diff options
Diffstat (limited to 'packages/linux/linux-omap2-git/beagleboard')
5 files changed, 156 insertions, 2 deletions
diff --git a/packages/linux/linux-omap2-git/beagleboard/400khz-i2c.diff b/packages/linux/linux-omap2-git/beagleboard/400khz-i2c.diff new file mode 100644 index 0000000000..f749dbcf5b --- /dev/null +++ b/packages/linux/linux-omap2-git/beagleboard/400khz-i2c.diff @@ -0,0 +1,22 @@ +From: Steve Sakoman <steve@sakoman.com> +Date: Wed, 16 Jul 2008 19:38:43 +0000 (-0700) +Subject: omap3beagle: set data rate on i2c-1 to 400, since 2600 seems to be +X-Git-Url: http://www.sakoman.net/cgi-bin/gitweb.cgi?p=linux-omap-2.6.git;a=commitdiff_plain;h=12d6504334a830774ff1d42cee4b7296ac9fb7d2 + +omap3beagle: set data rate on i2c-1 to 400, since 2600 seems to be +flakey +--- + +diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c +index fdce787..938ad73 100644 +--- a/arch/arm/mach-omap2/board-omap3beagle.c ++++ b/arch/arm/mach-omap2/board-omap3beagle.c +@@ -39,7 +39,7 @@ static struct omap_uart_config omap3_beagle_uart_config __initdata = { + + static int __init omap3_beagle_i2c_init(void) + { +- omap_register_i2c_bus(1, 2600, NULL, 0); ++ omap_register_i2c_bus(1, 400, NULL, 0); + omap_register_i2c_bus(2, 400, NULL, 0); + omap_register_i2c_bus(3, 400, NULL, 0); + return 0; diff --git a/packages/linux/linux-omap2-git/beagleboard/4bitmmc.diff b/packages/linux/linux-omap2-git/beagleboard/4bitmmc.diff new file mode 100644 index 0000000000..5cd120c544 --- /dev/null +++ b/packages/linux/linux-omap2-git/beagleboard/4bitmmc.diff @@ -0,0 +1,38 @@ +From: Purushotam Kumar <purushotam@ti.com> +Date: Fri, 18 Jul 2008 23:28:57 +0000 (-0700) +Subject: OMAP3:devices.c:Enabling 4-bit for SD card +X-Git-Url: http://www.sakoman.net/cgi-bin/gitweb.cgi?p=linux-omap-2.6.git;a=commitdiff_plain;h=6c4d34031c80ca4b50ffe73a4ef7fe197a760a60 + +OMAP3:devices.c:Enabling 4-bit for SD card + +SD card was working in 1-bit mode.This patch will configure SD card in +4-bit mode and hence performance will increase. + +Signed-off-by: Purushotam Kumar <purushotam@ti.com> +Acked-by: Madhusudhan Chikkature Rajashekar <madhu.cr@ti.com> +--- + +diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c +index b83f9a6..d0cfceb 100644 +--- a/arch/arm/plat-omap/devices.c ++++ b/arch/arm/plat-omap/devices.c +@@ -296,13 +296,17 @@ static void __init omap_init_mmc(void) + mmc = &mmc_conf->mmc[0]; + + if (cpu_is_omap2430() || cpu_is_omap34xx()) { +- if (mmc->enabled) ++ if (mmc->enabled) { ++ mmc1_data.conf = *mmc; + (void) platform_device_register(&mmc_omap_device1); ++ } + + #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) + mmc = &mmc_conf->mmc[1]; +- if (mmc->enabled) ++ if (mmc->enabled) { ++ mmc2_data.conf = *mmc; + (void) platform_device_register(&mmc_omap_device2); ++ } + #endif + + return; diff --git a/packages/linux/linux-omap2-git/beagleboard/mru-clocks1.diff b/packages/linux/linux-omap2-git/beagleboard/mru-clocks1.diff index a17cc52c16..d7dadbc85e 100644 --- a/packages/linux/linux-omap2-git/beagleboard/mru-clocks1.diff +++ b/packages/linux/linux-omap2-git/beagleboard/mru-clocks1.diff @@ -1,7 +1,7 @@ From: Mans Rullgard <mans@mansr.com> Date: Tue, 22 Jul 2008 00:31:11 +0000 (+0100) Subject: ARM: OMAP: make dpll4_m4_ck programmable with clk_set_rate() -X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=edc6cd29284f64f524dd410fdc5e6133bc177a8f +X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=2b7b958dc79e51127d7a4ecf88ce12dbc6c31426 ARM: OMAP: make dpll4_m4_ck programmable with clk_set_rate() diff --git a/packages/linux/linux-omap2-git/beagleboard/mru-clocks2.diff