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authorSoma BhanuTej <soma.bhanu@in.ibm.com>2017-01-16 11:21:06 -0500
committerSachin Gupta <sgupta2m@in.ibm.com>2017-08-16 23:24:34 -0400
commit9d6db1d53ac7f22e365e12ea89d6ba60955a9fb4 (patch)
treed1d64332d5bc9560ec77f5b5d7e97ffcd2105baa /src/import/chips/p9/procedures/hwp/perv
parent296e3d1fa09cfa6f7347d1a93434712775840e61 (diff)
downloadtalos-sbe-9d6db1d53ac7f22e365e12ea89d6ba60955a9fb4.tar.gz
talos-sbe-9d6db1d53ac7f22e365e12ea89d6ba60955a9fb4.zip
Synchronous stopclk procedure for Quad
Change-Id: Id31daf8c02b74d979927540346a3cef5f88768be RTC: 175615 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/34935 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com> Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com> Reviewed-by: YUE DU <daviddu@us.ibm.com> Reviewed-by: SRINIVAS V. POLISETTY <srinivan@in.ibm.com> Reviewed-by: Joachim Fenkes <fenkes@de.ibm.com> Reviewed-by: RAJA DAS <rajadas2@in.ibm.com> Dev-Ready: Soma Bhanutej <soma.bhanu@in.ibm.com> Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com> Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/34939 Reviewed-by: Hostboot Team <hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/perv')
-rw-r--r--src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.C41
-rw-r--r--src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.H14
2 files changed, 33 insertions, 22 deletions
diff --git a/src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.C b/src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.C
index a4aff4f9..0aaf38ed 100644
--- a/src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.C
+++ b/src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.C
@@ -32,7 +32,7 @@
// *HWP FW Owner : Sunil Kumar <skumar8j@in.ibm.com>
// *HWP Team : Perv
// *HWP Level : 2
-// *HWP Consumed by : FSP:HB
+// *HWP Consumed by : FSP:SBE:HB
//------------------------------------------------------------------------------
//## auto_generated
@@ -53,8 +53,8 @@
//------------------------------------------------------------------------------
// Function definition: p9_stopclocks
-// parameters: i_target => chip target
-// i_flags => flags as per the following definition
+// parameters: i_target => chip target
+// i_flags => flags as per the following definition
// i_flags.stop_nest_clks => True to stop NEST chiplet clocks (should default TRUE)
// i_flags.stop_mc_clks => True to stop MC chiplet clocks (should default TRUE)
// i_flags.stop_xbus_clks => True to stop XBUS chiplet clocks (should default TRUE)
@@ -65,8 +65,9 @@
// i_flags.stop_vitl_clks => True to stop PERVASIVE VITL clocks (should default FALSE)
// i_flags.stop_cache_clks => True to stop CACHE chiplet clocks (should default TRUE)
// i_flags.stop_core_clks => True to stop CORE chiplet clocks (should default TRUE)
-// i_eq_clk_regions => EQ chiplet clock regions of which clocks should be stopped (default ALL_BUT_PLL_REFR)
-// i_ex_select => EX chiplet selected for clocks stop (default BOTH_EX)
+// i_flags.sync_stop_quad_clks => True to stop CACHE & CORE chiplet clocks synchronously (should default TRUE)
+// i_eq_clk_regions => EQ chiplet clock regions of which clocks should be stopped (default ALL_BUT_PLL_REFR)
+// i_ex_select => EX chiplet selected for clocks stop (default BOTH_EX)
