diff options
author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-05-11 07:25:36 (GMT) |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-05-11 07:25:36 (GMT) |
commit | ec7023db8dc95966919589541f1ca09355a3f7a5 (patch) | |
tree | 69be08a0b3f19e3e1d99ea7829931f8f800a01d9 /arch/arm/cpu | |
parent | e825b100d209a9d3c79b2998452cafa94eec986a (diff) | |
parent | d782c1fe7246301143ed78c0d86ea6c81f9325f9 (diff) | |
download | u-boot-ec7023db8dc95966919589541f1ca09355a3f7a5.tar.xz |
Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
Conflicts:
drivers/mtd/nand/mxc_nand_spl.c
include/configs/m28evk.h
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r-- | arch/arm/cpu/arm1136/mx35/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/cpu/arm1136/mx35/iomux.c | 114 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mx25/generic.c | 117 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/Makefile | 10 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/clock.c | 93 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/mxs.c | 65 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c | 46 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/spl_power_init.c | 50 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/u-boot-imx23.bd | 4 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/u-boot-imx28.bd | 4 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx5/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx5/clock.c | 14 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx5/iomux.c | 186 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx5/soc.c | 7 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 52 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 11 |
16 files changed, 255 insertions, 521 deletions
diff --git a/arch/arm/cpu/arm1136/mx35/Makefile b/arch/arm/cpu/arm1136/mx35/Makefile index f4ababb..23adac0 100644 --- a/arch/arm/cpu/arm1136/mx35/Makefile +++ b/arch/arm/cpu/arm1136/mx35/Makefile @@ -29,7 +29,6 @@ LIB = $(obj)lib$(SOC).o COBJS += generic.o COBJS += timer.o -COBJS += iomux.o COBJS += mx35_sdram.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/arch/arm/cpu/arm1136/mx35/iomux.c b/arch/arm/cpu/arm1136/mx35/iomux.c deleted file mode 100644 index a302575..0000000 --- a/arch/arm/cpu/arm1136/mx35/iomux.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/mx35_pins.h> -#include <asm/arch/iomux.h> - -/* - * IOMUX register (base) addresses - */ -enum iomux_reg_addr { - IOMUXGPR = IOMUXC_BASE_ADDR, /* General purpose */ - IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR + 4, /* MUX control */ - IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + 0x324, /* last MUX control */ - IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + 0x328, /* Pad control */ - IOMUXSW_PAD_END = IOMUXC_BASE_ADDR + 0x794, /* last Pad control */ - IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + 0x7AC, /* input select */ - IOMUXSW_INPUT_END = IOMUXC_BASE_ADDR + 0x9F4, /* last input select */ -}; - -#define MUX_PIN_NUM_MAX \ - (((IOMUXSW_PAD_END - IOMUXSW_PAD_CTL) >> 2) + 1) -#define MUX_INPUT_NUM_MUX \ - (((IOMUXSW_INPUT_END - IOMUXSW_INPUT_CTL) >> 2) + 1) - -/* - * Request ownership for an IO pin. This function has to be the first one - * being called before that