aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ux500/include/mach/uncompress.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ux500/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-ux500/include/mach/uncompress.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/include/mach/uncompress.h b/arch/arm/mach-ux500/include/mach/uncompress.h
new file mode 100644
index 00000000..088b550c
--- /dev/null
+++ b/arch/arm/mach-ux500/include/mach/uncompress.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2009 ST-Ericsson
+ *
+ * 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_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <linux/io.h>
+#include <linux/amba/serial.h>
+#include <mach/hardware.h>
+
+u32 ux500_uart_base;
+
+static void putc(const char c)
+{
+ /* Do nothing if the UART is not enabled. */
+ if (!(__raw_readb(ux500_uart_base + UART011_CR) & 0x1))
+ return;
+
+ if (c == '\n')
+ putc('\r');
+
+ while (__raw_readb(ux500_uart_base + UART01x_FR) & (1 << 5))
+ barrier();
+ __raw_writeb(c, ux500_uart_base + UART01x_DR);
+}
+
+static void flush(void)
+{
+ if (!(__raw_readb(ux500_uart_base + UART011_CR) & 0x1))
+ return;
+ while (__raw_readb(ux500_uart_base + UART01x_FR) & (1 << 3))
+ barrier();
+}
+
+static inline void arch_decomp_setup(void)
+{
+ /* Check in run time if we run on an U8500 or U5500 */
+ if (machine_is_u8500() ||
+ machine_is_svp8500v1() ||
+ machine_is_svp8500v2() ||
+ machine_is_hrefv60())
+ ux500_uart_base = U8500_UART2_BASE;
+ else if (machine_is_u5500())
+ ux500_uart_base = U5500_UART0_BASE;
+ else /* not much can be done to help here */
+ ux500_uart_base = U8500_UART2_BASE;
+}
+
+#define arch_decomp_wdog() /* nothing to do here */
+
+#endif /* __ASM_ARCH_UNCOMPRESS_H */