ARM: 6012/1: ST SPEAr: Added basic header files for SPEAr platform
authorviresh kumar <viresh.kumar@st.com>
Thu, 1 Apr 2010 11:30:42 +0000 (12:30 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 14 Apr 2010 10:31:58 +0000 (11:31 +0100)
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>
arch/arm/plat-spear/include/plat/debug-macro.S [new file with mode: 0644]
arch/arm/plat-spear/include/plat/gpio.h [new file with mode: 0644]
arch/arm/plat-spear/include/plat/io.h [new file with mode: 0644]
arch/arm/plat-spear/include/plat/memory.h [new file with mode: 0644]
arch/arm/plat-spear/include/plat/system.h [new file with mode: 0644]
arch/arm/plat-spear/include/plat/timex.h [new file with mode: 0644]
arch/arm/plat-spear/include/plat/uncompress.h [new file with mode: 0644]
arch/arm/plat-spear/include/plat/vmalloc.h [new file with mode: 0644]

diff --git a/arch/arm/plat-spear/include/plat/debug-macro.S b/arch/arm/plat-spear/include/plat/debug-macro.S
new file mode 100644 (file)
index 0000000..1670734
--- /dev/null
@@ -0,0 +1,38 @@
+/*
+ * 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
diff --git a/arch/arm/plat-spear/include/plat/gpio.h b/arch/arm/plat-spear/include/plat/gpio.h
new file mode 100644 (file)
index 0000000..b857c91
--- /dev/null
@@ -0,0 +1,24 @@
+/*
+ * 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 */
diff --git a/arch/arm/plat-spear/include/plat/io.h b/arch/arm/plat-spear/include/plat/io.h
new file mode 100644 (file)
index 0000000..4d4ba82
--- /dev/null
@@ -0,0 +1,22 @@
+/*
+ * 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 */
diff --git a/arch/arm/plat-spear/include/plat/memory.h b/arch/arm/plat-spear/include/plat/memory.h
new file mode 100644 (file)
index 0000000..27a4aba
--- /dev/null
@@ -0,0 +1,20 @@
+/*
+ * 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 */
diff --git a/arch/arm/plat-spear/include/plat/system.h b/arch/arm/plat-spear/include/plat/system.h
new file mode 100644 (file)
index 0000000..55a4e40
--- /dev/null
@@ -0,0 +1,41 @@
+/*
+ * 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 */
diff --git a/arch/arm/plat-spear/include/plat/timex.h b/arch/arm/plat-spear/include/plat/timex.h
new file mode 100644 (file)
index 0000000..914d09d
--- /dev/null
@@ -0,0 +1,19 @@
+/*
+ * 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 */
diff --git a/arch/arm/plat-spear/include/plat/uncompress.h b/arch/arm/plat-spear/include/plat/uncompress.h
new file mode 100644 (file)
index 0000000..99ba678
--- /dev/null
@@ -0,0 +1,43 @@
+/*
+ * 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 */
diff --git a/arch/arm/plat-spear/include/plat/vmalloc.h b/arch/arm/plat-spear/include/plat/vmalloc.h
new file mode 100644 (file)
index 0000000..09e9372
--- /dev/null
@@ -0,0 +1,19 @@
+/*
+ * 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 */