diff options
| author | Stefano Babic <sbabic@denx.de> | 2013-02-23 10:13:40 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-02-23 10:13:40 +0100 |
| commit | 9cd9b34dc7f247fd0fce08ab688bf8197f1bfdbc (patch) | |
| tree | 89561497322fff78d3d2e4a8e736f18ab4e0ddfb /arch/arm/cpu/armv7/zynq/cpu.c | |
| parent | bec0160e9f5adab1d451ded3a95b0114b14e1970 (diff) | |
| parent | a5627914daad144727655a72bd3c8a8958fbcdcf (diff) | |
| download | u-boot-9cd9b34dc7f247fd0fce08ab688bf8197f1bfdbc.tar.gz | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'arch/arm/cpu/armv7/zynq/cpu.c')
| -rw-r--r-- | arch/arm/cpu/armv7/zynq/cpu.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/zynq/cpu.c b/arch/arm/cpu/armv7/zynq/cpu.c index ab615cc7d4..e8f4c19d49 100644 --- a/arch/arm/cpu/armv7/zynq/cpu.c +++ b/arch/arm/cpu/armv7/zynq/cpu.c @@ -21,11 +21,37 @@ * MA 02111-1307 USA */ #include <common.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/hardware.h> -inline void lowlevel_init(void) {} +void lowlevel_init(void) +{ + zynq_slcr_unlock(); + /* remap DDR to zero, FILTERSTART */ + writel(0, &scu_base->filter_start); + + /* Device config APB, unlock the PCAP */ + writel(0x757BDF0D, &devcfg_base->unlock); + writel(0xFFFFFFFF, &devcfg_base->rom_shadow); + + /* OCM_CFG, Mask out the ROM, map ram into upper addresses */ + writel(0x1F, &slcr_base->ocm_cfg); + /* FPGA_RST_CTRL, clear resets on AXI fabric ports */ + writel(0x0, &slcr_base->fpga_rst_ctrl); + /* TZ_DDR_RAM, Set DDR trust zone non-secure */ + writel(0xFFFFFFFF, &slcr_base->trust_zone); + /* Set urgent bits with register */ + writel(0x0, &slcr_base->ddr_urgent_sel); + /* Urgent write, ports S2/S3 */ + writel(0xC, &slcr_base->ddr_urgent); + + zynq_slcr_lock(); +} void reset_cpu(ulong addr) { + zynq_slcr_cpu_reset(); while (1) ; } |