Add definitions, add settings detection for SoCs

SVN-Revision: 6759

target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c

@@ -1,7 +1,9 @@
 /*
+ * $Id$
+ *
  * Copyright (C) 2007 OpenWrt.org
- * Copyright (C) Gabor Juhos
+ * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
- * 
+ *
  * 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
@@ -17,12 +19,13 @@
 #include <asm/addrspace.h>
 
 #include <adm5120_info.h>
+#include <adm5120_defs.h>
+#include <adm5120_switch.h>
 #include <myloader.h>
 
 /* boot loaders specific definitions */
 #define CFE_EPTSEAL	0x43464531 /* CFE1 is the magic number to recognize CFE from other bootloaders */
 
-
 struct adm5120_info adm5120_info = {
 	.cpu_speed		= CPU_SPEED_175,
 	.cpu_package		= CPU_PACKAGE_PQFP,
@@ -37,6 +40,42 @@ static char *boot_loader_names[BOOT_LOADER_LAST+1] = {
 	[BOOT_LOADER_MYLOADER]	= "MyLoader"
 };
 
+/*
+ * CPU settings detection
+ */
+#define CODE_GET_PC(c)		((c) & CODE_PC_MASK)
+#define CODE_GET_REV(c)		(((c) >> CODE_REV_SHIFT) & CODE_REV_MASK)
+#define CODE_GET_PK(c)		(((c) >> CODE_PK_SHIFT) & CODE_PK_MASK)
+#define CODE_GET_CLKS(c)	(((c) >> CODE_CLKS_SHIFT) & CODE_CLKS_MASK)
+#define CODE_GET_NAB(c)		(((c) & CODE_NAB) != 0)
+
+static void __init detect_cpu_info(void)
+{
+	uint32_t *reg;
+	uint32_t code;
+	uint32_t clks;
+
+	reg = (uint32_t *)KSEG1ADDR(ADM5120_SWITCH_BASE+SWITCH_REG_CODE);
+	code = *reg;
+
+	clks = CODE_GET_CLKS(code);
+
+	adm5120_info.product_code = CODE_GET_PC(code);
+	adm5120_info.revision = CODE_GET_REV(code);
+
+	adm5120_info.cpu_speed = CPU_SPEED_175;
+	if (clks & 1)
+		adm5120_info.cpu_speed += 25000000;
+	if (clks & 2)
+		adm5120_info.cpu_speed += 50000000;
+
+	adm5120_info.cpu_package = (CODE_GET_PK(code) == CODE_PK_BGA) ?
+		CPU_PACKAGE_BGA : CPU_PACKAGE_PQFP;
+
+	adm5120_info.nand_boot = CODE_GET_NAB(code);
+
+}
+
 /*
  * Boot loader detection routines
  */
@@ -55,12 +94,12 @@ static int __init detect_cfe(void)
 		/* We are not booted from CFE */
 		return 0;
 	}
-	
+
 	/* cfe_a1_val must be 0, because only one CPU present in the ADM5120 SoC */
 	if (cfe_a1_val != 0) {
 		return 0;
 	}
-	
+
 	/* The cfe_handle, and the cfe_entry must be kernel mode addresses */
 	if ((cfe_handle < KSEG0) || (cfe_entry < KSEG0)) {
 		return 0;
@@ -86,7 +125,7 @@ static int __init detect_myloader(void)
 	parts = (struct mylo_partition_table *)(MYLO_MIPS_PARTITIONS);
 
 	/* Check for some magic numbers */
-	if ((sysp->magic != MYLO_MAGIC_SYS_PARAMS) || 
+	if ((sysp->magic != MYLO_MAGIC_SYS_PARAMS) ||
 	   (boardp->magic != MYLO_MAGIC_BOARD_PARAMS) ||
 	   (parts->magic != MYLO_MAGIC_PARTITIONS))
 		return 0;
@@ -98,24 +137,41 @@ static int __init detect_bootloader(void)
 {
 	if (detect_cfe())
 		return BOOT_LOADER_CFE;
-	
+
-	if (detect_uboot()) 
+	if (detect_uboot())
 		return BOOT_LOADER_UBOOT;
-	
+
 	if (detect_myloader())
 		return BOOT_LOADER_MYLOADER;
-	
+
 	return BOOT_LOADER_UNKNOWN;
 }
 
