diff options
author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
---|---|---|
committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/board/syteco | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/board/syteco')
-rw-r--r-- | roms/u-boot/board/syteco/jadecpu/Makefile | 13 | ||||
-rw-r--r-- | roms/u-boot/board/syteco/jadecpu/jadecpu.c | 160 | ||||
-rw-r--r-- | roms/u-boot/board/syteco/jadecpu/lowlevel_init.S | 249 | ||||
-rw-r--r-- | roms/u-boot/board/syteco/zmx25/Makefile | 9 | ||||
-rw-r--r-- | roms/u-boot/board/syteco/zmx25/lowlevel_init.S | 97 | ||||
-rw-r--r-- | roms/u-boot/board/syteco/zmx25/zmx25.c | 174 |
6 files changed, 702 insertions, 0 deletions
diff --git a/roms/u-boot/board/syteco/jadecpu/Makefile b/roms/u-boot/board/syteco/jadecpu/Makefile new file mode 100644 index 00000000..74264361 --- /dev/null +++ b/roms/u-boot/board/syteco/jadecpu/Makefile @@ -0,0 +1,13 @@ +# +# (C) Copyright 2003-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2008 +# Stelian Pop <stelian@popies.net> +# Lead Tech Design <www.leadtechdesign.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += jadecpu.o +obj-y += lowlevel_init.o diff --git a/roms/u-boot/board/syteco/jadecpu/jadecpu.c b/roms/u-boot/board/syteco/jadecpu/jadecpu.c new file mode 100644 index 00000000..6c60a41e --- /dev/null +++ b/roms/u-boot/board/syteco/jadecpu/jadecpu.c @@ -0,0 +1,160 @@ +/* + * (c) 2010 Graf-Syteco, Matthias Weisser + * <weisserm@arcor.de> + * + * (C) Copyright 2007, mycable GmbH + * Carsten Schneider <cs@mycable.de>, Alexander Bigga <ab@mycable.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/arch/mb86r0x.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Miscellaneous platform dependent initialisations + */ +int board_init(void) +{ + struct mb86r0x_ccnt * ccnt = (struct mb86r0x_ccnt *) + MB86R0x_CCNT_BASE; + + /* We select mode 0 for group 2 and mode 1 for group 4 */ + writel(0x00000010, &ccnt->cmux_md); + + gd->flags = 0; + gd->bd->bi_boot_params = PHYS_SDRAM + PHYS_SDRAM_SIZE - 0x10000; + + icache_enable(); + dcache_enable(); + + return 0; +} + +static void setup_display_power(uint32_t pwr_bit, char *pwm_opts, + unsigned long pwm_base) +{ + struct mb86r0x_gpio *gpio = (struct mb86r0x_gpio *) + MB86R0x_GPIO_BASE; + struct mb86r0x_pwm *pwm = (struct mb86r0x_pwm *) pwm_base; + const char *e; + + writel(readl(&gpio->gpdr2) | pwr_bit, &gpio->gpdr2); + + e = getenv(pwm_opts); + if (e != NULL) { + const char *s; + uint32_t freq, init; + + freq = 0; + init = 0; + + s = strchr(e, 'f'); + if (s != NULL) + freq = simple_strtol(s + 2, NULL, 0); + + s = strchr(e, 'i'); + if (s != NULL) + init = simple_strtol(s + 2, NULL, 0); + + if (freq > 0) { + writel(CONFIG_MB86R0x_IOCLK / 1000 / freq, + &pwm->bcr); + writel(1002, &pwm->tpr); + writel(1, &pwm->pr); + writel(init * 10 + 1, &pwm->dr); + writel(1, &pwm->cr); + writel(1, &pwm->sr); + } + } +} + +int board_late_init(void) +{ + struct mb86r0x_gpio *gpio = (struct mb86r0x_gpio *) + MB86R0x_GPIO_BASE; + uint32_t in_word; + +#ifdef