pin is used. - */ -void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ - u32 mux_reg = PIN_TO_IOMUX_MUX(pin); - - if (mux_reg != NON_MUX_I) { - mux_reg += IOMUXGPR; - writel(cfg, mux_reg); - } -} - -/* - * Release ownership for an IO pin - */ -void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ -} - -/* - * This function configures the pad value for a IOMUX pin. - * - * @param pin a pin number as defined in iomux_pin_name_t - * @param config the ORed value of elements defined in iomux_pad_config_t - */ -void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config) -{ - u32 pad_reg = IOMUXGPR + PIN_TO_IOMUX_PAD(pin); - - writel(config, pad_reg); -} - -/* - * This function enables/disables the general purpose function for a particular - * signal. - * - * @param gp one signal as defined in iomux_gp_func_t - * @param en enable/disable - */ -void mxc_iomux_set_gpr(iomux_gp_func_t gp, int en) -{ - u32 l; - - l = readl(IOMUXGPR); - if (en) - l |= gp; - else - l &= ~gp; - - writel(l, IOMUXGPR); -} - -/* - * This function configures input path. - * - * @param input index of input select register as defined in - * iomux_input_select_t - * @param config the binary value of elements defined in - * iomux_input_config_t - */ -void mxc_iomux_set_input(iomux_input_select_t input, u32 config) -{ - u32 reg = IOMUXSW_INPUT_CTL + (input << 2); - - writel(config, reg); -} diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c index 679273b..7cbbe65 100644 --- a/arch/arm/cpu/arm926ejs/mx25/generic.c +++ b/arch/arm/cpu/arm926ejs/mx25/generic.c @@ -27,7 +27,6 @@ #include <netdev.h> #include <asm/io.h> #include <asm/arch/imx-regs.h> -#include <asm/arch/imx25-pinmux.h> #include <asm/arch/clock.h> #ifdef CONFIG_FSL_ESDHC @@ -248,123 +247,7 @@ int cpu_mmc_init(bd_t *bis) } #endif -#ifdef CONFIG_MXC_UART -void mx25_uart1_init_pins(void) -{ - struct iomuxc_mux_ctl *muxctl; - struct iomuxc_pad_ctl *padctl; - u32 inpadctl; - u32 outpadctl; - u32 muxmode0; - - muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE; - padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE; - muxmode0 = MX25_PIN_MUX_MODE(0); - /* - * set up input pins with hysteresis and 100K pull-ups - */ - inpadctl = MX25_PIN_PAD_CTL_HYS - | MX25_PIN_PAD_CTL_PKE - | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PU; - - /* - * set up output pins with 100K pull-downs - * FIXME: need to revisit this - * PUE is ignored if PKE is not set - * so the right value here is likely - * 0x0 for no pull up/down - * or - * 0xc0 for 100k pull down - */ - outpadctl = MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD; - - /* UART1 */ - /* rxd */ - writel(muxmode0, &muxctl->pad_uart1_rxd); - writel(inpadctl, &padctl->pad_uart1_rxd); - - /* txd */ - writel(muxmode0, &muxctl->pad_uart1_txd); - writel(outpadctl, &padctl->pad_uart1_txd); - - /* rts */ - writel(muxmode0, &muxctl->pad_uart1_rts); - writel(outpadctl, &padctl->pad_uart1_rts); - - /* cts */ - writel(muxmode0, &muxctl->pad_uart1_cts); - writel(inpadctl, &padctl->pad_uart1_cts); -} -#endif /* CONFIG_MXC_UART */ - #ifdef CONFIG_FEC_MXC -void mx25_fec_init_pins(void) -{ - struct iomuxc_mux_ctl *muxctl; - struct iomuxc_pad_ctl *padctl; - u32 inpadctl_100kpd; - u32 inpadctl_22kpu; - u32 outpadctl; - u32 