Add support for NetSilicon NS7520 processor.
Patch by Art Shipkowski, 12 May 2005
Cleanup.
diff --git a/include/asm-arm/arch-arm720t/netarm_gen_module.h b/include/asm-arm/arch-arm720t/netarm_gen_module.h
index 90d9da8..13656a3 100644
--- a/include/asm-arm/arch-arm720t/netarm_gen_module.h
+++ b/include/asm-arm/arch-arm720t/netarm_gen_module.h
@@ -1,6 +1,9 @@
/*
* include/asm-armnommu/arch-netarm/netarm_gen_module.h
*
+ * Copyright (C) 2005
+ * Art Shipkowski, Videon Central, Inc., <art@videon-central.com>
+ *
* Copyright (C) 2000, 2001 NETsilicon, Inc.
* Copyright (C) 2000, 2001 Red Hat, Inc.
*
@@ -27,6 +30,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* author(s) : Joe deBlaquiere
+ *
+ * Modified to support NS7520 by Art Shipkowski.
*/
#ifndef __NETARM_GEN_MODULE_REGISTERS_H
@@ -49,7 +54,9 @@
#define NETARM_GEN_TIMER2_STATUS (0x1c)
#define NETARM_GEN_PORTA (0x20)
+#ifndef CONFIG_NETARM_NS7520
#define NETARM_GEN_PORTB (0x24)
+#endif
#define NETARM_GEN_PORTC (0x28)
#define NETARM_GEN_INTR_ENABLE (0x30)
@@ -128,8 +135,14 @@
/* PORT C Register ( 0xFFB0_0028 ) */
+#ifndef CONFIG_NETARM_NS7520
#define NETARM_GEN_PORT_MODE(x) (((x)<<24) + (0xFF00))
#define NETARM_GEN_PORT_DIR(x) (((x)<<16) + (0xFF00))
+#else
+#define NETARM_GEN_PORT_MODE(x) ((x)<<24)
+#define NETARM_GEN_PORT_DIR(x) ((x)<<16)
+#define NETARM_GEN_PORT_CSF(x) ((x)<<8)
+#endif
/* Timer Registers ( 0xFFB0_0010 0xFFB0_0018 ) */
@@ -143,10 +156,15 @@
#define NETARM_GEN_TCTL_INIT_COUNT(x) ((x) & 0x1FF)
#define NETARM_GEN_TSTAT_INTPEN (0x40000000)
+#if ~defined(CONFIG_NETARM_NS7520)
#define NETARM_GEN_TSTAT_CTC_MASK (0x000001FF)
+#else
+#define NETARM_GEN_TSTAT_CTC_MASK (0x0FFFFFFF)
+#endif
/* prescale to msecs conversion */
+#if !defined(CONFIG_NETARM_PLL_BYPASS)
#define NETARM_GEN_TIMER_MSEC_P(x) ( ( ( 20480 ) * ( 0x1FF - ( (x) & \
NETARM_GEN_TSTAT_CTC_MASK ) + \
1 ) ) / (NETARM_XTAL_FREQ/1000) )
@@ -155,9 +173,7 @@
NETARM_GEN_TSTAT_CTC_MASK ) | \
NETARM_GEN_TCTL_USE_PRESCALE )
-#if 0
-/* ifdef CONFIG_NETARM_PLL_BYPASS else */
-#error test
+#else
#define NETARM_GEN_TIMER_MSEC_P(x) ( ( ( 4096 ) * ( 0x1FF - ( (x) & \
NETARM_GEN_TSTAT_CTC_MASK ) + \
1 ) ) / (NETARM_XTAL_FREQ/1000) )
diff --git a/include/asm-arm/arch-arm720t/netarm_mem_module.h b/include/asm-arm/arch-arm720t/netarm_mem_module.h
index 7c63d17..f0529fd 100644
--- a/include/asm-arm/arch-arm720t/netarm_mem_module.h
+++ b/include/asm-arm/arch-arm720t/netarm_mem_module.h
@@ -1,6 +1,9 @@
/*
* include/asm-armnommu/arch-netarm/netarm_mem_module.h
*
+ * Copyright (C) 2005
+ * Art Shipkowski, Videon Central, Inc., <art@videon-central.com>
+ *
* Copyright (C) 2000, 2001 NETsilicon, Inc.