// returns: FAPI_RC_SUCCESS if operation was successful, else error
//------------------------------------------------------------------------------
@@ -102,6 +103,8 @@ fapi2::ReturnCode p9_stopclocks(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP
bool tp_ep_rst = true;
bool tp_vitl_clk_off = true;
bool tp_mesh_clk_en = false;
+
+ bool sync_quad_stopclocks = i_flags.sync_stop_quad_clks;
#ifdef __PPE__
uint8_t l_tp_chiplet_accesible = 0;
#endif
@@ -118,9 +121,9 @@ fapi2::ReturnCode p9_stopclocks(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP
i_flags.stop_tp_clks, i_flags.stop_pib_clks,
i_flags.stop_vitl_clks);
FAPI_DBG("p9_stopclocks : Input QUAD arguments received are \n\t"
- "i_stop_cache = %d\n\t i_stop_core = %d\n\t "
+ "i_stop_cache = %d\n\t i_stop_core = %d\n\t i_sync_stop_quad = %d\n\t "
"i_eq_clk_regions = %#018lx \n\t i_ex_select = %#018lx\n",
- i_flags.stop_cache_clks, i_flags.stop_core_clks,
+ i_flags.stop_cache_clks, i_flags.stop_core_clks, i_flags.sync_stop_quad_clks,
(uint64_t)i_eq_clk_regions, (uint64_t)i_ex_select);
FAPI_DBG("p9_stopclocks : Check to see if the Perv Vital clocks are OFF");
@@ -236,7 +239,7 @@ fapi2::ReturnCode p9_stopclocks(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP
uint8_t l_attr_unit_pos = 0;
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CHIP_UNIT_POS, l_target_cplt, l_attr_unit_pos));
- if (l_attr_unit_pos == 0x01)
+ if (l_attr_unit_pos == PERV_CHIPLET_ID)
{
#ifdef __PPE__
@@ -273,23 +276,26 @@ fapi2::ReturnCode p9_stopclocks(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_TARGET_IS_SCOMMABLE, l_target_cplt, l_cplt_scomable));
#endif
- if (l_attr_unit_pos == 0x02 || l_attr_unit_pos == 0x03 || l_attr_unit_pos == 0x04 || l_attr_unit_pos == 0x05)
+ if (l_attr_unit_pos == N0_CHIPLET_ID || l_attr_unit_pos == N1_CHIPLET_ID || l_attr_unit_pos == N2_CHIPLET_ID
+ || l_attr_unit_pos == N3_CHIPLET_ID)
{
nest_cplt_scomable = l_cplt_scomable;
}
- else if (l_attr_unit_pos == 0x06)
+ else if (l_attr_unit_pos == XB_CHIPLET_ID)
{
xbus_cplt_scomable = l_cplt_scomable;
}
- else if (l_attr_unit_pos == 0x07 || l_attr_unit_pos == 0x08 )
+ else if (l_attr_unit_pos == MC01_CHIPLET_ID || l_attr_unit_pos == MC23_CHIPLET_ID )
{
mc_cplt_scomable = l_cplt_scomable;
}
- else if (l_attr_unit_pos == 0x09 || l_attr_unit_pos == 0x0A || l_attr_unit_pos == 0x0B || l_attr_unit_pos == 0x0C)
+ else if (l_attr_unit_pos == OB0_CHIPLET_ID || l_attr_unit_pos == OB1_CHIPLET_ID || l_attr_unit_pos == OB2_CHIPLET_ID
+ || l_attr_unit_pos == OB3_CHIPLET_ID)
{
obus_cplt_scomable = l_cplt_scomable;
}
- else if (l_attr_unit_pos == 0x0D || l_attr_unit_pos == 0x0E || l_attr_unit_pos == 0x0F )
+ else if (l_attr_unit_pos == PCI0_CHIPLET_ID || l_attr_unit_pos == PCI1_CHIPLET_ID
+ || l_attr_unit_pos == PCI2_CHIPLET_ID )
{
pcie_cplt_scomable = l_cplt_scomable;
}
@@ -301,22 +307,23 @@ fapi2::ReturnCode p9_stopclocks(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP
obus_cplt_scomable, pcie_cplt_scomable);
// Core stopclocks
- if(i_flags.stop_core_clks)
+ if(i_flags.stop_core_clks || sync_quad_stopclocks)
{
+
for (const auto& l_target_core : i_target_chip.getChildren<fapi2::TARGET_TYPE_CORE>(fapi2::TARGET_STATE_FUNCTIONAL))
{
FAPI_INF("p9_stopclocks : Calling p9_hcd_core_stopclocks");
- FAPI_TRY(p9_hcd_core_stopclocks(l_target_core));
