soc/mediatek: move functions of mmu operation to common folder

Move mtk_soc_disable_l2c_sram and mtk_soc_after_dram to common folder
which are the same between MT8192, MT8195 and MT8186.

TEST=build pass
BUG=b:202871018

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I8f49214b932a8d28ed2ca0d764dc745fa8ad330d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59246
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

4 files changed, 13 insertions, 51 deletions

diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc
index d713e4d4c2..e5ca4857fc 100644
--- a/src/soc/mediatek/mt8192/Makefile.inc
+++ b/src/soc/mediatek/mt8192/Makefile.inc
@@ -30,7 +30,7 @@ romstage-y += ../common/flash_controller.c
 romstage-y += ../common/gpio.c gpio.c
 romstage-y += ../common/i2c.c i2c.c
 romstage-y += ../common/memory.c ../common/memory_test.c
-romstage-y += ../common/mmu_operations.c mmu_operations.c
+romstage-y += ../common/mmu_operations.c ../common/mmu_cmops.c
 romstage-y += ../common/pll.c pll.c
 romstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c
 romstage-y += ../common/timer.c
@@ -55,7 +55,7 @@ ramstage-y += ../common/i2c.c i2c.c
 ramstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c
 ramstage-y += ../common/mcu.c
 ramstage-y += ../common/mcupm.c
-ramstage-y += ../common/mmu_operations.c mmu_operations.c
+ramstage-y += ../common/mmu_operations.c ../common/mmu_cmops.c
 ramstage-$(CONFIG_COMMONLIB_STORAGE_MMC) += ../common/msdc.c
 ramstage-y += ../common/mtcmos.c mtcmos.c
 ramstage-y += ../common/pmif.c
diff --git a/src/soc/mediatek/mt8192/include/soc/mcucfg.h b/src/soc/mediatek/mt8192/include/soc/mcucfg.h
index 1d270ecd41..b9f1f38e73 100644
--- a/src/soc/mediatek/mt8192/include/soc/mcucfg.h
+++ b/src/soc/mediatek/mt8192/include/soc/mcucfg.h
@@ -1033,6 +1033,6 @@ check_member(mt8192_mcucfg_regs, mcusys_reserved_reg4, 0x7fd0);
 check_member(mt8192_mcucfg_regs, mcusys_reserved_reg0, 0x7fe0);
 check_member(mt8192_mcucfg_regs, mcusys_reserved_reg3_rd, 0x7ffc);
 
-static struct mt8192_mcucfg_regs *const mt8192_mcucfg = (void *)MCUCFG_BASE;
+static struct mt8192_mcucfg_regs *const mtk_mcucfg = (void *)MCUCFG_BASE;
 
 #endif  /* SOC_MEDIATEK_MT8192_MCUCFG_H */
diff --git a/src/soc/mediatek/mt8192/mmu_operations.c b/src/soc/mediatek/mt8192/mmu_operations.c
deleted file mode 100644
index e3bc62282d..0000000000
--- a/src/soc/mediatek/mt8192/mmu_operations.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <device/mmio.h>
-#include <soc/mcucfg.h>
-#include <soc/mmu_operations.h>
-#include <soc/symbols.h>
-
-DEFINE_BIT(MP0_CLUSTER_CFG0_L3_SHARE_EN, 9)
-DEFINE_BIT(MP0_CLUSTER_CFG0_L3_SHARE_PRE_EN, 8)
-
-void mtk_soc_disable_l2c_sram(void)
-{
-	unsigned long v;
-
-	SET32_BITFIELDS(&mt8192_mcucfg->mp0_cluster_cfg0,
-			MP0_CLUSTER_CFG0_L3_SHARE_EN, 0);
-	dsb();
-
-	__asm__ volatile ("mrs %0, S3_0_C15_C3_5" : "=r" (v));
-	v |= (0xf << 4);
-	__asm__ volatile ("msr S3_0_C15_C3_5, %0" : : "r" (v));
-	dsb();
-
-	do {
-		__asm__ volatile ("mrs %0, S3_0_C15_C3_7" : "=r" (v));
-	} while (((v >> 0x4) & 0xf) != 0xf);
-
-	SET32_BITFIELDS(&mt8192_mcucfg->mp0_cluster_cfg0,
-			MP0_CLUSTER_CFG0_L3_SHARE_PRE_EN, 0);
-	dsb();
-}
-
-/* mtk_soc_after_dram is called in romstage */
-void mtk_soc_after_dram(void)
-{
-	mmu_config_range(_dram_dma, REGION_SIZE(dram_dma),
-			 NONSECURE_UNCACHED_MEM);
-}
diff --git a/src/soc/mediatek/mt8192/pll.c b/src/soc/mediatek/mt8192/pll.c
index e49e222c7c..c9e2753174 100644
--- a/src/soc/mediatek/mt8192/pll.c
+++ b/src/soc/mediatek/mt8192/pll.c
@@ -417,13 +417,13 @@ void mt_pll_init(void)
 	}
 
