projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c0718df4 PW |
1 | /* |
| 2 | * OMAP3 voltage domain data | |
| 3 | * | |
| 4 | * Copyright (C) 2007, 2010 Texas Instruments, Inc. | |
| 5 | * Rajendra Nayak <rnayak@ti.com> | |
| 6 | * Lesly A M <x0080970@ti.com> | |
| 7 | * Thara Gopinath <thara@ti.com> | |
| 8 | * | |
| 9 | * Copyright (C) 2008, 2011 Nokia Corporation | |
| 10 | * Kalle Jokiniemi | |
| 11 | * Paul Walmsley | |
| 12 | * | |
| 13 | * This program is free software; you can redistribute it and/or modify | |
| 14 | * it under the terms of the GNU General Public License version 2 as | |
| 15 | * published by the Free Software Foundation. | |
| 16 | */ | |
| 17 | #include <linux/kernel.h> | |
| 18 | #include <linux/err.h> | |
| 19 | #include <linux/init.h> | |
| 20 | ||
| 21 | #include <plat/common.h> | |
| 22 | #include <plat/cpu.h> | |
| 23 | ||
| 24 | #include "prm-regbits-34xx.h" | |
| 25 | #include "omap_opp_data.h" | |
| 26 | #include "voltage.h" | |
| 27 | #include "vc.h" | |
| 28 | #include "vp.h" | |
| 29 | ||
| 30 | /* | |
| 31 | * VDD data | |
| 32 | */ | |
| 33 | ||
| 34 | static const struct omap_vfsm_instance_data omap3_vdd1_vfsm_data = { | |
| 35 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, | |
| 36 | .voltsetup_shift = OMAP3430_SETUP_TIME1_SHIFT, | |
| 37 | .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK, | |
| 38 | }; | |
| 39 | ||
| 40 | static struct omap_vdd_info omap3_vdd1_info = { | |
| 41 | .vp_data = &omap3_vp1_data, | |
| 42 | .vc_data = &omap3_vc1_data, | |
| 43 | .vfsm = &omap3_vdd1_vfsm_data, | |
| 44 | .voltdm = { | |
| 45 | .name = "mpu", | |
| 46 | }, | |
| 47 | }; | |
| 48 | ||
| 49 | static const struct omap_vfsm_instance_data omap3_vdd2_vfsm_data = { | |
| 50 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, | |
| 51 | .voltsetup_shift = OMAP3430_SETUP_TIME2_SHIFT, | |
| 52 | .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK, | |
| 53 | }; | |
| 54 | ||
| 55 | static struct omap_vdd_info omap3_vdd2_info = { | |
| 56 | .vp_data = &omap3_vp2_data, | |
| 57 | .vc_data = &omap3_vc2_data, | |
| 58 | .vfsm = &omap3_vdd2_vfsm_data, | |
| 59 | .voltdm = { | |
| 60 | .name = "core", | |
| 61 | }, | |
| 62 | }; | |
| 63 | ||
| 64 | /* OMAP3 VDD structures */ | |
| 65 | static struct omap_vdd_info *omap3_vdd_info[] = { | |
| 66 | &omap3_vdd1_info, | |
| 67 | &omap3_vdd2_info, | |
| 68 | }; | |
| 69 | ||
| 70 | /* OMAP3 specific voltage init functions */ | |
| 71 | static int __init omap3xxx_voltage_early_init(void) | |
| 72 | { | |
| 73 | s16 prm_mod = OMAP3430_GR_MOD; | |
| 74 | s16 prm_irqst_ocp_mod = OCP_MOD; | |
| 75 | ||
| 76 | if (!cpu_is_omap34xx()) | |
| 77 | return 0; | |
| 78 | ||
| 79 | /* | |
| 80 | * XXX Will depend on the process, validation, and binning | |
| 81 | * for the currently-running IC | |
| 82 | */ | |
| 83 | if (cpu_is_omap3630()) { | |
| 84 | omap3_vdd1_info.volt_data = omap36xx_vddmpu_volt_data; | |
| 85 | omap3_vdd2_info.volt_data = omap36xx_vddcore_volt_data; | |
| 86 | } else { | |
| 87 | omap3_vdd1_info.volt_data = omap34xx_vddmpu_volt_data; | |
| 88 | omap3_vdd2_info.volt_data = omap34xx_vddcore_volt_data; | |
| 89 | } | |
| 90 | ||
| 91 | return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod, | |
| 92 | omap3_vdd_info, | |
| 93 | ARRAY_SIZE(omap3_vdd_info)); | |
| 94 | }; | |
| 95 | core_initcall(omap3xxx_voltage_early_init); |