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authorMarkus Brunner <super.firetwister@gmail.com>2007-08-20 08:59:33 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-09-21 11:57:49 +0900
commit3ea6bc3de4f15fcae84fb31eeea4d420685a3da2 (patch)
tree2b9e37135052aab926b7be0822d024c4ba71c32e /arch
parentdfc5ed2a939baf08f9385a8c6249b719cac63665 (diff)
sh: Add SH7720 CPU support.
This adds support for the SH7720 (SH3-DSP) CPU. Signed-off by: Markus Brunner <super.firetwister@gmail.com> Signed-off by: Mark Jonas <toertel@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/Kconfig.debug1
-rw-r--r--arch/sh/drivers/dma/Kconfig1
-rw-r--r--arch/sh/drivers/dma/dma-sh.c12
-rw-r--r--arch/sh/kernel/cpu/sh3/Makefile2
-rw-r--r--arch/sh/kernel/cpu/sh3/probe.c3
-rw-r--r--arch/sh/kernel/cpu/sh3/setup-sh7720.c210
-rw-r--r--arch/sh/kernel/early_printk.c38
-rw-r--r--arch/sh/kernel/setup.c2
-rw-r--r--arch/sh/kernel/timers/timer-tmu.c3
-rw-r--r--arch/sh/mm/Kconfig8
10 files changed, 271 insertions, 9 deletions
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 6eb31bcc1e21..c870f5fdef34 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -34,6 +34,7 @@ config EARLY_SCIF_CONSOLE_PORT
default "0xfffe9800" if CPU_SUBTYPE_SH7206
default "0xf8420000" if CPU_SUBTYPE_SH7619
default "0xa4400000" if CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7705
+ default "0xa4430000" if CPU_SUBTYPE_SH7720
default "0xffc30000" if CPU_SUBTYPE_SHX3
default "0xffe80000" if CPU_SH4
default "0x00000000"
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index ee711431e504..4e711a0c3dae 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -12,6 +12,7 @@ config SH_DMA
config NR_ONCHIP_DMA_CHANNELS
int
depends on SH_DMA
+ default "6" if CPU_SUBTYPE_SH7720
default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R
default "12" if CPU_SUBTYPE_SH7780
default "4"
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 06ed0609a95d..6e5f16cb0aa5 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -24,13 +24,18 @@ static int dmte_irq_map[] = {
DMTE1_IRQ,
DMTE2_IRQ,
DMTE3_IRQ,
-#if defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
defined(CONFIG_CPU_SUBTYPE_SH7760) || \
defined(CONFIG_CPU_SUBTYPE_SH7780)
DMTE4_IRQ,
DMTE5_IRQ,
+#endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7760) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7780)
DMTE6_IRQ,
- DMTE7_IRQ,
+ DMTE7_IRQ,
#endif
};
@@ -196,7 +201,8 @@ static int sh_dmac_get_dma_residue(struct dma_channel *chan)
return ctrl_inl(DMATCR[chan->chan]) << calc_xmit_shift(chan);
}
-#ifdef CONFIG_CPU_SUBTYPE_SH7780
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7780)
#define dmaor_read_reg() ctrl_inw(DMAOR)
#define dmaor_write_reg(data) ctrl_outw(data, DMAOR)
#else
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index cd2a35270e30..646eb6933614 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7708) += setup-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7709) += setup-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7710) += setup-sh7710.o
obj-$(CONFIG_CPU_SUBTYPE_SH7712) += setup-sh7710.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7720) += setup-sh7720.o
# Primary on-chip clocks (common)
clock-$(CONFIG_CPU_SH3) := clock-sh3.o
@@ -19,5 +20,6 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7705) := clock-sh7705.o
clock-$(CONFIG_CPU_SUBTYPE_SH7706) := clock-sh7706.o
clock-$(CONFIG_CPU_SUBTYPE_SH7709) := clock-sh7709.o
clock-$(CONFIG_CPU_SUBTYPE_SH7710) := clock-sh7710.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7720) := clock-sh7710.o
