diff options
Diffstat (limited to 'cpu/arm_cortexa8/mx51')
| -rw-r--r-- | cpu/arm_cortexa8/mx51/Makefile | 48 | ||||
| -rw-r--r-- | cpu/arm_cortexa8/mx51/clock.c | 294 | ||||
| -rw-r--r-- | cpu/arm_cortexa8/mx51/iomux.c | 166 | ||||
| -rw-r--r-- | cpu/arm_cortexa8/mx51/lowlevel_init.S | 288 | ||||
| -rw-r--r-- | cpu/arm_cortexa8/mx51/soc.c | 114 | ||||
| -rw-r--r-- | cpu/arm_cortexa8/mx51/speed.c | 39 | ||||
| -rw-r--r-- | cpu/arm_cortexa8/mx51/timer.c | 119 | ||||
| -rw-r--r-- | cpu/arm_cortexa8/mx51/u-boot.lds | 61 |
8 files changed, 0 insertions, 1129 deletions
diff --git a/cpu/arm_cortexa8/mx51/Makefile b/cpu/arm_cortexa8/mx51/Makefile deleted file mode 100644 index 7cfaa2c130..0000000000 --- a/cpu/arm_cortexa8/mx51/Makefile +++ /dev/null @@ -1,48 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 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).a - -COBJS = soc.o clock.o iomux.o timer.o speed.o -SOBJS = lowlevel_init.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) - -all: $(obj).depend $(LIB) - -$(LIB): $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/cpu/arm_cortexa8/mx51/clock.c b/cpu/arm_cortexa8/mx51/clock.c deleted file mode 100644 index 38480ac5a1..0000000000 --- a/cpu/arm_cortexa8/mx51/clock.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * (C) Copyright 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/errno.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/crm_regs.h> -#include <asm/arch/clock.h> - -enum pll_clocks { - PLL1_CLOCK = 0, - PLL2_CLOCK, - PLL3_CLOCK, - PLL_CLOCKS, -}; - -struct mxc_pll_reg *mxc_plls[PLL_CLOCKS] = { - [PLL1_CLOCK] = (struct mxc_pll_reg *)PLL1_BASE_ADDR, - [PLL2_CLOCK] = (struct mxc_pll_reg *)PLL2_BASE_ADDR, - [PLL3_CLOCK] = (struct mxc_pll_reg *)PLL3_BASE_ADDR, -}; - -struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE; - -/* - * Calculate the frequency of this pll. - */ -static u32 decode_pll(struct mxc_pll_reg *pll, u32 infreq) -{ - u32 mfi, mfn, mfd, pd; - - mfn = __raw_readl(&pll->mfn); - mfd = __raw_readl(&pll->mfd) + 1; - mfi = __raw_readl(&pll->op); - pd = (mfi & 0xF) + 1; - mfi = (mfi >> 4) & 0xF; - mfi = (mfi >= 5) ? mfi : 5; - - return ((4 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000; -} - -/* - * Get mcu main rate - */ -u32 get_mcu_main_clk(void) -{ - u32 reg, freq; - - reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >> - MXC_CCM_CACRR_ARM_PODF_OFFSET; - freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ); - return freq / (reg + 1); -} - -/* - * Get the rate of peripheral's root clock. - */ -static u32 get_periph_clk(void) -{ - u32 reg; - - reg = __raw_readl(&mxc_ccm->cbcdr); - if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL)) - return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ); - reg = __raw_readl(&mxc_ccm->cbcmr); - switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >> - MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) { - case 0: - return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ); - case 1: - return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ); - default: - return 0; - } - /* NOTREACHED */ -} - -/* - * Get the rate of ipg clock. - */ -static u32 get_ipg_clk(void) -{ - u32 ahb_podf, ipg_podf; - - ahb_podf = __raw_readl(&mxc_ccm->cbcdr); - ipg_podf = (ahb_podf & MXC_CCM_CBCDR_IPG_PODF_MASK) >> - MXC_CCM_CBCDR_IPG_PODF_OFFSET; - ahb_podf = (ahb_podf & MXC_CCM_CBCDR_AHB_PODF_MASK) >> - MXC_CCM_CBCDR_AHB_PODF_OFFSET; - return get_periph_clk() / ((ahb_podf + 1) * (ipg_podf + 1)); -} - -/* - * Get the rate of ipg_per clock. - */ -static u32 get_ipg_per_clk(void) -{ - u32 pred1, pred2, podf; - - if (__raw_readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL) - return get_ipg_clk(); - /* Fixme: not handle what about lpm*/ - podf = __raw_readl(&mxc_ccm->cbcdr); - pred1 = (podf & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >> - MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET; - pred2 = (podf & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >> - MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET; - podf = (podf & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >> - MXC_CCM_CBCDR_PERCLK_PODF_OFFSET; - - return get_periph_clk() / ((pred1 + 1) * (pred2 + 1) * (podf + 1)); -} - -/* - * Get the rate of uart clk. - */ -static u32 get_uart_clk(void) -{ - unsigned int freq, reg, pred, podf; - - reg = __raw_readl(&mxc_ccm->cscmr1); - switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >> - MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) { - case 0x0: - freq = decode_pll(mxc_plls[PLL1_CLOCK], - CONFIG_MX51_HCLK_FREQ); - break; - case 0x1: - freq = decode_pll(mxc_plls[PLL2_CLOCK], - CONFIG_MX51_HCLK_FREQ); - break; - case 0x2: - freq = decode_pll(mxc_plls[PLL3_CLOCK], - CONFIG_MX51_HCLK_FREQ); - break; - default: - return 66500000; - } - - reg = __raw_readl(&mxc_ccm->cscdr1); - - pred = (reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >> - MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET; - - podf = (reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >> - MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET; - freq /= (pred + 1) * (podf + 1); - - return freq; -} - -/* - * This function returns the low power audio clock. - */ -u32 get_lp_apm(void) -{ - u32 ret_val = 0; - u32 ccsr = __raw_readl(&mxc_ccm->ccsr); - - if (((ccsr >> 9) & 1) == 0) - ret_val = CONFIG_MX51_HCLK_FREQ; - else - ret_val = ((32768 * 1024)); - - return ret_val; -} - -/* - * get cspi clock rate. - */ -u32 imx_get_cspiclk(void) -{ - u32 ret_val = 0, pdf, pre_pdf, clk_sel; - u32 cscmr1 = __raw_readl(&mxc_ccm->cscmr1); - u32 cscdr2 = __raw_readl(&mxc_ccm->cscdr2); - - pre_pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK) \ - >> MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET; - pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK) \ - >> MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET; - clk_sel = (cscmr1 & MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK) \ - >> MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET; - - switch (clk_sel) { - case 0: - ret_val = decode_pll(mxc_plls[PLL1_CLOCK], - CONFIG_MX51_HCLK_FREQ) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case 1: - ret_val = decode_pll(mxc_plls[PLL2_CLOCK], - CONFIG_MX51_HCLK_FREQ) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case 2: - ret_val = decode_pll(mxc_plls[PLL3_CLOCK], - CONFIG_MX51_HCLK_FREQ) / - ((pre_pdf + 1) * (pdf + 1)); - break; - default: - ret_val = get_lp_apm() / ((pre_pdf + 1) * (pdf + 1)); - break; - } - - return ret_val; -} - -/* - * The API of get mxc clockes. - */ -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 