Add MX25 support

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

5 files changed, 205 insertions, 0 deletions

diff --git a/include/asm-arm/arch-imx/imx-regs.h b/include/asm-arm/arch-imx/imx-regs.h
index a4ba5ef6b2..b7a83a4e25 100644
--- a/include/asm-arm/arch-imx/imx-regs.h
+++ b/include/asm-arm/arch-imx/imx-regs.h
@@ -49,6 +49,8 @@
 # include <asm/arch/imx31-regs.h>
 #elif defined CONFIG_ARCH_IMX35
 # include <asm/arch/imx35-regs.h>
+#elif defined CONFIG_ARCH_IMX25
+# include <asm/arch/imx25-regs.h>
 #else
 # error "unknown i.MX soc type"
 #endif
diff --git a/include/asm-arm/arch-imx/imx25-flash-header.h b/include/asm-arm/arch-imx/imx25-flash-header.h
new file mode 100644
index 0000000000..59860dbda7
--- /dev/null
+++ b/include/asm-arm/arch-imx/imx25-flash-header.h
@@ -0,0 +1,44 @@
+
+#define __flash_header_start	__section(.flash_header_start)
+#define __flash_header		__section(.flash_header)
+#define __dcd_entry		__section(.dcd_entry)
+#define __image_len		__section(.image_len)
+
+struct mx25_dcd_entry {
+	unsigned long ptr_type;
+	unsigned long addr;
+	unsigned long val;
+};
+
+#define DCD_BARKER	0xb17219e9
+
+struct mx25_dcd_header {
+	unsigned long barker;
+	unsigned long block_len;
+};
+
+struct mx25_rsa_public_key {
+	unsigned char	rsa_exponent[4];
+	unsigned char	*rsa_modululs;
+	unsigned short	*exponent_size;
+	unsigned short	modulus_size;
+	unsigned char	init_flag;
+};
+
+#define APP_CODE_BARKER	0x000000b1
+
+struct mx25_flash_header {
+	void				*app_code_jump_vector;
+	unsigned long			app_code_barker;
+	void				*app_code_csf;
+	struct mx25_dcd_header		**dcd_ptr_ptr;
+	struct mx25_rsa_public_key	*super_root_key;
+	struct mx25_dcd_header		*dcd;
+	void				*app_dest;
+};
+
+struct mx25_nand_flash_header {
+	struct mx25_flash_header	flash_header;
+	struct mx25_dcd_header		dcd_header;
+};
+
diff --git a/include/asm-arm/arch-imx/imx25-regs.h b/include/asm-arm/arch-imx/imx25-regs.h
new file mode 100644
index 0000000000..efbdbaad9b
--- /dev/null
+++ b/include/asm-arm/arch-imx/imx25-regs.h
@@ -0,0 +1,142 @@
+/*
+ * (c) 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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_MX25_REGS_H
+#define __ASM_ARCH_MX35_REGS_H
+
+/*
+ * sanity check
+ */
+#ifndef _IMX_REGS_H
+# error "Please do not include directly. Use imx-regs.h instead."
+#endif
+
+#define IMX_L2CC_BASE		0x30000000
+#define IMX_UART1_BASE		0x43F90000
+#define IMX_UART2_BASE		0x43F94000
+#define IMX_TIM1_BASE		0x53F90000
+#define IMX_IOMUXC_BASE		0x43FAC000
+#define IMX_WDT_BASE		0x53FDC000
+#define IMX_MAX_BASE		0x43F04000
+#define IMX_ESD_BASE		0xb8001000
+#define IMX_AIPS1_BASE		0x43F00000
+#define IMX_AIPS2_BASE		0x53F00000
+#define IMX_CCM_BASE		0x53F80000
+#define IMX_IIM_BASE		0x53FF0000
+#define IMX_OTG_BASE		0x53FF4000
+#define IMX_M3IF_BASE		0xB8003000
+#define IMX_NAND_BASE		0xBB000000
+
+/*
+ * Clock Controller Module (CCM)
+ */
+#define CCM_MPCTL	0x00
+#define CCM_UPCTL	0x04
+#define CCM_CCTL	0x08
+#define CCM_CGCR0	0x0C
+#define CCM_CGCR1	0x10
+#define CCM_CGCR2	0x14
+#define CCM_PCDR0	0x18
+#define CCM_PCDR1	0x1C
+#define CCM_PCDR2	0x20
+#define CCM_PCDR3	0x24
+#define CCM_RCSR	0x28
+#define CCM_CRDR	0x2C
+#define CCM_DCVR0	0x30
+#define CCM_DCVR1	0x34
+#define CCM_DCVR2	0x38
