From 2326a94db10d9b6c0bf322c6536cafcac8e85522 Mon Sep 17 00:00:00 2001 From: Kyle Moffett Date: Tue, 18 Oct 2011 11:05:28 +0000 Subject: e1000: Export core EEPROM access functions for SPI support A followup patch will be adding a configurable feature to enable programming of E1000 EEPROMs from the command line or via the generic U-Boot SPI interface. In order for it to work it needs access to certain E1000-internal functions, so export those in the e1000.h header file. Signed-off-by: Kyle Moffett Cc: Ben Warren --- drivers/net/e1000.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/net/e1000.h') diff --git a/drivers/net/e1000.h b/drivers/net/e1000.h index b4e9cf2240..fc5ed57f93 100644 --- a/drivers/net/e1000.h +++ b/drivers/net/e1000.h @@ -55,10 +55,29 @@ #define DEBUGOUT(fmt, args...) do { } while (0) #endif +/* I/O wrapper functions */ +#define E1000_WRITE_REG(a, reg, value) \ + (writel((value), ((a)->hw_addr + E1000_##reg))) +#define E1000_READ_REG(a, reg) \ + (readl((a)->hw_addr + E1000_##reg)) +#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) \ + (writel((value), ((a)->hw_addr + E1000_##reg + ((offset) << 2)))) +#define E1000_READ_REG_ARRAY(a, reg, offset) \ + (readl((a)->hw_addr + E1000_##reg + ((offset) << 2))) +#define E1000_WRITE_FLUSH(a) \ + do { uint32_t x = E1000_READ_REG(a, STATUS); } while (0) + /* Forward declarations of structures used by the shared code */ struct e1000_hw; struct e1000_hw_stats; +/* Internal E1000 helper functions */ +int32_t e1000_acquire_eeprom(struct e1000_hw *hw); +void e1000_standby_eeprom(struct e1000_hw *hw); +void e1000_release_eeprom(struct e1000_hw *hw); +void e1000_raise_ee_clk(struct e1000_hw *hw, uint32_t *eecd); +void e1000_lower_ee_clk(struct e1000_hw *hw, uint32_t *eecd); + typedef enum { FALSE = 0, TRUE = 1 -- cgit v1.2.3