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-rw-r--r--arch/ppc/platforms/radstone_ppc7d.c1492
1 files changed, 0 insertions, 1492 deletions
diff --git a/arch/ppc/platforms/radstone_ppc7d.c b/arch/ppc/platforms/radstone_ppc7d.c
deleted file mode 100644
index f1dee1e..0000000
--- a/arch/ppc/platforms/radstone_ppc7d.c
+++ /dev/null
@@ -1,1492 +0,0 @@
-/*
- * Board setup routines for the Radstone PPC7D boards.
- *
- * Author: James Chapman <jchapman@katalix.com>
- *
- * Based on code done by Rabeeh Khoury - rabeeh@galileo.co.il
- * Based on code done by - Mark A. Greer <mgreer@mvista.com>
- *
- * 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.
- */
-
-/* Radstone PPC7D boards are rugged VME boards with PPC 7447A CPUs,
- * Discovery-II, dual gigabit ethernet, dual PMC, USB, keyboard/mouse,
- * 4 serial ports, 2 high speed serial ports (MPSCs) and optional
- * SCSI / VGA.
- */
-
-#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/kdev_t.h>
-#include <linux/major.h>
-#include <linux/initrd.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/seq_file.h>
-#include <linux/root_dev.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 <linux/mv643xx.h>
-#include <linux/netdevice.h>
-#include <linux/platform_device.h>
-
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/time.h>
-#include <asm/dma.h>
-#include <asm/io.h>
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/smp.h>
-#include <asm/vga.h>
-#include <asm/open_pic.h>
-#include <asm/i8259.h>
-#include <asm/todc.h>
-#include <asm/bootinfo.h>
-#include <asm/mpc10x.h>
-#include <asm/pci-bridge.h>
-#include <asm/mv64x60.h>
-
-#include "radstone_ppc7d.h"
-
-#undef DEBUG
-
-#define PPC7D_RST_PIN 17 /* GPP17 */
-
-extern u32 mv64360_irq_base;
-extern spinlock_t rtc_lock;
-
-static struct mv64x60_handle bh;
-static int ppc7d_has_alma;
-
-extern void gen550_progress(char *, unsigned short);
-extern void gen550_init(int, struct uart_port *);
-
-/* FIXME - move to h file */
-extern int ds1337_do_command(int id, int cmd, void *arg);
-#define DS1337_GET_DATE 0
-#define DS1337_SET_DATE 1
-
-/* residual data */
-unsigned char __res[sizeof(bd_t)];
-
-/*****************************************************************************
- * Serial port code
- *****************************************************************************/
-
-#if defined(CONFIG_KGDB) || defined(CONFIG_SERIAL_TEXT_DEBUG)
-static void __init ppc7d_early_serial_map(void)
-{
-#if defined(CONFIG_SERIAL_MPSC_CONSOLE)
- mv64x60_progress_init(CONFIG_MV64X60_NEW_BASE);
-#elif defined(CONFIG_SERIAL_8250)
- struct uart_port serial_req;
-
- /* Setup serial port access */
- memset(&serial_req, 0, sizeof(serial_req));
- serial_req.uartclk = UART_CLK;
- serial_req.irq = 4;
- serial_req.flags = STD_COM_FLAGS;
- serial_req.iotype = UPIO_MEM;
- serial_req.membase = (u_char *) PPC7D_SERIAL_0;
-
- gen550_init(0, &serial_req);
- if (early_serial_setup(&serial_req) != 0)
- printk(KERN_ERR "Early serial init of port 0 failed\n");
-
- /* Assume early_serial_setup() doesn't modify serial_req */
- serial_req.line = 1;
- serial_req.irq = 3;
- serial_req.membase = (u_char *) PPC7D_SERIAL_1;
-
- gen550_init(1, &serial_req);
- if (early_serial_setup(&serial_req) != 0)
- printk(KERN_ERR "Early serial init of port 1 failed\n");
-#else
-#error CONFIG_KGDB || CONFIG_SERIAL_TEXT_DEBUG has no supported CONFIG_SERIAL_XXX
-#endif
-}
-#endif /* CONFIG_KGDB || CONFIG_SERIAL_TEXT_DEBUG */
-
-/*****************************************************************************
- * Low-level board support code
- *****************************************************************************/
-
-static unsigned long __init ppc7d_find_end_of_memory(void)
-{
- bd_t *bp = (bd_t *) __res;
-
- if (bp->bi_memsize)
- return bp->bi_memsize;
-
- return (256 * 1024 * 1024);
-}
-
-static void __init ppc7d_map_io(void)
-{
- /* remove temporary mapping */
- mtspr(SPRN_DBAT3U, 0x00000000);
- mtspr(SPRN_DBAT3L, 0x00000000);
-
- io_block_mapping(0xe8000000, 0xe8000000, 0x08000000, _PAGE_IO);
- io_block_mapping(0xfe000000, 0xfe000000, 0x02000000, _PAGE_IO);
-}
-
-static void ppc7d_restart(char *cmd)
-{
- u32 data;
-
- /* Disable GPP17 interrupt */
- data = mv64x60_read(&bh, MV64x60_GPP_INTR_MASK);
- data &= ~(1 << PPC7D_RST_PIN);
- mv64x60_write(&bh, MV64x60_GPP_INTR_MASK, data);
-
- /* Configure MPP17 as GPP */
- data = mv64x60_read(&bh, MV64x60_MPP_CNTL_2);
- data &= ~(0x0000000f << 4);
- mv64x60_write(&bh, MV64x60_MPP_CNTL_2, data);
-
- /* Enable pin GPP17 for output */
- data = mv64x60_read(&bh, MV64x60_GPP_IO_CNTL);
- data |= (1 << PPC7D_RST_PIN);
- mv64x60_write(&bh, MV64x60_GPP_IO_CNTL, data);
-
- /* Toggle GPP9 pin to reset the board */
- mv64x60_write(&bh, MV64x60_GPP_VALUE_CLR, 1 << PPC7D_RST_PIN);
- mv64x60_write(&bh, MV64x60_GPP_VALUE_SET, 1 << PPC7D_RST_PIN);
-
- for (;;) ; /* Spin until reset happens */
- /* NOTREACHED */
-}
-
-static void ppc7d_power_off(void)
-{
- u32 data;
-
- local_irq_disable();
-
- /* Ensure that internal MV643XX watchdog is disabled.
- * The Disco watchdog uses MPP17 on this hardware.
- */
- data = mv64x60_read(&bh, MV64x60_MPP_CNTL_2);
- data &= ~(0x0000000f << 4);
- mv64x60_write(&bh, MV64x60_MPP_CNTL_2, data);
-
- data = mv64x60_read(&bh, MV64x60_WDT_WDC);
- if (data & 0x80000000) {
- mv64x60_write(&bh, MV64x60_WDT_WDC, 1 << 24);
- mv64x60_write(&bh, MV64x60_WDT_WDC, 2 << 24);
- }
-
- for (;;) ; /* No way to shut power off with software */
- /* NOTREACHED */
-}
-
-static void ppc7d_halt(void)
-{
- ppc7d_power_off();
- /* NOTREACHED */
-}
-
-static unsigned long ppc7d_led_no_pulse;
-
-static int __init ppc7d_led_pulse_disable(char *str)
-{
- ppc7d_led_no_pulse = 1;
- return 1;
-}
-
-/* This kernel option disables the heartbeat pulsing of a board LED */
-__setup("ledoff", ppc7d_led_pulse_disable);
-
-static void ppc7d_heartbeat(void)
-{
- u32 data32;
- u8 data8;
- static int max706_wdog = 0;
-
- /* Unfortunately we can't access the LED control registers
- * during early init because they're on the CPLD which is the
- * other side of a PCI bridge which goes unreachable during
- * PCI scan. So write the LEDs only if the MV64360 watchdog is
- * enabled (i.e. userspace apps are running so kernel is up)..