CONFIG_VIDEO_MB86R0xGDC + /* Check if we have valid display settings and turn on power if so */ + /* Display 0 */ + if (getenv("gs_dsp_0_param") || getenv("videomode")) + setup_display_power((1 << 3), "gs_dsp_0_pwm", + MB86R0x_PWM0_BASE); + + /* The corresponding GPIO is always an output */ + writel(readl(&gpio->gpddr2) | (1 << 3), &gpio->gpddr2); + + /* Display 1 */ + if (getenv("gs_dsp_1_param") || getenv("videomode1")) + setup_display_power((1 << 4), "gs_dsp_1_pwm", + MB86R0x_PWM1_BASE); + + /* The corresponding GPIO is always an output */ + writel(readl(&gpio->gpddr2) | (1 << 4), &gpio->gpddr2); +#endif /* CONFIG_VIDEO_MB86R0xGDC */ + + /* 5V enable */ + writel(readl(&gpio->gpdr1) & ~(1 << 5), &gpio->gpdr1); + writel(readl(&gpio->gpddr1) | (1 << 5), &gpio->gpddr1); + + /* We have special boot options if told by GPIOs */ + in_word = readl(&gpio->gpdr1); + + if ((in_word & 0xC0) == 0xC0) { + setenv("stdin", "serial"); + setenv("stdout", "serial"); + setenv("stderr", "serial"); + setenv("preboot", "run gs_slow_boot"); + } else if ((in_word & 0xC0) != 0) { + setenv("stdout", "vga"); + setenv("preboot", "run gs_slow_boot"); + } else { + setenv("stdin", "serial"); + setenv("stdout", "serial"); + setenv("stderr", "serial"); + if (getenv("gs_devel")) { + setenv("preboot", "run gs_slow_boot"); + } else { + setenv("preboot", "run gs_fast_boot"); + } + } + + return 0; +} + +int misc_init_r(void) +{ + return 0; +} + +/* + * DRAM configuration + */ +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, + PHYS_SDRAM_SIZE); + + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM; + gd->bd->bi_dram[0].size = gd->ram_size; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} diff --git a/roms/u-boot/board/syteco/jadecpu/lowlevel_init.S b/roms/u-boot/board/syteco/jadecpu/lowlevel_init.S new file mode 100644 index 00000000..9568cec9 --- /dev/null +++ b/roms/u-boot/board/syteco/jadecpu/lowlevel_init.S @@ -0,0 +1,249 @@ +/* + * Board specific setup info + * + * (C) Copyright 2007, mycable GmbH + * Carsten Schneider <cs@mycable.de>, Alexander Bigga <ab@mycable.de> + * + * (C) Copyright 2003, ARM Ltd. + * Philippe Robin, <philippe.robin@arm.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <version.h> +#include <asm/macro.h> +#include <asm/arch/mb86r0x.h> +#include <generated/asm-offsets.h> + +/* Set up the platform, once the cpu has been initialized */ +.globl lowlevel_init +lowlevel_init: +/* + * Initialize Clock Reset Generator (CRG) + */ + + ldr r0, =MB86R0x_CRG_BASE + + /* Not change the initial value that is set by external pin.*/ +WAIT_PLL: + ldr r2, [r0, #CRG_CRPR] /* Wait for PLLREADY */ + tst r2, #MB86R0x_CRG_CRPR_PLLRDY + beq WAIT_PLL + + /* Set clock gate control */ + ldr r1, =CONFIG_SYS_CRG_CRHA_INIT + str r1, [r0, #CRG_CRHA] + ldr r1, =CONFIG_SYS_CRG_CRPA_INIT + str r1, [r0, #CRG_CRPA] + ldr r1, =CONFIG_SYS_CRG_CRPB_INIT + str r1, [r0, #CRG_CRPB] + ldr r1, =CONFIG_SYS_CRG_CRHB_INIT + str r1, [r0, #CRG_CRHB] + ldr r1, =CONFIG_SYS_CRG_CRAM_INIT + str r1, [r0, #CRG_CRAM] + +/* + * Initialize