From 16afc9fb0298a66da25ee015eb3c8a8f55e3744a Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 22 Feb 2010 05:18:10 +0000 Subject: 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 Signed-off-by: Kuninori Morimoto Signed-off-by: Paul Mundt --- arch/sh/boards/mach-ecovec24/setup.c | 5 +++++ 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); -- cgit v1.2.3-58-ga151