get_uart_clk(); - case MXC_CSPI_CLK: - return imx_get_cspiclk(); - case MXC_FEC_CLK: - return decode_pll(mxc_plls[PLL1_CLOCK], - CONFIG_MX51_HCLK_FREQ); - default: - break; - } - return -1; -} - -u32 imx_get_uartclk(void) -{ - return get_uart_clk(); -} - - -u32 imx_get_fecclk(void) -{ - return mxc_get_clock(MXC_IPG_CLK); -} - -/* - * Dump some core clockes. - */ -int do_mx51_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - u32 freq; - - freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ); - printf("mx51 pll1: %dMHz\n", freq / 1000000); - freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ); - printf("mx51 pll2: %dMHz\n", freq / 1000000); - freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ); - printf("mx51 pll3: %dMHz\n", freq / 1000000); - printf("ipg clock : %dHz\n", mxc_get_clock(MXC_IPG_CLK)); - printf("ipg per clock : %dHz\n", mxc_get_clock(MXC_IPG_PERCLK)); - - return 0; -} - -/***************************************************/ - -U_BOOT_CMD( - clockinfo, CONFIG_SYS_MAXARGS, 1, do_mx51_showclocks, - "display mx51 clocks\n", - "" -); diff --git a/cpu/arm_cortexa8/mx51/iomux.c b/cpu/arm_cortexa8/mx51/iomux.c deleted file mode 100644 index 62b2954be9..0000000000 --- a/cpu/arm_cortexa8/mx51/iomux.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * (C) Copyright 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> -#include <asm/arch/mx51_pins.h> -#include <asm/arch/iomux.h> -#include <asm/arch/sys_proto.h> - -/* IOMUX register (base) addresses */ -enum iomux_reg_addr { - IOMUXGPR0 = IOMUXC_BASE_ADDR, - IOMUXGPR1 = IOMUXC_BASE_ADDR + 0x004, - IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR, - IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END, - IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START, - IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR, -}; - -#define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1) - -/* Get the iomux register address of this pin */ -static inline u32 get_mux_reg(iomux_pin_name_t pin) -{ - u32 mux_reg = PIN_TO_IOMUX_MUX(pin); - - if (is_soc_rev(CHIP_REV_2_0) < 0) { - /* - * Fixup register address: - * i.MX51 TO1 has offset with the register - * which is define as TO2. - */ - if ((pin == MX51_PIN_NANDF_RB5) || - (pin == MX51_PIN_NANDF_RB6) || - (pin == MX51_PIN_NANDF_RB7)) - ; /* Do nothing */ - else if (mux_reg >= 0x2FC) - mux_reg += 8; - else if (mux_reg >= 0x130) - mux_reg += 0xC; - } - mux_reg += IOMUXSW_MUX_CTL; - return mux_reg; -} - -/* Get the pad register address of this pin */ -static inline u32 get_pad_reg(iomux_pin_name_t pin) -{ - u32 pad_reg = PIN_TO_IOMUX_PAD(pin); - - if (is_soc_rev(CHIP_REV_2_0) < 0) { - /* - * Fixup register address: - * i.MX51 TO1 has offset with the register - * which is define as TO2. - */ - if ((pin == MX51_PIN_NANDF_RB5) || - (pin == MX51_PIN_NANDF_RB6) || - (pin == MX51_PIN_NANDF_RB7)) - ; /* Do nothing */ - else if (pad_reg == 0x4D0 - PAD_I_START) - pad_reg += 0x4C; - else if (pad_reg == 0x860 - PAD_I_START) - pad_reg += 0x9C; - else if (pad_reg >= 0x804 - PAD_I_START) - pad_reg += 0xB0; - else if (pad_reg >= 0x7FC - PAD_I_START) - pad_reg += 0xB4; - else if (pad_reg >= 0x4E4 - PAD_I_START) - pad_reg += 0xCC; - else - pad_reg += 8; - } - pad_reg += IOMUXSW_PAD_CTL; - return pad_reg; -} - -/* Get the last iomux register address */ -static inline