ppc4xx: Add T3COPR board support (PPC460GT based)

This patch adds support for the T3CORP board, based on the
AppliedMicro (APM) PPC460GT.

Signed-off-by: Stefan Roese <sr@denx.de>

1 files changed, 99 insertions, 0 deletions

diff --git a/board/t3corp/init.S b/board/t3corp/init.S
new file mode 100644
index 0000000000..4a4217fc8e
--- /dev/null
+++ b/board/t3corp/init.S
@@ -0,0 +1,99 @@
+/*
+ * (C) Copyright 2010
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * 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 <ppc_asm.tmpl>
+#include <config.h>
+#include <asm/mmu.h>
+
+/*
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ *  Pointer to the table is returned in r1
+ *
+ */
+	.section .bootpg,"ax"
+	.globl tlbtab
+
+tlbtab:
+	tlbtab_start
+
+	/*
+	 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to
+	 * use the speed up boot process. It is patched after relocation to
+	 * enable SA_I
+	 */
+	tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M,
+		 CONFIG_SYS_BOOT_BASE_ADDR, 4, AC_RWX | SA_G)
+
+	/*
+	 * TLB entries for SDRAM are not needed on this platform.
+	 * They are dynamically generated in the DDR(2) detection
+	 * routine.
+	 */
+
+#ifdef CONFIG_SYS_INIT_RAM_DCACHE
+	/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+	tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR, 0,
+		 AC_RWX | SA_G)
+#endif
+
+	tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xc,
+		 AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x20000000, 0xc,
+		 AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xd,
+		 AC_RW | SA_IG)
+
+	tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xd,
+		 AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xd,
+		 AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xd,
+		 AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xd,
+		 AC_RW | SA_IG)
+
+	/* PCIe UTL register */
+	tlbentry(CONFIG_SYS_PCIE_BASE, SZ_16K, 0x08010000, 0xc, AC_RW | SA_IG)
+
+	/* TLB-entry for FPGA(s) */
+	tlbentry(CONFIG_SYS_FPGA1_BASE, SZ_1M, CONFIG_SYS_FPGA1_BASE, 4,
+		 AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_FPGA2_BASE, SZ_1M, CONFIG_SYS_FPGA2_BASE, 4,
+		 AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_FPGA3_BASE, SZ_1M, CONFIG_SYS_FPGA3_BASE, 4,
+		 AC_RW | SA_IG)
+
+	/* TLB-entry for OCM */
+	tlbentry(CONFIG_SYS_OCM_BASE, SZ_1M, 0x00000000, 4,
+		 AC_RWX | SA_I)
+
+	/* TLB-entry for Local Configuration registers => peripherals */
+	tlbentry(CONFIG_SYS_LOCAL_CONF_REGS, SZ_16M,
+		 CONFIG_SYS_LOCAL_CONF_REGS, 4, AC_RWX | SA_IG)
+
+	tlbtab_end