+ FAPI_TRY(p9_hcd_core_stopclocks(l_target_core, sync_quad_stopclocks));
}
}
// L2 & Cache stopclocks
- if(i_flags.stop_cache_clks)
+ if(i_flags.stop_cache_clks || sync_quad_stopclocks)
{
for (const auto& l_target_eq : i_target_chip.getChildren<fapi2::TARGET_TYPE_EQ>(fapi2::TARGET_STATE_FUNCTIONAL))
{
FAPI_INF("p9_stopclocks : Calling p9_hcd_cache_stopclocks");
- FAPI_TRY(p9_hcd_cache_stopclocks(l_target_eq, i_eq_clk_regions, i_ex_select));
+ FAPI_TRY(p9_hcd_cache_stopclocks(l_target_eq, i_eq_clk_regions, i_ex_select, sync_quad_stopclocks));
}
}
diff --git a/src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.H b/src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.H
index a5dacb06..073d7089 100644
--- a/src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.H
+++ b/src/import/chips/p9/procedures/hwp/perv/p9_stopclocks.H
@@ -32,7 +32,7 @@
// *HWP FW Owner : Sunil Kumar <skumar8j@in.ibm.com>
// *HWP Team : Perv
// *HWP Level : 2
-// *HWP Consumed by : FSP:HB
+// *HWP Consumed by : FSP:SBE:HB
//------------------------------------------------------------------------------
@@ -56,6 +56,7 @@ struct p9_stopclocks_flags
uint32_t stop_vitl_clks : 1; //True if PERV VITL clocks should be stopped, else false
uint32_t stop_cache_clks : 1; //True if CACHE chiplet clocks should be stopped, else false
uint32_t stop_core_clks : 1; //True if CORE chiplet clocks should be stopped, else false
+ uint32_t sync_stop_quad_clks : 1; //True if CACHE & CORE chiplet clocks should be stopped synchronously, else false
// Default constructor - fill default values
p9_stopclocks_flags()
{
@@ -69,6 +70,7 @@ struct p9_stopclocks_flags
stop_vitl_clks = false;
stop_cache_clks = true;
stop_core_clks = true;
+ sync_stop_quad_clks = true;
}
// Set all the flags to false
void clearAll()
@@ -83,6 +85,7 @@ struct p9_stopclocks_flags
stop_vitl_clks = false;
stop_cache_clks = false;
stop_core_clks = false;
+ sync_stop_quad_clks = true;
}
};
@@ -96,8 +99,8 @@ extern "C"
/**
* @brief p9_stopclocks procedure: The purpose of this procedure is to stop the clocks of the P9 processor chip
*
- * @param[in] i_target Reference to processor chip target
- * @param[in] i_flags Flags as per the following definition
+ * @param[in] i_target Reference to processor chip target
+ * @param[in] i_flags Flags as per the following definition
* i_flags.stop_nest_clks True if NEST chiplet clocks should be stopped, else false
* i_flags.stop_mc_clks True if MC chiplet clocks should be stopped, else false
* i_flags.stop_xbus_clks True if XBUS chiplet clocks should be stopped, else false
@@ -108,8 +111,9 @@ extern "C"
* i_flags.stop_vitl_clks True if PERV VITL clocks should be stopped, else false
* i_flags.stop_cache_clks True if CACHE chiplet clocks should be stopped, else false
* i_flags.stop_core_clks True if CORE chiplet clocks should be stopped, else false
- * @param[in] i_eq_clk_regions EQ chiplet clock regions of which clocks should be stopped
- * @param[in] i_ex_select EX chiplet selected for clocks stop
+ * i_flags.sync_stop_quad_clks True if CACHE & CORE chiplet clocks should be stopped synchronously, else false
+ * @param[in] i_eq_clk_regions EQ chiplet clock regions of which clocks should be stopped
+ * @param[in] i_ex_select EX chiplet selected for clocks stop
*
* @return ReturnCode
*/
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