- */
- data32 = mv64x60_read(&bh, MV64x60_WDT_WDC);
- if (data32 & 0x80000000) {
- /* Enable MAX706 watchdog if not done already */
- if (!max706_wdog) {
- outb(3, PPC7D_CPLD_RESET);
- max706_wdog = 1;
- }
-
- /* Hit the MAX706 watchdog */
- outb(0, PPC7D_CPLD_WATCHDOG_TRIG);
-
- /* Pulse LED DS219 if not disabled */
- if (!ppc7d_led_no_pulse) {
- static int led_on = 0;
-
- data8 = inb(PPC7D_CPLD_LEDS);
- if (led_on)
- data8 &= ~PPC7D_CPLD_LEDS_DS219_MASK;
- else
- data8 |= PPC7D_CPLD_LEDS_DS219_MASK;
-
- outb(data8, PPC7D_CPLD_LEDS);
- led_on = !led_on;
- }
- }
- ppc_md.heartbeat_count = ppc_md.heartbeat_reset;
-}
-
-static int ppc7d_show_cpuinfo(struct seq_file *m)
-{
- u8 val;
- u8 val1, val2;
- static int flash_sizes[4] = { 64, 32, 0, 16 };
- static int flash_banks[4] = { 4, 3, 2, 1 };
- static int sdram_bank_sizes[4] = { 128, 256, 512, 1 };
- int sdram_num_banks = 2;
- static char *pci_modes[] = { "PCI33", "PCI66",
- "Unknown", "Unknown",
- "PCIX33", "PCIX66",
- "PCIX100", "PCIX133"
- };
-
- seq_printf(m, "vendor\t\t: Radstone Technology\n");
- seq_printf(m, "machine\t\t: PPC7D\n");
-
- val = inb(PPC7D_CPLD_BOARD_REVISION);
- val1 = (val & PPC7D_CPLD_BOARD_REVISION_NUMBER_MASK) >> 5;
- val2 = (val & PPC7D_CPLD_BOARD_REVISION_LETTER_MASK);
- seq_printf(m, "revision\t: %hd%c%c\n",
- val1,
- (val2 <= 0x18) ? 'A' + val2 : 'Y',
- (val2 > 0x18) ? 'A' + (val2 - 0x19) : ' ');
-
- val = inb(PPC7D_CPLD_MOTHERBOARD_TYPE);
- val1 = val & PPC7D_CPLD_MB_TYPE_PLL_MASK;
- val2 = val & (PPC7D_CPLD_MB_TYPE_ECC_FITTED_MASK |
- PPC7D_CPLD_MB_TYPE_ECC_ENABLE_MASK);
- seq_printf(m, "bus speed\t: %dMHz\n",
- (val1 == PPC7D_CPLD_MB_TYPE_PLL_133) ? 133 :
- (val1 == PPC7D_CPLD_MB_TYPE_PLL_100) ? 100 :
- (val1 == PPC7D_CPLD_MB_TYPE_PLL_64) ? 64 : 0);
-
- val = inb(PPC7D_CPLD_MEM_CONFIG);
- if (val & PPC7D_CPLD_SDRAM_BANK_NUM_MASK) sdram_num_banks--;
-
- val = inb(PPC7D_CPLD_MEM_CONFIG_EXTEND);
- val1 = (val & PPC7D_CPLD_SDRAM_BANK_SIZE_MASK) >> 6;
- seq_printf(m, "SDRAM\t\t: %d banks of %d%c, total %d%c",
- sdram_num_banks,
- sdram_bank_sizes[val1],
- (sdram_bank_sizes[val1] < 128) ? 'G' : 'M',
- sdram_num_banks * sdram_bank_sizes[val1],
- (sdram_bank_sizes[val1] < 128) ? 'G' : 'M');
- if (val2 & PPC7D_CPLD_MB_TYPE_ECC_FITTED_MASK) {
- seq_printf(m, " [ECC %sabled]",
- (val2 & PPC7D_CPLD_MB_TYPE_ECC_ENABLE_MASK) ? "en" :
- "dis");
- }
- seq_printf(m, "\n");
-
- val1 = (val & PPC7D_CPLD_FLASH_DEV_SIZE_MASK);
- val2 = (val & PPC7D_CPLD_FLASH_BANK_NUM_MASK) >> 2;
- seq_printf(m, "FLASH\t\t: %d banks of %dM, total %dM\n",
- flash_banks[val2], flash_sizes[val1],
- flash_banks[val2] * flash_sizes[val1]);
-
- val = inb(PPC7D_CPLD_FLASH_WRITE_CNTL);
- val1 = inb(PPC7D_CPLD_SW_FLASH_WRITE_PROTECT);
- seq_printf(m, " write links\t: %s%s%s%s\n",
- (val & PPD7D_CPLD_FLASH_CNTL_WR_LINK_MASK) ? "WRITE " : "",
- (val & PPD7D_CPLD_FLASH_CNTL_BOOT_LINK_MASK) ? "BOOT " : "",
- (val & PPD7D_CPLD_FLASH_CNTL_USER_LINK_MASK) ? "USER " : "",
- (val & (PPD7D_CPLD_FLASH_CNTL_WR_LINK_MASK |
- PPD7D_CPLD_FLASH_CNTL_BOOT_LINK_MASK |
- PPD7D_CPLD_FLASH_CNTL_USER_LINK_MASK)) ==
- 0 ? "NONE" : "");
- seq_printf(m, " write sector h/w enables: %s%s%s%s%s\n",
- (val & PPD7D_CPLD_FLASH_CNTL_RECO_WR_MASK) ? "RECOVERY " :
- "",
- (val & PPD7D_CPLD_FLASH_CNTL_BOOT_WR_MASK) ? "BOOT " : "",
- (val & PPD7D_CPLD_FLASH_CNTL_USER_WR_MASK) ? "USER " : "",
- (val1 & PPC7D_CPLD_FLASH_CNTL_NVRAM_PROT_MASK) ? "NVRAM " :
- "",
- (((val &
- (PPD7D_CPLD_FLASH_CNTL_RECO_WR_MASK |
- PPD7D_CPLD_FLASH_CNTL_BOOT_WR_MASK |
- PPD7D_CPLD_FLASH_CNTL_BOOT_WR_MASK)) == 0)
- && ((val1 & PPC7D_CPLD_FLASH_CNTL_NVRAM_PROT_MASK) ==
- 0)) ? "NONE" : "");
- val1 =
- inb(PPC7D_CPLD_SW_FLASH_WRITE_PROTECT) &
- (PPC7D_CPLD_SW_FLASH_WRPROT_SYSBOOT_MASK |
- PPC7D_CPLD_SW_FLASH_WRPROT_USER_MASK);
- seq_printf(m, " software sector enables: %s%s%s\n",
- (val1 & PPC7D_CPLD_SW_FLASH_WRPROT_SYSBOOT_MASK) ? "SYSBOOT "
- : "",
- (val1 & PPC7D_CPLD_SW_FLASH_WRPROT_USER_MASK) ? "USER " : "",
- (val1 == 0) ? "NONE " : "");
-
- seq_printf(m, "Boot options\t: %s%s%s%s\n",
- (val & PPC7D_CPLD_FLASH_CNTL_ALTBOOT_LINK_MASK) ?
