diff options
Diffstat (limited to 'arch/arm/cpu/arm1136/mx35')
| -rw-r--r-- | arch/arm/cpu/arm1136/mx35/Makefile | 63 | ||||
| -rw-r--r-- | arch/arm/cpu/arm1136/mx35/asm-offsets.c | 43 | ||||
| -rw-r--r-- | arch/arm/cpu/arm1136/mx35/generic.c | 463 | ||||
| -rw-r--r-- | arch/arm/cpu/arm1136/mx35/iomux.c | 116 | ||||
| -rw-r--r-- | arch/arm/cpu/arm1136/mx35/timer.c | 120 |
5 files changed, 0 insertions, 805 deletions
diff --git a/arch/arm/cpu/arm1136/mx35/Makefile b/arch/arm/cpu/arm1136/mx35/Makefile deleted file mode 100644 index 20f36e3..0000000 --- a/arch/arm/cpu/arm1136/mx35/Makefile +++ /dev/null @@ -1,63 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2008-2009 Freescale Semiconductor, Inc. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(SOC).o - -COBJS += generic.o -COBJS += timer.o -COBJS += iomux.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) - -all: $(obj).depend $(LIB) - -$(LIB): $(OBJS) - $(call cmd_link_o_target, $(OBJS)) - -$(OBJS) : $(TOPDIR)/include/asm/arch/asm-offsets.h - - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### - -$(TOPDIR)/include/asm/arch/asm-offsets.h: $(TOPDIR)/include/autoconf.mk.dep \ - ./asm-offsets.s - @echo Generating $@ - $(TOPDIR)/tools/scripts/make-asm-offsets ./asm-offsets.s $@ - -asm-offsets.s: $(TOPDIR)/include/autoconf.mk.dep \ - ./asm-offsets.c - $(CC) -DDO_DEPS_ONLY \ - $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ - -o $@ ./asm-offsets.c -c -S diff --git a/arch/arm/cpu/arm1136/mx35/asm-offsets.c b/arch/arm/cpu/arm1136/mx35/asm-offsets.c deleted file mode 100644 index d2678e2..0000000 --- a/arch/arm/cpu/arm1136/mx35/asm-offsets.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c - * - * This program is used to generate definitions needed by - * assembly language modules. - * - * We use the technique used in the OSF Mach kernel code: - * generate asm statements containing #defines, - * compile this file to assembler, and then extract the - * #defines from the assembly-language output. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <common.h> -#include <asm/arch/imx-regs.h> - -#include <linux/kbuild.h> - -int main(void) -{ - - /* Round up to make sure size gives nice stack alignment */ - DEFINE(CLKCTL_CCMR, offsetof(struct ccm_regs, ccmr)); - DEFINE(CLKCTL_PDR0, offsetof(struct ccm_regs, pdr0)); - DEFINE(CLKCTL_PDR1, offsetof(struct ccm_regs, pdr1)); - DEFINE(CLKCTL_PDR2, offsetof(struct ccm_regs, pdr2)); - DEFINE(CLKCTL_PDR3, offsetof(struct ccm_regs, pdr3)); - DEFINE(CLKCTL_PDR4, offsetof(struct ccm_regs, pdr4)); - DEFINE(CLKCTL_RCSR, offsetof(struct ccm_regs, rcsr)); - DEFINE(CLKCTL_MPCTL, offsetof(struct ccm_regs, mpctl)); - DEFINE(CLKCTL_PPCTL, offsetof(struct ccm_regs, ppctl)); - DEFINE(CLKCTL_ACMR, offsetof(struct ccm_regs, acmr)); - DEFINE(CLKCTL_COSR, offsetof(struct ccm_regs, cosr)); - DEFINE(CLKCTL_CGR0, offsetof(struct ccm_regs, cgr0)); - DEFINE(CLKCTL_CGR1, offsetof(struct ccm_regs, cgr1)); - DEFINE(CLKCTL_CGR2, offsetof(struct ccm_regs, cgr2)); - - return 0; -} diff --git a/arch/arm/cpu/arm1136/mx35/generic.c b/arch/arm/cpu/arm1136/mx35/generic.c deleted file mode 100644 index 1b4ab75..0000000 --- a/arch/arm/cpu/arm1136/mx35/generic.c +++ /dev/null @@ -1,463 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * (C) Copyright 2008-2010 Freescale Semiconductor, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/errno.