Apollon BSP support (take #2)

new file mode 100644
index 0000000..c0edca5
@@ -0,0 +1,235 @@
+/*
+ * (C) Copyright 2005-2007
+ * Samsung Electronics,
+ * Kyungmin Park <[email protected]>
+ *
+ * Derived from omap2420
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/arch/omap2420.h>
+#include <asm/io.h>
+#include <asm/arch/bits.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/sys_info.h>
+
+#include "mem.h"
+
+/************************************************************
+ * sdelay() - simple spin loop.  Will be constant time as
+ *  its generally used in 12MHz bypass conditions only.  This
+ *  is necessary until timers are accessible.
+ *
+ *  not inline to increase chances its in cache when called
+ *************************************************************/
+void sdelay(unsigned long loops)
+{
+	__asm__("1:\n" "subs %0, %1, #1\n"
+		  "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/********************************************************************
+ * prcm_init() - inits clocks for PRCM as defined in clocks.h
+ * (config II default).
+ *   -- called from SRAM, or Flash (using temp SRAM stack).
+ ********************************************************************/
+void prcm_init(void) { }
+
+/**************************************************************************
+ * make_cs1_contiguous() - for es2 and above remap cs1 behind cs0 to allow
+ *  command line mem=xyz use all memory with out discontigious support
+ *  compiled in.  Could do it at the ATAG, but there really is two banks...
+ * Called as part of 2nd phase DDR init.
+ **************************************************************************/
+void make_cs1_contiguous(void)
+{
+	u32 size, a_add_low, a_add_high;
+
+	size = get_sdr_cs_size(SDRC_CS0_OSET);
+	size /= SZ_32M;		/* find size to offset CS1 */
+	a_add_high = (size & 3) << 8;	/* set up low field */
+	a_add_low = (size & 0x3C) >> 2;	/* set up high field */
+	__raw_writel((a_add_high | a_add_low), SDRC_CS_CFG);
+
+}
+
+/********************************************************
+ *  mem_ok() - test used to see if timings are correct
+ *             for a part. Helps in gussing which part
+ *             we are currently using.
+ *******************************************************/
+u32 mem_ok(void)
+{
+	u32 val1, val2;
+	u32 pattern = 0x12345678;
+
+	/* clear pos A */
+	__raw_writel(0x0, OMAP2420_SDRC_CS0 + 0x400);
+	/* pattern to pos B */
+	__raw_writel(pattern, OMAP2420_SDRC_CS0);
+	/* remove pattern off the bus */
+	__raw_writel(0x0, OMAP2420_SDRC_CS0 + 4);
+	/* get pos A value */
+	val1 = __raw_readl(OMAP2420_SDRC_CS0 + 0x400);
+	val2 = __raw_readl(OMAP2420_SDRC_CS0);	/* get val2 */
+
+	/* see if pos A value changed */
+	if ((val1 != 0) || (val2 != pattern))
+		return (0);
+	else
+		return (1);
+}
+
+/********************************************************
+ *  sdrc_init() - init the sdrc chip selects CS0 and CS1
+ *  - early init routines, called from flash or
+ *  SRAM.
+ *******************************************************/
+void sdrc_init(void)
+{
+#define EARLY_INIT 1
+	/* only init up first bank here */
+	do_sdrc_init(SDRC_CS0_OSET, EARLY_INIT);
+}
+
+/*************************************************************************
+ * do_sdrc_init(): initialize the SDRAM for use.
+ *  -called from low level code with stack only.
+ *  -code sets up SDRAM timing and muxing for 2422 or 2420.
+ *  -optimal settings can be placed here, or redone after i2c
+ *      inspection of board info
+ *
+ *  This is a bit ugly, but should handle all memory moduels
+ *   used with the APOLLON. The first time though this code from s_init()
+ *   we configure the first chip select.  Later on we come back and
+ *   will configure the 2nd chip select if it exists.
+ *
+ **************************************************************************/
+void do_sdrc_init(u32 offset, u32 early)
+{
+}
+
+/*****************************************************
+ * gpmc_init(): init gpmc bus
+ * Init GPMC for x16, MuxMode (SDRAM in x32).
+ * This code can only be executed from SRAM or SDRAM.
+ *****************************************************/
