The patch adds basic support for the Freescale's i.MX35 (arm1136 based) processor.
Signed-off-by: Stefano Babic sbabic@denx.de --- arch/arm/cpu/arm1136/mx35/Makefile | 49 +++ arch/arm/cpu/arm1136/mx35/generic.c | 462 ++++++++++++++++++++++++++++ arch/arm/cpu/arm1136/mx35/iomux.c | 147 +++++++++ arch/arm/cpu/arm1136/mx35/timer.c | 118 +++++++ arch/arm/include/asm/arch-mx35/clock.h | 45 +++ arch/arm/include/asm/arch-mx35/crm_regs.h | 270 ++++++++++++++++ arch/arm/include/asm/arch-mx35/imx-regs.h | 367 ++++++++++++++++++++++ arch/arm/include/asm/arch-mx35/iomux.h | 290 +++++++++++++++++ arch/arm/include/asm/arch-mx35/mmu.h | 172 +++++++++++ arch/arm/include/asm/arch-mx35/mx35_pins.h | 342 ++++++++++++++++++++ arch/arm/include/asm/arch-mx35/sys_proto.h | 31 ++ 11 files changed, 2293 insertions(+), 0 deletions(-) create mode 100644 arch/arm/cpu/arm1136/mx35/Makefile create mode 100644 arch/arm/cpu/arm1136/mx35/generic.c create mode 100644 arch/arm/cpu/arm1136/mx35/iomux.c create mode 100644 arch/arm/cpu/arm1136/mx35/timer.c create mode 100644 arch/arm/include/asm/arch-mx35/clock.h create mode 100644 arch/arm/include/asm/arch-mx35/crm_regs.h create mode 100644 arch/arm/include/asm/arch-mx35/imx-regs.h create mode 100644 arch/arm/include/asm/arch-mx35/iomux.h create mode 100644 arch/arm/include/asm/arch-mx35/mmu.h create mode 100644 arch/arm/include/asm/arch-mx35/mx35_pins.h create mode 100644 arch/arm/include/asm/arch-mx35/sys_proto.h
diff --git a/arch/arm/cpu/arm1136/mx35/Makefile b/arch/arm/cpu/arm1136/mx35/Makefile new file mode 100644 index 0000000..9b4cf76 --- /dev/null +++ b/arch/arm/cpu/arm1136/mx35/Makefile @@ -0,0 +1,49 @@ +# +# (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)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/arm1136/mx35/generic.c b/arch/arm/cpu/arm1136/mx35/generic.c new file mode 100644 index 0000000..f3519aa --- /dev/null +++ b/arch/arm/cpu/arm1136/mx35/generic.c @@ -0,0 +1,462 @@ +/* + * (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> + +#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 = __REG(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(); + } + 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) +{ + int i; + + for (i = 0; i < 6; i++) + mac[i] = 0; +} + +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() + */ +#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; +} + +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 new file mode 100644 index 0000000..316fccc --- /dev/null +++ b/arch/arm/cpu/arm1136/mx35/iomux.c @@ -0,0 +1,147 @@ +/* + * 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/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 register */ + IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + 0x328, + /*!< Pad control */ + IOMUXSW_PAD_END = IOMUXC_BASE_ADDR + 0x794, + /*!< last Pad control register */ + IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + 0x7AC, + /*!< input select register */ + IOMUXSW_INPUT_END = IOMUXC_BASE_ADDR + 0x9F4, + /*!< last input select register */ +}; + +#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) + +/* + * This function is used to configure a pin through the IOMUX module. + * FIXED ME: for backward compatible. Will be static function! + * @param pin a pin number as defined in \b #iomux_pin_name_t + * @param cfg an output function as defined in \b #iomux_pin_cfg_t + * + * @return 0 if successful; Non-zero otherwise + */ +static int iomux_config_mux(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; + __REG(mux_reg) = cfg; + } + + return 0; +} + +/*! + * 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 \b iomux_pin_name_t + * @param cfg an input function as defined in \b #iomux_pin_cfg_t + * + * @return 0 if successful; Non-zero otherwise + */ +int mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) +{ + int ret = iomux_config_mux(pin, cfg); + return ret; +} + +/*! + * Release ownership for an IO pin + * + * @param pin a name defined by \b iomux_pin_name_t + * @param cfg an input function as defined in \b #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 \b #iomux_pin_name_t + * @param config the ORed value of elements defined in \b #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); + + __REG(pad_reg) = config; +} + +/*! + * This function enables/disables the general purpose function for a particular + * signal. + * + * @param gp one signal as defined in \b #iomux_gp_func_t + * @param en \b #true to enable; \b #false to disable + */ +void mxc_iomux_set_gpr(iomux_gp_func_t gp, int en) +{ + u32 l; + + l = __REG(IOMUXGPR); + if (en) + l |= gp; + else + l &= ~gp; + + __REG(IOMUXGPR) = l; +} + +/*! + * This function configures input path. + * + * @param input index of input select register as defined in \b + * #iomux_input_select_t + * @param config the binary value of elements defined in \b + * #iomux_input_config_t + */ +void mxc_iomux_set_input(iomux_input_select_t input, u32 config) +{ + u32 reg = IOMUXSW_INPUT_CTL + (input << 2); + + __REG(reg) = config; +} diff --git a/arch/arm/cpu/arm1136/mx35/timer.c b/arch/arm/cpu/arm1136/mx35/timer.c new file mode 100644 index 0000000..fee948b --- /dev/null +++ b/arch/arm/cpu/arm1136/mx35/timer.c @@ -0,0 +1,118 @@ +/* + * (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 perserve 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*/; +} diff --git a/arch/arm/include/asm/arch-mx35/clock.h b/arch/arm/include/asm/arch-mx35/clock.h new file mode 100644 index 0000000..282c973 --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/clock.h @@ -0,0 +1,45 @@ +/* + * (C) Copyright 2009 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * 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 + */ + +#ifndef __ASM_ARCH_CLOCK_H +#define __ASM_ARCH_CLOCK_H + +enum mxc_clock { + MXC_ARM_CLK = 0, + MXC_AHB_CLK, + MXC_IPG_CLK, + MXC_IPG_PERCLK, + MXC_UART_CLK, + MXC_ESDHC_CLK, + MXC_USB_CLK, + MXC_CSPI_CLK, + MXC_FEC_CLK, +}; + +unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref); + +u32 imx_get_uartclk(void); +u32 imx_get_fecclk(void); +unsigned int mxc_get_clock(enum mxc_clock clk); + +#endif /* __ASM_ARCH_CLOCK_H */ diff --git a/arch/arm/include/asm/arch-mx35/crm_regs.h b/arch/arm/include/asm/arch-mx35/crm_regs.h new file mode 100644 index 0000000..e903cf1 --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/crm_regs.h @@ -0,0 +1,270 @@ +/* + * Copyright 2004-2009 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 + */ + +#ifndef __CPU_ARM1136_MX35_CRM_REGS_H__ +#define __CPU_ARM1136_MX35_CRM_REGS_H__ + +/* Register bit definitions */ +#define MXC_CCM_CCMR_WFI (1 << 30) +#define MXC_CCM_CCMR_STBY_EXIT_SRC (1 << 29) +#define MXC_CCM_CCMR_VSTBY (1 << 28) +#define MXC_CCM_CCMR_WBEN (1 << 27) +#define MXC_CCM_CCMR_VOL_RDY_CNT_OFFSET 20 +#define MXC_CCM_CCMR_VOL_RDY_CNT_MASK (0xF << 20) +#define MXC_CCM_CCMR_ROMW_OFFSET 