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authorHou Zhiqiang <Zhiqiang.Hou@nxp.com>2017-03-03 12:35:09 +0800
committerYork Sun <york.sun@nxp.com>2017-03-28 09:21:13 -0700
commit3d8553f0a3eea4a0b9b2f6b3ce247fee9c4232f2 (patch)
tree0fb07a584a306930929569368772b7c8ae417421 /arch/arm/cpu/armv8/fsl-layerscape/cpu.c
parent33ed57495ae7b442b364ff3ab55a836544700d5e (diff)
pci: layerscape: add LS2088A series SoC pcie support
The LS2088A series SoCs has different physical memory map address and CCSR registers address against LS2080A series SoCs. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/cpu.c')
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/cpu.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 78e250c1cc..cebbb0fec5 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -89,6 +89,49 @@ static inline void early_mmu_setup(void)
set_sctlr(get_sctlr() | CR_M);
}
+static void fix_pcie_mmu_map(void)
+{
+#ifdef CONFIG_LS2080A
+ unsigned int i;
+ u32 svr, ver;
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+
+ svr = gur_in32(&gur->svr);
+ ver = SVR_SOC_VER(svr);
+
+ /* Fix PCIE base and size for LS2088A */
+ if ((ver == SVR_LS2088A) || (ver == SVR_LS2084A) ||
+ (ver == SVR_LS2048A) || (ver == SVR_LS2044A)) {
+ for (i = 0; i < ARRAY_SIZE(final_map); i++) {
+ switch (final_map[i].phys) {
+ case CONFIG_SYS_PCIE1_PHYS_ADDR:
+ final_map[i].phys = 0x2000000000ULL;
+ final_map[i].virt = 0x2000000000ULL;
+ final_map[i].size = 0x800000000ULL;
+ break;
+ case CONFIG_SYS_PCIE2_PHYS_ADDR:
+ final_map[i].phys = 0x2800000000ULL;
+ final_map[i].virt = 0x2800000000ULL;
+ final_map[i].size = 0x800000000ULL;
+ break;
+ case CONFIG_SYS_PCIE3_PHYS_ADDR:
+ final_map[i].phys = 0x3000000000ULL;
+ final_map[i].virt = 0x3000000000ULL;
+ final_map[i].size = 0x800000000ULL;
+ break;
+ case CONFIG_SYS_PCIE4_PHYS_ADDR:
+ final_map[i].phys = 0x3800000000ULL;
+ final_map[i].virt = 0x3800000000ULL;
+ final_map[i].size = 0x800000000ULL;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+#endif
+}
+
/*
* The final tables look similar to early tables, but different in detail.
* These tables are in DRAM. Sub tables are added to enable cache for
@@ -103,6 +146,9 @@ static inline void final_mmu_setup(void)
unsigned int el = current_el();
int index;
+ /* fix the final_map before filling in the block entries */
+ fix_pcie_mmu_map();
+
mem_map = final_map;
/* Update mapping for DDR to actual size */