muxmode0; - - muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE; - padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE; - muxmode0 = MX25_PIN_MUX_MODE(0); - inpadctl_100kpd = MX25_PIN_PAD_CTL_HYS - | MX25_PIN_PAD_CTL_PKE - | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD; - inpadctl_22kpu = MX25_PIN_PAD_CTL_HYS - | MX25_PIN_PAD_CTL_PKE - | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_22K_PU; - /* - * set up output pins with 100K pull-downs - * FIXME: need to revisit this - * PUE is ignored if PKE is not set - * so the right value here is likely - * 0x0 for no pull - * or - * 0xc0 for 100k pull down - */ - outpadctl = MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD; - - /* FEC_TX_CLK */ - writel(muxmode0, &muxctl->pad_fec_tx_clk); - writel(inpadctl_100kpd, &padctl->pad_fec_tx_clk); - - /* FEC_RX_DV */ - writel(muxmode0, &muxctl->pad_fec_rx_dv); - writel(inpadctl_100kpd, &padctl->pad_fec_rx_dv); - - /* FEC_RDATA0 */ - writel(muxmode0, &muxctl->pad_fec_rdata0); - writel(inpadctl_100kpd, &padctl->pad_fec_rdata0); - - /* FEC_TDATA0 */ - writel(muxmode0, &muxctl->pad_fec_tdata0); - writel(outpadctl, &padctl->pad_fec_tdata0); - - /* FEC_TX_EN */ - writel(muxmode0, &muxctl->pad_fec_tx_en); - writel(outpadctl, &padctl->pad_fec_tx_en); - - /* FEC_MDC */ - writel(muxmode0, &muxctl->pad_fec_mdc); - writel(outpadctl, &padctl->pad_fec_mdc); - - /* FEC_MDIO */ - writel(muxmode0, &muxctl->pad_fec_mdio); - writel(inpadctl_22kpu, &padctl->pad_fec_mdio); - - /* FEC_RDATA1 */ - writel(muxmode0, &muxctl->pad_fec_rdata1); - writel(inpadctl_100kpd, &padctl->pad_fec_rdata1); - - /* FEC_TDATA1 */ - writel(muxmode0, &muxctl->pad_fec_tdata1); - writel(outpadctl, &padctl->pad_fec_tdata1); - -} - void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) { int i; diff --git a/arch/arm/cpu/arm926ejs/mxs/Makefile b/arch/arm/cpu/arm926ejs/mxs/Makefile index eeecf89..038c1c1 100644 --- a/arch/arm/cpu/arm926ejs/mxs/Makefile +++ b/arch/arm/cpu/arm926ejs/mxs/Makefile @@ -40,6 +40,16 @@ all: $(obj).depend $(LIB) $(LIB): $(OBJS) $(call cmd_link_o_target, $(OBJS)) +# Specify the target for use in elftosb call +ELFTOSB_TARGET-$(CONFIG_MX23) = imx23 +ELFTOSB_TARGET-$(CONFIG_MX28) = imx28 + +$(OBJTREE)/u-boot.bd: $(SRCTREE)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd + sed "s@OBJTREE@$(OBJTREE)@g" $^ > $@ + +$(OBJTREE)/u-boot.sb: $(OBJTREE)/u-boot.bin $(OBJTREE)/spl/u-boot-spl.bin $(OBJTREE)/u-boot.bd + elftosb -zf $(ELFTOSB_TARGET-y) -c $(OBJTREE)/u-boot.bd -o $(OBJTREE)/u-boot.sb + ######################################################################### # defines $(obj).depend target diff --git a/arch/arm/cpu/arm926ejs/mxs/clock.c b/arch/arm/cpu/arm926ejs/mxs/clock.c index 43e7663..f94107f 100644 --- a/arch/arm/cpu/arm926ejs/mxs/clock.c +++ b/arch/arm/cpu/arm926ejs/mxs/clock.c @@ -325,6 +325,99 @@ void mxs_set_ssp_busclock(unsigned int bus, uint32_t freq) bus, tgtclk, freq); } +void mxs_set_lcdclk(uint32_t freq) +{ + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; + uint32_t fp, x, k_rest, k_best, x_best, tk; + int32_t k_best_l = 999, k_best_t = 0, x_best_l = 0xff, x_best_t = 0xff; + + if (freq == 0) + return; + +#if defined(CONFIG_MX23) + writel(CLKCTRL_CLKSEQ_BYPASS_PIX, &clkctrl_regs->hw_clkctrl_clkseq_clr); +#elif