u32 get_mux_end(void) -{ - if (is_soc_rev(CHIP_REV_2_0) < 0) - return IOMUXC_BASE_ADDR + (0x3F8 - 4); - else - return IOMUXC_BASE_ADDR + (0x3F0 - 4); -} - -/* - * This function is used to configure a pin through the IOMUX module. - * @param pin a pin number as defined in iomux_pin_name_t - * @param cfg an output function as defined in iomux_pin_cfg_t - * - * @return 0 if successful; Non-zero otherwise - */ -static void iomux_config_mux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ - u32 mux_reg = get_mux_reg(pin); - - if ((mux_reg > get_mux_end()) || (mux_reg < IOMUXSW_MUX_CTL)) - return ; - if (cfg == IOMUX_CONFIG_GPIO) - writel(PIN_TO_ALT_GPIO(pin), mux_reg); - else - writel(cfg, mux_reg); -} - -/* - * Request ownership for an IO pin. This function has to be the first one - * being called before that pin is used. The caller has to check the - * return value to make sure it returns 0. - * - * @param pin a name defined by iomux_pin_name_t - * @param cfg an input function as defined in iomux_pin_cfg_t - * - */ -void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ - iomux_config_mux(pin, cfg); -} - -/* - * Release ownership for an IO pin - * - * @param pin a name defined by iomux_pin_name_t - * @param cfg an input function as defined in iomux_pin_cfg_t - */ -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 = get_pad_reg(pin); - writel(config, pad_reg); -} - -unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin) -{ - u32 pad_reg = get_pad_reg(pin); - return readl(pad_reg); -} diff --git a/cpu/arm_cortexa8/mx51/lowlevel_init.S b/cpu/arm_cortexa8/mx51/lowlevel_init.S deleted file mode 100644 index 31af9e2b58..0000000000 --- a/cpu/arm_cortexa8/mx51/lowlevel_init.S +++ /dev/null @@ -1,288 +0,0 @@ -/* - * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * 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 <config.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/asm-offsets.h> - -/* - * L2CC Cache setup/invalidation/disable - */ -.macro init_l2cc - /* explicitly disable L2 cache */ - mrc 15, 0, r0, c1, c0, 1 - bic r0, r0, #0x2 - mcr 15, 0, r0, c1, c0, 1 - - /* reconfigure L2 cache aux control reg */ - mov r0, #0xC0 /* tag RAM */ - add r0, r0, #0x4 /* data RAM */ - orr r0, r0, #(1 << 24) /* disable write allocate delay */ - orr r0, r0, #(1 << 23) /* disable write allocate combine */ - orr r0, r0, #(1 << 22) /* disable write allocate */ - - cmp r3, #0x10 /* r3 contains the silicon rev */ - - /* disable write combine for TO 2 and lower revs */ - orrls r0, r0, #(1 << 25) - - mcr 15, 1, r0, c9, c0, 2 -.endm /* init_l2cc */ - -/* AIPS setup - Only setup MPROTx registers. - * The PACR default values are good.*/ -.macro init_aips - /* - * Set all MPROTx to be non-bufferable, trusted for R/W, - * not forced to user-mode. - */ - ldr r0, =AIPS1_BASE_ADDR - ldr r1, =0x77777777 - str r1, [r0, #0x0] - str r1, [r0, #0x4] - ldr r0, =AIPS2_BASE_ADDR - str r1, [r0, #0x0] - str r1, [r0, #0x4] - /* - * Clear the on and off peripheral modules Supervisor Protect bit - * for SDMA to access them. Did not change the AIPS control registers - * (offset 0x20) access type - */ -.endm /* init_aips */ - -/* M4IF setup */ -.macro init_m4if - /* VPU and IPU given higher priority (0x4) - * IPU accesses with ID=0x1 given highest priority (=0xA) - */ - ldr r0, =M4IF_BASE_ADDR - - ldr