[POWERPC] mpc82xx: Rename mpc82xx_ads to mpc8272_ads.
authorScott Wood <scottwood@freescale.com>
Thu, 26 Jul 2007 18:51:42 +0000 (13:51 -0500)
committerKumar Gala <galak@kernel.crashing.org>
Thu, 4 Oct 2007 16:02:27 +0000 (11:02 -0500)
This is just a rename patch; internal references to mpc82xx_ads will be
changed in the next one.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
arch/powerpc/platforms/82xx/Kconfig
arch/powerpc/platforms/82xx/Makefile
arch/powerpc/platforms/82xx/mpc8272_ads.c [new file with mode: 0644]
arch/powerpc/platforms/82xx/mpc82xx_ads.c [deleted file]

index 89fde43895c505c678304707c7ded6b579322db9..f260c014ff2a262524b428082f5813746ca4fe4b 100644 (file)
@@ -1,17 +1,17 @@
 choice
        prompt "82xx Board Type"
        depends on PPC_82xx
-       default MPC82xx_ADS
+       default MPC8272_ADS
 
-config MPC82xx_ADS
-       bool "Freescale MPC82xx ADS"
+config MPC8272_ADS
+       bool "Freescale MPC8272 ADS"
        select DEFAULT_UIMAGE
        select PQ2ADS
        select 8272
        select 8260
        select FSL_SOC
        help
-       This option enables support for the MPC8272 ADS board
+         This option enables support for the MPC8272 ADS board
 
 endchoice
 
index 534c35375b731bce31fdbff2cb3313719fabc46d..9b7c851ce6f16daeabb2565c3dfe0019d0ef2f15 100644 (file)
@@ -1,4 +1,4 @@
 #
 # Makefile for the PowerPC 82xx linux kernel.
 #
-obj-$(CONFIG_MPC82xx_ADS) += mpc82xx_ads.o
+obj-$(CONFIG_MPC8272_ADS) += mpc8272_ads.o
diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c
new file mode 100644 (file)
index 0000000..5f538d5
--- /dev/null
@@ -0,0 +1,624 @@
+/*
+ * MPC82xx_ads setup and early boot code plus other random bits.
+ *
+ * Author: Vitaly Bordug <vbordug@ru.mvista.com>
+ * m82xx_restart fix by Wade Farnsworth <wfarnsworth@mvista.com>
+ *
+ * Copyright (c) 2006 MontaVista Software, 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.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+#include <linux/initrd.h>
+#include <linux/module.h>
+#include <linux/fsl_devices.h>
+#include <linux/fs_uart_pd.h>
+
+#include <asm/system.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/mpc8260.h>
+#include <asm/irq.h>
+#include <mm/mmu_decl.h>
+#include <asm/prom.h>
+#include <asm/cpm2.h>
+#include <asm/udbg.h>
+#include <asm/i8259.h>
+#include <linux/fs_enet_pd.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/cpm2_pic.h>
+
+#include "pq2ads.h"
+
+#ifdef CONFIG_PCI
+static uint pci_clk_frq;
+static struct {
+       unsigned long *pci_int_stat_reg;
+       unsigned long *pci_int_mask_reg;
+} pci_regs;
+
+static unsigned long pci_int_base;
+static struct irq_host *pci_pic_host;
+#endif
+
+static void __init mpc82xx_ads_pic_init(void)
+{
+       struct device_node *np = of_find_compatible_node(NULL, "cpm-pic", "CPM2");
+       struct resource r;
+       cpm2_map_t *cpm_reg;
+
+       if (np == NULL) {
+               printk(KERN_ERR "PIC init: can not find cpm-pic node\n");
+               return;
+       }
+       if (of_address_to_resource(np, 0, &r)) {
+               printk(KERN_ERR "PIC init: invalid resource\n");
+               of_node_put(np);
+               return;
+       }
+       cpm2_pic_init(np);
+       of_node_put(np);
+
+       /* Initialize the default interrupt mapping priorities,
+        * in case the boot rom changed something on us.
+        */
+       cpm_reg = (cpm2_map_t *) ioremap(get_immrbase(), sizeof(cpm2_map_t));
+       cpm_reg->im_intctl.ic_siprr = 0x05309770;
+       iounmap(cpm_reg);
+#ifdef CONFIG_PCI
+       /* Initialize stuff for the 82xx CPLD IC and install demux  */
+       m82xx_pci_init_irq();
+#endif
+}
+
+static void init_fcc1_ioports(struct fs_platform_info *fpi)
+{
+       struct io_port *io;
+       u32 tempval;
+       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
+       struct device_node *np;
+       struct resource r;
+       u32 *bcsr;
+
+       np = of_find_node_by_type(NULL, "memory");
+       if (!np) {
+               printk(KERN_INFO "No memory node in device tree\n");
+               return;
+       }
+       if (of_address_to_resource(np, 1, &r)) {
+               printk(KERN_INFO "No memory reg property [1] in devicetree\n");
+               return;
+       }
+       of_node_put(np);
+       bcsr = ioremap(r.start + 4, sizeof(u32));
+       io = &immap->im_ioport;
+
+       /* Enable the PHY */
+       clrbits32(bcsr, BCSR1_FETHIEN);
+       setbits32(bcsr, BCSR1_FETH_RST);
+
+       /* FCC1 pins are on port A/C. */
+       /* Configure port A and C pins for FCC1 Ethernet. */
+
+       tempval = in_be32(&io->iop_pdira);
+       tempval &= ~PA1_DIRA0;
+       tempval |= PA1_DIRA1;
+       out_be32(&io->iop_pdira, tempval);
+
+       tempval = in_be32(&io->iop_psora);
+       tempval &= ~PA1_PSORA0;
+       tempval |= PA1_PSORA1;
+       out_be32(&io->iop_psora, tempval);
+
+       setbits32(&io->iop_ppara, PA1_DIRA0 | PA1_DIRA1);
+
+       /* Alter clocks */
+       tempval = PC_CLK(fpi->clk_tx - 8) | PC_CLK(fpi->clk_rx - 8);
+
+       clrbits32(&io->iop_psorc, tempval);
