1 files changed, 0 insertions, 587 deletions
diff --git a/board/dbau1x00/lowlevel_init.S b/board/dbau1x00/lowlevel_init.S
deleted file mode 100644
index 7afd5840c8..0000000000
--- a/board/dbau1x00/lowlevel_init.S
+++ /dev/null
@@ -1,587 +0,0 @@
-/* Memory sub-system initialization code */
-
-#include <config.h>
-#include <version.h>
-#include <asm/regdef.h>
-#include <asm/au1x00.h>
-#include <asm/mipsregs.h>
-
-#define AU1500_SYS_ADDR		0xB1900000
-#define sys_endian		0x0038
-#define CP0_Config0		$16
-#define CPU_SCALE		((CFG_MHZ) / 12) /* CPU clock is a multiple of 12 MHz */
-#define MEM_1MS			((CFG_MHZ) * 1000)
-
-	.text
-	.set noreorder
-	.set mips32
-
-	.globl	lowlevel_init
-lowlevel_init:
-	/*
-	 * Step 1) Establish CPU endian mode.
-	 * Db1500-specific:
-	 * Switch S1.1 Off(bit7 reads 1) is Little Endian
-	 * Switch S1.1 On (bit7 reads 0) is Big Endian
-	 */
-#ifdef CONFIG_DBAU1550
-	li	t0, MEM_STCFG2
-	li	t1, 0x00000040
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STTIME2
-	li	t1, 0x22080a20
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STADDR2
-	li	t1, 0x10c03f00
-	sw	t1, 0(t0)
-#else
-	li	t0, MEM_STCFG1
-	li	t1, 0x00000080
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STTIME1
-	li	t1, 0x22080a20
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STADDR1
-	li	t1, 0x10c03f00
-	sw	t1, 0(t0)
-#endif
-
-	li	t0, DB1XX0_BCSR_ADDR
-	lw	t1,8(t0)
-	andi	t1,t1,0x80
-	beq	zero,t1,big_endian
-	nop
-little_endian:
-
-	/* Change Au1 core to little endian */
-	li	t0, AU1500_SYS_ADDR
-	li	t1, 1
-	sw	t1, sys_endian(t0)
-	mfc0	t2, CP0_CONFIG
-	mtc0	t2, CP0_CONFIG
-	nop
-	nop
-
-	/* Big Endian is default so nothing to do but fall through */
-
-big_endian:
-
-	/*
-	 * Step 2) Establish Status Register
-	 * (set BEV, clear ERL, clear EXL, clear IE)
-	 */
-	li	t1, 0x00400000
-	mtc0	t1, CP0_STATUS
-
-	/*
-	 * Step 3) Establish CP0 Config0
-	 * (set OD, set K0=3)
-	 */
-	li	t1, 0x00080003
-	mtc0	t1, CP0_CONFIG
-
-	/*
-	 * Step 4) Disable Watchpoint facilities
-	 */
-	li t1, 0x00000000
-	mtc0	t1, CP0_WATCHLO
-	mtc0	t1, CP0_IWATCHLO
-	/*
-	 * Step 5) Disable the performance counters
-	 */
-	mtc0	zero, CP0_PERFORMANCE
-	nop
-
-	/*
-	 * Step 6) Establish EJTAG Debug register
-	 */
-	mtc0	zero, CP0_DEBUG
-	nop
-
-	/*
-	 * Step 7) Establish Cause
-	 * (set IV bit)
-	 */
-	li	t1, 0x00800000
-	mtc0	t1, CP0_CAUSE
-
-	/* Establish Wired (and Random) */
-	mtc0	zero, CP0_WIRED
-	nop
-
-#ifdef CONFIG_DBAU1550
-	/* No workaround if running from ram */
-	lui	t0, 0xffc0
-	lui	t3, 0xbfc0
-	and	t1, ra, t0
-	bne	t1, t3, noCacheJump
-	nop
-
-	/*** From AMD YAMON ***/
-	/*
-	 * Step 8) Initialize the caches
-	 */
-	li		t0, (16*1024)
-	li		t1, 32
-	li		t2, 0x80000000
-	addu	t3, t0, t2
-cacheloop:
-	cache	0, 0(t2)
-	cache	1, 0(t2)
-	addu	t2, t1
-	bne		t2, t3, cacheloop
-	nop
-
-	/* Save return address */
-	move		t3, ra
-
-	/* Run from cacheable space now */
-	bal		cachehere
-	nop
-cachehere:
-	li		t1, ~0x20000000 /* convert to KSEG0 */
-	and		t0, ra, t1
-	addi	t0, 5*4			/* 5 insns beyond cachehere */
-	jr		t0
-	nop
-
-	/* Restore return address */
-	move		ra, t3
-
-	/*
-	 * Step 9) Initialize the TLB
-	 */
-	li		t0, 0			# index value
-	li		t1, 0x00000000		# entryhi value
-	li		t2, 32			# 32 entries
-
-tlbloop:
-	/* Probe TLB for matching EntryHi */
-	mtc0	t1, CP0_ENTRYHI
-	tlbp
-	nop
-
-	/* Examine Index[P], 1=no matching entry */
-	mfc0	t3, CP0_INDEX
-	li	t4, 0x80000000
-	and	t3, t4, t3
