1 files changed, 406 insertions, 0 deletions
diff --git a/board/sx1/platform.S b/board/sx1/platform.S
new file mode 100644
index 0000000000..304812805a
--- /dev/null
+++ b/board/sx1/platform.S
@@ -0,0 +1,406 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ *
+ * -- Some bits of code used from rrload's head_OMAP1510.s --
+ * Copyright (C) 2002 RidgeRun, Inc.
+ *
+ * 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
+ */
+
+#include <config.h>
+#include <version.h>
+
+#if defined(CONFIG_OMAP1510)
+#include <./configs/omap1510.h>
+#endif
+
+#define OMAP1510_CLKS ((1<<EN_XORPCK)|(1<<EN_PERCK)|(1<<EN_TIMCK)|(1<<EN_GPIOCK))
+
+
+_TEXT_BASE:
+	.word	TEXT_BASE	 /* sdram load addr from config.mk */
+
+.globl platformsetup
+platformsetup:
+
+	/*
+	 * Configure 1510 pins functions to match our board.
+	 */
+	ldr	r0, REG_PULL_DWN_CTRL_0
+	ldr	r1, VAL_PULL_DWN_CTRL_0
+	str	r1, [r0]
+	ldr	r0, REG_PULL_DWN_CTRL_1
+	ldr	r1, VAL_PULL_DWN_CTRL_1
+	str	r1, [r0]
+	ldr	r0, REG_PULL_DWN_CTRL_2
+	ldr	r1, VAL_PULL_DWN_CTRL_2
+	str	r1, [r0]
+	ldr	r0, REG_PULL_DWN_CTRL_3
+	ldr	r1, VAL_PULL_DWN_CTRL_3
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_4
+	ldr	r1, VAL_FUNC_MUX_CTRL_4
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_5
+	ldr	r1, VAL_FUNC_MUX_CTRL_5
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_6
+	ldr	r1, VAL_FUNC_MUX_CTRL_6
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_7
+	ldr	r1, VAL_FUNC_MUX_CTRL_7
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_8
+	ldr	r1, VAL_FUNC_MUX_CTRL_8
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_9
+	ldr	r1, VAL_FUNC_MUX_CTRL_9
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_A
+	ldr	r1, VAL_FUNC_MUX_CTRL_A
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_B
+	ldr	r1, VAL_FUNC_MUX_CTRL_B
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_C
+	ldr	r1, VAL_FUNC_MUX_CTRL_C
+	str	r1, [r0]
+	ldr	r0, REG_FUNC_MUX_CTRL_D
+	ldr	r1, VAL_FUNC_MUX_CTRL_D
+	str	r1, [r0]
+	ldr	r0, REG_VOLTAGE_CTRL_0
+	ldr	r1, VAL_VOLTAGE_CTRL_0
+	str	r1, [r0]
+	ldr	r0, REG_TEST_DBG_CTRL_0
+	ldr	r1, VAL_TEST_DBG_CTRL_0
+	str	r1, [r0]
+	ldr	r0, REG_MOD_CONF_CTRL_0
+	ldr	r1, VAL_MOD_CONF_CTRL_0
+	str	r1, [r0]
+
+	/* Move to 1510 mode */
+	ldr	r0, REG_COMP_MODE_CTRL_0
+	ldr	r1, VAL_COMP_MODE_CTRL_0
+	str	r1, [r0]
+
+	/* Set up Traffic Ctlr*/
+	ldr r0, REG_TC_IMIF_PRIO
+	mov r1, #0x0
+	str r1, [r0]
+	ldr r0, REG_TC_EMIFS_PRIO
+	str r1, [r0]
+	ldr r0, REG_TC_EMIFF_PRIO
+	str r1, [r0]
+
+	ldr r0, REG_TC_EMIFS_CONFIG
+	ldr r1, [r0]
+	bic r1, r1, #0x08   /* clear the global power-down enable PDE bit */
+	bic r1, r1, #0x01   /* write protect flash by clearing the WP bit */
+	str r1, [r0]	    /* EMIFS GlB Configuration. (value 0x12 most likely) */
+
+	ldr r0, _GPIO_PIN_CONTROL_REG
+	ldrh r1,[r0]
+	orr r1, r1, #0x0001 /* M_PCM_SYNC */
+	orr r1, r1, #0x4000 /* IPC_ACTIVE */
+	orr r1, r1, #0x0002 /* A_IRDA_OFF */
+	orr r1, r1, #0x0800 /* A_SWITCH	  */