+/*
+ * Board detection
+ */
+static void __init detect_board_type(void)
+{
+	/* FIXME: not yet implemented */
+}
+
 void __init adm5120_info_show(void)
 {
-	printk("adm5120: boot loader is %s\n", boot_loader_names[adm5120_info.boot_loader]);
+	printk("ADM%04X%s revision %d, running at %ldMHz\n",
+		adm5120_info.product_code,
+		(adm5120_info.cpu_package == CPU_PACKAGE_BGA) ? "" : "P",
+		adm5120_info.revision,
+		(adm5120_info.cpu_speed / 1000000)
+		);
+	printk("Boot loader is: %s\n", boot_loader_names[adm5120_info.boot_loader]);
+	printk("Booted from   : %s flash\n", adm5120_info.nand_boot ? "NAND" : "NOR");
 }
 
 void __init adm5120_info_init(void)
 {
+	detect_cpu_info();
 	adm5120_info.boot_loader = detect_bootloader();
-	
+	detect_board_type();
+
 	adm5120_info_show();
 }

target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_defs.h

@@ -0,0 +1,60 @@
+/*
+ *  $Id$
+ *
+ *  ADM5120 SoC definitions
+ *
+ *  This file defines some constants specific to the ADM5120 SoC
+ *
+ *  Copyright (C) 2007 OpenWrt.org
+ *  Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *
+ *  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., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ */
+#ifndef _ADM5120_DEFS_H
+#define _ADM5120_DEFS_H
+
+#define ADM5120_SDRAM0_BASE	0x00000000
+#define ADM5120_SDRAM1_BASE	0x01000000
+#define ADM5120_SRAM1_BASE	0x10000000
+#define ADM5120_MPMC_BASE	0x11000000
+#define ADM5120_USBC_BASE	0x11200000
+#define ADM5120_PCIMEM_BASE	0x11400000
+#define ADM5120_PCIIO_BASE	0x11500000
+#define ADM5120_PCICFG_ADDR	0x115FFFF0
+#define ADM5120_PCICFG_DATA	0x115FFFF8
+#define ADM5120_SWITCH_BASE	0x12000000
+#define ADM5120_INTC_BASE	0x12200000
+#define ADM5120_UART0_BASE	0x12600000
+#define ADM5120_UART1_BASE	0x12800000
+#define ADM5120_SRAM0_BASE	0x1FC00000
+
+#define ADM5120_MPMC_SIZE	0x1000
+#define ADM5120_USBC_SIZE	0x84
+#define ADM5120_PCIMEM_SIZE	(ADM5120_PCIIO_BASE - ADM5120_PCIMEM_BASE)
+#define ADM5120_PCIIO_SIZE	(ADM5120_PCICFG_ADDR - ADM5120_PCIIO_BASE)
+#define ADM5120_PCICFG_SIZE	0x10
+#define ADM5120_SWITCH_SIZE	0x114
+#define ADM5120_INTC_SIZE	0x28
+#define ADM5120_UART_SIZE	0x20
+
+#define ADM5120_CLK_175		175000000
+#define ADM5120_CLK_200		200000000
+#define ADM5120_CLK_225		225000000
+#define ADM5120_CLK_250		250000000
+
+#define ADM5120_UART_CLOCK	62500000
+
+#endif /* _ADM5120_DEFS_H */

target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_info.h

@@ -1,7 +1,9 @@
 /*
+ * $Id$
+ *
  * Copyright (C) 2007 OpenWrt.org
- * Copyright (C) Gabor Juhos
+ * Copyright (C) Gabor Juhos <juhosg@freemail.hu>
- * 
+ *
  * 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
@@ -14,8 +16,11 @@
 #include <linux/types.h>
 
 struct adm5120_info {
-	unsigned long cpu_speed;
+	unsigned int product_code;
+	unsigned int revision;
 	unsigned int cpu_package;
+	unsigned int nand_boot;
+	unsigned long cpu_speed;
 	unsigned int boot_loader;
 	unsigned int board_type;
 };
@@ -49,4 +54,9 @@ struct adm5120_info {
 extern struct adm5120_info adm5120_info;
 extern void adm5120_info_init(void);
 
