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Diffstat (limited to 'target/linux/magicbox-2.6/patches/001-magicbox_support.patch')
-rw-r--r--target/linux/magicbox-2.6/patches/001-magicbox_support.patch372
1 files changed, 372 insertions, 0 deletions
diff --git a/target/linux/magicbox-2.6/patches/001-magicbox_support.patch b/target/linux/magicbox-2.6/patches/001-magicbox_support.patch
new file mode 100644
index 0000000..b7806da
--- /dev/null
+++ b/target/linux/magicbox-2.6/patches/001-magicbox_support.patch
@@ -0,0 +1,372 @@
+diff -Nur linux-2.6.17/arch/ppc/platforms/4xx/Kconfig linux-2.6.17-owrt/arch/ppc/platforms/4xx/Kconfig
+--- linux-2.6.17/arch/ppc/platforms/4xx/Kconfig 2006-06-18 03:49:35.000000000 +0200
++++ linux-2.6.17-owrt/arch/ppc/platforms/4xx/Kconfig 2006-08-25 23:33:05.000000000 +0200
+@@ -52,6 +52,12 @@
+ help
+ This option enables support for the IBM PPC405GP evaluation board.
+
++config MAGICBOX
++ bool "MagicBox"
++ select WANT_EARLY_SERIAL
++ help
++ This option enables support for the IBM PPC405EP evaluation board.
++
+ config XILINX_ML300
+ bool "Xilinx-ML300"
+ help
+@@ -173,7 +179,7 @@
+
+ config IBM_OCP
+ bool
+- depends on ASH || BAMBOO || BUBINGA || CPCI405 || EBONY || EP405 || LUAN || YUCCA || OCOTEA || REDWOOD_5 || REDWOOD_6 || SYCAMORE || WALNUT
++ depends on ASH || BAMBOO || BUBINGA || CPCI405 || EBONY || EP405 || LUAN || YUCCA || OCOTEA || REDWOOD_5 || REDWOOD_6 || SYCAMORE || WALNUT || MAGICBOX
+ default y
+
+ config IBM_EMAC4
+@@ -183,7 +189,7 @@
+
+ config BIOS_FIXUP
+ bool
+- depends on BUBINGA || EP405 || SYCAMORE || WALNUT
++ depends on BUBINGA || EP405 || SYCAMORE || WALNUT || MAGICBOX
+ default y
+
+ # OAK doesn't exist but wanted to keep this around for any future 403GCX boards
+@@ -194,7 +200,7 @@
+
+ config 405EP
+ bool
+- depends on BUBINGA
++ depends on BUBINGA || MAGICBOX
+ default y
+
+ config 405GP
+diff -Nur linux-2.6.17/arch/ppc/platforms/4xx/magicbox.c linux-2.6.17-owrt/arch/ppc/platforms/4xx/magicbox.c
+--- linux-2.6.17/arch/ppc/platforms/4xx/magicbox.c 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.17-owrt/arch/ppc/platforms/4xx/magicbox.c 2006-08-25 23:33:05.000000000 +0200
+@@ -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/config.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 -Nur linux-2.6.17/arch/ppc/platforms/4xx/magicbox.h linux-2.6.17-owrt/arch/ppc/platforms/4xx/magicbox.h
+--- linux-2.6.17/arch/ppc/platforms/4xx/magicbox.h 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.17-owrt/arch/ppc/platforms/4xx/magicbox.h 2006-08-25 23:33:05.000000000 +0200
+@@ -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/config.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 -Nur linux-2.6.17/arch/ppc/platforms/4xx/Makefile linux-2.6.17-owrt/arch/ppc/platforms/4xx/Makefile
+--- linux-2.6.17/arch/ppc/platforms/4xx/Makefile 2006-06-18 03:49:35.000000000 +0200
++++ linux-2.6.17-owrt/arch/ppc/platforms/4xx/Makefile 2006-08-25 23:33:05.000000000 +0200
+@@ -13,6 +13,7 @@
+ obj-$(CONFIG_REDWOOD_6) += redwood6.o
+ obj-$(CONFIG_SYCAMORE) += sycamore.o
+ obj-$(CONFIG_WALNUT) += walnut.o
++obj-$(CONFIG_MAGICBOX) += magicbox.o
+ obj-$(CONFIG_XILINX_ML300) += xilinx_ml300.o
+ obj-$(CONFIG_XILINX_ML403) += xilinx_ml403.o
+
+diff -Nur linux-2.6.17/include/asm-ppc/ibm4xx.h linux-2.6.17-owrt/include/asm-ppc/ibm4xx.h
+--- linux-2.6.17/include/asm-ppc/ibm4xx.h 2006-06-18 03:49:35.000000000 +0200
++++ linux-2.6.17-owrt/include/asm-ppc/ibm4xx.h 2006-08-25 23:33:05.000000000 +0200
+@@ -19,6 +19,10 @@
+
+ #ifdef CONFIG_40x
+
++#if defined(CONFIG_MAGICBOX)
++#include <platforms/4xx/magicbox.h>
++#endif
++
+ #if defined(CONFIG_BUBINGA)
+ #include <platforms/4xx/bubinga.h>
+ #endif
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