18 +#define MXC_CCM_CCMR_ROMW_MASK (0x3 << 18) +#define MXC_CCM_CCMR_RAMW_OFFSET 21 +#define MXC_CCM_CCMR_RAMW_MASK (0x3 << 21) +#define MXC_CCM_CCMR_LPM_OFFSET 14 +#define MXC_CCM_CCMR_LPM_MASK (0x3 << 14) +#define MXC_CCM_CCMR_UPE (1 << 9) +#define MXC_CCM_CCMR_MPE (1 << 3) + +#define MXC_CCM_PDR0_PER_SEL (1 << 26) +#define MXC_CCM_PDR0_IPU_HND_BYP (1 << 23) +#define MXC_CCM_PDR0_HSP_PODF_OFFSET 20 +#define MXC_CCM_PDR0_HSP_PODF_MASK (0x3 << 20) +#define MXC_CCM_PDR0_CON_MUX_DIV_OFFSET 16 +#define MXC_CCM_PDR0_CON_MUX_DIV_MASK (0xF << 16) +#define MXC_CCM_PDR0_CKIL_SEL (1 << 15) +#define MXC_CCM_PDR0_PER_PODF_OFFSET 12 +#define MXC_CCM_PDR0_PER_PODF_MASK (0xF << 12) +#define MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET 9 +#define MXC_CCM_PDR0_AUTO_MUX_DIV_MASK (0x7 << 9) +#define MXC_CCM_PDR0_AUTO_CON 0x1 + +#define MXC_CCM_PDR1_MSHC_PRDF_OFFSET 28 +#define MXC_CCM_PDR1_MSHC_PRDF_MASK (0x7 << 28) +#define MXC_CCM_PDR1_MSHC_PODF_OFFSET 22 +#define MXC_CCM_PDR1_MSHC_PODF_MASK (0x3F << 22) +#define MXC_CCM_PDR1_MSHC_M_U (1 << 7) + +#define MXC_CCM_PDR2_SSI2_PRDF_OFFSET 27 +#define MXC_CCM_PDR2_SSI2_PRDF_MASK (0x7 << 27) +#define MXC_CCM_PDR2_SSI1_PRDF_OFFSET 24 +#define MXC_CCM_PDR2_SSI1_PRDF_MASK (0x7 << 24) +#define MXC_CCM_PDR2_CSI_PRDF_OFFSET 19 +#define MXC_CCM_PDR2_CSI_PRDF_MASK (0x7 << 19) +#define MXC_CCM_PDR2_CSI_PODF_OFFSET 16 +#define MXC_CCM_PDR2_CSI_PODF_MASK (0x7 << 16) +#define MXC_CCM_PDR2_SSI2_PODF_OFFSET 8 +#define MXC_CCM_PDR2_SSI2_PODF_MASK (0x3F << 8) +#define MXC_CCM_PDR2_CSI_M_U (1 << 7) +#define MXC_CCM_PDR2_SSI_M_U (1 << 6) +#define MXC_CCM_PDR2_SSI1_PODF_OFFSET 0 +#define MXC_CCM_PDR2_SSI1_PODF_MASK (0x3F) + +#define MXC_CCM_PDR3_SPDIF_PRDF_OFFSET 29 +#define MXC_CCM_PDR3_SPDIF_PRDF_MASK (0x7 << 29) +#define MXC_CCM_PDR3_SPDIF_PODF_OFFSET 23 +#define MXC_CCM_PDR3_SPDIF_PODF_MASK (0x3F << 23) +#define MXC_CCM_PDR3_SPDIF_M_U (1 << 22) +#define MXC_CCM_PDR3_ESDHC3_PRDF_OFFSET 19 +#define MXC_CCM_PDR3_ESDHC3_PRDF_MASK (0x7 << 19) +#define MXC_CCM_PDR3_ESDHC3_PODF_OFFSET 16 +#define MXC_CCM_PDR3_ESDHC3_PODF_MASK (0x7 << 16) +#define MXC_CCM_PDR3_UART_M_U (1 << 15) +#define MXC_CCM_PDR3_ESDHC2_PRDF_OFFSET 11 +#define MXC_CCM_PDR3_ESDHC2_PRDF_MASK (0x7 << 11) +#define MXC_CCM_PDR3_ESDHC2_PODF_OFFSET 8 +#define MXC_CCM_PDR3_ESDHC2_PODF_MASK (0x7 << 8) +#define MXC_CCM_PDR3_ESDHC_M_U (1 << 6) +#define MXC_CCM_PDR3_ESDHC1_PRDF_OFFSET 3 +#define MXC_CCM_PDR3_ESDHC1_PRDF_MASK (0x7 << 3) +#define MXC_CCM_PDR3_ESDHC1_PODF_OFFSET 0 +#define MXC_CCM_PDR3_ESDHC1_PODF_MASK (0x7) + +#define MXC_CCM_PDR4_NFC_PODF_OFFSET 28 +#define MXC_CCM_PDR4_NFC_PODF_MASK (0xF << 28) +#define MXC_CCM_PDR4_USB_PRDF_OFFSET 25 +#define MXC_CCM_PDR4_USB_PRDF_MASK (0x7 << 25) +#define MXC_CCM_PDR4_USB_PODF_OFFSET 22 +#define MXC_CCM_PDR4_USB_PODF_MASK (0x7 << 22) +#define MXC_CCM_PDR4_PER0_PRDF_OFFSET 19 +#define MXC_CCM_PDR4_PER0_PRDF_MASK (0x7 << 19) +#define MXC_CCM_PDR4_PER0_PODF_OFFSET 16 +#define MXC_CCM_PDR4_PER0_PODF_MASK (0x7 << 16) +#define MXC_CCM_PDR4_UART_PRDF_OFFSET 13 +#define MXC_CCM_PDR4_UART_PRDF_MASK (0x7 << 13) +#define MXC_CCM_PDR4_UART_PODF_OFFSET 10 +#define MXC_CCM_PDR4_UART_PODF_MASK (0x7 << 10) +#define MXC_CCM_PDR4_USB_M_U (1 << 9) + +/* Bit definitions for RCSR */ +#define MXC_CCM_RCSR_BUS_WIDTH (1 << 29) +#define MXC_CCM_RCSR_BUS_16BIT (1 << 29) +#define MXC_CCM_RCSR_PAGE_SIZE (3 << 27) +#define MXC_CCM_RCSR_PAGE_512 (0 << 27) +#define MXC_CCM_RCSR_PAGE_2K (1 << 27) +#define MXC_CCM_RCSR_PAGE_4K1 (2 << 27) +#define MXC_CCM_RCSR_PAGE_4K2 (3 << 27) +#define MXC_CCM_RCSR_SOFT_RESET (1 << 15) +#define MXC_CCM_RCSR_NF16B (1 << 14) +#define MXC_CCM_RCSR_NFC_4K (1 << 9) +#define MXC_CCM_RCSR_NFC_FMS (1 << 8) + +/* Bit definitions for both MCU, PERIPHERAL PLL control registers */ +#define MXC_CCM_PCTL_BRM 0x80000000 +#define MXC_CCM_PCTL_PD_OFFSET 26 +#define MXC_CCM_PCTL_PD_MASK (0xF << 26) +#define MXC_CCM_PCTL_MFD_OFFSET 16 +#define MXC_CCM_PCTL_MFD_MASK (0x3FF << 16) +#define MXC_CCM_PCTL_MFI_OFFSET 10 +#define MXC_CCM_PCTL_MFI_MASK (0xF << 10) +#define MXC_CCM_PCTL_MFN_OFFSET 0 +#define MXC_CCM_PCTL_MFN_MASK 0x3FF + +/* Bit definitions for Audio clock mux register*/ +#define MXC_CCM_ACMR_ESAI_CLK_SEL_OFFSET 12 +#define MXC_CCM_ACMR_ESAI_CLK_SEL_MASK (0xF << 12) +#define MXC_CCM_ACMR_SPDIF_CLK_SEL_OFFSET 8 +#define MXC_CCM_ACMR_SPDIF_CLK_SEL_MASK (0xF << 8) +#define MXC_CCM_ACMR_SSI1_CLK_SEL_OFFSET 4 +#define MXC_CCM_ACMR_SSI1_CLK_SEL_MASK (0xF << 4) +#define MXC_CCM_ACMR_SSI2_CLK_SEL_OFFSET 0 +#define MXC_CCM_ACMR_SSI2_CLK_SEL_MASK (0xF << 0) + +/* Bit definitions for Clock gating Register*/ +#define MXC_CCM_CGR0_ASRC_OFFSET 0 +#define MXC_CCM_CGR0_ASRC_MASK (0x3 << 0) +#define MXC_CCM_CGR0_ATA_OFFSET 2 +#define MXC_CCM_CGR0_ATA_MASK (0x3 << 2) +#define MXC_CCM_CGR0_CAN1_OFFSET 6 +#define MXC_CCM_CGR0_CAN1_MASK (0x3 << 6) +#define MXC_CCM_CGR0_CAN2_OFFSET 8 +#define MXC_CCM_CGR0_CAN2_MASK (0x3 << 8) +#define MXC_CCM_CGR0_CSPI1_OFFSET 10 +#define MXC_CCM_CGR0_CSPI1_MASK (0x3 << 10) +#define MXC_CCM_CGR0_CSPI2_OFFSET 12 +#define MXC_CCM_CGR0_CSPI2_MASK (0x3 << 12) +#define MXC_CCM_CGR0_ECT_OFFSET 14 +#define MXC_CCM_CGR0_ECT_MASK (0x3 << 14) +#define MXC_CCM_CGR0_EDI0_OFFSET 16 +#define MXC_CCM_CGR0_EDI0_MASK (0x3 << 16) +#define MXC_CCM_CGR0_EMI_OFFSET 18 +#define MXC_CCM_CGR0_EMI_MASK (0x3 << 18) +#define MXC_CCM_CGR0_EPIT1_OFFSET 20 +#define MXC_CCM_CGR0_EPIT1_MASK (0x3 << 20) +#define MXC_CCM_CGR0_EPIT2_OFFSET 22 +#define MXC_CCM_CGR0_EPIT2_MASK (0x3 << 22) +#define MXC_CCM_CGR0_ESAI_OFFSET 24 +#define MXC_CCM_CGR0_ESAI_MASK (0x3 << 24) +#define MXC_CCM_CGR0_ESDHC1_OFFSET 26 +#define MXC_CCM_CGR0_ESDHC1_MASK (0x3 << 26) +#define MXC_CCM_CGR0_ESDHC2_OFFSET 28 +#define MXC_CCM_CGR0_ESDHC2_MASK (0x3 << 28) +#define MXC_CCM_CGR0_ESDHC3_OFFSET 30 +#define MXC_CCM_CGR0_ESDHC3_MASK (0x3 << 30) + +#define MXC_CCM_CGR1_FEC_OFFSET 0 +#define MXC_CCM_CGR1_FEC_MASK (0x3 << 0) +#define MXC_CCM_CGR1_GPIO1_OFFSET 2 +#define MXC_CCM_CGR1_GPIO1_MASK (0x3 << 2) +#define MXC_CCM_CGR1_GPIO2_OFFSET 4 +#define MXC_CCM_CGR1_GPIO2_MASK (0x3 << 4) +#define MXC_CCM_CGR1_GPIO3_OFFSET 6 +#define MXC_CCM_CGR1_GPIO3_MASK (0x3 << 6) +#define MXC_CCM_CGR1_GPT_OFFSET 8 +#define MXC_CCM_CGR1_GPT_MASK (0x3 << 8) +#define MXC_CCM_CGR1_I2C1_OFFSET 10 +#define MXC_CCM_CGR1_I2C1_MASK (0x3 << 10) +#define MXC_CCM_CGR1_I2C2_OFFSET 12 +#define MXC_CCM_CGR1_I2C2_MASK (0x3 << 12) +#define MXC_CCM_CGR1_I2C3_OFFSET 14 +#define MXC_CCM_CGR1_I2C3_MASK (0x3 << 14) +#define MXC_CCM_CGR1_IOMUXC_OFFSET 16 +#define MXC_CCM_CGR1_IOMUXC_MASK (0x3 << 16) +#define MXC_CCM_CGR1_IPU_OFFSET 18 +#define MXC_CCM_CGR1_IPU_MASK (0x3 << 18) +#define MXC_CCM_CGR1_KPP_OFFSET 20 +#define MXC_CCM_CGR1_KPP_MASK (0x3 << 20) +#define MXC_CCM_CGR1_MLB_OFFSET 22 +#define MXC_CCM_CGR1_MLB_MASK (0x3 << 22) +#define MXC_CCM_CGR1_MSHC_OFFSET 24 +#define