[Skiboot] [PATCH v3 3/8] hw/phys-map: Add Axone memory map

Reza Arbab arbab at linux.ibm.com
Thu Jul 18 06:44:21 AEST 2019


Add the physical memory map for Axone systems. According to
'make hw-check', there are no holes or overlapping regions.

Signed-off-by: Reza Arbab <arbab at linux.ibm.com>
Acked-by: Michael Neuling <mikey at neuling.org>
Reviewed-by: Christophe Lombard <clombard at linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <ajd at linux.ibm.com>
---
 hw/phys-map.c           | 141 ++++++++++++++++++++++++++++++++++++++++++++++--
 hw/test/phys-map-test.c |   1 +
 include/phys-map.h      |   2 +
 3 files changed, 141 insertions(+), 3 deletions(-)

diff --git a/hw/phys-map.c b/hw/phys-map.c
index ee23c7582bcd..df7a770857fd 100644
--- a/hw/phys-map.c
+++ b/hw/phys-map.c
@@ -144,6 +144,134 @@ static const struct phys_map_info phys_map_nimbus = {
 	.table = phys_map_table_nimbus,
 };
 
+static const struct phys_map_entry phys_map_table_axone[] = {
+
+	/* System memory up to 4TB minus GPU memory */
+	{ SYSTEM_MEM,      0, 0x0000000000000000ull, 0x0000034000000000ull },
+	/* GPU memory from 4TB - 128GB*GPU */
+	{ GPU_MEM_4T_DOWN, 5, 0x0000034000000000ull, 0x0000002000000000ull },
+	{ GPU_MEM_4T_DOWN, 4, 0x0000036000000000ull, 0x0000002000000000ull },
+	{ GPU_MEM_4T_DOWN, 3, 0x0000038000000000ull, 0x0000002000000000ull },
+	{ GPU_MEM_4T_DOWN, 2, 0x000003a000000000ull, 0x0000002000000000ull },
+	{ GPU_MEM_4T_DOWN, 1, 0x000003c000000000ull, 0x0000002000000000ull },
+	{ GPU_MEM_4T_DOWN, 0, 0x000003e000000000ull, 0x0000002000000000ull },
+
+	/* 0 TB offset @ MMIO 0x0006000000000000ull */
+	{ PHB4_64BIT_MMIO, 0, 0x0006000000000000ull, 0x0000004000000000ull },
+	{ PHB4_64BIT_MMIO, 1, 0x0006004000000000ull, 0x0000004000000000ull },
+	{ PHB4_64BIT_MMIO, 2, 0x0006008000000000ull, 0x0000004000000000ull },
+	{ PHB4_32BIT_MMIO, 0, 0x000600c000000000ull, 0x0000000080000000ull },
+	{ PHB4_32BIT_MMIO, 1, 0x000600c080000000ull, 0x0000000080000000ull },
+	{ PHB4_32BIT_MMIO, 2, 0x000600c100000000ull, 0x0000000080000000ull },
+	{ PHB4_32BIT_MMIO, 3, 0x000600c180000000ull, 0x0000000080000000ull },
+	{ PHB4_32BIT_MMIO, 4, 0x000600c200000000ull, 0x0000000080000000ull },
+	{ PHB4_32BIT_MMIO, 5, 0x000600c280000000ull, 0x0000000080000000ull },
+	{ PHB4_XIVE_ESB,   0, 0x000600c300000000ull, 0x0000000020000000ull },
+	{ PHB4_XIVE_ESB,   1, 0x000600c320000000ull, 0x0000000020000000ull },
+	{ PHB4_XIVE_ESB,   2, 0x000600c340000000ull, 0x0000000020000000ull },
+	{ PHB4_XIVE_ESB,   3, 0x000600c360000000ull, 0x0000000020000000ull },
+	{ PHB4_XIVE_ESB,   4, 0x000600c380000000ull, 0x0000000020000000ull },
+	{ PHB4_XIVE_ESB,   5, 0x000600c3a0000000ull, 0x0000000020000000ull },
+	{ PHB4_REG_SPC,    0, 0x000600c3c0000000ull, 0x0000000000100000ull },
+	{ PHB4_REG_SPC,    1, 0x000600c3c0100000ull, 0x0000000000100000ull },
+	{ PHB4_REG_SPC,    2, 0x000600c3c0200000ull, 0x0000000000100000ull },
+	{ PHB4_REG_SPC,    3, 0x000600c3c0300000ull, 0x0000000000100000ull },
+	{ PHB4_REG_SPC,    4, 0x000600c3c0400000ull, 0x0000000000100000ull },
+	{ PHB4_REG_SPC,    5, 0x000600c3c0500000ull, 0x0000000000100000ull },
+	{ RESV,            0, 0x000600c3c0600000ull, 0x0000000c3fa00000ull },
+	{ NPU_OCAPI_MMIO,  0, 0x000600d000000000ull, 0x0000000800000000ull },
+	{ NPU_OCAPI_MMIO,  1, 0x000600d800000000ull, 0x0000000800000000ull },
+	{ NPU_OCAPI_MMIO,  2, 0x000600e000000000ull, 0x0000000800000000ull },
+	{ NPU_OCAPI_MMIO,  3, 0x000600e800000000ull, 0x0000000800000000ull },
+	{ NPU_OCAPI_MMIO,  4, 0x000600f000000000ull, 0x0000000800000000ull },
+	{ NPU_OCAPI_MMIO,  5, 0x000600f800000000ull, 0x0000000800000000ull },
+
+	/* 1 TB offset @ MMIO 0x0006000000000000ull */
+	{ XIVE_VC,         0, 0x0006010000000000ull, 0x0000008000000000ull },
+	{ XIVE_PC,         0, 0x0006018000000000ull, 0x0000004000000000ull },
+	{ VAS_USER_WIN,    0, 0x000601c000000000ull, 0x0000000100000000ull },
+	{ VAS_HYP_WIN,     0, 0x000601c100000000ull, 0x0000000002000000ull },
+	{ RESV,            1, 0x000601c102000000ull, 0x0000003efe000000ull },
+
+	/* 2 TB offset @ MMIO 0x0006000000000000ull */
+	{ PHB4_64BIT_MMIO, 3, 0x0006020000000000ull, 0x0000004000000000ull },
+	{ PHB4_64BIT_MMIO, 4, 0x0006024000000000ull, 0x0000004000000000ull },
+	{ PHB4_64BIT_MMIO, 5, 0x0006028000000000ull, 0x0000004000000000ull },
+	{ RESV,            2, 0x000602c000000000ull, 0x0000004000000000ull },
+
+	/* 3 TB offset @ MMIO 0x0006000000000000ull */
+	{ LPC_BUS,         0, 0x0006030000000000ull, 0x0000000100000000ull },
+	{ FSP_MMIO,        0, 0x0006030100000000ull, 0x0000000100000000ull },
+	{ RESV,            3, 0x0006030200000000ull, 0x0000000003000000ull },
