arm: omap3: am35x: Set proper powerdomain states
authorMark A. Greer <mgreer@animalcreek.com>
Thu, 28 Jun 2012 00:43:59 +0000 (18:43 -0600)
committerPaul Walmsley <paul@pwsan.com>
Thu, 28 Jun 2012 06:12:35 +0000 (00:12 -0600)
The am35x family of SoCs only support the PWRSTS_ON
state so create a new set of powerdomain structures
that ensure that only the ON state is entered.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
arch/arm/mach-omap2/powerdomains3xxx_data.c

index fb0a0a6869d17b783834f93616ba29a2f3430e43..bb883e463078b264869594d150dc5a2bb49d0caf 100644 (file)
@@ -71,6 +71,22 @@ static struct powerdomain mpu_3xxx_pwrdm = {
        .voltdm           = { .name = "mpu_iva" },
 };
 
+static struct powerdomain mpu_am35x_pwrdm = {
+       .name             = "mpu_pwrdm",
+       .prcm_offs        = MPU_MOD,
+       .pwrsts           = PWRSTS_ON,
+       .pwrsts_logic_ret = PWRSTS_ON,
+       .flags            = PWRDM_HAS_MPU_QUIRK,
+       .banks            = 1,
+       .pwrsts_mem_ret   = {
+               [0] = PWRSTS_ON,
+       },
+       .pwrsts_mem_on    = {
+               [0] = PWRSTS_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
@@ -120,6 +136,23 @@ static struct powerdomain core_3xxx_es3_1_pwrdm = {
        .voltdm           = { .name = "core" },
 };
 
+static struct powerdomain core_am35x_pwrdm = {
+       .name             = "core_pwrdm",
+       .prcm_offs        = CORE_MOD,
+       .pwrsts           = PWRSTS_ON,
+       .pwrsts_logic_ret = PWRSTS_ON,
+       .banks            = 2,
+       .pwrsts_mem_ret   = {
+               [0] = PWRSTS_ON,         /* MEM1RETSTATE */
+               [1] = PWRSTS_ON,         /* MEM2RETSTATE */
+       },
+       .pwrsts_mem_on    = {
+               [0] = PWRSTS_ON, /* MEM1ONSTATE */
+               [1] = PWRSTS_ON, /* MEM2ONSTATE */
+       },
+       .voltdm           = { .name = "core" },
+};
+
 static struct powerdomain dss_pwrdm = {
        .name             = "dss_pwrdm",
        .prcm_offs        = OMAP3430_DSS_MOD,
@@ -135,6 +168,21 @@ static struct powerdomain dss_pwrdm = {
        .voltdm           = { .name = "core" },
 };
 
+static struct powerdomain dss_am35x_pwrdm = {
+       .name             = "dss_pwrdm",
+       .prcm_offs        = OMAP3430_DSS_MOD,
+       .pwrsts           = PWRSTS_ON,
+       .pwrsts_logic_ret = PWRSTS_ON,
+       .banks            = 1,
+       .pwrsts_mem_ret   = {
+               [0] = PWRSTS_ON, /* 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
@@ -156,6 +204,21 @@ static struct powerdomain sgx_pwrdm = {
        .voltdm           = { .name = "core" },
 };
 
+static struct powerdomain sgx_am35x_pwrdm = {
+       .name             = "sgx_pwrdm",
+       .prcm_offs        = OMAP3430ES2_SGX_MOD,
+       .pwrsts           = PWRSTS_ON,
+       .pwrsts_logic_ret = PWRSTS_ON,
+       .banks            = 1,
+       .pwrsts_mem_ret   = {
+               [0] = PWRSTS_ON, /* MEMRETSTATE */
+       },
+       .pwrsts_mem_on    = {
+               [0] = PWRSTS_ON,  /* MEMONSTATE */
+       },
+       .voltdm           = { .name = "core" },
+};
+
 static struct powerdomain cam_pwrdm = {
        .name             = "cam_pwrdm",
        .prcm_offs        = OMAP3430_CAM_MOD,
@@ -186,6 +249,21 @@ static struct powerdomain per_pwrdm = {
        .voltdm           = { .name = "core" },
 };
 