defined(CONFIG_MX28) + writel(CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF, &clkctrl_regs->hw_clkctrl_clkseq_clr); +#endif + + /* + * / 18 \ 1 1 + * freq kHz = | 480000000 Hz * -- | * --- * ------ + * \ x / k 1000 + * + * 480000000 Hz 18 + * ------------ * -- + * freq kHz x + * k = ------------------- + * 1000 + */ + + fp = ((PLL_FREQ_KHZ * 1000) / freq) * 18; + + for (x = 18; x <= 35; x++) { + tk = fp / x; + if ((tk / 1000 == 0) || (tk / 1000 > 255)) + continue; + + k_rest = tk % 1000; + + if (k_rest < (k_best_l % 1000)) { + k_best_l = tk; + x_best_l = x; + } + + if (k_rest > (k_best_t % 1000)) { + k_best_t = tk; + x_best_t = x; + } + } + + if (1000 - (k_best_t % 1000) > (k_best_l % 1000)) { + k_best = k_best_l; + x_best = x_best_l; + } else { + k_best = k_best_t; + x_best = x_best_t; + } + + k_best /= 1000; + +#if defined(CONFIG_MX23) + writeb(CLKCTRL_FRAC_CLKGATE, + &clkctrl_regs->hw_clkctrl_frac0_set[CLKCTRL_FRAC0_PIX]); + writeb(CLKCTRL_FRAC_CLKGATE | (x_best & CLKCTRL_FRAC_FRAC_MASK), + &clkctrl_regs->hw_clkctrl_frac0[CLKCTRL_FRAC0_PIX]); + writeb(CLKCTRL_FRAC_CLKGATE, + &clkctrl_regs->hw_clkctrl_frac0_clr[CLKCTRL_FRAC0_PIX]); + + writel(CLKCTRL_PIX_CLKGATE, + &clkctrl_regs->hw_clkctrl_pix_set); + clrsetbits_le32(&clkctrl_regs->hw_clkctrl_pix, + CLKCTRL_PIX_DIV_MASK | CLKCTRL_PIX_CLKGATE, + k_best << CLKCTRL_PIX_DIV_OFFSET); + + while (readl(&clkctrl_regs->hw_clkctrl_pix) & CLKCTRL_PIX_BUSY) + ; +#elif defined(CONFIG_MX28) + writeb(CLKCTRL_FRAC_CLKGATE, + &clkctrl_regs->hw_clkctrl_frac1_set[CLKCTRL_FRAC1_PIX]); + writeb(CLKCTRL_FRAC_CLKGATE | (x_best & CLKCTRL_FRAC_FRAC_MASK), + &clkctrl_regs->hw_clkctrl_frac1[CLKCTRL_FRAC1_PIX]); + writeb(CLKCTRL_FRAC_CLKGATE, + &clkctrl_regs->hw_clkctrl_frac1_clr[CLKCTRL_FRAC1_PIX]); + + writel(CLKCTRL_DIS_LCDIF_CLKGATE, + &clkctrl_regs->hw_clkctrl_lcdif_set); + clrsetbits_le32(&clkctrl_regs->hw_clkctrl_lcdif, + CLKCTRL_DIS_LCDIF_DIV_MASK | CLKCTRL_DIS_LCDIF_CLKGATE, + k_best << CLKCTRL_DIS_LCDIF_DIV_OFFSET); + + while (readl(&clkctrl_regs->hw_clkctrl_lcdif) & CLKCTRL_DIS_LCDIF_BUSY) + ; +#endif +} + uint32_t mxc_get_clock(enum mxc_clock clk) { switch (clk) { diff --git a/arch/arm/cpu/arm926ejs/mxs/mxs.c b/arch/arm/cpu/arm926ejs/mxs/mxs.c index e2b4196..a5e388b 100644 --- a/arch/arm/cpu/arm926ejs/mxs/mxs.c +++ b/arch/arm/cpu/arm926ejs/mxs/mxs.c @@ -30,7 +30,7 @@ #include <asm/errno.h> #include <asm/io.h> #include <asm/arch/clock.h> -#include <asm/arch/dma.h> +#include <asm/imx-common/dma.h> #include <asm/arch/gpio.h> #include <asm/arch/iomux.h> #include <asm/arch/imx-regs.h> @@ -39,12 +39,6 @@ DECLARE_GLOBAL_DATA_PTR; -/* 1 second delay should be plenty of time for block reset. */ -#define RESET_MAX_TIMEOUT 1000000 - -#define MXS_BLOCK_SFTRST (1 << 31) -#define MXS_BLOCK_CLKGATE (1 << 30) - /* Lowlevel init isn't used on i.MX28, so just have a dummy here */ inline void lowlevel_init(void) {} @@ -82,63 +76,6 @@ void enable_caches(void) #endif } -int mxs_wait_mask_set(struct mxs_register_32 *reg, uint32_t mask, unsigned - int timeout) -{ - while (--timeout) { - if ((readl(®->reg) & mask) == mask) - break; - udelay(1); - } - - return !timeout; -} - -int mxs_wait_mask_clr(struct mxs_register_32 *reg, uint32_t