MXC_CCM_CGR1_MSHC_MASK (0x3 << 24) +#define MXC_CCM_CGR1_OWIRE_OFFSET 26 +#define MXC_CCM_CGR1_OWIRE_MASK (0x3 << 26) +#define MXC_CCM_CGR1_PWM_OFFSET 28 +#define MXC_CCM_CGR1_PWM_MASK (0x3 << 28) +#define MXC_CCM_CGR1_RNGC_OFFSET 30 +#define MXC_CCM_CGR1_RNGC_MASK (0x3 << 30) + +#define MXC_CCM_CGR2_RTC_OFFSET 0 +#define MXC_CCM_CGR2_RTC_MASK (0x3 << 0) +#define MXC_CCM_CGR2_RTIC_OFFSET 2 +#define MXC_CCM_CGR2_RTIC_MASK (0x3 << 2) +#define MXC_CCM_CGR2_SCC_OFFSET 4 +#define MXC_CCM_CGR2_SCC_MASK (0x3 << 4) +#define MXC_CCM_CGR2_SDMA_OFFSET 6 +#define MXC_CCM_CGR2_SDMA_MASK (0x3 << 6) +#define MXC_CCM_CGR2_SPBA_OFFSET 8 +#define MXC_CCM_CGR2_SPBA_MASK (0x3 << 8) +#define MXC_CCM_CGR2_SPDIF_OFFSET 10 +#define MXC_CCM_CGR2_SPDIF_MASK (0x3 << 10) +#define MXC_CCM_CGR2_SSI1_OFFSET 12 +#define MXC_CCM_CGR2_SSI1_MASK (0x3 << 12) +#define MXC_CCM_CGR2_SSI2_OFFSET 14 +#define MXC_CCM_CGR2_SSI2_MASK (0x3 << 14) +#define MXC_CCM_CGR2_UART1_OFFSET 16 +#define MXC_CCM_CGR2_UART1_MASK (0x3 << 16) +#define MXC_CCM_CGR2_UART2_OFFSET 18 +#define MXC_CCM_CGR2_UART2_MASK (0x3 << 18) +#define MXC_CCM_CGR2_UART3_OFFSET 20 +#define MXC_CCM_CGR2_UART3_MASK (0x3 << 20) +#define MXC_CCM_CGR2_USBOTG_OFFSET 22 +#define MXC_CCM_CGR2_USBOTG_MASK (0x3 << 22) +#define MXC_CCM_CGR2_WDOG_OFFSET 24 +#define MXC_CCM_CGR2_WDOG_MASK (0x3 << 24) +#define MXC_CCM_CGR2_MAX_OFFSET 26 +#define MXC_CCM_CGR2_MAX_MASK (0x3 << 26) +#define MXC_CCM_CGR2_MAX_ENABLE (0x2 << 26) +#define MXC_CCM_CGR2_AUDMUX_OFFSET 30 +#define MXC_CCM_CGR2_AUDMUX_MASK (0x3 << 30) + +#define MXC_CCM_CGR3_CSI_OFFSET 0 +#define MXC_CCM_CGR3_CSI_MASK (0x3 << 0) +#define MXC_CCM_CGR3_IIM_OFFSET 2 +#define MXC_CCM_CGR3_IIM_MASK (0x3 << 2) +#define MXC_CCM_CGR3_GPU2D_OFFSET 4 +#define MXC_CCM_CGR3_GPU2D_MASK (0x3 << 4) + +#define MXC_CCM_COSR_CLKOSEL_MASK 0x1F +#define MXC_CCM_COSR_CLKOSEL_OFFSET 0 +#define MXC_CCM_COSR_CLKOEN (1 << 5) +#define MXC_CCM_COSR_CLKOUTDIV_1 (1 << 6) +#define MXC_CCM_COSR_CLKOUT_PREDIV_MASK (0x7 << 10) +#define MXC_CCM_COSR_CLKOUT_PREDIV_OFFSET 10 +#define MXC_CCM_COSR_CLKOUT_PRODIV_MASK (0x7 << 13) +#define MXC_CCM_COSR_CLKOUT_PRODIV_OFFSET 13 +#define MXC_CCM_COSR_SSI1_RX_SRC_SEL_MASK (0x3 << 16) +#define MXC_CCM_COSR_SSI1_RX_SRC_SEL_OFFSET 16 +#define MXC_CCM_COSR_SSI1_TX_SRC_SEL_MASK (0x3 << 18) +#define MXC_CCM_COSR_SSI1_TX_SRC_SEL_OFFSET 18 +#define MXC_CCM_COSR_SSI2_RX_SRC_SEL_MASK (0x3 << 20) +#define MXC_CCM_COSR_SSI2_RX_SRC_SEL_OFFSET 20 +#define MXC_CCM_COSR_SSI2_TX_SRC_SEL_MASK (0x3 << 22) +#define MXC_CCM_COSR_SSI2_TX_SRC_SEL_OFFSET 22 +#define MXC_CCM_COSR_ASRC_AUDIO_EN (1 << 24) +#define MXC_CCM_COSR_ASRC_AUDIO_PODF_MASK (0x3F << 26) +#define MXC_CCM_COSR_ASRC_AUDIO_PODF_OFFSET 26 + +#endif diff --git a/arch/arm/include/asm/arch-mx35/imx-regs.h b/arch/arm/include/asm/arch-mx35/imx-regs.h new file mode 100644 index 0000000..f382960 --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/imx-regs.h @@ -0,0 +1,367 @@ +/* + * + * (c) 2007 Pengutronix, Sascha Hauer s.hauer@pengutronix.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 + */ + +#ifndef __ASM_ARCH_MX35_H +#define __ASM_ARCH_MX35_H + +#define __REG(x) (*((volatile u32 *)(x))) +#define __REG16(x) (*((volatile u16 *)(x))) +#define __REG8(x) (*((volatile u8 *)(x))) + +#define L2CC_BASE_ADDR 0x30000000 + +/* + * IRAM + */ +#define IRAM_BASE_ADDR 0x10000000 /* internal ram */ +#define IRAM_SIZE 0x00020000 /* 128 KB */ + +/* + * AIPS 1 + */ +#define AIPS1_BASE_ADDR 0x43F00000 +#define AIPS1_CTRL_BASE_ADDR AIPS1_BASE_ADDR +#define MAX_BASE_ADDR 0x43F04000 +#define EVTMON_BASE_ADDR 0x43F08000 +#define CLKCTL_BASE_ADDR 0x43F0C000 +#define I2C_BASE_ADDR 0x43F80000 +#define I2C3_BASE_ADDR 0x43F84000 +#define ATA_BASE_ADDR 0x43F8C000 +#define UART1_BASE_ADDR 0x43F90000 +#define UART2_BASE_ADDR 0x43F94000 +#define I2C2_BASE_ADDR 0x43F98000 +#define CSPI1_BASE_ADDR 0x43FA4000 +#define IOMUXC_BASE_ADDR 0x43FAC000 + +/* + * SPBA + */ +#define SPBA_BASE_ADDR 0x50000000 +#define UART3_BASE_ADDR 0x5000C000 +#define CSPI2_BASE_ADDR 0x50010000 +#define ATA_DMA_BASE_ADDR 0x50020000 +#define FEC_BASE_ADDR 0x50038000 +#define SPBA_CTRL_BASE_ADDR 0x5003C000 + +/* + * AIPS 2 + */ +#define AIPS2_BASE_ADDR 0x53F00000 +#define AIPS2_CTRL_BASE_ADDR AIPS2_BASE_ADDR +#define CCM_BASE_ADDR 0x53F80000 +#define GPT1_BASE_ADDR 0x53F90000 +#define EPIT1_BASE_ADDR 0x53F94000 +#define EPIT2_BASE_ADDR 0x53F98000 +#define GPIO3_BASE_ADDR 0x53FA4000 +#define MMC_SDHC1_BASE_ADDR 0x53FB4000 +#define MMC_SDHC2_BASE_ADDR 0x53FB8000 +#define MMC_SDHC3_BASE_ADDR 0x53FBC000 +#define IPU_CTRL_BASE_ADDR 0x53FC0000 +#define GPIO3_BASE_ADDR 0x53FA4000 +#define GPIO1_BASE_ADDR 0x53FCC000 +#define GPIO2_BASE_ADDR 0x53FD0000 +#define SDMA_BASE_ADDR 0x53FD4000 +#define RTC_BASE_ADDR 0x53FD8000 +#define WDOG_BASE_ADDR 0x53FDC000 +#define PWM_BASE_ADDR 0x53FE0000 +#define RTIC_BASE_ADDR 0x53FEC000 +#define IIM_BASE_ADDR 0x53FF0000 + +#define IMX_CCM_BASE CCM_BASE_ADDR + +/* + * ROMPATCH and AVIC + */ +#define ROMPATCH_BASE_ADDR 0x60000000 +#define AVIC_BASE_ADDR 0x68000000 + +/* + * NAND, SDRAM, WEIM, M3IF, EMI controllers + */ +#define EXT_MEM_CTRL_BASE 0xB8000000 +#define ESDCTL_BASE_ADDR 0xB8001000 +#define WEIM_BASE_ADDR 0xB8002000 +#define WEIM_CTRL_CS0 WEIM_BASE_ADDR +#define WEIM_CTRL_CS1 (WEIM_BASE_ADDR + 0x10) +#define WEIM_CTRL_CS2 (WEIM_BASE_ADDR + 0x20) +#define WEIM_CTRL_CS3 (WEIM_BASE_ADDR + 0x30) +#define WEIM_CTRL_CS4 (WEIM_BASE_ADDR + 0x40) +#define WEIM_CTRL_CS5 (WEIM_BASE_ADDR + 0x50) +#define M3IF_BASE_ADDR 0xB8003000 +#define EMI_BASE_ADDR 0xB8004000 + +#define NFC_BASE_ADDR 0xBB000000 + +/* + * Memory regions and CS + */ +#define IPU_MEM_BASE_ADDR 0x70000000 +#define CSD0_BASE_ADDR 0x80000000 +#define CSD1_BASE_ADDR 0x90000000 +#define CS0_BASE_ADDR 0xA0000000 +#define CS1_BASE_ADDR 0xA8000000 +#define CS2_BASE_ADDR 0xB0000000 +#define CS3_BASE_ADDR 0xB2000000 +#define CS4_BASE_ADDR 0xB4000000 +#define CS5_BASE_ADDR 0xB6000000 + +/* + * IRQ Controller Register Definitions. + */ +#define AVIC_NIMASK 0x04 +#define AVIC_INTTYPEH 0x18 +#define AVIC_INTTYPEL 0x1C + +/* L210 */ +#define L2CC_BASE_ADDR 0x30000000 +#define L2_CACHE_LINE_SIZE 32 +#define L2_CACHE_CTL_REG 0x100 +#define L2_CACHE_AUX_CTL_REG 0x104 +#define L2_CACHE_SYNC_REG 0x730 +#define L2_CACHE_INV_LINE_REG 0x770 +#define L2_CACHE_INV_WAY_REG 0x77C +#define L2_CACHE_CLEAN_LINE_REG 0x7B0 +#define L2_CACHE_CLEAN_INV_LINE_REG 0x7F0 +#define L2_CACHE_DBG_CTL_REG 0xF40 + +/* CCM */ +#define CLKCTL_CCMR 0x00 +#define CLKCTL_PDR0 0x04 +#define CLKCTL_PDR1 0x08 +#define CLKCTL_PDR2 0x0C +#define CLKCTL_PDR3 0x10 +#define CLKCTL_PDR4 0x14 +#define CLKCTL_RCSR 0x18 +#define CLKCTL_MPCTL 0x1C +#define CLKCTL_PPCTL 0x20 +#define CLKCTL_ACMR 0x24 +#define CLKCTL_COSR 0x28 +#define CLKCTL_CGR0 0x2C +#define CLKCTL_CGR1 0x30 +#define CLKCTL_CGR2 0x34 +#define CLKCTL_CGR3 0x38 + +#define