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-rw-r--r--src/soc/amd/common/block/alink/Kconfig5
-rw-r--r--src/soc/amd/common/block/alink/Makefile.inc6
-rw-r--r--src/soc/amd/common/block/alink/alink.c95
-rw-r--r--src/soc/amd/common/block/include/amdblocks/alink.h48
-rw-r--r--src/soc/amd/stoneyridge/include/soc/smbus.h23
-rw-r--r--src/soc/amd/stoneyridge/smbus.c76
6 files changed, 154 insertions, 99 deletions
diff --git a/src/soc/amd/common/block/alink/Kconfig b/src/soc/amd/common/block/alink/Kconfig
new file mode 100644
index 0000000000..75cf66f194
--- /dev/null
+++ b/src/soc/amd/common/block/alink/Kconfig
@@ -0,0 +1,5 @@
+config SOC_AMD_COMMON_BLOCK_ALINK
+ bool
+ default n
+ help
+ Select this option to access the FCH A-link configuration registers.
diff --git a/src/soc/amd/common/block/alink/Makefile.inc b/src/soc/amd/common/block/alink/Makefile.inc
new file mode 100644
index 0000000000..720a7cbd82
--- /dev/null
+++ b/src/soc/amd/common/block/alink/Makefile.inc
@@ -0,0 +1,6 @@
+bootblock-$(CONFIG_SOC_AMD_COMMON_BLOCK_ALINK) += alink.c
+verstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ALINK) += alink.c
+romstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ALINK) += alink.c
+postcar-$(CONFIG_SOC_AMD_COMMON_BLOCK_ALINK) += alink.c
+ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ALINK) += alink.c
+smm-$(CONFIG_SOC_AMD_COMMON_BLOCK_ALINK) += alink.c
diff --git a/src/soc/amd/common/block/alink/alink.c b/src/soc/amd/common/block/alink/alink.c
new file mode 100644
index 0000000000..f481f6b340
--- /dev/null
+++ b/src/soc/amd/common/block/alink/alink.c
@@ -0,0 +1,95 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/io.h>
+#include <stdint.h>
+#include <console/console.h>
+#include <amdblocks/alink.h>
+
+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);
+}
diff --git a/src/soc/amd/common/block/include/amdblocks/alink.h b/src/soc/amd/common/block/include/amdblocks/alink.h
new file mode 100644
index 0000000000..a6f748b809
--- /dev/null
+++ b/src/soc/amd/common/block/include/amdblocks/alink.h
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __AMDBLOCKS_ALINK_H__
+#define __AMDBLOCKS_ALINK_H__
+
+#include <stdint.h>
+
+#define AB_INDX 0xcd8
+#define AB_DATA (AB_INDX + 4)
+
+#define AX_INDXC 0
+#define AX_INDXP 2
+#define AXCFG 4
+#define ABCFG 6
+#define RC_INDXC 1
+#define RC_INDXP 3
+
+#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))
+
+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 /* __AMDBLOCKS_ALINK_H__ */
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);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 02:45:38 +0000