diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/at91/sama5d3_devices.c | 24 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/clock.c | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/tegra114/config.mk | 19 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/tegra20/config.mk | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/tegra30/config.mk | 19 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/zynq/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/zynq/ddrc.c | 50 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/zynq/slcr.c | 2 |
8 files changed, 81 insertions, 54 deletions
diff --git a/arch/arm/cpu/armv7/at91/sama5d3_devices.c b/arch/arm/cpu/armv7/at91/sama5d3_devices.c index 4a3fca56a..e55e1c660 100644 --- a/arch/arm/cpu/armv7/at91/sama5d3_devices.c +++ b/arch/arm/cpu/armv7/at91/sama5d3_devices.c @@ -144,6 +144,30 @@ void at91_macb_hw_init(void) /* Enable clock */ at91_periph_clk_enable(ATMEL_ID_EMAC); } + +void at91_gmac_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* GTX0 */ + at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* GTX1 */ + at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* GTX2 */ + at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* GTX3 */ + at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* GRX0 */ + at91_set_a_periph(AT91_PIO_PORTB, 5, 0); /* GRX1 */ + at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* GRX2 */ + at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* GRX3 */ + at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* GTXCK */ + at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* GTXEN */ + + at91_set_a_periph(AT91_PIO_PORTB, 11, 0); /* GRXCK */ + at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* GRXER */ + + at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* GMDC */ + at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* GMDIO */ + at91_set_a_periph(AT91_PIO_PORTB, 18, 0); /* G125CK */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_GMAC); +} #endif #ifdef CONFIG_LCD diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c index fbbb365cb..6bef25445 100644 --- a/arch/arm/cpu/armv7/mx5/clock.c +++ b/arch/arm/cpu/armv7/mx5/clock.c @@ -85,7 +85,7 @@ void set_usboh3_clk(void) MXC_CCM_CSCDR1_USBOH3_CLK_PODF(1)); } -void enable_usboh3_clk(unsigned char enable) +void enable_usboh3_clk(bool enable) { unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF; @@ -122,7 +122,7 @@ void set_usb_phy_clk(void) } #if defined(CONFIG_MX51) -void enable_usb_phy1_clk(unsigned char enable) +void enable_usb_phy1_clk(bool enable) { unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF; @@ -131,12 +131,12 @@ void enable_usb_phy1_clk(unsigned char enable) MXC_CCM_CCGR2_USB_PHY(cg)); } -void enable_usb_phy2_clk(unsigned char enable) +void enable_usb_phy2_clk(bool enable) { /* i.MX51 has a single USB PHY clock, so do nothing here. */ } #elif defined(CONFIG_MX53) -void enable_usb_phy1_clk(unsigned char enable) +void enable_usb_phy1_clk(bool enable) { unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF; @@ -145,7 +145,7 @@ void enable_usb_phy1_clk(unsigned char enable) MXC_CCM_CCGR4_USB_PHY1(cg)); } -void enable_usb_phy2_clk(unsigned char enable) +void enable_usb_phy2_clk(bool enable) { unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF; diff --git a/arch/arm/cpu/armv7/tegra114/config.mk b/arch/arm/cpu/armv7/tegra114/config.mk deleted file mode 100644 index cb1a19da8..000000000 --- a/arch/arm/cpu/armv7/tegra114/config.mk +++ /dev/null @@ -1,19 +0,0 @@ -# -# Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved. -# -# (C) Copyright 2002 -# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> -# -# This