- "ALTERNATE " : "",
- (val & PPC7D_CPLD_FLASH_CNTL_VMEBOOT_LINK_MASK) ? "VME " :
- "",
- (val & PPC7D_CPLD_FLASH_CNTL_RECBOOT_LINK_MASK) ? "RECOVERY "
- : "",
- ((val &
- (PPC7D_CPLD_FLASH_CNTL_ALTBOOT_LINK_MASK |
- PPC7D_CPLD_FLASH_CNTL_VMEBOOT_LINK_MASK |
- PPC7D_CPLD_FLASH_CNTL_RECBOOT_LINK_MASK)) ==
- 0) ? "NONE" : "");
-
- val = inb(PPC7D_CPLD_EQUIPMENT_PRESENT_1);
- seq_printf(m, "Fitted modules\t: %s%s%s%s\n",
- (val & PPC7D_CPLD_EQPT_PRES_1_PMC1_MASK) ? "" : "PMC1 ",
- (val & PPC7D_CPLD_EQPT_PRES_1_PMC2_MASK) ? "" : "PMC2 ",
- (val & PPC7D_CPLD_EQPT_PRES_1_AFIX_MASK) ? "AFIX " : "",
- ((val & (PPC7D_CPLD_EQPT_PRES_1_PMC1_MASK |
- PPC7D_CPLD_EQPT_PRES_1_PMC2_MASK |
- PPC7D_CPLD_EQPT_PRES_1_AFIX_MASK)) ==
- (PPC7D_CPLD_EQPT_PRES_1_PMC1_MASK |
- PPC7D_CPLD_EQPT_PRES_1_PMC2_MASK)) ? "NONE" : "");
-
- if (val & PPC7D_CPLD_EQPT_PRES_1_AFIX_MASK) {
- static const char *ids[] = {
- "unknown",
- "1553 (Dual Channel)",
- "1553 (Single Channel)",
- "8-bit SCSI + VGA",
- "16-bit SCSI + VGA",
- "1553 (Single Channel with sideband)",
- "1553 (Dual Channel with sideband)",
- NULL
- };
- u8 id = __raw_readb((void *)PPC7D_AFIX_REG_BASE + 0x03);
- seq_printf(m, "AFIX module\t: 0x%hx [%s]\n", id,
- id < 7 ? ids[id] : "unknown");
- }
-
- val = inb(PPC7D_CPLD_PCI_CONFIG);
- val1 = (val & PPC7D_CPLD_PCI_CONFIG_PCI0_MASK) >> 4;
- val2 = (val & PPC7D_CPLD_PCI_CONFIG_PCI1_MASK);
- seq_printf(m, "PCI#0\t\t: %s\nPCI#1\t\t: %s\n",
- pci_modes[val1], pci_modes[val2]);
-
- val = inb(PPC7D_CPLD_EQUIPMENT_PRESENT_2);
- seq_printf(m, "PMC1\t\t: %s\nPMC2\t\t: %s\n",
- (val & PPC7D_CPLD_EQPT_PRES_3_PMC1_V_MASK) ? "3.3v" : "5v",
- (val & PPC7D_CPLD_EQPT_PRES_3_PMC2_V_MASK) ? "3.3v" : "5v");
- seq_printf(m, "PMC power source: %s\n",
- (val & PPC7D_CPLD_EQPT_PRES_3_PMC_POWER_MASK) ? "VME" :
- "internal");
-
- val = inb(PPC7D_CPLD_EQUIPMENT_PRESENT_4);
- val2 = inb(PPC7D_CPLD_EQUIPMENT_PRESENT_2);
- seq_printf(m, "Fit options\t: %s%s%s%s%s%s%s\n",
- (val & PPC7D_CPLD_EQPT_PRES_4_LPT_MASK) ? "LPT " : "",
- (val & PPC7D_CPLD_EQPT_PRES_4_PS2_FITTED) ? "PS2 " : "",
- (val & PPC7D_CPLD_EQPT_PRES_4_USB2_FITTED) ? "USB2 " : "",
- (val2 & PPC7D_CPLD_EQPT_PRES_2_UNIVERSE_MASK) ? "VME " : "",
- (val2 & PPC7D_CPLD_EQPT_PRES_2_COM36_MASK) ? "COM3-6 " : "",
- (val2 & PPC7D_CPLD_EQPT_PRES_2_GIGE_MASK) ? "eth0 " : "",
- (val2 & PPC7D_CPLD_EQPT_PRES_2_DUALGIGE_MASK) ? "eth1 " :
- "");
-
- val = inb(PPC7D_CPLD_ID_LINK);
- val1 = val & (PPC7D_CPLD_ID_LINK_E6_MASK |
- PPC7D_CPLD_ID_LINK_E7_MASK |
- PPC7D_CPLD_ID_LINK_E12_MASK |
- PPC7D_CPLD_ID_LINK_E13_MASK);
-
- val = inb(PPC7D_CPLD_FLASH_WRITE_CNTL) &
- (PPD7D_CPLD_FLASH_CNTL_WR_LINK_MASK |
- PPD7D_CPLD_FLASH_CNTL_BOOT_LINK_MASK |
- PPD7D_CPLD_FLASH_CNTL_USER_LINK_MASK);
-
- seq_printf(m, "Board links present: %s%s%s%s%s%s%s%s\n",
- (val1 & PPC7D_CPLD_ID_LINK_E6_MASK) ? "E6 " : "",
- (val1 & PPC7D_CPLD_ID_LINK_E7_MASK) ? "E7 " : "",
- (val & PPD7D_CPLD_FLASH_CNTL_WR_LINK_MASK) ? "E9 " : "",
- (val & PPD7D_CPLD_FLASH_CNTL_BOOT_LINK_MASK) ? "E10 " : "",
- (val & PPD7D_CPLD_FLASH_CNTL_USER_LINK_MASK) ? "E11 " : "",
- (val1 & PPC7D_CPLD_ID_LINK_E12_MASK) ? "E12 " : "",
- (val1 & PPC7D_CPLD_ID_LINK_E13_MASK) ? "E13 " : "",
- ((val == 0) && (val1 == 0)) ? "NONE" : "");
-
- val = inb(PPC7D_CPLD_WDOG_RESETSW_MASK);
- seq_printf(m, "Front panel reset switch: %sabled\n",
- (val & PPC7D_CPLD_WDOG_RESETSW_MASK) ? "dis" : "en");
-
- return 0;
-}
-
-static void __init ppc7d_calibrate_decr(void)
-{
- ulong freq;
-
- freq = 100000000 / 4;
-
- pr_debug("time_init: decrementer frequency = %lu.%.6lu MHz\n",
- freq / 1000000, freq % 1000000);
-
- tb_ticks_per_jiffy = freq / HZ;
- tb_to_us = mulhwu_scale_factor(freq, 1000000);
-}
-
-/*****************************************************************************
- * Interrupt stuff
- *****************************************************************************/
-
-static irqreturn_t ppc7d_i8259_intr(int irq, void *dev_id)
-{
- u32 temp = mv64x60_read(&bh, MV64x60_GPP_INTR_CAUSE);
- if (temp & (1 << 28)) {
- i8259_irq();
- mv64x60_write(&bh, MV64x60_GPP_INTR_CAUSE, temp & (~(1 << 28)));
- return IRQ_HANDLED;
- }
-
- return IRQ_NONE;
-}
-
-/*
- * Each interrupt cause is assigned an IRQ number.
- * Southbridge has 16*2 (two 8259's) interrupts.
- * Discovery-II has 96 interrupts (cause-hi, cause-lo, gpp x 32).
- * If multiple interrupts are pending, get_irq() returns the
- * lowest pending irq number first.
- *
- *
- * IRQ # Source Trig Active
- * =============================================================
- *
- * Southbridge
- * -----------
- * IRQ # Source Trig
- * =============================================================
- * 0 ISA High Resolution Counter Edge
- * 1 Keyboard Edge
- * 2 Cascade From (IRQ 8-15) Edge
- * 3 Com 2 (Uart 2) Edge
- * 4 Com 1 (Uart 1) Edge
- * 5 PCI Int D/AFIX IRQZ ID4 (2,7) Level
- * 6 GPIO Level
- * 7 LPT Edge
- * 8 RTC Alarm Edge
- * 9 PCI Int A/PMC 2/AFIX IRQW ID1 (2,0) Level
- * 10 PCI Int B/PMC 1/AFIX IRQX ID2 (2,1) Level
- * 11 USB2 Level
- * 12 Mouse Edge
- * 13 Reserved internally by Ali M1535+
- * 14 PCI Int C/VME/AFIX IRQY ID3 (2,6) Level
- * 15 COM 5/6 Level
- *
- * 16..112 Discovery-II...
- *
- * MPP28 Southbridge Edge High
- *
- *
- * Interrupts are cascaded through to the Discovery-II.
