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authorTristan Shieh <tristan.shieh@mediatek.com>2018-06-12 15:04:43 +0800
committerPatrick Georgi <pgeorgi@google.com>2018-07-02 07:30:18 +0000
commit0423a2bd1a710c21c741a909abead82956d8cbd6 (patch)
tree4fb8a39956c1b18ce40e4b0cfb8c08ede3c653cf /src/soc/mediatek/mt8173
parent2fc1a37c04e0eb7f6db8d9d569205151041b16e6 (diff)
downloadcoreboot-0423a2bd1a710c21c741a909abead82956d8cbd6.tar.xz
mediatek: Share mtcmos code among similar SOCs
Refactor mtcmos code which will be reused among similar SOCs. BUG=b:80501386 BRANCH=none TEST=Boots correctly on Elm Change-Id: Ibfd0a90f6eba3ed2e74a3fd54279c7645aa41774 Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com> Reviewed-on: https://review.coreboot.org/27028 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/soc/mediatek/mt8173')
-rw-r--r--src/soc/mediatek/mt8173/dramc_pi_basic_api.c6
-rw-r--r--src/soc/mediatek/mt8173/include/soc/mtcmos.h7
-rw-r--r--src/soc/mediatek/mt8173/include/soc/spm.h13
-rw-r--r--src/soc/mediatek/mt8173/mtcmos.c68
4 files changed, 59 insertions, 35 deletions
diff --git a/src/soc/mediatek/mt8173/dramc_pi_basic_api.c b/src/soc/mediatek/mt8173/dramc_pi_basic_api.c
index e471b4f312..cb6cc2c2e3 100644
--- a/src/soc/mediatek/mt8173/dramc_pi_basic_api.c
+++ b/src/soc/mediatek/mt8173/dramc_pi_basic_api.c
@@ -381,15 +381,15 @@ void mem_pll_init(const struct mt8173_sdram_params *sdram_params)
}
/* mempll new power-on */
- write32(&mt8173_spm->poweron_config_set, 0x1 << 0 |
+ write32(&mtk_spm->poweron_config_set, 0x1 << 0 |
SPM_PROJECT_CODE << 16);
/* request mempll reset/pdn mode */
- setbits_le32(&mt8173_spm->power_on_val0, 0x1 << 27);
+ setbits_le32(&mtk_spm->power_on_val0, 0x1 << 27);
udelay(2);
/* unrequest mempll reset/pdn mode and wait settle */
- clrbits_le32(&mt8173_spm->power_on_val0, 0x1 << 27);
+ clrbits_le32(&mtk_spm->power_on_val0, 0x1 << 27);
udelay(31); /* PLL ready */
diff --git a/src/soc/mediatek/mt8173/include/soc/mtcmos.h b/src/soc/mediatek/mt8173/include/soc/mtcmos.h
index a2b4f6554c..5460e1fde0 100644
--- a/src/soc/mediatek/mt8173/include/soc/mtcmos.h
+++ b/src/soc/mediatek/mt8173/include/soc/mtcmos.h
@@ -13,9 +13,10 @@
* GNU General Public License for more details.
*/
-#ifndef __SOC_MEDIATEK_MT8173_MTCMOS_H__
-#define __SOC_MEDIATEK_MT8173_MTCMOS_H__
+#ifndef __SOC_MEDIATEK_COMMON_MTCMOS_H__
+#define __SOC_MEDIATEK_COMMON_MTCMOS_H__
void mtcmos_audio_power_on(void);
void mtcmos_display_power_on(void);
-#endif /* __SOC_MEDIATEK_MT8173_MTCMOS_H__ */
+
+#endif /* __SOC_MEDIATEK_COMMON_MTCMOS_H__ */
diff --git a/src/soc/mediatek/mt8173/include/soc/spm.h b/src/soc/mediatek/mt8173/include/soc/spm.h
index 77516fc1f0..133c8a30f8 100644
--- a/src/soc/mediatek/mt8173/include/soc/spm.h
+++ b/src/soc/mediatek/mt8173/include/soc/spm.h
@@ -23,7 +23,14 @@ enum {
SPM_PROJECT_CODE = 0xb16
};
-struct mt8173_spm_regs {
+enum {
+ DISP_SRAM_PDN_MASK = 0xf << 8,
+ DISP_SRAM_ACK_MASK = 0x1 << 12,
+ AUDIO_SRAM_PDN_MASK = 0xf << 8,
+ AUDIO_SRAM_ACK_MASK = 0xf << 12,
+};
+
+struct mtk_spm_regs {
u32 poweron_config_set;
u32 reserved1[3];
u32 power_on_val0; /* 0x010 */
@@ -152,8 +159,8 @@ struct mt8173_spm_regs {
u32 sleep_ca15_wfi_en[4];
};
-check_member(mt8173_spm_regs, sleep_ca15_wfi_en[3], 0xf1c);
+check_member(mtk_spm_regs, sleep_ca15_wfi_en[3], 0xf1c);
-static struct mt8173_spm_regs *const mt8173_spm = (void *)SPM_BASE;
+static struct mtk_spm_regs *const mtk_spm = (void *)SPM_BASE;
#endif /* __SOC_MEDIATEK_MT8173_SPM_H__ */
diff --git a/src/soc/mediatek/mt8173/mtcmos.c b/src/soc/mediatek/mt8173/mtcmos.c
index cdd31f4bc1..00e37edb9b 100644
--- a/src/soc/mediatek/mt8173/mtcmos.c
+++ b/src/soc/mediatek/mt8173/mtcmos.c
@@ -13,10 +13,19 @@
* GNU General Public License for more details.
