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powerpc/powernv: Update opal.h to add new LPC and XSCOM functions 

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2013-07-15 13:03:09 +10:00
parent ecd73cc5c9
commit cc0efb57eb
2 changed files with 27 additions and 0 deletions
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23
arch/powerpc/include/asm/opal.h
View File

@ -124,6 +124,10 @@ extern int opal_enter_rtas(struct rtas_args *args,
#define OPAL_PCI_POLL 62
#define OPAL_PCI_MSI_EOI 63
#define OPAL_PCI_GET_PHB_DIAG_DATA2 64
#define OPAL_XSCOM_READ 65
#define OPAL_XSCOM_WRITE 66
#define OPAL_LPC_READ 67
#define OPAL_LPC_WRITE 68
#ifndef __ASSEMBLY__
@ -337,6 +341,17 @@ enum OpalEpowStatus {
OPAL_EPOW_OVER_INTERNAL_TEMP = 3
};
/*
* Address cycle types for LPC accesses. These also correspond
* to the content of the first cell of the "reg" property for
* device nodes on the LPC bus
*/
enum OpalLPCAddressType {
OPAL_LPC_MEM = 0,
OPAL_LPC_IO = 1,
OPAL_LPC_FW = 2,
};
struct opal_machine_check_event {
enum OpalMCE_Version version:8; /* 0x00 */
uint8_t in_use; /* 0x01 */
@ -632,6 +647,14 @@ int64_t opal_pci_next_error(uint64_t phb_id, uint64_t *first_frozen_pe,
uint16_t *pci_error_type, uint16_t *severity);
int64_t opal_pci_poll(uint64_t phb_id);
int64_t opal_xscom_read(uint32_t gcid, uint32_t pcb_addr, uint64_t *val);
int64_t opal_xscom_write(uint32_t gcid, uint32_t pcb_addr, uint64_t val);
int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
uint32_t addr, uint32_t data, uint32_t sz);
int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
uint32_t addr, uint32_t *data, uint32_t sz);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data);

4
arch/powerpc/platforms/powernv/opal-wrappers.S
View File

@ -111,3 +111,7 @@ OPAL_CALL(opal_pci_next_error, OPAL_PCI_NEXT_ERROR);
OPAL_CALL(opal_pci_poll, OPAL_PCI_POLL);
OPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI);
OPAL_CALL(opal_pci_get_phb_diag_data2, OPAL_PCI_GET_PHB_DIAG_DATA2);
OPAL_CALL(opal_xscom_read, OPAL_XSCOM_READ);
OPAL_CALL(opal_xscom_write, OPAL_XSCOM_WRITE);
OPAL_CALL(opal_lpc_read, OPAL_LPC_READ);
OPAL_CALL(opal_lpc_write, OPAL_LPC_WRITE);