program is free software; you can redistribute it and/or modify it -# under the terms and conditions of the GNU General Public License, -# version 2, as published by the Free Software Foundation. -# -# This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. -# -CONFIG_ARCH_DEVICE_TREE := tegra114 diff --git a/arch/arm/cpu/armv7/tegra20/config.mk b/arch/arm/cpu/armv7/tegra20/config.mk deleted file mode 100644 index 3cac79bc1..000000000 --- a/arch/arm/cpu/armv7/tegra20/config.mk +++ /dev/null @@ -1,10 +0,0 @@ -# -# (C) Copyright 2010,2011 -# NVIDIA Corporation <www.nvidia.com> -# -# (C) Copyright 2002 -# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> -# -# SPDX-License-Identifier: GPL-2.0+ -# -CONFIG_ARCH_DEVICE_TREE := tegra20 diff --git a/arch/arm/cpu/armv7/tegra30/config.mk b/arch/arm/cpu/armv7/tegra30/config.mk deleted file mode 100644 index 719ca8192..000000000 --- a/arch/arm/cpu/armv7/tegra30/config.mk +++ /dev/null @@ -1,19 +0,0 @@ -# -# Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved. -# -# (C) Copyright 2002 -# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> -# -# This program is free software; you can redistribute it and/or modify it -# under the terms and conditions of the GNU General Public License, -# version 2, as published by the Free Software Foundation. -# -# This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. -# -CONFIG_ARCH_DEVICE_TREE := tegra30 diff --git a/arch/arm/cpu/armv7/zynq/Makefile b/arch/arm/cpu/armv7/zynq/Makefile index e5494f748..de6b08157 100644 --- a/arch/arm/cpu/armv7/zynq/Makefile +++ b/arch/arm/cpu/armv7/zynq/Makefile @@ -14,6 +14,7 @@ LIB = $(obj)lib$(SOC).o COBJS-y := timer.o COBJS-y += cpu.o +COBJS-y += ddrc.o COBJS-y += slcr.o COBJS := $(COBJS-y) diff --git a/arch/arm/cpu/armv7/zynq/ddrc.c b/arch/arm/cpu/armv7/zynq/ddrc.c new file mode 100644 index 000000000..ba6a6aee5 --- /dev/null +++ b/arch/arm/cpu/armv7/zynq/ddrc.c @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2012 - 2013 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2012 - 2013 Xilinx, Inc. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/hardware.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* Control regsiter bitfield definitions */ +#define ZYNQ_DDRC_CTRLREG_BUSWIDTH_MASK 0xC +#define ZYNQ_DDRC_CTRLREG_BUSWIDTH_SHIFT 2 +#define ZYNQ_DDRC_CTRLREG_BUSWIDTH_16BIT 1 + +/* ECC scrub regsiter definitions */ +#define ZYNQ_DDRC_ECC_SCRUBREG_ECC_MODE_MASK 0x7 +#define ZYNQ_DDRC_ECC_SCRUBREG_ECCMODE_SECDED 0x4 + +void zynq_ddrc_init(void) +{ + u32 width, ecctype; + + width = readl(&ddrc_base->ddrc_ctrl); + width = (width & ZYNQ_DDRC_CTRLREG_BUSWIDTH_MASK) >> + ZYNQ_DDRC_CTRLREG_BUSWIDTH_SHIFT; + ecctype = (readl(&ddrc_base->ecc_scrub) & + ZYNQ_DDRC_ECC_SCRUBREG_ECC_MODE_MASK); + + /* ECC is enabled when memory is in 16bit mode and it is enabled */ + if ((ecctype == ZYNQ_DDRC_ECC_SCRUBREG_ECCMODE_SECDED) && + (width == ZYNQ_DDRC_CTRLREG_BUSWIDTH_16BIT)) { + puts("Memory: ECC enabled\n"); + /* + * Clear the first 1MB because it is not initialized from + * first stage bootloader. To get ECC to work all memory has + * been initialized by writing any value. + */ + memset(0, 0, 1 * 1024 * 1024); + } else { + puts("Memory: ECC disabled\n"); + } + + if (width == ZYNQ_DDRC_CTRLREG_BUSWIDTH_16BIT) + gd->ram_size /= 2; +} diff --git a/arch/arm/cpu/armv7/zynq/slcr.c b/arch/arm/cpu/armv7/zynq/slcr.c index e5fe99298..717ec65ae 100644 --- a/arch/arm/cpu/armv7/zynq/slcr.c +++ b/arch/arm/cpu/armv7/zynq/slcr.c @@ -70,7 +70,7 @@ void zynq_slcr_gem_clk_setup(u32 gem_id, u32 rclk, u32 clk) /* Configure GEM_RCLK_CTRL */ writel(rclk, &slcr_base->gem0_rclk_ctrl); } - + udelay(100000); out: zynq_slcr_lock(); } |