diff options
author | Michael Brandt <michael.brandt@stericsson.com> | 2010-02-19 10:15:10 +0100 |
---|---|---|
committer | Jonas ABERG <jonas.aberg@stericsson.com> | 2010-05-19 09:52:26 +0200 |
commit | f4f7f7d70bc982d6689f09bf97e62caec223629f (patch) | |
tree | 35e858603bc26edc2ae6c9774486367acaa4a6f9 /board/st/u8500/clock.c | |
parent | 1e4db0172510318ddc94ef7fcc071fdd435c2e47 (diff) |
HREF V1 updates
This patch is part of WP254081 which depends on WP252006.
* Fixed I2C, use real timeouts instead of counter
* Undefined CONFIG_BOOTTIME, since it as to be changed to new timer.c
* Merged V1 patches from Bangalore
The patches were merged manually, because of the differences
of the U-Boot baseline (Bangalore U-Boot 1.3.1, Lund 2009.11).
The original patches were created by Rabin Vincent
<rabin.vincent@stericsson.com>.
and were applied originally to
Branches: blr_lsp, remotes/origin/blr_lsp
Follows: qpppaaa_20100210_094651
0001-u8500-gpio-add-I2C0-altfun.patch
0002-u8500-use-correct-v1-macros.patch
0003-emmc-clean-up-paritioning.patch
0004-u8500-remove-incorrect-ram-settings.patch
0005-u8500-gpio-remove-unnecessary-ifdefs.patch
0006-u8500-add-ED-v1-detection-and-handle-eMMC-diff.patch
0008-u8500-mmc-don-t-disable-altfuns.patch
0009-u8500-gpio-remove-unused-defined.patch
0010-u8500-mmc-add-barrier-for-while-loop.patch
0011-u8500-mmc-handle-non-block-addressed-cards.patch
0012-u8500-mmc-remove-unused-gpio-settings-on-v1.patch
0013-u8500-emmc-build-fix.patch
0014-u8500-handle-v1-gpios-and-clocks.patch
0015-mmc-build-fix-for-block-addressing.patch
0016-u8500-add-clocks-and-hardware-files.patch
0017-u8500-enable-PRCUM-timers-reg-for-ED.patch
0018-u8500-handle-MTU-for-v1-ED.patch
0019-u8500-emmc-remove-unnecessary-GPIO-settings.patch
0020-u8500-remove-dead-code.patch
0021-u8500-add-working-MTU-timer.patch
0022-pl011-empty-rx-fifo-if-necessary.patch
0023-u8500-gpio-fix-cont-handling-in-altfunc.patch
0024-u8500-reduce-bootdelay-to-1-and-enable-zero-check.patch
0025-u8500-disable-forcing-of-verify-but-set-n-by-default.patch
0029-u8500-fix-some-gpio-settings.patch
0030-emmc-make-v1-paritioning-differences-explicit.patch
Signed-off-by: Michael Brandt <Michael.Brandt@stericsson.com>
Change-Id: I1106702e393c34f630e71f071e06c3952b0d3a1a
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/182
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Diffstat (limited to 'board/st/u8500/clock.c')
-rwxr-xr-x | board/st/u8500/clock.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/board/st/u8500/clock.c b/board/st/u8500/clock.c new file mode 100755 index 000000000..41f1bb254 --- /dev/null +++ b/board/st/u8500/clock.c @@ -0,0 +1,56 @@ +/* + * (C) Copyright 2009 ST-Ericsson + * + * 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 <asm/io.h> +#include <asm/arch/hardware.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct clkrst { + unsigned int pcken; + unsigned int pckdis; + unsigned int kcken; + unsigned int kckdis; +}; + +static unsigned int clkrst_base[] = { + U8500_CLKRST1_BASE, + U8500_CLKRST2_BASE, + U8500_CLKRST3_BASE, + NULL, + U8500_CLKRST5_BASE, + U8500_CLKRST6_BASE, + U8500_CLKRST7_BASE, /* ED only */ +}; + +/* Turn on peripheral clock at PRCC level */ +void u8500_clock_enable(int periph, int cluster, int kern) +{ + struct clkrst *clkrst = (struct clkrst *) clkrst_base[periph - 1]; + + if (kern != -1) + writel(1 << kern, &clkrst->kcken); + + if (cluster != -1) + writel(1 << cluster, &clkrst->pcken); +} |