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ARM: 6012/1: ST SPEAr: Added basic header files for SPEAr platform

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Reviewed-by: Linus Walleij <linux.walleij@stericsson.com>

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
viresh kumar 2010-04-01 12:30:42 +01:00 • committed by Russell King
commit bf976b51a3
8 changed files with 226 additions and 0 deletions
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38
arch/arm/plat-spear/include/plat/debug-macro.S Normal file
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/*
* arch/arm/plat-spear/include/plat/debug-macro.S
*
* Debugging macro include header for spear platform
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/amba/serial.h>
#include <mach/spear.h>
.macro addruart, rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, =SPEAR_DBG_UART_BASE @ Physical base
movne \rx, =VA_SPEAR_DBG_UART_BASE @ Virtual base
.endm
.macro senduart, rd, rx
strb \rd, [\rx, #UART01x_DR] @ ASC_TX_BUFFER
.endm
.macro waituart, rd, rx
1001: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER
tst \rd, #UART01x_FR_TXFF @ TX_FULL
bne 1001b
.endm
.macro busyuart, rd, rx
1002: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER
tst \rd, #UART011_FR_TXFE @ TX_EMPTY
beq 1002b
.endm

24
arch/arm/plat-spear/include/plat/gpio.h Normal file
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/*
* arch/arm/plat-spear/include/plat/gpio.h
*
* GPIO macros for SPEAr platform
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_GPIO_H
#define __PLAT_GPIO_H
#include <asm-generic/gpio.h>
#define gpio_get_value __gpio_get_value
#define gpio_set_value __gpio_set_value
#define gpio_cansleep __gpio_cansleep
#define gpio_to_irq __gpio_to_irq
#endif /* __PLAT_GPIO_H */

22
arch/arm/plat-spear/include/plat/io.h Normal file
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/*
* arch/arm/plat-spear/include/plat/io.h
*
* IO definitions for SPEAr platform
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_IO_H
#define __PLAT_IO_H
#define IO_SPACE_LIMIT 0xFFFFFFFF
#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
#endif /* __PLAT_IO_H */

20
arch/arm/plat-spear/include/plat/memory.h Normal file
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/*
* arch/arm/plat-spear/include/plat/memory.h
*
* Memory map for SPEAr platform
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_MEMORY_H
#define __PLAT_MEMORY_H
/* Physical DRAM offset */
#define PHYS_OFFSET UL(0x00000000)
#endif /* __PLAT_MEMORY_H */

41
arch/arm/plat-spear/include/plat/system.h Normal file
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/*
* arch/arm/plat-spear/include/plat/system.h
*
* SPEAr platform specific architecture functions
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_SYSTEM_H
#define __PLAT_SYSTEM_H
#include <asm/hardware/sp810.h>
#include <linux/io.h>
#include <mach/spear.h>
static inline void arch_idle(void)
{
/*
* This should do all the clock switching
* and wait for interrupt tricks
*/
cpu_do_idle();
}
static inline void arch_reset(char mode, const char *cmd)
{
if (mode == 's') {
/* software reset, Jump into ROM at address 0 */
cpu_reset(0);
} else {
/* hardware reset, Use on-chip reset capability */
sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
}
}
#endif /* __PLAT_SYSTEM_H */

19
arch/arm/plat-spear/include/plat/timex.h Normal file
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/*
* arch/arm/plat-spear/include/plat/timex.h
*
* SPEAr platform specific timex definitions
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_TIMEX_H
#define __PLAT_TIMEX_H
#define CLOCK_TICK_RATE 48000000
#endif /* __PLAT_TIMEX_H */

43
arch/arm/plat-spear/include/plat/uncompress.h Normal file
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/*
* arch/arm/plat-spear/include/plat/uncompress.h
*
* Serial port stubs for kernel decompress status messages
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/io.h>
#include <linux/amba/serial.h>
#include <mach/spear.h>
#ifndef __PLAT_UNCOMPRESS_H
#define __PLAT_UNCOMPRESS_H
/*
* This does not append a newline
*/
static inline void putc(int c)
{
void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE;
while (readl(base + UART01x_FR) & UART01x_FR_TXFF)
barrier();
writel(c, base + UART01x_DR);
}
static inline void flush(void)
{
}
/*
* nothing to do
*/
#define arch_decomp_setup()
#define arch_decomp_wdog()
#endif /* __PLAT_UNCOMPRESS_H */

19
arch/arm/plat-spear/include/plat/vmalloc.h Normal file
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/*
* arch/arm/plat-spear/include/plat/vmalloc.h
*
* Defining Vmalloc area for SPEAr platform
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_VMALLOC_H
#define __PLAT_VMALLOC_H
#define VMALLOC_END 0xF0000000
#endif /* __PLAT_VMALLOC_H */