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authorTom Rini <trini@ti.com>2013-03-18 12:31:00 -0400
committerTom Rini <trini@ti.com>2013-03-18 14:37:18 -0400
commit0ce033d2582129243aca10d3072a221386bbba44 (patch)
tree6e50a3f4eed22007549dc740d0fa647a6c8cec5b /arch/arm/cpu/armv7/zynq/cpu.c
parentb5bec88434adb52413f1bc33fa63d7642cb8fd35 (diff)
parentb27673ccbd3d5435319b5c09c3e7061f559f925d (diff)
downloadblackbird-obmc-uboot-0ce033d2582129243aca10d3072a221386bbba44.tar.gz
blackbird-obmc-uboot-0ce033d2582129243aca10d3072a221386bbba44.zip
Merge branch 'master' of git://git.denx.de/u-boot-arm
Albert's rework of the linker scripts conflicted with Simon's making everyone use __bss_end. We also had a minor conflict over README.scrapyard being added to in mainline and enhanced in u-boot-arm/master with proper formatting. Conflicts: arch/arm/cpu/ixp/u-boot.lds arch/arm/cpu/u-boot.lds arch/arm/lib/Makefile board/actux1/u-boot.lds board/actux2/u-boot.lds board/actux3/u-boot.lds board/dvlhost/u-boot.lds board/freescale/mx31ads/u-boot.lds doc/README.scrapyard include/configs/tegra-common.h Build tested for all of ARM and run-time tested on am335x_evm. Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/zynq/cpu.c')
-rw-r--r--arch/arm/cpu/armv7/zynq/cpu.c28
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)
;
}
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