From 660c67a01f93817efebf312c5f6d685e8329312e Mon Sep 17 00:00:00 2001 From: Lee Leahy Date: Sun, 10 Jul 2016 17:09:24 -0700 Subject: soc/intel/quark: Add host bridge access support Add host bridge register access routines and macros. TEST=Build and run on Galileo Gen2 Change-Id: I52eb6a68e99533fbb69c0ae1e6d581e4c4fab9d2 Signed-off-by: Lee Leahy Reviewed-on: https://review.coreboot.org/15593 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/soc/intel/quark/include/soc/reg_access.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'src/soc/intel/quark/include') diff --git a/src/soc/intel/quark/include/soc/reg_access.h b/src/soc/intel/quark/include/soc/reg_access.h index b934032358..8a1833349e 100644 --- a/src/soc/intel/quark/include/soc/reg_access.h +++ b/src/soc/intel/quark/include/soc/reg_access.h @@ -36,6 +36,7 @@ enum { PCIE_AFE_REGS, PCIE_RESET, GPE0_REGS, + HOST_BRIDGE, }; enum { @@ -89,6 +90,27 @@ enum { #define REG_GPIO_XOR(reg_, value_) \ REG_GPIO_RXW(reg_, 0xffffffff, value_) +/* Host bridge register access macros */ +#define REG_HOST_BRIDGE_ACCESS(cmd_, reg_, mask_, value_, timeout_) \ + SOC_ACCESS(cmd_, reg_, REG_SCRIPT_SIZE_32, mask_, value_, timeout_, \ + HOST_BRIDGE) +#define REG_HOST_BRIDGE_READ(reg_) \ + REG_HOST_BRIDGE_ACCESS(READ, reg_, 0, 0, 0) +#define REG_HOST_BRIDGE_WRITE(reg_, value_) \ + REG_HOST_BRIDGE_ACCESS(WRITE, reg_, 0, value_, 0) +#define REG_HOST_BRIDGE_AND(reg_, value_) \ + REG_HOST_BRIDGE_RMW(reg_, value_, 0) +#define REG_HOST_BRIDGE_RMW(reg_, mask_, value_) \ + REG_HOST_BRIDGE_ACCESS(RMW, reg_, mask_, value_, 0) +#define REG_HOST_BRIDGE_RXW(reg_, mask_, value_) \ + REG_HOST_BRIDGE_ACCESS(RXW, reg_, mask_, value_, 0) +#define REG_HOST_BRIDGE_OR(reg_, value_) \ + REG_HOST_BRIDGE_RMW(reg_, 0xffffffff, value_) +#define REG_HOST_BRIDGE_POLL(reg_, mask_, value_, timeout_) \ + REG_HOST_BRIDGE_ACCESS(POLL, reg_, mask_, value_, timeout_) +#define REG_HOST_BRIDGE_XOR(reg_, value_) \ + REG_HOST_BRIDGE_RXW(reg_, 0xffffffff, value_) + /* Legacy GPIO register access macros */ #define REG_LEG_GPIO_ACCESS(cmd_, reg_, mask_, value_, timeout_) \ SOC_ACCESS(cmd_, reg_, REG_SCRIPT_SIZE_32, mask_, value_, timeout_, \ @@ -208,6 +230,7 @@ void mcr_write(uint8_t opcode, uint8_t port, uint32_t reg_address); uint32_t mdr_read(void); void mdr_write(uint32_t value); void mea_write(uint32_t reg_address); +uint32_t reg_host_bridge_unit_read(uint32_t reg_address); uint32_t reg_legacy_gpio_read(uint32_t reg_address); void reg_legacy_gpio_write(uint32_t reg_address, uint32_t value); uint32_t reg_rmu_temp_read(uint32_t reg_address); -- cgit v1.2.3