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Diffstat (limited to 'arch/ppc/syslib/ppc83xx_setup.c')
-rw-r--r--arch/ppc/syslib/ppc83xx_setup.c411
1 files changed, 0 insertions, 411 deletions
diff --git a/arch/ppc/syslib/ppc83xx_setup.c b/arch/ppc/syslib/ppc83xx_setup.c
deleted file mode 100644
index ec466db52114..000000000000
--- a/arch/ppc/syslib/ppc83xx_setup.c
+++ /dev/null
@@ -1,411 +0,0 @@
-/*
- * MPC83XX common board code
- *
- * Maintainer: Kumar Gala <galak@kernel.crashing.org>
- *
- * Copyright 2005 Freescale Semiconductor Inc.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Added PCI support -- Tony Li <tony.li@freescale.com>
- */
-
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/serial.h>
-#include <linux/tty.h> /* for linux/serial_core.h */
-#include <linux/serial_core.h>
-#include <linux/serial_8250.h>
-
-#include <asm/time.h>
-#include <asm/mpc83xx.h>
-#include <asm/mmu.h>
-#include <asm/ppc_sys.h>
-#include <asm/kgdb.h>
-#include <asm/delay.h>
-#include <asm/machdep.h>
-
-#include <syslib/ppc83xx_setup.h>
-#if defined(CONFIG_PCI)
-#include <asm/delay.h>
-#include <syslib/ppc83xx_pci.h>
-#endif
-
-phys_addr_t immrbar;
-
-/* Return the amount of memory */
-unsigned long __init
-mpc83xx_find_end_of_memory(void)
-{
- bd_t *binfo;
-
- binfo = (bd_t *) __res;
-
- return binfo->bi_memsize;
-}
-
-long __init
-mpc83xx_time_init(void)
-{
-#define SPCR_OFFS 0x00000110
-#define SPCR_TBEN 0x00400000
-
- bd_t *binfo = (bd_t *)__res;
- u32 *spcr = ioremap(binfo->bi_immr_base + SPCR_OFFS, 4);
-
- *spcr |= SPCR_TBEN;
-
- iounmap(spcr);
-
- return 0;
-}
-
-/* The decrementer counts at the system (internal) clock freq divided by 4 */
-void __init
-mpc83xx_calibrate_decr(void)
-{
- bd_t *binfo = (bd_t *) __res;
- unsigned int freq, divisor;
-
- freq = binfo->bi_busfreq;
- divisor = 4;
- tb_ticks_per_jiffy = freq / HZ / divisor;
- tb_to_us = mulhwu_scale_factor(freq / divisor, 1000000);
-}
-
-#ifdef CONFIG_SERIAL_8250
-void __init
-mpc83xx_early_serial_map(void)
-{
-#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
- struct uart_port serial_req;
-#endif
- struct plat_serial8250_port *pdata;
- bd_t *binfo = (bd_t *) __res;
- pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(MPC83xx_DUART);
-
- /* Setup serial port access */
- pdata[0].uartclk = binfo->bi_busfreq;
- pdata[0].mapbase += binfo->bi_immr_base;
- pdata[0].membase = ioremap(pdata[0].mapbase, 0x100);
-
-#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
- memset(&serial_req, 0, sizeof (serial_req));
- serial_req.iotype = UPIO_MEM;
- serial_req.mapbase = pdata[0].mapbase;
- serial_req.membase = pdata[0].membase;
- serial_req.regshift = 0;
-
- gen550_init(0, &serial_req);
-#endif
-
- pdata[1].uartclk = binfo->bi_busfreq;
- pdata[1].mapbase += binfo->bi_immr_base;
- pdata[1].membase = ioremap(pdata[1].mapbase, 0x100);
-
-#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
- /* Assume gen550_init() doesn't modify serial_req */
- serial_req.mapbase = pdata[1].mapbase;
- serial_req.membase = pdata[1].membase;
-
- gen550_init(1, &serial_req);
-#endif
-}
-#endif
-
-void
-mpc83xx_restart(char *cmd)
-{
- volatile unsigned char __iomem *reg;
- unsigned char tmp;
-
- reg = ioremap(BCSR_PHYS_ADDR, BCSR_SIZE);
-
- local_irq_disable();
-
- /*
- * Unlock the BCSR bits so a PRST will update the contents.
