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* [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board
@ 2013-02-04 14:36 Michal Simek
  2013-02-04 14:36 ` [U-Boot] [PATCH 2/3] arm: zynq: Add SLCR support with system reset Michal Simek
                   ` (3 more replies)
  0 siblings, 4 replies; 6+ messages in thread
From: Michal Simek @ 2013-02-04 14:36 UTC (permalink / raw)
  To: u-boot

Enable DCC driver for arm zynq platform to be compiled.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
 boards.cfg             |    1 +
 include/configs/zynq.h |    5 +++++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/boards.cfg b/boards.cfg
index 98f7a14..1d30a18 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -296,6 +296,7 @@ snowball                     arm         armv7       snowball               st-e
 kzm9g                        arm         armv7       kzm9g               kmc            rmobile
 armadillo-800eva             arm         armv7       armadillo-800eva    atmark-techno  rmobile
 zynq                         arm         armv7       zynq                xilinx         zynq
+zynq_dcc                     arm         armv7       zynq                xilinx         zynq        zynq:ZYNQ_DCC
 socfpga_cyclone5                arm         armv7          socfpga_cyclone5    altera		    socfpga
 actux1_4_16                  arm         ixp         actux1              -              -           actux1:FLASH2X2
 actux1_4_32                  arm         ixp         actux1              -              -           actux1:FLASH2X2,RAM_32MB
diff --git a/include/configs/zynq.h b/include/configs/zynq.h
index 18fd76f..2989e72 100644
--- a/include/configs/zynq.h
+++ b/include/configs/zynq.h
@@ -58,6 +58,11 @@
 #define CONFIG_ZYNQ_GEM
 #define CONFIG_ZYNQ_GEM_BASEADDR0	0xE000B000
 
+#if defined(CONFIG_ZYNQ_DCC)
+# define CONFIG_ARM_DCC
+# define CONFIG_CPU_V6 /* Required by CONFIG_ARM_DCC */
+#endif
+
 #define CONFIG_BOOTP_SERVERIP
 #define CONFIG_BOOTP_BOOTPATH
 #define CONFIG_BOOTP_GATEWAY
-- 
1.7.0.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [U-Boot] [PATCH 2/3] arm: zynq: Add SLCR support with system reset
  2013-02-04 14:36 [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board Michal Simek
@ 2013-02-04 14:36 ` Michal Simek
  2013-02-04 14:36 ` [U-Boot] [PATCH 3/3] arm: zynq: Add lowlevel initialization to C Michal Simek
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 6+ messages in thread
From: Michal Simek @ 2013-02-04 14:36 UTC (permalink / raw)
  To: u-boot

The patch provides slcr base address initialization support
and a support to reset the cpu through slcr driver,
hence removed the reset_cpu() from board.c.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
 arch/arm/cpu/armv7/zynq/Makefile           |    1 +
 arch/arm/cpu/armv7/zynq/cpu.c              |    2 +
 arch/arm/cpu/armv7/zynq/slcr.c             |   63 ++++++++++++++++++++++++++++
 arch/arm/include/asm/arch-zynq/hardware.h  |   41 ++++++++++++++++++
 arch/arm/include/asm/arch-zynq/sys_proto.h |   30 +++++++++++++
 5 files changed, 137 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/cpu/armv7/zynq/slcr.c
 create mode 100644 arch/arm/include/asm/arch-zynq/hardware.h
 create mode 100644 arch/arm/include/asm/arch-zynq/sys_proto.h

diff --git a/arch/arm/cpu/armv7/zynq/Makefile b/arch/arm/cpu/armv7/zynq/Makefile
index 499ace4..388085d 100644
--- a/arch/arm/cpu/armv7/zynq/Makefile
+++ b/arch/arm/cpu/armv7/zynq/Makefile
@@ -30,6 +30,7 @@ LIB	= $(obj)lib$(SOC).o
 
 COBJS-y	:= timer.o
 COBJS-y	+= cpu.o
+COBJS-y	+= slcr.o
 
 COBJS	:= $(COBJS-y)
 
diff --git a/arch/arm/cpu/armv7/zynq/cpu.c b/arch/arm/cpu/armv7/zynq/cpu.c
index ab615cc..91618d3 100644
--- a/arch/arm/cpu/armv7/zynq/cpu.c
+++ b/arch/arm/cpu/armv7/zynq/cpu.c
@@ -21,11 +21,13 @@
  * MA 02111-1307 USA
  */
 #include <common.h>
+#include <asm/arch/sys_proto.h>
 
