| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <1576657848-14711-7-git-send-email-weiyi.lu@mediatek.com>
Date: Wed, 18 Dec 2019 16:30:42 +0800
From: Weiyi Lu <weiyi.lu@...iatek.com>
To: Nicolas Boichat <drinkcat@...omium.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh@...nel.org>,
Sascha Hauer <kernel@...gutronix.de>
CC: James Liao <jamesjj.liao@...iatek.com>,
Fan Chen <fan.chen@...iatek.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>,
<srv_heupstream@...iatek.com>, Weiyi Lu <weiyi.lu@...iatek.com>
Subject: [PATCH v10 06/12] soc: mediatek: Use bp_table for all compatibles
Only use bp_table for bus protection of all compatibles,
instead of mixing bus_prot_mask and bus_prot_reg_update.
Signed-off-by: Weiyi Lu <weiyi.lu@...iatek.com>
---
drivers/soc/mediatek/mtk-scpsys.c | 94 ++++++++++++++++++++-------------------
1 file changed, 48 insertions(+), 46 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index 5699d9f..c438c53 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -11,7 +11,6 @@
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/regulator/consumer.h>
-#include <linux/soc/mediatek/infracfg.h>
#include <linux/soc/mediatek/scpsys-ext.h>
#include <dt-bindings/power/mt2701-power.h>
@@ -88,7 +87,6 @@
* @ctl_offs: The offset for main power control register.
* @sram_pdn_bits: The mask for sram power control bits.
* @sram_pdn_ack_bits: The mask for sram power control acked bits.
- * @bus_prot_mask: The mask for single step bus protection.
* @basic_clk_name: The basic clocks required by this power domain.
* @caps: The flag for active wake-up action.
* @bp_table: The mask table for multiple step bus protection.
@@ -99,7 +97,6 @@ struct scp_domain_data {
int ctl_offs;
u32 sram_pdn_bits;
u32 sram_pdn_ack_bits;
- u32 bus_prot_mask;
const char *basic_clk_name[MAX_CLKS];
u8 caps;
struct bus_prot bp_table[MAX_STEPS];
@@ -128,7 +125,6 @@ struct scp {
struct regmap *infracfg;
struct regmap *smi_common;
struct scp_ctrl_reg ctrl_reg;
- bool bus_prot_reg_update;
};
struct scp_subdomain {
@@ -142,7 +138,6 @@ struct scp_soc_data {
const struct scp_subdomain *subdomains;
int num_subdomains;
const struct scp_ctrl_reg regs;
- bool bus_prot_reg_update;
};
static int scpsys_domain_is_on(struct scp_domain *scpd)
@@ -256,12 +251,6 @@ static int scpsys_bus_protect_enable(struct scp_domain *scpd)
{
struct scp *scp = scpd->scp;
- if (scpd->data->bus_prot_mask) {
- return mtk_infracfg_set_bus_protection(scp->infracfg,
- scpd->data->bus_prot_mask,
- scp->bus_prot_reg_update);
- }
-
return mtk_scpsys_ext_set_bus_protection(scpd->data->bp_table,
scp->infracfg, scp->smi_common);
}
@@ -270,12 +259,6 @@ static int scpsys_bus_protect_disable(struct scp_domain *scpd)
{
struct scp *scp = scpd->scp;
- if (scpd->data->bus_prot_mask) {
- return mtk_infracfg_clear_bus_protection(scp->infracfg,
- scpd->data->bus_prot_mask,
- scp->bus_prot_reg_update);
- }
-
return mtk_scpsys_ext_clear_bus_protection(scpd->data->bp_table,
scp->infracfg, scp->smi_common);
}
@@ -412,8 +395,7 @@ static int init_basic_clks(struct platform_device *pdev, struct clk **clk,
static struct scp *init_scp(struct platform_device *pdev,
const struct scp_domain_data *scp_domain_data, int num,
- const struct scp_ctrl_reg *scp_ctrl_reg,
- bool bus_prot_reg_update)
+ const struct scp_ctrl_reg *scp_ctrl_reg)
{
struct genpd_onecell_data *pd_data;
struct resource *res;
@@ -427,8 +409,6 @@ static struct scp *init_scp(struct platform_device *pdev,
scp->ctrl_reg.pwr_sta_offs = scp_ctrl_reg->pwr_sta_offs;
scp->ctrl_reg.pwr_sta2nd_offs = scp_ctrl_reg->pwr_sta2nd_offs;
- scp->bus_prot_reg_update = bus_prot_reg_update;
-
scp->dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -549,8 +529,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.name = "conn",
.sta_mask = PWR_STATUS_CONN,
.ctl_offs = SPM_CONN_PWR_CON,
- .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
- MT2701_TOP_AXI_PROT_EN_CONN_S,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(2) | BIT(8), BIT(2) | BIT(8)),
+ },
.caps = MTK_SCPD_ACTIVE_WAKEUP,
},
[MT2701_POWER_DOMAIN_DISP] = {
@@ -559,7 +541,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.ctl_offs = SPM_DIS_PWR_CON,
.sram_pdn_bits = GENMASK(11, 8),
.basic_clk_name = {"mm"},
- .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(1), BIT(1)),
+ },
.caps = MTK_SCPD_ACTIVE_WAKEUP,
},
[MT2701_POWER_DOMAIN_MFG] = {
@@ -694,7 +679,11 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.sram_pdn_bits = GENMASK(8, 8),
.sram_pdn_ack_bits = GENMASK(16, 16),
.basic_clk_name = {"mfg"},
