diff options
Diffstat (limited to 'arch/arm/boards/avnet-zedboard/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/avnet-zedboard/lowlevel.c | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/arch/arm/boards/avnet-zedboard/lowlevel.c b/arch/arm/boards/avnet-zedboard/lowlevel.c index 912eb11fda..6e5a17d7ef 100644 --- a/arch/arm/boards/avnet-zedboard/lowlevel.c +++ b/arch/arm/boards/avnet-zedboard/lowlevel.c @@ -1,27 +1,12 @@ -/* - * - * (c) 2013 Steffen Trumtrar <s.trumtrar@pengutronix.de> - * - * 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. - * - */ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2013 Steffen Trumtrar <s.trumtrar@pengutronix.de> + #include <common.h> #include <io.h> #include <asm/barebox-arm.h> #include <asm/barebox-arm-head.h> -#include <mach/init.h> -#include <mach/zynq7000-regs.h> +#include <mach/zynq/init.h> +#include <mach/zynq/zynq7000-regs.h> #include <serial/cadence.h> #define DCI_DONE (1 << 13) @@ -29,7 +14,7 @@ #define PLL_DDR_LOCK (1 << 1) #define PLL_IO_LOCK (1 << 2) -extern char __dtb_zynq_zed_start[]; +extern char __dtb_z_zynq_zed_start[]; static void avnet_zedboard_ps7_init(void) { @@ -258,7 +243,7 @@ static void avnet_zedboard_ps7_init(void) /* GEM0 */ writel(0x00000001, 0xf8000138); - writel(0x00500801, 0xf8000140); + writel(0x00100801, 0xf8000140); writel(0x00000302, 0xf8000740); writel(0x00000302, 0xf8000744); writel(0x00000302, 0xf8000748); @@ -271,11 +256,20 @@ static void avnet_zedboard_ps7_init(void) writel(0x00001303, 0xf8000764); writel(0x00001303, 0xf8000768); writel(0x00001303, 0xf800076C); - writel(0x00001280, 0xf80007D0); - writel(0x00001280, 0xf80007D4); + writel(0x00000280, 0xf80007D0); + writel(0x00000280, 0xf80007D4); writel(0x00000001, 0xf8000B00); + /* FPGA Clock Control */ + writel(0x00101400, 0xf8000170); + writel(0x00101400, 0xf8000180); + writel(0x00101400, 0xf8000190); + writel(0x00101400, 0xf80001a0); + + /* PCAP Clock Control */ + writel(0x00000501, 0xf8000168); + /* lock up. secure, secure */ writel(0x0000767B, ZYNQ_SLCR_LOCK); } @@ -295,7 +289,17 @@ static void avnet_zedboard_pbl_console_init(void) ENTRY_FUNCTION(start_avnet_zedboard, r0, r1, r2) { - void *fdt = __dtb_zynq_zed_start + get_runtime_offset(); + void *fdt = __dtb_z_zynq_zed_start + get_runtime_offset(); + + /* MIO_07 in GPIO Mode 3.3V VIO, can be uncomented because it is the default value */ + writel(0x0000DF0D, ZYNQ_SLCR_UNLOCK); + writel(0x00000600, 0xF800071C ); + writel(0x0000767B, ZYNQ_SLCR_LOCK); + + /* turns on the LED MIO_07 */ + writel((1<<7), 0xe000a204 ); // Direction + writel((1<<7), 0xe000a208 ); // Output enable + writel((1<<7), 0xe000a040 ); // DATA Register arm_cpu_lowlevel_init(); zynq_cpu_lowlevel_init(); |