 inline void lowlevel_init(void) {}
 
 void reset_cpu(ulong addr)
 {
+	zynq_slcr_cpu_reset();
 	while (1)
 		;
 }
diff --git a/arch/arm/cpu/armv7/zynq/slcr.c b/arch/arm/cpu/armv7/zynq/slcr.c
new file mode 100644
index 0000000..788a8fd
--- /dev/null
+++ b/arch/arm/cpu/armv7/zynq/slcr.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2013 Xilinx Inc.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <malloc.h>
+#include <asm/arch/hardware.h>
+
+#define SLCR_LOCK_MAGIC		0x767B
+#define SLCR_UNLOCK_MAGIC	0xDF0D
+
+static int slcr_lock = 1; /* 1 means locked, 0 means unlocked */
+
+void zynq_slcr_lock(void)
+{
+	if (!slcr_lock)
+		writel(SLCR_LOCK_MAGIC, &slcr_base->slcr_lock);
+}
+
+void zynq_slcr_unlock(void)
+{
+	if (slcr_lock)
+		writel(SLCR_UNLOCK_MAGIC, &slcr_base->slcr_unlock);
+}
+
+/* Reset the entire system */
+void zynq_slcr_cpu_reset(void)
+{
+	/*
+	 * Unlock the SLCR then reset the system.
+	 * Note that this seems to require raw i/o
+	 * functions or there's a lockup?
+	 */
+	zynq_slcr_unlock();
+
+	/*
+	 * Clear 0x0F000000 bits of reboot status register to workaround
+	 * the FSBL not loading the bitstream after soft-reboot
+	 * This is a temporary solution until we know more.
+	 */
+	clrbits_le32(&slcr_base->reboot_status, 0xF000000);
+
+	writel(1, &slcr_base->pss_rst_ctrl);
+}
diff --git a/arch/arm/include/asm/arch-zynq/hardware.h b/arch/arm/include/asm/arch-zynq/hardware.h
new file mode 100644
index 0000000..ad17b27
--- /dev/null
+++ b/arch/arm/include/asm/arch-zynq/hardware.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2013 Xilinx Inc.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ASM_ARCH_HARDWARE_H
+#define _ASM_ARCH_HARDWARE_H
+
+#define XPSS_SYS_CTRL_BASEADDR		0xF8000000
+
+/* Reflect slcr offsets */
+struct slcr_regs {
+	u32 scl; /* 0x0 */
+	u32 slcr_lock; /* 0x4 */
+	u32 slcr_unlock; /* 0x8 */
+	u32 reserved1[125];
+	u32 pss_rst_ctrl; /* 0x200 */
+	u32 reserved2[21];
+	u32 reboot_status; /* 0x258 */
+};
+
+#define slcr_base ((struct slcr_regs *) XPSS_SYS_CTRL_BASEADDR)
+
+#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/include/asm/arch-zynq/sys_proto.h b/arch/arm/include/asm/arch-zynq/sys_proto.h
new file mode 100644
index 0000000..e788900
--- /dev/null
+++ b/arch/arm/include/asm/arch-zynq/sys_proto.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2013 Xilinx Inc.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _SYS_PROTO_H_
+#define _SYS_PROTO_H_
+
+extern void zynq_slcr_lock(void);
+extern void zynq_slcr_unlock(void);
+extern void zynq_slcr_cpu_reset(void);
+
+#endif /* _SYS_PROTO_H_ */
-- 
1.7.0.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [U-Boot] [PATCH 3/3] arm: zynq: Add lowlevel initialization to C
  2013-02-04 14:36 [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board Michal Simek
  2013-02-04 14:36 ` [U-Boot] [PATCH 2/3] arm: zynq: Add SLCR support with system reset Michal Simek
@ 2013-02-04 14:36 ` Michal Simek
  2013-02-21 18:16   ` Albert ARIBAUD
  2013-02-21 18:15 ` [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board Albert ARIBAUD
  2013-02-21 18:15 ` Albert ARIBAUD
  3 siblings, 1 reply; 6+ messages in thread
From: Michal Simek @ 2013-02-04 14:36 UTC (permalink / raw)
  To: u-boot

