clk: renesas: Add R8A779A0 clock tables
Add clock tables for R8A779A0 V3U SoC from Linux 5.12,
commit 9f4ad9e425a1 ("Linux 5.12")
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
--
Marek: - Add .reset_modemr_offset
- Sync tables from Linux 5.12
- Rebase on latest u-boot
This commit is contained in:
Hai Pham
Marek Vasut
parent
44c78aa7ac
commit
b092f96290
@ -114,3 +114,9 @@ config CLK_R8A77995
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depends on CLK_RCAR_GEN3
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help
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Enable this to support the clocks on Renesas R8A77995 SoC.
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config CLK_R8A779A0
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bool "Renesas R8A779A0 clock driver"
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depends on CLK_RCAR_GEN3
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help
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Enable this to support the clocks on Renesas R8A779A0 SoC.
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@ -17,3 +17,4 @@ obj-$(CONFIG_CLK_R8A77970) += r8a77970-cpg-mssr.o
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obj-$(CONFIG_CLK_R8A77980) += r8a77980-cpg-mssr.o
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obj-$(CONFIG_CLK_R8A77990) += r8a77990-cpg-mssr.o
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obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o
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obj-$(CONFIG_CLK_R8A779A0) += r8a779a0-cpg-mssr.o
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@ -418,6 +418,11 @@ int gen3_clk_probe(struct udevice *dev)
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priv->info->control_regs = smstpcr;
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priv->info->reset_regs = srcr;
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priv->info->reset_clear_regs = srstclr;
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} else if (info->reg_layout == CLK_REG_LAYOUT_RCAR_V3U) {
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priv->info->status_regs = mstpsr_for_v3u;
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priv->info->control_regs = mstpcr_for_v3u;
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priv->info->reset_regs = srcr_for_v3u;
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priv->info->reset_clear_regs = srstclr_for_v3u;
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} else {
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return -EINVAL;
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}
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300
drivers/clk/renesas/r8a779a0-cpg-mssr.c
Normal file
300
drivers/clk/renesas/r8a779a0-cpg-mssr.c
Normal file
@ -0,0 +1,300 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* r8a779a0 Clock Pulse Generator / Module Standby and Software Reset
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*
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* Copyright (C) 2020 Renesas Electronics Corp.
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*
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* Based on r8a7795-cpg-mssr.c
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*
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* Copyright (C) 2015 Glider bvba
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* Copyright (C) 2015 Renesas Electronics Corp.
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*/
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#include <common.h>
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#include <clk-uclass.h>
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#include <dm.h>
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#include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
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#include "renesas-cpg-mssr.h"
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#include "rcar-gen3-cpg.h"
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enum clk_ids {
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/* Core Clock Outputs exported to DT */
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LAST_DT_CORE_CLK = R8A779A0_CLK_OSC,
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/* External Input Clocks */
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CLK_EXTAL,
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CLK_EXTALR,
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/* Internal Core Clocks */
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CLK_MAIN,
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CLK_PLL1,
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CLK_PLL20,