CLKMODE_AUTO 0 +#define CLKMODE_CONSUMER 1 + +#define PLL_PD(x) (((x) & 0xf) << 26) +#define PLL_MFD(x) (((x) & 0x3ff) << 16) +#define PLL_MFI(x) (((x) & 0xf) << 10) +#define PLL_MFN(x) (((x) & 0x3ff) << 0) + +#define CSCR_U(x) (WEIM_CTRL_CS#x + 0) +#define CSCR_L(x) (WEIM_CTRL_CS#x + 4) +#define CSCR_A(x) (WEIM_CTRL_CS#x + 8) + +#define IIM_SREV 0x24 +#define ROMPATCH_REV 0x40 + +#define IPU_CONF IPU_CTRL_BASE_ADDR + +#define IPU_CONF_PXL_ENDIAN (1<<8) +#define IPU_CONF_DU_EN (1<<7) +#define IPU_CONF_DI_EN (1<<6) +#define IPU_CONF_ADC_EN (1<<5) +#define IPU_CONF_SDC_EN (1<<4) +#define IPU_CONF_PF_EN (1<<3) +#define IPU_CONF_ROT_EN (1<<2) +#define IPU_CONF_IC_EN (1<<1) +#define IPU_CONF_SCI_EN (1<<0) + +#define GPIO_PORT_NUM 3 +#define GPIO_NUM_PIN 32 + +#define NFC_BUF_SIZE 0x1000 +#define NFC_BUFSIZE_REG_OFF (0 + 0x00) +#define RAM_BUFFER_ADDRESS_REG_OFF (0 + 0x04) +#define NAND_FLASH_ADD_REG_OFF (0 + 0x06) +#define NAND_FLASH_CMD_REG_OFF (0 + 0x08) +#define NFC_CONFIGURATION_REG_OFF (0 + 0x0A) +#define ECC_STATUS_RESULT_REG_OFF (0 + 0x0C) +#define ECC_RSLT_MAIN_AREA_REG_OFF (0 + 0x0E) +#define ECC_RSLT_SPARE_AREA_REG_OFF (0 + 0x10) +#define NF_WR_PROT_REG_OFF (0 + 0x12) +#define NAND_FLASH_WR_PR_ST_REG_OFF (0 + 0x18) +#define NAND_FLASH_CONFIG1_REG_OFF (0 + 0x1A) +#define NAND_FLASH_CONFIG2_REG_OFF (0 + 0x1C) +#define UNLOCK_START_BLK_ADD_REG_OFF (0 + 0x20) +#define UNLOCK_END_BLK_ADD_REG_OFF (0 + 0x22) +#define RAM_BUFFER_ADDRESS_RBA_3 0x3 +#define NFC_BUFSIZE_1KB 0x0 +#define NFC_BUFSIZE_2KB 0x1 +#define NFC_CONFIGURATION_UNLOCKED 0x2 +#define ECC_STATUS_RESULT_NO_ERR 0x0 +#define ECC_STATUS_RESULT_1BIT_ERR 0x1 +#define ECC_STATUS_RESULT_2BIT_ERR 0x2 +#define NF_WR_PROT_UNLOCK 0x4 +#define NAND_FLASH_CONFIG1_FORCE_CE (1 << 7) +#define NAND_FLASH_CONFIG1_RST (1 << 6) +#define NAND_FLASH_CONFIG1_BIG (1 << 5) +#define NAND_FLASH_CONFIG1_INT_MSK (1 << 4) +#define NAND_FLASH_CONFIG1_ECC_EN (1 << 3) +#define NAND_FLASH_CONFIG1_SP_EN (1 << 2) +#define NAND_FLASH_CONFIG2_INT_DONE (1 << 15) +#define NAND_FLASH_CONFIG2_FDO_PAGE (0 << 3) +#define NAND_FLASH_CONFIG2_FDO_ID (2 << 3) +#define NAND_FLASH_CONFIG2_FDO_STATUS (4 << 3) +#define NAND_FLASH_CONFIG2_FDI_EN (1 << 2) +#define NAND_FLASH_CONFIG2_FADD_EN (1 << 1) +#define NAND_FLASH_CONFIG2_FCMD_EN (1 << 0) +#define FDO_PAGE_SPARE_VAL 0x8 +#define NAND_BUF_NUM 8 + +#define CHIP_REV_1_0 0x10 +#define CHIP_REV_2_0 0x20 + +#define BOARD_REV_1_0 0x0 +#define BOARD_REV_2_0 0x1 + +#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) +#include <asm/types.h> + +enum plls { + MCU_PLL = CCM_BASE_ADDR + CLKCTL_MPCTL, + PER_PLL = CCM_BASE_ADDR + CLKCTL_PPCTL, +}; + +enum mxc_main_clocks { + CPU_CLK, + AHB_CLK, + IPG_CLK, + IPG_PER_CLK, + NFC_CLK, + USB_CLK, + HSP_CLK, +}; + +enum mxc_peri_clocks { + UART1_BAUD, + UART2_BAUD, + UART3_BAUD, + SSI1_BAUD, + SSI2_BAUD, + CSI_BAUD, + MSHC_CLK, + ESDHC1_CLK, + ESDHC2_CLK, + ESDHC3_CLK, + SPDIF_CLK, + SPI1_CLK, + SPI2_CLK, +}; + +/* Clock Control Module (CCM) registers */ +struct ccm_regs { + u32 ccmr; /* Control */ + u32 pdr0; /* Post divider 0 */ + u32 pdr1; /* Post divider 1 */ + u32 pdr2; /* Post divider 2 */ + u32 pdr3; /* Post divider 3 */ + u32 pdr4; /* Post divider 4 */ + u32 rcsr; /* CCM Status */ + u32 mpctl; /* Core PLL Control */ + u32 ppctl; /* Peripheral PLL Control */ + u32 acmr; /* Audio clock mux */ + u32 cosr; /* Clock out source */ + u32 cgr0; /* Clock Gating Control 0 */ + u32 cgr1; /* Clock Gating Control 1 */ + u32 cgr2; /* Clock Gating Control 2 */ + u32 cgr3; /* Clock Gating Control 3 */ + u32 reserved; + u32 dcvr0; /* DPTC Comparator 0 */ + u32 dcvr1; /* DPTC Comparator 0 */ + u32 dcvr2; /* DPTC Comparator 0 */ + u32 dcvr3; /* DPTC Comparator 0 */ + u32 ltr0; /* Load Tracking 0 */ + u32 ltr1; /* Load Tracking 1 */ + u32 ltr2; /* Load Tracking 2 */ + u32 ltr3; /* Load Tracking 3 */ + u32 ltbr0; /* Load Tracking Buffer 0 */ +}; + +/* IIM control registers */ +struct iim_regs { + u32 iim_stat; + u32 iim_statm; + u32 iim_err; + u32 iim_emask; + u32 iim_fctl; + u32 iim_ua; + u32 iim_la; + u32 iim_sdat; + u32 iim_prev; + u32 iim_srev; + u32 iim_prog_p; + u32 iim_scs0; + u32 iim_scs1; + u32 iim_scs2; + u32 iim_scs3; +}; + +/* General Purpose Timer (GPT) registers */ +struct gpt_regs { + u32 ctrl; /* control */ + u32 pre; /* prescaler */ + u32 stat; /* status */ + u32 intr; /* interrupt */ + u32 cmp[3]; /* output compare 1-3 */ + u32 capt[2]; /* input capture 1-2 */ + u32 counter; /* counter */ +}; + +/* Watchdog Timer (WDOG) registers */ +struct wdog_regs { + u16 wcr; /* Control */ + u16 wsr; /* Service */ + u16 wrsr; /* Reset Status */ + u16 wicr; /* Interrupt Control */ + u16 wmcr; /* Misc Control */ +}; + +/*! + * NFMS bit in RCSR register for pagesize of nandflash + */ +#define NFMS (*((volatile u32 *)(CCM_BASE_ADDR + 0x18))) +#define NFMS_BIT 8 +#define NFMS_NF_DWIDTH 14 +#define NFMS_NF_PG_SZ 8 + +#define CCM_RCSR_NF_16BIT_SEL (1 << 14) + +#if 0 +extern unsigned int mxc_get_clock(enum mxc_clock clk); +#endif +extern unsigned int get_board_rev(void); +extern int is_soc_rev(int rev); +extern int sdhc_init(void); + +#define fixup_before_linux \ + { \ + volatile unsigned long *l2cc_ctl = (unsigned long *)0x30000100;\ + if (is_soc_rev(CHIP_REV_2_0) < 0) \ + *l2cc_ctl = 1;\ + } +#endif +#endif /* __ASM_ARCH_MX35_H */ diff --git a/arch/arm/include/asm/arch-mx35/iomux.h b/arch/arm/include/asm/arch-mx35/iomux.h new file mode 100644 index 0000000..86bf607 --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/iomux.h @@ -0,0 +1,290 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __MACH_MX35_IOMUX_H__ +#define __MACH_MX35_IOMUX_H__ + +#include <asm/arch/imx-regs.h> + +/*! + * @file mach-mx35/iomux.h + * + * @brief I/O Muxing control definitions and functions + * + * @ingroup GPIO_MX35 + */ + +/*! + * various IOMUX functions + */ +typedef enum iomux_pin_config { + MUX_CONFIG_FUNC = 0, /*!< used as function */ + MUX_CONFIG_ALT1, /*!< used as alternate function 1 */ + MUX_CONFIG_ALT2, /*!< used as alternate function 2 */ + MUX_CONFIG_ALT3, /*!< used as alternate function 3 */ + MUX_CONFIG_ALT4, /*!< used as alternate function 4 */ + MUX_CONFIG_ALT5, /*!< used as alternate function 5 */ + MUX_CONFIG_ALT6, /*!< used as alternate function 6 */ + MUX_CONFIG_ALT7, /*!< used as alternate function 7 */ + MUX_CONFIG_SION = 0x1 << 4, /*!< used as LOOPBACK:MUX SION bit */ + MUX_CONFIG_GPIO = MUX_CONFIG_ALT5, /*!