+       clrbits32(&io->iop_pdirc, tempval);
+       setbits32(&io->iop_pparc, tempval);
+
+       cpm2_clk_setup(CPM_CLK_FCC1, fpi->clk_rx, CPM_CLK_RX);
+       cpm2_clk_setup(CPM_CLK_FCC1, fpi->clk_tx, CPM_CLK_TX);
+
+       iounmap(bcsr);
+       iounmap(immap);
+}
+
+static void init_fcc2_ioports(struct fs_platform_info *fpi)
+{
+       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
+       struct device_node *np;
+       struct resource r;
+       u32 *bcsr;
+
+       struct io_port *io;
+       u32 tempval;
+
+       np = of_find_node_by_type(NULL, "memory");
+       if (!np) {
+               printk(KERN_INFO "No memory node in device tree\n");
+               return;
+       }
+       if (of_address_to_resource(np, 1, &r)) {
+               printk(KERN_INFO "No memory reg property [1] in devicetree\n");
+               return;
+       }
+       of_node_put(np);
+       io = &immap->im_ioport;
+       bcsr = ioremap(r.start + 12, sizeof(u32));
+
+       /* Enable the PHY */
+       clrbits32(bcsr, BCSR3_FETHIEN2);
+       setbits32(bcsr, BCSR3_FETH2_RST);
+
+       /* FCC2 are port B/C. */
+       /* Configure port A and C pins for FCC2 Ethernet. */
+
+       tempval = in_be32(&io->iop_pdirb);
+       tempval &= ~PB2_DIRB0;
+       tempval |= PB2_DIRB1;
+       out_be32(&io->iop_pdirb, tempval);
+
+       tempval = in_be32(&io->iop_psorb);
+       tempval &= ~PB2_PSORB0;
+       tempval |= PB2_PSORB1;
+       out_be32(&io->iop_psorb, tempval);
+
+       setbits32(&io->iop_pparb, PB2_DIRB0 | PB2_DIRB1);
+
+       tempval = PC_CLK(fpi->clk_tx - 8) | PC_CLK(fpi->clk_rx - 8);
+
+       /* Alter clocks */
+       clrbits32(&io->iop_psorc, tempval);
+       clrbits32(&io->iop_pdirc, tempval);
+       setbits32(&io->iop_pparc, tempval);
+
+       cpm2_clk_setup(CPM_CLK_FCC2, fpi->clk_rx, CPM_CLK_RX);
+       cpm2_clk_setup(CPM_CLK_FCC2, fpi->clk_tx, CPM_CLK_TX);
+
+       iounmap(bcsr);
+       iounmap(immap);
+}
+
+void init_fcc_ioports(struct fs_platform_info *fpi)
+{
+       int fcc_no = fs_get_fcc_index(fpi->fs_no);
+
+       switch (fcc_no) {
+       case 0:
+               init_fcc1_ioports(fpi);
+               break;
+       case 1:
+               init_fcc2_ioports(fpi);
+               break;
+       default:
+               printk(KERN_ERR "init_fcc_ioports: invalid FCC number\n");
+               return;
+       }
+}
+
+static void init_scc1_uart_ioports(struct fs_uart_platform_info *data)
+{
+       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
+
+       /* SCC1 is only on port D */
+       setbits32(&immap->im_ioport.iop_ppard, 0x00000003);
+       clrbits32(&immap->im_ioport.iop_psord, 0x00000001);
+       setbits32(&immap->im_ioport.iop_psord, 0x00000002);
+       clrbits32(&immap->im_ioport.iop_pdird, 0x00000001);
+       setbits32(&immap->im_ioport.iop_pdird, 0x00000002);
+
+       clrbits32(&immap->im_cpmux.cmx_scr, (0x00000007 << (4 - data->clk_tx)));
+       clrbits32(&immap->im_cpmux.cmx_scr, (0x00000038 << (4 - data->clk_rx)));
+       setbits32(&immap->im_cpmux.cmx_scr,
+                 ((data->clk_tx - 1) << (4 - data->clk_tx)));
+       setbits32(&immap->im_cpmux.cmx_scr,
+                 ((data->clk_rx - 1) << (4 - data->clk_rx)));
+
+       iounmap(immap);
+}
+
+static void init_scc4_uart_ioports(struct fs_uart_platform_info *data)
+{
+       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
+
+       setbits32(&immap->im_ioport.iop_ppard, 0x00000600);
+       clrbits32(&immap->im_ioport.iop_psord, 0x00000600);
+       clrbits32(&immap->im_ioport.iop_pdird, 0x00000200);
+       setbits32(&immap->im_ioport.iop_pdird, 0x00000400);
+
+       clrbits32(&immap->im_cpmux.cmx_scr, (0x00000007 << (4 - data->clk_tx)));
+       clrbits32(&immap->im_cpmux.cmx_scr, (0x00000038 << (4 - data->clk_rx)));
+       setbits32(&immap->im_cpmux.cmx_scr,
+                 ((data->clk_tx - 1) << (4 - data->clk_tx)));
+       setbits32(&immap->im_cpmux.cmx_scr,
+                 ((data->clk_rx - 1) << (4 - data->clk_rx)));
+
+       iounmap(immap);
+}
+
+void init_scc_ioports(struct fs_uart_platform_info *data)
+{
+       int scc_no = fs_get_scc_index(data->fs_no);
+
+       switch (scc_no) {
+       case 0:
+               init_scc1_uart_ioports(data);
+               data->brg = data->clk_rx;
+               break;
+       case 3:
+               init_scc4_uart_ioports(data);
+               data->brg = data->clk_rx;
+               break;
+       default:
+               printk(KERN_ERR "init_scc_ioports: invalid SCC number\n");
+               return;
+       }
+}
+
+void __init m82xx_board_setup(void)
+{
+       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
+       struct device_node *np;
+       struct resource r;
+       u32 *bcsr;
+
+       np = of_find_node_by_type(NULL, "memory");
+       if (!np) {
+               printk(KERN_INFO "No memory node in device tree\n");
+               return;
+       }
+       if (of_address_to_resource(np, 1, &r)) {
+               printk(KERN_INFO "No memory reg property [1] in devicetree\n");
+               return;
+       }