obj-y += $(clock-y)
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index 647623b22edc..1a66cf636a9d 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -81,6 +81,9 @@ int __init detect_cpu_and_cache_system(void)
#if defined(CONFIG_CPU_SUBTYPE_SH7712)
current_cpu_data.type = CPU_SH7712;
#endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+ current_cpu_data.type = CPU_SH7720;
+#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7705)
current_cpu_data.type = CPU_SH7705;
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
new file mode 100644
index 000000000000..a0929b8a95ae
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -0,0 +1,210 @@
+/*
+ * SH7720 Setup
+ *
+ * Copyright (C) 2007 Markus Brunner, Mark Jonas
+ *
+ * Based on arch/sh/kernel/cpu/sh4/setup-sh7750.c:
+ *
+ * Copyright (C) 2006 Paul Mundt
+ * Copyright (C) 2006 Jamie Lenehan
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <linux/io.h>
+#include <asm/sci.h>
+#include <asm/rtc.h>
+
+#define INTC_ICR1 0xA4140010UL
+#define INTC_ICR_IRLM 0x4000
+#define INTC_ICR_IRQ (~INTC_ICR_IRLM)
+
+static struct resource rtc_resources[] = {
+ [0] = {
+ .start = 0xa413fec0,
+ .end = 0xa413fec0 + 0x28 - 1,
+ .flags = IORESOURCE_IO,
+ },
+ [1] = {
+ /* Period IRQ */
+ .start = 21,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* Carry IRQ */
+ .start = 22,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ /* Alarm IRQ */
+ .start = 20,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct sh_rtc_platform_info rtc_info = {
+ .capabilities = RTC_CAP_4_DIGIT_YEAR,
+};
+
+static struct platform_device rtc_device = {
+ .name = "sh-rtc",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(rtc_resources),
+ .resource = rtc_resources,
+ .dev = {
+ .platform_data = &rtc_info,
+ },
+};
+
+static struct plat_sci_port sci_platform_data[] = {
+ {
+ .mapbase = 0xa4430000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 80, 80, 80, 80 },
+ }, {
+ .mapbase = 0xa4438000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 81, 81, 81, 81 },
+ }, {
+
+ .flags = 0,
+ }
+};
+
+static struct platform_device sci_device = {
+ .name = "sh-sci",
+ .id = -1,
+ .dev = {
+ .platform_data = sci_platform_data,
+ },
+};
+
+static struct platform_device *sh7720_devices[] __initdata = {
+ &rtc_device,
+ &sci_device,
+};
+
+static int __init sh7720_devices_setup(void)
+{
+ return platform_add_devices(sh7720_devices,
+ ARRAY_SIZE(sh7720_devices));
+}
+__initcall(sh7720_devices_setup);
+
+enum {
+ UNUSED = 0,
+
+ /* interrupt sources */
+ TMU0, TMU1, TMU2, RTC_ATI, RTC_PRI, RTC_CUI,
+ WDT, REF_RCMI, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEND,
+ IRQ0, IRQ1, IRQ2, IRQ3,
+ USBF_SPD, TMU_SUNI, IRQ5, IRQ4,
+ DMAC1_DEI0, DMAC1_DEI1, DMAC1_DEI2, DMAC1_DEI3, LCDC, SSL,
+ ADC, DMAC2_DEI4, DMAC2_DEI5, USBFI0, USBFI1, CMT,
+ SCIF0, SCIF1,
+ PINT07, PINT815, TPU0, TPU1, TPU2, TPU3, IIC,
+ SIOF0, SIOF1, MMCI0, MMCI1, MMCI2, MMCI3, PCC,
+ USBHI, AFEIF,
+ H_UDI,
+ /* interrupt groups */
+ TMU, RTC, SIM, DMAC1, USBFI, DMAC2, USB, TPU, MMC,
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
+ INTC_VECT(TMU2, 0x440), INTC_VECT(RTC_ATI, 0x480),
+ INTC_VECT(RTC_PRI, 0x4a0), INTC_VECT(RTC_CUI, 0x4c0),
+ INTC_VECT(SIM_ERI, 0x4e0), INTC_VECT(SIM_RXI, 0x500),
+ INTC_VECT(SIM_TXI, 0x520), INTC_VECT(SIM_TEND, 0x540),
+ INTC_VECT(WDT, 0x560), INTC_VECT(REF_RCMI, 0x580),
+ /* H_UDI cannot be masked */ INTC_VECT(TMU_SUNI, 0x6c0),
+ INTC_VECT(USBF_SPD, 0x6e0), INTC_VECT(DMAC1_DEI0, 0x800),
+ INTC_VECT(DMAC1_DEI1, 0x820), INTC_VECT(DMAC1_DEI2, 0x840),