*/
+#include <stddef.h>
+
#include <arch/io.h>
#include <soc/mtcmos.h>
#include <soc/spm.h>
+struct power_domain_data {
+ void *pwr_con;
+ u32 pwr_sta_mask;
+ u32 sram_pdn_mask;
+ u32 sram_ack_mask;
+};
+
enum {
SRAM_ISOINT_B = 1U << 6,
SRAM_CKISO = 1U << 5,
@@ -28,44 +37,51 @@ enum {
};
enum {
- SRAM_PDN = 0xf << 8,
- DIS_SRAM_ACK = 0x1 << 12,
- AUD_SRAM_ACK = 0xf << 12,
-};
-
-enum {
- DIS_PWR_STA_MASK = 0x1 << 3,
- AUD_PWR_STA_MASK = 0x1 << 24,
+ DISP_PWR_STA_MASK = 0x1 << 3,
+ AUDIO_PWR_STA_MASK = 0x1 << 24,
};
-static void mtcmos_power_on(u32 *pwr_con, u32 pwr_sta_mask)
+static void mtcmos_power_on(const struct power_domain_data *pd)
{
- write32(&mt8173_spm->poweron_config_set,
+ write32(&mtk_spm->poweron_config_set,
(SPM_PROJECT_CODE << 16) | (1U << 0));
- setbits_le32(pwr_con, PWR_ON);
- setbits_le32(pwr_con, PWR_ON_2ND);
+ setbits_le32(pd->pwr_con, PWR_ON);
+ setbits_le32(pd->pwr_con, PWR_ON_2ND);
- while (!(read32(&mt8173_spm->pwr_status) & pwr_sta_mask) ||
- !(read32(&mt8173_spm->pwr_status_2nd) & pwr_sta_mask))
+ while (!(read32(&mtk_spm->pwr_status) & pd->pwr_sta_mask) ||
+ !(read32(&mtk_spm->pwr_status_2nd) & pd->pwr_sta_mask))
continue;
- clrbits_le32(pwr_con, PWR_CLK_DIS);
- clrbits_le32(pwr_con, PWR_ISO);
- setbits_le32(pwr_con, PWR_RST_B);
- clrbits_le32(pwr_con, SRAM_PDN);
-}
+ clrbits_le32(pd->pwr_con, PWR_CLK_DIS);
+ clrbits_le32(pd->pwr_con, PWR_ISO);
+ setbits_le32(pd->pwr_con, PWR_RST_B);
+ clrbits_le32(pd->pwr_con, pd->sram_pdn_mask);
-void mtcmos_audio_power_on(void)
-{
- mtcmos_power_on(&mt8173_spm->audio_pwr_con, AUD_PWR_STA_MASK);
- while (read32(&mt8173_spm->audio_pwr_con) & AUD_SRAM_ACK)
+ while (read32(pd->pwr_con) & pd->sram_ack_mask)
continue;
}
void mtcmos_display_power_on(void)
{
- mtcmos_power_on(&mt8173_spm->dis_pwr_con, DIS_PWR_STA_MASK);
- while (read32(&mt8173_spm->dis_pwr_con) & DIS_SRAM_ACK)
- continue;
+ static const struct power_domain_data disp = {
+ .pwr_con = &mtk_spm->dis_pwr_con,
+ .pwr_sta_mask = DISP_PWR_STA_MASK,
+ .sram_pdn_mask = DISP_SRAM_PDN_MASK,
+ .sram_ack_mask = DISP_SRAM_ACK_MASK,
+ };
+
+ mtcmos_power_on(&disp);
+}
+
+void mtcmos_audio_power_on(void)
+{
+ static const struct power_domain_data audio = {
+ .pwr_con = &mtk_spm->audio_pwr_con,
+ .pwr_sta_mask = AUDIO_PWR_STA_MASK,
+ .sram_pdn_mask = AUDIO_SRAM_PDN_MASK,
+ .sram_ack_mask = AUDIO_SRAM_ACK_MASK,
+ };
+
+ mtcmos_power_on(&audio);
}