< used as GPIO */ +} iomux_pin_cfg_t; + +/*! + * various IOMUX pad functions + */ +typedef enum iomux_pad_config { + PAD_CTL_DRV_3_3V = 0x0 << 13, + PAD_CTL_DRV_1_8V = 0x1 << 13, + PAD_CTL_HYS_CMOS = 0x0 << 8, + PAD_CTL_HYS_SCHMITZ = 0x1 << 8, + PAD_CTL_PKE_NONE = 0x0 << 7, + PAD_CTL_PKE_ENABLE = 0x1 << 7, + PAD_CTL_PUE_KEEPER = 0x0 << 6, + PAD_CTL_PUE_PUD = 0x1 << 6, + PAD_CTL_100K_PD = 0x0 << 4, + PAD_CTL_47K_PU = 0x1 << 4, + PAD_CTL_100K_PU = 0x2 << 4, + PAD_CTL_22K_PU = 0x3 << 4, + PAD_CTL_ODE_CMOS = 0x0 << 3, + PAD_CTL_ODE_OpenDrain = 0x1 << 3, + PAD_CTL_DRV_NORMAL = 0x0 << 1, + PAD_CTL_DRV_HIGH = 0x1 << 1, + PAD_CTL_DRV_MAX = 0x2 << 1, + PAD_CTL_SRE_SLOW = 0x0 << 0, + PAD_CTL_SRE_FAST = 0x1 << 0 +} iomux_pad_config_t; + +/*! + * various IOMUX general purpose functions + */ +typedef enum iomux_gp_func { + MUX_SDCTL_CSD0_SEL = 0x1 << 0, + MUX_SDCTL_CSD1_SEL = 0x1 << 1, + MUX_TAMPER_DETECT_EN = 0x1 << 2, +} iomux_gp_func_t; + +/*! + * various IOMUX input select register index + */ +typedef enum iomux_input_select { + MUX_IN_AMX_P5_RXCLK = 0, + MUX_IN_AMX_P5_RXFS, + MUX_IN_AMX_P6_DA, + MUX_IN_AMX_P6_DB, + MUX_IN_AMX_P6_RXCLK, + MUX_IN_AMX_P6_RXFS, + MUX_IN_AMX_P6_TXCLK, + MUX_IN_AMX_P6_TXFS, + MUX_IN_CAN1_CANRX, + MUX_IN_CAN2_CANRX, + MUX_IN_CCM_32K_MUXED, + MUX_IN_CCM_PMIC_RDY, + MUX_IN_CSPI1_SS2_B, + MUX_IN_CSPI1_SS3_B, + MUX_IN_CSPI2_CLK_IN, + MUX_IN_CSPI2_DATAREADY_B, + MUX_IN_CSPI2_MISO, + MUX_IN_CSPI2_MOSI, + MUX_IN_CSPI2_SS0_B, + MUX_IN_CSPI2_SS1_B, + MUX_IN_CSPI2_SS2_B, + MUX_IN_CSPI2_SS3_B, + MUX_IN_EMI_WEIM_DTACK_B, + MUX_IN_ESDHC1_DAT4_IN, + MUX_IN_ESDHC1_DAT5_IN, + MUX_IN_ESDHC1_DAT6_IN, + MUX_IN_ESDHC1_DAT7_IN, + MUX_IN_ESDHC3_CARD_CLK_IN, + MUX_IN_ESDHC3_CMD_IN, + MUX_IN_ESDHC3_DAT0, + MUX_IN_ESDHC3_DAT1, + MUX_IN_ESDHC3_DAT2, + MUX_IN_ESDHC3_DAT3, + MUX_IN_GPIO1_IN_0, + MUX_IN_GPIO1_IN_10, + MUX_IN_GPIO1_IN_11, + MUX_IN_GPIO1_IN_1, + MUX_IN_GPIO1_IN_20, + MUX_IN_GPIO1_IN_21, + MUX_IN_GPIO1_IN_22, + MUX_IN_GPIO1_IN_2, + MUX_IN_GPIO1_IN_3, + MUX_IN_GPIO1_IN_4, + MUX_IN_GPIO1_IN_5, + MUX_IN_GPIO1_IN_6, + MUX_IN_GPIO1_IN_7, + MUX_IN_GPIO1_IN_8, + MUX_IN_GPIO1_IN_9, + MUX_IN_GPIO2_IN_0, + MUX_IN_GPIO2_IN_10, + MUX_IN_GPIO2_IN_11, + MUX_IN_GPIO2_IN_12, + MUX_IN_GPIO2_IN_13, + MUX_IN_GPIO2_IN_14, + MUX_IN_GPIO2_IN_15, + MUX_IN_GPIO2_IN_16, + MUX_IN_GPIO2_IN_17, + MUX_IN_GPIO2_IN_18, + MUX_IN_GPIO2_IN_19, + MUX_IN_GPIO2_IN_20, + MUX_IN_GPIO2_IN_21, + MUX_IN_GPIO2_IN_22, + MUX_IN_GPIO2_IN_23, + MUX_IN_GPIO2_IN_24, + MUX_IN_GPIO2_IN_25, + MUX_IN_GPIO2_IN_26, + MUX_IN_GPIO2_IN_27, + MUX_IN_GPIO2_IN_28, + MUX_IN_GPIO2_IN_29, + MUX_IN_GPIO2_IN_2, + MUX_IN_GPIO2_IN_30, + MUX_IN_GPIO2_IN_31, + MUX_IN_GPIO2_IN_3, + MUX_IN_GPIO2_IN_4, + MUX_IN_GPIO2_IN_5, + MUX_IN_GPIO2_IN_6, + MUX_IN_GPIO2_IN_7, + MUX_IN_GPIO2_IN_8, + MUX_IN_GPIO2_IN_9, + MUX_IN_GPIO3_IN_0, + MUX_IN_GPIO3_IN_10, + MUX_IN_GPIO3_IN_11, + MUX_IN_GPIO3_IN_12, + MUX_IN_GPIO3_IN_13, + MUX_IN_GPIO3_IN_14, + MUX_IN_GPIO3_IN_15, + MUX_IN_GPIO3_IN_4, + MUX_IN_GPIO3_IN_5, + MUX_IN_GPIO3_IN_6, + MUX_IN_GPIO3_IN_7, + MUX_IN_GPIO3_IN_8, + MUX_IN_GPIO3_IN_9, + MUX_IN_I2C3_SCL_IN, + MUX_IN_I2C3_SDA_IN, + MUX_IN_IPU_DISPB_D0_VSYNC, + MUX_IN_IPU_DISPB_D12_VSYNC, + MUX_IN_IPU_DISPB_SD_D, + MUX_IN_IPU_SENSB_DATA_0, + MUX_IN_IPU_SENSB_DATA_1, + MUX_IN_IPU_SENSB_DATA_2, + MUX_IN_IPU_SENSB_DATA_3, + MUX_IN_IPU_SENSB_DATA_4, + MUX_IN_IPU_SENSB_DATA_5, + MUX_IN_IPU_SENSB_DATA_6, + MUX_IN_IPU_SENSB_DATA_7, + MUX_IN_KPP_COL_0, + MUX_IN_KPP_COL_1, + MUX_IN_KPP_COL_2, + MUX_IN_KPP_COL_3, + MUX_IN_KPP_COL_4, + MUX_IN_KPP_COL_5, + MUX_IN_KPP_COL_6, + MUX_IN_KPP_COL_7, + MUX_IN_KPP_ROW_0, + MUX_IN_KPP_ROW_1, + MUX_IN_KPP_ROW_2, + MUX_IN_KPP_ROW_3, + MUX_IN_KPP_ROW_4, + MUX_IN_KPP_ROW_5, + MUX_IN_KPP_ROW_6, + MUX_IN_KPP_ROW_7, + MUX_IN_OWIRE_BATTERY_LINE, + MUX_IN_SPDIF_HCKT_CLK2, + MUX_IN_SPDIF_SPDIF_IN1, + MUX_IN_UART3_UART_RTS_B, + MUX_IN_UART3_UART_RXD_MUX, + MUX_IN_USB_OTG_DATA_0, + MUX_IN_USB_OTG_DATA_1, + MUX_IN_USB_OTG_DATA_2, + MUX_IN_USB_OTG_DATA_3, + MUX_IN_USB_OTG_DATA_4, + MUX_IN_USB_OTG_DATA_5, + MUX_IN_USB_OTG_DATA_6, + MUX_IN_USB_OTG_DATA_7, + MUX_IN_USB_OTG_DIR, + MUX_IN_USB_OTG_NXT, + MUX_IN_USB_UH2_DATA_0, + MUX_IN_USB_UH2_DATA_1, + MUX_IN_USB_UH2_DATA_2, + MUX_IN_USB_UH2_DATA_3, + MUX_IN_USB_UH2_DATA_4, + MUX_IN_USB_UH2_DATA_5, + MUX_IN_USB_UH2_DATA_6, + MUX_IN_USB_UH2_DATA_7, + MUX_IN_USB_UH2_DIR, + MUX_IN_USB_UH2_NXT, + MUX_IN_USB_UH2_USB_OC, +} iomux_input_select_t; + +/*! + * various IOMUX input functions + */ +typedef enum iomux_input_config { + INPUT_CTL_PATH0 = 0x0, + INPUT_CTL_PATH1, + INPUT_CTL_PATH2, + INPUT_CTL_PATH3, + INPUT_CTL_PATH4, + INPUT_CTL_PATH5, + INPUT_CTL_PATH6, + INPUT_CTL_PATH7, +} iomux_input_cfg_t; + +/*! + * 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 \b iomux_pin_name_t + * @param cfg an input function as defined in \b #iomux_pin_cfg_t + * + * @return 0 if successful; Non-zero otherwise + */ +int mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg); + +/*! + * Release ownership for an IO pin + * + * @param pin a name defined by \b iomux_pin_name_t + * @param cfg an input function as defined in \b #iomux_pin_cfg_t + */ +void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg); + +/*! + * This function enables/disables the general purpose function for a particular + * signal. + * + * @param gp one signal as defined in \b #iomux_gp_func_t + * @param en \b #true to enable; \b #false to disable + */ +void mxc_iomux_set_gpr(iomux_gp_func_t gp, int en); + +/*! + * This function configures the pad value for a IOMUX pin. + * + * @param pin a pin number as defined in \b #iomux_pin_name_t + * @param config the ORed value of elements defined in \b + * #iomux_pad_config_t + */ +void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config); + +/*! + * This function configures input path. + * + * @param input index of input select register as defined in \b + * #iomux_input_select_t + * @param config the binary value of elements defined in \b + * #iomux_input_cfg_t + */ +void mxc_iomux_set_input(iomux_input_select_t input, u32 config); +#endif diff --git a/arch/arm/include/asm/arch-mx35/mmu.h b/arch/arm/include/asm/arch-mx35/mmu.h new file mode 100644 index 0000000..1b15dba --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/mmu.h @@ -0,0 +1,172 @@ +/* + * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#ifndef __ARM_ARCH_MMU_H +#define __ARM_ARCH_MMU_H + +/* + * Translation Table Base Bit Masks + */ +#define ARM_TRANSLATION_TABLE_MASK 0xFFFFC000 + +/* + * Domain Access Control Bit Masks + */ +#define ARM_ACCESS_TYPE_NO_ACCESS(domain_num) (0x0 << (domain_num)*2) +#define ARM_ACCESS_TYPE_CLIENT(domain_num) (0x1 << (domain_num)*2) +#define ARM_ACCESS_TYPE_MANAGER(domain_num) (0x3 << (domain_num)*2) + +struct ARM_MMU_FIRST_LEVEL_FAULT { + unsigned int id:2; + unsigned int sbz:30; +}; + +#define ARM_MMU_FIRST_LEVEL_FAULT_ID 0x0 + +struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE { + unsigned int id:2; + unsigned int imp:2; + unsigned int domain:4; + unsigned int sbz:1; + unsigned int base_address:23; +}; + +#define ARM_MMU_FIRST_LEVEL_PAGE_TABLE_ID 0x1 + +struct ARM_MMU_FIRST_LEVEL_SECTION { + unsigned int id:2; + unsigned int b:1; + unsigned int c:1; + unsigned int imp:1; + unsigned int domain:4; + unsigned int sbz0:1; + unsigned