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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/sh/kernel/cpu/sh4/setup-sh7760.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh4/setup-sh7760.c')
-rw-r--r--arch/sh/kernel/cpu/sh4/setup-sh7760.c297
1 files changed, 297 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
new file mode 100644
index 000000000..14212f5d8
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -0,0 +1,297 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * SH7760 Setup
+ *
+ * Copyright (C) 2006 Paul Mundt
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <linux/sh_timer.h>
+#include <linux/sh_intc.h>
+#include <linux/serial_sci.h>
+#include <linux/io.h>
+#include <asm/platform_early.h>
+
+enum {
+ UNUSED = 0,
+
+ /* interrupt sources */
+ IRL0, IRL1, IRL2, IRL3,
+ HUDI, GPIOI, DMAC,
+ IRQ4, IRQ5, IRQ6, IRQ7,
+ HCAN20, HCAN21,
+ SSI0, SSI1,
+ HAC0, HAC1,
+ I2C0, I2C1,
+ USB, LCDC,
+ DMABRG0, DMABRG1, DMABRG2,
+ SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
+ SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
+ SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI,
+ SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
+ HSPI,
+ MMCIF0, MMCIF1, MMCIF2, MMCIF3,
+ MFI, ADC, CMT,
+ TMU0, TMU1, TMU2,
+ WDT, REF,
+
+ /* interrupt groups */
+ DMABRG, SCIF0, SCIF1, SCIF2, SIM, MMCIF,
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
+ INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
+ INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
+ INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
+ INTC_VECT(DMAC, 0x7c0), INTC_VECT(DMAC, 0x7e0),
+ INTC_VECT(DMAC, 0x6c0),
+ INTC_VECT(IRQ4, 0x800), INTC_VECT(IRQ5, 0x820),
+ INTC_VECT(IRQ6, 0x840), INTC_VECT(IRQ6, 0x860),
+ INTC_VECT(HCAN20, 0x900), INTC_VECT(HCAN21, 0x920),
+ INTC_VECT(SSI0, 0x940), INTC_VECT(SSI1, 0x960),
+ INTC_VECT(HAC0, 0x980), INTC_VECT(HAC1, 0x9a0),
+ INTC_VECT(I2C0, 0x9c0), INTC_VECT(I2C1, 0x9e0),
+ INTC_VECT(USB, 0xa00), INTC_VECT(LCDC, 0xa20),
+ INTC_VECT(DMABRG0, 0xa80), INTC_VECT(DMABRG1, 0xaa0),
+ INTC_VECT(DMABRG2, 0xac0),
+ INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
+ INTC_VECT(SCIF0_BRI, 0x8c0), INTC_VECT(SCIF0_TXI, 0x8e0),
+ INTC_VECT(SCIF1_ERI, 0xb00), INTC_VECT(SCIF1_RXI, 0xb20),
+ INTC_VECT(SCIF1_BRI, 0xb40), INTC_VECT(SCIF1_TXI, 0xb60),
+ INTC_VECT(SCIF2_ERI, 0xb80), INTC_VECT(SCIF2_RXI, 0xba0),
+ INTC_VECT(SCIF2_BRI, 0xbc0), INTC_VECT(SCIF2_TXI, 0xbe0),
+ INTC_VECT(SIM_ERI, 0xc00), INTC_VECT(SIM_RXI, 0xc20),
+ INTC_VECT(SIM_TXI, 0xc40), INTC_VECT(SIM_TEI, 0xc60),
+ INTC_VECT(HSPI, 0xc80),
+ INTC_VECT(MMCIF0, 0xd00), INTC_VECT(MMCIF1, 0xd20),
+ INTC_VECT(MMCIF2, 0xd40), INTC_VECT(MMCIF3, 0xd60),
+ INTC_VECT(MFI, 0xe80), /* 0xf80 according to data sheet */
+ INTC_VECT(ADC, 0xf80), INTC_VECT(CMT, 0xfa0),
+ INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
+ INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
+ INTC_VECT(WDT, 0x560),
+ INTC_VECT(REF, 0x580), INTC_VECT(REF, 0x5a0),
+};
+
+static struct intc_group groups[] __initdata = {