mask, unsigned - int timeout) -{ - while (--timeout) { - if ((readl(®->reg) & mask) == 0) - break; - udelay(1); - } - - return !timeout; -} - -int mxs_reset_block(struct mxs_register_32 *reg) -{ - /* Clear SFTRST */ - writel(MXS_BLOCK_SFTRST, ®->reg_clr); - - if (mxs_wait_mask_clr(reg, MXS_BLOCK_SFTRST, RESET_MAX_TIMEOUT)) - return 1; - - /* Clear CLKGATE */ - writel(MXS_BLOCK_CLKGATE, ®->reg_clr); - - /* Set SFTRST */ - writel(MXS_BLOCK_SFTRST, ®->reg_set); - - /* Wait for CLKGATE being set */ - if (mxs_wait_mask_set(reg, MXS_BLOCK_CLKGATE, RESET_MAX_TIMEOUT)) - return 1; - - /* Clear SFTRST */ - writel(MXS_BLOCK_SFTRST, ®->reg_clr); - - if (mxs_wait_mask_clr(reg, MXS_BLOCK_SFTRST, RESET_MAX_TIMEOUT)) - return 1; - - /* Clear CLKGATE */ - writel(MXS_BLOCK_CLKGATE, ®->reg_clr); - - if (mxs_wait_mask_clr(reg, MXS_BLOCK_CLKGATE, RESET_MAX_TIMEOUT)) - return 1; - - return 0; -} - void mx28_fixup_vt(uint32_t start_addr) { uint32_t *vt = (uint32_t *)0x20; diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c index bc2d69c..07db279 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c @@ -110,6 +110,7 @@ __weak void mxs_adjust_memory_params(uint32_t *dram_vals) { } +#ifdef CONFIG_MX28 static void initialize_dram_values(void) { int i; @@ -118,15 +119,36 @@ static void initialize_dram_values(void) for (i = 0; i < ARRAY_SIZE(dram_vals); i++) writel(dram_vals[i], MXS_DRAM_BASE + (4 * i)); +} +#else +static void initialize_dram_values(void) +{ + int i; + + mxs_adjust_memory_params(dram_vals); + + /* + * HW_DRAM_CTL27, HW_DRAM_CTL28 and HW_DRAM_CTL35 are not initialized as + * per FSL bootlets code. + * + * mx23 Reference Manual marks HW_DRAM_CTL27 and HW_DRAM_CTL28 as + * "reserved". + * HW_DRAM_CTL8 is setup as the last element. + * So skip the initialization of these HW_DRAM_CTL registers. + */ + for (i = 0; i < ARRAY_SIZE(dram_vals); i++) { + if (i == 8 || i == 27 || i == 28 || i == 35) + continue; + writel(dram_vals[i], MXS_DRAM_BASE + (4 * i)); + } -#ifdef CONFIG_MX23 /* * Enable tRAS lockout in HW_DRAM_CTL08 ; it must be the last * element to be set */ writel((1 << 24), MXS_DRAM_BASE + (4 * 8)); -#endif } +#endif static void mxs_mem_init_clock(void) { @@ -234,17 +256,9 @@ static void mx23_mem_setup_vddmem(void) struct mxs_power_regs *power_regs = (struct mxs_power_regs *)MXS_POWER_BASE; - writel((0x10 << POWER_VDDMEMCTRL_TRG_OFFSET) | - POWER_VDDMEMCTRL_ENABLE_ILIMIT | - POWER_VDDMEMCTRL_ENABLE_LINREG | - POWER_VDDMEMCTRL_PULLDOWN_ACTIVE, - &power_regs->hw_power_vddmemctrl); + clrbits_le32(&power_regs->hw_power_vddmemctrl, + POWER_VDDMEMCTRL_ENABLE_ILIMIT); - early_delay(10000); - - writel((0x10 << POWER_VDDMEMCTRL_TRG_OFFSET) | - POWER_VDDMEMCTRL_ENABLE_LINREG, - &power_regs->hw_power_vddmemctrl); } static void mx23_mem_init(void) @@ -267,22 +281,18 @@ static void mx23_mem_init(void) initialize_dram_values(); - /* Set START bit in DRAM_CTL16 */ + /* Set START bit in DRAM_CTL8 */ setbits_le32(MXS_DRAM_BASE + 0x20, 1 << 16); clrbits_le32(MXS_DRAM_BASE + 0x40, 1 << 17); early_delay(20000); /* Adjust EMI port priority. */ - clrsetbits_le32(0x80020000, 0x1f << 16, 0x8); + clrsetbits_le32(0x80020000, 0x1f << 16, 0x2); early_delay(20000); setbits_le32(MXS_DRAM_BASE + 0x40, 1 << 19); setbits_le32(MXS_DRAM_BASE + 0x40, 1 << 11); - - /* Wait for bit 10 (DRAM init complete) in DRAM_CTL18 */ - while (!