+       of_node_put(np);
+       bcsr = ioremap(r.start + 4, sizeof(u32));
+       /* Enable the 2nd UART port */
+       clrbits32(bcsr, BCSR1_RS232_EN2);
+
+#ifdef CONFIG_SERIAL_CPM_SCC1
+       clrbits32((u32 *) & immap->im_scc[0].scc_sccm,
+                 UART_SCCM_TX | UART_SCCM_RX);
+       clrbits32((u32 *) & immap->im_scc[0].scc_gsmrl,
+                 SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SCC2
+       clrbits32((u32 *) & immap->im_scc[1].scc_sccm,
+                 UART_SCCM_TX | UART_SCCM_RX);
+       clrbits32((u32 *) & immap->im_scc[1].scc_gsmrl,
+                 SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SCC3
+       clrbits32((u32 *) & immap->im_scc[2].scc_sccm,
+                 UART_SCCM_TX | UART_SCCM_RX);
+       clrbits32((u32 *) & immap->im_scc[2].scc_gsmrl,
+                 SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SCC4
+       clrbits32((u32 *) & immap->im_scc[3].scc_sccm,
+                 UART_SCCM_TX | UART_SCCM_RX);
+       clrbits32((u32 *) & immap->im_scc[3].scc_gsmrl,
+                 SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+
+       iounmap(bcsr);
+       iounmap(immap);
+}
+
+#ifdef CONFIG_PCI
+static void m82xx_pci_mask_irq(unsigned int irq)
+{
+       int bit = irq - pci_int_base;
+
+       *pci_regs.pci_int_mask_reg |= (1 << (31 - bit));
+       return;
+}
+
+static void m82xx_pci_unmask_irq(unsigned int irq)
+{
+       int bit = irq - pci_int_base;
+
+       *pci_regs.pci_int_mask_reg &= ~(1 << (31 - bit));
+       return;
+}
+
+static void m82xx_pci_mask_and_ack(unsigned int irq)
+{
+       int bit = irq - pci_int_base;
+
+       *pci_regs.pci_int_mask_reg |= (1 << (31 - bit));
+       return;
+}
+
+static void m82xx_pci_end_irq(unsigned int irq)
+{
+       int bit = irq - pci_int_base;
+
+       *pci_regs.pci_int_mask_reg &= ~(1 << (31 - bit));
+       return;
+}
+
+struct hw_interrupt_type m82xx_pci_ic = {
+       .typename = "MPC82xx ADS PCI",
+       .name = "MPC82xx ADS PCI",
+       .enable = m82xx_pci_unmask_irq,
+       .disable = m82xx_pci_mask_irq,
+       .ack = m82xx_pci_mask_and_ack,
+       .end = m82xx_pci_end_irq,
+       .mask = m82xx_pci_mask_irq,
+       .mask_ack = m82xx_pci_mask_and_ack,
+       .unmask = m82xx_pci_unmask_irq,
+       .eoi = m82xx_pci_end_irq,
+};
+
+static void
+m82xx_pci_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+       unsigned long stat, mask, pend;
+       int bit;
+
+       for (;;) {
+               stat = *pci_regs.pci_int_stat_reg;
+               mask = *pci_regs.pci_int_mask_reg;
+               pend = stat & ~mask & 0xf0000000;
+               if (!pend)
+                       break;
+               for (bit = 0; pend != 0; ++bit, pend <<= 1) {
+                       if (pend & 0x80000000)
+                               __do_IRQ(pci_int_base + bit);
+               }
+       }
+}
+
+static int pci_pic_host_map(struct irq_host *h, unsigned int virq,
+                           irq_hw_number_t hw)
+{
+       get_irq_desc(virq)->status |= IRQ_LEVEL;
+       set_irq_chip(virq, &m82xx_pci_ic);
+       return 0;
+}
+
+static void pci_host_unmap(struct irq_host *h, unsigned int virq)
+{
+       /* remove chip and handler */
+       set_irq_chip(virq, NULL);
+}
+
+static struct irq_host_ops pci_pic_host_ops = {
+       .map = pci_pic_host_map,
+       .unmap = pci_host_unmap,
+};
+
+void m82xx_pci_init_irq(void)
+{
+       int irq;
+       cpm2_map_t *immap;
+       struct device_node *np;
+       struct resource r;
+       const u32 *regs;
+       unsigned int size;
+       const u32 *irq_map;
+       int i;
+       unsigned int irq_max, irq_min;
+
+       if ((np = of_find_node_by_type(NULL, "soc")) == NULL) {
+               printk(KERN_INFO "No SOC node in device tree\n");
+               return;
+       }
+       memset(&r, 0, sizeof(r));
+       if (of_address_to_resource(np, 0, &r)) {
+               printk(KERN_INFO "No SOC reg property in device tree\n");
+               return;
+       }
+       immap = ioremap(r.start, sizeof(*immap));
+       of_node_put(np);
+
+       /* install the demultiplexer for the PCI cascade interrupt */
+       np = of_find_node_by_type(NULL, "pci");
+       if (!np) {
+               printk(KERN_INFO "No pci node on device tree\n");
+               iounmap(immap);
+               return;
+       }
+       irq_map = of_get_property(np, "interrupt-map", &size);
+       if ((!irq_map) || (size <= 7)) {
+               printk(KERN_INFO "No interrupt-map property of pci node\n");
+               iounmap(immap);
+               return;
+       }
+       size /= sizeof(irq_map[0]);
+       for (i = 0, irq_max = 0, irq_min = 512; i < size; i += 7, irq_map += 7) {
+               if (irq_map[5] < irq_min)
+                       irq_min = irq_map[5];
+               if (irq_map[5] > irq_max)
+                       irq_max = irq_map[5];
+       }
+       pci_int_base = irq_min;
+       irq = irq_of_parse_and_map(np, 0);
+       set_irq_chained_handler(irq, m82xx_pci_irq_demux);
+       of_node_put(np);
+       np = of_find_node_by_type(NULL, "pci-pic");