+ INTC_VECT(DMAC1_DEI3, 0x860), INTC_VECT(LCDC, 0x900),
+ INTC_VECT(SSL, 0x980), INTC_VECT(USBFI0, 0xa20),
+ INTC_VECT(USBFI1, 0xa40), INTC_VECT(USBHI, 0xa60),
+ INTC_VECT(DMAC2_DEI4, 0xb80), INTC_VECT(DMAC2_DEI5, 0xba0),
+ INTC_VECT(ADC, 0xbe0), INTC_VECT(SCIF0, 0xc00),
+ INTC_VECT(SCIF1, 0xc20), INTC_VECT(PINT07, 0xc80),
+ INTC_VECT(PINT815, 0xca0), INTC_VECT(SIOF0, 0xd00),
+ INTC_VECT(SIOF1, 0xd20), INTC_VECT(TPU0, 0xd80),
+ INTC_VECT(TPU1, 0xda0), INTC_VECT(TPU2, 0xdc0),
+ INTC_VECT(TPU3, 0xde0), INTC_VECT(IIC, 0xe00),
+ INTC_VECT(MMCI0, 0xe80), INTC_VECT(MMCI1, 0xea0),
+ INTC_VECT(MMCI2, 0xec0), INTC_VECT(MMCI3, 0xee0),
+ INTC_VECT(CMT, 0xf00), INTC_VECT(PCC, 0xf60),
+ INTC_VECT(AFEIF, 0xfe0),
+};
+
+static struct intc_group groups[] __initdata = {
+ INTC_GROUP(TMU, TMU0, TMU1, TMU2),
+ INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
+ INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEND),
+ INTC_GROUP(DMAC1, DMAC1_DEI0, DMAC1_DEI1, DMAC1_DEI2, DMAC1_DEI3),
+ INTC_GROUP(USBFI, USBFI0, USBFI1),
+ INTC_GROUP(DMAC2, DMAC2_DEI4, DMAC2_DEI5),
+ INTC_GROUP(TPU, TPU0, TPU1, TPU2, TPU3),
+ INTC_GROUP(MMC, MMCI0, MMCI1, MMCI2, MMCI3),
+};
+
+static struct intc_prio priorities[] __initdata = {
+ INTC_PRIO(SCIF0, 2),
+ INTC_PRIO(SCIF1, 2),
+ INTC_PRIO(DMAC1, 1),
+ INTC_PRIO(DMAC2, 1),
+ INTC_PRIO(RTC, 2),
+ INTC_PRIO(TMU, 2),
+ INTC_PRIO(TPU, 2),
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+ { 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
+ { 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } },
+ { 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
+ { 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } },
+ { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
+ { 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } },
+ { 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } },
+ { 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } },
+ { 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } },
+ { 0xA4080008UL, 0, 16, 4, /* IPRJ */ { 0, USBHI, 0, AFEIF } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, groups,
+ priorities, NULL, prio_registers, NULL);
+
+static struct intc_sense_reg sense_registers[] __initdata = {
+ { INTC_ICR1, 16, 2, { 0, 0, IRQ5, IRQ4, IRQ3, IRQ2, IRQ1, IRQ0 } },
+};
+
+static struct intc_vect vectors_irq[] __initdata = {
+ INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
+ INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
+ INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
+};
+
+static DECLARE_INTC_DESC(intc_irq_desc, "sh7720-irq", vectors_irq,
+ NULL, priorities, NULL, prio_registers, sense_registers);
+
+void __init plat_irq_setup_pins(int mode)
+{
+ switch (mode) {
+ case IRQ_MODE_IRQ:
+ ctrl_outw(ctrl_inw(INTC_ICR1) & INTC_ICR_IRQ, INTC_ICR1);
+ register_intc_controller(&intc_irq_desc);
+ break;
+ default:
+ BUG();
+ }
+}
+
+void __init plat_irq_setup(void)
+{
+ register_intc_controller(&intc_desc);
+}
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index 80b637c30203..85ed5b7ef278 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -13,6 +13,7 @@
#include <linux/tty.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/delay.h>
#ifdef CONFIG_SH_STANDARD_BIOS
#include <asm/sh_bios.h>
@@ -62,6 +63,18 @@ static struct console bios_console = {
#include <linux/serial_core.h>
#include "../../../drivers/serial/sh-sci.h"
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+#define EPK_SCSMR_VALUE 0x000
+#define EPK_SCBRR_VALUE 0x00C
+#define EPK_FIFO_SIZE 64