b/packages/linux/linux-omap2-git/beagleboard/mru-clocks2.diff index 99c8f7c285..c8b370da03 100644 --- a/packages/linux/linux-omap2-git/beagleboard/mru-clocks2.diff +++ b/packages/linux/linux-omap2-git/beagleboard/mru-clocks2.diff @@ -1,7 +1,7 @@ From: Mans Rullgard <mans@mansr.com> Date: Tue, 22 Jul 2008 00:58:18 +0000 (+0100) Subject: ARM: OMAP: add clk_get_parent() for OMAP2/3 -X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=76a35ce79194b60e3697378e726e1e510c9349d1 +X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=e2de5e5578fbaa9b4b75074796da0608fc93e6ae ARM: OMAP: add clk_get_parent() for OMAP2/3 diff --git a/packages/linux/linux-omap2-git/beagleboard/mru-clocks3.diff b/packages/linux/linux-omap2-git/beagleboard/mru-clocks3.diff new file mode 100644 index 0000000000..f8407fc2d5 --- /dev/null +++ b/packages/linux/linux-omap2-git/beagleboard/mru-clocks3.diff @@ -0,0 +1,94 @@ +From: Mans Rullgard <mans@mansr.com> +Date: Wed, 23 Jul 2008 08:40:07 +0000 (+0100) +Subject: ARM: OMAP: Set DSS1_ALWON_FCLK to a multiple of the pixel clock +X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=01ee28c50701caa94739e764c3dae9298edd8216 + +ARM: OMAP: Set DSS1_ALWON_FCLK to a multiple of the pixel clock + +This sets the DSS1_ALWON_FCLK clock as close as possible to a +multiple of the requested pixel clock, while keeping it below +the 173MHz limit. + +Due to of the structure of the clock tree, dss1_alwon_fck cannot +be set directly, and we must use dpll4_m4_ck instead. + +Signed-off-by: Mans Rullgard <mans@mansr.com> +--- + +diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c +index fd06ca2..e0e8528 100644 +--- a/drivers/video/omap/dispc.c ++++ b/drivers/video/omap/dispc.c +@@ -176,6 +176,7 @@ static struct { + + struct clk *dss_ick, *dss1_fck; + struct clk *dss_54m_fck; ++ struct clk *dpll4_m4_ck; + + enum omapfb_update_mode update_mode; + struct omapfb_device *fbdev; +@@ -738,21 +739,34 @@ static void setup_color_conv_coef(void) + MOD_REG_FLD(at2_reg, (1 << 11), ct->full_range); + } + +-#define MAX_FCK_LCD 173000000 ++#define MAX_FCK 173000000 + + static void calc_ck_div(int is_tft, int pck, int *lck_div, int *pck_div) + { ++ unsigned long prate = clk_get_rate(clk_get_parent(dispc.dpll4_m4_ck)); ++ unsigned long pcd_min = is_tft? 2: 3; ++ unsigned long fck_div; + unsigned long fck, lck; + + pck = max(1, pck); ++ ++ if (pck * pcd_min > MAX_FCK) { ++ dev_warn(dispc.fbdev->dev, "pixclock %d kHz too high.\n", ++ pck / 1000); ++ pck = MAX_FCK / pcd_min; ++ } ++ ++ fck = pck * 2; ++ fck_div = (prate + pck) / fck; ++ if (fck_div > 16) ++ fck_div /= (fck_div + 15) / 16; ++ if (fck_div < 1) ++ fck_div = 1; ++ clk_set_rate(dispc.dpll4_m4_ck, prate / fck_div); + fck = clk_get_rate(dispc.dss1_fck); +- *lck_div = (fck + MAX_FCK_LCD - 1) / MAX_FCK_LCD; +- lck = fck / *lck_div; +- *pck_div = (lck + pck - 1) / pck; +- if (is_tft) +- *pck_div = max(2, *pck_div); +- else +- *pck_div = max(3, *pck_div); ++ ++ *lck_div = 1; ++ *pck_div = (fck + pck - 1) / pck; + if (*pck_div > 255) { + *pck_div = 255; + lck = pck * *pck_div; +@@ -914,11 +928,21 @@ static int get_dss_clocks(void) + return PTR_ERR(dispc.dss_54m_fck); + } + ++ if (IS_ERR((dispc.dpll4_m4_ck = ++ clk_get(dispc.fbdev->dev, "dpll4_m4_ck")))) { ++ dev_err(dispc.fbdev->dev, "can't get dpll4_m4_ck"); ++ clk_put(dispc.dss_ick); ++ clk_put(dispc.dss1_fck); ++ clk_put(dispc.dss_54m_fck); ++ return PTR_ERR(dispc.dss_54m_fck); ++ } ++ + return 0; + } + + static void put_dss_clocks(void) + { ++ clk_put(dispc.dpll4_m4_ck); + clk_put(dispc.dss_54m_fck); + clk_put(dispc.dss1_fck); + clk_put(dispc.dss_ick); |