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intel_scu_ipc: Use the new cpu identification function

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This provides an architecture level board identify function to replace the
cpuid direct usage

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Alan Cox 2010-07-26 10:03:58 +01:00 committed by Matthew Garrett
parent a5b74e69e1
commit 9dd3adeb00
1 changed files with 5 additions and 12 deletions
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17
drivers/platform/x86/intel_scu_ipc.c
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@ -74,8 +74,6 @@ struct intel_scu_ipc_dev {
static struct intel_scu_ipc_dev ipcdev; /* Only one for now */
#define PLATFORM_LANGWELL 1
#define PLATFORM_PENWELL 2
static int platform; /* Platform type */
/*
@ -169,7 +167,7 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
return -ENODEV;
}
if (platform == PLATFORM_LANGWELL) {
if (platform != MRST_CPU_CHIP_PENWELL) {
/* Entry is 4 bytes for read/write, 5 bytes for read modify */
for (nc = 0; nc < count; nc++, offset += 3) {
cbuf[offset] = addr[nc];
@ -217,7 +215,7 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
if (id == IPC_CMD_PCNTRL_R) { /* Read rbuf */
/* Workaround: values are read as 0 without memcpy_fromio */
memcpy_fromio(cbuf, ipcdev.ipc_base + 0x90, 16);
if (platform == PLATFORM_LANGWELL) {
if (platform != MRST_CPU_CHIP_PENWELL) {
for (nc = 0, offset = 2; nc < count; nc++, offset += 3)
data[nc] = ipc_data_readb(offset);
} else {
@ -741,14 +739,9 @@ static struct pci_driver ipc_driver = {
static int __init intel_scu_ipc_init(void)
{
if (boot_cpu_data.x86 == 6 &&
boot_cpu_data.x86_model == 0x27 &&
boot_cpu_data.x86_mask == 1)
platform = PLATFORM_PENWELL;
else if (boot_cpu_data.x86 == 6 &&
boot_cpu_data.x86_model == 0x26)
platform = PLATFORM_LANGWELL;
platform = mrst_identify_cpu();
if (platform == 0)
return -ENODEV;
return pci_register_driver(&ipc_driver);
}