- * Otherwise the reset asserts but doesn't clear.
- */
- tmp = in_8(reg + BCSR_MISC_REG3_OFF);
- tmp |= BCSR_MISC_REG3_CNFLOCK; /* low true, high false */
- out_8(reg + BCSR_MISC_REG3_OFF, tmp);
-
- /*
- * Trigger a reset via a low->high transition of the
- * PORESET bit.
- */
- tmp = in_8(reg + BCSR_MISC_REG2_OFF);
- tmp &= ~BCSR_MISC_REG2_PORESET;
- out_8(reg + BCSR_MISC_REG2_OFF, tmp);
-
- udelay(1);
-
- tmp |= BCSR_MISC_REG2_PORESET;
- out_8(reg + BCSR_MISC_REG2_OFF, tmp);
-
- for(;;);
-}
-
-void
-mpc83xx_power_off(void)
-{
- local_irq_disable();
- for(;;);
-}
-
-void
-mpc83xx_halt(void)
-{
- local_irq_disable();
- for(;;);
-}
-
-#if defined(CONFIG_PCI)
-void __init
-mpc83xx_setup_pci1(struct pci_controller *hose)
-{
- u16 reg16;
- volatile immr_pcictrl_t * pci_ctrl;
- volatile immr_ios_t * ios;
- bd_t *binfo = (bd_t *) __res;
-
- pci_ctrl = ioremap(binfo->bi_immr_base + 0x8500, sizeof(immr_pcictrl_t));
- ios = ioremap(binfo->bi_immr_base + 0x8400, sizeof(immr_ios_t));
-
- /*
- * Configure PCI Outbound Translation Windows
- */
- ios->potar0 = (MPC83xx_PCI1_LOWER_MEM >> 12) & POTAR_TA_MASK;
- ios->pobar0 = (MPC83xx_PCI1_LOWER_MEM >> 12) & POBAR_BA_MASK;
- ios->pocmr0 = POCMR_EN |
- (((0xffffffff - (MPC83xx_PCI1_UPPER_MEM -
- MPC83xx_PCI1_LOWER_MEM)) >> 12) & POCMR_CM_MASK);
-
- /* mapped to PCI1 IO space */
- ios->potar1 = (MPC83xx_PCI1_LOWER_IO >> 12) & POTAR_TA_MASK;
- ios->pobar1 = (MPC83xx_PCI1_IO_BASE >> 12) & POBAR_BA_MASK;
- ios->pocmr1 = POCMR_EN | POCMR_IO |
- (((0xffffffff - (MPC83xx_PCI1_UPPER_IO -
- MPC83xx_PCI1_LOWER_IO)) >> 12) & POCMR_CM_MASK);
-
- /*
- * Configure PCI Inbound Translation Windows
- */
- pci_ctrl->pitar1 = 0x0;
- pci_ctrl->pibar1 = 0x0;
- pci_ctrl->piebar1 = 0x0;
- pci_ctrl->piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G;
-
- /*
- * Release PCI RST signal
- */
- pci_ctrl->gcr = 0;
- udelay(2000);
- pci_ctrl->gcr = 1;
- udelay(2000);
-
- reg16 = 0xff;
- early_read_config_word(hose, hose->first_busno, 0, PCI_COMMAND, &reg16);
- reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- early_write_config_word(hose, hose->first_busno, 0, PCI_COMMAND, reg16);
-
- /*
- * Clear non-reserved bits in status register.
