initial_commit

1 files changed, 145 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
new file mode 100644
index 00000000..92e777e1
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -0,0 +1,145 @@
+/*
+ *  arch/arm/plat-mxc/include/mach/uncompress.h
+ *
+ *  Copyright (C) 1999 ARM Limited
+ *  Copyright (C) Shane Nay (shane@minirl.com)
+ *
+ * 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.
+ */
+#ifndef __ASM_ARCH_MXC_UNCOMPRESS_H__
+#define __ASM_ARCH_MXC_UNCOMPRESS_H__
+
+#define __MXC_BOOT_UNCOMPRESS
+
+#include <asm/mach-types.h>
+
+unsigned long uart_base;
+
+#define UART(x) (*(volatile unsigned long *)(uart_base + (x)))
+
+#define USR2 0x98
+#define USR2_TXFE (1<<14)
+#define TXR  0x40
+#define UCR1 0x80
+#define UCR1_UARTEN 1
+
+/*
+ * The following code assumes the serial port has already been
+ * initialized by the bootloader.  We search for the first enabled
+ * port in the most probable order.  If you didn't setup a port in
+ * your bootloader then nothing will appear (which might be desired).
+ *
+ * This does not append a newline
+ */
+
+static void putc(int ch)
+{
+	if (!uart_base)
+		return;
+	if (!(UART(UCR1) & UCR1_UARTEN))
+		return;
+
+	while (!(UART(USR2) & USR2_TXFE))
+		barrier();
+
+	UART(TXR) = ch;
+}
+
+static inline void flush(void)
+{
+}
+
+#define MX1_UART1_BASE_ADDR	0x00206000
+#define MX25_UART1_BASE_ADDR	0x43f90000
+#define MX2X_UART1_BASE_ADDR	0x1000a000
+#define MX3X_UART1_BASE_ADDR	0x43F90000
+#define MX3X_UART2_BASE_ADDR	0x43F94000
+#define MX3X_UART5_BASE_ADDR	0x43FB4000
+#define MX51_UART1_BASE_ADDR	0x73fbc000
+#define MX50_UART1_BASE_ADDR	0x53fbc000
+#define MX53_UART1_BASE_ADDR	0x53fbc000
+#define MX6Q_UART4_BASE_ADDR    0x021f0000
+#define MX6Q_UART2_BASE_ADDR    0x021e8000
+#define MX6Q_UART1_BASE_ADDR    0x02020000
+
+static __inline__ void __arch_decomp_setup(unsigned long arch_id)
+{
+	switch (arch_id) {
+	case MACH_TYPE_MX1ADS:
+	case MACH_TYPE_SCB9328:
+		uart_base = MX1_UART1_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX25_3DS:
+		uart_base = MX25_UART1_BASE_ADDR;
+		break;
+	case MACH_TYPE_IMX27LITE:
+	case MACH_TYPE_MX27_3DS:
+	case MACH_TYPE_MX27ADS:
+	case MACH_TYPE_PCM038:
+	case MACH_TYPE_MX21ADS:
+	case MACH_TYPE_PCA100:
+	case MACH_TYPE_MXT_TD60:
+	case MACH_TYPE_IMX27IPCAM:
+		uart_base = MX2X_UART1_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX31LITE:
+	case MACH_TYPE_ARMADILLO5X0:
+	case MACH_TYPE_MX31MOBOARD:
+	case MACH_TYPE_QONG:
+	case MACH_TYPE_MX31_3DS:
+	case MACH_TYPE_PCM037:
+	case MACH_TYPE_MX31ADS:
+	case MACH_TYPE_MX35_3DS:
+	case MACH_TYPE_PCM043:
+	case MACH_TYPE_LILLY1131:
+	case MACH_TYPE_VPR200:
+		uart_base = MX3X_UART1_BASE_ADDR;
+		break;
+	case MACH_TYPE_MAGX_ZN5:
+		uart_base = MX3X_UART2_BASE_ADDR;
+		break;
+	case MACH_TYPE_BUG:
+		uart_base = MX3X_UART5_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX51_BABBAGE:
+	case MACH_TYPE_EUKREA_CPUIMX51SD:
+	case MACH_TYPE_MX51_3DS:
+		uart_base = MX51_UART1_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX50_RDP:
+		uart_base = MX50_UART1_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX53_EVK:
+	case MACH_TYPE_MX53_LOCO:
+	case MACH_TYPE_MX53_SMD:
+		uart_base = MX53_UART1_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX6Q_ARM2:
+		uart_base = MX6Q_UART4_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX6Q_SABRELITE:
+		uart_base = MX6Q_UART2_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX6Q_SABRESD:
+		uart_base = MX6Q_UART1_BASE_ADDR;
+		break;
+	case MACH_TYPE_MX6Q_SABREAUTO:
+		uart_base = MX6Q_UART4_BASE_ADDR;
+		break;
+	default:
+		break;
+	}
+}
+
+#define arch_decomp_setup()	__arch_decomp_setup(arch_id)
+#define arch_decomp_wdog()
+
+#endif				/* __ASM_ARCH_MXC_UNCOMPRESS_H__ */