r1, =0x00000203 - str r1, [r0, #0x40] - - ldr r1, =0x0 - str r1, [r0, #0x44] - - ldr r1, =0x00120125 - str r1, [r0, #0x9C] - - ldr r1, =0x001901A3 - str r1, [r0, #0x48] - -.endm /* init_m4if */ - -.macro setup_pll pll, freq - ldr r2, =\pll - ldr r1, =0x00001232 - str r1, [r2, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */ - mov r1, #0x2 - str r1, [r2, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */ - - str r3, [r2, #PLL_DP_OP] - str r3, [r2, #PLL_DP_HFS_OP] - - str r4, [r2, #PLL_DP_MFD] - str r4, [r2, #PLL_DP_HFS_MFD] - - str r5, [r2, #PLL_DP_MFN] - str r5, [r2, #PLL_DP_HFS_MFN] - - ldr r1, =0x00001232 - str r1, [r2, #PLL_DP_CTL] -1: ldr r1, [r2, #PLL_DP_CTL] - ands r1, r1, #0x1 - beq 1b -.endm - -.macro init_clock - ldr r0, =CCM_BASE_ADDR - - /* Gate of clocks to the peripherals first */ - ldr r1, =0x3FFFFFFF - str r1, [r0, #CLKCTL_CCGR0] - ldr r1, =0x0 - str r1, [r0, #CLKCTL_CCGR1] - str r1, [r0, #CLKCTL_CCGR2] - str r1, [r0, #CLKCTL_CCGR3] - - ldr r1, =0x00030000 - str r1, [r0, #CLKCTL_CCGR4] - ldr r1, =0x00FFF030 - str r1, [r0, #CLKCTL_CCGR5] - ldr r1, =0x00000300 - str r1, [r0, #CLKCTL_CCGR6] - - /* Disable IPU and HSC dividers */ - mov r1, #0x60000 - str r1, [r0, #CLKCTL_CCDR] - - /* Make sure to switch the DDR away from PLL 1 */ - ldr r1, =0x19239145 - str r1, [r0, #CLKCTL_CBCDR] - /* make sure divider effective */ -1: ldr r1, [r0, #CLKCTL_CDHIPR] - cmp r1, #0x0 - bne 1b - - /* Switch ARM to step clock */ - mov r1, #0x4 - str r1, [r0, #CLKCTL_CCSR] - mov r3, #DP_OP_800 - mov r4, #DP_MFD_800 - mov r5, #DP_MFN_800 - setup_pll PLL1_BASE_ADDR - - mov r3, #DP_OP_665 - mov r4, #DP_MFD_665 - mov r5, #DP_MFN_665 - setup_pll PLL3_BASE_ADDR - - /* Switch peripheral to PLL 3 */ - ldr r0, =CCM_BASE_ADDR - ldr r1, =0x000010C0 - str r1, [r0, #CLKCTL_CBCMR] - ldr r1, =0x13239145 - str r1, [r0, #CLKCTL_CBCDR] - mov r3, #DP_OP_665 - mov r4, #DP_MFD_665 - mov r5, #DP_MFN_665 - setup_pll PLL2_BASE_ADDR - - /* Switch peripheral to PLL2 */ - ldr r0, =CCM_BASE_ADDR - ldr r1, =0x19239145 - str r1, [r0, #CLKCTL_CBCDR] - ldr r1, =0x000020C0 - str r1, [r0, #CLKCTL_CBCMR] - - mov r3, #DP_OP_216 - mov r4, #DP_MFD_216 - mov r5, #DP_MFN_216 - setup_pll PLL3_BASE_ADDR - - - /* Set the platform clock dividers */ - ldr r0, =ARM_BASE_ADDR - ldr r1, =0x00000725 - str r1, [r0, #0x14] - - ldr r0, =CCM_BASE_ADDR - - /* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */ - ldr r1, =0x0 - ldr r3, [r1, #ROM_SI_REV] - cmp r3, #0x10 - movls r1, #0x1 - movhi r1, #0 - str r1, [r0, #CLKCTL_CACRR] - - /* Switch ARM back to PLL 1 */ - mov r1, #0 - str r1, [r0, #CLKCTL_CCSR] - - /* setup the rest */ - /* Use lp_apm (24MHz) source for perclk */ - ldr r1, =0x000020C2 - str r1, [r0, #CLKCTL_CBCMR] - /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */ - ldr r1, =0x59E35100 - str r1, [r0, #CLKCTL_CBCDR] - - /* Restore the default values in the Gate registers */ - ldr r1, =0xFFFFFFFF - str r1, [r0, #CLKCTL_CCGR0] - str r1, [r0, #CLKCTL_CCGR1] - str r1, [r0, #CLKCTL_CCGR2] - str r1, [r0, #CLKCTL_CCGR3] - str r1, [r0, #CLKCTL_CCGR4] - str r1, [r0, #CLKCTL_CCGR5] - str r1, [r0, #CLKCTL_CCGR6] - - /* Use PLL 2 for UART's, get 66.5MHz from it */ - ldr r1, =0xA5A2A020 - str r1, [r0, #CLKCTL_CSCMR1] - ldr r1, =0x00C30321 - str r1, [r0, #CLKCTL_CSCDR1] - - /* make sure divider effective */ -1: ldr