src/amd/stoneyridge: Move alink source to common

Relocate the alink access functions out of stoneyridge where they
were dead code.  This source maintains the ability to access all
register spaces, however more modern APUs define only ABCFG in
the BKDGs.

BUG=b:131682806

Change-Id: I5c558ccc64bd04a66399c678d43beb0a97e72f63
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32663
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 0 insertions, 99 deletions

diff --git a/src/soc/amd/stoneyridge/include/soc/smbus.h b/src/soc/amd/stoneyridge/include/soc/smbus.h
index 71f7fafa5e..391084d807 100644
--- a/src/soc/amd/stoneyridge/include/soc/smbus.h
+++ b/src/soc/amd/stoneyridge/include/soc/smbus.h
@@ -21,38 +21,15 @@
 
 #define SMB_SPEED_400KHZ		(66000000 / (400000 * 4))
 
-#define AX_INDXC			0
-#define AX_INDXP			2
-#define AXCFG				4
-#define ABCFG				6
-#define RC_INDXC			1
-#define RC_INDXP			3
-
 /*
  * Between 1-10 seconds, We should never timeout normally
  * Longer than this is just painful when a timeout condition occurs.
  */
 #define SMBUS_TIMEOUT (100 * 1000 * 10)
 
-#define abcfg_reg(reg, mask, val)	\
-	alink_ab_indx((ABCFG), (reg), (mask), (val))
-#define axcfg_reg(reg, mask, val)	\
-	alink_ab_indx((AXCFG), (reg), (mask), (val))
-#define axindxc_reg(reg, mask, val)	\
-	alink_ax_indx((AX_INDXC), (reg), (mask), (val))
-#define axindxp_reg(reg, mask, val)		\
-	alink_ax_indx((AX_INDXP), (reg), (mask), (val))
-#define rcindxc_reg(reg, port, mask, val)	\
-	alink_rc_indx((RC_INDXC), (reg), (port), (mask), (val))
-#define rcindxp_reg(reg, port, mask, val)	\
-	alink_rc_indx((RC_INDXP), (reg), (port), (mask), (val))
-
 int do_smbus_read_byte(u32 mmio, u8 device, u8 address);
 int do_smbus_write_byte(u32 mmio, u8 device, u8 address, u8 val);
 int do_smbus_recv_byte(u32 mmio, u8 device);
 int do_smbus_send_byte(u32 mmio, u8 device, u8 val);
-void alink_rc_indx(u32 reg_space, u32 reg_addr, u32 port, u32 mask, u32 val);
-void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val);
-void alink_ax_indx(u32 space /*c or p? */, u32 axindc, u32 mask, u32 val);
 
 #endif /* __STONEYRIDGE_SMBUS_H__ */
diff --git a/src/soc/amd/stoneyridge/smbus.c b/src/soc/amd/stoneyridge/smbus.c
index df7a86edc7..31457f98b8 100644
--- a/src/soc/amd/stoneyridge/smbus.c
+++ b/src/soc/amd/stoneyridge/smbus.c
@@ -189,79 +189,3 @@ int do_smbus_write_byte(u32 mmio, u8 device, u8 address, u8 val)
 
 	return 0;
 }
-
-void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val)
-{
-	u32 tmp;
-
-	outl((reg_space & 0x7) << 29 | reg_addr, AB_INDX);
-	tmp = inl(AB_DATA);
-	/* rpr 4.2
-	 * For certain revisions of the chip, the ABCFG registers,
-	 * with an address of 0x100NN (where 'N' is any hexadecimal
-	 * number), require an extra programming step.*/
-	outl(0, AB_INDX);
-
-	tmp &= ~mask;
-	tmp |= val;
-
-	// printk(BIOS_DEBUG, "about write %x, index=%x", tmp,
-	//				(reg_space&0x3)<<29 | reg_addr);
-
-	/* probably we dont have to do it again. */
-	outl((reg_space & 0x7) << 29 | reg_addr, AB_INDX);
-	outl(tmp, AB_DATA);
-	outl(0, AB_INDX);
-}
-
-void alink_rc_indx(u32 reg_space, u32 reg_addr, u32 port, u32 mask, u32 val)
-{
-	u32 tmp;
-
-	outl((reg_space & 0x7) << 29 | (port & 3) << 24 | reg_addr, AB_INDX);
-	tmp = inl(AB_DATA);
-	/* rpr 4.2
-	 * For certain revisions of the chip, the ABCFG registers,
-	 * with an address of 0x100NN (where 'N' is any hexadecimal
-	 * number), require an extra programming step.*/
-	outl(0, AB_INDX);
-
-	tmp &= ~mask;
-	tmp |= val;
-
-	//printk(BIOS_DEBUG, "about write %x, index=%x", tmp,
-	//		(reg_space&0x3)<<29 | (port&3) << 24 | reg_addr);
-
-	/* probably we dont have to do it again. */
-	outl((reg_space & 0x7) << 29 | (port & 3) << 24 | reg_addr, AB_INDX);
-	outl(tmp, AB_DATA);
-	outl(0, AB_INDX);
-}
-
-/*
- * space = 0: AX_INDXC, AX_DATAC
- * space = 1: AX_INDXP, AX_DATAP
- */
-void alink_ax_indx(u32 space /*c or p? */, u32 axindc, u32 mask, u32 val)
-{
-	u32 tmp;
-
-	/* read axindc to tmp */
-	outl(space << 29 | space << 3 | 0x30, AB_INDX);
-	outl(axindc, AB_DATA);
-	outl(0, AB_INDX);
-	outl(space << 29 | space << 3 | 0x34, AB_INDX);
-	tmp = inl(AB_DATA);
-	outl(0, AB_INDX);
-
-	tmp &= ~mask;
-	tmp |= val;
-
-	/* write tmp */
-	outl(space << 29 | space << 3 | 0x30, AB_INDX);
-	outl(axindc, AB_DATA);
-	outl(0, AB_INDX);
-	outl(space << 29 | space << 3 | 0x34, AB_INDX);
-	outl(tmp, AB_DATA);
-	outl(0, AB_INDX);
-}