+static struct powerdomain per_am35x_pwrdm = {
+       .name             = "per_pwrdm",
+       .prcm_offs        = OMAP3430_PER_MOD,
+       .pwrsts           = PWRSTS_ON,
+       .pwrsts_logic_ret = PWRSTS_ON,
+       .banks            = 1,
+       .pwrsts_mem_ret   = {
+               [0] = PWRSTS_ON, /* MEMRETSTATE */
+       },
+       .pwrsts_mem_on    = {
+               [0] = PWRSTS_ON,  /* MEMONSTATE */
+       },
+       .voltdm           = { .name = "core" },
+};
+
 static struct powerdomain emu_pwrdm = {
        .name           = "emu_pwrdm",
        .prcm_offs      = OMAP3430_EMU_MOD,
@@ -200,6 +278,14 @@ static struct powerdomain neon_pwrdm = {
        .voltdm           = { .name = "mpu_iva" },
 };
 
+static struct powerdomain neon_am35x_pwrdm = {
+       .name             = "neon_pwrdm",
+       .prcm_offs        = OMAP3430_NEON_MOD,
+       .pwrsts           = PWRSTS_ON,
+       .pwrsts_logic_ret = PWRSTS_ON,
+       .voltdm           = { .name = "mpu_iva" },
+};
+
 static struct powerdomain usbhost_pwrdm = {
        .name             = "usbhost_pwrdm",
        .prcm_offs        = OMAP3430ES2_USBHOST_MOD,
@@ -293,6 +379,22 @@ static struct powerdomain *powerdomains_omap3430es3_1plus[] __initdata = {
        NULL
 };
 
+static struct powerdomain *powerdomains_am35x[] __initdata = {
+       &wkup_omap2_pwrdm,
+       &mpu_am35x_pwrdm,
+       &neon_am35x_pwrdm,
+       &core_am35x_pwrdm,
+       &sgx_am35x_pwrdm,
+       &dss_am35x_pwrdm,
+       &per_am35x_pwrdm,
+       &emu_pwrdm,
+       &dpll1_pwrdm,
+       &dpll3_pwrdm,
+       &dpll4_pwrdm,
+       &dpll5_pwrdm,
+       NULL
+};
+
 void __init omap3xxx_powerdomains_init(void)
 {
        unsigned int rev;
@@ -301,21 +403,34 @@ void __init omap3xxx_powerdomains_init(void)
                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 == AM35XX_REV_ES1_0 || rev == AM35XX_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");
+       if (rev == AM35XX_REV_ES1_0 || rev == AM35XX_REV_ES1_1) {
+               pwrdm_register_pwrdms(powerdomains_am35x);
+       } else {
+               pwrdm_register_pwrdms(powerdomains_omap3430_common);
+
+               switch (rev) {
+               case OMAP3430_REV_ES1_0:
+                       pwrdm_register_pwrdms(powerdomains_omap3430es1);
+                       break;
+               case OMAP3430_REV_ES2_0:
+               case OMAP3430_REV_ES2_1:
+               case OMAP3430_REV_ES3_0:
+               case OMAP3630_REV_ES1_0:
+                       pwrdm_register_pwrdms(powerdomains_omap3430es2_es3_0);
+                       break;
+               case OMAP3430_REV_ES3_1:
+               case OMAP3430_REV_ES3_1_2:
+               case OMAP3630_REV_ES1_1:
+               case OMAP3630_REV_ES1_2:
+                       pwrdm_register_pwrdms(powerdomains_omap3430es3_1plus);
+                       break;
+               default:
+                       WARN(1, "OMAP3 powerdomain init: unknown chip type\n");
+               }
+       }
 
        pwrdm_complete_init();
 }