External Bus Interface + */ + ldr r0, =MB86R0x_MEMC_BASE + + ldr r1, =CONFIG_SYS_MEMC_MCFMODE0_INIT + str r1, [r0, #MEMC_MCFMODE0] + ldr r1, =CONFIG_SYS_MEMC_MCFMODE2_INIT + str r1, [r0, #MEMC_MCFMODE2] + ldr r1, =CONFIG_SYS_MEMC_MCFMODE4_INIT + str r1, [r0, #MEMC_MCFMODE4] + + ldr r1, =CONFIG_SYS_MEMC_MCFTIM0_INIT + str r1, [r0, #MEMC_MCFTIM0] + ldr r1, =CONFIG_SYS_MEMC_MCFTIM2_INIT + str r1, [r0, #MEMC_MCFTIM2] + ldr r1, =CONFIG_SYS_MEMC_MCFTIM4_INIT + str r1, [r0, #MEMC_MCFTIM4] + + ldr r1, =CONFIG_SYS_MEMC_MCFAREA0_INIT + str r1, [r0, #MEMC_MCFAREA0] + ldr r1, =CONFIG_SYS_MEMC_MCFAREA2_INIT + str r1, [r0, #MEMC_MCFAREA2] + ldr r1, =CONFIG_SYS_MEMC_MCFAREA4_INIT + str r1, [r0, #MEMC_MCFAREA4] + +/* + * Initialize DDR2 Controller + */ + + /* Wait for PLL LOCK up time or more */ + wait_timer 20 + + /* + * (2) Initialize DDRIF + */ + ldr r0, =MB86R0x_DDR2_BASE + ldr r1, =CONFIG_SYS_DDR2_DRIMS_INIT + strh r1, [r0, #DDR2_DRIMS] + + /* + * (3) Wait for 20MCKPs(120nsec) or more + */ + wait_timer 20 + + /* + * (4) IRESET/IUSRRST release + */ + ldr r0, =MB86R0x_CCNT_BASE + ldr r1, =CONFIG_SYS_CCNT_CDCRC_INIT_1 + str r1, [r0, #CCNT_CDCRC] + + /* + * (5) Wait for 20MCKPs(120nsec) or more + */ + wait_timer 20 + + /* + * (6) IDLLRST release + */ + ldr r0, =MB86R0x_CCNT_BASE + ldr r1, =CONFIG_SYS_CCNT_CDCRC_INIT_2 + str r1, [r0, #CCNT_CDCRC] + + /* + * (7+8) Wait for 200us(=200000ns) or more (DDR2 Spec) + */ + wait_timer 33536 + + /* + * (9) MCKE ON + */ + ldr r0, =MB86R0x_DDR2_BASE + ldr r1, =CONFIG_SYS_DDR2_DRIC1_INIT + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_DRIC2_INIT + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =CONFIG_SYS_DDR2_DRCA_INIT + strh r1, [r0, #DDR2_DRCA] + ldr r1, =MB86R0x_DDR2_DRCI_INIT + strh r1, [r0, #DDR2_DRIC] + + /* + * (10) Initialize SDRAM + */ + + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + wait_timer 67 /* 400ns wait */ + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_1 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_1 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_2 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_2 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_3 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_3 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_4 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_4 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_5 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_5 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + wait_timer 200 + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_6 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_6 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_7 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_7 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + wait_timer 18 /* 105ns wait */ + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_8 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_8 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + wait_timer 