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CLK_PLL21,
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CLK_PLL30,
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CLK_PLL31,
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CLK_PLL5,
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CLK_PLL1_DIV2,
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CLK_PLL20_DIV2,
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CLK_PLL21_DIV2,
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CLK_PLL30_DIV2,
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CLK_PLL31_DIV2,
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CLK_PLL5_DIV2,
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CLK_PLL5_DIV4,
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CLK_S1,
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CLK_S3,
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CLK_SDSRC,
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CLK_RPCSRC,
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CLK_OCO,
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/* Module Clocks */
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MOD_CLK_BASE
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};
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#define DEF_PLL(_name, _id, _offset) \
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DEF_BASE(_name, _id, CLK_TYPE_R8A779A0_PLL2X_3X, CLK_MAIN, \
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.offset = _offset)
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#define DEF_SD(_name, _id, _parent, _offset) \
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DEF_BASE(_name, _id, CLK_TYPE_R8A779A0_SD, _parent, .offset = _offset)
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#define DEF_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \
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DEF_BASE(_name, _id, CLK_TYPE_R8A779A0_MDSEL, \
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(_parent0) << 16 | (_parent1), \
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.div = (_div0) << 16 | (_div1), .offset = _md)
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#define DEF_OSC(_name, _id, _parent, _div) \
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DEF_BASE(_name, _id, CLK_TYPE_R8A779A0_OSC, _parent, .div = _div)
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static const struct cpg_core_clk r8a779a0_core_clks[] = {
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/* External Clock Inputs */
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DEF_INPUT("extal", CLK_EXTAL),
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DEF_INPUT("extalr", CLK_EXTALR),
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/* Internal Core Clocks */
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DEF_BASE(".main", CLK_MAIN, CLK_TYPE_R8A779A0_MAIN, CLK_EXTAL),
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DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_R8A779A0_PLL1, CLK_MAIN),
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DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_R8A779A0_PLL5, CLK_MAIN),
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DEF_PLL(".pll20", CLK_PLL20, 0x0834),
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DEF_PLL(".pll21", CLK_PLL21, 0x0838),
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DEF_PLL(".pll30", CLK_PLL30, 0x083c),
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DEF_PLL(".pll31", CLK_PLL31, 0x0840),
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DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
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DEF_FIXED(".pll20_div2", CLK_PLL20_DIV2, CLK_PLL20, 2, 1),
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DEF_FIXED(".pll21_div2", CLK_PLL21_DIV2, CLK_PLL21, 2, 1),
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DEF_FIXED(".pll30_div2", CLK_PLL30_DIV2, CLK_PLL30, 2, 1),
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DEF_FIXED(".pll31_div2", CLK_PLL31_DIV2, CLK_PLL31, 2, 1),
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DEF_FIXED(".pll5_div2", CLK_PLL5_DIV2, CLK_PLL5, 2, 1),
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DEF_FIXED(".pll5_div4", CLK_PLL5_DIV4, CLK_PLL5_DIV2, 2, 1),
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DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 2, 1),
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DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 4, 1),
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DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL5_DIV4, 1, 1),