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/crm_regs.h> -#include <asm/arch/clock.h> -#include <asm/arch/sys_proto.h> -#include <netdev.h> - -#define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel)) -#define CLK_CODE_ARM(c) (((c) >> 16) & 0xFF) -#define CLK_CODE_AHB(c) (((c) >> 8) & 0xFF) -#define CLK_CODE_PATH(c) ((c) & 0xFF) - -#define CCM_GET_DIVIDER(x, m, o) (((x) & (m)) >> (o)) - -#ifdef CONFIG_FSL_ESDHC -DECLARE_GLOBAL_DATA_PTR; -#endif - -static int g_clk_mux_auto[8] = { - CLK_CODE(1, 3, 0), CLK_CODE(1, 2, 1), CLK_CODE(2, 1, 1), -1, - CLK_CODE(1, 6, 0), CLK_CODE(1, 4, 1), CLK_CODE(2, 2, 1), -1, -}; - -static int g_clk_mux_consumer[16] = { - CLK_CODE(1, 4, 0), CLK_CODE(1, 3, 1), CLK_CODE(1, 3, 1), -1, - -1, -1, CLK_CODE(4, 1, 0), CLK_CODE(1, 5, 0), - CLK_CODE(1, 8, 1), CLK_CODE(1, 6, 1), CLK_CODE(2, 4, 0), -1, - -1, -1, CLK_CODE(4, 2, 0), -1, -}; - -static int hsp_div_table[3][16] = { - {4, 3, 2, -1, -1, -1, 1, 5, 4, 3, 2, -1, -1, -1, 1, -1}, - {-1, -1, -1, -1, -1, -1, -1, -1, 8, 6, 4, -1, -1, -1, 2, -1}, - {3, -1, -1, -1, -1, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1}, -}; - -u32 get_cpu_rev(void) -{ - int reg; - struct iim_regs *iim = - (struct iim_regs *)IIM_BASE_ADDR; - reg = readl(&iim->iim_srev); - if (!reg) { - reg = readw(ROMPATCH_REV); - reg <<= 4; - } else { - reg += CHIP_REV_1_0; - } - - return 0x35000 + (reg & 0xFF); -} - -static u32 get_arm_div(u32 pdr0, u32 *fi, u32 *fd) -{ - int *pclk_mux; - if (pdr0 & MXC_CCM_PDR0_AUTO_CON) { - pclk_mux = g_clk_mux_consumer + - ((pdr0 & MXC_CCM_PDR0_CON_MUX_DIV_MASK) >> - MXC_CCM_PDR0_CON_MUX_DIV_OFFSET); - } else { - pclk_mux = g_clk_mux_auto + - ((pdr0 & MXC_CCM_PDR0_AUTO_MUX_DIV_MASK) >> - MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET); - } - - if ((*pclk_mux) == -1) - return -1; - - if (fi && fd) { - if (!CLK_CODE_PATH(*pclk_mux)) { - *fi = *fd = 1; - return CLK_CODE_ARM(*pclk_mux); - } - if (pdr0 & MXC_CCM_PDR0_AUTO_CON) { - *fi = 3; - *fd = 4; - } else { - *fi = 2; - *fd = 3; - } - } - return CLK_CODE_ARM(*pclk_mux); -} - -static int get_ahb_div(u32 pdr0) -{ - int *pclk_mux; - - pclk_mux = g_clk_mux_consumer + - ((pdr0 & MXC_CCM_PDR0_CON_MUX_DIV_MASK) >> - MXC_CCM_PDR0_CON_MUX_DIV_OFFSET); - - if ((*pclk_mux) == -1) - return -1; - - return CLK_CODE_AHB(*pclk_mux); -} - -static u32 decode_pll(u32 reg, u32 infreq) -{ - u32 mfi = (reg >> 10) & 0xf; - u32 mfn = reg & 0x3f; - u32 mfd = (reg >> 16) & 0x3f; - u32 pd = (reg >> 26) & 0xf; - - mfi = mfi <= 5 ? 