- *
- * PCI ---
- * \
- * CPLD --> ALI1535 -------> DISCOVERY-II
- * INTF MPP28
- */
-static void __init ppc7d_init_irq(void)
-{
- int irq;
-
- pr_debug("%s\n", __func__);
- i8259_init(0, 0);
- mv64360_init_irq();
-
- /* IRQs 5,6,9,10,11,14,15 are level sensitive */
- irq_desc[5].status |= IRQ_LEVEL;
- irq_desc[6].status |= IRQ_LEVEL;
- irq_desc[9].status |= IRQ_LEVEL;
- irq_desc[10].status |= IRQ_LEVEL;
- irq_desc[11].status |= IRQ_LEVEL;
- irq_desc[14].status |= IRQ_LEVEL;
- irq_desc[15].status |= IRQ_LEVEL;
-
- /* GPP28 is edge triggered */
- irq_desc[mv64360_irq_base + MV64x60_IRQ_GPP28].status &= ~IRQ_LEVEL;
-}
-
-static u32 ppc7d_irq_canonicalize(u32 irq)
-{
- if ((irq >= 16) && (irq < (16 + 96)))
- irq -= 16;
-
- return irq;
-}
-
-static int ppc7d_get_irq(void)
-{
- int irq;
-
- irq = mv64360_get_irq();
- if (irq == (mv64360_irq_base + MV64x60_IRQ_GPP28))
- irq = i8259_irq();
- return irq;
-}
-
-/*
- * 9 PCI Int A/PMC 2/AFIX IRQW ID1 (2,0) Level
- * 10 PCI Int B/PMC 1/AFIX IRQX ID2 (2,1) Level
- * 14 PCI Int C/VME/AFIX IRQY ID3 (2,6) Level
- * 5 PCI Int D/AFIX IRQZ ID4 (2,7) Level
- */
-static int __init ppc7d_map_irq(struct pci_dev *dev, unsigned char idsel,
- unsigned char pin)
-{
- static const char pci_irq_table[][4] =
- /*
- * PCI IDSEL/INTPIN->INTLINE
- * A B C D
- */
- {
- {10, 14, 5, 9}, /* IDSEL 10 - PMC2 / AFIX IRQW */
- {9, 10, 14, 5}, /* IDSEL 11 - PMC1 / AFIX IRQX */
- {5, 9, 10, 14}, /* IDSEL 12 - AFIX IRQY */
- {14, 5, 9, 10}, /* IDSEL 13 - AFIX IRQZ */
- };
- const long min_idsel = 10, max_idsel = 14, irqs_per_slot = 4;
-
- pr_debug("%s: %04x/%04x/%x: idsel=%hx pin=%hu\n", __func__,
- dev->vendor, dev->device, PCI_FUNC(dev->devfn), idsel, pin);
-
- return PCI_IRQ_TABLE_LOOKUP;
-}
-
-void __init ppc7d_intr_setup(void)
-{
- u32 data;
-
- /*
- * Define GPP 28 interrupt polarity as active high
- * input signal and level triggered
- */
- data = mv64x60_read(&bh, MV64x60_GPP_LEVEL_CNTL);
- data &= ~(1 << 28);
- mv64x60_write(&bh, MV64x60_GPP_LEVEL_CNTL, data);
- data = mv64x60_read(&bh, MV64x60_GPP_IO_CNTL);
- data &= ~(1 << 28);
- mv64x60_write(&bh, MV64x60_GPP_IO_CNTL, data);
-
- /* Config GPP intr ctlr to respond to level trigger */
- data = mv64x60_read(&bh, MV64x60_COMM_ARBITER_CNTL);
- data |= (1 << 10);
- mv64x60_write(&bh, MV64x60_COMM_ARBITER_CNTL, data);
-
- /* XXXX Erranum FEr PCI-#8 */
- data = mv64x60_read(&bh, MV64x60_PCI0_CMD);
- data &= ~((1 << 5) | (1 << 9));
- mv64x60_write(&bh, MV64x60_PCI0_CMD, data);
- data = mv64x60_read(&bh, MV64x60_PCI1_CMD);
- data &= ~((1 << 5) | (1 << 9));
- mv64x60_write(&bh, MV64x60_PCI1_CMD, data);
-
- /*
- * Dismiss and then enable interrupt on GPP interrupt cause
- * for CPU #0
- */
- mv64x60_write(&bh, MV64x60_GPP_INTR_CAUSE, ~(1 << 28));
- data = mv64x60_read(&bh, MV64x60_GPP_INTR_MASK);
- data |= (1 << 28);
- mv64x60_write(&bh, MV64x60_GPP_INTR_MASK, data);
-
- /*
- * Dismiss and then enable interrupt on CPU #0 high cause reg
- * BIT27 summarizes GPP interrupts 23-31
- */
- mv64x60_write(&bh, MV64360_IC_MAIN_CAUSE_HI, ~(1 << 27));
- data = mv64x60_read(&bh, MV64360_IC_CPU0_INTR_MASK_HI);
- data |= (1 << 27);
- mv64x60_write(&bh, MV64360_IC_CPU0_INTR_MASK_HI, data);
-}
-
-/*****************************************************************************
- * Platform device data fixup routines.
- *****************************************************************************/
-
-#if defined(CONFIG_SERIAL_MPSC)
-static void __init ppc7d_fixup_mpsc_pdata(struct platform_device *pdev)
-{
- struct mpsc_pdata *pdata;
-
- pdata = (struct mpsc_pdata *)pdev->dev.platform_data;
-
- pdata->max_idle = 40;
- pdata->default_baud = PPC7D_DEFAULT_BAUD;
- pdata->brg_clk_src = PPC7D_MPSC_CLK_SRC;
- pdata->brg_clk_freq = PPC7D_MPSC_CLK_FREQ;
-
- return;
-}
-#endif
-
-#if defined(CONFIG_MV643XX_ETH)
-static void __init ppc7d_fixup_eth_pdata(struct platform_device *pdev)
-{
- struct mv643xx_eth_platform_data *eth_pd;
- static u16 phy_addr[] = {
- PPC7D_ETH0_PHY_ADDR,
- PPC7D_ETH1_PHY_ADDR,
- PPC7D_ETH2_PHY_ADDR,
- };
- int i;
-
- eth_pd = pdev->dev.platform_data;
- eth_pd->force_phy_addr = 1;
- eth_pd->phy_addr = phy_addr[pdev->id];
- eth_pd->tx_queue_size = PPC7D_ETH_TX_QUEUE_SIZE;
- eth_pd->rx_queue_size = PPC7D_ETH_RX_QUEUE_SIZE;
-
- /* Adjust IRQ by mv64360_irq_base */
- for (i = 0; i < pdev->num_resources; i++) {
- struct resource *r = &pdev->resource[i];
-
- if (r->flags & IORESOURCE_IRQ) {
- r->start += mv64360_irq_base;
- r->end += mv64360_irq_base;
- pr_debug("%s, uses IRQ %d\n", pdev->name,
- (int)r->start);
- }
- }
-
-}
-#endif
-
-#if defined(CONFIG_I2C_MV64XXX)
-static void __init
-ppc7d_fixup_i2c_pdata(struct platform_device *pdev)
-{
- struct mv64xxx_i2c_pdata *pdata;
- int i;
-
- pdata = pdev->dev.platform_data;
- if (pdata == NULL) {
- pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
- if (pdata == NULL)
- return;
-
- pdev->dev.platform_data = pdata;
- }
-
- /* divisors M=8, N=3 for 100kHz I2C from 133MHz system clock */
- pdata->freq_m = 8;
- pdata->freq_n = 3;
- pdata->timeout = 500;
- pdata->retries = 3;
-
- /* Adjust IRQ by mv64360_irq_base */
- for (i = 0; i < pdev->num_resources; i++) {
- struct resource *r = &pdev->resource[i];
-
- if (r->flags & IORESOURCE_IRQ) {
- r->start += mv64360_irq_base;
- r->end += mv64360_irq_base;
- pr_debug("%s, uses IRQ %d\n", pdev->name, (int) r->start);
- }
- }
-}
-#endif
-
-static int ppc7d_platform_notify(struct device *dev)
-{
- static struct {
- char *bus_id;
- void ((*rtn) (struct platform_device * pdev));
- } dev_map[] = {
-#if defined(CONFIG_SERIAL_MPSC)
- { MPSC_CTLR_NAME ".0", ppc7d_fixup_mpsc_pdata },
- { MPSC_CTLR_NAME ".1", ppc7d_fixup_mpsc_pdata },
-#endif
-#if defined(CONFIG_MV643XX_ETH)
- { MV643XX_ETH_NAME ".0", ppc7d_fixup_eth_pdata },
- { MV643XX_ETH_NAME ".1", ppc7d_fixup_eth_pdata },
- { MV643XX_ETH_NAME ".2", ppc7d_fixup_eth_pdata },
-#endif
-#if defined(CONFIG_I2C_MV64XXX)
- { MV64XXX_I2C_CTLR_NAME ".0", ppc7d_fixup_i2c_pdata },
-#endif
- };
- struct platform_device *pdev;
- int i;
-
- if (dev && dev->bus_id)
- for (i = 0; i < ARRAY_SIZE(dev_map); i++)
- if (!strncmp(dev->bus_id, dev_map[i].bus_id,
- BUS_ID_SIZE)) {
-
- pdev = container_of(dev,
- struct platform_device,
- dev);
- dev_map[i].rtn(pdev);
- }
-
- return 0;
-}
-
-/*****************************************************************************
- * PCI device fixups.
- * These aren't really fixups per se. They are used to init devices as they
- * are found during PCI scan.
- *
- * The PPC7D has an HB8 PCI-X bridge which must be set up during a PCI
- * scan in order to find other devices on its secondary side.
