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author | Robert P. J. Day <rpjday@crashcourse.ca> | 2009-12-21 09:06:45 -0500 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-12-21 15:25:33 +0100 |
commit | d092fe6999cac233256ef7c1c2ccacdca443f97c (patch) | |
tree | 6d549872806ed376e13227666a271243f6cd798a /arch/ppc | |
parent | 057125d9b5c0a397ce514a583bfe730279ced8b4 (diff) | |
download | barebox-d092fe6999cac233256ef7c1c2ccacdca443f97c.tar.gz barebox-d092fe6999cac233256ef7c1c2ccacdca443f97c.tar.xz |
Remove PPC support for IDE.
Based on a suggestion from S. Hauer, we don't currently need any IDE
support, but we can always add it back later if we choose. There
don't appear to be any other IDE-related source files in the tree.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/ppc')
-rw-r--r-- | arch/ppc/mach-mpc5xxx/ide.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/ppc/mach-mpc5xxx/ide.c b/arch/ppc/mach-mpc5xxx/ide.c deleted file mode 100644 index 29b99f6b15..0000000000 --- a/arch/ppc/mach-mpc5xxx/ide.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * (C) Copyright 2004 - * Pierre AUBERT, Staubli Faverges, <p.aubert@staubli.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - * Init is derived from Linux code. - */ -#include <common.h> - -#ifdef CFG_CMD_IDE -#include <mpc5xxx.h> - -DECLARE_GLOBAL_DATA_PTR; - -#define CALC_TIMING(t) (t + period - 1) / period - -#ifdef CONFIG_IDE_RESET -extern void init_ide_reset (void); -#endif - -int ide_preinit (void) -{ - long period, t0, t1, t2_8, t2_16, t4, ta; - vu_long reg; - struct mpc5xxx_sdma *psdma = (struct mpc5xxx_sdma *) MPC5XXX_SDMA; - - reg = *(vu_long *) MPC5XXX_GPS_PORT_CONFIG; -#if defined(CONFIG_TOTAL5200) - /* ATA cs0/1 on i2c2 clk/io */ - reg = (reg & ~0x03000000ul) | 0x02000000ul; -#else - /* ATA cs0/1 on Local Plus cs4/5 */ - reg = (reg & ~0x03000000ul) | 0x01000000ul; -#endif /* CONFIG_TOTAL5200 */ - *(vu_long *) MPC5XXX_GPS_PORT_CONFIG = reg; - - /* All sample codes do that... */ - *(vu_long *) MPC5XXX_ATA_SHARE_COUNT = 0; - - /* Configure and reset host */ - *(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY | - MPC5xxx_ATA_HOSTCONF_SMR | MPC5xxx_ATA_HOSTCONF_FR; - udelay (10); - *(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY; - - /* Disable prefetch on Commbus */ - psdma->PtdCntrl |= 1; - - /* Init timings : we use PIO mode 0 timings */ - period = 1000000000 / gd->ipb_clk; /* period in ns */ - - t0 = CALC_TIMING (600); - t2_8 = CALC_TIMING (290); - t2_16 = CALC_TIMING (165); - reg = (t0 << 24) | (t2_8 << 16) | (t2_16 << 8); - *(vu_long *) MPC5XXX_ATA_PIO1 = reg; - - t4 = CALC_TIMING (30); - t1 = CALC_TIMING (70); - ta = CALC_TIMING (35); - reg = (t4 << 24) | (t1 << 16) | (ta << 8); - - *(vu_long *) MPC5XXX_ATA_PIO2 = reg; - -#ifdef CONFIG_IDE_RESET - init_ide_reset (); -#endif /* CONFIG_IDE_RESET */ - - return (0); -} -#endif /* CFG_CMD_IDE */ |