+       if (!np) {
+               printk(KERN_INFO "No pci pic node on device tree\n");
+               iounmap(immap);
+               return;
+       }
+       /* PCI interrupt controller registers: status and mask */
+       regs = of_get_property(np, "reg", &size);
+       if ((!regs) || (size <= 2)) {
+               printk(KERN_INFO "No reg property in pci pic node\n");
+               iounmap(immap);
+               return;
+       }
+       pci_regs.pci_int_stat_reg =
+           ioremap(regs[0], sizeof(*pci_regs.pci_int_stat_reg));
+       pci_regs.pci_int_mask_reg =
+           ioremap(regs[1], sizeof(*pci_regs.pci_int_mask_reg));
+       /* configure chip select for PCI interrupt controller */
+       immap->im_memctl.memc_br3 = regs[0] | 0x00001801;
+       immap->im_memctl.memc_or3 = 0xffff8010;
+       /* make PCI IRQ level sensitive */
+       immap->im_intctl.ic_siexr &= ~(1 << (14 - (irq - SIU_INT_IRQ1)));
+
+       /* mask all PCI interrupts */
+       *pci_regs.pci_int_mask_reg |= 0xfff00000;
+       iounmap(immap);
+       pci_pic_host =
+           irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, irq_max - irq_min + 1,
+                          &pci_pic_host_ops, irq_max + 1);
+       return;
+}
+
+static int m82xx_pci_exclude_device(struct pci_controller *hose,
+                                   u_char bus, u_char devfn)
+{
+       if (bus == 0 && PCI_SLOT(devfn) == 0)
+               return PCIBIOS_DEVICE_NOT_FOUND;
+       else
+               return PCIBIOS_SUCCESSFUL;
+}
+
+static void __init mpc82xx_add_bridge(struct device_node *np)
+{
+       int len;
+       struct pci_controller *hose;
+       struct resource r;
+       const int *bus_range;
+       const uint *ptr;
+
+       memset(&r, 0, sizeof(r));
+       if (of_address_to_resource(np, 0, &r)) {
+               printk(KERN_INFO "No PCI reg property in device tree\n");
+               return;
+       }
+       if (!(ptr = of_get_property(np, "clock-frequency", NULL))) {
+               printk(KERN_INFO "No clock-frequency property in PCI node");
+               return;
+       }
+       pci_clk_frq = *ptr;
+       of_node_put(np);
+       bus_range = of_get_property(np, "bus-range", &len);
+       if (bus_range == NULL || len < 2 * sizeof(int)) {
+               printk(KERN_WARNING "Can't get bus-range for %s, assume"
+                      " bus 0\n", np->full_name);
+       }
+
+       pci_assign_all_buses = 1;
+
+       hose = pcibios_alloc_controller(np);
+
+       if (!hose)
+               return;
+
+       hose->first_busno = bus_range ? bus_range[0] : 0;
+       hose->last_busno = bus_range ? bus_range[1] : 0xff;
+
+       setup_indirect_pci(hose,
+                          r.start + offsetof(pci_cpm2_t, pci_cfg_addr),
+                          r.start + offsetof(pci_cpm2_t, pci_cfg_data),
+                          0);
+
+       pci_process_bridge_OF_ranges(hose, np, 1);
+}
+#endif
+
+/*
+ * Setup the architecture
+ */
+static void __init mpc82xx_ads_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+       struct device_node *np;
+#endif
+
+       if (ppc_md.progress)
+               ppc_md.progress("mpc82xx_ads_setup_arch()", 0);
+       cpm2_reset();
+
+       /* Map I/O region to a 256MB BAT */
+
+       m82xx_board_setup();
+
+#ifdef CONFIG_PCI
+       ppc_md.pci_exclude_device = m82xx_pci_exclude_device;
+       for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
+               mpc82xx_add_bridge(np);
+
+       of_node_put(np);
+#endif
+
+#ifdef  CONFIG_ROOT_NFS
+       ROOT_DEV = Root_NFS;
+#else
+       ROOT_DEV = Root_HDA1;
+#endif
+
+       if (ppc_md.progress)
+               ppc_md.progress("mpc82xx_ads_setup_arch(), finish", 0);
+}
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init mpc82xx_ads_probe(void)
+{
+       /* We always match for now, eventually we should look at
+        * the flat dev tree to ensure this is the board we are
+        * supposed to run on
+        */
+       return 1;
+}
+
+#define RMR_CSRE 0x00000001
+static void m82xx_restart(char *cmd)
+{
+       __volatile__ unsigned char dummy;
+
+       local_irq_disable();
+       ((cpm2_map_t *) cpm2_immr)->im_clkrst.car_rmr |= RMR_CSRE;
+
+       /* Clear the ME,EE,IR & DR bits in MSR to cause checkstop */
+       mtmsr(mfmsr() & ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR));
+       dummy = ((cpm2_map_t *) cpm2_immr)->im_clkrst.res[0];
+       printk("Restart failed\n");
+       while (1) ;
+}
+
+define_machine(mpc82xx_ads)
+{
+       .name = "MPC82xx ADS",
+       .probe = mpc82xx_ads_probe,
+       .setup_arch =    mpc82xx_ads_setup_arch,
+       .init_IRQ =    mpc82xx_ads_pic_init,
+       .get_irq =    cpm2_get_irq,
+       .calibrate_decr = generic_calibrate_decr,
+       .restart = m82xx_restart,
+};
diff --git a/arch/powerpc/platforms/82xx/mpc82xx_ads.c b/arch/powerpc/platforms/82xx/mpc82xx_ads.c
deleted file mode 100644 (file)
index 5f538d5..0000000
+++ /dev/null
@@ -1,624 +0,0 @@
-/*
- * MPC82xx_ads setup and early boot code plus other random bits.