+	orr r1, r1, #0x8000 /* A_USB_ON	  */
+	strh r1,[r0]
+
+	ldr r0, _GPIO_DIR_CONTROL_REG
+	ldrh r1,[r0]
+	bic r1, r1, #0x0001 /* M_PCM_SYNC */
+	bic r1, r1, #0x4000 /* IPC_ACTIVE */
+	bic r1, r1, #0x0002 /* A_IRDA_OFF */
+	bic r1, r1, #0x0800 /* A_SWITCH	  */
+	bic r1, r1, #0x8000 /* A_USB_ON	  */
+	strh r1,[r0]
+
+	ldr r0, _GPIO_DATA_OUTPUT_REG
+	ldrh r1,[r0]
+	bic r1, r1, #0x0001 /* M_PCM_SYNC */
+	orr r1, r1, #0x4000 /* IPC_ACTIVE */
+	orr r1, r1, #0x0002 /* A_IRDA_OFF */
+	bic r1, r1, #0x0800 /* A_SWITCH	  */
+	bic r1, r1, #0x8000 /* A_USB_ON	  */
+	strh r1,[r0]
+
+	/* Setup some clock domains */
+	ldr r1, =OMAP1510_CLKS
+	ldr r0, REG_ARM_IDLECT2
+	strh r1, [r0]  /* CLKM, Clock domain control. */
+
+	mov r1, #0x01  /* PER_EN bit */
+	ldr r0, REG_ARM_RSTCT2
+	strh r1, [r0]  /* CLKM; Peripheral reset. */
+
+	/* Set CLKM to Sync-Scalable  */
+	/* I supposidly need to enable the dsp clock before switching */
+	mov r1, #0x1000
+	ldr r0, REG_ARM_SYSST
+	strh r1, [r0]
+	mov r0, #0x400
+1:
+	subs r0, r0, #0x1   /* wait for any bubbles to finish */
+	bne 1b
+
+	ldr r1, VAL_ARM_CKCTL  /* use 12Mhz ref, PER must be <= 50Mhz so /2 */
+	ldr r0, REG_ARM_CKCTL
+	strh r1, [r0]
+
+	/* setup DPLL 1 */
+	ldr r1, VAL_DPLL1_CTL
+	ldr r0, REG_DPLL1_CTL
+	strh r1, [r0]
+	ands r1, r1, #0x10  /* Check if PLL is enabled. */
+	beq lock_end	    /* Do not look for lock if BYPASS selected */
+2:
+	ldrh r1, [r0]
+	ands r1, r1, #0x01  /* Check the LOCK bit. */
+	beq 2b		    /* ...loop until bit goes hi. */
+lock_end:
+
+	/* Set memory timings corresponding to the new clock speed */
+
+	/* Check execution location to determine current execution location
+	 * and branch to appropriate initialization code.
+	 */
+	mov r0, #0x10000000		    /* Load physical SDRAM base. */
+	mov r1, pc			    /* Get current execution location. */
+	cmp r1, r0			    /* Compare. */
+	bge skip_sdram			    /* Skip over EMIF-fast initialization if running from SDRAM. */
+
+	/*
+	 * Delay for SDRAM initialization.
+	 */
+	mov r3, #0x1800			       /* value should be checked */
+3:
+	subs r3, r3, #0x1		      /* Decrement count */
+	bne 3b
+
+	/*
+	 * Set SDRAM control values. Disable refresh before MRS command.
+	 */
+	ldr r0, VAL_TC_EMIFF_SDRAM_CONFIG   /* get good value */
+	bic r3, r0, #0xC		    /* (BIT3|BIT2) ulConfig with auto-refresh disabled. */
+	orr r3, r3, #0x8000000		    /* (BIT27) Disable CLK when Power down or Self-Refresh */
+	orr r3, r3, #0x4000000		    /* BIT26 Power Down Enable */
+	ldr r2, REG_TC_EMIFF_SDRAM_CONFIG   /* Point to configuration register. */
+	str r3, [r2]			    /* Store the passed value with AR disabled. */
+
+	ldr r1, VAL_TC_EMIFF_MRS	    /* get MRS value */
+	ldr r2, REG_TC_EMIFF_MRS	    /* Point to MRS register. */
+	str r1, [r2]			    /* Store the passed value.*/
+
+	ldr r2, REG_TC_EMIFF_SDRAM_CONFIG   /* Point to configuration register. */
+	str r0, [r2]			    /* Store the passed value. */
+
+	/*
+	 * Delay for SDRAM initialization.
