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| author | Kuninori Morimoto <morimoto.kuninori@renesas.com> | 2010-02-22 05:18:10 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-02-22 19:14:18 +0900 |
| commit | 16afc9fb0298a66da25ee015eb3c8a8f55e3744a (patch) | |
| tree | 5e8eb1bda9c3ce75906f93903b06265ec2f2adbf /arch/sh | |
| parent | 6f26d19fce5907cdd0fd953ac1a1d0b1e6e5982c (diff) | |
| download | linux-16afc9fb0298a66da25ee015eb3c8a8f55e3744a.tar.gz linux-16afc9fb0298a66da25ee015eb3c8a8f55e3744a.tar.bz2 linux-16afc9fb0298a66da25ee015eb3c8a8f55e3744a.zip | |
sh: sh7724: Update FSI/SPU2 clock
When FSI and Network (= NFS file system) were used at the same time,
the I/O of FSI was unstable. This patch updates the SPU2 clock (which
is used for FSI) to solve this issue. Special thanks to Jeremy.
Signed-off-by: Jeremy Baker <Jeremy.Baker@renesas.com>
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/boards/mach-ecovec24/setup.c | 5 | ||||
| -rw-r--r-- | arch/sh/boards/mach-se/7724/setup.c | 15 |
2 files changed, 15 insertions, 5 deletions
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index a17dbb3ac73f..6f2e8a78b461 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -1105,6 +1105,11 @@ static int __init arch_setup(void) gpio_request(GPIO_FN_FSIOBLRCK, NULL); gpio_request(GPIO_FN_CLKAUDIOBO, NULL); + /* set SPU2 clock to 83.4 MHz */ + clk = clk_get(NULL, "spu_clk"); + clk_set_rate(clk, clk_round_rate(clk, 83333333)); + clk_put(clk); + /* change parent of FSI B */ clk = clk_get(NULL, "fsib_clk"); clk_register(&fsimckb_clk); diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 50e4d1599576..1f6cf8604943 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -586,7 +586,7 @@ arch_initcall(arch_setup); static int __init devices_setup(void) { u16 sw = __raw_readw(SW4140); /* select camera, monitor */ - struct clk *fsia_clk; + struct clk *clk; /* register board specific self-refresh code */ sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF, @@ -755,13 +755,18 @@ static int __init devices_setup(void) gpio_request(GPIO_FN_CLKAUDIOBO, NULL); gpio_request(GPIO_FN_FSIIASD, NULL); + /* set SPU2 clock to 83.4 MHz */ + clk = clk_get(NULL, "spu_clk"); + clk_set_rate(clk, clk_round_rate(clk, 83333333)); + clk_put(clk); + /* change parent of FSI A */ - fsia_clk = clk_get(NULL, "fsia_clk"); + clk = clk_get(NULL, "fsia_clk"); clk_register(&fsimcka_clk); - clk_set_parent(fsia_clk, &fsimcka_clk); - clk_set_rate(fsia_clk, 11000); + clk_set_parent(clk, &fsimcka_clk); + clk_set_rate(clk, 11000); clk_set_rate(&fsimcka_clk, 11000); - clk_put(fsia_clk); + clk_put(clk); /* SDHI0 connected to cn7 */ gpio_request(GPIO_FN_SDHI0CD, NULL); |