- *****************************************************************************/
-
-static void __init ppc7d_fixup_hb8(struct pci_dev *dev)
-{
- u16 val16;
-
- if (dev->bus->number == 0) {
- pr_debug("PCI: HB8 init\n");
-
- pci_write_config_byte(dev, 0x1c,
- ((PPC7D_PCI0_IO_START_PCI_ADDR & 0xf000)
- >> 8) | 0x01);
- pci_write_config_byte(dev, 0x1d,
- (((PPC7D_PCI0_IO_START_PCI_ADDR +
- PPC7D_PCI0_IO_SIZE -
- 1) & 0xf000) >> 8) | 0x01);
- pci_write_config_word(dev, 0x30,
- PPC7D_PCI0_IO_START_PCI_ADDR >> 16);
- pci_write_config_word(dev, 0x32,
- ((PPC7D_PCI0_IO_START_PCI_ADDR +
- PPC7D_PCI0_IO_SIZE -
- 1) >> 16) & 0xffff);
-
- pci_write_config_word(dev, 0x20,
- PPC7D_PCI0_MEM0_START_PCI_LO_ADDR >> 16);
- pci_write_config_word(dev, 0x22,
- ((PPC7D_PCI0_MEM0_START_PCI_LO_ADDR +
- PPC7D_PCI0_MEM0_SIZE -
- 1) >> 16) & 0xffff);
- pci_write_config_word(dev, 0x24, 0);
- pci_write_config_word(dev, 0x26, 0);
- pci_write_config_dword(dev, 0x28, 0);
- pci_write_config_dword(dev, 0x2c, 0);
-
- pci_read_config_word(dev, 0x3e, &val16);
- val16 |= ((1 << 5) | (1 << 1)); /* signal master aborts and
- * SERR to primary
- */
- val16 &= ~(1 << 2); /* ISA disable, so all ISA
- * ports forwarded to secondary
- */
- pci_write_config_word(dev, 0x3e, val16);
- }
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_HINT, 0x0028, ppc7d_fixup_hb8);
-
-/* This should perhaps be a separate driver as we're actually initializing
- * the chip for this board here. It's hardly a fixup...
- */
-static void __init ppc7d_fixup_ali1535(struct pci_dev *dev)
-{
- pr_debug("PCI: ALI1535 init\n");
-
- if (dev->bus->number == 1) {
- /* Configure the ISA Port Settings */
- pci_write_config_byte(dev, 0x43, 0x00);
-
- /* Disable PCI Interrupt polling mode */
- pci_write_config_byte(dev, 0x45, 0x00);
-
- /* Multifunction pin select INTFJ -> INTF */
- pci_write_config_byte(dev, 0x78, 0x00);
-
- /* Set PCI INT -> IRQ Routing control in for external
- * pins south bridge.
- */
- pci_write_config_byte(dev, 0x48, 0x31); /* [7-4] INT B -> IRQ10
- * [3-0] INT A -> IRQ9
- */
- pci_write_config_byte(dev, 0x49, 0x5D); /* [7-4] INT D -> IRQ5
- * [3-0] INT C -> IRQ14
- */
-
- /* PPC7D setup */
- /* NEC USB device on IRQ 11 (INTE) - INTF disabled */
- pci_write_config_byte(dev, 0x4A, 0x09);
-
- /* GPIO on IRQ 6 */
- pci_write_config_byte(dev, 0x76, 0x07);
-
- /* SIRQ I (COMS 5/6) use IRQ line 15.
- * Positive (not subtractive) address decode.
- */
- pci_write_config_byte(dev, 0x44, 0x0f);
-
- /* SIRQ II disabled */
- pci_write_config_byte(dev, 0x75, 0x0);
-
- /* On board USB and RTC disabled */
- pci_write_config_word(dev, 0x52, (1 << 14));
- pci_write_config_byte(dev, 0x74, 0x00);
-
- /* On board IDE disabled */
- pci_write_config_byte(dev, 0x58, 0x00);
-
- /* Decode 32-bit addresses */
- pci_write_config_byte(dev, 0x5b, 0);
-
- /* Disable docking IO */
- pci_write_config_word(dev, 0x5c, 0x0000);
-
- /* Disable modem, enable sound */
- pci_write_config_byte(dev, 0x77, (1 << 6));
-
- /* Disable hot-docking mode */
- pci_write_config_byte(dev, 0x7d, 0x00);
- }
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1533, ppc7d_fixup_ali1535);
-
-static int ppc7d_pci_exclude_device(u8 bus, u8 devfn)
-{
- /* Early versions of this board were fitted with IBM ALMA
- * PCI-VME bridge chips. The PCI config space of these devices
- * was not set up correctly and causes PCI scan problems.
- */
- if ((bus == 1) && (PCI_SLOT(devfn) == 4) && ppc7d_has_alma)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- return mv64x60_pci_exclude_device(bus, devfn);
-}
-
-/* This hook is called when each PCI bus is probed.
- */
-static void ppc7d_pci_fixup_bus(struct pci_bus *bus)
-{
- pr_debug("PCI BUS %hu: %lx/%lx %lx/%lx %lx/%lx %lx/%lx\n",
- bus->number,
- bus->resource[0] ? bus->resource[0]->start : 0,
- bus->resource[0] ? bus->resource[0]->end : 0,
- bus->resource[1] ? bus->resource[1]->start : 0,
- bus->resource[1] ? bus->resource[1]->end : 0,
- bus->resource[2] ? bus->resource[2]->start : 0,
- bus->resource[2] ? bus->resource[2]->end : 0,
- bus->resource[3] ? bus->resource[3]->start : 0,
- bus->resource[3] ? bus->resource[3]->end : 0);
-
- if ((bus->number == 1) && (bus->resource[2] != NULL)) {
- /* Hide PCI window 2 of Bus 1 which is used only to
- * map legacy ISA memory space.
- */
- bus->resource[2]->start = 0;
- bus->resource[2]->end = 0;
- bus->resource[2]->flags = 0;
- }
-}
-
-/*****************************************************************************
- * Board device setup code
- *****************************************************************************/
-
-void __init ppc7d_setup_peripherals(void)
-{
- u32 val32;
-
- /* Set up windows for boot CS */
- mv64x60_set_32bit_window(&bh, MV64x60_CPU2BOOT_WIN,
- PPC7D_BOOT_WINDOW_BASE, PPC7D_BOOT_WINDOW_SIZE,
- 0);
- bh.ci->enable_window_32bit(&bh, MV64x60_CPU2BOOT_WIN);
-
- /* Boot firmware configures the following DevCS addresses.
- * DevCS0 - board control/status
- * DevCS1 - test registers
- * DevCS2 - AFIX port/address registers (for identifying)
- * DevCS3 - FLASH
- *
- * We don't use DevCS0, DevCS1.
- */
- val32 = mv64x60_read(&bh, MV64360_CPU_BAR_ENABLE);
- val32 |= ((1 << 4) | (1 << 5));
- mv64x60_write(&bh, MV64360_CPU_BAR_ENABLE, val32);
- mv64x60_write(&bh, MV64x60_CPU2DEV_0_BASE, 0);
- mv64x60_write(&bh, MV64x60_CPU2DEV_0_SIZE, 0);
- mv64x60_write(&bh, MV64x60_CPU2DEV_1_BASE, 0);
- mv64x60_write(&bh, MV64x60_CPU2DEV_1_SIZE, 0);
-
- mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_2_WIN,
- PPC7D_AFIX_REG_BASE, PPC7D_AFIX_REG_SIZE, 0);
- bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_2_WIN);
-
- mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_3_WIN,
- PPC7D_FLASH_BASE, PPC7D_FLASH_SIZE_ACTUAL, 0);
- bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_3_WIN);
-
- mv64x60_set_32bit_window(&bh, MV64x60_CPU2SRAM_WIN,
- PPC7D_INTERNAL_SRAM_BASE, MV64360_SRAM_SIZE,
- 0);
- bh.ci->enable_window_32bit(&bh, MV64x60_CPU2SRAM_WIN);
-
- /* Set up Enet->SRAM window */
- mv64x60_set_32bit_window(&bh, MV64x60_ENET2MEM_4_WIN,
- PPC7D_INTERNAL_SRAM_BASE, MV64360_SRAM_SIZE,
- 0x2);
- bh.ci->enable_window_32bit(&bh, MV64x60_ENET2MEM_4_WIN);
-
- /* Give enet r/w access to memory region */
- val32 = mv64x60_read(&bh, MV64360_ENET2MEM_ACC_PROT_0);
- val32 |= (0x3 << (4 << 1));
- mv64x60_write(&bh, MV64360_ENET2MEM_ACC_PROT_0, val32);
- val32 = mv64x60_read(&bh, MV64360_ENET2MEM_ACC_PROT_1);
- val32 |= (0x3 << (4 << 1));
- mv64x60_write(&bh, MV64360_ENET2MEM_ACC_PROT_1, val32);
- val32 = mv64x60_read(&bh, MV64360_ENET2MEM_ACC_PROT_2);
- val32 |= (0x3 << (4 << 1));
- mv64x60_write(&bh, MV64360_ENET2MEM_ACC_PROT_2, val32);
-
- val32 = mv64x60_read(&bh, MV64x60_TIMR_CNTR_0_3_CNTL);
- val32 &= ~((1 << 0) | (1 << 8) | (1 << 16) | (1 << 24));
- mv64x60_write(&bh, MV64x60_TIMR_CNTR_0_3_CNTL, val32);
-
- /* Enumerate pci bus.