+	 */
+	mov r3, #0x1800
+4:
+	subs r3, r3, #1			    /* Decrement count. */
+	bne 4b
+
+skip_sdram:
+
+	/* slow interface */
+	ldr r1, VAL_TC_EMIFS_CS0_CONFIG
+	ldr r0, REG_TC_EMIFS_CS0_CONFIG
+	str r1, [r0] /* Chip Select 0 */
+	ldr r1, VAL_TC_EMIFS_CS1_CONFIG
+	ldr r0, REG_TC_EMIFS_CS1_CONFIG
+	str r1, [r0] /* Chip Select 1 */
+	ldr r1, VAL_TC_EMIFS_CS2_CONFIG
+	ldr r0, REG_TC_EMIFS_CS2_CONFIG
+	str r1, [r0] /* Chip Select 2 */
+	ldr r1, VAL_TC_EMIFS_CS3_CONFIG
+	ldr r0, REG_TC_EMIFS_CS3_CONFIG
+	str r1, [r0] /* Chip Select 3 */
+
+	/* back to arch calling code */
+	mov	pc, lr
+
+/* the literal pools origin */
+	.ltorg
+
+/* OMAP configuration registers */
+REG_FUNC_MUX_CTRL_0:		/* 32 bits */
+	.word 0xfffe1000
+REG_FUNC_MUX_CTRL_1:		/* 32 bits */
+	.word 0xfffe1004
+REG_FUNC_MUX_CTRL_2:		/* 32 bits */
+	.word 0xfffe1008
+REG_COMP_MODE_CTRL_0:		/* 32 bits */
+	.word 0xfffe100c
+REG_FUNC_MUX_CTRL_3:		/* 32 bits */
+	.word 0xfffe1010
+REG_FUNC_MUX_CTRL_4:		/* 32 bits */
+	.word 0xfffe1014
+REG_FUNC_MUX_CTRL_5:		/* 32 bits */
+	.word 0xfffe1018
+REG_FUNC_MUX_CTRL_6:		/* 32 bits */
+	.word 0xfffe101c
+REG_FUNC_MUX_CTRL_7:		/* 32 bits */
+	.word 0xfffe1020
+REG_FUNC_MUX_CTRL_8:		/* 32 bits */
+	.word 0xfffe1024
+REG_FUNC_MUX_CTRL_9:		/* 32 bits */
+	.word 0xfffe1028
+REG_FUNC_MUX_CTRL_A:		/* 32 bits */
+	.word 0xfffe102C
+REG_FUNC_MUX_CTRL_B:		/* 32 bits */
+	.word 0xfffe1030
+REG_FUNC_MUX_CTRL_C:		/* 32 bits */
+	.word 0xfffe1034
+REG_FUNC_MUX_CTRL_D:		/* 32 bits */
+	.word 0xfffe1038
+REG_PULL_DWN_CTRL_0:		/* 32 bits */
+	.word 0xfffe1040
+REG_PULL_DWN_CTRL_1:		/* 32 bits */
+	.word 0xfffe1044
+REG_PULL_DWN_CTRL_2:		/* 32 bits */
+	.word 0xfffe1048
+REG_PULL_DWN_CTRL_3:		/* 32 bits */
+	.word 0xfffe104c
+REG_VOLTAGE_CTRL_0:		/* 32 bits */
+	.word 0xfffe1060
+REG_TEST_DBG_CTRL_0:		/* 32 bits */
+	.word 0xfffe1070
+REG_MOD_CONF_CTRL_0:		/* 32 bits */
+	.word 0xfffe1080
+REG_TC_IMIF_PRIO:		/* 32 bits */
+	.word 0xfffecc00
+REG_TC_EMIFS_PRIO:		/* 32 bits */
+	.word 0xfffecc04
+REG_TC_EMIFF_PRIO:		/* 32 bits */
+	.word 0xfffecc08
+REG_TC_EMIFS_CONFIG:		/* 32 bits */
+	.word 0xfffecc0c
+REG_TC_EMIFS_CS0_CONFIG:	/* 32 bits */
+	.word 0xfffecc10
+REG_TC_EMIFS_CS1_CONFIG:	/* 32 bits */
+	.word 0xfffecc14
+REG_TC_EMIFS_CS2_CONFIG:	/* 32 bits */
+	.word 0xfffecc18
+REG_TC_EMIFS_CS3_CONFIG:	/* 32 bits */
+	.word 0xfffecc1c
+REG_TC_EMIFF_SDRAM_CONFIG:	/* 32 bits */
+	.word 0xfffecc20
+REG_TC_EMIFF_MRS:		/* 32 bits */
+	.word 0xfffecc24