int ap:2; + unsigned int sbz1:8; + unsigned int base_address:12; +}; + +#define ARM_MMU_FIRST_LEVEL_SECTION_ID 0x2 + +struct ARM_MMU_FIRST_LEVEL_RESERVED { + unsigned int id:2; + unsigned int sbz:30; +}; + +#define ARM_MMU_FIRST_LEVEL_RESERVED_ID 0x3 + +#define ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, table_index) \ + (unsigned long *)((unsigned long)(ttb_base) + ((table_index) << 2)) + +#define ARM_FIRST_LEVEL_PAGE_TABLE_SIZE 0x4000 + +#define ARM_MMU_SECTION(ttb_base, actual_base, virtual_base, \ + cacheable, bufferable, perm) \ + { \ + register union ARM_MMU_FIRST_LEVEL_DESCRIPTOR desc; \ + desc.word = 0; \ + desc.section.id = ARM_MMU_FIRST_LEVEL_SECTION_ID; \ + desc.section.domain = 0; \ + desc.section.c = (cacheable); \ + desc.section.b = (bufferable); \ + desc.section.ap = (perm); \ + desc.section.base_address = (actual_base); \ + *ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, (virtual_base)) \ + = desc.word; \ + } + +#define X_ARM_MMU_SECTION(abase, vbase, size, cache, buff, access) \ + { \ + int i; int j = abase; int k = vbase; \ + for (i = size; i > 0 ; i--, j++, k++) \ + ARM_MMU_SECTION(ttb_base, j, k, cache, buff, access); \ + } + +union ARM_MMU_FIRST_LEVEL_DESCRIPTOR { + unsigned long word; + struct ARM_MMU_FIRST_LEVEL_FAULT fault; + struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE page_table; + struct ARM_MMU_FIRST_LEVEL_SECTION section; + struct ARM_MMU_FIRST_LEVEL_RESERVED reserved; +}; + +#define ARM_UNCACHEABLE 0 +#define ARM_CACHEABLE 1 +#define ARM_UNBUFFERABLE 0 +#define ARM_BUFFERABLE 1 + +#define ARM_ACCESS_PERM_NONE_NONE 0 +#define ARM_ACCESS_PERM_RO_NONE 0 +#define ARM_ACCESS_PERM_RO_RO 0 +#define ARM_ACCESS_PERM_RW_NONE 1 +#define ARM_ACCESS_PERM_RW_RO 2 +#define ARM_ACCESS_PERM_RW_RW 3 + +/* + * Initialization for the Domain Access Control Register + */ +#define ARM_ACCESS_DACR_DEFAULT ( \ + ARM_ACCESS_TYPE_MANAGER(0) | \ + ARM_ACCESS_TYPE_NO_ACCESS(1) | \ + ARM_ACCESS_TYPE_NO_ACCESS(2) | \ + ARM_ACCESS_TYPE_NO_ACCESS(3) | \ + ARM_ACCESS_TYPE_NO_ACCESS(4) | \ + ARM_ACCESS_TYPE_NO_ACCESS(5) | \ + ARM_ACCESS_TYPE_NO_ACCESS(6) | \ + ARM_ACCESS_TYPE_NO_ACCESS(7) | \ + ARM_ACCESS_TYPE_NO_ACCESS(8) | \ + ARM_ACCESS_TYPE_NO_ACCESS(9) | \ + ARM_ACCESS_TYPE_NO_ACCESS(10) | \ + ARM_ACCESS_TYPE_NO_ACCESS(11) | \ + ARM_ACCESS_TYPE_NO_ACCESS(12) | \ + ARM_ACCESS_TYPE_NO_ACCESS(13) | \ + ARM_ACCESS_TYPE_NO_ACCESS(14) | \ + ARM_ACCESS_TYPE_NO_ACCESS(15)) + +/* + * Translate the virtual address of ram space to physical address + * It is dependent on the implementation of mmu_init + */ +inline unsigned long iomem_to_phys(unsigned long virt) +{ + if (virt < 0x08000000) + return (unsigned long)(virt | PHYS_SDRAM_1); + + if ((virt & 0xF0000000) == PHYS_SDRAM_1) + return (unsigned long)(virt & (~0x08000000)); + + return (unsigned long)virt; +} + +/* + * Remap the physical address of ram space to uncacheable virtual address space + * It is dependent on the implementation of hal_mmu_init + */ +void __iounmap(void *addr) +{ + return; +} + +void *__ioremap(unsigned long offset, size_t size, unsigned long flags) +{ + if (1 == flags) { + /* 0x88000000~0x87FFFFFF is uncacheable meory + space which is mapped to SDRAM */ + if ((offset & 0xF0000000) == PHYS_SDRAM_1) + return (void *)(offset | 0x08000000); + else + return NULL; + } else + return (void *)offset; +} + +#endif diff --git a/arch/arm/include/asm/arch-mx35/mx35_pins.h b/arch/arm/include/asm/arch-mx35/mx35_pins.h new file mode 100644 index 0000000..be4012b --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/mx35_pins.h @@ -0,0 +1,342 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __ASM_ARCH_MXC_MX35_PINS_H__ +#define __ASM_ARCH_MXC_MX35_PINS_H__ + +/*! + * @file arch-mxc/mx35_pins.h + * + * @brief MX35 I/O Pin List + * + * @ingroup GPIO_MX35 + */ + +#ifndef __ASSEMBLY__ + +/*! + * @name IOMUX/PAD Bit field definitions + */ + +/*! @{ */ + +/*! + * In order to identify pins more effectively, each mux-controlled pin's + * enumerated value is constructed in the following way: + * + * ------------------------------------------------------------------- + * 31-29 | 28 - 24 |23 - 21| 20 - 10| 9 - 0 + * ------------------------------------------------------------------- + * IO_P | IO_I | RSVD | PAD_I | MUX_I + * ------------------------------------------------------------------- + * + * Bit 0 to 7 contains MUX_I used to identify the register + * offset (base is IOMUX_module_base ) defined in the Section + * "sw_pad_ctl & sw_mux_ctl details" of the IC Spec. The similar field + * definitions are used for the pad control register.the MX35_PIN_A0 is + * defined in the enumeration: ( 0x28 << MUX_I) |( 0x368 << PAD_I) + * So the absolute address is: IOMUX_module_base + 0x28. + * The pad control register offset is: 0x368. + */ + +/*! + * Starting bit position within each entry of \b iomux_pins to represent the + * MUX control register offset + */ +#define MUX_I 0 +/*! + * Starting bit position within each entry of \b iomux_pins to represent the + * PAD control register offset + */ +#define PAD_I 10 + +/*! + * Starting bit position within each entry of \b iomux_pins to represent the + * reserved filed + */ +#define RSVD_I 21 + +#define MUX_IO_P 29 +#define MUX_IO_I 24 +#define IOMUX_TO_GPIO(pin) ((((unsigned int)pin >> MUX_IO_P) * \ + GPIO_NUM_PIN) + ((pin >> MUX_IO_I) &\ + ((1 << (MUX_IO_P - MUX_IO_I)) - 1))) +#define IOMUX_TO_IRQ(pin) (MXC_GPIO_INT_BASE + IOMUX_TO_GPIO(pin)) +#define GPIO_TO_PORT(n) (n / GPIO_NUM_PIN) +#define GPIO_TO_INDEX(n) (n % GPIO_NUM_PIN) + +#define NON_GPIO_I 0x7 +#define PIN_TO_MUX_MASK ((1<<(PAD_I - MUX_I)) - 1) +#define PIN_TO_PAD_MASK ((1<<(RSVD_I - PAD_I)) - 1) +#define NON_MUX_I PIN_TO_MUX_MASK + +#define _MXC_BUILD_PIN(gp, gi, mi, pi) \ + (((gp) << MUX_IO_P) | ((gi) << MUX_IO_I) | \ + ((mi) << MUX_I) | ((pi) << PAD_I)) + +#define _MXC_BUILD_GPIO_PIN(gp, gi, mi, pi) \ + _MXC_BUILD_PIN(gp, gi, mi, pi) + +#define _MXC_BUILD_NON_GPIO_PIN(mi, pi) \ + _MXC_BUILD_PIN(NON_GPIO_I, 0, mi, pi) + +#define PIN_TO_IOMUX_MUX(pin) ((pin >> MUX_I) & PIN_TO_MUX_MASK) +#define PIN_TO_IOMUX_PAD(pin) ((pin >> PAD_I) & PIN_TO_PAD_MASK) + +/*! @} End IOMUX/PAD Bit field definitions */ + +/*! + * This enumeration is constructed based on the Section + * "sw_pad_ctl & sw_mux_ctl details" of the MX35 IC Spec. Each enumerated + * value is constructed based on the rules described above. + */ +typedef enum iomux_pins { + MX35_PIN_CAPTURE = _MXC_BUILD_GPIO_PIN(0, 4, 0x4, 0x328), + MX35_PIN_COMPARE = _MXC_BUILD_GPIO_PIN(0, 5, 0x8, 0x32C), + MX35_PIN_WATCHDOG_RST = _MXC_BUILD_GPIO_PIN(0, 6, 0xC, 0x330), + MX35_PIN_GPIO1_0 = _MXC_BUILD_GPIO_PIN(0, 0, 0x10, 0x334), + MX35_PIN_GPIO1_1 = _MXC_BUILD_GPIO_PIN(0, 1, 0x14, 0x338), + MX35_PIN_GPIO2_0 = _MXC_BUILD_GPIO_PIN(1, 0, 0x18, 0x33C), + MX35_PIN_GPIO3_0 = _MXC_BUILD_GPIO_PIN(2, 1, 0x1C, 