1 files changed, 340 insertions, 0 deletions
diff --git a/board/st/nmdk8815/platform.S b/board/st/nmdk8815/platform.S
new file mode 100644
index 0000000..2a67110
--- /dev/null
+++ b/board/st/nmdk8815/platform.S
@@ -0,0 +1,340 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2005
+ * STMicrolelctronics, <www.st.com>
+ *
+ * (C) Copyright 2004, ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.com>
+ *
+ * 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>
+
+.globl lowlevel_init
+lowlevel_init:
+	/* Jump to the flash address */
+	ldr r0, =CFG_ONENAND_BASE
+
+	/*
+	 * Make it independent whether we boot from 0x0 or 0x30000000.
+	 * Non-portable: it relies on the knowledge that ip has to be updated
+	 */
+	orr ip, ip, r0	/* adjust return address of cpu_init_crit */
+	orr lr, lr, r0	/* adjust return address */
+	orr pc, pc, r0	/* jump to the normal address */
+	nop
+
+	/* Initialize PLL, Remap clear, FSMC, MPMC here! */
+	/* What about GPIO, CLCD and UART */
+
+	/* PLL Initialization */
+	/* Prog the PLL1 @ 266 MHz ==> SDRAM Clock = 100.8 MHz */
+	ldr r0, =NOMADIK_SRC_BASE
+
+	ldr r1, =0x2B013502
+
+	str r1, [r0, #0x14]
+
+	/* Used to set all the timers clock to 2.4MHZ */
+	ldr r1, =0x2AAAA004
+	str r1, [r0]
+
+	ldr r1, =0x10000000
+	str r1, [r0, #0x10]
+
+	/* FSMC setup ---- */
+	ldr r0, =NOMADIK_FSMC_BASE
+
+	ldr r1, =0x10DB		/* For 16-bit NOR flash */
+	str r1, [r0, #0x08]
+
+	ldr r1, =0x03333333	/* For 16-bit NOR flash */
+	str r1, [r0, #0xc]
+
+	/* oneNAND setting */
+	ldr r1, =0x0000105B	/* BCR0 Prog control register */
+	str r1, [r0]
+
+	ldr r1, =0x0A200551	/* BTR0 Prog timing register */
+	str r1, [r0, #0x04]
+
+	/* preload the instructions into icache */
+	add r0, pc, #0x1F
+	bic r0, r0, #0x1F
+	mcr p15, 0, r0, c7, c13, 1
+	add r0, r0, #0x20
+	mcr p15, 0, r0, c7, c13, 1
+
+	/* Now Clear Remap */
+	ldr r0, =NOMADIK_SRC_BASE
+
+	ldr r1, =0x2004
+	str r1, [r0]
+
+	ldr r1, =0x10000000
+	str r1, [r0, #0x10]
+
+	ldr r0, =0x101E9000
+	ldr r1, =0x2004
+	str r1, [r0]
+
+	ldr r0, =NOMADIK_SRC_BASE
+	ldr r1, =0x2104
+	str r1, [r0]
+
+	/* FSMC setup -- */
+	mov r0, #(NOMADIK_FSMC_BASE & 0x10000000)
+	orr r0, r0, #(NOMADIK_FSMC_BASE & 0x0FFFFFFF)
+
+	ldr r1, =0x10DB		/* For 16-bit NOR flash */
+	str r1, [r0, #0x8]
+
+	ldr r1, =0x03333333	/* For 16-bit NOR flash */
+	str r1, [r0, #0xc]
+
+	/* MPMC Setup */
+	ldr r0, =NOMADIK_MPMC_BASE
+
+	ldr r1, =0xF00003
+	str r1, [r0]		/* Enable the MPMC and the DLL */
+
+	ldr r1, =0x183
+	str r1, [r0, #0x20]
+
+	ldr r2, =NOMADIK_PMU_BASE
+
+	ldr r1, =0x1111
+	str r1, [r2]
+
+	ldr r1, =0x1111		/* Prog the, mand delay strategy */
+	str r1, [r0, #0x28]
+
+	ldr r1, =0x103		/* NOP ,mand */
+	str r1, [r0, #0x20]
+
+	/* FIXME -- Wait required here */
+
+	ldr r1, =0x103		/* PALL ,mand*/
+	str r1, [r0, #0x20]
+
+	ldr r1, =0x1
+	str r1, [r0, #0x24]	/* To do at least two auto-refresh */
+
+	/* FIXME -- Wait required here */
+
+	/* Auto-refresh period = 7.8us @ SDRAM Clock = 100.8 MHz */
+	ldr r1, =0x31
+	str r1, [r0, #0x24]
+
+	/* Prog Little Endian, Not defined in 8800 board */
+	ldr r1, =0x0
+	str r1,	[r0, #0x8]
+
+
+	ldr r1, =0x2
+	str r1, [r0, #0x30]		/* Prog tRP timing */
+
+	ldr r1, =0x4			/* Change for 8815 */
+	str r1, [r0, #0x34]		/* Prog tRAS timing */
+
+	ldr r1, =0xB
+	str r1, [r0, #0x38]		/* Prog tSREX timing */
+
+
+	ldr r1, =0x1
+	str r1, [r0, #0x44]		/* Prog tWR timing */
+
