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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/syteco
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/syteco')
-rw-r--r--qemu/roms/u-boot/board/syteco/jadecpu/Makefile13
-rw-r--r--qemu/roms/u-boot/board/syteco/jadecpu/jadecpu.c160
-rw-r--r--qemu/roms/u-boot/board/syteco/jadecpu/lowlevel_init.S249
-rw-r--r--qemu/roms/u-boot/board/syteco/zmx25/Makefile9
-rw-r--r--qemu/roms/u-boot/board/syteco/zmx25/lowlevel_init.S97
-rw-r--r--qemu/roms/u-boot/board/syteco/zmx25/zmx25.c174
6 files changed, 702 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/syteco/jadecpu/Makefile b/qemu/roms/u-boot/board/syteco/jadecpu/Makefile
new file mode 100644
index 000000000..74264361e
--- /dev/null
+++ b/qemu/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/qemu/roms/u-boot/board/syteco/jadecpu/jadecpu.c b/qemu/roms/u-boot/board/syteco/jadecpu/jadecpu.c
new file mode 100644
index 000000000..6c60a41e3
--- /dev/null
+++ b/qemu/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/qemu/roms/u-boot/board/syteco/jadecpu/lowlevel_init.S b/qemu/roms/u-boot/board/syteco/jadecpu/lowlevel_init.S
new file mode 100644
index 000000000..9568cec9a
--- /dev/null
+++ b/qemu/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/qemu/roms/u-boot/board/syteco/zmx25/Makefile b/qemu/roms/u-boot/board/syteco/zmx25/Makefile
new file mode 100644
index 000000000..d5edb48ab
--- /dev/null
+++ b/qemu/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/qemu/roms/u-boot/board/syteco/zmx25/lowlevel_init.S b/qemu/roms/u-boot/board/syteco/zmx25/lowlevel_init.S
new file mode 100644
index 000000000..5eccf09a7
--- /dev/null
+++ b/qemu/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/qemu/roms/u-boot/board/syteco/zmx25/zmx25.c b/qemu/roms/u-boot/board/syteco/zmx25/zmx25.c
new file mode 100644
index 000000000..bdbf02a06
--- /dev/null
+++ b/qemu/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;
+}