- */
- early_write_config_word(hose, hose->first_busno, 0, PCI_STATUS, 0xffff);
- early_write_config_byte(hose, hose->first_busno, 0, PCI_LATENCY_TIMER, 0x80);
-
- iounmap(pci_ctrl);
- iounmap(ios);
-}
-
-void __init
-mpc83xx_setup_pci2(struct pci_controller *hose)
-{
- u16 reg16;
- volatile immr_pcictrl_t * pci_ctrl;
- volatile immr_ios_t * ios;
- bd_t *binfo = (bd_t *) __res;
-
- pci_ctrl = ioremap(binfo->bi_immr_base + 0x8600, sizeof(immr_pcictrl_t));
- ios = ioremap(binfo->bi_immr_base + 0x8400, sizeof(immr_ios_t));
-
- /*
- * Configure PCI Outbound Translation Windows
- */
- ios->potar3 = (MPC83xx_PCI2_LOWER_MEM >> 12) & POTAR_TA_MASK;
- ios->pobar3 = (MPC83xx_PCI2_LOWER_MEM >> 12) & POBAR_BA_MASK;
- ios->pocmr3 = POCMR_EN | POCMR_DST |
- (((0xffffffff - (MPC83xx_PCI2_UPPER_MEM -
- MPC83xx_PCI2_LOWER_MEM)) >> 12) & POCMR_CM_MASK);
-
- /* mapped to PCI2 IO space */
- ios->potar4 = (MPC83xx_PCI2_LOWER_IO >> 12) & POTAR_TA_MASK;
- ios->pobar4 = (MPC83xx_PCI2_IO_BASE >> 12) & POBAR_BA_MASK;
- ios->pocmr4 = POCMR_EN | POCMR_DST | POCMR_IO |
- (((0xffffffff - (MPC83xx_PCI2_UPPER_IO -
- MPC83xx_PCI2_LOWER_IO)) >> 12) & POCMR_CM_MASK);
-
- /*
- * Configure PCI Inbound Translation Windows
- */
- pci_ctrl->pitar1 = 0x0;
- pci_ctrl->pibar1 = 0x0;
- pci_ctrl->piebar1 = 0x0;
- pci_ctrl->piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G;
-
- /*
- * Release PCI RST signal
- */
- pci_ctrl->gcr = 0;
- udelay(2000);
- pci_ctrl->gcr = 1;
- udelay(2000);
-
- reg16 = 0xff;
- early_read_config_word(hose, hose->first_busno, 0, PCI_COMMAND, &reg16);
- reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- early_write_config_word(hose, hose->first_busno, 0, PCI_COMMAND, reg16);
-
- /*
- * Clear non-reserved bits in status register.
- */
- early_write_config_word(hose, hose->first_busno, 0, PCI_STATUS, 0xffff);
- early_write_config_byte(hose, hose->first_busno, 0, PCI_LATENCY_TIMER, 0x80);
-
- iounmap(pci_ctrl);
- iounmap(ios);
-}
-
-/*
- * PCI buses can be enabled only if SYS board combinates with PIB
- * (Platform IO Board) board which provide 3 PCI slots. There is 2 PCI buses
- * and 3 PCI slots, so people must configure the routes between them before
- * enable PCI bus. This routes are under the control of PCA9555PW device which
- * can be accessed via I2C bus 2 and are configured by firmware. Refer to
- * Freescale to get more information about firmware configuration.