0x340), + MX35_PIN_CLKO = _MXC_BUILD_GPIO_PIN(0, 8, 0x20, 0x34C), + + MX35_PIN_POWER_FAIL = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x360), + MX35_PIN_VSTBY = _MXC_BUILD_GPIO_PIN(0, 7, 0x24, 0x364), + MX35_PIN_A0 = _MXC_BUILD_NON_GPIO_PIN(0x28, 0x368), + MX35_PIN_A1 = _MXC_BUILD_NON_GPIO_PIN(0x2C, 0x36C), + MX35_PIN_A2 = _MXC_BUILD_NON_GPIO_PIN(0x30, 0x370), + MX35_PIN_A3 = _MXC_BUILD_NON_GPIO_PIN(0x34, 0x374), + MX35_PIN_A4 = _MXC_BUILD_NON_GPIO_PIN(0x38, 0x378), + MX35_PIN_A5 = _MXC_BUILD_NON_GPIO_PIN(0x3C, 0x37C), + MX35_PIN_A6 = _MXC_BUILD_NON_GPIO_PIN(0x40, 0x380), + MX35_PIN_A7 = _MXC_BUILD_NON_GPIO_PIN(0x44, 0x384), + MX35_PIN_A8 = _MXC_BUILD_NON_GPIO_PIN(0x48, 0x388), + MX35_PIN_A9 = _MXC_BUILD_NON_GPIO_PIN(0x4C, 0x38C), + MX35_PIN_A10 = _MXC_BUILD_NON_GPIO_PIN(0x50, 0x390), + MX35_PIN_MA10 = _MXC_BUILD_NON_GPIO_PIN(0x54, 0x394), + MX35_PIN_A11 = _MXC_BUILD_NON_GPIO_PIN(0x58, 0x398), + MX35_PIN_A12 = _MXC_BUILD_NON_GPIO_PIN(0x5C, 0x39C), + MX35_PIN_A13 = _MXC_BUILD_NON_GPIO_PIN(0x60, 0x3A0), + MX35_PIN_A14 = _MXC_BUILD_NON_GPIO_PIN(0x64, 0x3A4), + MX35_PIN_A15 = _MXC_BUILD_NON_GPIO_PIN(0x68, 0x3A8), + MX35_PIN_A16 = _MXC_BUILD_NON_GPIO_PIN(0x6C, 0x3AC), + MX35_PIN_A17 = _MXC_BUILD_NON_GPIO_PIN(0x70, 0x3B0), + MX35_PIN_A18 = _MXC_BUILD_NON_GPIO_PIN(0x74, 0x3B4), + MX35_PIN_A19 = _MXC_BUILD_NON_GPIO_PIN(0x78, 0x3B8), + MX35_PIN_A20 = _MXC_BUILD_NON_GPIO_PIN(0x7C, 0x3BC), + MX35_PIN_A21 = _MXC_BUILD_NON_GPIO_PIN(0x80, 0x3C0), + MX35_PIN_A22 = _MXC_BUILD_NON_GPIO_PIN(0x84, 0x3C4), + MX35_PIN_A23 = _MXC_BUILD_NON_GPIO_PIN(0x88, 0x3C8), + MX35_PIN_A24 = _MXC_BUILD_NON_GPIO_PIN(0x8C, 0x3CC), + MX35_PIN_A25 = _MXC_BUILD_NON_GPIO_PIN(0x90, 0x3D0), + + MX35_PIN_EB0 = _MXC_BUILD_NON_GPIO_PIN(0x94, 0x46C), + MX35_PIN_EB1 = _MXC_BUILD_NON_GPIO_PIN(0x98, 0x470), + MX35_PIN_OE = _MXC_BUILD_NON_GPIO_PIN(0x9C, 0x474), + MX35_PIN_CS0 = _MXC_BUILD_NON_GPIO_PIN(0xA0, 0x478), + MX35_PIN_CS1 = _MXC_BUILD_NON_GPIO_PIN(0xA4, 0x47C), + MX35_PIN_CS2 = _MXC_BUILD_NON_GPIO_PIN(0xA8, 0x480), + MX35_PIN_CS3 = _MXC_BUILD_NON_GPIO_PIN(0xAC, 0x484), + MX35_PIN_CS4 = _MXC_BUILD_GPIO_PIN(0, 20, 0xB0, 0x488), + MX35_PIN_CS5 = _MXC_BUILD_GPIO_PIN(0, 21, 0xB4, 0x48C), + MX35_PIN_NFCE_B = _MXC_BUILD_GPIO_PIN(0, 22, 0xB8, 0x490), + + MX35_PIN_LBA = _MXC_BUILD_NON_GPIO_PIN(0xBC, 0x498), + MX35_PIN_BCLK = _MXC_BUILD_NON_GPIO_PIN(0xC0, 0x49C), + MX35_PIN_RW = _MXC_BUILD_NON_GPIO_PIN(0xC4, 0x4A0), + + MX35_PIN_NFWE_B = _MXC_BUILD_GPIO_PIN(0, 18, 0xC8, 0x4CC), + MX35_PIN_NFRE_B = _MXC_BUILD_GPIO_PIN(0, 19, 0xCC, 0x4D0), + MX35_PIN_NFALE = _MXC_BUILD_GPIO_PIN(0, 20, 0xD0, 0x4D4), + MX35_PIN_NFCLE = _MXC_BUILD_GPIO_PIN(0, 21, 0xD4, 0x4D8), + MX35_PIN_NFWP_B = _MXC_BUILD_GPIO_PIN(0, 22, 0xD8, 0x4DC), + MX35_PIN_NFRB = _MXC_BUILD_GPIO_PIN(0, 23, 0xDC, 0x4E0), + + MX35_PIN_D15 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x4E4), + MX35_PIN_D14 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x4E8), + MX35_PIN_D13 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x4EC), + MX35_PIN_D12 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x4F0), + MX35_PIN_D11 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x4F4), + MX35_PIN_D10 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x4F8), + MX35_PIN_D9 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x4FC), + MX35_PIN_D8 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x500), + MX35_PIN_D7 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x504), + MX35_PIN_D6 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x508), + MX35_PIN_D5 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x50C), + MX35_PIN_D4 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x510), + MX35_PIN_D3 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x514), + MX35_PIN_D2 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x518), + MX35_PIN_D1 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x51C), + MX35_PIN_D0 = _MXC_BUILD_NON_GPIO_PIN(NON_MUX_I, 0x520), + + MX35_PIN_CSI_D8 = _MXC_BUILD_GPIO_PIN(0, 20, 0xE0, 0x524), + MX35_PIN_CSI_D9 = _MXC_BUILD_GPIO_PIN(0, 21, 0xE4, 0x528), + MX35_PIN_CSI_D10 = _MXC_BUILD_GPIO_PIN(0, 22, 0xE8, 0x52C), + MX35_PIN_CSI_D11 = _MXC_BUILD_GPIO_PIN(0, 23, 0xEC, 0x530), + MX35_PIN_CSI_D12 = _MXC_BUILD_GPIO_PIN(0, 24, 0xF0, 0x534), + MX35_PIN_CSI_D13 = _MXC_BUILD_GPIO_PIN(0, 25, 0xF4, 0x538), + MX35_PIN_CSI_D14 = _MXC_BUILD_GPIO_PIN(0, 26, 0xF8, 0x53C), + MX35_PIN_CSI_D15 = _MXC_BUILD_GPIO_PIN(0, 27, 0xFC, 0x540), + MX35_PIN_CSI_MCLK = _MXC_BUILD_GPIO_PIN(0, 28, 0x100, 0x544), + MX35_PIN_CSI_VSYNC = _MXC_BUILD_GPIO_PIN(0, 29, 0x104, 0x548), + MX35_PIN_CSI_HSYNC = _MXC_BUILD_GPIO_PIN(0, 30, 0x108, 0x54C), + MX35_PIN_CSI_PIXCLK = _MXC_BUILD_GPIO_PIN(0, 31, 0x10C, 0x550), + + MX35_PIN_I2C1_CLK = _MXC_BUILD_GPIO_PIN(1, 24, 0x110, 0x554), + MX35_PIN_I2C1_DAT = _MXC_BUILD_GPIO_PIN(1, 25, 0x114, 0x558), + MX35_PIN_I2C2_CLK = _MXC_BUILD_GPIO_PIN(1, 26, 0x118, 0x55C), + MX35_PIN_I2C2_DAT = _MXC_BUILD_GPIO_PIN(1, 27, 0x11C, 0x560), + + MX35_PIN_STXD4 = _MXC_BUILD_GPIO_PIN(1, 28, 0x120, 0x564), + MX35_PIN_SRXD4 = _MXC_BUILD_GPIO_PIN(1, 29, 0x124, 0x568), + MX35_PIN_SCK4 = _MXC_BUILD_GPIO_PIN(1, 30, 0x128, 0x56C), + MX35_PIN_STXFS4 = _MXC_BUILD_GPIO_PIN(1, 31, 0x12C, 0x570), + MX35_PIN_STXD5 = _MXC_BUILD_GPIO_PIN(0, 0, 0x130, 0x574), + MX35_PIN_SRXD5 = _MXC_BUILD_GPIO_PIN(0, 1, 0x134, 0x578), + MX35_PIN_SCK5 = _MXC_BUILD_GPIO_PIN(0, 2, 0x138, 0x57C), + MX35_PIN_STXFS5 = _MXC_BUILD_GPIO_PIN(0, 3, 0x13C, 0x580), + + MX35_PIN_SCKR = _MXC_BUILD_GPIO_PIN(0, 4, 0x140, 0x584), + MX35_PIN_FSR = _MXC_BUILD_GPIO_PIN(0, 5, 0x144, 0x588), + MX35_PIN_HCKR = _MXC_BUILD_GPIO_PIN(0, 6, 0x148, 0x58C), + MX35_PIN_SCKT = _MXC_BUILD_GPIO_PIN(0, 7, 0x14C, 0x590), + MX35_PIN_FST = _MXC_BUILD_GPIO_PIN(0, 8, 0x150, 0x594), + MX35_PIN_HCKT = _MXC_BUILD_GPIO_PIN(0, 9, 0x154, 0x598), + MX35_PIN_TX5_RX0 = _MXC_BUILD_GPIO_PIN(0, 10, 0x158, 0x59C), + MX35_PIN_TX4_RX1 = _MXC_BUILD_GPIO_PIN(0, 11, 0x15C, 0x5A0), + MX35_PIN_TX3_RX2 = _MXC_BUILD_GPIO_PIN(0, 12, 0x160, 0x5A4), + MX35_PIN_TX2_RX3 = _MXC_BUILD_GPIO_PIN(0, 13, 0x164, 0x5A8), + MX35_PIN_TX1 = _MXC_BUILD_GPIO_PIN(0, 14, 0x168, 0x5AC), + MX35_PIN_TX0 = _MXC_BUILD_GPIO_PIN(0, 15, 0x16C, 0x5B0), + + MX35_PIN_CSPI1_MOSI = _MXC_BUILD_GPIO_PIN(0, 16, 0x170, 0x5B4), + MX35_PIN_CSPI1_MISO = _MXC_BUILD_GPIO_PIN(0, 17, 0x174, 0x5B8), + MX35_PIN_CSPI1_SS0 = _MXC_BUILD_GPIO_PIN(0, 18, 0x178, 0x5BC), + MX35_PIN_CSPI1_SS1 = _MXC_BUILD_GPIO_PIN(0, 19, 0x17C, 0x5C0), + MX35_PIN_CSPI1_SCLK = _MXC_BUILD_GPIO_PIN(2, 4, 0x180, 0x5C4), + MX35_PIN_CSPI1_SPI_RDY = _MXC_BUILD_GPIO_PIN(2, 5, 0x184, 0x5C8), + + MX35_PIN_RXD1 = _MXC_BUILD_GPIO_PIN(2, 6, 0x188, 0x5CC), + MX35_PIN_TXD1 = _MXC_BUILD_GPIO_PIN(2, 7, 0x18C, 0x5D0), + MX35_PIN_RTS1 = _MXC_BUILD_GPIO_PIN(2, 8, 0x190, 0x5D4), + MX35_PIN_CTS1 = _MXC_BUILD_GPIO_PIN(2, 9, 0x194, 0x5D8), + MX35_PIN_RXD2 = _MXC_BUILD_GPIO_PIN(2, 