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DEF_RATE(".oco", CLK_OCO, 32768),
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/* Core Clock Outputs */
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DEF_FIXED("zx", R8A779A0_CLK_ZX, CLK_PLL20_DIV2, 2, 1),
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DEF_FIXED("s1d1", R8A779A0_CLK_S1D1, CLK_S1, 1, 1),
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DEF_FIXED("s1d2", R8A779A0_CLK_S1D2, CLK_S1, 2, 1),
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DEF_FIXED("s1d4", R8A779A0_CLK_S1D4, CLK_S1, 4, 1),
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DEF_FIXED("s1d8", R8A779A0_CLK_S1D8, CLK_S1, 8, 1),
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DEF_FIXED("s1d12", R8A779A0_CLK_S1D12, CLK_S1, 12, 1),
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DEF_FIXED("s3d1", R8A779A0_CLK_S3D1, CLK_S3, 1, 1),
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DEF_FIXED("s3d2", R8A779A0_CLK_S3D2, CLK_S3, 2, 1),
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DEF_FIXED("s3d4", R8A779A0_CLK_S3D4, CLK_S3, 4, 1),
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DEF_FIXED("zs", R8A779A0_CLK_ZS, CLK_PLL1_DIV2, 4, 1),
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DEF_FIXED("zt", R8A779A0_CLK_ZT, CLK_PLL1_DIV2, 2, 1),
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DEF_FIXED("ztr", R8A779A0_CLK_ZTR, CLK_PLL1_DIV2, 2, 1),
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DEF_FIXED("zr", R8A779A0_CLK_ZR, CLK_PLL1_DIV2, 1, 1),
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DEF_FIXED("dsi", R8A779A0_CLK_DSI, CLK_PLL5_DIV4, 1, 1),
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DEF_FIXED("cnndsp", R8A779A0_CLK_CNNDSP, CLK_PLL5_DIV4, 1, 1),
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DEF_FIXED("vip", R8A779A0_CLK_VIP, CLK_PLL5, 5, 1),
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DEF_FIXED("adgh", R8A779A0_CLK_ADGH, CLK_PLL5_DIV4, 1, 1),
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DEF_FIXED("icu", R8A779A0_CLK_ICU, CLK_PLL5_DIV4, 2, 1),
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DEF_FIXED("icud2", R8A779A0_CLK_ICUD2, CLK_PLL5_DIV4, 4, 1),
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DEF_FIXED("vcbus", R8A779A0_CLK_VCBUS, CLK_PLL5_DIV4, 1, 1),
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DEF_FIXED("cbfusa", R8A779A0_CLK_CBFUSA, CLK_EXTAL, 2, 1),
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DEF_FIXED("cp", R8A779A0_CLK_CP, CLK_EXTAL, 2, 1),
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DEF_SD("sd0", R8A779A0_CLK_SD0, CLK_SDSRC, 0x870),
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DEF_DIV6P1("mso", R8A779A0_CLK_MSO, CLK_PLL5_DIV4, 0x87c),
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DEF_DIV6P1("canfd", R8A779A0_CLK_CANFD, CLK_PLL5_DIV4, 0x878),
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DEF_DIV6P1("csi0", R8A779A0_CLK_CSI0, CLK_PLL5_DIV4, 0x880),
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DEF_OSC("osc", R8A779A0_CLK_OSC, CLK_EXTAL, 8),
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DEF_MDSEL("r", R8A779A0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1),
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};
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static const struct mssr_mod_clk r8a779a0_mod_clks[] = {
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DEF_MOD("avb0", 211, R8A779A0_CLK_S3D2),
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DEF_MOD("avb1", 212, R8A779A0_CLK_S3D2),
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DEF_MOD("avb2", 213, R8A779A0_CLK_S3D2),
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DEF_MOD("avb3", 214, R8A779A0_CLK_S3D2),
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DEF_MOD("avb4", 215, R8A779A0_CLK_S3D2),
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DEF_MOD("avb5", 216, R8A779A0_CLK_S3D2),
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DEF_MOD("csi40", 331, R8A779A0_CLK_CSI0),
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DEF_MOD("csi41", 400, R8A779A0_CLK_CSI0),
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DEF_MOD("csi42", 401, R8A779A0_CLK_CSI0),
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DEF_MOD("csi43", 402, R8A779A0_CLK_CSI0),
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DEF_MOD("fcpvd0", 508, R8A779A0_CLK_S3D1),
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DEF_MOD("fcpvd1", 509, R8A779A0_CLK_S3D1),
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DEF_MOD("hscif0", 514, R8A779A0_CLK_S1D2),
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DEF_MOD("hscif1", 515, R8A779A0_CLK_S1D2),
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DEF_MOD("hscif2", 516, R8A779A0_CLK_S1D2),
