RE: [PATCH V3 3/4] ARM: Xilinx: base header files and assembly macros

From: John Linn
Date: Thu Feb 17 2011 - 09:32:15 EST

> -----Original Message-----
> From: Jamie Iles [mailto:jamie@xxxxxxxxxxxxx]
> Sent: Thursday, February 17, 2011 3:01 AM
> To: John Linn
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
linux-kernel@xxxxxxxxxxxxxxx; linux@xxxxxxxxxxxxxxxx;
> catalin.marinas@xxxxxxx; glikely@xxxxxxxxxxxx; arnd@xxxxxxxx
> Subject: Re: [PATCH V3 3/4] ARM: Xilinx: base header files and
assembly macros
>
> Hi John,
>
> A few more nitpicks, but looking good now!
>
> Jamie
>
> On Wed, Feb 16, 2011 at 09:11:55AM -0700, John Linn wrote:
> > These are the minimum needed to build the kernel for the new
platform.
> >
> > Signed-off-by: John Linn <john.linn@xxxxxxxxxx>
> > ---
> >
> > V3 Changes
> >
> > Updates based on Russell Kings' comments
> > Changed headers to update the license info and remove
> > the address
> >
> > Updated the constant to use UL in vmalloc.h
> >
> > V2 Changes
> >
> > Updates based on Russell King's comments
> > moved to using entry-macro-gic.S
> > moved stuff from hardware.h to xilinx_soc.h
> > added IOMEM() in io.h to help with typing
> > Minor updates to IO_SPACE_LIMIT and __io()
> > Updated addresses to be clear with seperate virtual
> > and physical addresses
> >
> > arch/arm/mach-xilinx/include/mach/clkdev.h | 33
++++++++++++++++
> > arch/arm/mach-xilinx/include/mach/debug-macro.S | 36
+++++++++++++++++
> > arch/arm/mach-xilinx/include/mach/entry-macro.S | 30
++++++++++++++
> > arch/arm/mach-xilinx/include/mach/hardware.h | 18 +++++++++
> > arch/arm/mach-xilinx/include/mach/io.h | 33
++++++++++++++++
> > arch/arm/mach-xilinx/include/mach/irqs.h | 29
++++++++++++++
> > arch/arm/mach-xilinx/include/mach/memory.h | 23 +++++++++++
> > arch/arm/mach-xilinx/include/mach/system.h | 28
+++++++++++++
> > arch/arm/mach-xilinx/include/mach/timex.h | 24 ++++++++++++
> > arch/arm/mach-xilinx/include/mach/uart.h | 31
+++++++++++++++
> > arch/arm/mach-xilinx/include/mach/uncompress.h | 47
+++++++++++++++++++++++
> > arch/arm/mach-xilinx/include/mach/vmalloc.h | 20 ++++++++++
> > arch/arm/mach-xilinx/include/mach/xilinx_soc.h | 46
++++++++++++++++++++++
> > 13 files changed, 398 insertions(+), 0 deletions(-)
> > create mode 100644 arch/arm/mach-xilinx/include/mach/clkdev.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/debug-macro.S
> > create mode 100644 arch/arm/mach-xilinx/include/mach/entry-macro.S
> > create mode 100644 arch/arm/mach-xilinx/include/mach/hardware.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/io.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/irqs.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/memory.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/system.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/timex.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/uart.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/uncompress.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/vmalloc.h
> > create mode 100644 arch/arm/mach-xilinx/include/mach/xilinx_soc.h
> >
> > diff --git a/arch/arm/mach-xilinx/include/mach/clkdev.h
b/arch/arm/mach-xilinx/include/mach/clkdev.h
> > new file mode 100644
> > index 0000000..5dd1453
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/clkdev.h
> > @@ -0,0 +1,33 @@
> > +/*
> > + * arch/arm/mach-xilinx/include/mach/clkdev.h
> > + *
> > + * Copyright (C) 2011 Xilinx, Inc.
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + *
> > + */
> > +
> > +#ifndef __MACH_CLKDEV_H__
> > +#define __MACH_CLKDEV_H__
> > +
> > +struct clk {
> > + unsigned long rate;
> > +};
> > +
> > +static inline int __clk_get(struct clk *clk)
> > +{
> > + return 1;
> > +}
> > +
> > +static inline void __clk_put(struct clk *clk)
> > +{
> > +}
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/debug-macro.S
b/arch/arm/mach-
> xilinx/include/mach/debug-macro.S
> > new file mode 100644
> > index 0000000..30d3d3d