- *
- * Author: Vitaly Bordug <vbordug@ru.mvista.com>
- * m82xx_restart fix by Wade Farnsworth <wfarnsworth@mvista.com>
- *
- * Copyright (c) 2006 MontaVista Software, 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.
- */
-
-#include <linux/stddef.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/reboot.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/kdev_t.h>
-#include <linux/major.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/seq_file.h>
-#include <linux/root_dev.h>
-#include <linux/initrd.h>
-#include <linux/module.h>
-#include <linux/fsl_devices.h>
-#include <linux/fs_uart_pd.h>
-
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/atomic.h>
-#include <asm/time.h>
-#include <asm/io.h>
-#include <asm/machdep.h>
-#include <asm/pci-bridge.h>
-#include <asm/mpc8260.h>
-#include <asm/irq.h>
-#include <mm/mmu_decl.h>
-#include <asm/prom.h>
-#include <asm/cpm2.h>
-#include <asm/udbg.h>
-#include <asm/i8259.h>
-#include <linux/fs_enet_pd.h>
-
-#include <sysdev/fsl_soc.h>
-#include <sysdev/cpm2_pic.h>
-
-#include "pq2ads.h"
-
-#ifdef CONFIG_PCI
-static uint pci_clk_frq;
-static struct {
-       unsigned long *pci_int_stat_reg;
-       unsigned long *pci_int_mask_reg;
-} pci_regs;
-
-static unsigned long pci_int_base;
-static struct irq_host *pci_pic_host;
-#endif
-
-static void __init mpc82xx_ads_pic_init(void)
-{
-       struct device_node *np = of_find_compatible_node(NULL, "cpm-pic", "CPM2");
-       struct resource r;
-       cpm2_map_t *cpm_reg;
-
-       if (np == NULL) {
-               printk(KERN_ERR "PIC init: can not find cpm-pic node\n");
-               return;
-       }
-       if (of_address_to_resource(np, 0, &r)) {
-               printk(KERN_ERR "PIC init: invalid resource\n");
-               of_node_put(np);
-               return;
-       }
-       cpm2_pic_init(np);
-       of_node_put(np);
-
-       /* Initialize the default interrupt mapping priorities,
-        * in case the boot rom changed something on us.
-        */
-       cpm_reg = (cpm2_map_t *) ioremap(get_immrbase(), sizeof(cpm2_map_t));
-       cpm_reg->im_intctl.ic_siprr = 0x05309770;
-       iounmap(cpm_reg);
-#ifdef CONFIG_PCI
-       /* Initialize stuff for the 82xx CPLD IC and install demux  */
-       m82xx_pci_init_irq();
-#endif
-}
-
-static void init_fcc1_ioports(struct fs_platform_info *fpi)
-{
-       struct io_port *io;
-       u32 tempval;
-       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
-       struct device_node *np;
-       struct resource r;
-       u32 *bcsr;
-
-       np = of_find_node_by_type(NULL, "memory");
-       if (!np) {
-               printk(KERN_INFO "No memory node in device tree\n");
-               return;
-       }
-       if (of_address_to_resource(np, 1, &r)) {
-               printk(KERN_INFO "No memory reg property [1] in devicetree\n");
-               return;
-       }
-       of_node_put(np);
-       bcsr = ioremap(r.start + 4, sizeof(u32));
-       io = &immap->im_ioport;
-
-       /* Enable the PHY */
-       clrbits32(bcsr, BCSR1_FETHIEN);
-       setbits32(bcsr, BCSR1_FETH_RST);
-
-       /* FCC1 pins are on port A/C. */
-       /* Configure port A and C pins for FCC1 Ethernet. */
-
-       tempval = in_be32(&io->iop_pdira);
-       tempval &= ~PA1_DIRA0;
-       tempval |= PA1_DIRA1;
-       out_be32(&io->iop_pdira, tempval);
-
-       tempval = in_be32(&io->iop_psora);
-       tempval &= ~PA1_PSORA0;
-       tempval |= PA1_PSORA1;
-       out_be32(&io->iop_psora, tempval);
-
-       setbits32(&io->iop_ppara, PA1_DIRA0 | PA1_DIRA1);
-
-       /* Alter clocks */
-       tempval = PC_CLK(fpi->clk_tx - 8) | PC_CLK(fpi->clk_rx - 8);
-
-       clrbits32(&io->iop_psorc, tempval);
-       clrbits32(&io->iop_pdirc, tempval);
-       setbits32(&io->iop_pparc, tempval);
-
-       cpm2_clk_setup(CPM_CLK_FCC1, fpi->clk_rx, CPM_CLK_RX);
-       cpm2_clk_setup(CPM_CLK_FCC1, fpi->clk_tx, CPM_CLK_TX);
-
-       iounmap(bcsr);
-       iounmap(immap);
-}
-
-static void init_fcc2_ioports(struct fs_platform_info *fpi)
-{
-       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
-       struct device_node *np;
-       struct resource r;
-       u32 *bcsr;
-
-       struct io_port *io;
-       u32 tempval;
-
-       np = of_find_node_by_type(NULL, "memory");
-       if (!np) {
-               printk(KERN_INFO "No memory node in device tree\n");
-               return;
-       }
-       if (of_address_to_resource(np, 1, &r)) {
-               printk(KERN_INFO "No memory reg property [1] in devicetree\n");
-               return;
-       }
-       of_node_put(np);
-       io = &immap->im_ioport;
-       bcsr = ioremap(r.start + 12, sizeof(u32));
-
