Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 97 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
new file mode 100644
index 000000000..53b456a5b
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -0,0 +1,97 @@
+/*
+ * Serial port stubs for kernel decompress status messages
+ *
+ * Initially based on:
+ * arch/arm/plat-omap/include/mach/uncompress.h
+ *
+ * Original copyrights follow.
+ *
+ * Copyright (C) 2000 RidgeRun, Inc.
+ * Author: Greg Lonnon <glonnon@ridgerun.com>
+ *
+ * Rewritten by:
+ * Author: <source@mvista.com>
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * 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/types.h>
+#include <linux/serial_reg.h>
+
+#include <asm/mach-types.h>
+
+#include <mach/serial.h>
+
+#define IOMEM(x)	((void __force __iomem *)(x))
+
+u32 *uart;
+
+/* PORT_16C550A, in polled non-fifo mode */
+static inline void putc(char c)
+{
+	if (!uart)
+		return;
+
+	while (!(uart[UART_LSR] & UART_LSR_THRE))
+		barrier();
+	uart[UART_TX] = c;
+}
+
+static inline void flush(void)
+{
+	if (!uart)
+		return;
+
+	while (!(uart[UART_LSR] & UART_LSR_THRE))
+		barrier();
+}
+
+static inline void set_uart_info(u32 phys)
+{
+	uart = (u32 *)phys;
+}
+
+#define _DEBUG_LL_ENTRY(machine, phys)				\
+	{							\
+		if (machine_is_##machine()) {			\
+			set_uart_info(phys);			\
+			break;					\
+		}						\
+	}
+
+#define DEBUG_LL_DAVINCI(machine, port)				\
+	_DEBUG_LL_ENTRY(machine, DAVINCI_UART##port##_BASE)
+
+#define DEBUG_LL_DA8XX(machine, port)				\
+	_DEBUG_LL_ENTRY(machine, DA8XX_UART##port##_BASE)
+
+static inline void __arch_decomp_setup(unsigned long arch_id)
+{
+	/*
+	 * Initialize the port based on the machine ID from the bootloader.
+	 * Note that we're using macros here instead of switch statement
+	 * as machine_is functions are optimized out for the boards that
+	 * are not selected.
+	 */
+	do {
+		/* Davinci boards */
+		DEBUG_LL_DAVINCI(davinci_evm,		0);
+		DEBUG_LL_DAVINCI(sffsdr,		0);
+		DEBUG_LL_DAVINCI(neuros_osd2,		0);
+		DEBUG_LL_DAVINCI(davinci_dm355_evm,	0);
+		DEBUG_LL_DAVINCI(dm355_leopard,		0);
+		DEBUG_LL_DAVINCI(davinci_dm6467_evm,	0);
+		DEBUG_LL_DAVINCI(davinci_dm365_evm,	0);
+
+		/* DA8xx boards */
+		DEBUG_LL_DA8XX(davinci_da830_evm,	2);
+		DEBUG_LL_DA8XX(davinci_da850_evm,	2);
+		DEBUG_LL_DA8XX(mityomapl138,		1);
+		DEBUG_LL_DA8XX(omapl138_hawkboard,	2);
+	} while (0);
+}
+
+#define arch_decomp_setup()	__arch_decomp_setup(arch_id)