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authorImre Kaloz <kaloz@openwrt.org>2007-05-24 12:44:44 +0000
committerImre Kaloz <kaloz@openwrt.org>2007-05-24 12:44:44 +0000
commit022ac5019d6b599d72b75e379697b958e1d21df6 (patch)
treeb66dab3d1d677c5374088ab00380cf14d1ee1b46 /target/linux/magicbox-2.6/files
parenta8d3dc4d94a7053e8310c79f90d6006adfd334d0 (diff)
downloadupstream-022ac5019d6b599d72b75e379697b958e1d21df6.tar.gz
upstream-022ac5019d6b599d72b75e379697b958e1d21df6.tar.bz2
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fix Magicbox for .21 and convert to the new structure
SVN-Revision: 7328
Diffstat (limited to 'target/linux/magicbox-2.6/files')
-rw-r--r--target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c249
-rw-r--r--target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.h47
-rw-r--r--target/linux/magicbox-2.6/files/drivers/ide/ppc/magicbox_ide.c147
-rw-r--r--target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c113
4 files changed, 556 insertions, 0 deletions
diff --git a/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c b/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c
new file mode 100644
index 0000000000..470fbc4e08
--- /dev/null
+++ b/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c
@@ -0,0 +1,249 @@
+/*
+ * Support for IBM PPC 405EP-based MagicBox board
+ * Copyright (C) 2006 Karol Lewandowski
+ *
+ * Heavily based on bubinga.c
+ *
+ * Author: SAW (IBM), derived from walnut.c.
+ * Maintained by MontaVista Software <source@mvista.com>
+ *
+ * 2003 (c) MontaVista Softare 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 <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/smp.h>
+#include <linux/threads.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/blkdev.h>
+#include <linux/pci.h>
+#include <linux/tty.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+
+#include <asm/system.h>
+#include <asm/pci-bridge.h>
+#include <asm/processor.h>
+#include <asm/machdep.h>
+#include <asm/page.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/kgdb.h>
+#include <asm/ocp.h>
+#include <asm/ibm_ocp_pci.h>
+
+#include <platforms/4xx/ibm405ep.h>
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG(x...) printk(x)
+#else
+#define DBG(x...)
+#endif
+
+extern bd_t __res;
+
+/* Some IRQs unique to board
+ * Used by the generic 405 PCI setup functions in ppc4xx_pci.c
+ */
+int __init
+ppc405_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
+{
+ static char pci_irq_table[][4] =
+ /*
+ * PCI IDSEL/INTPIN->INTLINE
+ * A B C D
+ */
+ {
+ {28, 28, 28, 28}, /* IDSEL 1 - PCI slot 1 */
+ {29, 29, 29, 29}, /* IDSEL 2 - PCI slot 2 */
+ {30, 30, 30, 30}, /* IDSEL 3 - PCI slot 3 */
+ {31, 31, 31, 31}, /* IDSEL 4 - PCI slot 4 */
+ };
+
+ const long min_idsel = 1, max_idsel = 4, irqs_per_slot = 4;
+ return PCI_IRQ_TABLE_LOOKUP;
+};
+
+
+/* The serial clock for the chip is an internal clock determined by
+ * different clock speeds/dividers.
+ * Calculate the proper input baud rate and setup the serial driver.
+ */
+static void __init
+magicbox_early_serial_map(void)
+{
+ u32 uart_div;
+ int uart_clock;
+ struct uart_port port;
+
+ /* Calculate the serial clock input frequency
+ *
+ * The base baud is the PLL OUTA (provided in the board info
+ * structure) divided by the external UART Divisor, divided
+ * by 16.