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DEF_MOD("hscif3", 517, R8A779A0_CLK_S1D2),
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DEF_MOD("i2c0", 518, R8A779A0_CLK_S1D4),
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DEF_MOD("i2c1", 519, R8A779A0_CLK_S1D4),
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DEF_MOD("i2c2", 520, R8A779A0_CLK_S1D4),
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DEF_MOD("i2c3", 521, R8A779A0_CLK_S1D4),
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DEF_MOD("i2c4", 522, R8A779A0_CLK_S1D4),
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DEF_MOD("i2c5", 523, R8A779A0_CLK_S1D4),
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DEF_MOD("i2c6", 524, R8A779A0_CLK_S1D4),
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DEF_MOD("msi0", 618, R8A779A0_CLK_MSO),
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DEF_MOD("msi1", 619, R8A779A0_CLK_MSO),
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DEF_MOD("msi2", 620, R8A779A0_CLK_MSO),
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DEF_MOD("msi3", 621, R8A779A0_CLK_MSO),
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DEF_MOD("msi4", 622, R8A779A0_CLK_MSO),
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DEF_MOD("msi5", 623, R8A779A0_CLK_MSO),
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DEF_MOD("scif0", 702, R8A779A0_CLK_S1D8),
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DEF_MOD("scif1", 703, R8A779A0_CLK_S1D8),
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DEF_MOD("scif3", 704, R8A779A0_CLK_S1D8),
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DEF_MOD("scif4", 705, R8A779A0_CLK_S1D8),
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DEF_MOD("sdhi0", 706, R8A779A0_CLK_SD0),
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DEF_MOD("sydm1", 709, R8A779A0_CLK_S1D2),
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DEF_MOD("sydm2", 710, R8A779A0_CLK_S1D2),
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DEF_MOD("vin00", 730, R8A779A0_CLK_S1D1),
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DEF_MOD("vin01", 731, R8A779A0_CLK_S1D1),
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DEF_MOD("vin02", 800, R8A779A0_CLK_S1D1),
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DEF_MOD("vin03", 801, R8A779A0_CLK_S1D1),
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DEF_MOD("vin04", 802, R8A779A0_CLK_S1D1),
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DEF_MOD("vin05", 803, R8A779A0_CLK_S1D1),
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DEF_MOD("vin06", 804, R8A779A0_CLK_S1D1),
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DEF_MOD("vin07", 805, R8A779A0_CLK_S1D1),
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DEF_MOD("vin10", 806, R8A779A0_CLK_S1D1),
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DEF_MOD("vin11", 807, R8A779A0_CLK_S1D1),
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DEF_MOD("vin12", 808, R8A779A0_CLK_S1D1),
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DEF_MOD("vin13", 809, R8A779A0_CLK_S1D1),
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DEF_MOD("vin14", 810, R8A779A0_CLK_S1D1),
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DEF_MOD("vin15", 811, R8A779A0_CLK_S1D1),
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DEF_MOD("vin16", 812, R8A779A0_CLK_S1D1),
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DEF_MOD("vin17", 813, R8A779A0_CLK_S1D1),
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DEF_MOD("vin20", 814, R8A779A0_CLK_S1D1),
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DEF_MOD("vin21", 815, R8A779A0_CLK_S1D1),
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DEF_MOD("vin22", 816, R8A779A0_CLK_S1D1),
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DEF_MOD("vin23", 817, R8A779A0_CLK_S1D1),
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DEF_MOD("vin24", 818, R8A779A0_CLK_S1D1),
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DEF_MOD("vin25", 819, R8A779A0_CLK_S1D1),
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DEF_MOD("vin26", 820, R8A779A0_CLK_S1D1),
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DEF_MOD("vin27", 821, R8A779A0_CLK_S1D1),
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DEF_MOD("vin30", 822, R8A779A0_CLK_S1D1),
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DEF_MOD("vin31", 823, R8A779A0_CLK_S1D1),
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DEF_MOD("vin32", 824, R8A779A0_CLK_S1D1),
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DEF_MOD("vin33", 825, R8A779A0_CLK_S1D1),
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DEF_MOD("vin34", 826, R8A779A0_CLK_S1D1),