r1, [r0, #CLKCTL_CDHIPR] - cmp r1, #0x0 - bne 1b - - mov r1, #0x0 - str r1, [r0, #CLKCTL_CCDR] - - /* for cko - for ARM div by 8 */ - mov r1, #0x000A0000 - add r1, r1, #0x00000F0 - str r1, [r0, #CLKCTL_CCOSR] -.endm - -.macro setup_wdog - ldr r0, =WDOG1_BASE_ADDR - mov r1, #0x30 - strh r1, [r0] -.endm - -.section ".text.init", "x" - -.globl lowlevel_init -lowlevel_init: - ldr r0, =GPIO1_BASE_ADDR - ldr r1, [r0, #0x0] - orr r1, r1, #(1 << 23) - str r1, [r0, #0x0] - ldr r1, [r0, #0x4] - orr r1, r1, #(1 << 23) - str r1, [r0, #0x4] - -#ifdef ENABLE_IMPRECISE_ABORT - mrs r1, spsr /* save old spsr */ - mrs r0, cpsr /* read out the cpsr */ - bic r0, r0, #0x100 /* clear the A bit */ - msr spsr, r0 /* update spsr */ - add lr, pc, #0x8 /* update lr */ - movs pc, lr /* update cpsr */ - nop - nop - nop - nop - msr spsr, r1 /* restore old spsr */ -#endif - - init_l2cc - - init_aips - - init_m4if - - init_clock - - /* r12 saved upper lr*/ - mov pc,lr - -/* Board level setting value */ -DDR_PERCHARGE_CMD: .word 0x04008008 -DDR_REFRESH_CMD: .word 0x00008010 -DDR_LMR1_W: .word 0x00338018 -DDR_LMR_CMD: .word 0xB2220000 -DDR_TIMING_W: .word 0xB02567A9 -DDR_MISC_W: .word 0x000A0104 diff --git a/cpu/arm_cortexa8/mx51/soc.c b/cpu/arm_cortexa8/mx51/soc.c deleted file mode 100644 index 2a139b21d5..0000000000 --- a/cpu/arm_cortexa8/mx51/soc.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * (C) Copyright 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/arch/imx-regs.h> -#include <asm/arch/clock.h> -#include <asm/errno.h> -#include <asm/io.h> - -#ifdef CONFIG_FSL_ESDHC -#include <fsl_esdhc.h> -#endif - -u32 get_cpu_rev(void) -{ - int reg; - int system_rev; - - reg = __raw_readl(ROM_SI_REV); - switch (reg) { - case 0x02: - system_rev = 0x51000 | CHIP_REV_1_1; - break; - case 0x10: - if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0) - system_rev = 0x51000 | CHIP_REV_2_5; - else - system_rev = 0x51000 | CHIP_REV_2_0; - break; - case 0x20: - system_rev = 0x51000 | CHIP_REV_3_0; - break; - return system_rev; - default: - system_rev = 0x51000 | CHIP_REV_1_0; - break; - } - return system_rev; -} - - -#if defined(CONFIG_DISPLAY_CPUINFO) -int print_cpuinfo(void) -{ - u32 cpurev; - - cpurev = get_cpu_rev(); - printf("CPU: Freescale i.MX51 family %d.%dV at %d MHz\n", - (cpurev & 0xF0) >> 4, - (cpurev & 0x0F) >> 4, - mxc_get_clock(MXC_ARM_CLK) / 1000000); - return 0; -} -#endif - -/* - * Initializes on-chip ethernet controllers. - * to override, implement board_eth_init() - */ -#if defined(CONFIG_FEC_MXC) -extern int fecmxc_initialize(bd_t *bis); -#endif - -int cpu_eth_init(bd_t *bis) -{ - int rc = -ENODEV; - -#if defined(CONFIG_FEC_MXC) - rc = fecmxc_initialize(bis); -#endif - - return rc; -} - -/* - * Initializes on-chip MMC controllers. - * to override, implement board_mmc_init() - */ -int cpu_mmc_init(bd_t *bis) -{ -#ifdef CONFIG_FSL_ESDHC - return fsl_esdhc_mmc_init(bis); -#else - return 0; -#endif -} - - -void reset_cpu(ulong addr) -{ - __raw_writew(4, WDOG1_BASE_ADDR); -} diff --git a/cpu/arm_cortexa8/mx51/speed.c b/cpu/arm_cortexa8/mx51/speed.c deleted file mode 100644 index a444def7eb..0000000000 --- a/cpu/arm_cortexa8/mx51/speed.