+ */
+ uart_div = (mfdcr(DCRN_CPC0_UCR_BASE) & DCRN_CPC0_UCR_U0DIV);
+ uart_clock = __res.bi_procfreq / uart_div;
+
+ /* Setup serial port access */
+ memset(&port, 0, sizeof(port));
+ port.membase = (void*)ACTING_UART0_IO_BASE;
+ port.irq = ACTING_UART0_INT;
+ port.uartclk = uart_clock;
+ port.regshift = 0;
+ port.iotype = SERIAL_IO_MEM;
+ port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
+ port.line = 0;
+
+ if (early_serial_setup(&port) != 0) {
+ printk("Early serial init of port 0 failed\n");
+ }
+
+ port.membase = (void*)ACTING_UART1_IO_BASE;
+ port.irq = ACTING_UART1_INT;
+ port.line = 1;
+
+ if (early_serial_setup(&port) != 0) {
+ printk("Early serial init of port 1 failed\n");
+ }
+}
+
+void __init
+bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip)
+{
+ unsigned int bar_response, bar;
+ /*
+ * Expected PCI mapping:
+ *
+ * PLB addr PCI memory addr
+ * --------------------- ---------------------
+ * 0000'0000 - 7fff'ffff <--- 0000'0000 - 7fff'ffff
+ * 8000'0000 - Bfff'ffff ---> 8000'0000 - Bfff'ffff
+ *
+ * PLB addr PCI io addr
+ * --------------------- ---------------------
+ * e800'0000 - e800'ffff ---> 0000'0000 - 0001'0000
+ *
+ * The following code is simplified by assuming that the bootrom
+ * has been well behaved in following this mapping.
+ */
+
+#ifdef DEBUG
+ int i;
+
+ printk("ioremap PCLIO_BASE = 0x%x\n", pcip);
+ printk("PCI bridge regs before fixup \n");
+ for (i = 0; i <= 3; i++) {
+ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].ma)));
+ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].la)));
+ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].pcila)));
+ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].pciha)));
+ }
+ printk(" ptm1ms\t0x%x\n", in_le32(&(pcip->ptm1ms)));
+ printk(" ptm1la\t0x%x\n", in_le32(&(pcip->ptm1la)));
+ printk(" ptm2ms\t0x%x\n", in_le32(&(pcip->ptm2ms)));
+ printk(" ptm2la\t0x%x\n", in_le32(&(pcip->ptm2la)));
+
+#endif
+
+ /* added for IBM boot rom version 1.15 bios bar changes -AK */
+
+ /* Disable region first */
+ out_le32((void *) &(pcip->pmm[0].ma), 0x00000000);
+ /* PLB starting addr, PCI: 0x80000000 */
+ out_le32((void *) &(pcip->pmm[0].la), 0x80000000);
+ /* PCI start addr, 0x80000000 */
+ out_le32((void *) &(pcip->pmm[0].pcila), PPC405_PCI_MEM_BASE);
+ /* 512MB range of PLB to PCI */
+ out_le32((void *) &(pcip->pmm[0].pciha), 0x00000000);
+ /* Enable no pre-fetch, enable region */
+ out_le32((void *) &(pcip->pmm[0].ma), ((0xffffffff -
+ (PPC405_PCI_UPPER_MEM -
+ PPC405_PCI_MEM_BASE)) | 0x01));
+
+ /* Disable region one */
+ out_le32((void *) &(pcip->pmm[1].ma), 0x00000000);
+ out_le32((void *) &(pcip->pmm[1].la), 0x00000000);
+ out_le32((void *) &(pcip->pmm[1].pcila), 0x00000000);
+ out_le32((void *) &(pcip->pmm[1].pciha), 0x00000000);
+ out_le32((void *) &(pcip->pmm[1].ma), 0x00000000);
+ out_le32((void *) &(pcip->ptm1ms), 0x00000001);
+
+ /* Disable region two */
+ out_le32((void *) &(pcip->pmm[2].ma), 0x00000000);
+ out_le32((void *) &(pcip->pmm[2].la), 0x00000000);
+ out_le32((void *) &(pcip->pmm[2].pcila), 0x00000000);
+ out_le32((void *) &(pcip->pmm[2].pciha), 0x00000000);
+ out_le32((void *) &(pcip->pmm[2].ma), 0x00000000);
+ out_le32((void *) &(pcip->ptm2ms), 0x00000000);
+ out_le32((void *) &(pcip->ptm2la), 0x00000000);
+
+ /* Zero config bars */
+ for (bar = PCI_BASE_ADDRESS_1; bar <= PCI_BASE_ADDRESS_2; bar += 4) {
+ early_write_config_dword(hose, hose->first_busno,
+ PCI_FUNC(hose->first_busno), bar,
