1, IMX_PLL_BASE + offsetof(struct pll_regs, pccr1));
-
- DEFINE(ESDCTL0_ROF, offsetof(struct esdramc_regs, esdctl0));
- DEFINE(ESDCFG0_ROF, offsetof(struct esdramc_regs, esdcfg0));
- DEFINE(ESDCTL1_ROF, offsetof(struct esdramc_regs, esdctl1));
- DEFINE(ESDCFG1_ROF, offsetof(struct esdramc_regs, esdcfg1));
- DEFINE(ESDMISC_ROF, offsetof(struct esdramc_regs, esdmisc));
-
- DEFINE(GPCR, IMX_SYSTEM_CTL_BASE +
- offsetof(struct system_control_regs, gpcr));
- DEFINE(FMCR, IMX_SYSTEM_CTL_BASE +
- offsetof(struct system_control_regs, fmcr));
-#endif
-
#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
/* Round up to make sure size gives nice stack alignment */
DEFINE(CLKCTL_CCMR, offsetof(struct clkctl, ccr));
diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c
index 03471db9e80e..1dec4e35e0a7 100644
--- a/drivers/gpio/mxc_gpio.c
+++ b/drivers/gpio/mxc_gpio.c
@@ -44,13 +44,13 @@ static unsigned long gpio_ports[] = {
[0] = GPIO1_BASE_ADDR,
[1] = GPIO2_BASE_ADDR,
[2] = GPIO3_BASE_ADDR,
-#if defined(CONFIG_MX27) || defined(CONFIG_MX51) || \
+#if defined(CONFIG_MX51) || \
defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || \
defined(CONFIG_ARCH_IMX8) || defined(CONFIG_IMXRT1050)
[3] = GPIO4_BASE_ADDR,
#endif
-#if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
+#if defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || \
defined(CONFIG_ARCH_IMX8) || defined(CONFIG_IMXRT1050)
[4] = GPIO5_BASE_ADDR,
@@ -352,12 +352,12 @@ static const struct mxc_gpio_plat mxc_plat[] = {
{ 0, (struct gpio_regs *)GPIO1_BASE_ADDR },
{ 1, (struct gpio_regs *)GPIO2_BASE_ADDR },
{ 2, (struct gpio_regs *)GPIO3_BASE_ADDR },
-#if defined(CONFIG_MX27) || defined(CONFIG_MX51) || \
+#if defined(CONFIG_MX51) || \
defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
defined(CONFIG_IMX8M) || defined(CONFIG_ARCH_IMX8)
{ 3, (struct gpio_regs *)GPIO4_BASE_ADDR },
#endif
-#if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
+#if defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
defined(CONFIG_IMX8M) || defined(CONFIG_ARCH_IMX8)
{ 4, (struct gpio_regs *)GPIO5_BASE_ADDR },
#ifndef CONFIG_IMX8M
@@ -376,12 +376,12 @@ U_BOOT_DRVINFOS(mxc_gpios) = {
{ "gpio_mxc", &mxc_plat[0] },
{ "gpio_mxc", &mxc_plat[1] },
{ "gpio_mxc", &mxc_plat[2] },
-#if defined(CONFIG_MX27) || defined(CONFIG_MX51) || \
+#if defined(CONFIG_MX51) || \
defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
defined(CONFIG_IMX8M) || defined(CONFIG_ARCH_IMX8)
{ "gpio_mxc", &mxc_plat[3] },
#endif
-#if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
+#if defined(CONFIG_MX53) || defined(CONFIG_MX6) || \
defined(CONFIG_IMX8M) || defined(CONFIG_ARCH_IMX8)
{ "gpio_mxc", &mxc_plat[4] },
#ifndef CONFIG_IMX8M
diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c
index fa903e324c59..8aa5f7342131 100644
--- a/drivers/mtd/nand/raw/mxc_nand.c
+++ b/drivers/mtd/nand/raw/mxc_nand.c
@@ -12,8 +12,7 @@
#include <linux/err.h>
#include <linux/mtd/rawnand.h>
#include <asm/io.h>
-#if defined(CONFIG_MX27) || \
- defined(CONFIG_MX51) || defined(CONFIG_MX53)
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
#include <asm/arch/imx-regs.h>
#endif
#include "mxc_nand.h"
diff --git a/drivers/mtd/nand/raw/mxc_nand.h b/drivers/mtd/nand/raw/mxc_nand.h
index 771f61e24919..084fac705a12 100644
--- a/drivers/mtd/nand/raw/mxc_nand.h
+++ b/drivers/mtd/nand/raw/mxc_nand.h
@@ -24,7 +24,7 @@
* Reading or writing a 2K or 4K page requires only 1 FDI/FDO cycle.
* Also some of registers are moved and/or changed meaning as seen below.
*/
-#if defined(CONFIG_MX27) || defined(CONFIG_MX31)
+#if defined(CONFIG_MX31)
#define MXC_NFC_V1
#define is_mxc_nfc_1() 1
#define is_mxc_nfc_21() 0
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index bbc4434ddb9e..a61a1fc75738 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -251,9 +251,6 @@ static int miiphy_restart_aneg(struct eth_device *dev)
* Wake up from sleep if necessary
* Reset PHY, then delay 300ns
*/
-#ifdef CONFIG_MX27
- fec_mdio_write(eth, fec->phy_id, MII_DCOUNTER, 0x00FF);
-#endif
fec_mdio_write(eth, fec->phy_id, MII_BMCR, BMCR_RESET);
udelay(1000);
diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index 5adfdf8b5fc6..ea9cc3d1f983 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -91,14 +91,6 @@ struct cspi_regs {
#define MXC_CSPICON_CTL 20 /* inactive state of SCLK */
#endif
-#ifdef CONFIG_MX27
-/* i.MX27 has a completely wrong register layout and register definitions in the
- * datasheet, the correct one is in the Freescale's Linux driver */
-
-#error "i.MX27 CSPI not supported due to drastic differences in register definitions" \
-"See linux mxc_spi driver from Freescale for details."