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DEF_MOD("vin35", 827, R8A779A0_CLK_S1D1),
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DEF_MOD("vin36", 828, R8A779A0_CLK_S1D1),
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DEF_MOD("vin37", 829, R8A779A0_CLK_S1D1),
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DEF_MOD("vspd0", 830, R8A779A0_CLK_S3D1),
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DEF_MOD("vspd1", 831, R8A779A0_CLK_S3D1),
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DEF_MOD("rwdt", 907, R8A779A0_CLK_R),
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DEF_MOD("pfc0", 915, R8A779A0_CLK_CP),
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DEF_MOD("pfc1", 916, R8A779A0_CLK_CP),
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DEF_MOD("pfc2", 917, R8A779A0_CLK_CP),
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DEF_MOD("pfc3", 918, R8A779A0_CLK_CP),
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DEF_MOD("vspx0", 1028, R8A779A0_CLK_S1D1),
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DEF_MOD("vspx1", 1029, R8A779A0_CLK_S1D1),
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DEF_MOD("vspx2", 1030, R8A779A0_CLK_S1D1),
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DEF_MOD("vspx3", 1031, R8A779A0_CLK_S1D1),
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};
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/*
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* CPG Clock Data
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*/
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/*
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* MD EXTAL PLL1 PLL20 PLL30 PLL4 PLL5 OSC
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* 14 13 (MHz) 21 31
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* --------------------------------------------------------
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* 0 0 16.66 x 1 x128 x216 x128 x144 x192 /16
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* 0 1 20 x 1 x106 x180 x106 x120 x160 /19
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* 1 0 Prohibited setting
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* 1 1 33.33 / 2 x128 x216 x128 x144 x192 /32
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*/
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#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \
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(((md) & BIT(13)) >> 13))
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static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[4] = {
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/* EXTAL div PLL1 mult/div Not used OSC prediv PLL5 mult/div */
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{ 1, 128, 1, 128, 1, 16, 192, 1, },
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{ 1, 106, 1, 106, 1, 19, 160, 1, },
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{ 0, 0, 0, 0, 0, 0, 0, 0, },
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{ 2, 128, 1, 128, 1, 32, 192, 1, },
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};
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/*
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* Note that the only clock left running before booting Linux are now
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* MFIS, INTC-AP, INTC-EX and SCIF0 on V3U
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*/
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#define MSTPCR7_SCIF0 BIT(2)
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#define MSTPCR6_MFIS BIT(17)
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#define MSTPCR6_INTC BIT(11) /* No information: INTC-AP, INTC-EX */
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static const struct mstp_stop_table r8a779a0_mstp_table[] = {
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{ 0x003f7ffe, 0x0, 0x0, 0x0 },
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{ 0x00cb0000, 0x0, 0x0, 0x0 },
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{ 0x0001f800, 0x0, 0x0, 0x0 },
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{ 0x90000000, 0x0, 0x0, 0x0 },
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{ 0x0001c807, 0x0, 0x0, 0x0 },
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{ 0x7e03c380, 0x0, 0x0, 0x0 },
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{ 0x1f01f001, MSTPCR6_MFIS, 0x0, 0x0 },
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{ 0xffffe040, MSTPCR7_SCIF0, 0x0, 0x0 },
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{ 0xffffffff, 0x0, 0x0, 0x0 },
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{ 0x00003c78, 0x0, 0x0, 0x0 },