- *
- * We scan PCI#0 first (the bus with the HB8 and other
- * on-board peripherals). We must configure the 64360 before
- * each scan, according to the bus number assignments. Busses
- * are assigned incrementally, starting at 0. PCI#0 is
- * usually assigned bus#0, the secondary side of the HB8 gets
- * bus#1 and PCI#1 (second PMC site) gets bus#2. However, if
- * any PMC card has a PCI bridge, these bus assignments will
- * change.
- */
-
- /* Turn off PCI retries */
- val32 = mv64x60_read(&bh, MV64x60_CPU_CONFIG);
- val32 |= (1 << 17);
- mv64x60_write(&bh, MV64x60_CPU_CONFIG, val32);
-
- /* Scan PCI#0 */
- mv64x60_set_bus(&bh, 0, 0);
- bh.hose_a->first_busno = 0;
- bh.hose_a->last_busno = 0xff;
- bh.hose_a->last_busno = pciauto_bus_scan(bh.hose_a, 0);
- printk(KERN_INFO "PCI#0: first=%d last=%d\n",
- bh.hose_a->first_busno, bh.hose_a->last_busno);
-
- /* Scan PCI#1 */
- bh.hose_b->first_busno = bh.hose_a->last_busno + 1;
- mv64x60_set_bus(&bh, 1, bh.hose_b->first_busno);
- bh.hose_b->last_busno = 0xff;
- bh.hose_b->last_busno = pciauto_bus_scan(bh.hose_b,
- bh.hose_b->first_busno);
- printk(KERN_INFO "PCI#1: first=%d last=%d\n",
- bh.hose_b->first_busno, bh.hose_b->last_busno);
-
- /* Turn on PCI retries */
- val32 = mv64x60_read(&bh, MV64x60_CPU_CONFIG);
- val32 &= ~(1 << 17);
- mv64x60_write(&bh, MV64x60_CPU_CONFIG, val32);
-
- /* Setup interrupts */
- ppc7d_intr_setup();
-}
-
-static void __init ppc7d_setup_bridge(void)
-{
- struct mv64x60_setup_info si;
- int i;
- u32 temp;
-
- mv64360_irq_base = 16; /* first 16 intrs are 2 x 8259's */
-
- memset(&si, 0, sizeof(si));
-
- si.phys_reg_base = CONFIG_MV64X60_NEW_BASE;
-
- si.pci_0.enable_bus = 1;
- si.pci_0.pci_io.cpu_base = PPC7D_PCI0_IO_START_PROC_ADDR;
- si.pci_0.pci_io.pci_base_hi = 0;
- si.pci_0.pci_io.pci_base_lo = PPC7D_PCI0_IO_START_PCI_ADDR;
- si.pci_0.pci_io.size = PPC7D_PCI0_IO_SIZE;
- si.pci_0.pci_io.swap = MV64x60_CPU2PCI_SWAP_NONE;
- si.pci_0.pci_mem[0].cpu_base = PPC7D_PCI0_MEM0_START_PROC_ADDR;
- si.pci_0.pci_mem[0].pci_base_hi = PPC7D_PCI0_MEM0_START_PCI_HI_ADDR;
- si.pci_0.pci_mem[0].pci_base_lo = PPC7D_PCI0_MEM0_START_PCI_LO_ADDR;
- si.pci_0.pci_mem[0].size = PPC7D_PCI0_MEM0_SIZE;
- si.pci_0.pci_mem[0].swap = MV64x60_CPU2PCI_SWAP_NONE;
- si.pci_0.pci_mem[1].cpu_base = PPC7D_PCI0_MEM1_START_PROC_ADDR;
- si.pci_0.pci_mem[1].pci_base_hi = PPC7D_PCI0_MEM1_START_PCI_HI_ADDR;
- si.pci_0.pci_mem[1].pci_base_lo = PPC7D_PCI0_MEM1_START_PCI_LO_ADDR;
- si.pci_0.pci_mem[1].size = PPC7D_PCI0_MEM1_SIZE;
- si.pci_0.pci_mem[1].swap = MV64x60_CPU2PCI_SWAP_NONE;
- si.pci_0.pci_cmd_bits = 0;
- si.pci_0.latency_timer = 0x80;
-
- si.pci_1.enable_bus = 1;
- si.pci_1.pci_io.cpu_base = PPC7D_PCI1_IO_START_PROC_ADDR;
- si.pci_1.pci_io.pci_base_hi = 0;
- si.pci_1.pci_io.pci_base_lo = PPC7D_PCI1_IO_START_PCI_ADDR;
- si.pci_1.pci_io.size = PPC7D_PCI1_IO_SIZE;
- si.pci_1.pci_io.swap = MV64x60_CPU2PCI_SWAP_NONE;
- si.pci_1.pci_mem[0].cpu_base = PPC7D_PCI1_MEM0_START_PROC_ADDR;
- si.pci_1.pci_mem[0].pci_base_hi = PPC7D_PCI1_MEM0_START_PCI_HI_ADDR;
- si.pci_1.pci_mem[0].pci_base_lo = PPC7D_PCI1_MEM0_START_PCI_LO_ADDR;
- si.pci_1.pci_mem[0].size = PPC7D_PCI1_MEM0_SIZE;
- si.pci_1.pci_mem[0].swap = MV64x60_CPU2PCI_SWAP_NONE;
- si.pci_1.pci_mem[1].cpu_base = PPC7D_PCI1_MEM1_START_PROC_ADDR;
- si.pci_1.pci_mem[1].pci_base_hi = PPC7D_PCI1_MEM1_START_PCI_HI_ADDR;
- si.pci_1.pci_mem[1].pci_base_lo = PPC7D_PCI1_MEM1_START_PCI_LO_ADDR;
- si.pci_1.pci_mem[1].size = PPC7D_PCI1_MEM1_SIZE;
- si.pci_1.pci_mem[1].swap = MV64x60_CPU2PCI_SWAP_NONE;
- si.pci_1.pci_cmd_bits = 0;
- si.pci_1.latency_timer = 0x80;
-
- /* Don't clear the SRAM window since we use it for debug */
- si.window_preserve_mask_32_lo = (1 << MV64x60_CPU2SRAM_WIN);
-
- printk(KERN_INFO "PCI: MV64360 PCI#0 IO at %x, size %x\n",
- si.pci_0.pci_io.cpu_base, si.pci_0.pci_io.size);
- printk(KERN_INFO "PCI: MV64360 PCI#1 IO at %x, size %x\n",
- si.pci_1.pci_io.cpu_base, si.pci_1.pci_io.size);
-
- for (i = 0; i < MV64x60_CPU2MEM_WINDOWS; i++) {
-#if defined(CONFIG_NOT_COHERENT_CACHE)
- si.cpu_prot_options[i] = 0;
- si.enet_options[i] = MV64360_ENET2MEM_SNOOP_NONE;
- si.mpsc_options[i] = MV64360_MPSC2MEM_SNOOP_NONE;
- si.idma_options[i] = MV64360_IDMA2MEM_SNOOP_NONE;
-
- si.pci_0.acc_cntl_options[i] =
- MV64360_PCI_ACC_CNTL_SNOOP_NONE |
- MV64360_PCI_ACC_CNTL_SWAP_NONE |
- MV64360_PCI_ACC_CNTL_MBURST_128_BYTES |
- MV64360_PCI_ACC_CNTL_RDSIZE_256_BYTES;
-
- si.pci_1.acc_cntl_options[i] =
- MV64360_PCI_ACC_CNTL_SNOOP_NONE |
- MV64360_PCI_ACC_CNTL_SWAP_NONE |
- MV64360_PCI_ACC_CNTL_MBURST_128_BYTES |
- MV64360_PCI_ACC_CNTL_RDSIZE_256_BYTES;
-#else
- si.cpu_prot_options[i] = 0;
- /* All PPC7D hardware uses B0 or newer MV64360 silicon which
- * does not have snoop bugs.
