From 917f0af9e5a9ceecf9e72537fabb501254ba321d Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Mon, 9 Jun 2008 14:01:46 +1000 Subject: powerpc: Remove arch/ppc and include/asm-ppc All the maintained platforms are now in arch/powerpc, so the old arch/ppc stuff can now go away. Acked-by: Adrian Bunk Acked-by: Arnd Bergmann Acked-by: Becky Bruce Acked-by: Benjamin Herrenschmidt Acked-by: Geert Uytterhoeven Acked-by: Grant Likely Acked-by: Jochen Friedrich Acked-by: John Linn Acked-by: Jon Loeliger Acked-by: Josh Boyer Acked-by: Kumar Gala Acked-by: Olof Johansson Acked-by: Peter Korsgaard Acked-by: Scott Wood Acked-by: Sean MacLennan Acked-by: Segher Boessenkool Acked-by: Stefan Roese Acked-by: Stephen Neuendorffer Acked-by: Wolfgang Denk Signed-off-by: Paul Mackerras --- arch/ppc/syslib/hawk_common.c | 317 ------------------------------------------ 1 file changed, 317 deletions(-) delete mode 100644 arch/ppc/syslib/hawk_common.c (limited to 'arch/ppc/syslib/hawk_common.c') diff --git a/arch/ppc/syslib/hawk_common.c b/arch/ppc/syslib/hawk_common.c deleted file mode 100644 index 86821d8753ed..000000000000 --- a/arch/ppc/syslib/hawk_common.c +++ /dev/null @@ -1,317 +0,0 @@ -/* - * Common Motorola PowerPlus Platform--really Falcon/Raven or HAWK. - * - * Author: Mark A. Greer - * mgreer@mvista.com - * - * 2001 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -/* - * The Falcon/Raven and HAWK has 4 sets of registers: - * 1) PPC Registers which define the mappings from PPC bus to PCI bus, - * etc. - * 2) PCI Registers which define the mappings from PCI bus to PPC bus and the - * MPIC base address. - * 3) MPIC registers. - * 4) System Memory Controller (SMC) registers. - */ - -/* - * Initialize the Motorola MCG Raven or HAWK host bridge. - * - * This means setting up the PPC bus to PCI memory and I/O space mappings, - * setting the PCI memory space address of the MPIC (mapped straight - * through), and ioremap'ing the mpic registers. - * This routine will set the PCI_CONFIG_ADDR or PCI_CONFIG_DATA - * addresses based on the PCI I/O address that is passed in. - * 'OpenPIC_Addr' will be set correctly by this routine. - */ -int __init -hawk_init(struct pci_controller *hose, - uint ppc_reg_base, - ulong processor_pci_mem_start, - ulong processor_pci_mem_end, - ulong processor_pci_io_start, - ulong processor_pci_io_end, - ulong processor_mpic_base) -{ - uint addr, offset; - - /* - * Some sanity checks... - */ - if (((processor_pci_mem_start&0xffff0000) != processor_pci_mem_start) || - ((processor_pci_io_start &0xffff0000) != processor_pci_io_start)) { - printk("hawk_init: %s\n", - "PPC to PCI mappings must start on 64 KB boundaries"); - return -1; - } - - if (((processor_pci_mem_end &0x0000ffff) != 0x0000ffff) || - ((processor_pci_io_end &0x0000ffff) != 0x0000ffff)) { - printk("hawk_init: PPC to PCI mappings %s\n", - "must end just before a 64 KB boundaries"); - return -1; - } - - if (((processor_pci_mem_end - processor_pci_mem_start) != - (hose->mem_space.end - hose->mem_space.start)) || - ((processor_pci_io_end - processor_pci_io_start) != - (hose->io_space.end - hose->io_space.start))) { - printk("hawk_init: %s\n", - "PPC and PCI memory or I/O space sizes don't match"); - return -1; - } - - if ((processor_mpic_base & 0xfffc0000) != processor_mpic_base) { - printk("hawk_init: %s\n", - "MPIC address must start on 256 MB boundary"); - return -1; - } - - if ((pci_dram_offset & 0xffff0000) != pci_dram_offset) { - printk("hawk_init: %s\n", - "pci_dram_offset must be multiple of 64 KB"); - return -1; - } - - /* - * Disable previous PPC->PCI mappings. - */ - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSOFF0_OFF), 0x00000000); - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSOFF1_OFF), 0x00000000); - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSOFF2_OFF), 0x00000000); - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSOFF3_OFF), 0x00000000); - - /* - * Program the XSADD/XSOFF registers to set up the PCI Mem & I/O - * space mappings. These are the mappings going from the processor to - * the PCI bus. - * - * Note: Don't need to 'AND' start/end addresses with 0xffff0000 - * because sanity check above ensures that they are properly - * aligned. - */ - - /* Set up PPC->PCI Mem mapping */ - addr = processor_pci_mem_start | (processor_pci_mem_end >> 16); - offset = (hose->mem_space.start - processor_pci_mem_start) | 0xd2; - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSADD0_OFF), addr); - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSOFF0_OFF), offset); - - /* Set