-       /* Enable the PHY */
-       clrbits32(bcsr, BCSR3_FETHIEN2);
-       setbits32(bcsr, BCSR3_FETH2_RST);
-
-       /* FCC2 are port B/C. */
-       /* Configure port A and C pins for FCC2 Ethernet. */
-
-       tempval = in_be32(&io->iop_pdirb);
-       tempval &= ~PB2_DIRB0;
-       tempval |= PB2_DIRB1;
-       out_be32(&io->iop_pdirb, tempval);
-
-       tempval = in_be32(&io->iop_psorb);
-       tempval &= ~PB2_PSORB0;
-       tempval |= PB2_PSORB1;
-       out_be32(&io->iop_psorb, tempval);
-
-       setbits32(&io->iop_pparb, PB2_DIRB0 | PB2_DIRB1);
-
-       tempval = PC_CLK(fpi->clk_tx - 8) | PC_CLK(fpi->clk_rx - 8);
-
-       /* Alter clocks */
-       clrbits32(&io->iop_psorc, tempval);
-       clrbits32(&io->iop_pdirc, tempval);
-       setbits32(&io->iop_pparc, tempval);
-
-       cpm2_clk_setup(CPM_CLK_FCC2, fpi->clk_rx, CPM_CLK_RX);
-       cpm2_clk_setup(CPM_CLK_FCC2, fpi->clk_tx, CPM_CLK_TX);
-
-       iounmap(bcsr);
-       iounmap(immap);
-}
-
-void init_fcc_ioports(struct fs_platform_info *fpi)
-{
-       int fcc_no = fs_get_fcc_index(fpi->fs_no);
-
-       switch (fcc_no) {
-       case 0:
-               init_fcc1_ioports(fpi);
-               break;
-       case 1:
-               init_fcc2_ioports(fpi);
-               break;
-       default:
-               printk(KERN_ERR "init_fcc_ioports: invalid FCC number\n");
-               return;
-       }
-}
-
-static void init_scc1_uart_ioports(struct fs_uart_platform_info *data)
-{
-       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
-
-       /* SCC1 is only on port D */
-       setbits32(&immap->im_ioport.iop_ppard, 0x00000003);
-       clrbits32(&immap->im_ioport.iop_psord, 0x00000001);
-       setbits32(&immap->im_ioport.iop_psord, 0x00000002);
-       clrbits32(&immap->im_ioport.iop_pdird, 0x00000001);
-       setbits32(&immap->im_ioport.iop_pdird, 0x00000002);
-
-       clrbits32(&immap->im_cpmux.cmx_scr, (0x00000007 << (4 - data->clk_tx)));
-       clrbits32(&immap->im_cpmux.cmx_scr, (0x00000038 << (4 - data->clk_rx)));
-       setbits32(&immap->im_cpmux.cmx_scr,
-                 ((data->clk_tx - 1) << (4 - data->clk_tx)));
-       setbits32(&immap->im_cpmux.cmx_scr,
-                 ((data->clk_rx - 1) << (4 - data->clk_rx)));
-
-       iounmap(immap);
-}
-
-static void init_scc4_uart_ioports(struct fs_uart_platform_info *data)
-{
-       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
-
-       setbits32(&immap->im_ioport.iop_ppard, 0x00000600);
-       clrbits32(&immap->im_ioport.iop_psord, 0x00000600);
-       clrbits32(&immap->im_ioport.iop_pdird, 0x00000200);
-       setbits32(&immap->im_ioport.iop_pdird, 0x00000400);
-
-       clrbits32(&immap->im_cpmux.cmx_scr, (0x00000007 << (4 - data->clk_tx)));
-       clrbits32(&immap->im_cpmux.cmx_scr, (0x00000038 << (4 - data->clk_rx)));
-       setbits32(&immap->im_cpmux.cmx_scr,
-                 ((data->clk_tx - 1) << (4 - data->clk_tx)));
-       setbits32(&immap->im_cpmux.cmx_scr,
-                 ((data->clk_rx - 1) << (4 - data->clk_rx)));
-
-       iounmap(immap);
-}
-
-void init_scc_ioports(struct fs_uart_platform_info *data)
-{
-       int scc_no = fs_get_scc_index(data->fs_no);
-
-       switch (scc_no) {
-       case 0:
-               init_scc1_uart_ioports(data);
-               data->brg = data->clk_rx;
-               break;
-       case 3:
-               init_scc4_uart_ioports(data);
-               data->brg = data->clk_rx;
-               break;
-       default:
-               printk(KERN_ERR "init_scc_ioports: invalid SCC number\n");
-               return;
-       }
-}
-
-void __init m82xx_board_setup(void)
-{
-       cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
-       struct device_node *np;
-       struct resource r;
-       u32 *bcsr;
-
-       np = of_find_node_by_type(NULL, "memory");
-       if (!np) {
-               printk(KERN_INFO "No memory node in device tree\n");
-               return;
-       }
-       if (of_address_to_resource(np, 1, &r)) {
-               printk(KERN_INFO "No memory reg property [1] in devicetree\n");
-               return;
-       }
-       of_node_put(np);
-       bcsr = ioremap(r.start + 4, sizeof(u32));
-       /* Enable the 2nd UART port */
-       clrbits32(bcsr, BCSR1_RS232_EN2);
-
-#ifdef CONFIG_SERIAL_CPM_SCC1
-       clrbits32((u32 *) & immap->im_scc[0].scc_sccm,
-                 UART_SCCM_TX | UART_SCCM_RX);
-       clrbits32((u32 *) & immap->im_scc[0].scc_gsmrl,
-                 SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC2
-       clrbits32((u32 *) & immap->im_scc[1].scc_sccm,
-                 UART_SCCM_TX | UART_SCCM_RX);
-       clrbits32((u32 *) & immap->im_scc[1].scc_gsmrl,
