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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:09 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:16 +0200
commit8d1f268204b07e172f3cb5cee0a3974d605b0b98 (patch)
treec3359e920cc886e7060fb099bf933496aca37153 /cpu/mpc512x/ide.c
parent819833af39a91fa1c1e8252862bbda6f5a602f7b (diff)
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ppc: Move cpu/$CPU to arch/ppc/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'cpu/mpc512x/ide.c')
-rw-r--r--cpu/mpc512x/ide.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/cpu/mpc512x/ide.c b/cpu/mpc512x/ide.c
deleted file mode 100644
index dd6b2f4..0000000
--- a/cpu/mpc512x/ide.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * (C) Copyright 2007-2009 DENX Software Engineering
- *
- * 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
- *
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_IDE_RESET)
-
-void ide_set_reset (int idereset)
-{
- volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- debug ("ide_set_reset(%d)\n", idereset);
-
- if (idereset) {
- out_be32(&im->pata.pata_ata_control, 0);
- } else {
- out_be32(&im->pata.pata_ata_control, FSL_ATA_CTRL_ATA_RST_B);
- }
- udelay(100);
-}
-
-void init_ide_reset (void)
-{
- debug ("init_ide_reset\n");
-
- /*
- * Clear the reset bit to reset the interface
- * cf. RefMan MPC5121EE: 28.4.1 Resetting the ATA Bus
- */
- ide_set_reset(1);
-
- /* Assert the reset bit to enable the interface */
- ide_set_reset(0);
-
-}
-
-#define CALC_TIMING(t) (t + period - 1) / period
-
-int ide_preinit (void)
-{
- volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- long t;
- const struct {
- short t0;
- short t1;
- short t2_8;
- short t2_16;
- short t2i;
- short t4;
- short t9;
- short tA;
- } pio_specs = {
- .t0 = 600,
- .t1 = 70,
- .t2_8 = 290,
- .t2_16 = 165,
- .t2i = 0,
- .t4 = 30,
- .t9 = 20,
- .tA = 50,
- };
- union {
- u32 config;
- struct {
- u8 field1;
- u8 field2;
- u8 field3;
- u8 field4;
- }bytes;
- } cfg;
-
- debug ("IDE preinit using PATA peripheral at IMMR-ADDR %08x\n",
- (u32)&im->pata);
-
- /* Set the reset bit to 1 to enable the interface */
- ide_set_reset(0);
-
- /* Init timings : we use PIO mode 0 timings */
- t = 1000000000 / gd->ips_clk; /* period in ns */
- cfg.bytes.field1 = 3;
- cfg.bytes.field2 = 3;
- cfg.bytes.field3 = (pio_specs.t1 + t) / t;
- cfg.bytes.field4 = (pio_specs.t2_8 + t) / t;
-
- out_be32(&im->pata.pata_time1, cfg.config);
-
- cfg.bytes.field1 = (pio_specs.t2_8 + t) / t;
- cfg.bytes.field2 = (pio_specs.tA + t) / t + 2;
- cfg.bytes.field3 = 1;
- cfg.bytes.field4 = (pio_specs.t4 + t) / t;
-
- out_be32(&im->pata.pata_time2, cfg.config);
-
- cfg.config = in_be32(&im->pata.pata_time3);
- cfg.bytes.field1 = (pio_specs.t9 + t) / t;
-
- out_be32(&im->pata.pata_time3, cfg.config);
-
- debug ("PATA preinit complete.\n");
-
- return 0;
-}
-
-#endif /* defined(CONFIG_IDE_RESET) */