10, 0x198, 0x5DC), + MX35_PIN_TXD2 = _MXC_BUILD_GPIO_PIN(1, 11, 0x19C, 0x5E0), + MX35_PIN_RTS2 = _MXC_BUILD_GPIO_PIN(1, 12, 0x1A0, 0x5E4), + MX35_PIN_CTS2 = _MXC_BUILD_GPIO_PIN(1, 13, 0x1A4, 0x5E8), + + MX35_PIN_USBOTG_PWR = _MXC_BUILD_GPIO_PIN(2, 14, 0x1A8, 0x60C), + MX35_PIN_USBOTG_OC = _MXC_BUILD_GPIO_PIN(2, 15, 0x1AC, 0x610), + + MX35_PIN_LD0 = _MXC_BUILD_GPIO_PIN(1, 0, 0x1B0, 0x614), + MX35_PIN_LD1 = _MXC_BUILD_GPIO_PIN(1, 1, 0x1B4, 0x618), + MX35_PIN_LD2 = _MXC_BUILD_GPIO_PIN(1, 2, 0x1B8, 0x61C), + MX35_PIN_LD3 = _MXC_BUILD_GPIO_PIN(1, 3, 0x1BC, 0x620), + MX35_PIN_LD4 = _MXC_BUILD_GPIO_PIN(1, 4, 0x1C0, 0x624), + MX35_PIN_LD5 = _MXC_BUILD_GPIO_PIN(1, 5, 0x1C4, 0x628), + MX35_PIN_LD6 = _MXC_BUILD_GPIO_PIN(1, 6, 0x1C8, 0x62C), + MX35_PIN_LD7 = _MXC_BUILD_GPIO_PIN(1, 7, 0x1CC, 0x630), + MX35_PIN_LD8 = _MXC_BUILD_GPIO_PIN(1, 8, 0x1D0, 0x634), + MX35_PIN_LD9 = _MXC_BUILD_GPIO_PIN(1, 9, 0x1D4, 0x638), + MX35_PIN_LD10 = _MXC_BUILD_GPIO_PIN(1, 10, 0x1D8, 0x63C), + MX35_PIN_LD11 = _MXC_BUILD_GPIO_PIN(1, 11, 0x1DC, 0x640), + MX35_PIN_LD12 = _MXC_BUILD_GPIO_PIN(1, 12, 0x1E0, 0x644), + MX35_PIN_LD13 = _MXC_BUILD_GPIO_PIN(1, 13, 0x1E4, 0x648), + MX35_PIN_LD14 = _MXC_BUILD_GPIO_PIN(1, 14, 0x1E8, 0x64C), + MX35_PIN_LD15 = _MXC_BUILD_GPIO_PIN(1, 15, 0x1EC, 0x650), + MX35_PIN_LD16 = _MXC_BUILD_GPIO_PIN(1, 16, 0x1F0, 0x654), + MX35_PIN_LD17 = _MXC_BUILD_GPIO_PIN(1, 17, 0x1F4, 0x658), + MX35_PIN_LD18 = _MXC_BUILD_GPIO_PIN(2, 24, 0x1F8, 0x65C), + MX35_PIN_LD19 = _MXC_BUILD_GPIO_PIN(2, 25, 0x1FC, 0x660), + MX35_PIN_LD20 = _MXC_BUILD_GPIO_PIN(2, 26, 0x200, 0x664), + MX35_PIN_LD21 = _MXC_BUILD_GPIO_PIN(2, 27, 0x204, 0x668), + MX35_PIN_LD22 = _MXC_BUILD_GPIO_PIN(2, 28, 0x208, 0x66C), + MX35_PIN_LD23 = _MXC_BUILD_GPIO_PIN(2, 29, 0x20C, 0x670), + + MX35_PIN_D3_HSYNC = _MXC_BUILD_GPIO_PIN(2, 30, 0x210, 0x674), + MX35_PIN_D3_FPSHIFT = _MXC_BUILD_GPIO_PIN(2, 31, 0x214, 0x678), + MX35_PIN_D3_DRDY = _MXC_BUILD_GPIO_PIN(0, 0, 0x218, 0x67C), + MX35_PIN_CONTRAST = _MXC_BUILD_GPIO_PIN(0, 1, 0x21C, 0x680), + MX35_PIN_D3_VSYNC = _MXC_BUILD_GPIO_PIN(0, 2, 0x220, 0x684), + MX35_PIN_D3_REV = _MXC_BUILD_GPIO_PIN(0, 3, 0x224, 0x688), + MX35_PIN_D3_CLS = _MXC_BUILD_GPIO_PIN(0, 4, 0x228, 0x68C), + MX35_PIN_D3_SPL = _MXC_BUILD_GPIO_PIN(0, 5, 0x22C, 0x690), + + MX35_PIN_SD1_CMD = _MXC_BUILD_GPIO_PIN(0, 6, 0x230, 0x694), + MX35_PIN_SD1_CLK = _MXC_BUILD_GPIO_PIN(0, 7, 0x234, 0x698), + MX35_PIN_SD1_DATA0 = _MXC_BUILD_GPIO_PIN(0, 8, 0x238, 0x69C), + MX35_PIN_SD1_DATA1 = _MXC_BUILD_GPIO_PIN(0, 9, 0x23C, 0x6A0), + MX35_PIN_SD1_DATA2 = _MXC_BUILD_GPIO_PIN(0, 10, 0x240, 0x6A4), + MX35_PIN_SD1_DATA3 = _MXC_BUILD_GPIO_PIN(0, 11, 0x244, 0x6A8), + MX35_PIN_SD2_CMD = _MXC_BUILD_GPIO_PIN(1, 0, 0x248, 0x6AC), + MX35_PIN_SD2_CLK = _MXC_BUILD_GPIO_PIN(1, 1, 0x24C, 0x6B0), + MX35_PIN_SD2_DATA0 = _MXC_BUILD_GPIO_PIN(1, 2, 0x250, 0x6B4), + MX35_PIN_SD2_DATA1 = _MXC_BUILD_GPIO_PIN(1, 3, 0x254, 0x6B8), + MX35_PIN_SD2_DATA2 = _MXC_BUILD_GPIO_PIN(1, 4, 0x258, 0x6BC), + MX35_PIN_SD2_DATA3 = _MXC_BUILD_GPIO_PIN(1, 5, 0x25C, 0x6C0), + + MX35_PIN_ATA_CS0 = _MXC_BUILD_GPIO_PIN(1, 6, 0x260, 0x6C4), + MX35_PIN_ATA_CS1 = _MXC_BUILD_GPIO_PIN(1, 7, 0x264, 0x6C8), + MX35_PIN_ATA_DIOR = _MXC_BUILD_GPIO_PIN(1, 8, 0x268, 0x6CC), + MX35_PIN_ATA_DIOW = _MXC_BUILD_GPIO_PIN(1, 9, 0x26C, 0x6D0), + MX35_PIN_ATA_DMACK = _MXC_BUILD_GPIO_PIN(1, 10, 0x270, 0x6D4), + MX35_PIN_ATA_RESET_B = _MXC_BUILD_GPIO_PIN(1, 11, 0x274, 0x6D8), + MX35_PIN_ATA_IORDY = _MXC_BUILD_GPIO_PIN(1, 12, 0x278, 0x6DC), + MX35_PIN_ATA_DATA0 = _MXC_BUILD_GPIO_PIN(1, 13, 0x27C, 0x6E0), + MX35_PIN_ATA_DATA1 = _MXC_BUILD_GPIO_PIN(1, 14, 0x280, 0x6E4), + MX35_PIN_ATA_DATA2 = _MXC_BUILD_GPIO_PIN(1, 15, 0x284, 0x6E8), + MX35_PIN_ATA_DATA3 = _MXC_BUILD_GPIO_PIN(1, 16, 0x288, 0x6EC), + MX35_PIN_ATA_DATA4 = _MXC_BUILD_GPIO_PIN(1, 17, 0x28C, 0x6F0), + MX35_PIN_ATA_DATA5 = _MXC_BUILD_GPIO_PIN(1, 18, 0x290, 0x6F4), + MX35_PIN_ATA_DATA6 = _MXC_BUILD_GPIO_PIN(1, 19, 0x294, 0x6F8), + MX35_PIN_ATA_DATA7 = _MXC_BUILD_GPIO_PIN(1, 20, 0x298, 0x6FC), + MX35_PIN_ATA_DATA8 = _MXC_BUILD_GPIO_PIN(1, 21, 0x29C, 0x700), + MX35_PIN_ATA_DATA9 = _MXC_BUILD_GPIO_PIN(1, 22, 0x2A0, 0x704), + MX35_PIN_ATA_DATA10 = _MXC_BUILD_GPIO_PIN(1, 23, 0x2A4, 0x708), + MX35_PIN_ATA_DATA11 = _MXC_BUILD_GPIO_PIN(1, 24, 0x2A8, 0x70C), + MX35_PIN_ATA_DATA12 = _MXC_BUILD_GPIO_PIN(1, 25, 0x2AC, 0x710), + MX35_PIN_ATA_DATA13 = _MXC_BUILD_GPIO_PIN(1, 26, 0x2B0, 0x714), + MX35_PIN_ATA_DATA14 = _MXC_BUILD_GPIO_PIN(1, 27, 0x2B4, 0x718), + MX35_PIN_ATA_DATA15 = _MXC_BUILD_GPIO_PIN(1, 28, 0x2B8, 0x71C), + MX35_PIN_ATA_INTRQ = _MXC_BUILD_GPIO_PIN(1, 29, 0x2BC, 0x720), + MX35_PIN_ATA_BUFF_EN = _MXC_BUILD_GPIO_PIN(1, 30, 0x2C0, 0x724), + MX35_PIN_ATA_DMARQ = _MXC_BUILD_GPIO_PIN(1, 31, 0x2C4, 0x728), + MX35_PIN_ATA_DA0 = _MXC_BUILD_GPIO_PIN(2, 0, 0x2C8, 0x72C), + MX35_PIN_ATA_DA1 = _MXC_BUILD_GPIO_PIN(2, 1, 0x2CC, 0x730), + MX35_PIN_ATA_DA2 = _MXC_BUILD_GPIO_PIN(2, 2, 0x2D0, 0x734), + + MX35_PIN_MLB_CLK = _MXC_BUILD_GPIO_PIN(2, 3, 0x2D4, 0x738), + MX35_PIN_MLB_DAT = _MXC_BUILD_GPIO_PIN(2, 4, 0x2D8, 0x73C), + MX35_PIN_MLB_SIG = _MXC_BUILD_GPIO_PIN(2, 5, 0x2DC, 0x740), + + MX35_PIN_FEC_TX_CLK = _MXC_BUILD_GPIO_PIN(2, 6, 0x2E0, 0x744), + MX35_PIN_FEC_RX_CLK = _MXC_BUILD_GPIO_PIN(2, 7, 0x2E4, 0x748), + MX35_PIN_FEC_RX_DV = _MXC_BUILD_GPIO_PIN(2, 8, 0x2E8, 0x74C), + MX35_PIN_FEC_COL = _MXC_BUILD_GPIO_PIN(2, 9, 0x2EC, 0x750), + MX35_PIN_FEC_RDATA0 = _MXC_BUILD_GPIO_PIN(2, 10, 0x2F0, 0x754), + MX35_PIN_FEC_TDATA0 = _MXC_BUILD_GPIO_PIN(2, 11, 0x2F4, 0x758), + MX35_PIN_FEC_TX_EN = _MXC_BUILD_GPIO_PIN(2, 12, 0x2F8, 0x75C), + MX35_PIN_FEC_MDC = _MXC_BUILD_GPIO_PIN(2, 13, 0x2FC, 0x760), + MX35_PIN_FEC_MDIO = _MXC_BUILD_GPIO_PIN(2, 14, 0x300, 0x764), + MX35_PIN_FEC_TX_ERR = _MXC_BUILD_GPIO_PIN(2, 15, 0x304, 0x768), + MX35_PIN_FEC_RX_ERR = _MXC_BUILD_GPIO_PIN(2, 16, 0x308, 0x76C), + MX35_PIN_FEC_CRS = _MXC_BUILD_GPIO_PIN(2, 17, 0x30C, 0x770), + MX35_PIN_FEC_RDATA1 = _MXC_BUILD_GPIO_PIN(2, 18, 0x310, 0x774), + MX35_PIN_FEC_TDATA1 = _MXC_BUILD_GPIO_PIN(2, 19, 0x314, 0x778), + MX35_PIN_FEC_RDATA2 = _MXC_BUILD_GPIO_PIN(2, 20, 0x318, 0x77C), + MX35_PIN_FEC_TDATA2 = _MXC_BUILD_GPIO_PIN(2, 21, 0x31C, 0x780), + MX35_PIN_FEC_RDATA3 = _MXC_BUILD_GPIO_PIN(2, 22, 0x320, 0x784), + MX35_PIN_FEC_TDATA3 = _MXC_BUILD_GPIO_PIN(2, 23, 0x324, 0x788), +} iomux_pin_name_t; + +#endif +#endif diff --git a/arch/arm/include/asm/arch-mx35/sys_proto.h b/arch/arm/include/asm/arch-mx35/sys_proto.h new file mode 100644 index 0000000..f687503 --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/sys_proto.h @@ -0,0 +1,31 @@ +/* + * (C) Copyright 2009 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * 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 + */ + +#ifndef _SYS_PROTO_H_ +#define _SYS_PROTO_H_ + +u32 get_cpu_rev(void); +#define is_soc_rev(rev) ((get_cpu_rev() & 0xFF) - rev) +void sdelay(unsigned long); + +#endif