- */
- si.enet_options[i] = MV64360_ENET2MEM_SNOOP_WB;
- si.mpsc_options[i] = MV64360_MPSC2MEM_SNOOP_WB;
- si.idma_options[i] = MV64360_IDMA2MEM_SNOOP_WB;
-
- si.pci_0.acc_cntl_options[i] =
- MV64360_PCI_ACC_CNTL_SNOOP_WB |
- MV64360_PCI_ACC_CNTL_SWAP_NONE |
- MV64360_PCI_ACC_CNTL_MBURST_32_BYTES |
- MV64360_PCI_ACC_CNTL_RDSIZE_32_BYTES;
-
- si.pci_1.acc_cntl_options[i] =
- MV64360_PCI_ACC_CNTL_SNOOP_WB |
- MV64360_PCI_ACC_CNTL_SWAP_NONE |
- MV64360_PCI_ACC_CNTL_MBURST_32_BYTES |
- MV64360_PCI_ACC_CNTL_RDSIZE_32_BYTES;
-#endif
- }
-
- /* Lookup PCI host bridges */
- if (mv64x60_init(&bh, &si))
- printk(KERN_ERR "MV64360 initialization failed.\n");
-
- pr_debug("MV64360 regs @ %lx/%p\n", bh.p_base, bh.v_base);
-
- /* Enable WB Cache coherency on SRAM */
- temp = mv64x60_read(&bh, MV64360_SRAM_CONFIG);
- pr_debug("SRAM_CONFIG: %x\n", temp);
-#if defined(CONFIG_NOT_COHERENT_CACHE)
- mv64x60_write(&bh, MV64360_SRAM_CONFIG, temp & ~0x2);
-#else
- mv64x60_write(&bh, MV64360_SRAM_CONFIG, temp | 0x2);
-#endif
- /* If system operates with internal bus arbiter (CPU master
- * control bit8) clear AACK Delay bit [25] in CPU
- * configuration register.
- */
- temp = mv64x60_read(&bh, MV64x60_CPU_MASTER_CNTL);
- if (temp & (1 << 8)) {
- temp = mv64x60_read(&bh, MV64x60_CPU_CONFIG);
- mv64x60_write(&bh, MV64x60_CPU_CONFIG, (temp & ~(1 << 25)));
- }
-
- /* Data and address parity is enabled */
- temp = mv64x60_read(&bh, MV64x60_CPU_CONFIG);
- mv64x60_write(&bh, MV64x60_CPU_CONFIG,
- (temp | (1 << 26) | (1 << 19)));
-
- pci_dram_offset = 0; /* sys mem at same addr on PCI & cpu bus */
- ppc_md.pci_swizzle = common_swizzle;
- ppc_md.pci_map_irq = ppc7d_map_irq;
- ppc_md.pci_exclude_device = ppc7d_pci_exclude_device;
-
- mv64x60_set_bus(&bh, 0, 0);
- bh.hose_a->first_busno = 0;
- bh.hose_a->last_busno = 0xff;
- bh.hose_a->mem_space.start = PPC7D_PCI0_MEM0_START_PCI_LO_ADDR;
- bh.hose_a->mem_space.end =
- PPC7D_PCI0_MEM0_START_PCI_LO_ADDR + PPC7D_PCI0_MEM0_SIZE;
-
- /* These will be set later, as a result of PCI0 scan */
- bh.hose_b->first_busno = 0;
- bh.hose_b->last_busno = 0xff;
- bh.hose_b->mem_space.start = PPC7D_PCI1_MEM0_START_PCI_LO_ADDR;
- bh.hose_b->mem_space.end =
- PPC7D_PCI1_MEM0_START_PCI_LO_ADDR + PPC7D_PCI1_MEM0_SIZE;
-
- pr_debug("MV64360: PCI#0 IO decode %08x/%08x IO remap %08x\n",
- mv64x60_read(&bh, 0x48), mv64x60_read(&bh, 0x50),
- mv64x60_read(&bh, 0xf0));
-}
-
-static void __init ppc7d_setup_arch(void)
-{
- int port;
-
- loops_per_jiffy = 100000000 / HZ;
-
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start)
- ROOT_DEV = Root_RAM0;
- else
-#endif
-#ifdef CONFIG_ROOT_NFS
- ROOT_DEV = Root_NFS;
-#else
- ROOT_DEV = Root_HDA1;
-#endif
-
- if ((cur_cpu_spec->cpu_features & CPU_FTR_SPEC7450) ||
- (cur_cpu_spec->cpu_features & CPU_FTR_L3CR))
- /* 745x is different. We only want to pass along enable. */
- _set_L2CR(L2CR_L2E);
- else if (cur_cpu_spec->cpu_features & CPU_FTR_L2CR)
- /* All modules have 1MB of L2. We also assume that an
- * L2 divisor of 3 will work.
- */
- _set_L2CR(L2CR_L2E | L2CR_L2SIZ_1MB | L2CR_L2CLK_DIV3
- | L2CR_L2RAM_PIPE | L2CR_L2OH_1_0 | L2CR_L2DF);
-
- if (cur_cpu_spec->cpu_features & CPU_FTR_L3CR)
- /* No L3 cache */
- _set_L3CR(0);
-
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
-
- /* Lookup PCI host bridges */
- if (ppc_md.progress)
- ppc_md.progress("ppc7d_setup_arch: calling setup_bridge", 0);
-
- ppc7d_setup_bridge();
- ppc7d_setup_peripherals();
-
- /* Disable ethernet. It might have been setup by the bootrom */
- for (port = 0; port < 3; port++)
- mv64x60_write(&bh, MV643XX_ETH_RECEIVE_QUEUE_COMMAND_REG(port),
- 0x0000ff00);
-
- /* Clear queue pointers to ensure they are all initialized,
- * otherwise since queues 1-7 are unused, they have random
- * pointers which look strange in register dumps. Don't bother
- * with queue 0 since it will be initialized later.
- */
- for (port = 0; port < 3; port++) {
- mv64x60_write(&bh,
- MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_1(port),
- 0x00000000);
- mv64x60_write(&bh,
- MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_2(port),
- 0x00000000);
- mv64x60_write(&bh,
- MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_3(port),
- 0x00000000);
- mv64x60_write(&bh,
- MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_4(port),
- 0x00000000);
- mv64x60_write(&bh,
- MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_5(port),
- 0x00000000);
- mv64x60_write(&bh,
- MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_6(port),
- 0x00000000);
- mv64x60_write(&bh,
- MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_7(port),
- 0x00000000);
- }
-
- printk(KERN_INFO "Radstone Technology PPC7D\n");
- if (ppc_md.progress)
- ppc_md.progress("ppc7d_setup_arch: exit", 0);
-
-}
-
-/* Real Time Clock support.
- * PPC7D has a DS1337 accessed by I2C.
- */
-static ulong ppc7d_get_rtc_time(void)
-{
- struct rtc_time tm;
- int result;
-
- spin_lock(&rtc_lock);
- result = ds1337_do_command(0, DS1337_GET_DATE, &tm);
- spin_unlock(&rtc_lock);
-
- if (result == 0)
- result = mktime(tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
-
- return result;
-}
-
-static int ppc7d_set_rtc_time(unsigned long nowtime)
-{
- struct rtc_time tm;
- int result;
-
- spin_lock(&rtc_lock);
- to_tm(nowtime, &tm);
- result = ds1337_do_command(0, DS1337_SET_DATE, &tm);
- spin_unlock(&rtc_lock);
-
- return result;
-}
-
-/* This kernel command line parameter can be used to have the target
- * wait for a JTAG debugger to attach. Of course, a JTAG debugger
- * with hardware breakpoint support can have the target stop at any
- * location during init, but this is a convenience feature that makes
- * it easier in the common case of loading the code using the ppcboot
- * bootloader..
- */
-static unsigned long ppc7d_wait_debugger;
-
-static int __init ppc7d_waitdbg(char *str)
-{
- ppc7d_wait_debugger = 1;
- return 1;
-}
-
-__setup("waitdbg", ppc7d_waitdbg);
-
-/* Second phase board init, called after other (architecture common)
- * low-level services have been initialized.