+void gpmc_init(void)
+{
+	u32 mux = 0, mtype, mwidth, rev, tval;
+
+	rev = get_cpu_rev();
+	if (rev == CPU_2420_2422_ES1)
+		tval = 1;
+	else
+		tval = 0;	/* disable bit switched meaning */
+
+	/* global settings */
+	__raw_writel(0x10, GPMC_SYSCONFIG);	/* smart idle */
+	__raw_writel(0x0, GPMC_IRQENABLE);	/* isr's sources masked */
+	__raw_writel(tval, GPMC_TIMEOUT_CONTROL);	/* timeout disable */
+#ifdef CFG_NAND_BOOT
+	/* set nWP, disable limited addr */
+	__raw_writel(0x001, GPMC_CONFIG);
+#else
+	/* set nWP, disable limited addr */
+	__raw_writel(0x111, GPMC_CONFIG);
+#endif
+
+	/* discover bus connection from sysboot */
+	if (is_gpmc_muxed() == GPMC_MUXED)
+		mux = BIT9;
+	mtype = get_gpmc0_type();
+	mwidth = get_gpmc0_width();
+
+	/* setup cs0 */
+	__raw_writel(0x0, GPMC_CONFIG7_0);	/* disable current map */
+	sdelay(1000);
+
+#ifdef CFG_NOR_BOOT
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG1_3, GPMC_CONFIG1_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG2_3, GPMC_CONFIG2_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG3_3, GPMC_CONFIG3_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG4_3, GPMC_CONFIG4_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG5_3, GPMC_CONFIG5_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG6_3, GPMC_CONFIG6_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG7_3, GPMC_CONFIG7_0);
+#else
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG1_0 | mux | mtype | mwidth,
+		     GPMC_CONFIG1_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG2_0, GPMC_CONFIG2_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG3_0, GPMC_CONFIG3_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG4_0, GPMC_CONFIG4_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG5_0, GPMC_CONFIG5_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG6_0, GPMC_CONFIG6_0);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG7_0, GPMC_CONFIG7_0);
+#endif
+	sdelay(2000);
+
+	/* setup cs1 */
+	__raw_writel(0, GPMC_CONFIG7_1);	/* disable any mapping */
+	sdelay(1000);
+
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG1_1, GPMC_CONFIG1_1);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG2_1, GPMC_CONFIG2_1);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG3_1, GPMC_CONFIG3_1);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG4_1, GPMC_CONFIG4_1);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG5_1, GPMC_CONFIG5_1);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG6_1, GPMC_CONFIG6_1);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG7_1, GPMC_CONFIG7_1);
+	sdelay(2000);
+
+	/* setup cs2 */
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG1_0 | mux | mtype | mwidth,
+		     GPMC_CONFIG1_2);
+	/* It's same as cs 0 */
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG2_0, GPMC_CONFIG2_2);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG3_0, GPMC_CONFIG3_2);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG4_0, GPMC_CONFIG4_2);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG5_0, GPMC_CONFIG5_2);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG6_0, GPMC_CONFIG6_2);
+#ifdef CFG_NOR_BOOT
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG7_0, GPMC_CONFIG7_2);
+#else
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG7_2, GPMC_CONFIG7_2);
+#endif
+
+#ifndef CFG_NOR_BOOT
+	/* setup cs3 */
+	__raw_writel(0, GPMC_CONFIG7_3);	/* disable any mapping */
+	sdelay(1000);
+
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG1_3, GPMC_CONFIG1_3);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG2_3, GPMC_CONFIG2_3);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG3_3, GPMC_CONFIG3_3);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG4_3, GPMC_CONFIG4_3);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG5_3, GPMC_CONFIG5_3);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG6_3, GPMC_CONFIG6_3);
+	__raw_writel(APOLLON_24XX_GPMC_CONFIG7_3, GPMC_CONFIG7_3);
+#endif
+
+#ifndef ASYNC_NOR
+	__raw_writew(0xaa, (APOLLON_CS3_BASE + 0xaaa));
+	__raw_writew(0x55, (APOLLON_CS3_BASE + 0x554));
+	__raw_writew(0xc0, (APOLLON_CS3_BASE | SYNC_NOR_VALUE));
+#endif
+	sdelay(2000);
+}