200 /* MRS to OCD: 200clock */ + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_9 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_9 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_10 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_10 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_DRCM_INIT + strh r1, [r0, #DDR2_DRCM] + + ldr r1, =CONFIG_SYS_DDR2_DRCST1_INIT + strh r1, [r0, #DDR2_DRCST1] + + ldr r1, =CONFIG_SYS_DDR2_DRCST2_INIT + strh r1, [r0, #DDR2_DRCST2] + + ldr r1, =CONFIG_SYS_DDR2_DRCR_INIT + strh r1, [r0, #DDR2_DRCR] + + ldr r1, =CONFIG_SYS_DDR2_DRCF_INIT + strh r1, [r0, #DDR2_DRCF] + + ldr r1, =CONFIG_SYS_DDR2_DRASR_INIT + strh r1, [r0, #DDR2_DRASR] + + /* + * (11) ODT setting + */ + ldr r1, =CONFIG_SYS_DDR2_DROBS_INIT + strh r1, [r0, #DDR2_DROBS] + ldr r1, =CONFIG_SYS_DDR2_DROABA_INIT + strh r1, [r0, #DDR2_DROABA] + ldr r1, =CONFIG_SYS_DDR2_DRIBSODT1_INIT + strh r1, [r0, #DDR2_DRIBSODT1] + + /* + * (12) Shift to ODTCONT ON (SDRAM side) and DDR2 usual operation mode + */ + ldr r1, =CONFIG_SYS_DDR2_DROS_INIT + strh r1, [r0, #DDR2_DROS] + ldr r1, =MB86R0x_DDR2_DRCI_NORMAL + strh r1, [r0, #DDR2_DRIC] + + mov pc, lr diff --git a/roms/u-boot/board/syteco/zmx25/Makefile b/roms/u-boot/board/syteco/zmx25/Makefile new file mode 100644 index 00000000..d5edb48a --- /dev/null +++ b/roms/u-boot/board/syteco/zmx25/Makefile @@ -0,0 +1,9 @@ +# +# (c) 2010 Graf-Syteco, Matthias Weisser +# <weisserm@arcor.de> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += zmx25.o +obj-y += lowlevel_init.o diff --git a/roms/u-boot/board/syteco/zmx25/lowlevel_init.S b/roms/u-boot/board/syteco/zmx25/lowlevel_init.S new file mode 100644 index 00000000..5eccf09a --- /dev/null +++ b/roms/u-boot/board/syteco/zmx25/lowlevel_init.S @@ -0,0 +1,97 @@ +/* + * (C) Copyright 2011 + * Matthias Weisser <weisserm@arcor.de> + * + * (C) Copyright 2009 DENX Software Engineering + * Author: John Rigby <jrigby@gmail.com> + * + * Based on U-Boot and RedBoot sources for several different i.mx + * platforms. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/macro.h> +#include <asm/arch/macro.h> +#include <asm/arch/imx-regs.h> +#include <generated/asm-offsets.h> + +/* + * clocks + */ +.macro init_clocks + + /* disable clock output */ + write32 IMX_CCM_BASE + CCM_MCR, 0x00000000 + write32 IMX_CCM_BASE + CCM_CCTL, 0x50030000 + + /* + * enable all implemented clocks in all three + * clock control registers + */ + write32 IMX_CCM_BASE + CCM_CGCR0, 0x1fffffff + write32 IMX_CCM_BASE + CCM_CGCR1, 0xffffffff + write32 IMX_CCM_BASE + CCM_CGCR2, 0xfffff + + /* Devide NAND clock by 32 */ + write32 IMX_CCM_BASE + CCM_PCDR2, 0x0101011F +.endm + +/* + * sdram controller init + */ +.macro init_lpddr + ldr r0, =IMX_ESDRAMC_BASE + ldr r2, =IMX_SDRAM_BANK0_BASE + + /* + * reset SDRAM controller + * then wait for initialization to complete + */ + ldr r1, =(1 << 1) | (1 << 2) + str r1, [r0, #ESDRAMC_ESDMISC] +1: ldr r3, [r0, #ESDRAMC_ESDMISC] + tst r3, #(1 << 31) + beq 1b + ldr r1, =(1 << 2) + str