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{ 0xf0000000, 0x0, 0x0, 0x0 },
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{ 0x0000000f, 0x0, 0x0, 0x0 },
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{ 0xbe800000, 0x0, 0x0, 0x0 },
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{ 0x00000037, 0x0, 0x0, 0x0 },
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{ 0x00000000, 0x0, 0x0, 0x0 },
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};
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static const void *r8a779a0_get_pll_config(const u32 cpg_mode)
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{
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return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
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}
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static const struct cpg_mssr_info r8a779a0_cpg_mssr_info = {
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.core_clk = r8a779a0_core_clks,
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.core_clk_size = ARRAY_SIZE(r8a779a0_core_clks),
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.mod_clk = r8a779a0_mod_clks,
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.mod_clk_size = ARRAY_SIZE(r8a779a0_mod_clks),
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.mstp_table = r8a779a0_mstp_table,
|
||||
.mstp_table_size = ARRAY_SIZE(r8a779a0_mstp_table),
|
||||
.reset_node = "renesas,r8a779a0-rst",
|
||||
.reset_modemr_offset = 0x00,
|
||||
.extalr_node = "extalr",
|
||||
.mod_clk_base = MOD_CLK_BASE,
|
||||
.clk_extal_id = CLK_EXTAL,
|
||||
.clk_extalr_id = CLK_EXTALR,
|
||||
.get_pll_config = r8a779a0_get_pll_config,
|
||||
.reg_layout = CLK_REG_LAYOUT_RCAR_V3U,
|
||||
};
|
||||
|
||||
static const struct udevice_id r8a779a0_clk_ids[] = {
|
||||
{
|
||||
.compatible = "renesas,r8a779a0-cpg-mssr",
|
||||
.data = (ulong)&r8a779a0_cpg_mssr_info
|
||||
},
|
||||
{ }
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(clk_r8a779a0) = {
|
||||
.name = "clk_r8a779a0",
|
||||
.id = UCLASS_CLK,
|
||||
.of_match = r8a779a0_clk_ids,
|
||||
.priv_auto = sizeof(struct gen3_clk_priv),
|
||||
.ops = &gen3_clk_ops,
|
||||
.probe = gen3_clk_probe,
|
||||
.remove = gen3_clk_remove,
|
||||
};
|
||||
@ -27,6 +27,7 @@ enum rcar_gen3_clk_types {
|
||||
CLK_TYPE_GEN3_E3_RPCSRC,
|
||||
CLK_TYPE_GEN3_RPC,
|
||||
CLK_TYPE_GEN3_RPCD2,
|
||||
|
||||
CLK_TYPE_R8A779A0_MAIN,
|
||||
CLK_TYPE_R8A779A0_PLL1,
|
||||
CLK_TYPE_R8A779A0_PLL2X_3X, /* PLL[23][01] */
|
||||
|
||||
@ -127,6 +127,10 @@ int renesas_clk_remove(void __iomem *base, struct cpg_mssr_info *info)
|
||||
clrsetbits_le32(base + info->control_regs[i],
|
||||
info->mstp_table[i].sdis,
|
||||
info->mstp_table[i].sen);
|
||||
|
||||
if (info->reg_layout == CLK_REG_LAYOUT_RCAR_V3U)
|
||||
continue;
|
||||
|
||||
clrsetbits_le32(base + RMSTPCR(i),
|
||||
info->mstp_table[i].rdis,
|
||||
info->mstp_table[i].ren);
|
||||
|
||||
@ -17,6 +17,7 @@
|
||||
|
||||
enum clk_reg_layout {
|
||||
CLK_REG_LAYOUT_RCAR_GEN2_AND_GEN3 = 0,
|
||||
CLK_REG_LAYOUT_RCAR_V3U,
|
||||
};
|
||||
|
||||
struct cpg_mssr_info {
|
||||
@ -146,6 +147,11 @@ static const u16 mstpsr[] = {
|
||||
0x9A0, 0x9A4, 0x9A8, 0x9AC,
|
||||
};
|
||||
|
||||
static const u16 mstpsr_for_v3u[] = {
|
||||
0x2E00, 0x2E04, 0x2E08, 0x2E0C, 0x2E10, 0x2E14, 0x2E18, 0x2E1C,
|
||||
0x2E20, 0x2E24, 0x2E28, 0x2E2C, 0x2E30, 0x2E34, 0x2E38,
|
||||
};
|
||||
|
||||
/*
|
||||
* System Module Stop Control Register offsets
|
||||
*/
|
||||
@ -155,6 +161,11 @@ static const u16 smstpcr[] = {
|
||||
0x990, 0x994, 0x998, 0x99C,
|
||||
};
|
||||
|
||||
static const u16 mstpcr_for_v3u[] = {
|
||||
0x2D00, 0x2D04, 0x2D08, 0x2D0C, 0x2D10, 0x2D14, 0x2D18, 0x2D1C,
|
||||
0x2D20, 0x2D24, 0x2D28, 0x2D2C, 0x2D30, 0x2D34, 0x2D38,
|
||||
};
|
||||
|
||||
/*
|
||||
* Software Reset Register offsets
|
||||
*/
|
||||
@ -164,6 +175,11 @@ static const u16 srcr[] = {
|
||||
0x920, 0x924, 0x928, 0x92C,
|
||||
};
|
||||
|
||||
static const u16 srcr_for_v3u[] = {
|
||||
0x2C00, 0x2C04, 0x2C08, 0x2C0C, 0x2C10, 0x2C14, 0x2C18, 0x2C1C,
|
||||
0x2C20, 0x2C24, 0x2C28, 0x2C2C, 0x2C30, 0x2C34, 0x2C38,
|
||||
};
|
||||
|
||||
/* Realtime Module Stop Control Register offsets */
|
||||
#define RMSTPCR(i) ((i) < 8 ? smstpcr[i] - 0x20 : smstpcr[i] - 0x10)
|
||||
|
||||
@ -177,4 +193,9 @@ static const u16 srstclr[] = {
|
||||
0x960, 0x964, 0x968, 0x96C,
|
||||
};
|
||||
|
||||
static const u16 srstclr_for_v3u[] = {
|
||||
0x2C80, 0x2C84, 0x2C88, 0x2C8C, 0x2C90, 0x2C94, 0x2C98, 0x2C9C,
|
||||
0x2CA0, 0x2CA4, 0x2CA8, 0x2CAC, 0x2CB0, 0x2CB4, 0x2CB8,
|
||||
};
|
||||
|
||||
#endif /* __DRIVERS_CLK_RENESAS_CPG_MSSR__ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user