+ 0x00000000);
+ early_read_config_dword(hose, hose->first_busno,
+ PCI_FUNC(hose->first_busno), bar,
+ &bar_response);
+ DBG("BUS %d, device %d, Function %d bar 0x%8.8x is 0x%8.8x\n",
+ hose->first_busno, PCI_SLOT(hose->first_busno),
+ PCI_FUNC(hose->first_busno), bar, bar_response);
+ }
+ /* end work arround */
+
+#ifdef DEBUG
+ printk("PCI bridge regs after fixup \n");
+ for (i = 0; i <= 3; i++) {
+ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].ma)));
+ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].la)));
+ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].pcila)));
+ printk(" pmm%dma\t0x%x\n", i, in_le32(&(pcip->pmm[i].pciha)));
+ }
+ printk(" ptm1ms\t0x%x\n", in_le32(&(pcip->ptm1ms)));
+ printk(" ptm1la\t0x%x\n", in_le32(&(pcip->ptm1la)));
+ printk(" ptm2ms\t0x%x\n", in_le32(&(pcip->ptm2ms)));
+ printk(" ptm2la\t0x%x\n", in_le32(&(pcip->ptm2la)));
+
+#endif /* DEBUG */
+}
+
+void __init
+magicbox_setup_arch(void)
+{
+ ppc4xx_setup_arch();
+
+ ibm_ocp_set_emac(0, 1);
+
+ magicbox_early_serial_map();
+
+ /* Identify the system */
+ printk("MagicBox port (C) 2005 Karol Lewandowski <kl@jasmine.eu.org>\n");
+}
+
+void __init
+magicbox_map_io(void)
+{
+ ppc4xx_map_io();
+}
+
+void __init
+platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ ppc4xx_init(r3, r4, r5, r6, r7);
+
+ ppc_md.setup_arch = magicbox_setup_arch;
+ ppc_md.setup_io_mappings = magicbox_map_io;
+
+#ifdef CONFIG_KGDB
+ ppc_md.early_serial_map = bubinga_early_serial_map;
+#endif
+
+}
diff --git a/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.h b/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.h
new file mode 100644
index 0000000000..6ce1e5b8ce
--- /dev/null
+++ b/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.h
@@ -0,0 +1,47 @@
+/*
+ * Support for IBM PPC 405EP-based MagicBox board
+ *
+ * Heavily based on bubinga.h
+ *
+ *
+ * Author: SAW (IBM), derived from walnut.h.
+ * Maintained by MontaVista Software <source@mvista.com>
+ *
+ * 2003 (c) MontaVista Softare 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.
+ */
+
+#ifdef __KERNEL__
+#ifndef __MAGICBOX_H__
+#define __MAGICBOX_H__
+
+#include <linux/autoconf.h>
+#include <platforms/4xx/ibm405ep.h>
+#include <asm/ppcboot.h>
+
+/* Memory map for the "MagicBox" 405EP evaluation board -- generic 4xx. */
+
+/* The UART clock is based off an internal clock -
+ * define BASE_BAUD based on the internal clock and divider(s).
+ * Since BASE_BAUD must be a constant, we will initialize it
+ * using clock/divider values which OpenBIOS initializes
+ * for typical configurations at various CPU speeds.
+ * The base baud is calculated as (FWDA / EXT UART DIV / 16)
+ */
+#define BASE_BAUD 0
+
+/* Flash */
+#define PPC40x_FPGA_BASE 0xF0300000
+#define PPC40x_FPGA_REG_OFFS 1 /* offset to flash map reg */
+#define PPC40x_FLASH_ONBD_N(x) (x & 0x02)
+#define PPC40x_FLASH_SRAM_SEL(x) (x & 0x01)
+#define PPC40x_FLASH_LOW 0xFFF00000
+#define PPC40x_FLASH_HIGH 0xFFF80000
+#define PPC40x_FLASH_SIZE 0x80000
+
+#define PPC4xx_MACHINE_NAME "MagicBox"
+
+#endif /* __MAGICBOX_H__ */
+#endif /* __KERNEL__ */
diff --git a/target/linux/magicbox-2.6/files/drivers/ide/ppc/magicbox_ide.c b/target/linux/magicbox-2.6/files/drivers/ide/ppc/magicbox_ide.c
new file mode 100644
index 0000000000..d1f6d68edb
--- /dev/null
+++ b/target/linux/magicbox-2.6/files/drivers/ide/ppc/magicbox_ide.c
@@ -0,0 +1,147 @@
+/* Driver for MagicBox 2.0 onboard CompactFlash adapter.