r1, [r0, #ESDRAMC_ESDMISC] + + ldr r1, =0x002a7420 + str r1, [r0, #ESDRAMC_ESDCFG0] + + /* control | precharge */ + ldr r1, =0x92216008 + str r1, [r0, #ESDRAMC_ESDCTL0] + /* dram command encoded in address */ + str r1, [r2, #0x400] + + /* auto refresh */ + ldr r1, =0xa2216008 + str r1, [r0, #ESDRAMC_ESDCTL0] + /* read dram twice to auto refresh */ + ldr r3, [r2] + ldr r3, [r2] + + /* control | load mode */ + ldr r1, =0xb2216008 + str r1, [r0, #ESDRAMC_ESDCTL0] + + /* mode register of lpddram */ + strb r1, [r2, #0x33] + + /* extended mode register of lpddrram */ + ldr r2, =0x81000000 + strb r1, [r2] + + /* control | normal */ + ldr r1, =0x82216008 + str r1, [r0, #ESDRAMC_ESDCTL0] +.endm + +.globl lowlevel_init +lowlevel_init: + init_aips + init_max + init_clocks + init_lpddr + mov pc, lr diff --git a/roms/u-boot/board/syteco/zmx25/zmx25.c b/roms/u-boot/board/syteco/zmx25/zmx25.c new file mode 100644 index 00000000..bdbf02a0 --- /dev/null +++ b/roms/u-boot/board/syteco/zmx25/zmx25.c @@ -0,0 +1,174 @@ +/* + * (c) 2011 Graf-Syteco, Matthias Weisser + * <weisserm@arcor.de> + * + * Based on tx25.c: + * (C) Copyright 2009 DENX Software Engineering + * Author: John Rigby <jrigby@gmail.com> + * + * Based on imx27lite.c: + * Copyright (C) 2008,2009 Eric Jarrige <jorasse@users.sourceforge.net> + * Copyright (C) 2009 Ilya Yanok <yanok@emcraft.com> + * And: + * RedBoot tx25_misc.c Copyright (C) 2009 Red Hat + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux-mx25.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_init() +{ + static const iomux_v3_cfg_t sdhc1_pads[] = { + NEW_PAD_CTRL(MX25_PAD_SD1_CMD__SD1_CMD, NO_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_SD1_CLK__SD1_CLK, NO_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_SD1_DATA0__SD1_DATA0, NO_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_SD1_DATA1__SD1_DATA1, NO_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_SD1_DATA2__SD1_DATA2, NO_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_SD1_DATA3__SD1_DATA3, NO_PAD_CTRL), + }; + + static const iomux_v3_cfg_t dig_out_pads[] = { + MX25_PAD_CSI_D8__GPIO_1_7, /* Ouput 1 Ctrl */ + MX25_PAD_CSI_D7__GPIO_1_6, /* Ouput 2 Ctrl */ + NEW_PAD_CTRL(MX25_PAD_CSI_D6__GPIO_1_31, 0), /* Ouput 1 Stat */ + NEW_PAD_CTRL(MX25_PAD_CSI_D5__GPIO_1_30, 0), /* Ouput 2 Stat */ + }; + + static const iomux_v3_cfg_t led_pads[] = { + MX25_PAD_CSI_D9__GPIO_4_21, + MX25_PAD_CSI_D4__GPIO_1_29, + }; + + static const iomux_v3_cfg_t can_pads[] = { + NEW_PAD_CTRL(MX25_PAD_GPIO_A__CAN1_TX, NO_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_GPIO_B__CAN1_RX, NO_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_GPIO_C__CAN2_TX, NO_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_GPIO_D__CAN2_RX, NO_PAD_CTRL), + }; + + static const iomux_v3_cfg_t i2c3_pads[] = { + MX25_PAD_CSPI1_SS1__I2C3_DAT, + MX25_PAD_GPIO_E__I2C3_CLK, + }; + + icache_enable(); + + /* Setup of core voltage selection pin to run at 1.4V */ + imx_iomux_v3_setup_pad(MX25_PAD_EXT_ARMCLK__GPIO_3_15); /* VCORE */ + gpio_direction_output(IMX_GPIO_NR(3, 15), 1); + + /* Setup of SD card pins*/ + imx_iomux_v3_setup_multiple_pads(sdhc1_pads, ARRAY_SIZE(sdhc1_pads)); + + /* Setup of digital output for USB power and OC */ + imx_iomux_v3_setup_pad(MX25_PAD_CSI_D3__GPIO_1_28); /* USB Power */ + gpio_direction_output(IMX_GPIO_NR(1, 28), 1); + + imx_iomux_v3_setup_pad(MX25_PAD_CSI_D2__GPIO_1_27); /* USB OC */ + gpio_direction_input(IMX_GPIO_NR(1, 18)); + + /* Setup of digital output control pins */ + imx_iomux_v3_setup_multiple_pads(dig_out_pads, + ARRAY_SIZE(dig_out_pads)); + + /* Switch both output drivers off */ + gpio_direction_output(IMX_GPIO_NR(1, 7), 0); + gpio_direction_output(IMX_GPIO_NR(1, 6), 0); + + /* Setup of key input pin */ + imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX25_PAD_KPP_ROW0__GPIO_2_29, 0)); + gpio_direction_input(IMX_GPIO_NR(2, 29)); + + /* Setup of status LED outputs */ + imx_iomux_v3_setup_multiple_pads(led_pads, ARRAY_SIZE(led_pads)); + + /* Switch both LEDs off */ + gpio_direction_output(IMX_GPIO_NR(4, 21), 0); + gpio_direction_output(IMX_GPIO_NR(1, 29), 0); + + /* Setup of CAN1 and CAN2 signals */ + imx_iomux_v3_setup_multiple_pads(can_pads, ARRAY_SIZE(can_pads)); + + /* Setup of I2C3 signals */ + imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads)); + + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int board_late_init(void) +{ + const char *e; + +#ifdef CONFIG_FEC_MXC +/* + * FIXME: need to revisit this + * The original code enabled PUE and 100-k pull-down without PKE, so the right + * value here is likely: + * 0 for no pull + * or: + * PAD_CTL_PUS_100K_DOWN for 100-k pull-down + */ +#define FEC_OUT_PAD_CTRL 0 + + static const iomux_v3_cfg_t fec_pads[] = { + MX25_PAD_FEC_TX_CLK__FEC_TX_CLK, + MX25_PAD_FEC_RX_DV__FEC_RX_DV, + MX25_PAD_FEC_RDATA0__FEC_RDATA0, + NEW_PAD_CTRL(MX25_PAD_FEC_TDATA0__FEC_TDATA0, FEC_OUT_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_FEC_TX_EN__FEC_TX_EN, FEC_OUT_PAD_CTRL), + NEW_PAD_CTRL(MX25_PAD_FEC_MDC__FEC_MDC, FEC_OUT_PAD_CTRL), + MX25_PAD_FEC_MDIO__FEC_MDIO, + MX25_PAD_FEC_RDATA1__FEC_RDATA1, + NEW_PAD_CTRL(MX25_PAD_FEC_TDATA1__FEC_TDATA1, FEC_OUT_PAD_CTRL), + + MX25_PAD_UPLL_BYPCLK__GPIO_3_16, /* LAN-RESET */ + MX25_PAD_UART2_CTS__FEC_RX_ER, /* FEC_RX_ERR */ + }; + + imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads)); + + /* assert PHY reset (low) */ + gpio_direction_output(IMX_GPIO_NR(3, 16), 0); + + udelay(5000); + + /* deassert PHY reset */ + gpio_set_value(IMX_GPIO_NR(3, 16), 1); + + udelay(5000); +#endif + + e = getenv("gs_base_board"); + if (e != NULL) { + if (strcmp(e, "G283") == 0) { + int key = gpio_get_value(IMX_GPIO_NR(2, 29)); + + if (key) { + /* Switch on both LEDs to inidcate boot mode */ + gpio_set_value(IMX_GPIO_NR(1, 29), 0); + gpio_set_value(IMX_GPIO_NR(4, 21), 0); + + setenv("preboot", "run gs_slow_boot"); + } else + setenv("preboot", "run gs_fast_boot"); + } + } + + return 0; +} + +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, + PHYS_SDRAM_SIZE); + return 0; +} |