- .bus_prot_mask = BIT(14) | BIT(21) | BIT(23),
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x260, 0x264, 0x220, 0x228,
+ BIT(14) | BIT(21) | BIT(23),
+ BIT(14) | BIT(21) | BIT(23)),
+ },
.caps = MTK_SCPD_ACTIVE_WAKEUP,
},
[MT2712_POWER_DOMAIN_MFG_SC1] = {
@@ -766,7 +755,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.sram_pdn_bits = GENMASK(8, 8),
.sram_pdn_ack_bits = GENMASK(12, 12),
.basic_clk_name = {"mm"},
- .bus_prot_mask = (BIT(1) | BIT(2)),
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(1) | BIT(2), BIT(1) | BIT(2)),
+ },
},
[MT6797_POWER_DOMAIN_AUDIO] = {
.name = "audio",
@@ -813,7 +805,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.ctl_offs = SPM_ETHSYS_PWR_CON,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(15, 12),
- .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_ETHSYS,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(3) | BIT(17), BIT(3) | BIT(17)),
+ },
.caps = MTK_SCPD_ACTIVE_WAKEUP,
},
[MT7622_POWER_DOMAIN_HIF0] = {
@@ -823,7 +818,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(15, 12),
.basic_clk_name = {"hif_sel"},
- .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF0,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(24) | BIT(25), BIT(24) | BIT(25)),
+ },
.caps = MTK_SCPD_ACTIVE_WAKEUP,
},
[MT7622_POWER_DOMAIN_HIF1] = {
@@ -833,7 +831,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(15, 12),
.basic_clk_name = {"hif_sel"},
- .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF1,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ GENMASK(28, 26), GENMASK(28, 26)),
+ },
.caps = MTK_SCPD_ACTIVE_WAKEUP,
},
[MT7622_POWER_DOMAIN_WB] = {
@@ -842,7 +843,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.ctl_offs = SPM_WB_PWR_CON,
.sram_pdn_bits = 0,
.sram_pdn_ack_bits = 0,
- .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_WB,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(2) | GENMASK(8, 6), BIT(2) | GENMASK(8, 6)),
+ },
.caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_FWAIT_SRAM,
},
};
@@ -856,8 +860,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.name = "conn",
.sta_mask = PWR_STATUS_CONN,
.ctl_offs = SPM_CONN_PWR_CON,
- .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
- MT2701_TOP_AXI_PROT_EN_CONN_S,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(2) | BIT(8), BIT(2) | BIT(8)),
+ },
.caps = MTK_SCPD_ACTIVE_WAKEUP,
},
[MT7623A_POWER_DOMAIN_ETH] = {
@@ -922,8 +928,10 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(12, 12),
.basic_clk_name = {"mm"},
- .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
- MT8173_TOP_AXI_PROT_EN_MM_M1,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(1) | BIT(2), BIT(1) | BIT(2)),
+ },
},
[MT8173_POWER_DOMAIN_VENC_LT] = {
.name = "venc_lt",
@@ -969,10 +977,11 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.ctl_offs = SPM_MFG_PWR_CON,
.sram_pdn_bits = GENMASK(13, 8),
.sram_pdn_ack_bits = GENMASK(21, 16),
- .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
- MT8173_TOP_AXI_PROT_EN_MFG_M0 |
- MT8173_TOP_AXI_PROT_EN_MFG_M1 |
- MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0, 0, 0x220, 0x228,
+ BIT(14) | GENMASK(23, 21),
+ BIT(14) | GENMASK(23, 21)),
+ },
},
};
@@ -988,7 +997,6 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
},
- .bus_prot_reg_update = true,
};
static const struct scp_soc_data mt2712_data = {
@@ -1000,7 +1008,6 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
},
- .bus_prot_reg_update = false,
};
static const struct scp_soc_data mt6797_data = {
@@ -1012,7 +1019,6 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.pwr_sta_offs = SPM_PWR_STATUS_MT6797,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797
},
- .bus_prot_reg_update = true,
};
static const struct scp_soc_data mt7622_data = {
@@ -1022,7 +1028,6 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
},
- .bus_prot_reg_update = true,
};
static const struct scp_soc_data mt7623a_data = {
@@ -1032,7 +1037,6 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
},
- .bus_prot_reg_update = true,
};
static const struct scp_soc_data mt8173_data = {
@@ -1044,7 +1048,6 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
},
- .bus_prot_reg_update = true,
};
/*
@@ -1085,8 +1088,7 @@ static int scpsys_probe(struct platform_device *pdev)
soc = of_device_get_match_data(&pdev->dev);
- scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs,
- soc->bus_prot_reg_update);
+ scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs);
if (IS_ERR(scp))
return PTR_ERR(scp);
--
1.8.1.1.dirty
Powered by blists - more mailing lists