acpi_add_ssdt_pstates: Remove function.

Nowhere in database p_state_num is set. So this whole function ends up
being a noop. Moreover the offsets used by it are wrong with any
optimizing iasl. Remove it in preparation of move to per-device ACPI.

Change-Id: I1f1f9743565aa8f0b8fca472ad4cb6d7542fcecb
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7012
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)

src/arch/x86/include/arch/acpi.h

@@ -573,9 +573,6 @@ void acpi_jump_to_wakeup(void *wakeup_addr);
 int __attribute__((weak)) acpi_get_sleep_type(void);
 #endif	/* IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) */
 
-/* northbridge/amd/amdfam10/amdfam10_acpi.c */
-unsigned long acpi_add_ssdt_pstates(acpi_rsdp_t *rsdp, unsigned long current);
-
 /* cpu/intel/speedstep/acpi.c */
 void generate_cpu_entries(void);
 

src/include/cpu/amd/amdfam10_sysconf.h

@@ -56,8 +56,6 @@ struct amdfam10_sysconf_t {
 
 	msr_t msr_pstate[NODE_NUMS * 5]; // quad cores all cores in one node should be the same, and p0,..p5
 	unsigned needs_update_pstate_msrs;
-	struct p_state_t p_state[NODE_NUMS * 5];
-	unsigned p_state_num;
 
 	unsigned bsp_apicid;
 	int enabled_apic_ext_id;

src/mainboard/advansus/a785e-i/acpi_tables.c

@@ -157,9 +157,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/amd/bimini_fam10/acpi_tables.c

@@ -182,9 +182,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/amd/serengeti_cheetah_fam10/acpi_tables.c

@@ -252,9 +252,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt, ssdt->length);
 	acpi_add_table(rsdp, ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different possition? We may have to copy,

src/mainboard/amd/tilapia_fam10/acpi_tables.c

@@ -176,9 +176,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/asus/m4a78-em/acpi_tables.c

@@ -150,9 +150,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/asus/m5a88-v/acpi_tables.c

@@ -157,9 +157,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/avalue/eax-785e/acpi_tables.c

@@ -157,9 +157,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/gigabyte/ma785gm/acpi_tables.c

@@ -151,9 +151,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/gigabyte/ma785gmt/acpi_tables.c

@@ -149,9 +149,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/gigabyte/ma78gm/acpi_tables.c

@@ -149,9 +149,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/jetway/pa78vm5/acpi_tables.c

@@ -150,9 +150,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/mainboard/supermicro/h8scm_fam10/acpi_tables.c

@@ -164,9 +164,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
 	acpi_add_table(rsdp,ssdt);
 
-	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
-	current = acpi_add_ssdt_pstates(rsdp, current);
-
 #if CONFIG_ACPI_SSDTX_NUM >= 1
 
 	/* same htio, but different position? We may have to copy,

src/northbridge/amd/amdfam10/Makefile.inc

@@ -3,11 +3,6 @@ ramstage-y += misc_control.c
 
 ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
 ramstage-$(CONFIG_HAVE_ACPI_TABLES) += ssdt.asl
-ramstage-$(CONFIG_HAVE_ACPI_TABLES) += sspr1.asl
-ramstage-$(CONFIG_HAVE_ACPI_TABLES) += sspr2.asl
-ramstage-$(CONFIG_HAVE_ACPI_TABLES) += sspr3.asl
-ramstage-$(CONFIG_HAVE_ACPI_TABLES) += sspr4.asl
-ramstage-$(CONFIG_HAVE_ACPI_TABLES) += sspr5.asl
 
 ramstage-y += get_pci1234.c
 

src/northbridge/amd/amdfam10/acpi.c

@@ -290,90 +290,3 @@ void update_ssdtx(void *ssdtx, int i)
 
 }
 
-static void update_sspr(void *sspr, u32 nodeid, u32 cpuindex)
-{
-	u8 *CPU;
-	u8 *CPUIN;
-	u8 *COREFREQ;
-	u8 *POWER;
-	u8 *TRANSITION_LAT;
-	u8 *BUSMASTER_LAT;
-	u8 *CONTROL;
-	u8 *STATUS;
-	unsigned offset = 0x94 - 0x7f;
-	int i;
-
-	CPU = sspr + 0x38;
-	CPUIN = sspr + 0x3a;
-
-	COREFREQ = sspr + 0x7f; //2 byte
-	POWER = sspr + 0x82; //3 bytes
-	TRANSITION_LAT = sspr + 0x87; //two bytes
-	BUSMASTER_LAT = sspr + 0x8a; //two bytes
-	CONTROL = sspr + 0x8d;
-	STATUS = sspr + 0x8f;
-
-	snprintf((char*)CPU, 3, "%02x", (char)cpuindex);
-	*CPUIN = (u8) cpuindex;
-
-	for(i=0;i<sysconf.p_state_num;i++) {
-		struct p_state_t *p_state = &sysconf.p_state[nodeid * 5 + i];
-		intx_to_stream(p_state->corefreq, 2, COREFREQ + i*offset);
-		intx_to_stream(p_state->power, 3, POWER + i*offset);
-		intx_to_stream(p_state->transition_lat, 2, TRANSITION_LAT + i*offset);
-		intx_to_stream(p_state->busmaster_lat, 2, BUSMASTER_LAT + i*offset);
-		*((u8 *)(CONTROL + i*offset)) =(u8) p_state->control;
-		*((u8 *)(STATUS + i*offset)) =(u8) p_state->status;
-	}
-}
-
-extern const unsigned char AmlCode_sspr5[];
-extern const unsigned char AmlCode_sspr4[];
-extern const unsigned char AmlCode_sspr3[];
-extern const unsigned char AmlCode_sspr2[];
-extern const unsigned char AmlCode_sspr1[];
-
-/* fixme: find one good way for different p_state_num */
-unsigned long acpi_add_ssdt_pstates(acpi_rsdp_t *rsdp, unsigned long current)
-{
-	device_t cpu;
-	int cpu_index = 0;
-
-	acpi_header_t *ssdt;
-
-	if(!sysconf.p_state_num) return current;
-
-	void *AmlCode_sspr;
-	switch(sysconf.p_state_num) {
-		case 1: AmlCode_sspr = &AmlCode_sspr1; break;
-		case 2: AmlCode_sspr = &AmlCode_sspr2; break;
-		case 3: AmlCode_sspr = &AmlCode_sspr3; break;
-		case 4: AmlCode_sspr = &AmlCode_sspr4; break;
-		default: AmlCode_sspr = &AmlCode_sspr5; break;
-	}
-
-	for(cpu = all_devices; cpu; cpu = cpu->next) {
-		if ((cpu->path.type != DEVICE_PATH_APIC) ||
-		   (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) {
-			continue;
-		}
-		if (!cpu->enabled) {
-			 continue;
-		}
-		printk(BIOS_DEBUG, "ACPI: pstate cpu_index=%02x, node_id=%02x, core_id=%02x\n", cpu_index, cpu->path.apic.node_id, cpu->path.apic.core_id);
-
-		current	  = ALIGN(current, 16);
-		ssdt = (acpi_header_t *)current;
-		memcpy(ssdt, AmlCode_sspr, sizeof(acpi_header_t));
-		current += ssdt->length;
-		memcpy(ssdt, AmlCode_sspr, ssdt->length);
-		update_sspr((void*)ssdt,cpu->path.apic.node_id, cpu_index);
-		/* recalculate checksum */
-		ssdt->checksum = 0;
-		ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
-		acpi_add_table(rsdp, ssdt);
-
-		cpu_index++;
-	}
-	return current;
-}