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/debug-macro.S
> > @@ -0,0 +1,36 @@
> > +/* arch/arm/mach-xilinx/include/mach/debug-macro.S
> > + *
> > + * Debugging macro include header
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#include <mach/xilinx_soc.h>
> > +#include <mach/uart.h>
> > +
> > + .macro addruart, rp, rv
> > + ldr \rp, =LL_UART_PADDR @ physical
> > + ldr \rv, =LL_UART_VADDR @ virtual
> > + .endm
> > +
> > + .macro senduart,rd,rx
> > + str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA
> > + .endm
> > +
> > + .macro waituart,rd,rx
> > + .endm
> > +
> > + .macro busyuart,rd,rx
> > +1002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get
status register
> > + tst \rd, #UART_SR_TXFULL @
> > + bne 1002b @ wait if FIFO is full
> > + .endm
> > diff --git a/arch/arm/mach-xilinx/include/mach/entry-macro.S
b/arch/arm/mach-
> xilinx/include/mach/entry-macro.S
> > new file mode 100644
> > index 0000000..11a2866
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/entry-macro.S
> > @@ -0,0 +1,30 @@
> > +/*
> > + * arch/arm/mach-xilinx/include/mach/entry-macro.S
> > + *
> > + * Low-level IRQ helper macros
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * based on arch/plat-mxc/include/mach/entry-macro.S
> > + *
> > + * Copyright (C) 2007 Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>
> > + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights
Reserved.
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#include <mach/hardware.h>
> > +#include <asm/hardware/entry-macro-gic.S>
> > +
> > + .macro disable_fiq
> > + .endm
> > +
> > + .macro arch_ret_to_user, tmp1, tmp2
> > + .endm
> > diff --git a/arch/arm/mach-xilinx/include/mach/hardware.h
b/arch/arm/mach-
> xilinx/include/mach/hardware.h
> > new file mode 100644
> > index 0000000..f9685c4
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/hardware.h
> > @@ -0,0 +1,18 @@
> > +/* arch/arm/mach-xilinx/include/mach/hardware.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_HARDWARE_H__
> > +#define __MACH_HARDWARE_H__
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/io.h
b/arch/arm/mach-xilinx/include/mach/io.h
> > new file mode 100644
> > index 0000000..ef69e65
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/io.h
> > @@ -0,0 +1,33 @@
> > +/* arch/arm/mach-xilinx/include/mach/io.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_IO_H__
> > +#define __MACH_IO_H__
> > +
> > +/* Allow IO space to be anywhere in the memory */
> > +
> > +#define IO_SPACE_LIMIT 0xffff
> > +
> > +/* IO address mapping macros, nothing special at this time but
required */
> > +
> > +#ifdef __ASSEMBLER__
> > +#define IOMEM(x) (x)
> > +#else
> > +#define IOMEM(x) ((void __force __iomem *)(x))
> > +#endif
> > +
> > +#define __io(a) __typesafe_io(a)
> > +#define __mem_pci(a) (a)
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/irqs.h
b/arch/arm/mach-xilinx/include/mach/irqs.h
> > new file mode 100644
> > index 0000000..47a8162
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/irqs.h
> > @@ -0,0 +1,29 @@
> > +/* arch/arm/mach-xilinx/include/mach/irqs.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_IRQS_H
> > +#define __MACH_IRQS_H
> > +
> > +#define ARCH_NR_GPIOS 118
> > +#define NR_IRQS (128 + ARCH_NR_GPIOS)
> > +
> > +/*
> > + * GIC Interrupts
> > + */
> > +
> > +#define IRQ_GIC_SPI_START 32
> > +#define IRQ_TIMERCOUNTER0 42
> > +#define IRQ_UART0 59
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/memory.h
b/arch/arm/mach-xilinx/include/mach/memory.h
> > new file mode 100644
> > index 0000000..c200486
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/memory.h
> > @@ -0,0 +1,23 @@
> > +/* arch/arm/mach-xilinx/include/mach/memory.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_MEMORY_H__
> > +#define __MACH_MEMORY_H__
> > +
> > +#include <mach/hardware.h>
> > +
> > +#define PHYS_OFFSET 0x0
>
> This should be PLAT_PHYS_OFFSET and could do with being surrounded
with
> UL() e.g.
>
> #define PLAT_PHYS_OFFSET UL(0x00000000)