+	{ PSIHB_REG,       0, 0x0006030203000000ull, 0x0000000000100000ull },
+	{ XIVE_IC,         0, 0x0006030203100000ull, 0x0000000000080000ull },
+	{ XIVE_TM,         0, 0x0006030203180000ull, 0x0000000000040000ull },
+	{ PSIHB_ESB,       0, 0x00060302031c0000ull, 0x0000000000010000ull },
+	{ NX_RNG,          0, 0x00060302031d0000ull, 0x0000000000010000ull },
+	{ RESV,            4, 0x00060302031e0000ull, 0x00000001fce20000ull },
+	{ MC_OCMB_CFG,     0, 0x0006030400000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     1, 0x0006030480000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    0, 0x0006030500000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    1, 0x0006030580000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     2, 0x0006030600000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     3, 0x0006030680000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    2, 0x0006030700000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    3, 0x0006030780000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     4, 0x0006030800000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     5, 0x0006030880000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    4, 0x0006030900000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    5, 0x0006030980000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     6, 0x0006030a00000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     7, 0x0006030a80000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    6, 0x0006030b00000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    7, 0x0006030b80000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     8, 0x0006030c00000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,     9, 0x0006030c80000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    8, 0x0006030d00000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,    9, 0x0006030d80000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,    10, 0x0006030e00000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,    11, 0x0006030e80000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,   10, 0x0006030f00000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,   11, 0x0006030f80000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,    12, 0x0006031000000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,    13, 0x0006031080000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,   12, 0x0006031100000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,   13, 0x0006031180000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,    14, 0x0006031200000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_CFG,    15, 0x0006031280000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,   14, 0x0006031300000000ull, 0x0000000080000000ull },
+	{ MC_OCMB_MMIO,   15, 0x0006031380000000ull, 0x0000000080000000ull },
+	{ RESV,            5, 0x0006031400000000ull, 0x000000d800000000ull },
+	{ NPU_REGS,        0, 0x000603ec00000000ull, 0x0000000001000000ull },
+	{ NPU_REGS,        1, 0x000603ec01000000ull, 0x0000000001000000ull },
+	{ NPU_REGS,        2, 0x000603ec02000000ull, 0x0000000001000000ull },
+	{ NPU_NTL,         0, 0x000603ec03000000ull, 0x0000000000020000ull },
+	{ NPU_NTL,         1, 0x000603ec03020000ull, 0x0000000000020000ull },
+	{ NPU_NTL,         2, 0x000603ec03040000ull, 0x0000000000020000ull },
+	{ NPU_NTL,         3, 0x000603ec03060000ull, 0x0000000000020000ull },
+	{ NPU_GENID,       0, 0x000603ec03080000ull, 0x0000000000080000ull },
+	{ NPU_NTL,         4, 0x000603ec03100000ull, 0x0000000000020000ull },
+	{ NPU_NTL,         5, 0x000603ec03120000ull, 0x0000000000020000ull },
+	{ NPU_NTL,         6, 0x000603ec03140000ull, 0x0000000000020000ull },
+	{ NPU_NTL,         7, 0x000603ec03160000ull, 0x0000000000020000ull },
+	{ NPU_GENID,       1, 0x000603ec03180000ull, 0x0000000000080000ull },
+	{ NPU_NTL,         8, 0x000603ec03200000ull, 0x0000000000020000ull },
+	{ NPU_NTL,         9, 0x000603ec03220000ull, 0x0000000000020000ull },
+	{ NPU_NTL,        10, 0x000603ec03240000ull, 0x0000000000020000ull },
+	{ NPU_NTL,        11, 0x000603ec03260000ull, 0x0000000000020000ull },
+	{ NPU_GENID,       2, 0x000603ec03280000ull, 0x0000000000080000ull },
+	{ RESV,            6, 0x000603ec03300000ull, 0x0000000ffcd00000ull },
+	{ XSCOM,           0, 0x000603fc00000000ull, 0x0000000400000000ull },
+
+	/* NULL entry at end */
+	{ NULL_MAP, 0, 0, 0 },
+};
+
+static const struct phys_map_info phys_map_axone = {
+	.chip_select_shift = 42,
+	.table = phys_map_table_axone,
+};
+
 static inline bool phys_map_entry_null(const struct phys_map_entry *e)
 {
 	if (e->type == NULL_MAP)
@@ -200,15 +328,22 @@ error:
 	assert(0);
 }
 