* Copyright (C) 2000, 2001 Red Hat, Inc.
*
@@ -27,6 +30,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* author(s) : Joe deBlaquiere
+ *
+ * Modified to support NS7520 by Art Shipkowski.
*/
#ifndef __NETARM_MEM_MODULE_REGISTERS_H
@@ -154,4 +159,26 @@
#define NETARM_MEM_OPT_WRITE_ASYNC (0x00000000)
#define NETARM_MEM_OPT_WRITE_SYNC (0x00000001)
+#ifdef CONFIG_NETARM_NS7520
+/* The NS7520 has a second options register for each chip select */
+#define NETARM_MEM_CS0_OPTIONS_B (0x18)
+#define NETARM_MEM_CS1_OPTIONS_B (0x28)
+#define NETARM_MEM_CS2_OPTIONS_B (0x38)
+#define NETARM_MEM_CS3_OPTIONS_B (0x48)
+#define NETARM_MEM_CS4_OPTIONS_B (0x58)
+
+/* Option B Registers (0xFFC0_00x8) */
+#define NETARM_MEM_OPTB_SYNC_1_STAGE (0x00000001)
+#define NETARM_MEM_OPTB_SYNC_2_STAGE (0x00000002)
+#define NETARM_MEM_OPTB_BCYC_PLUS0 (0x00000000)
+#define NETARM_MEM_OPTB_BCYC_PLUS4 (0x00000004)
+#define NETARM_MEM_OPTB_BCYC_PLUS8 (0x00000008)
+#define NETARM_MEM_OPTB_BCYC_PLUS12 (0x0000000C)
+
+#define NETARM_MEM_OPTB_WAIT_PLUS0 (0x00000000)
+#define NETARM_MEM_OPTB_WAIT_PLUS16 (0x00000010)
+#define NETARM_MEM_OPTB_WAIT_PLUS32 (0x00000020)
+#define NETARM_MEM_OPTB_WAIT_PLUS48 (0x00000030)
+#endif
+
#endif
diff --git a/include/asm-arm/arch-arm720t/netarm_registers.h b/include/asm-arm/arch-arm720t/netarm_registers.h
index 029c7f4..fa88128 100644
--- a/include/asm-arm/arch-arm720t/netarm_registers.h
+++ b/include/asm-arm/arch-arm720t/netarm_registers.h
@@ -1,6 +1,9 @@
/*
* linux/include/asm-arm/arch-netarm/netarm_registers.h
*
+ * Copyright (C) 2005
+ * Art Shipkowski, Videon Central, Inc., <art@videon-central.com>
+ *
* Copyright (C) 2000, 2001 NETsilicon, Inc.
* Copyright (C) 2000, 2001 WireSpeed Communications Corporation
*
@@ -27,6 +30,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* author(s) : Joe deBlaquiere
+ *
+ * Modified to support NS7520 by Art Shipkowski.
*/
#ifndef __NET_ARM_REGISTERS_H
@@ -38,6 +43,8 @@
/* the input crystal/clock frequency ( in Hz ) */
#define NETARM_XTAL_FREQ_25MHz (18432000)
#define NETARM_XTAL_FREQ_33MHz (23698000)
+#define NETARM_XTAL_FREQ_48MHz (48000000)
+#define NETARM_XTAL_FREQ_55MHz (55000000)
#define NETARM_XTAL_FREQ_EMLIN1 (20000000)
/* the frequency of SYS_CLK */
@@ -60,12 +67,22 @@
#define NETARM_PLL_COUNT_VAL 4
#define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_25MHz
-#else /* CONFIG_NETARM_NET50 */
+#elif defined(CONFIG_NETARM_NET50)
/* NET+50 boards: 40 MHz (with NETARM_XTAL_FREQ_25MHz) */
#define NETARM_PLL_COUNT_VAL 8
#define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_25MHz
+#else /* CONFIG_NETARM_NS7520 */
+
+#define NETARM_PLL_COUNT_VAL 0
+
+#if defined(CONFIG_BOARD_UNC20)
+#define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_48MHz
+#else
+#define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_55MHz
+#endif
+
#endif
/* #include "arm_registers.h" */