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index 67c8419..4fdb9c6 100644
@@ -28,6 +28,7 @@ typedef  unsigned int uint32;
 void muxSetupSDRC(void);
 void muxSetupGPMC(void);
 void muxSetupUsb0(void);
+void muxSetupUsbHost(void);
 void muxSetupUart3(void);
 void muxSetupI2C1(void);
 void muxSetupUART1(void);

@@ -53,6 +54,10 @@ void muxSetupHDQ(void);
 #define CONTROL_PADCONF_GPMC_NCS0_BYTE1	((volatile unsigned char *)0x4800008D)
 #define CONTROL_PADCONF_GPMC_NCS0_BYTE2	((volatile unsigned char *)0x4800008E)
 #define CONTROL_PADCONF_GPMC_NCS0_BYTE3	((volatile unsigned char *)0x4800008F)
+#define CONTROL_PADCONF_GPMC_NCS0_BYTE4	(0x48000090)
+#define CONTROL_PADCONF_GPMC_NCS0_BYTE5	(0x48000091)
+#define CONTROL_PADCONF_GPMC_NCS0_BYTE6	(0x48000092)
+#define CONTROL_PADCONF_GPMC_NCS0_BYTE7	(0x48000093)
 
 /* Pin Muxing registers used for SDRC */
 #define CONTROL_PADCONF_SDRC_NCS0_BYTE0 ((volatile unsigned char *)0x480000A0)

@@ -70,6 +75,7 @@ void muxSetupHDQ(void);
 #define CONTROL_PADCONF_SPI1_SIMO       ((volatile unsigned char *)0x48000100)
 #define CONTROL_PADCONF_SPI1_SOMI       ((volatile unsigned char *)0x48000101)
 #define CONTROL_PADCONF_SPI1_NCS0       ((volatile unsigned char *)0x48000102)
+#define CONTROL_PADCONF_SPI1_NCS1       (0x48000103)
 
 #define CONTROL_PADCONF_MCBSP1_FSR      ((volatile unsigned char *)0x4800010B)
 

@@ -151,8 +157,20 @@ void muxSetupHDQ(void);
 #define CONTROL_PADCONF_USB0_SE0		((volatile uint8 *)0x48000122)
 #define CONTROL_PADCONF_USB0_DAT		((volatile uint8 *)0x48000123)
 
+/* Pin Muxing registres used for USB1. */
+#define CONTROL_PADCONF_USB1_RCV	(0x480000EB)
+#define CONTROL_PADCONF_USB1_TXEN	(0x480000EC)
+
 /* Pin Muxing registers used for UART3/IRDA */
 #define CONTROL_PADCONF_UART3_TX_IRTX	((volatile uint8 *)0x48000118)
 #define CONTROL_PADCONF_UART3_RX_IRRX	((volatile uint8 *)0x48000119)
 
+/* Pin Muxing registers used for GPIO */
+#define CONTROL_PADCONF_GPIO69		(0x480000ED)
+#define CONTROL_PADCONF_GPIO70		(0x480000EE)
+#define CONTROL_PADCONF_GPIO102		(0x48000116)
+#define CONTROL_PADCONF_GPIO103		(0x48000117)
+#define CONTROL_PADCONF_GPIO104		(0x48000118)
+#define CONTROL_PADCONF_GPIO105		(0x48000119)
+
 #endif

