diff options
| author | Alexander Graf <agraf@suse.de> | 2012-12-08 14:26:37 +0100 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-12-14 13:12:56 +0100 |
| commit | a911b7a92064d17b862ae85fe8e5ec91b7ba1aa9 (patch) | |
| tree | 636b8c02607bdc29c8453c2c69ebc1efdb58124b /hw/ppc | |
| parent | 732aa6ec2639ace8bcb0b27b9c0d71103bd1d153 (diff) | |
PPC: e500: Add MSI support
Now that our interrupt controller supports MSIs, let's expose that feature
to the guest through the device tree!
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/e500.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index fa9b8ede4b..1034f93963 100644 --- a/hw/ppc/e500.c +++ b/hw/ppc/e500.c @@ -48,6 +48,7 @@ #define MPC8544_CCSRBAR_BASE 0xE0000000ULL #define MPC8544_CCSRBAR_SIZE 0x00100000ULL #define MPC8544_MPIC_REGS_OFFSET 0x40000ULL +#define MPC8544_MSI_REGS_OFFSET 0x41600ULL #define MPC8544_SERIAL0_REGS_OFFSET 0x4500ULL #define MPC8544_SERIAL1_REGS_OFFSET 0x4600ULL #define MPC8544_PCI_REGS_OFFSET 0x8000ULL @@ -127,8 +128,10 @@ static int ppce500_load_device_tree(CPUPPCState *env, char soc[128]; char mpic[128]; uint32_t mpic_ph; + uint32_t msi_ph; char gutil[128]; char pci[128]; + char msi[128]; uint32_t pci_map[7 * 8]; uint32_t pci_ranges[14] = { @@ -300,6 +303,25 @@ static int ppce500_load_device_tree(CPUPPCState *env, qemu_devtree_setprop_cells(fdt, gutil, "reg", MPC8544_UTIL_OFFSET, 0x1000); qemu_devtree_setprop(fdt, gutil, "fsl,has-rstcr", NULL, 0); + snprintf(msi, sizeof(msi), "/%s/msi@%llx", soc, MPC8544_MSI_REGS_OFFSET); + qemu_devtree_add_subnode(fdt, msi); + qemu_devtree_setprop_string(fdt, msi, "compatible", "fsl,mpic-msi"); + qemu_devtree_setprop_cells(fdt, msi, "reg", MPC8544_MSI_REGS_OFFSET, 0x200); + msi_ph = qemu_devtree_alloc_phandle(fdt); + qemu_devtree_setprop_cells(fdt, msi, "msi-available-ranges", 0x0, 0x100); + qemu_devtree_setprop_phandle(fdt, msi, "interrupt-parent", mpic); + qemu_devtree_setprop_cells(fdt, msi, "interrupts", + 0xe0, 0x0, + 0xe1, 0x0, + 0xe2, 0x0, + 0xe3, 0x0, + 0xe4, 0x0, + 0xe5, 0x0, + 0xe6, 0x0, + 0xe7, 0x0); + qemu_devtree_setprop_cell(fdt, msi, "phandle", msi_ph); + qemu_devtree_setprop_cell(fdt, msi, "linux,phandle", msi_ph); + snprintf(pci, sizeof(pci), "/pci@%llx", MPC8544_PCI_REGS_BASE); qemu_devtree_add_subnode(fdt, pci); qemu_devtree_setprop_cell(fdt, pci, "cell-index", 0); @@ -315,6 +337,7 @@ static int ppce500_load_device_tree(CPUPPCState *env, for (i = 0; i < 14; i++) { pci_ranges[i] = cpu_to_be32(pci_ranges[i]); } + qemu_devtree_setprop_cell(fdt, pci, "fsl,msi", msi_ph); qemu_devtree_setprop(fdt, pci, "ranges", pci_ranges, sizeof(pci_ranges)); qemu_devtree_setprop_cells(fdt, pci, "reg", MPC8544_PCI_REGS_BASE >> 32, MPC8544_PCI_REGS_BASE, 0, 0x1000); |