+ INTC_GROUP(DMABRG, DMABRG0, DMABRG1, DMABRG2),
+ INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
+ INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
+ INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
+ INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
+ INTC_GROUP(MMCIF, MMCIF0, MMCIF1, MMCIF2, MMCIF3),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+ { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
+ { IRQ4, IRQ5, IRQ6, IRQ7, 0, 0, HCAN20, HCAN21,
+ SSI0, SSI1, HAC0, HAC1, I2C0, I2C1, USB, LCDC,
+ 0, DMABRG0, DMABRG1, DMABRG2,
+ SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
+ SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
+ SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, } },
+ { 0xfe080044, 0xfe080064, 32, /* INTMSK04 / INTMSKCLR04 */
+ { 0, 0, 0, 0, 0, 0, 0, 0,
+ SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
+ HSPI, MMCIF0, MMCIF1, MMCIF2,
+ MMCIF3, 0, 0, 0, 0, 0, 0, 0,
+ 0, MFI, 0, 0, 0, 0, ADC, CMT, } },
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+ { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } },
+ { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
+ { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, 0, HUDI } },
+ { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
+ { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
+ { 0xfe080004, 0, 32, 4, /* INTPRI04 */ { HCAN20, HCAN21, SSI0, SSI1,
+ HAC0, HAC1, I2C0, I2C1 } },
+ { 0xfe080008, 0, 32, 4, /* INTPRI08 */ { USB, LCDC, DMABRG, SCIF0,
+ SCIF1, SCIF2, SIM, HSPI } },
+ { 0xfe08000c, 0, 32, 4, /* INTPRI0C */ { 0, 0, MMCIF, 0,
+ MFI, 0, ADC, CMT } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh7760", vectors, groups,
+ mask_registers, prio_registers, NULL);
+
+static struct intc_vect vectors_irq[] __initdata = {
+ INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
+ INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
+};
+
+static DECLARE_INTC_DESC(intc_desc_irq, "sh7760-irq", vectors_irq, groups,
+ mask_registers, prio_registers, NULL);
+
+static struct plat_sci_port scif0_platform_data = {
+ .scscr = SCSCR_REIE,
+ .type = PORT_SCIF,
+ .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
+};
+
+static struct resource scif0_resources[] = {
+ DEFINE_RES_MEM(0xfe600000, 0x100),
+ DEFINE_RES_IRQ(evt2irq(0x880)),
+ DEFINE_RES_IRQ(evt2irq(0x8a0)),
+ DEFINE_RES_IRQ(evt2irq(0x8e0)),
+ DEFINE_RES_IRQ(evt2irq(0x8c0)),
+};
+
+static struct platform_device scif0_device = {
+ .name = "sh-sci",
+ .id = 0,
+ .resource = scif0_resources,
+ .num_resources = ARRAY_SIZE(scif0_resources),
+ .dev = {
+ .platform_data = &scif0_platform_data,
+ },
+};
+
+static struct plat_sci_port scif1_platform_data = {
+ .type = PORT_SCIF,
+ .scscr = SCSCR_REIE,
+ .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
+};
+
+static struct resource scif1_resources[] = {
+ DEFINE_RES_MEM(0xfe610000, 0x100),
+ DEFINE_RES_IRQ(evt2irq(0xb00)),
+ DEFINE_RES_IRQ(evt2irq(0xb20)),
+ DEFINE_RES_IRQ(evt2irq(0xb60)),
+ DEFINE_RES_IRQ(evt2irq(0xb40)),
+};
+
+static struct platform_device scif1_device = {