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * (C) Copyright 2000-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * 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/arch/imx-regs.h> -#include <asm/arch/clock.h> - -int get_clocks(void) -{ - DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_FSL_ESDHC - gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK); -#endif - return 0; -} diff --git a/cpu/arm_cortexa8/mx51/timer.c b/cpu/arm_cortexa8/mx51/timer.c deleted file mode 100644 index 8ecfec66da..0000000000 --- a/cpu/arm_cortexa8/mx51/timer.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * (C) Copyright 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 registers */ -struct mxc_gpt { - unsigned int control; - unsigned int prescaler; - unsigned int status; - unsigned int nouse[6]; - unsigned int counter; -}; - -static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR; - -/* General purpose timers bitfields */ -#define GPTCR_SWR (1<<15) /* Software reset */ -#define GPTCR_FRR (1<<9) /* Freerun / restart */ -#define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */ -#define GPTCR_TEN (1) /* Timer enable */ - -static ulong timestamp; -static ulong lastinc; - -int timer_init(void) -{ - int i; - - /* setup GP Timer 1 */ - __raw_writel(GPTCR_SWR, &cur_gpt->control); - - /* We have no udelay by now */ - for (i = 0; i < 100; i++) - __raw_writel(0, &cur_gpt->control); - - __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */ - - /* Freerun Mode, PERCLK1 input */ - i = __raw_readl(&cur_gpt->control); - __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control); - reset_timer_masked(); - return 0; -} - -void reset_timer(void) -{ - reset_timer_masked(); -} - -void reset_timer_masked(void) -{ - ulong val = __raw_readl(&cur_gpt->counter); - lastinc = val / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ); - timestamp = 0; -} - -ulong get_timer_masked(void) -{ - ulong val = __raw_readl(&cur_gpt->counter); - val /= (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ); - if (val >= lastinc) - timestamp += (val - lastinc); - else - timestamp += ((0xFFFFFFFF / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ)) - - lastinc) + val; - lastinc = val; - return val; -} - -ulong get_timer(ulong base) -{ - return get_timer_masked() - base; -} - -void set_timer(ulong t) -{ - timestamp = t; -} - -/* delay x useconds AND perserve advance timstamp value */ -void __udelay(unsigned long usec) -{ - unsigned long now, start, tmo; - tmo = usec * (CONFIG_MX51_CLK32 / 1000) / 1000; - - if (!tmo) - tmo = 1; - - now = start = readl(&cur_gpt->counter); - - while ((now - start) < tmo) - now = readl(&cur_gpt->counter); - -} diff --git a/cpu/arm_cortexa8/mx51/u-boot.lds b/cpu/arm_cortexa8/mx51/u-boot.lds deleted file mode 100644 index 84c173ac71..0000000000 --- a/cpu/arm_cortexa8/mx51/u-boot.lds +++ /dev/null @@ -1,61 +0,0 @@ -/* - * January 2004 - Changed to support H4 device - * Copyright (c) 2004 Texas Instruments - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> - * - * (C) Copyright 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 - */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - - . = ALIGN(4); - .text : - { - cpu/arm_cortexa8/start.o - *(.text) - } - - . = ALIGN(4); - .rodata : { *(.rodata) } - - . = ALIGN(4); - .data : { *(.data) } - - . = ALIGN(4); - .got : { *(.got) } - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - . = ALIGN(4); - __bss_start = .; - .bss : { *(.bss) } - _end = .; -} |