X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=arch%2Fppc%2Fplatforms%2F4xx%2Febony.c;h=118d8520e38b460a75aa29a0c6de6cabf14b8122;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=6c9bde47360e21c021c2f98e734cbdc50f700e0d;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git diff --git a/arch/ppc/platforms/4xx/ebony.c b/arch/ppc/platforms/4xx/ebony.c index 6c9bde473..118d8520e 100644 --- a/arch/ppc/platforms/4xx/ebony.c +++ b/arch/ppc/platforms/4xx/ebony.c @@ -4,9 +4,11 @@ * Ebony board specific routines * * Matt Porter - * * Copyright 2002 MontaVista Software Inc. * + * Eugene Surovegin or + * 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 @@ -118,7 +120,7 @@ static u_char ebony_IRQ_initsenses[] __initdata = { (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) @@ -143,18 +145,7 @@ 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 @@ -283,7 +274,7 @@ ebony_early_serial_map(void) 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; @@ -306,7 +297,6 @@ static void __init ebony_setup_arch(void) { unsigned char * vpd_base; - struct ibm44x_clocks clocks; struct ocp_def *def; struct ocp_func_emac_data *emacdata; @@ -361,10 +351,6 @@ ebony_setup_arch(void) ROOT_DEV = Root_HDA1; #endif -#ifdef CONFIG_VT - conswitchp = &dummy_con; -#endif - ebony_early_serial_map(); ibm4xxPIC_InitSenses = ebony_IRQ_initsenses; @@ -374,152 +360,17 @@ ebony_setup_arch(void) 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 -#include -#include - -static struct serial_state rs_table[RS_TABLE_SIZE] = { - SERIAL_PORT_DFNS /* Defined in */ -}; - -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; @@ -528,9 +379,6 @@ void __init platform_init(unsigned long r3, unsigned long r4, 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