5 : mfi; - mfd += 1; - pd += 1; - - return ((2 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000; -} - -static u32 get_mcu_main_clk(void) -{ - u32 arm_div = 0, fi = 0, fd = 0; - struct ccm_regs *ccm = - (struct ccm_regs *)IMX_CCM_BASE; - arm_div = get_arm_div(readl(&ccm->pdr0), &fi, &fd); - fi *= - decode_pll(readl(&ccm->mpctl), - CONFIG_MX35_HCLK_FREQ); - return fi / (arm_div * fd); -} - -static u32 get_ipg_clk(void) -{ - u32 freq = get_mcu_main_clk(); - struct ccm_regs *ccm = - (struct ccm_regs *)IMX_CCM_BASE; - u32 pdr0 = readl(&ccm->pdr0); - - return freq / (get_ahb_div(pdr0) * 2); -} - -static u32 get_ipg_per_clk(void) -{ - u32 freq = get_mcu_main_clk(); - struct ccm_regs *ccm = - (struct ccm_regs *)IMX_CCM_BASE; - u32 pdr0 = readl(&ccm->pdr0); - u32 pdr4 = readl(&ccm->pdr4); - u32 div; - if (pdr0 & MXC_CCM_PDR0_PER_SEL) { - div = (CCM_GET_DIVIDER(pdr4, - MXC_CCM_PDR4_PER0_PRDF_MASK, - MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1) * - (CCM_GET_DIVIDER(pdr4, - MXC_CCM_PDR4_PER0_PODF_MASK, - MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1); - } else { - div = CCM_GET_DIVIDER(pdr0, - MXC_CCM_PDR0_PER_PODF_MASK, - MXC_CCM_PDR0_PER_PODF_OFFSET) + 1; - freq /= get_ahb_div(pdr0); - } - return freq / div; -} - -u32 imx_get_uartclk(void) -{ - u32 freq; - struct ccm_regs *ccm = - (struct ccm_regs *)IMX_CCM_BASE; - u32 pdr4 = readl(&ccm->pdr4); - - if (readl(&ccm->pdr3) & MXC_CCM_PDR3_UART_M_U) { - freq = get_mcu_main_clk(); - } else { - freq = decode_pll(readl(&ccm->ppctl), - CONFIG_MX35_HCLK_FREQ); - } - freq /= ((CCM_GET_DIVIDER(pdr4, - MXC_CCM_PDR4_UART_PRDF_MASK, - MXC_CCM_PDR4_UART_PRDF_OFFSET) + 1) * - (CCM_GET_DIVIDER(pdr4, - MXC_CCM_PDR4_UART_PODF_MASK, - MXC_CCM_PDR4_UART_PODF_OFFSET) + 1)); - return freq; -} - -unsigned int mxc_get_main_clock(enum mxc_main_clocks clk) -{ - u32 nfc_pdf, hsp_podf; - u32 pll, ret_val = 0, usb_prdf, usb_podf; - struct ccm_regs *ccm = - (struct ccm_regs *)IMX_CCM_BASE; - - u32 reg = readl(&ccm->pdr0); - u32 reg4 = readl(&ccm->pdr4); - - reg |= 0x1; - - switch (clk) { - case CPU_CLK: - ret_val = get_mcu_main_clk(); - break; - case AHB_CLK: - ret_val = get_mcu_main_clk(); - break; - case HSP_CLK: - if (reg & CLKMODE_CONSUMER) { - hsp_podf = (reg >> 20) & 0x3; - pll = get_mcu_main_clk(); - hsp_podf = hsp_div_table[hsp_podf][(reg>>16)&0xF]; - if (hsp_podf > 0) { - ret_val = pll / hsp_podf; - } else { - puts("mismatch HSP with ARM clock setting\n"); - ret_val = 0; - } - } else { - ret_val = get_mcu_main_clk(); - } - break; - case IPG_CLK: - ret_val = get_ipg_clk();; - break; - case IPG_PER_CLK: - ret_val = get_ipg_per_clk(); - break; - case NFC_CLK: - nfc_pdf = (reg4 >> 28) & 0xF; - pll = get_mcu_main_clk(); - /* AHB/nfc_pdf */ - ret_val = pll / (nfc_pdf + 1); - break; - case USB_CLK: - usb_prdf = (reg4 >> 25) & 0x7; - usb_podf = (reg4 >> 22) & 0x7; - if (reg4 & 0x200) { - pll = get_mcu_main_clk(); - } else { - pll = decode_pll(readl(&ccm->ppctl), - CONFIG_MX35_HCLK_FREQ); - } - - ret_val = pll / ((usb_prdf + 