(readl(MXS_DRAM_BASE + 0x48) & (1 << 10))) - ; } #endif diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c index 287c698..21cac7b 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c @@ -687,6 +687,12 @@ static void mxs_power_configure_power_source(void) mxs_init_batt_bo(); mxs_switch_vddd_to_dcdc_source(); + +#ifdef CONFIG_MX23 + /* Fire up the VDDMEM LinReg now that we're all set. */ + writel(POWER_VDDMEMCTRL_ENABLE_LINREG | POWER_VDDMEMCTRL_ENABLE_ILIMIT, + &power_regs->hw_power_vddmemctrl); +#endif } static void mxs_enable_output_rail_protection(void) @@ -781,7 +787,11 @@ struct mxs_vddx_cfg { static const struct mxs_vddx_cfg mxs_vddio_cfg = { .reg = &(((struct mxs_power_regs *)MXS_POWER_BASE)-> hw_power_vddioctrl), +#if defined(CONFIG_MX23) + .step_mV = 25, +#else .step_mV = 50, +#endif .lowest_mV = 2800, .powered_by_linreg = mxs_get_vddio_power_source_off, .trg_mask = POWER_VDDIOCTRL_TRG_MASK, @@ -804,6 +814,21 @@ static const struct mxs_vddx_cfg mxs_vddd_cfg = { .bo_offset_offset = POWER_VDDDCTRL_BO_OFFSET_OFFSET, }; +#ifdef CONFIG_MX23 +static const struct mxs_vddx_cfg mxs_vddmem_cfg = { + .reg = &(((struct mxs_power_regs *)MXS_POWER_BASE)-> + hw_power_vddmemctrl), + .step_mV = 50, + .lowest_mV = 1700, + .powered_by_linreg = NULL, + .trg_mask = POWER_VDDMEMCTRL_TRG_MASK, + .bo_irq = 0, + .bo_enirq = 0, + .bo_offset_mask = 0, + .bo_offset_offset = 0, +}; +#endif + static void mxs_power_set_vddx(const struct mxs_vddx_cfg *cfg, uint32_t new_target, uint32_t new_brownout) { @@ -821,9 +846,10 @@ static void mxs_power_set_vddx(const struct mxs_vddx_cfg *cfg, cur_target += cfg->lowest_mV; adjust_up = new_target > cur_target; - powered_by_linreg = cfg->powered_by_linreg(); + if (cfg->powered_by_linreg) + powered_by_linreg = cfg->powered_by_linreg(); - if (adjust_up) { + if (adjust_up && cfg->bo_irq) { if (powered_by_linreg) { bo_int = readl(cfg->reg); clrbits_le32(cfg->reg, cfg->bo_enirq); @@ -864,14 +890,16 @@ static void mxs_power_set_vddx(const struct mxs_vddx_cfg *cfg, cur_target += cfg->lowest_mV; } while (new_target > cur_target); - if (adjust_up && powered_by_linreg) { - writel(cfg->bo_irq, &power_regs->hw_power_ctrl_clr); - if (bo_int & cfg->bo_enirq) - setbits_le32(cfg->reg, cfg->bo_enirq); - } + if (cfg->bo_irq) { + if (adjust_up && powered_by_linreg) { + writel(cfg->bo_irq, &power_regs->hw_power_ctrl_clr); + if (bo_int & cfg->bo_enirq) + setbits_le32(cfg->reg, cfg->bo_enirq); + } - clrsetbits_le32(cfg->reg, cfg->bo_offset_mask, - new_brownout << cfg->bo_offset_offset); + clrsetbits_le32(cfg->reg, cfg->bo_offset_mask, + new_brownout << cfg->bo_offset_offset); + } } static void mxs_setup_batt_detect(void) @@ -910,7 +938,9 @@ void mxs_power_init(void) mxs_power_set_vddx(&mxs_vddio_cfg, 3300, 3150); mxs_power_set_vddx(&mxs_vddd_cfg, 1500, 1000); - +#ifdef CONFIG_MX23 + mxs_power_set_vddx(&mxs_vddmem_cfg, 2500, 1700); +#endif writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ | POWER_CTRL_VDDIO_BO_IRQ | POWER_CTRL_VDD5V_DROOP_IRQ | POWER_CTRL_VBUS_VALID_IRQ | POWER_CTRL_BATT_BO_IRQ | diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-imx23.bd b/arch/arm/cpu/arm926ejs/mxs/u-boot-imx23.bd index 