+/* MPU clock/reset/power mode control registers */
+REG_ARM_CKCTL:			/* 16 bits */
+	.word 0xfffece00
+REG_ARM_IDLECT2:		/* 16 bits */
+	.word 0xfffece08
+REG_ARM_RSTCT2:			/* 16 bits */
+	.word 0xfffece14
+REG_ARM_SYSST:			/* 16 bits */
+	.word 0xfffece18
+/* DPLL control registers */
+REG_DPLL1_CTL:			/* 16 bits */
+	.word 0xfffecf00
+/* identification code register */
+REG_IDCODE:			/* 32 bits */
+	.word 0xfffed404
+
+/* SX1 specific */
+_GPIO_PIN_CONTROL_REG:
+	.word GPIO_PIN_CONTROL_REG
+_GPIO_DIR_CONTROL_REG:
+	.word GPIO_DIR_CONTROL_REG
+_GPIO_DATA_OUTPUT_REG:
+	.word GPIO_DATA_OUTPUT_REG
+
+VAL_COMP_MODE_CTRL_0:
+	.word 0x0000eaef
+VAL_FUNC_MUX_CTRL_4:
+	.word 0x00000000
+VAL_FUNC_MUX_CTRL_5:
+	.word 0x00000000
+VAL_FUNC_MUX_CTRL_6:
+	.word 0x00000001
+VAL_FUNC_MUX_CTRL_7:
+	.word 0x00001000
+VAL_FUNC_MUX_CTRL_8:
+	.word 0x00001240       /*[Knoller]  Value of Symbian Image Wing B2*/
+VAL_FUNC_MUX_CTRL_9:
+	.word 0x00201008
+VAL_FUNC_MUX_CTRL_A:
+	.word 0x00001000
+VAL_FUNC_MUX_CTRL_B:
+	.word 0x00000000
+VAL_FUNC_MUX_CTRL_C:
+	.word 0x09008001       /*[Knoller]  Value of Symbian Image Wing B2*/
+VAL_FUNC_MUX_CTRL_D:
+	.word 0x00000000
+VAL_PULL_DWN_CTRL_0:
+	.word 0xfffeffff
+VAL_PULL_DWN_CTRL_1:
+	.word 0xd1ffffec
+VAL_PULL_DWN_CTRL_2:
+	.word 0xffa80c5b
+VAL_PULL_DWN_CTRL_3:
+	.word 0xffffc0fe
+VAL_VOLTAGE_CTRL_0:
+	.word 0x00000007
+VAL_TEST_DBG_CTRL_0:
+	/* The OMAP5910 TRM says this register must be 0, but HelenConfRegs
+	 * says to write a 7.  Don't know what the right thing is to do, so
+	 * I'm leaving it at 7 since that's what was already here.
+	 */
+	.word 0x00000007
+VAL_MOD_CONF_CTRL_0:
+	.word 0x0da20000       /*[Knoller]  Value of Symbian Image Wing B2*/
+
+VAL_ARM_CKCTL:
+	.word 0x010D
+
+VAL_DPLL1_CTL:
+	.word 0x3A33   /*[Hertle] Value of Symbian Image*/
+
+VAL_TC_EMIFS_CS1_CONFIG_PRELIM:
+	.word 0x00001149
+
+VAL_TC_EMIFS_CS2_CONFIG_PRELIM:
+	.word 0x00004158
+
+VAL_TC_EMIFS_CS0_CONFIG:
+	.word 0x00213090       /*[Knoller]  Value of Symbian Image Wing B2*/
+
+VAL_TC_EMIFS_CS1_CONFIG:
+	.word 0x00215070       /*[Knoller]  Value of Symbian Image Wing B2*/
+
+VAL_TC_EMIFS_CS2_CONFIG:
+	.word 0x00001139       /*[Knoller]  Value of Symbian Image Wing B2*/
+
+VAL_TC_EMIFS_CS3_CONFIG:
+	.word 0x00001139       /*[Knoller]  Value of Symbian Image Wing B2*/
+
+VAL_TC_EMIFF_SDRAM_CONFIG:
+	.word 0x0105f0b4       /*[Knoller]  Value of Symbian Image Wing B2*/
+
+
+VAL_TC_EMIFF_MRS:
+	.word 0x00000027       /*[Knoller]  Value of Symbian Image Wing B2*/