+#define CCM_DCVR3	0x3c
+#define CCM_LTR0	0x40
+#define CCM_LTR1	0x44
+#define CCM_LTR2	0x48
+#define CCM_LTR3	0x4c
+
+#define PDR0_AUTO_MUX_DIV(x)	(((x) & 0x7) << 9)
+#define PDR0_CCM_PER_AHB(x)	(((x) & 0x7) << 12)
+#define PDR0_CON_MUX_DIV(x)	(((x) & 0xf) << 16)
+#define PDR0_HSP_PODF(x)	(((x) & 0x3) << 20)
+#define PDR0_AUTO_CON		(1 << 0)
+#define PDR0_PER_SEL		(1 << 26)
+
+/*
+ * Adresses and ranges of the external chip select lines
+ */
+#define IMX_CS0_BASE	0xA0000000
+#define IMX_CS0_RANGE	(128 * 1024 * 1024)
+#define IMX_CS1_BASE	0xA8000000
+#define IMX_CS1_RANGE	(128 * 1024 * 1024)
+#define IMX_CS2_BASE	0xB0000000
+#define IMX_CS2_RANGE	(32 * 1024 * 1024)
+#define IMX_CS3_BASE	0xB2000000
+#define IMX_CS3_RANGE	(32 * 1024 * 1024)
+#define IMX_CS4_BASE	0xB4000000
+#define IMX_CS4_RANGE	(32 * 1024 * 1024)
+#define IMX_CS5_BASE	0xB6000000
+#define IMX_CS5_RANGE	(32 * 1024 * 1024)
+
+#define IMX_SDRAM_CS0  0x80000000
+#define IMX_SDRAM_CS1  0x90000000
+
+#define WEIM_BASE 0xb8002000
+#define CSCR_U(x)     (WEIM_BASE + (x) * 0x10)
+#define CSCR_L(x)     (WEIM_BASE + 4 + (x) * 0x10)
+#define CSCR_A(x)     (WEIM_BASE + 8 + (x) * 0x10)
+
+/*
+ * Definitions for the clocksource driver
+ *
+ * These defines are using the i.MX1/27 notation
+ * to reuse the clocksource code for these CPUs
+ * on the i.MX35
+ */
+/* Part 1: Registers */
+#define GPT_TCTL   0x00
+#define GPT_TPRER  0x04
+#define GPT_TCMP   0x10
+#define GPT_TCR    0x1c
+#define GPT_TCN    0x24
+#define GPT_TSTAT  0x08
+
+/* Part 2: Bitfields */
+#define TCTL_SWR       (1<<15) /* Software reset */
+#define TCTL_FRR       (1<<9)  /* Freerun / restart */
+#define TCTL_CAP       (3<<6)  /* Capture Edge */
+#define TCTL_OM        (1<<5)  /* output mode */
+#define TCTL_IRQEN     (1<<4)  /* interrupt enable */
+#define TCTL_CLKSOURCE (6)     /* Clock source bit position */
+#define TCTL_TEN       (1)     /* Timer enable */
+#define TPRER_PRES     (0xff)  /* Prescale */
+#define TSTAT_CAPT     (1<<1)  /* Capture event */
+#define TSTAT_COMP     (1)     /* Compare event */
+
+/*
+ * Watchdog Registers
+ */
+#define WCR  __REG16(IMX_WDT_BASE + 0x00) /* Watchdog Control Register */
+#define WSR  __REG16(IMX_WDT_BASE + 0x02) /* Watchdog Service Register */
+#define WSTR __REG16(IMX_WDT_BASE + 0x04) /* Watchdog Status Register  */
+
+/* important definition of some bits of WCR */
+#define WCR_WDE 0x04
+
+#endif /* __ASM_ARCH_MX25_REGS_H */
+
diff --git a/include/asm-arm/arch-imx/u-boot.lds.h b/include/asm-arm/arch-imx/u-boot.lds.h
new file mode 100644
index 0000000000..52eb458f0f
--- /dev/null
+++ b/include/asm-arm/arch-imx/u-boot.lds.h
@@ -0,0 +1,9 @@
+
+#define PRE_IMAGE .pre_image : {			\
+		KEEP(*(.flash_header_start*))		\
+		. = ALIGN(0x400);			\
+		KEEP(*(.flash_header*))			\
+		KEEP(*(.dcd_entry*))			\
+		KEEP(*(.image_len*))			\
+	}
+
diff --git a/include/asm-generic/u-boot.lds.h b/include/asm-generic/u-boot.lds.h
index e32ea5715a..4982ce03db 100644
--- a/include/asm-generic/u-boot.lds.h
+++ b/include/asm-generic/u-boot.lds.h
@@ -1,4 +1,12 @@
 
+#ifdef CONFIG_ARCH_IMX25
+#include <asm/arch/u-boot.lds.h>
+#endif
+
+#ifndef PRE_IMAGE
+#define PRE_IMAGE
+#endif
+
 #define INITCALLS			\
   	KEEP(*(.initcall.0))			\
   	KEEP(*(.initcall.1))			\