3a51879..8b6c30e 100644 --- a/arch/arm/cpu/arm926ejs/mxs/u-boot-imx23.bd +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-imx23.bd @@ -4,8 +4,8 @@ options { } sources { - u_boot_spl="spl/u-boot-spl.bin"; - u_boot="u-boot.bin"; + u_boot_spl="OBJTREE/spl/u-boot-spl.bin"; + u_boot="OBJTREE/u-boot.bin"; } section (0) { diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-imx28.bd b/arch/arm/cpu/arm926ejs/mxs/u-boot-imx28.bd index c60615a..a5fa648 100644 --- a/arch/arm/cpu/arm926ejs/mxs/u-boot-imx28.bd +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-imx28.bd @@ -1,6 +1,6 @@ sources { - u_boot_spl="spl/u-boot-spl.bin"; - u_boot="u-boot.bin"; + u_boot_spl="OBJTREE/spl/u-boot-spl.bin"; + u_boot="OBJTREE/u-boot.bin"; } section (0) { diff --git a/arch/arm/cpu/armv7/mx5/Makefile b/arch/arm/cpu/armv7/mx5/Makefile index ecd1184..e05fae9 100644 --- a/arch/arm/cpu/armv7/mx5/Makefile +++ b/arch/arm/cpu/armv7/mx5/Makefile @@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS = soc.o clock.o iomux.o +COBJS = soc.o clock.o SOBJS = lowlevel_init.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c index 76c2c52..431756e 100644 --- a/arch/arm/cpu/armv7/mx5/clock.c +++ b/arch/arm/cpu/armv7/mx5/clock.c @@ -739,10 +739,11 @@ static int config_core_clk(u32 ref, u32 freq) static int config_nfc_clk(u32 nfc_clk) { u32 parent_rate = get_emi_slow_clk(); - u32 div = parent_rate / nfc_clk; + u32 div; - if (nfc_clk <= 0) + if (nfc_clk == 0) return -EINVAL; + div = parent_rate / nfc_clk; if (div == 0) div++; if (parent_rate / div > NFC_CLK_MAX) @@ -755,6 +756,15 @@ static int config_nfc_clk(u32 nfc_clk) return 0; } +void enable_nfc_clk(unsigned char enable) +{ + unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF; + + clrsetbits_le32(&mxc_ccm->CCGR5, + MXC_CCM_CCGR5_EMI_ENFC(MXC_CCM_CCGR_CG_MASK), + MXC_CCM_CCGR5_EMI_ENFC(cg)); +} + /* Config main_bus_clock for periphs */ static int config_periph_clk(u32 ref, u32 freq) { diff --git a/arch/arm/cpu/armv7/mx5/iomux.c b/arch/arm/cpu/armv7/mx5/iomux.c deleted file mode 100644 index d4e3bbb..0000000 --- a/arch/arm/cpu/armv7/mx5/iomux.c +++ /dev/null @@ -1,186 +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/mx5x_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 + INPUT_CTL_START, -}; - -#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 defined(CONFIG_MX51) - 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; - } -#endif - 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 defined(CONFIG_MX51) - 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; - } -#endif - pad_reg += IOMUXSW_PAD_CTL; - return pad_reg; -} - -/* Get the last iomux register address */ -static inline u32 get_mux_end(void) -{ -#if defined(CONFIG_MX51) - if (is_soc_rev(CHIP_REV_2_0) < 0) - return IOMUXC_BASE_ADDR + (0x3F8 - 4); - else - return IOMUXC_BASE_ADDR + (0x3F0 - 4); -#endif - return IOMUXSW_MUX_END; -} - -/* - * 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); -} - -/* - * This function configures daisy-chain - * - * @param input index of input select register - * @param config the binary value of elements - */ -void mxc_iomux_set_input(iomux_input_select_t input, u32 config) -{ - u32 reg = IOMUXSW_INPUT_CTL + (input << 2); - - writel(config, reg); -} diff --git