+ .name = "sh-sci",
+ .id = 1,
+ .resource = scif1_resources,
+ .num_resources = ARRAY_SIZE(scif1_resources),
+ .dev = {
+ .platform_data = &scif1_platform_data,
+ },
+};
+
+static struct plat_sci_port scif2_platform_data = {
+ .scscr = SCSCR_REIE,
+ .type = PORT_SCIF,
+ .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
+};
+
+static struct resource scif2_resources[] = {
+ DEFINE_RES_MEM(0xfe620000, 0x100),
+ DEFINE_RES_IRQ(evt2irq(0xb80)),
+ DEFINE_RES_IRQ(evt2irq(0xba0)),
+ DEFINE_RES_IRQ(evt2irq(0xbe0)),
+ DEFINE_RES_IRQ(evt2irq(0xbc0)),
+};
+
+static struct platform_device scif2_device = {
+ .name = "sh-sci",
+ .id = 2,
+ .resource = scif2_resources,
+ .num_resources = ARRAY_SIZE(scif2_resources),
+ .dev = {
+ .platform_data = &scif2_platform_data,
+ },
+};
+
+static struct plat_sci_port scif3_platform_data = {
+ /*
+ * This is actually a SIM card module serial port, based on an SCI with
+ * additional registers. The sh-sci driver doesn't support the SIM port
+ * type, declare it as a SCI. Don't declare the additional registers in
+ * the memory resource or the driver will compute an incorrect regshift
+ * value.
+ */
+ .type = PORT_SCI,
+};
+
+static struct resource scif3_resources[] = {
+ DEFINE_RES_MEM(0xfe480000, 0x10),
+ DEFINE_RES_IRQ(evt2irq(0xc00)),
+ DEFINE_RES_IRQ(evt2irq(0xc20)),
+ DEFINE_RES_IRQ(evt2irq(0xc40)),
+};
+
+static struct platform_device scif3_device = {
+ .name = "sh-sci",
+ .id = 3,
+ .resource = scif3_resources,
+ .num_resources = ARRAY_SIZE(scif3_resources),
+ .dev = {
+ .platform_data = &scif3_platform_data,
+ },
+};
+
+static struct sh_timer_config tmu0_platform_data = {
+ .channels_mask = 7,
+};
+
+static struct resource tmu0_resources[] = {
+ DEFINE_RES_MEM(0xffd80000, 0x30),
+ DEFINE_RES_IRQ(evt2irq(0x400)),
+ DEFINE_RES_IRQ(evt2irq(0x420)),
+ DEFINE_RES_IRQ(evt2irq(0x440)),
+};
+
+static struct platform_device tmu0_device = {
+ .name = "sh-tmu",
+ .id = 0,
+ .dev = {
+ .platform_data = &tmu0_platform_data,
+ },
+ .resource = tmu0_resources,
+ .num_resources = ARRAY_SIZE(tmu0_resources),
+};
+
+
+static struct platform_device *sh7760_devices[] __initdata = {
+ &scif0_device,
+ &scif1_device,
+ &scif2_device,
+ &scif3_device,
+ &tmu0_device,
+};
+
+static int __init sh7760_devices_setup(void)
+{
+ return platform_add_devices(sh7760_devices,
+ ARRAY_SIZE(sh7760_devices));
+}
+arch_initcall(sh7760_devices_setup);
+
+static struct platform_device *sh7760_early_devices[] __initdata = {
+ &scif0_device,
+ &scif1_device,
+ &scif2_device,
+ &scif3_device,
+ &tmu0_device,
+};
+
+void __init plat_early_device_setup(void)
+{
+ sh_early_platform_add_devices(sh7760_early_devices,
+ ARRAY_SIZE(sh7760_early_devices));
+}
+
+#define INTC_ICR 0xffd00000UL
+#define INTC_ICR_IRLM (1 << 7)
+
+void __init plat_irq_setup_pins(int mode)
+{
+ switch (mode) {
+ case IRQ_MODE_IRQ:
+ __raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
+ register_intc_controller(&intc_desc_irq);
+ break;
+ default:
+ BUG();
+ }
+}
+
+void __init plat_irq_setup(void)
+{
+ register_intc_controller(&intc_desc);
+}