-	addiu	t1, t1, 1		# increment t1 (asid)
-	beq	zero, t3, tlbloop
-	nop
-
-	/* Initialize the TLB entry */
-	mtc0	t0, CP0_INDEX
-	mtc0	zero, CP0_ENTRYLO0
-	mtc0	zero, CP0_ENTRYLO1
-	mtc0	zero, CP0_PAGEMASK
-	tlbwi
-
-	/* Do it again */
-	addiu	t0, t0, 1
-	bne	t0, t2, tlbloop
-	nop
-
-	/* First setup pll:s to make serial work ok */
-	/* We have a 12 MHz crystal */
-	li	t0, SYS_CPUPLL
-	li	t1, CPU_SCALE  /* CPU clock */
-	sw	t1, 0(t0)
-	sync
-	nop
-	nop
-
-	/* wait 1mS for clocks to settle */
-	li	t1, MEM_1MS
-1:	add	t1, -1
-	bne	t1, zero, 1b
-	nop
-	/* Setup AUX PLL */
-	li	t0, SYS_AUXPLL
-	li	t1, 0x20 /* 96 MHz */
-	sw	t1, 0(t0) /* aux pll */
-	sync
-
-	/*  Static memory controller */
-	/* RCE0 - can not change while fetching, do so from icache */
-	move		t2, ra /* Store return address */
-	bal		getAddr
-	nop
-
-getAddr:
-	move		t1, ra
-	move		ra, t2 /* Move return addess back */
-
-	cache	0x14,0(t1)
-	cache	0x14,32(t1)
-	/*** /From YAMON ***/
-
-noCacheJump:
-#endif /* CONFIG_DBAU1550 */
-
-#ifdef CONFIG_DBAU1550
-	li	t0, MEM_STTIME0
-	li	t1, 0x040181D7
-	sw	t1, 0(t0)
-
-	/* RCE0 AMD MirrorBit Flash (?) */
-	li	t0, MEM_STCFG0
-	li	t1, 0x00000003
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STADDR0
-	li	t1, 0x11803E00
-	sw	t1, 0(t0)
-#else /* CONFIG_DBAU1550 */
-	li	t0, MEM_STTIME0
-	li	t1, 0x00014C0F
-	sw	t1, 0(t0)
-
-	/* RCE0 AMD 29LV640M MirrorBit Flash */
-	li	t0, MEM_STCFG0
-	li	t1, 0x00000013
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STADDR0
-	li	t1, 0x11E03F80
-	sw	t1, 0(t0)
-#endif /* CONFIG_DBAU1550 */
-
-	/* RCE1 CPLD Board Logic */
-	li	t0, MEM_STCFG1
-	li	t1, 0x00000080
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STTIME1
-	li	t1, 0x22080a20
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STADDR1
-	li	t1, 0x10c03f00
-	sw	t1, 0(t0)
-
-#ifdef CONFIG_DBAU1550
-	/* RCE2 CPLD Board Logic */
-	li	t0, MEM_STCFG2
-	li	t1, 0x00000040
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STTIME2
-	li	t1, 0x22080a20
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STADDR2
-	li	t1, 0x10c03f00
-	sw	t1, 0(t0)
-#else
-	li	t0, MEM_STCFG2
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STTIME2
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STADDR2
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-#endif
-
-	/* RCE3 PCMCIA 250ns */
-	li	t0, MEM_STCFG3
-	li	t1, 0x00000002
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STTIME3
-	li	t1, 0x280E3E07
-	sw	t1, 0(t0)
-
-	li	t0, MEM_STADDR3
-	li	t1, 0x10000000
-	sw	t1, 0(t0)
-
-	sync
-
-	/* Set peripherals to a known state */
-	li	t0, IC0_CFG0CLR
-	li	t1, 0xFFFFFFFF
-	sw	t1, 0(t0)
-
-	li	t0, IC0_CFG0CLR
-	sw	t1, 0(t0)
-
-	li	t0, IC0_CFG1CLR
-	sw	t1, 0(t0)
-
-	li	t0, IC0_CFG2CLR
-	sw	t1, 0(t0)
-
-	li	t0, IC0_SRCSET
-	sw	t1, 0(t0)
-
-	li	t0, IC0_ASSIGNSET
-	sw	t1, 0(t0)
-
-	li	t0, IC0_WAKECLR
-	sw	t1, 0(t0)
-
-	li	t0, IC0_RISINGCLR
-	sw	t1, 0(t0)
-
-	li	t0, IC0_FALLINGCLR
-	sw	t1, 0(t0)
-
-	li	t0, IC0_TESTBIT
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, IC1_CFG0CLR
-	li	t1, 0xFFFFFFFF
-	sw	t1, 0(t0)
-
-	li	t0, IC1_CFG0CLR
-	sw	t1, 0(t0)
-
-	li	t0, IC1_CFG1CLR
-	sw	t1, 0(t0)
-
-	li	t0, IC1_CFG2CLR
-	sw	t1, 0(t0)
-
-	li	t0, IC1_SRCSET
-	sw	t1, 0(t0)
-
-	li	t0, IC1_ASSIGNSET
-	sw	t1, 0(t0)
-
-	li	t0, IC1_WAKECLR
-	sw	t1, 0(t0)
-
-	li	t0, IC1_RISINGCLR
-	sw	t1, 0(t0)
-
-	li	t0, IC1_FALLINGCLR
-	sw	t1, 0(t0)
-
-	li	t0, IC1_TESTBIT
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, SYS_FREQCTRL0