+	ldr r1, =0x8
+	str r1, [r0, #0x48]		/* Prog tRC timing */
+
+	ldr r1, =0xA
+	str r1, [r0, #0x4C]		/* Prog tRFC timing */
+
+	ldr r1, =0xB
+	str r1, [r0, #0x50]		/* Prog tXSR timing */
+
+	ldr r1, =0x1
+	str r1, [r0, #0x54]		/* Prog tRRD timing */
+
+	ldr r1, =0x1
+	str r1, [r0, #0x58]		/* Prog tMRD timing */
+
+	ldr r1, =0x1
+	str r1, [r0, #0x5C]		/* Prog tCDLR timing */
+
+	/* DDR-SDRAM MEMORY IS ON BANK0 8815 */
+	ldr r1, =0x304			/* Prog RAS and CAS for CS 0 */
+	str r1, [r0, #0x104]
+
+	/* SDR-SDRAM MEMORY IS ON BANK1 8815 */
+	ldr r1, =0x304			/* Prog RAS and CAS for CS 1 */
+	str r1, [r0, #0x124]
+	/* THE DATA BUS WIDE IS PROGRAM FOR 16-BITS */
+	/* DDR-SDRAM MEMORY IS ON BANK0*/
+
+	ldr r1, =0x884			/* 8815 : config reg in BRC for CS0 */
+	str r1, [r0, #0x100]
+
+	/*SDR-SDRAM MEMORY IS ON BANK1*/
+
+	ldr r1, =0x884			/* 8815 : config reg in BRC for CS1 */
+	str r1, [r0, #0x120]
+
+	ldr r1, =0x83			/*MODE Mand*/
+	str r1, [r0, #0x20]
+
+	/* LOAD MODE REGISTER FOR 2 bursts of 16b, with DDR mem ON BANK0 */
+
+	ldr r1, =0x62000			/*Data in*/
+	ldr r1, [r1]
+
+	/* LOAD MODE REGISTER FOR 2 bursts of 16b, with DDR mem ON BANK1 */
+
+	ldr r1, =0x8062000
+	ldr r1, [r1]
+
+	ldr r1, =0x003
+	str r1, [r0, #0x20]
+
+	/* ENABLE ALL THE BUFFER FOR EACH AHB PORT*/
+
+	ldr r1, =0x01			/* Enable buffer 0 */
+	str r1, [r0, #0x400]
+
+	ldr r1, =0x01			/* Enable buffer 1 */
+	str r1, [r0, #0x420]
+
+	ldr r1, =0x01			/* Enable buffer 2 */
+	str r1, [r0, #0x440]
+
+	ldr r1, =0x01			/* Enable buffer 3 */
+	str r1, [r0, #0x460]
+
+	ldr r1, =0x01			/* Enable buffer 4 */
+	str r1, [r0, #0x480]
+
+	ldr r1, =0x01			/* Enable buffer 5 */
+	str r1, [r0, #0x4A0]
+
+	/* GPIO settings */
+
+	ldr r0, =NOMADIK_GPIO1_BASE
+
+	ldr r1, =0xC0600000
+	str r1, [r0, #0x20]
+
+	ldr r1, =0x3F9FFFFF		/* ABHI change this for uart1 */
+	str r1, [r0, #0x24]
+
+	ldr r1, =0x3F9FFFFF		/* ABHI change this for uart1 */
+	str r1, [r0, #0x28]
+
+	ldr r0, =NOMADIK_GPIO0_BASE
+
+	ldr r1, =0xFFFFFFFF
+	str r1, [r0, #0x20]
+
+	ldr r1, =0x00
+	str r1, [r0, #0x24]
+
+	ldr r1, =0x00
+	str r1, [r0, #0x28]
+
+	/* Configure CPLD_CTRL register for enabling MUX logic for UART0/UART2 */
+
+	ldr r0, =NOMADIK_FSMC_BASE
+
+	ldr r1, =0x10DB			/* INIT FSMC bank 0 */
+	str r1, [r0, #0x00]
+
+	ldr r1, =0x0FFFFFFF
+	str r1, [r0, #0x04]
+
+	ldr r1, =0x010DB		/* INIT FSMC bank 1 */
+	str r1, [r0, #0x08]
+
+	ldr r1, =0x00FFFFFFF
+	str r1, [r0, #0x0C]
+
+	ldr r0, =NOMADIK_UART0_BASE
+
+	ldr r1, =0x00000000
+	str r1, [r0, #0x30]
+
+	ldr r1, =0x0000004e
+	str r1, [r0, #0x24]
+
+	ldr r1, =0x00000008
+	str r1, [r0, #0x28]
+
+	ldr r1, =0x00000060
+	str r1, [r0, #0x2C]
+
+	ldr r1, =0x00000301
+	str r1, [r0, #0x30]
+
+	ldr r1, =0x00000066
+	str r1, [r0]
+
+	ldr r0, =NOMADIK_UART1_BASE
+
+	ldr r1, =0x00000000
+	str r1, [r0, #0x30]
+
+	ldr r1, =0x0000004e
+	str r1, [r0, #0x24]
+
+	ldr r1, =0x00000008
+	str r1, [r0, #0x28]
+
+	ldr r1, =0x00000060
+	str r1, [r0, #0x2C]
+
+	ldr r1, =0x00000301
+	str r1, [r0, #0x30]
+
+	ldr r1, =0x00000066
+	str r1, [r0]
+
+	ldr r0, =NOMADIK_UART2_BASE
+
+	ldr r1, =0x00000000
+	str r1, [r0, #0x30]
+
+	ldr r1, =0x0000004e
+	str r1, [r0, #0x24]
+
+	ldr r1, =0x00000008
+	str r1, [r0, #0x28]
+
+	ldr r1, =0x00000060
+	str r1, [r0, #0x2C]
+
+	ldr r1, =0x00000301
+	str r1, [r0, #0x30]
+
+	ldr r1, =0x00000066
+	str r1, [r0]
+
+	/* Configure CPLD to enable UART0 */
+
+	mov pc, lr