+static inline int adm5120_has_pci(void)
+{
+	return (adm5120_info.cpu_package == CPU_PACKAGE_BGA);
+}
+
 #endif /* _ADM5120_INFO_H */

target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_switch.h

@@ -0,0 +1,89 @@
+/*
+ *  ADM5120 ethernet switch definitions
+ *
+ *  This header file defines the hardware registers of the ADM5120 SoC
+ *  built-in Ethernet switch.
+ *
+ *  Copyright (C) 2007 OpenWrt.org
+ *  Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *
+ *  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., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ */
+
+#ifndef _ADM5120_SWITCH_H
+#define _ADM5120_SWITCH_H
+
+#define BITMASK(len)	((1 << (len))-1)
+#define ONEBIT(at)	(1 << (at))
+
+/* Switch register offsets */
+#define SWITCH_REG_CODE		0x0000
+#define SWITCH_REG_SOFT_RESET	0x0004
+#define SWITCH_REG_MEMCTRL	0x001C
+#define SWITCH_REG_CPUP_CONF	0x0024
+#define SWITCH_REG_PORT_CONF0	0x0028
+#define SWITCH_REG_PORT_CONF1	0x002C
+#define SWITCH_REG_PORT_CONF2	0x0030
+#define SWITCH_REG_VLAN_G1	0x0040
+#define SWITCH_REG_VLAN_G2	0x0044
+#define SWITCH_REG_SEND_TRIG	0x0048
+#define SWITCH_REG_MAC_WT0	0x0058
+#define SWITCH_REG_MAC_WT1	0x005C
+#define SWITCH_REG_PHY_CNTL0	0x0068
+#define SWITCH_REG_PHY_CNTL1	0x006C
+#define SWITCH_REG_PHY_CNTL2	0x007C
+#define SWITCH_REG_PHY_CNTL3	0x0080
+#define SWITCH_REG_PRI_CNTL	0x0084
+#define SWITCH_REG_INT_STATUS	0x00B0
+#define SWITCH_REG_INT_MASK	0x00B4
+#define SWITCH_REG_GPIO_CONF0	0x00B8
+#define SWITCH_REG_GPIO_CONF2	0x00BC
+#define SWITCH_REG_WDOG0	0x00C0
+#define SWITCH_REG_WDOG1	0x00C4
+#define SWITCH_REG_PHY_CNTL4	0x00A0
+
+#define SWITCH_REG_SEND_HBADDR	0x00D0
+#define SWITCH_REG_SEND_LBADDR	0x00D4
+#define SWITCH_REG_RECV_HBADDR	0x00D8
+#define SWITCH_REG_RECV_LBADDR	0x00DC
+
+#define SWITCH_REG_TIMER_INT	0x00F0
+#define SWITCH_REG_TIMER	0x00F4
+
+#define SWITCH_REG_PORT0_LED	0x0100
+#define SWITCH_REG_PORT1_LED	0x0104
+#define SWITCH_REG_PORT2_LED	0x0108
+#define SWITCH_REG_PORT3_LED	0x010C
+#define SWITCH_REG_PORT4_LED	0x0110
+
+/* CODE register bits */
+#define CODE_PC_MASK		BITMASK(16)	/* Product Code */
+#define CODE_REV_SHIFT		16
+#define CODE_REV_MASK		BITMASK(4)	/* Product Revision */
+#define CODE_CLKS_SHIFT		20
+#define CODE_CLKS_MASK		BITMASK(2)	/* Clock Speed */
+#define CODE_CLKS_175		0		/* 175 MHz */
+#define CODE_CLKS_200		1		/* 200 MHz */
+#define CODE_CLKS_225		2		/* 225 MHz */
+#define CODE_CLKS_250		3		/* 250 MHz */
+#define CODE_NAB		ONEBIT(24)	/* NAND boot */
+#define CODE_PK_MASK		BITMASK(1)	/* Package type */
+#define CODE_PK_SHIFT		29
+#define CODE_PK_BGA		0		/* BGA package */
+#define CODE_PK_PQFP		1		/* PQFP package */
+
+
+#endif /* _ADM5120_SWITCH_H */