+ * Written by Wojtek Kaniewski <wojtekka@toxygen.net>
+ *
+ * GNU General Public License.
+ */
+
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/blkdev.h>
+#include <linux/hdreg.h>
+#include <linux/ide.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+
+
+#define UIC0_PR 0xc4
+#define UIC0_TR 0xc5
+#define IRQ 25
+
+static int ide_offsets[IDE_NR_PORTS] = {0, 2, 4, 6, 8, 10, 12, 14, -1, -1};
+
+static u8 magicbox_ide_inb (unsigned long port)
+{
+ return (u8) (readw((void __iomem *) port) >> 8) & 255;
+}
+
+static u16 magicbox_ide_inw (unsigned long port)
+{
+ return (u16) readw((void __iomem *) port);
+}
+
+static void magicbox_ide_insw (unsigned long port, void *addr, u32 count)
+{
+ u16 *ptr;
+
+ for (ptr = addr; count--; ptr++)
+ *ptr = readw((void __iomem *) port);
+}
+
+static u32 magicbox_ide_inl (unsigned long port)
+{
+ return (u32) readl((void __iomem *) port);
+}
+
+static void magicbox_ide_insl (unsigned long port, void *addr, u32 count)
+{
+ u32 *ptr;
+
+ for (ptr = addr; count--; ptr++)
+ *ptr = readl((void __iomem *) port);
+}
+
+static void magicbox_ide_outb (u8 value, unsigned long port)
+{
+ writew(value << 8, (void __iomem *) port);
+}
+
+static void magicbox_ide_outbsync (ide_drive_t *drive, u8 value, unsigned long port)
+{
+ writew(value << 8, (void __iomem *) port);
+}
+
+static void magicbox_ide_outw (u16 value, unsigned long port)
+{
+ writew(value, (void __iomem *) port);
+}
+
+static void magicbox_ide_outsw (unsigned long port, void *addr, u32 count)
+{
+ u16 *ptr;
+
+ for (ptr = addr; count--; ptr++)
+ writew(*ptr, (void __iomem *) port);
+}
+
+static void magicbox_ide_outl (u32 value, unsigned long port)
+{
+ writel(value, (void __iomem *) port);
+}
+
+static void magicbox_ide_outsl (unsigned long port, void *addr, u32 count)
+{
+ u32 *ptr;
+
+ for (ptr = addr; count--; ptr++)
+ writel(*ptr, (void __iomem *) port);
+}
+
+
+static void __init ide_magicbox_register(unsigned long addr,
+ unsigned long caddr, int irq)
+{
+ hw_regs_t hw;
+ ide_hwif_t *hwif;
+
+ memset(&hw, 0, sizeof(hw));
+ ide_setup_ports(&hw, addr, ide_offsets, caddr + 12, 0, NULL,irq);
+
+ if (ide_register_hw(&hw, &hwif) != -1)
+ {
+ printk(KERN_NOTICE "magicbox-ide: Registered IDE-CF driver\n");
+ hwif->mmio = 2;
+ hwif->drives[0].unmask = 1;
+ hwif->OUTB = magicbox_ide_outb;
+ hwif->OUTBSYNC = magicbox_ide_outbsync;
+ hwif->OUTW = magicbox_ide_outw;
+ hwif->OUTSW = magicbox_ide_outsw;
+ hwif->OUTSL = magicbox_ide_outsl;
+ hwif->INB = magicbox_ide_inb;
+ hwif->INW = magicbox_ide_inw;
+ hwif->INSW = magicbox_ide_insw;
+ hwif->INSL = magicbox_ide_insl;
+ }
+}
+
+void __init ide_magicbox_init(void)
+{
+ volatile u16 *addr;
+ volatile u16 *caddr;
+
+ /* Turn on PerWE instead of PCIsomething */
+ mtdcr(DCRN_CPC0_PCI_BASE, mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
+
+ /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
+ mtdcr(DCRN_EBC_BASE, 1);
+ mtdcr(DCRN_EBC_BASE + 1, 0xff11a000);
+ mtdcr(DCRN_EBC_BASE, 0x11);