-                 SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC3
-       clrbits32((u32 *) & immap->im_scc[2].scc_sccm,
-                 UART_SCCM_TX | UART_SCCM_RX);
-       clrbits32((u32 *) & immap->im_scc[2].scc_gsmrl,
-                 SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC4
-       clrbits32((u32 *) & immap->im_scc[3].scc_sccm,
-                 UART_SCCM_TX | UART_SCCM_RX);
-       clrbits32((u32 *) & immap->im_scc[3].scc_gsmrl,
-                 SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-#endif
-
-       iounmap(bcsr);
-       iounmap(immap);
-}
-
-#ifdef CONFIG_PCI
-static void m82xx_pci_mask_irq(unsigned int irq)
-{
-       int bit = irq - pci_int_base;
-
-       *pci_regs.pci_int_mask_reg |= (1 << (31 - bit));
-       return;
-}
-
-static void m82xx_pci_unmask_irq(unsigned int irq)
-{
-       int bit = irq - pci_int_base;
-
-       *pci_regs.pci_int_mask_reg &= ~(1 << (31 - bit));
-       return;
-}
-
-static void m82xx_pci_mask_and_ack(unsigned int irq)
-{
-       int bit = irq - pci_int_base;
-
-       *pci_regs.pci_int_mask_reg |= (1 << (31 - bit));
-       return;
-}
-
-static void m82xx_pci_end_irq(unsigned int irq)
-{
-       int bit = irq - pci_int_base;
-
-       *pci_regs.pci_int_mask_reg &= ~(1 << (31 - bit));
-       return;
-}
-
-struct hw_interrupt_type m82xx_pci_ic = {
-       .typename = "MPC82xx ADS PCI",
-       .name = "MPC82xx ADS PCI",
-       .enable = m82xx_pci_unmask_irq,
-       .disable = m82xx_pci_mask_irq,
-       .ack = m82xx_pci_mask_and_ack,
-       .end = m82xx_pci_end_irq,
-       .mask = m82xx_pci_mask_irq,
-       .mask_ack = m82xx_pci_mask_and_ack,
-       .unmask = m82xx_pci_unmask_irq,
-       .eoi = m82xx_pci_end_irq,
-};
-
-static void
-m82xx_pci_irq_demux(unsigned int irq, struct irq_desc *desc)
-{
-       unsigned long stat, mask, pend;
-       int bit;
-
-       for (;;) {
-               stat = *pci_regs.pci_int_stat_reg;
-               mask = *pci_regs.pci_int_mask_reg;
-               pend = stat & ~mask & 0xf0000000;
-               if (!pend)
-                       break;
-               for (bit = 0; pend != 0; ++bit, pend <<= 1) {
-                       if (pend & 0x80000000)
-                               __do_IRQ(pci_int_base + bit);
-               }
-       }
-}
-
-static int pci_pic_host_map(struct irq_host *h, unsigned int virq,
-                           irq_hw_number_t hw)
-{
-       get_irq_desc(virq)->status |= IRQ_LEVEL;
-       set_irq_chip(virq, &m82xx_pci_ic);
-       return 0;
-}
-
-static void pci_host_unmap(struct irq_host *h, unsigned int virq)
-{
-       /* remove chip and handler */
-       set_irq_chip(virq, NULL);
-}
-
-static struct irq_host_ops pci_pic_host_ops = {
-       .map = pci_pic_host_map,
-       .unmap = pci_host_unmap,
-};
-
-void m82xx_pci_init_irq(void)
-{
-       int irq;
-       cpm2_map_t *immap;
-       struct device_node *np;
-       struct resource r;
-       const u32 *regs;
-       unsigned int size;
-       const u32 *irq_map;
-       int i;
-       unsigned int irq_max, irq_min;
-
-       if ((np = of_find_node_by_type(NULL, "soc")) == NULL) {
-               printk(KERN_INFO "No SOC node in device tree\n");
-               return;
-       }
-       memset(&r, 0, sizeof(r));
-       if (of_address_to_resource(np, 0, &r)) {
-               printk(KERN_INFO "No SOC reg property in device tree\n");
-               return;
-       }
-       immap = ioremap(r.start, sizeof(*immap));
-       of_node_put(np);
-
-       /* install the demultiplexer for the PCI cascade interrupt */
-       np = of_find_node_by_type(NULL, "pci");
-       if (!np) {
-               printk(KERN_INFO "No pci node on device tree\n");
-               iounmap(immap);
-               return;
-       }
-       irq_map = of_get_property(np, "interrupt-map", &size);
-       if ((!irq_map) || (size <= 7)) {
-               printk(KERN_INFO "No interrupt-map property of pci node\n");
-               iounmap(immap);
-               return;
-       }
-       size /= sizeof(irq_map[0]);
-       for (i = 0, irq_max = 0, irq_min = 512; i < size; i += 7, irq_map += 7) {
-               if (irq_map[5] < irq_min)
-                       irq_min = irq_map[5];
-               if (irq_map[5] > irq_max)
-                       irq_max = irq_map[5];
-       }
-       pci_int_base = irq_min;
-       irq = irq_of_parse_and_map(np, 0);
-       set_irq_chained_handler(irq, m82xx_pci_irq_demux);
-       of_node_put(np);
-       np = of_find_node_by_type(NULL, "pci-pic");
-       if (!np) {
-               printk(KERN_INFO "No pci pic node on device tree\n");
-               iounmap(immap);