- */
-
-extern int mpc83xx_exclude_device(u_char bus, u_char devfn);
-extern int mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel,
- unsigned char pin);
-void __init
-mpc83xx_setup_hose(void)
-{
- u32 val32;
- volatile immr_clk_t * clk;
- struct pci_controller * hose1;
-#ifdef CONFIG_MPC83xx_PCI2
- struct pci_controller * hose2;
-#endif
- bd_t * binfo = (bd_t *)__res;
-
- clk = ioremap(binfo->bi_immr_base + 0xA00,
- sizeof(immr_clk_t));
-
- /*
- * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode
- */
- val32 = clk->occr;
- udelay(2000);
- clk->occr = 0xff000000;
- udelay(2000);
-
- iounmap(clk);
-
- hose1 = pcibios_alloc_controller();
- if(!hose1)
- return;
-
- ppc_md.pci_swizzle = common_swizzle;
- ppc_md.pci_map_irq = mpc83xx_map_irq;
-
- hose1->bus_offset = 0;
- hose1->first_busno = 0;
- hose1->last_busno = 0xff;
-
- setup_indirect_pci(hose1, binfo->bi_immr_base + PCI1_CFG_ADDR_OFFSET,
- binfo->bi_immr_base + PCI1_CFG_DATA_OFFSET);
- hose1->set_cfg_type = 1;
-
- mpc83xx_setup_pci1(hose1);
-
- hose1->pci_mem_offset = MPC83xx_PCI1_MEM_OFFSET;
- hose1->mem_space.start = MPC83xx_PCI1_LOWER_MEM;
- hose1->mem_space.end = MPC83xx_PCI1_UPPER_MEM;
-
- hose1->io_base_phys = MPC83xx_PCI1_IO_BASE;
- hose1->io_space.start = MPC83xx_PCI1_LOWER_IO;
- hose1->io_space.end = MPC83xx_PCI1_UPPER_IO;
-#ifdef CONFIG_MPC83xx_PCI2
- isa_io_base = (unsigned long)ioremap(MPC83xx_PCI1_IO_BASE,
- MPC83xx_PCI1_IO_SIZE + MPC83xx_PCI2_IO_SIZE);
-#else
- isa_io_base = (unsigned long)ioremap(MPC83xx_PCI1_IO_BASE,
- MPC83xx_PCI1_IO_SIZE);
-#endif /* CONFIG_MPC83xx_PCI2 */
- hose1->io_base_virt = (void *)isa_io_base;
- /* setup resources */
- pci_init_resource(&hose1->io_resource,
- MPC83xx_PCI1_LOWER_IO,
- MPC83xx_PCI1_UPPER_IO,
- IORESOURCE_IO, "PCI host bridge 1");
- pci_init_resource(&hose1->mem_resources[0],
- MPC83xx_PCI1_LOWER_MEM,
- MPC83xx_PCI1_UPPER_MEM,
- IORESOURCE_MEM, "PCI host bridge 1");
-
- ppc_md.pci_exclude_device = mpc83xx_exclude_device;
- hose1->last_busno = pciauto_bus_scan(hose1, hose1->first_busno);
-
-#ifdef CONFIG_MPC83xx_PCI2
- hose2 = pcibios_alloc_controller();
- if(!hose2)
- return;
-
- hose2->bus_offset = hose1->last_busno + 1;
- hose2->first_busno = hose1->last_busno + 1;
- hose2->last_busno = 0xff;
- setup_indirect_pci(hose2, binfo->bi_immr_base + PCI2_CFG_ADDR_OFFSET,
- binfo->bi_immr_base + PCI2_CFG_DATA_OFFSET);
- hose2->set_cfg_type = 1;
-
- mpc83xx_setup_pci2(hose2);
-
- hose2->pci_mem_offset = MPC83xx_PCI2_MEM_OFFSET;
- hose2->mem_space.start = MPC83xx_PCI2_LOWER_MEM;
- hose2->mem_space.end = MPC83xx_PCI2_UPPER_MEM;
-
- hose2->io_base_phys = MPC83xx_PCI2_IO_BASE;
- hose2->io_space.start = MPC83xx_PCI2_LOWER_IO;
- hose2->io_space.end = MPC83xx_PCI2_UPPER_IO;
- hose2->io_base_virt = (void *)(isa_io_base + MPC83xx_PCI1_IO_SIZE);
- /* setup resources */
- pci_init_resource(&hose2->io_resource,
- MPC83xx_PCI2_LOWER_IO,
- MPC83xx_PCI2_UPPER_IO,
- IORESOURCE_IO, "PCI host bridge 2");
- pci_init_resource(&hose2->mem_resources[0],
- MPC83xx_PCI2_LOWER_MEM,
- MPC83xx_PCI2_UPPER_MEM,
- IORESOURCE_MEM, "PCI host bridge 2");
-
- hose2->last_busno = pciauto_bus_scan(hose2, hose2->first_busno);
-#endif /* CONFIG_MPC83xx_PCI2 */
-}
-#endif /*CONFIG_PCI*/
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