+ mtdcr(DCRN_EBC_BASE + 1, 0x080bd800);
+
+ /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
+ mtdcr(DCRN_EBC_BASE, 2);
+ mtdcr(DCRN_EBC_BASE + 1, 0xff21a000);
+ mtdcr(DCRN_EBC_BASE, 0x12);
+ mtdcr(DCRN_EBC_BASE + 1, 0x080bd800);
+
+ /* Remap physical address space */
+ addr = ioremap_nocache(0xff100000, 4096);
+ caddr = ioremap_nocache(0xff200000, 4096);
+
+ /* Set interrupt to low-to-high-edge-triggered */
+ mtdcr(UIC0_TR, mfdcr(UIC0_TR) & ~(0x80000000L >> IRQ));
+ mtdcr(UIC0_PR, mfdcr(UIC0_PR) | (0x80000000L >> IRQ));
+
+ ide_magicbox_register((unsigned long)addr, (unsigned long)caddr, IRQ);
+}
+
diff --git a/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c b/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c
new file mode 100644
index 0000000000..b654a3d9bd
--- /dev/null
+++ b/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c
@@ -0,0 +1,113 @@
+/*
+ * magicmap.c: Copyleft 2005 Karol Lewandowski
+ *
+ * Mapping for MagicBox flash.
+ * Based on walnut.c.
+ *
+ * Heikki Lindholm <holindho@infradead.org>
+ *
+ *
+ * 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/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/autoconf.h>
+#include <asm/io.h>
+
+static struct mtd_info *flash;
+
+static struct map_info magic_map = {
+ .name = "Magically mapped flash",
+ .phys = 0xffc00000,
+ .size = 0x400000,
+ .bankwidth = 2,
+};
+
+static struct mtd_partition magic_partitions[] = {
+ {
+ .name = "linux",
+ .offset = 0x0,
+ .size = 0x3c0000,
+ },
+ {
+ .name = "rootfs",
+ .offset = 0x100000,
+ .size = 0x2c0000,
+ },
+ {
+ .name = "bootloader",
+ .offset = 0x3c0000,
+ .size = 0x040000,
+ .mask_flags = MTD_WRITEABLE,
+ },
+};
+
+int __init init_magic(void)
+{
+ u32 size, len;
+
+ magic_map.virt =
+ (void __iomem *)ioremap(magic_map.phys, magic_map.size);
+
+ if (!magic_map.virt) {
+ printk("Failed to ioremap flash.\n");
+ return -EIO;
+ }
+
+ simple_map_init(&magic_map);
+
+ flash = do_map_probe("cfi_probe", &magic_map);
+ if (flash) {
+ flash->owner = THIS_MODULE;
+ if (flash->read(flash, 12, sizeof(u32), &len, (char *) &size) ||
+ len != 4)
+ return -ENXIO;
+ size += 0x40; /* header size of the uImage */
+ if (size < 0x400000) {
+ /* skip to next erase block */
+ if (size & (flash->erasesize - 1)) {
+ size |= (flash->erasesize - 1);
+ size += 1;
+ }
+ magic_partitions[1].offset = size;
+ magic_partitions[1].size = magic_partitions[2].offset - size;
+ }
+
+ add_mtd_partitions(flash, magic_partitions,
+ ARRAY_SIZE(magic_partitions));
+ } else {
+ printk("map probe failed for flash\n");
+ return -ENXIO;
+ }
+
+ return 0;
+}
+
+static void __exit cleanup_magic(void)
+{
+ if (flash) {
+ del_mtd_partitions(flash);
+ map_destroy(flash);
+ }
+
+ if (magic_map.virt) {
+ iounmap((void *)magic_map.virt);
+ magic_map.virt = NULL;
+ }
+}
+
+module_init(init_magic);
+module_exit(cleanup_magic);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Karol Lewandowski");
+MODULE_DESCRIPTION("MTD map and partitions for IBM 405EP MagicBox boards");