 	/* MCUCFG CLKMUX */
-	clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg0, MCU_DIV_MASK, MCU_DIV_1);
-	clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg1, MCU_DIV_MASK, MCU_DIV_1);
-	clrsetbits32(&mt8192_mcucfg->bus_plldiv_cfg, MCU_DIV_MASK, MCU_DIV_1);
+	clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg0, MCU_DIV_MASK, MCU_DIV_1);
+	clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg1, MCU_DIV_MASK, MCU_DIV_1);
+	clrsetbits32(&mtk_mcucfg->bus_plldiv_cfg, MCU_DIV_MASK, MCU_DIV_1);
 
-	clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
-	clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg1, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
-	clrsetbits32(&mt8192_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
+	clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
+	clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg1, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
+	clrsetbits32(&mtk_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
 
 	/* enable infrasys DCM */
 	setbits32(&mt8192_infracfg->infra_bus_dcm_ctrl, 0x3 << 21);
@@ -481,7 +481,7 @@ void mt_pll_raise_little_cpu_freq(u32 freq)
 	setbits32(&mtk_topckgen->clk_misc_cfg_0, 1 << 4);
 
 	/* switch ca55 clock source to intermediate clock */
-	clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_DIV_PLL1);
+	clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_DIV_PLL1);
 
 	/* disable armpll_ll frequency output */
 	clrbits32(plls[APMIXED_ARMPLL_LL].reg, PLL_EN);
@@ -494,7 +494,7 @@ void mt_pll_raise_little_cpu_freq(u32 freq)
 	udelay(PLL_EN_DELAY);
 
 	/* switch ca55 clock source back to armpll_ll */
-	clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
+	clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
 
 	/* disable [4] intermediate clock armpll_divider_pll1_ck */
 	clrbits32(&mtk_topckgen->clk_misc_cfg_0, 1 << 4);
@@ -566,7 +566,7 @@ void mt_pll_raise_cci_freq(u32 freq)
 	setbits32(&mtk_topckgen->clk_misc_cfg_0, 1 << 4);
 
 	/* switch cci clock source to intermediate clock */
-	clrsetbits32(&mt8192_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_DIV_PLL1);
+	clrsetbits32(&mtk_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_DIV_PLL1);
 
 	/* disable ccipll frequency output */
 	clrbits32(plls[APMIXED_CCIPLL].reg, PLL_EN);
@@ -579,7 +579,7 @@ void mt_pll_raise_cci_freq(u32 freq)
 	udelay(PLL_EN_DELAY);
 
 	/* switch cci clock source back to ccipll */
-	clrsetbits32(&mt8192_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
+	clrsetbits32(&mtk_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_PLL);
 
 	/* disable [4] intermediate clock armpll_divider_pll1_ck */
 	clrbits32(&mtk_topckgen->clk_misc_cfg_0, 1 << 4);