Do lowlevel initialization directly in C. Zynq do not
require to do it in asm.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
 arch/arm/cpu/armv7/zynq/cpu.c             |   26 +++++++++++++++-
 arch/arm/include/asm/arch-zynq/hardware.h |   46 ++++++++++++++++++++++++++++-
 2 files changed, 70 insertions(+), 2 deletions(-)

diff --git a/arch/arm/cpu/armv7/zynq/cpu.c b/arch/arm/cpu/armv7/zynq/cpu.c
index 91618d3..e8f4c19 100644
--- a/arch/arm/cpu/armv7/zynq/cpu.c
+++ b/arch/arm/cpu/armv7/zynq/cpu.c
@@ -21,9 +21,33 @@
  * 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)
 {
diff --git a/arch/arm/include/asm/arch-zynq/hardware.h b/arch/arm/include/asm/arch-zynq/hardware.h
index ad17b27..d0c69da 100644
--- a/arch/arm/include/asm/arch-zynq/hardware.h
+++ b/arch/arm/include/asm/arch-zynq/hardware.h
@@ -24,6 +24,8 @@
 #define _ASM_ARCH_HARDWARE_H
 
 #define XPSS_SYS_CTRL_BASEADDR		0xF8000000
+#define XPSS_DEV_CFG_APB_BASEADDR	0xF8007000
+#define XPSS_SCU_BASEADDR		0xF8F00000
 
 /* Reflect slcr offsets */
 struct slcr_regs {
@@ -32,10 +34,52 @@ struct slcr_regs {
 	u32 slcr_unlock; /* 0x8 */
 	u32 reserved1[125];
 	u32 pss_rst_ctrl; /* 0x200 */
-	u32 reserved2[21];
+	u32 reserved2[15];
+	u32 fpga_rst_ctrl; /* 0x240 */
+	u32 reserved3[5];
 	u32 reboot_status; /* 0x258 */
+	u32 boot_mode; /* 0x25c */
+	u32 reserved4[116];
+	u32 trust_zone; /* 0x430 */ /* FIXME */
+	u32 reserved5[115];
+	u32 ddr_urgent; /* 0x600 */
+	u32 reserved6[6];
+	u32 ddr_urgent_sel; /* 0x61c */
+	u32 reserved7[188];
+	u32 ocm_cfg; /* 0x910 */
 };
 
 #define slcr_base ((struct slcr_regs *) XPSS_SYS_CTRL_BASEADDR)
 
+struct devcfg_regs {
+	u32 ctrl; /* 0x0 */
+	u32 lock; /* 0x4 */
+	u32 cfg; /* 0x8 */
+	u32 int_sts; /* 0xc */
+	u32 int_mask; /* 0x10 */
+	u32 status; /* 0x14 */
+	u32 dma_src_addr; /* 0x18 */
+	u32 dma_dst_addr; /* 0x1c */
+	u32 dma_src_len; /* 0x20 */
+	u32 dma_dst_len; /* 0x24 */
+	u32 rom_shadow; /* 0x28 */
+	u32 reserved1[2];
+	u32 unlock; /* 0x34 */
+	u32 reserved2[18];
+	u32 mctrl; /* 0x80 */
+	u32 reserved3;
+	u32 write_count; /* 0x88 */
+	u32 read_count; /* 0x8c */
+};
+
+#define devcfg_base ((struct devcfg_regs *) XPSS_DEV_CFG_APB_BASEADDR)
+
+struct scu_regs {
+	u32 reserved1[16];
+	u32 filter_start; /* 0x40 */
+	u32 filter_end; /* 0x44 */
+};
+
+#define scu_base ((struct scu_regs *) XPSS_SCU_BASEADDR)
+
 #endif /* _ASM_ARCH_HARDWARE_H */
-- 
1.7.0.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board
  2013-02-04 14:36 [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board Michal Simek
  2013-02-04 14:36 ` [U-Boot] [PATCH 2/3] arm: zynq: Add SLCR support with system reset Michal Simek
  2013-02-04 14:36 ` [U-Boot] [PATCH 3/3] arm: zynq: Add lowlevel initialization to C Michal Simek
@ 2013-02-21 18:15 ` Albert ARIBAUD
  2013-02-21 18:15 ` Albert ARIBAUD
  3 siblings, 0 replies; 6+ messages in thread
From: Albert ARIBAUD @ 2013-02-21 18:15 UTC (permalink / raw)
  To: u-boot

Hi Michal,

On Mon,  4 Feb 2013 15:36:05 +0100, Michal Simek
<michal.simek@xilinx.com> wrote:

> Enable DCC driver for arm zynq platform to be compiled.
> 
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>  boards.cfg             |    1 +
>  include/configs/zynq.h |    5 +++++
>  2 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/boards.cfg b/boards.cfg
> index 98f7a14..1d30a18 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -296,6 +296,7 @@ snowball                     arm         armv7       snowball               st-e
>  kzm9g                        arm         armv7       kzm9g               kmc            rmobile
>  armadillo-800eva             arm         armv7       armadillo-800eva    atmark-techno  rmobile
>  zynq                         arm         armv7       zynq                xilinx         zynq
> +zynq_dcc                     arm         armv7       zynq                xilinx         zynq        zynq:ZYNQ_DCC
>  socfpga_cyclone5                arm         armv7          socfpga_cyclone5    altera		    socfpga
>  actux1_4_16                  arm         ixp         actux1              -              -           actux1:FLASH2X2
>  actux1_4_32                  arm         ixp         actux1              -              -           actux1:FLASH2X2,RAM_32MB
> diff --git a/include/configs/zynq.h b/include/configs/zynq.h
> index 18fd76f..2989e72 100644
> --- a/include/configs/zynq.h
> +++ b/include/configs/zynq.h
> @@ -58,6 +58,11 @@
>  #define CONFIG_ZYNQ_GEM
>  #define CONFIG_ZYNQ_GEM_BASEADDR0	0xE000B000
>  
> +#if defined(CONFIG_ZYNQ_DCC)
> +# define CONFIG_ARM_DCC
> +# define CONFIG_CPU_V6 /* Required by CONFIG_ARM_DCC */
> +#endif
> +
>  #define CONFIG_BOOTP_SERVERIP
>  #define CONFIG_BOOTP_BOOTPATH
>  #define CONFIG_BOOTP_GATEWAY

Applied to u-boot-arm/master via microblaze/mainline/arm, thanks!

Amicalement,
-- 
Albert.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board
  2013-02-04 14:36 [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board Michal Simek
                   ` (2 preceding siblings ...)
  2013-02-21 18:15 ` [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board Albert ARIBAUD
@ 2013-02-21 18:15 ` Albert ARIBAUD
  3 siblings, 0 replies; 6+ messages in thread
From: Albert ARIBAUD @ 2013-02-21 18:15 UTC (permalink / raw)
  To: u-boot

Hi Michal,

On Mon,  4 Feb 2013 15:36:05 +0100, Michal Simek
<michal.simek@xilinx.com> wrote:

> Enable DCC driver for arm zynq platform to be compiled.
> 
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>  boards.cfg             |    1 +
>  include/configs/zynq.h |    5 +++++
>  2 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/boards.cfg b/boards.cfg
> index 98f7a14..1d30a18 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -296,6 +296,7 @@ snowball                     arm         armv7       snowball               st-e
>  kzm9g                        arm         armv7       kzm9g               kmc            rmobile
>  armadillo-800eva             arm         armv7       armadillo-800eva    atmark-techno  rmobile
>  zynq                         arm         armv7       zynq                xilinx         zynq
> +zynq_dcc                     arm         armv7       zynq                xilinx         zynq        zynq:ZYNQ_DCC
>  socfpga_cyclone5                arm         armv7          socfpga_cyclone5    altera		    socfpga
>  actux1_4_16                  arm         ixp         actux1              -              -           actux1:FLASH2X2
>  actux1_4_32                  arm         ixp         actux1              -              -           actux1:FLASH2X2,RAM_32MB
> diff --git a/include/configs/zynq.h b/include/configs/zynq.h
> index 18fd76f..2989e72 100644
> --- a/include/configs/zynq.h
> +++ b/include/configs/zynq.h
> @@ -58,6 +58,11 @@
>  #define CONFIG_ZYNQ_GEM
>  #define CONFIG_ZYNQ_GEM_BASEADDR0	0xE000B000
>  
> +#if defined(CONFIG_ZYNQ_DCC)
> +# define CONFIG_ARM_DCC
> +# define CONFIG_CPU_V6 /* Required by CONFIG_ARM_DCC */
> +#endif
> +
>  #define CONFIG_BOOTP_SERVERIP
>  #define CONFIG_BOOTP_BOOTPATH
>  #define CONFIG_BOOTP_GATEWAY

Applied to u-boot-arm/master via microblaze/mainline/arm, thanks!

Amicalement,
-- 
Albert.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [U-Boot] [PATCH 3/3] arm: zynq: Add lowlevel initialization to C
  2013-02-04 14:36 ` [U-Boot] [PATCH 3/3] arm: zynq: Add lowlevel initialization to C Michal Simek
@ 2013-02-21 18:16   ` Albert ARIBAUD
  0 siblings, 0 replies; 6+ messages in thread
From: Albert ARIBAUD @ 2013-02-21 18:16 UTC (permalink / raw)
  To: u-boot

Hi Michal,

On Mon,  4 Feb 2013 15:36:07 +0100, Michal Simek
<michal.simek@xilinx.com> wrote:

> Do lowlevel initialization directly in C. Zynq do not
> require to do it in asm.
> 
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>  arch/arm/cpu/armv7/zynq/cpu.c             |   26 +++++++++++++++-
>  arch/arm/include/asm/arch-zynq/hardware.h |   46 ++++++++++++++++++++++++++++-
>  2 files changed, 70 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/cpu/armv7/zynq/cpu.c b/arch/arm/cpu/armv7/zynq/cpu.c
> index 91618d3..e8f4c19 100644
> --- a/arch/arm/cpu/armv7/zynq/cpu.c
> +++ b/arch/arm/cpu/armv7/zynq/cpu.c
> @@ -21,9 +21,33 @@
>   * 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)
>  {
> diff --git a/arch/arm/include/asm/arch-zynq/hardware.h b/arch/arm/include/asm/arch-zynq/hardware.h
> index ad17b27..d0c69da 100644
> --- a/arch/arm/include/asm/arch-zynq/hardware.h
> +++ b/arch/arm/include/asm/arch-zynq/hardware.h
> @@ -24,6 +24,8 @@
>  #define _ASM_ARCH_HARDWARE_H
>  
>  #define XPSS_SYS_CTRL_BASEADDR		0xF8000000
> +#define XPSS_DEV_CFG_APB_BASEADDR	0xF8007000
> +#define XPSS_SCU_BASEADDR		0xF8F00000
>  
>  /* Reflect slcr offsets */
>  struct slcr_regs {
> @@ -32,10 +34,52 @@ struct slcr_regs {
>  	u32 slcr_unlock; /* 0x8 */
>  	u32 reserved1[125];
>  	u32 pss_rst_ctrl; /* 0x200 */
> -	u32 reserved2[21];
> +	u32 reserved2[15];
> +	u32 fpga_rst_ctrl; /* 0x240 */
> +	u32 reserved3[5];
>  	u32 reboot_status; /* 0x258 */
> +	u32 boot_mode; /* 0x25c */
> +	u32 reserved4[116];
> +	u32 trust_zone; /* 0x430 */ /* FIXME */
> +	u32 reserved5[115];
> +	u32 ddr_urgent; /* 0x600 */
> +	u32 reserved6[6];
> +	u32 ddr_urgent_sel; /* 0x61c */
> +	u32 reserved7[188];
> +	u32 ocm_cfg; /* 0x910 */
>  };
>  
>  #define slcr_base ((struct slcr_regs *) XPSS_SYS_CTRL_BASEADDR)
>  
> +struct devcfg_regs {
> +	u32 ctrl; /* 0x0 */
> +	u32 lock; /* 0x4 */
> +	u32 cfg; /* 0x8 */
> +	u32 int_sts; /* 0xc */
> +	u32 int_mask; /* 0x10 */
> +	u32 status; /* 0x14 */
> +	u32 dma_src_addr; /* 0x18 */
> +	u32 dma_dst_addr; /* 0x1c */
> +	u32 dma_src_len; /* 0x20 */
> +	u32 dma_dst_len; /* 0x24 */
> +	u32 rom_shadow; /* 0x28 */
> +	u32 reserved1[2];
> +	u32 unlock; /* 0x34 */
> +	u32 reserved2[18];
> +	u32 mctrl; /* 0x80 */
> +	u32 reserved3;
> +	u32 write_count; /* 0x88 */
> +	u32 read_count; /* 0x8c */
> +};
> +
> +#define devcfg_base ((struct devcfg_regs *) XPSS_DEV_CFG_APB_BASEADDR)
> +
> +struct scu_regs {
> +	u32 reserved1[16];
> +	u32 filter_start; /* 0x40 */
> +	u32 filter_end; /* 0x44 */
> +};
> +
> +#define scu_base ((struct scu_regs *) XPSS_SCU_BASEADDR)
> +
>  #endif /* _ASM_ARCH_HARDWARE_H */

Applied to u-boot-arm/master via microblaze/mainline/arm, thanks!

Amicalement,
-- 
Albert.

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2013-02-21 18:16 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-02-04 14:36 [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board Michal Simek
2013-02-04 14:36 ` [U-Boot] [PATCH 2/3] arm: zynq: Add SLCR support with system reset Michal Simek
2013-02-04 14:36 ` [U-Boot] [PATCH 3/3] arm: zynq: Add lowlevel initialization to C Michal Simek
2013-02-21 18:16   ` Albert ARIBAUD
2013-02-21 18:15 ` [U-Boot] [PATCH 1/3] xilinx: zynq: Enable DCC and create new zynq_dcc board Albert ARIBAUD
2013-02-21 18:15 ` Albert ARIBAUD

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