-void phys_map_init(unsigned long pvr __unused)
+void phys_map_init(unsigned long pvr)
 {
 	const char *name = "unused";
 
 	phys_map = NULL;
 
 	if (proc_gen == proc_gen_p9) {
-		name = "nimbus";
-		phys_map = &phys_map_nimbus;
+		switch(PVR_TYPE(pvr)) {
+		case PVR_TYPE_P9P:
+			name = "axone";
+			phys_map = &phys_map_axone;
+			break;
+		default:
+			name = "nimbus";
+			phys_map = &phys_map_nimbus;
+		}
 	}
 
 	prlog(PR_DEBUG, "Assigning physical memory map table for %s\n", name);
diff --git a/hw/test/phys-map-test.c b/hw/test/phys-map-test.c
index 9837bf9c7a8c..dbfed8bd5c5e 100644
--- a/hw/test/phys-map-test.c
+++ b/hw/test/phys-map-test.c
@@ -175,6 +175,7 @@ static void check_map_call(void)
 /* Fake PVR definitions. See include/processor.h */
 unsigned long fake_pvr[] = {
 	0x004e0200,	/* PVR_P9 */
+	0x004f0100,	/* PVR_P9P */
 };
 
 int main(void)
diff --git a/include/phys-map.h b/include/phys-map.h
index ba6597d57cde..989f6abc5062 100644
--- a/include/phys-map.h
+++ b/include/phys-map.h
@@ -52,6 +52,8 @@ enum phys_map_type {
 	PSIHB_ESB,
 	NX_RNG,
 	CENTAUR_SCOM,
+	MC_OCMB_CFG,
+	MC_OCMB_MMIO,
 	XSCOM,
 	RESV
 };
-- 
1.8.3.1



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