board/amcc/canyonlands/init.S

/*
 * (C) Copyright 2008
 * Stefan Roese, DENX Software Engineering, sr@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <asm-offsets.h>
#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 0 */

	/*
	 * TLB entries for SDRAM are not needed on this platform.
	 * They are dynamically generated in the SPD 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)

#if !defined(CONFIG_ARCHES)
	/* TLB-entry for NAND */
	tlbentry(CONFIG_SYS_NAND_ADDR, SZ_1K, CONFIG_SYS_NAND_ADDR, 4, AC_RWX | SA_IG)

	/* TLB-entry for CPLD */
	tlbentry(CONFIG_SYS_BCSR_BASE, SZ_1K, CONFIG_SYS_BCSR_BASE, 4, AC_RW | SA_IG)
#else
	/* TLB-entry for FPGA */
	tlbentry(CONFIG_SYS_FPGA_BASE, SZ_16M, CONFIG_SYS_FPGA_BASE, 4, AC_RW | SA_IG)
#endif

	/* 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)

	/* AHB: Internal USB Peripherals (USB, SATA) */
	tlbentry(CONFIG_SYS_AHB_BASE, SZ_1M, 0xbff00000, 4, AC_RWX | SA_IG)

#if defined(CONFIG_RAPIDIO)
	/* TLB-entries for RapidIO (SRIO) */
	tlbentry(CONFIG_SYS_SRGPL0_REG_BAR, SZ_16M, CONFIG_SYS_SRGPL0_REG_BAR,
					0xD, AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_SRGPL0_CFG_BAR, SZ_16M, CONFIG_SYS_SRGPL0_CFG_BAR,
					0xD, AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_SRGPL0_MNT_BAR, SZ_16M, CONFIG_SYS_SRGPL0_MNT_BAR,
					0xD, AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_I2ODMA_BASE, SZ_1K,  0x00100000,
					0x4, AC_RW | SA_IG)
#endif

	tlbtab_end