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Diffstat (limited to 'arch/arm/mach-omap2/powerdomains3xxx_data.c')
-rw-r--r--arch/arm/mach-omap2/powerdomains3xxx_data.c321
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diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c
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+++ b/arch/arm/mach-omap2/powerdomains3xxx_data.c
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+/*
+ * OMAP3 powerdomain definitions
+ *
+ * Copyright (C) 2007-2008, 2011 Texas Instruments, Inc.
+ * Copyright (C) 2007-2011 Nokia Corporation
+ *
+ * Paul Walmsley, Jouni Högander
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/bug.h>
+
+#include <plat/cpu.h>
+
+#include "powerdomain.h"
+#include "powerdomains2xxx_3xxx_data.h"
+
+#include "prcm-common.h"
+#include "prm2xxx_3xxx.h"
+#include "prm-regbits-34xx.h"
+#include "cm2xxx_3xxx.h"
+#include "cm-regbits-34xx.h"
+
+/*
+ * 34XX-specific powerdomains, dependencies
+ */
+
+/*
+ * Powerdomains
+ */
+
+static struct powerdomain iva2_pwrdm = {
+ .name = "iva2_pwrdm",
+ .prcm_offs = OMAP3430_IVA2_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_OFF_RET,
+ .banks = 4,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_OFF_RET,
+ [1] = PWRSTS_OFF_RET,
+ [2] = PWRSTS_OFF_RET,
+ [3] = PWRSTS_OFF_RET,
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_ON,
+ [1] = PWRSTS_ON,
+ [2] = PWRSTS_OFF_ON,
+ [3] = PWRSTS_ON,
+ },
+ .voltdm = { .name = "mpu_iva" },
+};
+
+static struct powerdomain mpu_3xxx_pwrdm = {
+ .name = "mpu_pwrdm",
+ .prcm_offs = MPU_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_OFF_RET,
+ .flags = PWRDM_HAS_MPU_QUIRK,
+ .banks = 1,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_OFF_RET,
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_OFF_ON,
+ },
+ .voltdm = { .name = "mpu_iva" },
+};
+
+/*
+ * The USBTLL Save-and-Restore mechanism is broken on
+ * 3430s up to ES3.0 and 3630ES1.0. Hence this feature
+ * needs to be disabled on these chips.
+ * Refer: 3430 errata ID i459 and 3630 errata ID i579
+ *
+ * Note: setting the SAR flag could help for errata ID i478
+ * which applies to 3430 <= ES3.1, but since the SAR feature
+ * is broken, do not use it.
+ */
+static struct powerdomain core_3xxx_pre_es3_1_pwrdm = {
+ .name = "core_pwrdm",
+ .prcm_offs = CORE_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_OFF_RET,
+ .banks = 2,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
+ [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
+ [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
+ },
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain core_3xxx_es3_1_pwrdm = {
+ .name = "core_pwrdm",
+ .prcm_offs = CORE_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_OFF_RET,
+ /*
+ * Setting the SAR flag for errata ID i478 which applies
+ * to 3430 <= ES3.1
+ */
+ .flags = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */
+ .banks = 2,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
+ [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
+ [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
+ },
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain dss_pwrdm = {
+ .name = "dss_pwrdm",
+ .prcm_offs = OMAP3430_DSS_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_RET,
+ .banks = 1,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_RET, /* MEMRETSTATE */
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_ON, /* MEMONSTATE */
+ },
+ .voltdm = { .name = "core" },
+};
+
+/*
+ * Although the 34XX TRM Rev K Table 4-371 notes that retention is a
+ * possible SGX powerstate, the SGX device itself does not support
+ * retention.
+ */
+static struct powerdomain sgx_pwrdm = {
+ .name = "sgx_pwrdm",
+ .prcm_offs = OMAP3430ES2_SGX_MOD,
+ /* XXX This is accurate for 3430 SGX, but what about GFX? */
+ .pwrsts = PWRSTS_OFF_ON,
+ .pwrsts_logic_ret = PWRSTS_RET,
+ .banks = 1,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_RET, /* MEMRETSTATE */
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_ON, /* MEMONSTATE */
+ },
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain cam_pwrdm = {
+ .name = "cam_pwrdm",
+ .prcm_offs = OMAP3430_CAM_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_RET,
+ .banks = 1,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_RET, /* MEMRETSTATE */
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_ON, /* MEMONSTATE */
+ },
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain per_pwrdm = {
+ .name = "per_pwrdm",
+ .prcm_offs = OMAP3430_PER_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_OFF_RET,
+ .banks = 1,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_RET, /* MEMRETSTATE */
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_ON, /* MEMONSTATE */
+ },
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain emu_pwrdm = {
+ .name = "emu_pwrdm",
+ .prcm_offs = OMAP3430_EMU_MOD,
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain neon_pwrdm = {
+ .name = "neon_pwrdm",
+ .prcm_offs = OMAP3430_NEON_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_RET,
+ .voltdm = { .name = "mpu_iva" },
+};
+
+static struct powerdomain usbhost_pwrdm = {
+ .name = "usbhost_pwrdm",
+ .prcm_offs = OMAP3430ES2_USBHOST_MOD,
+ .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts_logic_ret = PWRSTS_RET,
+ /*
+ * REVISIT: Enabling usb host save and restore mechanism seems to
+ * leave the usb host domain permanently in ACTIVE mode after
+ * changing the usb host power domain state from OFF to active once.