-               return;
-       }
-       /* PCI interrupt controller registers: status and mask */
-       regs = of_get_property(np, "reg", &size);
-       if ((!regs) || (size <= 2)) {
-               printk(KERN_INFO "No reg property in pci pic node\n");
-               iounmap(immap);
-               return;
-       }
-       pci_regs.pci_int_stat_reg =
-           ioremap(regs[0], sizeof(*pci_regs.pci_int_stat_reg));
-       pci_regs.pci_int_mask_reg =
-           ioremap(regs[1], sizeof(*pci_regs.pci_int_mask_reg));
-       /* configure chip select for PCI interrupt controller */
-       immap->im_memctl.memc_br3 = regs[0] | 0x00001801;
-       immap->im_memctl.memc_or3 = 0xffff8010;
-       /* make PCI IRQ level sensitive */
-       immap->im_intctl.ic_siexr &= ~(1 << (14 - (irq - SIU_INT_IRQ1)));
-
-       /* mask all PCI interrupts */
-       *pci_regs.pci_int_mask_reg |= 0xfff00000;
-       iounmap(immap);
-       pci_pic_host =
-           irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, irq_max - irq_min + 1,
-                          &pci_pic_host_ops, irq_max + 1);
-       return;
-}
-
-static int m82xx_pci_exclude_device(struct pci_controller *hose,
-                                   u_char bus, u_char devfn)
-{
-       if (bus == 0 && PCI_SLOT(devfn) == 0)
-               return PCIBIOS_DEVICE_NOT_FOUND;
-       else
-               return PCIBIOS_SUCCESSFUL;
-}
-
-static void __init mpc82xx_add_bridge(struct device_node *np)
-{
-       int len;
-       struct pci_controller *hose;
-       struct resource r;
-       const int *bus_range;
-       const uint *ptr;
-
-       memset(&r, 0, sizeof(r));
-       if (of_address_to_resource(np, 0, &r)) {
-               printk(KERN_INFO "No PCI reg property in device tree\n");
-               return;
-       }
-       if (!(ptr = of_get_property(np, "clock-frequency", NULL))) {
-               printk(KERN_INFO "No clock-frequency property in PCI node");
-               return;
-       }
-       pci_clk_frq = *ptr;
-       of_node_put(np);
-       bus_range = of_get_property(np, "bus-range", &len);
-       if (bus_range == NULL || len < 2 * sizeof(int)) {
-               printk(KERN_WARNING "Can't get bus-range for %s, assume"
-                      " bus 0\n", np->full_name);
-       }
-
-       pci_assign_all_buses = 1;
-
-       hose = pcibios_alloc_controller(np);
-
-       if (!hose)
-               return;
-
-       hose->first_busno = bus_range ? bus_range[0] : 0;
-       hose->last_busno = bus_range ? bus_range[1] : 0xff;
-
-       setup_indirect_pci(hose,
-                          r.start + offsetof(pci_cpm2_t, pci_cfg_addr),
-                          r.start + offsetof(pci_cpm2_t, pci_cfg_data),
-                          0);
-
-       pci_process_bridge_OF_ranges(hose, np, 1);
-}
-#endif
-
-/*
- * Setup the architecture
- */
-static void __init mpc82xx_ads_setup_arch(void)
-{
-#ifdef CONFIG_PCI
-       struct device_node *np;
-#endif
-
-       if (ppc_md.progress)
-               ppc_md.progress("mpc82xx_ads_setup_arch()", 0);
-       cpm2_reset();
-
-       /* Map I/O region to a 256MB BAT */
-
-       m82xx_board_setup();
-
-#ifdef CONFIG_PCI
-       ppc_md.pci_exclude_device = m82xx_pci_exclude_device;
-       for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
-               mpc82xx_add_bridge(np);
-
-       of_node_put(np);
-#endif
-
-#ifdef  CONFIG_ROOT_NFS
-       ROOT_DEV = Root_NFS;
-#else
-       ROOT_DEV = Root_HDA1;
-#endif
-
-       if (ppc_md.progress)
-               ppc_md.progress("mpc82xx_ads_setup_arch(), finish", 0);
-}
-
-/*
- * Called very early, device-tree isn't unflattened
- */
-static int __init mpc82xx_ads_probe(void)
-{
-       /* We always match for now, eventually we should look at
-        * the flat dev tree to ensure this is the board we are
-        * supposed to run on
-        */
-       return 1;
-}
-
-#define RMR_CSRE 0x00000001
-static void m82xx_restart(char *cmd)
-{
-       __volatile__ unsigned char dummy;
-
-       local_irq_disable();
-       ((cpm2_map_t *) cpm2_immr)->im_clkrst.car_rmr |= RMR_CSRE;
-
-       /* Clear the ME,EE,IR & DR bits in MSR to cause checkstop */
-       mtmsr(mfmsr() & ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR));
-       dummy = ((cpm2_map_t *) cpm2_immr)->im_clkrst.res[0];
-       printk("Restart failed\n");
-       while (1) ;
-}
-
-define_machine(mpc82xx_ads)
-{
-       .name = "MPC82xx ADS",
-       .probe = mpc82xx_ads_probe,
-       .setup_arch =    mpc82xx_ads_setup_arch,
-       .init_IRQ =    mpc82xx_ads_pic_init,
-       .get_irq =    cpm2_get_irq,
-       .calibrate_decr = generic_calibrate_decr,
-       .restart = m82xx_restart,
-};