1) * (usb_podf + 1)); - break; - default: - printf("Unknown clock: %d\n", clk); - break; - } - - return ret_val; -} -unsigned int mxc_get_peri_clock(enum mxc_peri_clocks clk) -{ - u32 ret_val = 0, pdf, pre_pdf, clk_sel; - struct ccm_regs *ccm = - (struct ccm_regs *)IMX_CCM_BASE; - u32 mpdr2 = readl(&ccm->pdr2); - u32 mpdr3 = readl(&ccm->pdr3); - u32 mpdr4 = readl(&ccm->pdr4); - - switch (clk) { - case UART1_BAUD: - case UART2_BAUD: - case UART3_BAUD: - clk_sel = mpdr3 & (1 << 14); - pre_pdf = (mpdr4 >> 13) & 0x7; - pdf = (mpdr4 >> 10) & 0x7; - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case SSI1_BAUD: - pre_pdf = (mpdr2 >> 24) & 0x7; - pdf = mpdr2 & 0x3F; - clk_sel = mpdr2 & (1 << 6); - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case SSI2_BAUD: - pre_pdf = (mpdr2 >> 27) & 0x7; - pdf = (mpdr2 >> 8) & 0x3F; - clk_sel = mpdr2 & (1 << 6); - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case CSI_BAUD: - clk_sel = mpdr2 & (1 << 7); - pre_pdf = (mpdr2 >> 16) & 0x7; - pdf = (mpdr2 >> 19) & 0x7; - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case MSHC_CLK: - pre_pdf = readl(&ccm->pdr1); - clk_sel = (pre_pdf & 0x80); - pdf = (pre_pdf >> 22) & 0x3F; - pre_pdf = (pre_pdf >> 28) & 0x7; - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case ESDHC1_CLK: - clk_sel = mpdr3 & 0x40; - pre_pdf = mpdr3 & 0x7; - pdf = (mpdr3>>3) & 0x7; - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case ESDHC2_CLK: - clk_sel = mpdr3 & 0x40; - pre_pdf = (mpdr3 >> 8) & 0x7; - pdf = (mpdr3 >> 11) & 0x7; - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case ESDHC3_CLK: - clk_sel = mpdr3 & 0x40; - pre_pdf = (mpdr3 >> 16) & 0x7; - pdf = (mpdr3 >> 19) & 0x7; - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case SPDIF_CLK: - clk_sel = mpdr3 & 0x400000; - pre_pdf = (mpdr3 >> 29) & 0x7; - pdf = (mpdr3 >> 23) & 0x3F; - ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : - decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); - break; - default: - printf("%s(): This clock: %d not supported yet\n", - __func__, clk); - break; - } - - return ret_val; -} - -unsigned int mxc_get_clock(enum mxc_clock clk) -{ - switch (clk) { - case MXC_ARM_CLK: - return get_mcu_main_clk(); - case MXC_AHB_CLK: - break; - case MXC_IPG_CLK: - return get_ipg_clk(); - case MXC_IPG_PERCLK: - return get_ipg_per_clk(); - case MXC_UART_CLK: - return imx_get_uartclk(); - case MXC_ESDHC_CLK: - return mxc_get_peri_clock(ESDHC1_CLK); - case MXC_USB_CLK: - return mxc_get_main_clock(USB_CLK); - case MXC_FEC_CLK: - return get_ipg_clk(); - case MXC_CSPI_CLK: - return get_ipg_clk(); - } - return -1; -} - -#ifdef CONFIG_FEC_MXC -/* - * The MX35 has no fuse for MAC, return a NULL MAC - */ -void imx_get_mac_from_fuse(unsigned char *mac) -{ - memset(mac, 0, 6); -} - -u32 imx_get_fecclk(void) -{ - return mxc_get_clock(MXC_IPG_CLK); -} -#endif - -int do_mx35_showclocks(cmd_tbl_t *cmdtp, - int flag, int argc, char * const argv[]) -{ - u32 cpufreq = get_mcu_main_clk(); - printf("mx35 cpu clock: %dMHz\n", cpufreq / 1000000); - printf("ipg clock : %dHz\n", get_ipg_clk()); - printf("ipg per clock : %dHz\n", get_ipg_per_clk()); - printf("uart clock : %dHz\n", mxc_get_clock(MXC_UART_CLK)); - - return 0; -} - -U_BOOT_CMD( - clockinfo, CONFIG_SYS_MAXARGS, 1, do_mx35_showclocks, - "display clocks\n", - "" -); - -#if defined(CONFIG_DISPLAY_CPUINFO) -int print_cpuinfo(void) -{ - printf("CPU: Freescale i.MX35 at %d MHz\n", - get_mcu_main_clk() / 1000000); - /* mxc_dump_clocks(); */ - return 0; -} -#endif - -/* - * Initializes on-chip ethernet controllers. - * to override, implement board_eth_init() - */ - -int cpu_eth_init(bd_t *bis) -{ - int rc = -ENODEV; - -#if defined(CONFIG_FEC_MXC) - rc = fecmxc_initialize(bis); -#endif - - return rc; -} - -int get_clocks(void) -{ -#ifdef CONFIG_FSL_ESDHC - gd->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); -#endif - return 0; -} - -void reset_cpu(ulong addr) -{ - struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE_ADDR; - writew(4, &wdog->wcr); -} diff --git a/arch/arm/cpu/arm1136/mx35/iomux.c b/arch/arm/cpu/arm1136/mx35/iomux.c deleted file mode 100644 index f93191d..0000000 --- a/arch/arm/cpu/arm1136/mx35/iomux.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/mx35_pins.h> -#include <asm/arch/iomux.h> - -/* - * IOMUX register (base) addresses - */ -enum iomux_reg_addr { - IOMUXGPR = IOMUXC_BASE_ADDR, /* General purpose */ - IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR + 4, /* MUX control */ - IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + 0x324, /* last MUX control */ - IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + 0x328, /* Pad control */ - IOMUXSW_PAD_END = IOMUXC_BASE_ADDR + 0x794, /* last Pad control */ - IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + 0x7AC, /* input select */ - IOMUXSW_INPUT_END = IOMUXC_BASE_ADDR + 0x9F4, /* last input select */ -}; - -#define MUX_PIN_NUM_MAX \ - (((IOMUXSW_PAD_END - IOMUXSW_PAD_CTL) >> 2) + 1) -#define MUX_INPUT_NUM_MUX \ - (((IOMUXSW_INPUT_END - IOMUXSW_INPUT_CTL) >> 2) + 1) - -#define PIN_TO_IOMUX_INDEX(pin) ((PIN_TO_IOMUX_PAD(pin) - 0x328) >> 2) - -/* - * Request ownership for an IO pin. This function has to be the first one - * being called before that pin is used. - */ -void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ - u32 mux_reg = PIN_TO_IOMUX_MUX(pin); - - if (mux_reg != NON_MUX_I) { - mux_reg += IOMUXGPR; - writel(cfg, mux_reg); - } -} - -/* - * Release ownership for an IO pin - */ -void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ -} - -/* - * This function configures the pad value for a IOMUX pin. - * - * @param pin a pin number as defined in iomux_pin_name_t - * @param config the ORed value of elements defined in iomux_pad_config_t - */ -void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config) -{ - u32 pad_reg = IOMUXGPR + PIN_TO_IOMUX_PAD(pin); - - writel(config, pad_reg); -} - -/* - * This function