+ * Disabling for now.
+ */
+ /*.flags = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */
+ .banks = 1,
+ .pwrsts_mem_ret = {
+ [0] = PWRSTS_RET, /* MEMRETSTATE */
+ },
+ .pwrsts_mem_on = {
+ [0] = PWRSTS_ON, /* MEMONSTATE */
+ },
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain dpll1_pwrdm = {
+ .name = "dpll1_pwrdm",
+ .prcm_offs = MPU_MOD,
+ .voltdm = { .name = "mpu_iva" },
+};
+
+static struct powerdomain dpll2_pwrdm = {
+ .name = "dpll2_pwrdm",
+ .prcm_offs = OMAP3430_IVA2_MOD,
+ .voltdm = { .name = "mpu_iva" },
+};
+
+static struct powerdomain dpll3_pwrdm = {
+ .name = "dpll3_pwrdm",
+ .prcm_offs = PLL_MOD,
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain dpll4_pwrdm = {
+ .name = "dpll4_pwrdm",
+ .prcm_offs = PLL_MOD,
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain dpll5_pwrdm = {
+ .name = "dpll5_pwrdm",
+ .prcm_offs = PLL_MOD,
+ .voltdm = { .name = "core" },
+};
+
+/* As powerdomains are added or removed above, this list must also be changed */
+static struct powerdomain *powerdomains_omap3430_common[] __initdata = {
+ &wkup_omap2_pwrdm,
+ &iva2_pwrdm,
+ &mpu_3xxx_pwrdm,
+ &neon_pwrdm,
+ &cam_pwrdm,
+ &dss_pwrdm,
+ &per_pwrdm,
+ &emu_pwrdm,
+ &dpll1_pwrdm,
+ &dpll2_pwrdm,
+ &dpll3_pwrdm,
+ &dpll4_pwrdm,
+ NULL
+};
+
+static struct powerdomain *powerdomains_omap3430es1[] __initdata = {
+ &gfx_omap2_pwrdm,
+ &core_3xxx_pre_es3_1_pwrdm,
+ NULL
+};
+
+/* also includes 3630ES1.0 */
+static struct powerdomain *powerdomains_omap3430es2_es3_0[] __initdata = {
+ &core_3xxx_pre_es3_1_pwrdm,
+ &sgx_pwrdm,
+ &usbhost_pwrdm,
+ &dpll5_pwrdm,
+ NULL
+};
+
+/* also includes 3630ES1.1+ */
+static struct powerdomain *powerdomains_omap3430es3_1plus[] __initdata = {
+ &core_3xxx_es3_1_pwrdm,
+ &sgx_pwrdm,
+ &usbhost_pwrdm,
+ &dpll5_pwrdm,
+ NULL
+};
+
+void __init omap3xxx_powerdomains_init(void)
+{
+ unsigned int rev;
+
+ if (!cpu_is_omap34xx())
+ return;
+
+ pwrdm_register_platform_funcs(&omap3_pwrdm_operations);
+ pwrdm_register_pwrdms(powerdomains_omap3430_common);
+
+ rev = omap_rev();
+
+ if (rev == OMAP3430_REV_ES1_0)
+ pwrdm_register_pwrdms(powerdomains_omap3430es1);
+ else if (rev == OMAP3430_REV_ES2_0 || rev == OMAP3430_REV_ES2_1 ||
+ rev == OMAP3430_REV_ES3_0 || rev == OMAP3630_REV_ES1_0)
+ pwrdm_register_pwrdms(powerdomains_omap3430es2_es3_0);
+ else if (rev == OMAP3430_REV_ES3_1 || rev == OMAP3430_REV_ES3_1_2 ||
+ rev == OMAP3517_REV_ES1_0 || rev == OMAP3517_REV_ES1_1 ||
+ rev == OMAP3630_REV_ES1_1 || rev == OMAP3630_REV_ES1_2)
+ pwrdm_register_pwrdms(powerdomains_omap3430es3_1plus);
+ else
+ WARN(1, "OMAP3 powerdomain init: unknown chip type\n");
+
+ pwrdm_complete_init();
+}
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