I think Russell mentioned it was changing in the future but I didn't
know when to do it.

Easy enough.

>
> > +#define MEM_SIZE SZ_256M
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/system.h
b/arch/arm/mach-xilinx/include/mach/system.h
> > new file mode 100644
> > index 0000000..e8514a0
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/system.h
> > @@ -0,0 +1,28 @@
> > +/* arch/arm/mach-xilinx/include/mach/system.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_SYSTEM_H__
> > +#define __MACH_SYSTEM_H__
> > +
> > +static inline void arch_idle(void)
> > +{
> > + cpu_do_idle();
> > +}
> > +
> > +static inline void arch_reset(char mode, const char *cmd)
> > +{
> > + /* Add architecture specific reset processing here */
>
> I think you can add cpu_reset(0) in here to try a soft reset by
jumping
> to the reset vector. This should give you some reset functionality.
>

Will look at that. I think it requires a lot more than that for our
platform to clean up.

> > +}
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/timex.h
b/arch/arm/mach-xilinx/include/mach/timex.h
> > new file mode 100644
> > index 0000000..6765e15
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/timex.h
> > @@ -0,0 +1,24 @@
> > +/* arch/arm/mach-xilinx/include/mach/timex.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_TIMEX_H__
> > +#define __MACH_TIMEX_H__
> > +
> > +#include <mach/hardware.h>
>
> I don't think you need mach/hardware.h included in here.
>

Looks like that's true. I should have caught that.

> > +
> > +#define PERIPHERAL_CLOCK_RATE 2500000
> > +
> > +#define CLOCK_TICK_RATE (PERIPHERAL_CLOCK_RATE / 32)
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/uart.h
b/arch/arm/mach-xilinx/include/mach/uart.h
> > new file mode 100644
> > index 0000000..20a10d7
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/uart.h
> > @@ -0,0 +1,31 @@
> > +/* arch/arm/mach-xilinx/include/mach/uart.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_UART_H__
> > +#define __MACH_UART_H__
> > +
> > +#define UART_CR_OFFSET 0x00 /* Control Register [8:0] */
> > +#define UART_SR_OFFSET 0x2C /* Channel Status [11:0] */
> > +#define UART_FIFO_OFFSET 0x30 /* FIFO [15:0] or [7:0] */
> > +
> > +#define UART_SR_TXFULL 0x00000010 /* TX FIFO full
*/
> > +#define UART_SR_TXEMPTY 0x00000008 /* TX FIFO empty
*/
> > +
> > +#define UART_FIFO_WRITE(base, value) \
> > + (*(volatile unsigned int *)((base) + UART_FIFO_OFFSET) =
(value))
> > +
> > +#define UART_STATUS(base) \
> > + (*(volatile unsigned int *)((base) + UART_SR_OFFSET))
>
> You could probably make these static inline functions in the header
and
> use __raw_{readl,writel}() to make this a little cleaner.
>

I had considered that, but it wasn't clear to me at the time what the
compressor could use or not.

I'll give it a try as I agree that's cleaner.

> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/uncompress.h
b/arch/arm/mach-
> xilinx/include/mach/uncompress.h
> > new file mode 100644
> > index 0000000..b7a5110
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/uncompress.h
> > @@ -0,0 +1,47 @@
> > +/* arch/arm/mach-xilinx/include/mach/uncompress.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_UNCOMPRESS_H__
> > +#define __MACH_UNCOMPRESS_H__
> > +
> > +#include <mach/xilinx_soc.h>
> > +#include <mach/uart.h>
> > +
> > +void arch_decomp_setup(void)
> > +{
> > +}
> > +
> > +static inline void flush(void)
> > +{
> > + /*
> > + * Wait while the FIFO is not empty
> > + */
> > + while (!(UART_STATUS(LL_UART_PADDR) & UART_SR_TXEMPTY))
> > + ;
> > +}
> > +
> > +#define arch_decomp_wdog()
> > +
> > +static void putc(char ch)
> > +{
> > + /*
> > + * Wait for room in the FIFO, then write the char into the FIFO
> > + */
> > + while (UART_STATUS(LL_UART_PADDR) & UART_SR_TXFULL)
> > + ;
>
> It might be worth adding a barrier() call to these loops to be
explicit
> about the volatility.

OK

I appreciate all your help and time to review, both you and Russell. I'm
learning a lot and it's much
cleaner too.

I hope there's an ack in the near future :)

Thanks
John

>
> > +
> > + UART_FIFO_WRITE(LL_UART_PADDR, ch);
> > +}
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/vmalloc.h
b/arch/arm/mach-
> xilinx/include/mach/vmalloc.h
> > new file mode 100644
> > index 0000000..aba20a3
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/vmalloc.h
> > @@ -0,0 +1,20 @@
> > +/* arch/arm/mach-xilinx/include/mach/vmalloc.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_VMALLOC_H__
> > +#define __MACH_VMALLOC_H__
> > +
> > +#define VMALLOC_END 0xE0000000UL
> > +
> > +#endif
> > diff --git a/arch/arm/mach-xilinx/include/mach/xilinx_soc.h
b/arch/arm/mach-
> xilinx/include/mach/xilinx_soc.h
> > new file mode 100644
> > index 0000000..d01cde1
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/xilinx_soc.h
> > @@ -0,0 +1,46 @@
> > +/* arch/arm/mach-xilinx/include/mach/xilinx_soc.h
> > + *
> > + * Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + */
> > +
> > +#ifndef __MACH_XILINX_SOC_H__
> > +#define __MACH_XILINX_SOC_H__
> > +
> > +/* For now, all mappings are flat (physical = virtual)
> > + */
> > +#define UART0_PHYS 0xE0000000
> > +#define UART0_VIRT UART0_PHYS
> > +
> > +#define TTC0_PHYS 0xF8001000
> > +#define TTC0_VIRT TTC0_PHYS
> > +
> > +#define PL310_L2CC_PHYS 0xF8F02000
> > +#define PL310_L2CC_VIRT PL310_L2CC_PHYS
> > +
> > +#define SCU_PERIPH_PHYS 0xF8F00000
> > +#define SCU_PERIPH_VIRT SCU_PERIPH_PHYS
> > +
> > +/* The following are intended for the devices that are mapped early
*/
> > +
> > +#define TTC0_BASE IOMEM(TTC0_VIRT)
> > +#define SCU_PERIPH_BASE IOMEM(SCU_PERIPH_VIRT)
> > +#define SCU_GIC_CPU_BASE (SCU_PERIPH_BASE + 0x100)
> > +#define SCU_GIC_DIST_BASE (SCU_PERIPH_BASE + 0x1000)
> > +#define PL310_L2CC_BASE IOMEM(PL310_L2CC_VIRT)
> > +
> > +/*
> > + * Mandatory for CONFIG_LL_DEBUG, UART is mapped virtual = physical
> > + */
> > +#define LL_UART_PADDR UART0_PHYS
> > +#define LL_UART_VADDR UART0_VIRT
> > +
> > +#endif
> > --
> > 1.6.2.1
> >
> >
> >
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