+#define EPK_FIFO_BITS (0x7f00 >> 8)
+#else
+#define EPK_FIFO_SIZE 16
+#define EPK_FIFO_BITS (0x1f00 >> 8)
+#endif
+
+
+
static struct uart_port scif_port = {
.mapbase = CONFIG_EARLY_SCIF_CONSOLE_PORT,
.membase = (char __iomem *)CONFIG_EARLY_SCIF_CONSOLE_PORT,
@@ -69,7 +82,7 @@ static struct uart_port scif_port = {
static void scif_sercon_putc(int c)
{
- while (((sci_in(&scif_port, SCFDR) & 0x1f00 >> 8) == 16))
+ while (((sci_in(&scif_port, SCFDR) & EPK_FIFO_BITS) >= EPK_FIFO_SIZE))
;
sci_out(&scif_port, SCxTDR, c);
@@ -105,7 +118,22 @@ static struct console scif_console = {
.index = -1,
};
-#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS)
+#if !defined(CONFIG_SH_STANDARD_BIOS)
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+static void scif_sercon_init(char *s)
+{
+ sci_out(&scif_port, SCSCR, 0x0000); /* clear TE and RE */
+ sci_out(&scif_port, SCFCR, 0x4006); /* reset */
+ sci_out(&scif_port, SCSCR, 0x0000); /* select internal clock */
+ sci_out(&scif_port, SCSMR, EPK_SCSMR_VALUE);
+ sci_out(&scif_port, SCBRR, EPK_SCBRR_VALUE);
+
+ mdelay(1); /* wait 1-bit time */
+
+ sci_out(&scif_port, SCFCR, 0x0030); /* TTRG=b'11 */
+ sci_out(&scif_port, SCSCR, 0x0030); /* TE, RE */
+}
+#elif defined(CONFIG_CPU_SH4)
#define DEFAULT_BAUD 115200
/*
* Simple SCIF init, primarily aimed at SH7750 and other similar SH-4
@@ -146,7 +174,8 @@ static void scif_sercon_init(char *s)
ctrl_outw(0, scif_port.mapbase + 36);
ctrl_outw(0x30, scif_port.mapbase + 8);
}
-#endif /* CONFIG_CPU_SH4 && !CONFIG_SH_STANDARD_BIOS */
+#endif /* defined(CONFIG_CPU_SUBTYPE_SH7720) */
+#endif /* !defined(CONFIG_SH_STANDARD_BIOS) */
#endif /* CONFIG_EARLY_SCIF_CONSOLE */
/*
@@ -186,7 +215,8 @@ int __init setup_early_printk(char *buf)
if (!strncmp(buf, "serial", 6)) {
early_console = &scif_console;
-#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS)
+#if (defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SUBTYPE_SH7720)) && \
+ !defined(CONFIG_SH_STANDARD_BIOS)
scif_sercon_init(buf + 6);
#endif
}
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 2cf7dec0d690..e0e655cba89c 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -279,7 +279,7 @@ static const char *cpu_name[] = {
[CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706",
[CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708",
[CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710",
- [CPU_SH7712] = "SH7712",
+ [CPU_SH7712] = "SH7712", [CPU_SH7720] = "SH7720",
[CPU_SH7729] = "SH7729", [CPU_SH7750] = "SH7750",
[CPU_SH7750S] = "SH7750S", [CPU_SH7750R] = "SH7750R",
[CPU_SH7751] = "SH7751", [CPU_SH7751R] = "SH7751R",
diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index 8a545d54e2d3..628ec9a15e38 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -173,7 +173,8 @@ static int tmu_timer_init(void)
tmu_timer_stop();
-#if !defined(CONFIG_CPU_SUBTYPE_SH7760) && \
+#if !defined(CONFIG_CPU_SUBTYPE_SH7720) && \
+ !defined(CONFIG_CPU_SUBTYPE_SH7760) && \
!defined(CONFIG_CPU_SUBTYPE_SH7785) && \
!defined(CONFIG_CPU_SUBTYPE_SHX3)
ctrl_outb(TMU_TOCR_INIT, TMU_TOCR);
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index e5801d9aac3f..5487b99d4f6d 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -111,6 +111,14 @@ config CPU_SUBTYPE_SH7712
help
Select SH7712 if you have a SH3-DSP SH7712 CPU.
+config CPU_SUBTYPE_SH7720
+ bool "Support SH7720 processor"
+ select CPU_SH3
+ select CPU_HAS_INTC_IRQ
+ select CPU_HAS_DSP
+ help
+ Select SH7720 if you have a SH3-DSP SH7720 CPU.
+
# SH-4 Processor Support
config CPU_SUBTYPE_SH7750