* Ebony board specific routines
*
* Matt Porter <mporter@mvista.com>
- *
* Copyright 2002 MontaVista Software Inc.
*
+ * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ * Copyright (c) 2003, 2004 Zultys Technologies
+ *
* 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
(IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 63: EMAC 1 WOL */
};
-extern void abort(void);
+static struct ibm44x_clocks clocks __initdata;
static void __init
ebony_calibrate_decr(void)
break;
}
- tb_ticks_per_jiffy = freq / HZ;
- tb_to_us = mulhwu_scale_factor(freq, 1000000);
-
- /* Set the time base to zero */
- mtspr(SPRN_TBWL, 0);
- mtspr(SPRN_TBWU, 0);
-
- /* Clear any pending timer interrupts */
- mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS);
-
- /* Enable decrementer interrupt */
- mtspr(SPRN_TCR, TCR_DIE);
+ ibm44x_calibrate_decr(freq);
}
static int
memset(&port, 0, sizeof(port));
port.membase = ioremap64(PPC440GP_UART0_ADDR, 8);
port.irq = 0;
- port.uartclk = BASE_BAUD * 16;
+ port.uartclk = clocks.uart0;
port.regshift = 0;
port.iotype = SERIAL_IO_MEM;
port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
ebony_setup_arch(void)
{
unsigned char * vpd_base;
- struct ibm44x_clocks clocks;
struct ocp_def *def;
struct ocp_func_emac_data *emacdata;
ROOT_DEV = Root_HDA1;
#endif
-#ifdef CONFIG_VT
- conswitchp = &dummy_con;
-#endif
-
ebony_early_serial_map();
ibm4xxPIC_InitSenses = ebony_IRQ_initsenses;
printk("IBM Ebony port (MontaVista Software, Inc. (source@mvista.com))\n");
}
-static void
-ebony_restart(char *cmd)
-{
- local_irq_disable();
- abort();
-}
-
-static void
-ebony_power_off(void)
-{
- local_irq_disable();
- for(;;);
-}
-
-static void
-ebony_halt(void)
-{
- local_irq_disable();
- for(;;);
-}
-
-/*
- * Read the 440GP memory controller to get size of system memory.
- */
-static unsigned long __init
-ebony_find_end_of_memory(void)
-{
- u32 i, bank_config;
- u32 mem_size = 0;
-
- for (i=0; i<4; i++)
- {
- switch (i)
- {
- case 0:
- mtdcr(DCRN_SDRAM0_CFGADDR, SDRAM0_B0CR);
- break;
- case 1:
- mtdcr(DCRN_SDRAM0_CFGADDR, SDRAM0_B1CR);
- break;
- case 2:
- mtdcr(DCRN_SDRAM0_CFGADDR, SDRAM0_B2CR);
- break;
- case 3:
- mtdcr(DCRN_SDRAM0_CFGADDR, SDRAM0_B3CR);
- break;
- }
-
- bank_config = mfdcr(DCRN_SDRAM0_CFGDATA);
-
- if (!(bank_config & SDRAM_CONFIG_BANK_ENABLE))
- continue;
- switch (SDRAM_CONFIG_BANK_SIZE(bank_config))
- {
- case SDRAM_CONFIG_SIZE_8M:
- mem_size += PPC44x_MEM_SIZE_8M;
- break;
- case SDRAM_CONFIG_SIZE_16M:
- mem_size += PPC44x_MEM_SIZE_16M;
- break;
- case SDRAM_CONFIG_SIZE_32M:
- mem_size += PPC44x_MEM_SIZE_32M;
- break;
- case SDRAM_CONFIG_SIZE_64M:
- mem_size += PPC44x_MEM_SIZE_64M;
- break;
- case SDRAM_CONFIG_SIZE_128M:
- mem_size += PPC44x_MEM_SIZE_128M;
- break;
- case SDRAM_CONFIG_SIZE_256M:
- mem_size += PPC44x_MEM_SIZE_256M;
- break;
- case SDRAM_CONFIG_SIZE_512M:
- mem_size += PPC44x_MEM_SIZE_512M;
- break;
- }
- }
- return mem_size;
-}
-
-static void __init
-ebony_init_irq(void)
-{
- int i;
-
- ppc4xx_pic_init();
-
- for (i = 0; i < NR_IRQS; i++)
- irq_desc[i].handler = ppc4xx_pic;
-}
-
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
-#include <linux/serialP.h>
-#include <linux/serial_reg.h>
-#include <asm/serial.h>
-
-static struct serial_state rs_table[RS_TABLE_SIZE] = {
- SERIAL_PORT_DFNS /* Defined in <asm/serial.h> */
-};
-
-static void
-ebony_progress(char *s, unsigned short hex)
-{
- volatile char c;
- volatile unsigned long com_port;
- u16 shift;
-
- com_port = (unsigned long)rs_table[0].iomem_base;
- shift = rs_table[0].iomem_reg_shift;
-
- while ((c = *s++) != 0) {
- while ((*((volatile unsigned char *)com_port +
- (UART_LSR << shift)) & UART_LSR_THRE) == 0)
- ;
- *(volatile unsigned char *)com_port = c;
-
- }
-
- /* Send LF/CR to pretty up output */
- while ((*((volatile unsigned char *)com_port +
- (UART_LSR << shift)) & UART_LSR_THRE) == 0)
- ;
- *(volatile unsigned char *)com_port = '\r';
- while ((*((volatile unsigned char *)com_port +
- (UART_LSR << shift)) & UART_LSR_THRE) == 0)
- ;
- *(volatile unsigned char *)com_port = '\n';
-}
-#endif /* CONFIG_SERIAL_TEXT_DEBUG */
-
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
parse_bootinfo((struct bi_record *) (r3 + KERNELBASE));
+ ibm44x_platform_init();
+
ppc_md.setup_arch = ebony_setup_arch;
ppc_md.show_cpuinfo = ebony_show_cpuinfo;
- ppc_md.init_IRQ = ebony_init_irq;
ppc_md.get_irq = NULL; /* Set in ppc4xx_pic_init() */
- ppc_md.find_end_of_memory = ebony_find_end_of_memory;
-
- ppc_md.restart = ebony_restart;
- ppc_md.power_off = ebony_power_off;
- ppc_md.halt = ebony_halt;
-
ppc_md.calibrate_decr = ebony_calibrate_decr;
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
- ppc_md.progress = ebony_progress;
-#endif /* CONFIG_SERIAL_TEXT_DEBUG */
#ifdef CONFIG_KGDB
ppc_md.early_serial_map = ebony_early_serial_map;
#endif
git://git.onelab.eu / linux-2.6.git / blobdiff