enables/disables the general purpose function for a particular - * signal. - * - * @param gp one signal as defined in iomux_gp_func_t - * @param en enable/disable - */ -void mxc_iomux_set_gpr(iomux_gp_func_t gp, int en) -{ - u32 l; - - l = readl(IOMUXGPR); - if (en) - l |= gp; - else - l &= ~gp; - - writel(l, IOMUXGPR); -} - -/* - * This function configures input path. - * - * @param input index of input select register as defined in - * iomux_input_select_t - * @param config the binary value of elements defined in - * iomux_input_config_t - */ -void mxc_iomux_set_input(iomux_input_select_t input, u32 config) -{ - u32 reg = IOMUXSW_INPUT_CTL + (input << 2); - - writel(config, reg); -} diff --git a/arch/arm/cpu/arm1136/mx35/timer.c b/arch/arm/cpu/arm1136/mx35/timer.c deleted file mode 100644 index db1e2c9..0000000 --- a/arch/arm/cpu/arm1136/mx35/timer.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * (C) Copyright 2008-2009 Freescale Semiconductor, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> - -/* General purpose timers bitfields */ -#define GPTCR_SWR (1<<15) /* Software reset */ -#define GPTCR_FRR (1<<9) /* Freerun / restart */ -#define GPTCR_CLKSOURCE_32 (0x100<<6) /* Clock source */ -#define GPTCR_CLKSOURCE_IPG (0x001<<6) /* Clock source */ -#define GPTCR_TEN (1) /* Timer enable */ -#define GPTPR_VAL (66) - -int timer_init(void) -{ - int i; - struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR; - - /* setup GP Timer 1 */ - writel(GPTCR_SWR, &gpt->ctrl); - for (i = 0; i < 100; i++) - writel(0, &gpt->ctrl); /* We have no udelay by now */ - - writel(GPTPR_VAL, &gpt->pre); - /* Freerun Mode, PERCLK1 input */ - writel(readl(&gpt->ctrl) | - GPTCR_CLKSOURCE_IPG | GPTCR_TEN, - &gpt->ctrl); - - return 0; -} - -void reset_timer_masked(void) -{ - struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR; - - writel(0, &gpt->ctrl); - /* Freerun Mode, PERCLK1 input */ - writel(GPTCR_CLKSOURCE_IPG | GPTCR_TEN, - &gpt->ctrl); -} - -inline ulong get_timer_masked(void) -{ - - struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR; - ulong val = readl(&gpt->counter); - - return val; -} - -void reset_timer(void) -{ - reset_timer_masked(); -} - -ulong get_timer(ulong base) -{ - ulong tmp; - - tmp = get_timer_masked(); - - if (tmp <= (base * 1000)) { - /* Overflow */ - tmp += (0xffffffff - base); - } - - return (tmp / 1000) - base; -} - -void set_timer(ulong t) -{ -} - -/* - * delay x useconds AND preserve advance timstamp value - * GPTCNT is now supposed to tick 1 by 1 us. - */ -void __udelay(unsigned long usec) -{ - ulong tmp; - - tmp = get_timer_masked(); /* get current timestamp */ - - /* if setting this forward will roll time stamp */ - if ((usec + tmp + 1) < tmp) { - /* reset "advancing" timestamp to 0, set lastinc value */ - reset_timer_masked(); - } else { - /* else, set advancing stamp wake up time */ - tmp += usec; - } - - while (get_timer_masked() < tmp) /* loop till event */ - /*NOP*/; -} |