- */
-static void ppc7d_init2(void)
-{
- unsigned long flags;
- u32 data;
- u8 data8;
-
- pr_debug("%s: enter\n", __func__);
-
- /* Wait for debugger? */
- if (ppc7d_wait_debugger) {
- printk("Waiting for debugger...\n");
-
- while (readl(&ppc7d_wait_debugger)) ;
- }
-
- /* Hook up i8259 interrupt which is connected to GPP28 */
- request_irq(mv64360_irq_base + MV64x60_IRQ_GPP28, ppc7d_i8259_intr,
- IRQF_DISABLED, "I8259 (GPP28) interrupt", (void *)0);
-
- /* Configure MPP16 as watchdog NMI, MPP17 as watchdog WDE */
- spin_lock_irqsave(&mv64x60_lock, flags);
- data = mv64x60_read(&bh, MV64x60_MPP_CNTL_2);
- data &= ~(0x0000000f << 0);
- data |= (0x00000004 << 0);
- data &= ~(0x0000000f << 4);
- data |= (0x00000004 << 4);
- mv64x60_write(&bh, MV64x60_MPP_CNTL_2, data);
- spin_unlock_irqrestore(&mv64x60_lock, flags);
-
- /* All LEDs off */
- data8 = inb(PPC7D_CPLD_LEDS);
- data8 &= ~0x08;
- data8 |= 0x07;
- outb(data8, PPC7D_CPLD_LEDS);
-
- /* Hook up RTC. We couldn't do this earlier because we need the I2C subsystem */
- ppc_md.set_rtc_time = ppc7d_set_rtc_time;
- ppc_md.get_rtc_time = ppc7d_get_rtc_time;
-
- pr_debug("%s: exit\n", __func__);
-}
-
-/* Called from machine_init(), early, before any of the __init functions
- * have run. We must init software-configurable pins before other functions
- * such as interrupt controllers are initialised.
- */
-void __init platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7)
-{
- u8 val8;
- u8 rev_num;
-
- /* Map 0xe0000000-0xffffffff early because we need access to SRAM
- * and the ISA memory space (for serial port) here. This mapping
- * is redone properly in ppc7d_map_io() later.
- */
- mtspr(SPRN_DBAT3U, 0xe0003fff);
- mtspr(SPRN_DBAT3L, 0xe000002a);
-
- /*
- * Zero SRAM. Note that this generates parity errors on
- * internal data path in SRAM if it's first time accessing it
- * after reset.
- *
- * We do this ASAP to avoid parity errors when reading
- * uninitialized SRAM.
- */
- memset((void *)PPC7D_INTERNAL_SRAM_BASE, 0, MV64360_SRAM_SIZE);
-
- pr_debug("platform_init: r3-r7: %lx %lx %lx %lx %lx\n",
- r3, r4, r5, r6, r7);
-
- parse_bootinfo(find_bootinfo());
-
- /* ASSUMPTION: If both r3 (bd_t pointer) and r6 (cmdline pointer)
- * are non-zero, then we should use the board info from the bd_t
- * structure and the cmdline pointed to by r6 instead of the
- * information from birecs, if any. Otherwise, use the information
- * from birecs as discovered by the preceding call to
- * parse_bootinfo(). This rule should work with both PPCBoot, which
- * uses a bd_t board info structure, and the kernel boot wrapper,
- * which uses birecs.
- */
- if (r3 && r6) {
- bd_t *bp = (bd_t *) __res;
-
- /* copy board info structure */
- memcpy((void *)__res, (void *)(r3 + KERNELBASE), sizeof(bd_t));
- /* copy command line */
- *(char *)(r7 + KERNELBASE) = 0;
- strcpy(cmd_line, (char *)(r6 + KERNELBASE));
-
- printk(KERN_INFO "Board info data:-\n");
- printk(KERN_INFO " Internal freq: %lu MHz, bus freq: %lu MHz\n",
- bp->bi_intfreq, bp->bi_busfreq);
- printk(KERN_INFO " Memory: %lx, size %lx\n", bp->bi_memstart,
- bp->bi_memsize);
- printk(KERN_INFO " Console baudrate: %lu\n", bp->bi_baudrate);
- printk(KERN_INFO " Ethernet address: "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- bp->bi_enetaddr[0], bp->bi_enetaddr[1],
- bp->bi_enetaddr[2], bp->bi_enetaddr[3],
- bp->bi_enetaddr[4], bp->bi_enetaddr[5]);
- }
-#ifdef CONFIG_BLK_DEV_INITRD
- /* take care of initrd if we have one */
- if (r4) {
- initrd_start = r4 + KERNELBASE;
- initrd_end = r5 + KERNELBASE;
- printk(KERN_INFO "INITRD @ %lx/%lx\n", initrd_start, initrd_end);
- }
-#endif /* CONFIG_BLK_DEV_INITRD */
-
- /* Map in board regs, etc. */
- isa_io_base = 0xe8000000;
- isa_mem_base = 0xe8000000;
- pci_dram_offset = 0x00000000;
- ISA_DMA_THRESHOLD = 0x00ffffff;
- DMA_MODE_READ = 0x44;
- DMA_MODE_WRITE = 0x48;
-
- ppc_md.setup_arch = ppc7d_setup_arch;
- ppc_md.init = ppc7d_init2;
- ppc_md.show_cpuinfo = ppc7d_show_cpuinfo;
- /* XXX this is broken... */
- ppc_md.irq_canonicalize = ppc7d_irq_canonicalize;
- ppc_md.init_IRQ = ppc7d_init_irq;
- ppc_md.get_irq = ppc7d_get_irq;
-
- ppc_md.restart = ppc7d_restart;
- ppc_md.power_off = ppc7d_power_off;
- ppc_md.halt = ppc7d_halt;
-
- ppc_md.find_end_of_memory = ppc7d_find_end_of_memory;
- ppc_md.setup_io_mappings = ppc7d_map_io;
-
- ppc_md.time_init = NULL;
- ppc_md.set_rtc_time = NULL;
- ppc_md.get_rtc_time = NULL;
- ppc_md.calibrate_decr = ppc7d_calibrate_decr;
- ppc_md.nvram_read_val = NULL;
- ppc_md.nvram_write_val = NULL;
-
- ppc_md.heartbeat = ppc7d_heartbeat;
- ppc_md.heartbeat_reset = HZ;
- ppc_md.heartbeat_count = ppc_md.heartbeat_reset;
-
- ppc_md.pcibios_fixup_bus = ppc7d_pci_fixup_bus;
-
-#if defined(CONFIG_SERIAL_MPSC) || defined(CONFIG_MV643XX_ETH) || \
- defined(CONFIG_I2C_MV64XXX)
- platform_notify = ppc7d_platform_notify;
-#endif
-
-#ifdef CONFIG_SERIAL_MPSC
- /* On PPC7D, we must configure MPSC support via CPLD control
- * registers.
- */
- outb(PPC7D_CPLD_RTS_COM4_SCLK |
- PPC7D_CPLD_RTS_COM56_ENABLED, PPC7D_CPLD_RTS);
- outb(PPC7D_CPLD_COMS_COM3_TCLKEN |
- PPC7D_CPLD_COMS_COM3_TXEN |
- PPC7D_CPLD_COMS_COM4_TCLKEN |
- PPC7D_CPLD_COMS_COM4_TXEN, PPC7D_CPLD_COMS);
-#endif /* CONFIG_SERIAL_MPSC */
-
-#if defined(CONFIG_KGDB) || defined(CONFIG_SERIAL_TEXT_DEBUG)
- ppc7d_early_serial_map();
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
-#if defined(CONFIG_SERIAL_MPSC_CONSOLE)
- ppc_md.progress = mv64x60_mpsc_progress;
-#elif defined(CONFIG_SERIAL_8250)
- ppc_md.progress = gen550_progress;
-#else
-#error CONFIG_KGDB || CONFIG_SERIAL_TEXT_DEBUG has no supported CONFIG_SERIAL_XXX
-#endif /* CONFIG_SERIAL_8250 */
-#endif /* CONFIG_SERIAL_TEXT_DEBUG */
-#endif /* CONFIG_KGDB || CONFIG_SERIAL_TEXT_DEBUG */
-
- /* Enable write access to user flash. This is necessary for
- * flash probe.
- */
- val8 = readb((void *)isa_io_base + PPC7D_CPLD_SW_FLASH_WRITE_PROTECT);
- writeb(val8 | (PPC7D_CPLD_SW_FLASH_WRPROT_ENABLED &
- PPC7D_CPLD_SW_FLASH_WRPROT_USER_MASK),
- (void *)isa_io_base + PPC7D_CPLD_SW_FLASH_WRITE_PROTECT);
-
- /* Determine if this board has IBM ALMA VME devices */
- val8 = readb((void *)isa_io_base + PPC7D_CPLD_BOARD_REVISION);
- rev_num = (val8 & PPC7D_CPLD_BOARD_REVISION_NUMBER_MASK) >> 5;
- if (rev_num <= 1)
- ppc7d_has_alma = 1;
-
-#ifdef DEBUG
- console_printk[0] = 8;
-#endif
-}
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