index d833035..0c11bec 100644
@@ -77,6 +77,20 @@
 #define GPMC_CONFIG5_1        (OMAP2420_GPMC_BASE+0xA0)
 #define GPMC_CONFIG6_1        (OMAP2420_GPMC_BASE+0xA4)
 #define GPMC_CONFIG7_1	      (OMAP2420_GPMC_BASE+0xA8)
+#define GPMC_CONFIG1_2        (OMAP2420_GPMC_BASE+0xC0)
+#define GPMC_CONFIG2_2        (OMAP2420_GPMC_BASE+0xC4)
+#define GPMC_CONFIG3_2        (OMAP2420_GPMC_BASE+0xC8)
+#define GPMC_CONFIG4_2        (OMAP2420_GPMC_BASE+0xCC)
+#define GPMC_CONFIG5_2        (OMAP2420_GPMC_BASE+0xD0)
+#define GPMC_CONFIG6_2        (OMAP2420_GPMC_BASE+0xD4)
+#define GPMC_CONFIG7_2        (OMAP2420_GPMC_BASE+0xD8)
+#define GPMC_CONFIG1_3        (OMAP2420_GPMC_BASE+0xF0)
+#define GPMC_CONFIG2_3        (OMAP2420_GPMC_BASE+0xF4)
+#define GPMC_CONFIG3_3        (OMAP2420_GPMC_BASE+0xF8)
+#define GPMC_CONFIG4_3        (OMAP2420_GPMC_BASE+0xFC)
+#define GPMC_CONFIG5_3        (OMAP2420_GPMC_BASE+0x100)
+#define GPMC_CONFIG6_3        (OMAP2420_GPMC_BASE+0x104)
+#define GPMC_CONFIG7_3	      (OMAP2420_GPMC_BASE+0x108)
 
 /* SMS */
 #define OMAP2420_SMS_BASE 0x68008000

@@ -209,13 +223,24 @@
 #define SRAM_OFFSET2          0x0000F800
 #define SRAM_VECT_CODE       (SRAM_OFFSET0|SRAM_OFFSET1|SRAM_OFFSET2)
 
-#define LOW_LEVEL_SRAM_STACK  0x4020FFFC
-
-#define PERIFERAL_PORT_BASE   0x480FE003
-
 /* FPGA on Debug board.*/
 #define ETH_CONTROL_REG       (H4_CS1_BASE+0x30b)
 #define LAN_RESET_REGISTER    (H4_CS1_BASE+0x1c)
 #endif  /* endif CONFIG_2420H4 */
 
+#if defined(CONFIG_APOLLON)
+#define APOLLON_CS0_BASE	0x00000000	/* OneNAND */
+#define APOLLON_CS1_BASE	0x08000000	/* ethernet */
+#define APOLLON_CS2_BASE	0x10000000	/* OneNAND */
+#define APOLLON_CS3_BASE	0x18000000	/* NOR */
+
+#define ETH_CONTROL_REG		(APOLLON_CS1_BASE + 0x30b)
+#define LAN_RESET_REGISTER	(APOLLON_CS1_BASE + 0x1c)
+#endif	/* endif CONFIG_APOLLON */
+
+/* Common */
+#define LOW_LEVEL_SRAM_STACK  0x4020FFFC
+
+#define PERIFERAL_PORT_BASE   0x480FE003
+
 #endif

index f6a5b4f..ab19047 100644
@@ -737,6 +737,7 @@ extern unsigned int __machine_arch_type;
 #define MACH_TYPE_CB3RUFC              726
 #define MACH_TYPE_MP2USB               727
 #define MACH_TYPE_AT91SAM9261EK        848
+#define MACH_TYPE_OMAP_APOLLON         919
 #define MACH_TYPE_PDNB3               1002
 #define MACH_TYPE_AT91SAM9260EK       1099
 #define MACH_TYPE_AT91RM9200DF        1119

@@ -6826,6 +6827,18 @@ extern unsigned int __machine_arch_type;
 # define machine_is_omap_h4()	(0)
 #endif
 
+#ifdef CONFIG_MACH_OMAP_APOLLON
+# ifdef machine_arch_type
+#  undef machine_arch_type
+#  define machine_arch_type	__machine_arch_type
+# else
+#  define machine_arch_type	MACH_TYPE_OMAP_APOLLON
+# endif
+# define machine_is_omap_apollon()	(machine_arch_type == MACH_TYPE_OMAP_APOLLON)
+#else
+# define machine_is_omap_apollon()	(0)
+#endif
+
 #ifdef CONFIG_MACH_N10
 # ifdef machine_arch_type
 #  undef machine_arch_type

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