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	li	t0, SYS_FREQCTRL1
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	li	t0, SYS_CLKSRC
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	li	t0, SYS_PININPUTEN
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, 0xB1100100
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	li	t0, 0xB1400100
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-
-	li	t0, SYS_WAKEMSK
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	li	t0, SYS_WAKESRC
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	/* wait 1mS before setup */
-	li	t1, MEM_1MS
-1:	add	t1, -1
-	bne	t1, zero, 1b
-	nop
-
-#ifdef CONFIG_DBAU1550
-/* SDCS 0,1,2 DDR SDRAM */
-	li	t0, MEM_SDMODE0
-	li	t1, 0x04276221
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDMODE1
-	li	t1, 0x04276221
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDMODE2
-	li	t1, 0x04276221
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDADDR0
-	li	t1, 0xe21003f0
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDADDR1
-	li	t1, 0xe21043f0
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDADDR2
-	li	t1, 0xe21083f0
-	sw	t1, 0(t0)
-
-	sync
-
-	li	t0, MEM_SDCONFIGA
-	li	t1, 0x9030060a /* Program refresh - disabled */
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDCONFIGB
-	li	t1, 0x00028000
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDPRECMD /* Precharge all */
-	li	t1, 0
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDWRMD0
-	li	t1, 0x40000000
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDWRMD1
-	li	t1, 0x40000000
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDWRMD2
-	li	t1, 0x40000000
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDWRMD0
-	li	t1, 0x00000063
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDWRMD1
-	li	t1, 0x00000063
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDWRMD2
-	li	t1, 0x00000063
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDPRECMD /* Precharge all */
-	sw	zero, 0(t0)
-	sync
-
-	/* Issue 2 autoref */
-	li	t0, MEM_SDAUTOREF
-	sw	zero, 0(t0)
-	sync
-
-	li	t0, MEM_SDAUTOREF
-	sw	zero, 0(t0)
-	sync
-
-	/* Enable refresh */
-	li	t0, MEM_SDCONFIGA
-	li	t1, 0x9830060a /* Program refresh - enabled */
-	sw	t1, 0(t0)
-	sync
-
-#else /* CONFIG_DBAU1550 */
-/* SDCS 0,1 SDRAM */
-	li	t0, MEM_SDMODE0
-	li	t1, 0x005522AA
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDMODE1
-	li	t1, 0x005522AA
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDMODE2
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDADDR0
-	li	t1, 0x001003F8
-	sw	t1, 0(t0)
-
-
-	li	t0, MEM_SDADDR1
-	li	t1, 0x001023F8
-	sw	t1, 0(t0)
-
-	li	t0, MEM_SDADDR2
-	li	t1, 0x00000000
-	sw	t1, 0(t0)
-
-	sync
-
-	li	t0, MEM_SDREFCFG
-	li	t1, 0x64000C24 /* Disable */
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDPRECMD
-	sw	zero, 0(t0)
-	sync
-
-	li	t0, MEM_SDAUTOREF
-	sw	zero, 0(t0)
-	sync
-	sw	zero, 0(t0)
-	sync
-
-	li	t0, MEM_SDREFCFG
-	li	t1, 0x66000C24 /* Enable */
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDWRMD0
-	li	t1, 0x00000033
-	sw	t1, 0(t0)
-	sync
-
-	li	t0, MEM_SDWRMD1
-	li	t1, 0x00000033
-	sw	t1, 0(t0)
-	sync
-
-#endif /* CONFIG_DBAU1550 */
-	/* wait 1mS after setup */
-	li	t1, MEM_1MS
-1:	add	t1, -1
-	bne	t1, zero, 1b
-	nop
-
-	li	t0, SYS_PINFUNC
-	li	t1, 0x00008080
-	sw	t1, 0(t0)
-
-	li	t0, SYS_TRIOUTCLR
-	li	t1, 0x00001FFF
-	sw	t1, 0(t0)
-
-	li	t0, SYS_OUTPUTCLR
-	li	t1, 0x00008000
-	sw	t1, 0(t0)
-	sync
-
-	j	ra
-	nop