a/arch/arm/cpu/armv7/mx5/soc.c b/arch/arm/cpu/armv7/mx5/soc.c index 263658a..3d50a5d 100644 --- a/arch/arm/cpu/armv7/mx5/soc.c +++ b/arch/arm/cpu/armv7/mx5/soc.c @@ -72,6 +72,13 @@ u32 get_cpu_rev(void) return system_rev; } +#ifdef CONFIG_REVISION_TAG +u32 __weak get_board_rev(void) +{ + return get_cpu_rev(); +} +#endif + #ifndef CONFIG_SYS_DCACHE_OFF void enable_caches(void) { diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index a50db70..3c0d908 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -37,6 +37,20 @@ enum pll_clocks { struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; +#ifdef CONFIG_MXC_OCOTP +void enable_ocotp_clk(unsigned char enable) +{ + u32 reg; + + reg = __raw_readl(&imx_ccm->CCGR2); + if (enable) + reg |= MXC_CCM_CCGR2_OCOTP_CTRL_MASK; + else + reg &= ~MXC_CCM_CCGR2_OCOTP_CTRL_MASK; + __raw_writel(reg, &imx_ccm->CCGR2); +} +#endif + void enable_usboh3_clk(unsigned char enable) { u32 reg; @@ -186,12 +200,16 @@ static u32 get_ipg_per_clk(void) static u32 get_uart_clk(void) { u32 reg, uart_podf; - + u32 freq = PLL3_80M; reg = __raw_readl(&imx_ccm->cscdr1); +#ifdef CONFIG_MX6SL + if (reg & MXC_CCM_CSCDR1_UART_CLK_SEL) + freq = MXC_HCLK; +#endif reg &= MXC_CCM_CSCDR1_UART_CLK_PODF_MASK; uart_podf = reg >> MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET; - return PLL3_80M / (uart_podf + 1); + return freq / (uart_podf + 1); } static u32 get_cspi_clk(void) @@ -252,6 +270,35 @@ static u32 get_emi_slow_clk(void) return root_freq / (emi_slow_pof + 1); } +#ifdef CONFIG_MX6SL +static u32 get_mmdc_ch0_clk(void) +{ + u32 cbcmr = __raw_readl(&imx_ccm->cbcmr); + u32 cbcdr = __raw_readl(&imx_ccm->cbcdr); + u32 freq, podf; + + podf = (cbcdr & MXC_CCM_CBCDR_MMDC_CH1_PODF_MASK) \ + >> MXC_CCM_CBCDR_MMDC_CH1_PODF_OFFSET; + + switch ((cbcmr & MXC_CCM_CBCMR_PRE_PERIPH2_CLK_SEL_MASK) >> + MXC_CCM_CBCMR_PRE_PERIPH2_CLK_SEL_OFFSET) { + case 0: + freq = decode_pll(PLL_BUS, MXC_HCLK); + break; + case 1: + freq = PLL2_PFD2_FREQ; + break; + case 2: + freq = PLL2_PFD0_FREQ; + break; + case 3: + freq = PLL2_PFD2_DIV_FREQ; + } + + return freq / (podf + 1); + +} +#else static u32 get_mmdc_ch0_clk(void) { u32 cbcdr = __raw_readl(&imx_ccm->cbcdr); @@ -260,6 +307,7 @@ static u32 get_mmdc_ch0_clk(void) return get_periph_clk() / (mmdc_ch0_podf + 1); } +#endif static u32 get_usdhc_clk(u32 port) { diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 2ea8ca3..fc436fb 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -30,6 +30,7 @@ #include <asm/arch/clock.h> #include <asm/arch/sys_proto.h> #include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/dma.h> #include <stdbool.h> struct scu_regs { @@ -151,6 +152,12 @@ int arch_cpu_init(void) set_vddsoc(1200); /* Set VDDSOC to 1.2V */ imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */ + +#ifdef CONFIG_APBH_DMA + /* Start APBH DMA */ + mxs_dma_init(); +#endif + return 0; } @@ -165,8 +172,8 @@ void enable_caches(void) #if defined(CONFIG_FEC_MXC) void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) { - struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE; - struct fuse_bank *bank = &iim->bank[4]; + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[4]; struct fuse_bank4_regs *fuse = (struct fuse_bank4_regs *)bank->fuse_regs; |