up PPC->MPIC mapping on the bridge */ - addr = processor_mpic_base | - (((processor_mpic_base + HAWK_MPIC_SIZE) >> 16) - 1); - /* No write posting for this PCI Mem space */ - offset = (hose->mem_space.start - processor_pci_mem_start) | 0xc2; - - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSADD1_OFF), addr); - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSOFF1_OFF), offset); - - /* Set up PPC->PCI I/O mapping -- Contiguous I/O space */ - addr = processor_pci_io_start | (processor_pci_io_end >> 16); - offset = (hose->io_space.start - processor_pci_io_start) | 0xc0; - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSADD3_OFF), addr); - out_be32((uint *)(ppc_reg_base + HAWK_PPC_XSOFF3_OFF), offset); - - hose->io_base_virt = (void *)ioremap(processor_pci_io_start, - (processor_pci_io_end - processor_pci_io_start + 1)); - - /* - * Set up the indirect method of accessing PCI config space. - * The PCI config addr/data pair based on start addr of PCI I/O space. - */ - setup_indirect_pci(hose, - processor_pci_io_start + HAWK_PCI_CONFIG_ADDR_OFF, - processor_pci_io_start + HAWK_PCI_CONFIG_DATA_OFF); - - /* - * Disable previous PCI->PPC mappings. - */ - - /* XXXX Put in mappings from PCI bus to processor bus XXXX */ - - /* - * Disable MPIC response to PCI I/O space (BAR 0). - * Make MPIC respond to PCI Mem space at specified address. - * (BAR 1). - */ - early_write_config_dword(hose, - 0, - PCI_DEVFN(0,0), - PCI_BASE_ADDRESS_0, - 0x00000000 | 0x1); - - early_write_config_dword(hose, - 0, - PCI_DEVFN(0,0), - PCI_BASE_ADDRESS_1, - (processor_mpic_base - - processor_pci_mem_start + - hose->mem_space.start) | 0x0); - - /* Map MPIC into virtual memory */ - OpenPIC_Addr = ioremap(processor_mpic_base, HAWK_MPIC_SIZE); - - return 0; -} - -/* - * Find the amount of RAM present. - * This assumes that PPCBug has initialized the memory controller (SMC) - * on the Falcon/HAWK correctly (i.e., it does no sanity checking). - * It also assumes that the memory base registers are set to configure the - * memory as contiguous starting with "RAM A BASE", "RAM B BASE", etc. - * however, RAM base registers can be skipped (e.g. A, B, C are set, - * D is skipped but E is set is okay). - */ -#define MB (1024*1024) - -static uint reg_offset_table[] __initdata = { - HAWK_SMC_RAM_A_SIZE_REG_OFF, - HAWK_SMC_RAM_B_SIZE_REG_OFF, - HAWK_SMC_RAM_C_SIZE_REG_OFF, - HAWK_SMC_RAM_D_SIZE_REG_OFF, - HAWK_SMC_RAM_E_SIZE_REG_OFF, - HAWK_SMC_RAM_F_SIZE_REG_OFF, - HAWK_SMC_RAM_G_SIZE_REG_OFF, - HAWK_SMC_RAM_H_SIZE_REG_OFF -}; - -static uint falcon_size_table[] __initdata = { - 0 * MB, /* 0 ==> 0 MB */ - 16 * MB, /* 1 ==> 16 MB */ - 32 * MB, /* 2 ==> 32 MB */ - 64 * MB, /* 3 ==> 64 MB */ - 128 * MB, /* 4 ==> 128 MB */ - 256 * MB, /* 5 ==> 256 MB */ - 1024 * MB, /* 6 ==> 1024 MB (1 GB) */ -}; - -static uint hawk_size_table[] __initdata = { - 0 * MB, /* 0 ==> 0 MB */ - 32 * MB, /* 1 ==> 32 MB */ - 64 * MB, /* 2 ==> 64 MB */ - 64 * MB, /* 3 ==> 64 MB */ - 128 * MB, /* 4 ==> 128 MB */ - 128 * MB, /* 5 ==> 128 MB */ - 128 * MB, /* 6 ==> 128 MB */ - 256 * MB, /* 7 ==> 256 MB */ - 256 * MB, /* 8 ==> 256 MB */ - 512 * MB, /* 9 ==> 512 MB */ -}; - -/* - * *** WARNING: You MUST have a BAT set up to map in the SMC regs *** - * - * Read the memory controller's registers to determine the amount of system - * memory. Assumes that the memory controller registers are already mapped - * into virtual memory--too early to use ioremap(). - */ -unsigned long __init -hawk_get_mem_size(uint smc_base) -{ - unsigned long total; - int i, size_table_entries, reg_limit; - uint vend_dev_id; - uint *size_table; - u_char val; - - - vend_dev_id = in_be32((uint *)smc_base + PCI_VENDOR_ID); - - if (((vend_dev_id & 0xffff0000) >> 16) != PCI_VENDOR_ID_MOTOROLA) { - printk("hawk_get_mem_size: %s (0x%x)\n", - "Not a Motorola Memory Controller", vend_dev_id); - return 0; - } - - vend_dev_id &= 0x0000ffff; - - if (vend_dev_id == PCI_DEVICE_ID_MOTOROLA_FALCON) { - size_table = falcon_size_table; - size_table_entries = sizeof(falcon_size_table) / - sizeof(falcon_size_table[0]); - - reg_limit = FALCON_SMC_REG_COUNT; - } - else if (vend_dev_id == PCI_DEVICE_ID_MOTOROLA_HAWK) { - size_table = hawk_size_table; - size_table_entries = sizeof(hawk_size_table) / - sizeof(hawk_size_table[0]); - reg_limit = HAWK_SMC_REG_COUNT; - } - else { - printk("hawk_get_mem_size: %s (0x%x)\n", - "Not a Falcon or HAWK", vend_dev_id); - return 0; - } - - total = 0; - - /* Check every reg because PPCBug may skip some */ - for (i=0; i