-#endif
-
__weak int board_spi_cs_gpio(unsigned bus, unsigned cs)
{
return -1;
diff --git a/include/configs/imx27lite-common.h b/include/configs/imx27lite-common.h
deleted file mode 100644
index b0abd5488262..000000000000
--- a/include/configs/imx27lite-common.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2010 Heiko Schocher <hs at denx.de>
- *
- * based on:
- * Copyright (C) 2009 Ilya Yanok <yanok at emcraft.com>
- */
-
-#ifndef __IMX27LITE_COMMON_CONFIG_H
-#define __IMX27LITE_COMMON_CONFIG_H
-
-/*
- * SoC Configuration
- */
-#define CONFIG_MX27
-#define CONFIG_MX27_CLK32 32768 /* OSC32K frequency */
-
-/*
- * Lowlevel configuration
- */
-#define SDRAM_ESDCFG_REGISTER_VAL(cas) \
- (ESDCFG_TRC(10) | \
- ESDCFG_TRCD(3) | \
- ESDCFG_TCAS(cas) | \
- ESDCFG_TRRD(1) | \
- ESDCFG_TRAS(5) | \
- ESDCFG_TWR | \
- ESDCFG_TMRD(2) | \
- ESDCFG_TRP(2) | \
- ESDCFG_TXP(3))
-
-#define SDRAM_ESDCTL_REGISTER_VAL \
- (ESDCTL_PRCT(0) | \
- ESDCTL_BL | \
- ESDCTL_PWDT(0) | \
- ESDCTL_SREFR(3) | \
- ESDCTL_DSIZ_32 | \
- ESDCTL_COL10 | \
- ESDCTL_ROW13 | \
- ESDCTL_SDE)
-
-#define SDRAM_ALL_VAL 0xf00
-
-#define SDRAM_MODE_REGISTER_VAL 0x33 /* BL: 8, CAS: 3 */
-#define SDRAM_EXT_MODE_REGISTER_VAL 0x1000000
-
-#define MPCTL0_VAL 0x1ef15d5
-
-#define SPCTL0_VAL 0x043a1c09
-
-#define CSCR_VAL 0x33f08107
-
-#define PCDR0_VAL 0x120470c3
-#define PCDR1_VAL 0x03030303
-#define PCCR0_VAL 0xffffffff
-#define PCCR1_VAL 0xfffffffc
-
-#define AIPI1_PSR0_VAL 0x20040304
-#define AIPI1_PSR1_VAL 0xdffbfcfb
-#define AIPI2_PSR0_VAL 0x07ffc200
-#define AIPI2_PSR1_VAL 0xffffffff
-
-/*
- * Memory Info
- */
-/* memtest start address */
-#define PHYS_SDRAM_1 0xA0000000 /* DDR Start */
-#define PHYS_SDRAM_1_SIZE 0x08000000 /* DDR size 128MB */
-
-/*
- * Serial Driver info
- */
-#define CONFIG_MXC_UART_BASE UART_BASE_ADDR(1)
-
-/*
- * Flash & Environment
- */
-/* Use buffered writes (~10x faster) */
-/* Use hardware sector protection */
-/* CS2 Base address */
-#define PHYS_FLASH_1 0xc0000000
-/* Flash Base for U-Boot */
-#define CFG_SYS_FLASH_BASE PHYS_FLASH_1
-/* Address and size of Redundant Environment Sector */
-
-/*
- * Ethernet
- */
-#define CONFIG_FEC_MXC_PHYADDR 0x1f
-
-/*
- * MTD
- */
-
-/*
- * NAND
- */
-#define CONFIG_MXC_NAND_REGS_BASE 0xd8000000
-#define CFG_SYS_NAND_BASE 0xd8000000
-#define CONFIG_MXC_NAND_HWECC
-
-/*
- * U-Boot general configuration
- */
-#define CONFIG_EXTRA_ENV_SETTINGS \
- "netdev=eth0\0" \
- "nfsargs=setenv bootargs root=/dev/nfs rw " \
- "nfsroot=${serverip}:${rootpath}\0" \
- "ramargs=setenv bootargs root=/dev/ram rw\0" \
- "addip=setenv bootargs ${bootargs} " \
- "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
- ":${hostname}:${netdev}:off panic=1\0" \
- "addtty=setenv bootargs ${bootargs}" \
- " console=ttymxc0,${baudrate}\0" \
- "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
- "addmisc=setenv bootargs ${bootargs}\0" \
- "u-boot=" CONFIG_HOSTNAME "/u-boot.bin\0" \
- "kernel_addr_r=a0800000\0" \
- "bootfile=" CONFIG_HOSTNAME "/uImage\0" \
- "rootpath=/opt/eldk-4.2-arm/arm\0" \
- "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
- "run nfsargs addip addtty addmtd addmisc;" \
- "bootm\0" \
- "bootcmd=run net_nfs\0" \
- "load=tftp ${loadaddr} ${u-boot}\0" \
- "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) \
- " +${filesize};era " __stringify(CONFIG_SYS_MONITOR_BASE)\
- " +${filesize};cp.b ${fileaddr} " \
- __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
- "upd=run load update\0" \
-
-/* additions for new relocation code, must be added to all boards */
-#define CFG_SYS_SDRAM_BASE PHYS_SDRAM_1
-#endif /* __IMX27LITE_COMMON_CONFIG_H */
--
2.25.1
More information about the U-Boot
mailing list