diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c | 177 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/clock.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c | 8 | ||||
| -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 |
13 files changed, 368 insertions, 215 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/Makefile b/arch/arm/cpu/arm926ejs/at91/Makefile index 346e58faee..c4408f6c9d 100644 --- a/arch/arm/cpu/arm926ejs/at91/Makefile +++ b/arch/arm/cpu/arm926ejs/at91/Makefile @@ -35,6 +35,7 @@ COBJS-$(CONFIG_AT91SAM9263) += at91sam9263_devices.o COBJS-$(CONFIG_AT91SAM9RL) += at91sam9rl_devices.o COBJS-$(CONFIG_AT91SAM9M10G45) += at91sam9m10g45_devices.o COBJS-$(CONFIG_AT91SAM9G45) += at91sam9m10g45_devices.o +COBJS-$(CONFIG_AT91SAM9N12) += at91sam9n12_devices.o COBJS-$(CONFIG_AT91SAM9X5) += at91sam9x5_devices.o COBJS-$(CONFIG_AT91_EFLASH) += eflash.o COBJS-$(CONFIG_AT91_LED) += led.o diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c index 19ec615c72..5e995e1d07 100644 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c @@ -203,6 +203,10 @@ void at91_macb_hw_init(void) #if defined(CONFIG_GENERIC_ATMEL_MCI) void at91_mci_hw_init(void) { + /* Enable mci clock */ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + writel(1 << ATMEL_ID_MCI, &pmc->pcer); + at91_set_a_periph(AT91_PIO_PORTA, 8, 1); /* MCCK */ #if defined(CONFIG_ATMEL_MCI_PORTB) at91_set_b_periph(AT91_PIO_PORTA, 1, 1); /* MCCDB */ diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c new file mode 100644 index 0000000000..6eaeac0fc2 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c @@ -0,0 +1,177 @@ +/* + * (C) Copyright 2013 Atmel Corporation + * Josh Wu <josh.wu@atmel.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_pio.h> + +unsigned int has_lcdc() +{ + return 1; +} + +void at91_serial0_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD0 */ + at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD0 */ + writel(1 << ATMEL_ID_USART0, &pmc->pcer); +} + +void at91_serial1_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD1 */ + at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD1 */ + writel(1 << ATMEL_ID_USART1, &pmc->pcer); +} + +void at91_serial2_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD2 */ + at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD2 */ + writel(1 << ATMEL_ID_USART2, &pmc->pcer); +} + +void at91_serial3_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_b_periph(AT91_PIO_PORTC, 22, 1); /* TXD3 */ + at91_set_b_periph(AT91_PIO_PORTC, 23, 0); /* RXD3 */ + writel(1 << ATMEL_ID_USART3, &pmc->pcer); +} + +void at91_seriald_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */ + at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */ + writel(1 << ATMEL_ID_SYS, &pmc->pcer); +} + +#ifdef CONFIG_ATMEL_SPI +void at91_spi0_hw_init(unsigned long cs_mask) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */ + at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */ + at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */ + + /* Enable clock */ + writel(1 << ATMEL_ID_SPI0, &pmc->pcer); + + if (cs_mask & (1 << 0)) + at91_set_pio_output(AT91_PIO_PORTA, 14, 1); + if (cs_mask & (1 << 1)) + at91_set_pio_output(AT91_PIO_PORTA, 7, 1); + if (cs_mask & (1 << 2)) + at91_set_pio_output(AT91_PIO_PORTA, 1, 1); + if (cs_mask & (1 << 3)) + at91_set_pio_output(AT91_PIO_PORTB, 3, 1); +} + +void at91_spi1_hw_init(unsigned long cs_mask) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */ + at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */ + at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */ + + /* Enable clock */ + writel(1 << ATMEL_ID_SPI1, &pmc->pcer); + + if (cs_mask & (1 << 0)) + at91_set_pio_output(AT91_PIO_PORTA, 8, 1); + if (cs_mask & (1 << 1)) + at91_set_pio_output(AT91_PIO_PORTA, 0, 1); + if (cs_mask & (1 << 2)) + at91_set_pio_output(AT91_PIO_PORTA, 31, 1); + if (cs_mask & (1 << 3)) + at91_set_pio_output(AT91_PIO_PORTA, 30, 1); +} +#endif + +void at91_mci_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* MCCK */ + at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* MCCDA */ + at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* MCDA0 */ + at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* MCDA1 */ + at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* MCDA2 */ + at91_set_a_periph(AT91_PIO_PORTA, 20, 0); /* MCDA3 */ + + writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer); +} + +#ifdef CONFIG_LCD +void at91_lcd_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDPWR */ + at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDVSYNC */ + at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDHSYNC */ + at91_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDDOTCK */ + at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDEN */ + at91_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDDOTCK */ + + at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDD0 */ + at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDD1 */ + at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDD2 */ + at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDD3 */ + at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD4 */ + at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD5 */ + at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD6 */ + at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD7 */ + at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD8 */ + at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD9 */ + at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD10 */ + at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD11 */ + at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDD12 */ + at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD13 */ + at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD14 */ + at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD15 */ + at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD16 */ + at91_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDD17 */ + at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD18 */ + at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD19 */ + at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD20 */ + at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD21 */ + at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD22 */ + at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD23 */ + + writel(1 << ATMEL_ID_LCDC, &pmc->pcer); +} +#endif diff --git a/arch/arm/cpu/arm926ejs/at91/clock.c b/arch/arm/cpu/arm926ejs/at91/clock.c index f825388ae9..5b4923f3bf 100644 --- a/arch/arm/cpu/arm926ejs/at91/clock.c +++ b/arch/arm/cpu/arm926ejs/at91/clock.c @@ -156,7 +156,7 @@ int at91_clock_init(unsigned long main_clock) */ mckr = readl(&pmc->mckr); #if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ - || defined(CONFIG_AT91SAM9X5) + || defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5) /* plla divisor by 2 */ gd->arch.plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12)); #endif @@ -171,7 +171,7 @@ int at91_clock_init(unsigned long main_clock) if (mckr & AT91_PMC_MCKR_MDIV_MASK) freq /= 2; /* processor clock division */ #elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ - || defined(CONFIG_AT91SAM9X5) + || defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5) /* mdiv <==> divisor * 0 <==> 1 * 1 <==> 2 diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c index ff2e2e33df..127beb86bc 100644 --- a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c +++ b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c @@ -32,6 +32,14 @@ #include <asm/arch/emif_defs.h> #include <asm/arch/pll_defs.h> +void davinci_enable_uart0(void) +{ + lpsc_on(DAVINCI_LPSC_UART0); + + /* Bringup UART0 out of reset */ + REG(UART0_PWREMU_MGMT) = 0x00006001; +} + #if defined(CONFIG_SYS_DA850_PLL_INIT) void da850_waitloop(unsigned long loopcnt) { diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c index 679273b2b4..7cbbe65784 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 eeecf89f8b..038c1c1d82 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 43e766334c..f94107fc15 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 e2b41965db..a5e388b5ad 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 bc2d69c857..07db27927f 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 287c698ff7..21cac7b332 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 3a51879d5e..8b6c30e8e9 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 c60615a456..a5fa6483a9 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) { |