diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3beagle.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3beagle.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index b6752ac5b97e..20c5dbea8953 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -23,6 +23,7 @@ #include <linux/gpio.h> #include <linux/input.h> #include <linux/gpio_keys.h> +#include <linux/opp.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> @@ -45,10 +46,12 @@ #include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h> +#include <plat/omap_device.h> #include "mux.h" #include "hsmmc.h" #include "timer-gp.h" +#include "pm.h" #define NAND_BLOCK_SIZE SZ_128K @@ -603,6 +606,52 @@ static struct omap_musb_board_data musb_board_data = { .power = 100, }; +static void __init beagle_opp_init(void) +{ + int r = 0; + + /* Initialize the omap3 opp table */ + if (omap3_opp_init()) { + pr_err("%s: opp default init failed\n", __func__); + return; + } + + /* Custom OPP enabled for XM */ + if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) { + struct omap_hwmod *mh = omap_hwmod_lookup("mpu"); + struct omap_hwmod *dh = omap_hwmod_lookup("iva"); + struct device *dev; + + if (!mh || !dh) { + pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n", + __func__, mh, dh); + return; + } + /* Enable MPU 1GHz and lower opps */ + dev = &mh->od->pdev.dev; + r = opp_enable(dev, 800000000); + /* TODO: MPU 1GHz needs SR and ABB */ + + /* Enable IVA 800MHz and lower opps */ + dev = &dh->od->pdev.dev; + r |= opp_enable(dev, 660000000); + /* TODO: DSP 800MHz needs SR and ABB */ + if (r) { + pr_err("%s: failed to enable higher opp %d\n", + __func__, r); + /* + * Cleanup - disable the higher freqs - we dont care + * about the results + */ + dev = &mh->od->pdev.dev; + opp_disable(dev, 800000000); + dev = &dh->od->pdev.dev; + opp_disable(dev, 660000000); + } + } + return; +} + static void __init omap3_beagle_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); @@ -627,6 +676,7 @@ static void __init omap3_beagle_init(void) omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); beagle_display_init(); + beagle_opp_init(); } MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") |