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pci: layerscape: add LS2088A series SoC pcie support

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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>
This commit is contained in:
Hou Zhiqiang
2017-03-03 12:35:09 +08:00
committed by York Sun
parent 33ed57495a
commit 3d8553f0a3
3 changed files with 89 additions and 0 deletions
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46
arch/arm/cpu/armv8/fsl-layerscape/cpu.c
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@@ -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 */