diff options
Diffstat (limited to 'arch/arm/mach-omap2/dsp.c')
| -rw-r--r-- | arch/arm/mach-omap2/dsp.c | 81 |
1 files changed, 65 insertions, 16 deletions
diff --git a/arch/arm/mach-omap2/dsp.c b/arch/arm/mach-omap2/dsp.c index 6feeeae6c21..f7492df1cbb 100644 --- a/arch/arm/mach-omap2/dsp.c +++ b/arch/arm/mach-omap2/dsp.c @@ -11,46 +11,92 @@ * published by the Free Software Foundation. */ +/* + * XXX The function pointers to the PRM/CM functions are incorrect and + * should be removed. No device driver should be changing PRM/CM bits + * directly; that's a layering violation -- those bits are the responsibility + * of the OMAP PM core code. + */ + +#include <linux/module.h> #include <linux/platform_device.h> -#include "prm.h" -#include "cm.h" -#ifdef CONFIG_BRIDGE_DVFS -#include <plat/omap-pm.h> -#endif -#include <plat/dsp.h> +#include <asm/memblock.h> + +#include "control.h" +#include "cm2xxx_3xxx.h" +#include "prm2xxx_3xxx.h" +#ifdef CONFIG_TIDSPBRIDGE_DVFS +#include "omap-pm.h" +#endif +#include "soc.h" -extern phys_addr_t omap_dsp_get_mempool_base(void); +#include <linux/platform_data/dsp-omap.h> static struct platform_device *omap_dsp_pdev; static struct omap_dsp_platform_data omap_dsp_pdata __initdata = { -#ifdef CONFIG_BRIDGE_DVFS +#ifdef CONFIG_TIDSPBRIDGE_DVFS .dsp_set_min_opp = omap_pm_dsp_set_min_opp, .dsp_get_opp = omap_pm_dsp_get_opp, .cpu_set_freq = omap_pm_cpu_set_freq, .cpu_get_freq = omap_pm_cpu_get_freq, #endif - .dsp_prm_read = prm_read_mod_reg, - .dsp_prm_write = prm_write_mod_reg, - .dsp_prm_rmw_bits = prm_rmw_mod_reg_bits, - .dsp_cm_read = cm_read_mod_reg, - .dsp_cm_write = cm_write_mod_reg, - .dsp_cm_rmw_bits = cm_rmw_mod_reg_bits, + .dsp_prm_read = omap2_prm_read_mod_reg, + .dsp_prm_write = omap2_prm_write_mod_reg, + .dsp_prm_rmw_bits = omap2_prm_rmw_mod_reg_bits, + .dsp_cm_read = omap2_cm_read_mod_reg, + .dsp_cm_write = omap2_cm_write_mod_reg, + .dsp_cm_rmw_bits = omap2_cm_rmw_mod_reg_bits, + + .set_bootaddr = omap_ctrl_write_dsp_boot_addr, + .set_bootmode = omap_ctrl_write_dsp_boot_mode, }; +static phys_addr_t omap_dsp_phys_mempool_base; + +void __init omap_dsp_reserve_sdram_memblock(void) +{ + phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE; + phys_addr_t paddr; + + if (!cpu_is_omap34xx()) + return; + + if (!size) + return; + + paddr = arm_memblock_steal(size, SZ_1M); + if (!paddr) { + pr_err("%s: failed to reserve %llx bytes\n", + __func__, (unsigned long long)size); + return; + } + + omap_dsp_phys_mempool_base = paddr; +} + +static phys_addr_t omap_dsp_get_mempool_base(void) +{ + return omap_dsp_phys_mempool_base; +} + static int __init omap_dsp_init(void) { struct platform_device *pdev; int err = -ENOMEM; struct omap_dsp_platform_data *pdata = &omap_dsp_pdata; + if (!cpu_is_omap34xx()) + return 0; + pdata->phys_mempool_base = omap_dsp_get_mempool_base(); if (pdata->phys_mempool_base) { pdata->phys_mempool_size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE; - pr_info("%s: %x bytes @ %x\n", __func__, - pdata->phys_mempool_size, pdata->phys_mempool_base); + pr_info("%s: %llx bytes @ %llx\n", __func__, + (unsigned long long)pdata->phys_mempool_size, + (unsigned long long)pdata->phys_mempool_base); } pdev = platform_device_alloc("omap-dsp", -1); @@ -76,6 +122,9 @@ module_init(omap_dsp_init); static void __exit omap_dsp_exit(void) { + if (!cpu_is_omap34xx()) + return; + platform_device_unregister(omap_dsp_pdev); } module_exit(omap_dsp_exit); |
