aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/kernel/cpu/sh2
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/kernel/cpu/sh2')
-rw-r--r--arch/sh/kernel/cpu/sh2/clock-sh7619.c38
-rw-r--r--arch/sh/kernel/cpu/sh2/entry.S3
-rw-r--r--arch/sh/kernel/cpu/sh2/probe.c6
-rw-r--r--arch/sh/kernel/cpu/sh2/setup-sh7619.c178
4 files changed, 113 insertions, 112 deletions
diff --git a/arch/sh/kernel/cpu/sh2/clock-sh7619.c b/arch/sh/kernel/cpu/sh2/clock-sh7619.c
index 4fe863170e3..e80252ae5bc 100644
--- a/arch/sh/kernel/cpu/sh2/clock-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/clock-sh7619.c
@@ -14,62 +14,64 @@
*/
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/io.h>
#include <asm/clock.h>
#include <asm/freq.h>
-#include <asm/io.h>
+#include <asm/processor.h>
static const int pll1rate[] = {1,2};
static const int pfc_divisors[] = {1,2,0,4};
-
-#if (CONFIG_SH_CLK_MD == 1) || (CONFIG_SH_CLK_MD == 2)
-#define PLL2 (4)
-#elif (CONFIG_SH_CLK_MD == 5) || (CONFIG_SH_CLK_MD == 6)
-#define PLL2 (2)
-#else
-#error "Illigal Clock Mode!"
-#endif
+static unsigned int pll2_mult;
static void master_clk_init(struct clk *clk)
{
- clk->rate *= PLL2 * pll1rate[(ctrl_inw(FREQCR) >> 8) & 7];
+ clk->rate *= pll2_mult * pll1rate[(__raw_readw(FREQCR) >> 8) & 7];
}
-static struct clk_ops sh7619_master_clk_ops = {
+static struct sh_clk_ops sh7619_master_clk_ops = {
.init = master_clk_init,
};
static unsigned long module_clk_recalc(struct clk *clk)
{
- int idx = (ctrl_inw(FREQCR) & 0x0007);
+ int idx = (__raw_readw(FREQCR) & 0x0007);
return clk->parent->rate / pfc_divisors[idx];
}
-static struct clk_ops sh7619_module_clk_ops = {
+static struct sh_clk_ops sh7619_module_clk_ops = {
.recalc = module_clk_recalc,
};
static unsigned long bus_clk_recalc(struct clk *clk)
{
- return clk->parent->rate / pll1rate[(ctrl_inw(FREQCR) >> 8) & 7];
+ return clk->parent->rate / pll1rate[(__raw_readw(FREQCR) >> 8) & 7];
}
-static struct clk_ops sh7619_bus_clk_ops = {
+static struct sh_clk_ops sh7619_bus_clk_ops = {
.recalc = bus_clk_recalc,
};
-static struct clk_ops sh7619_cpu_clk_ops = {
+static struct sh_clk_ops sh7619_cpu_clk_ops = {
.recalc = followparent_recalc,
};
-static struct clk_ops *sh7619_clk_ops[] = {
+static struct sh_clk_ops *sh7619_clk_ops[] = {
&sh7619_master_clk_ops,
&sh7619_module_clk_ops,
&sh7619_bus_clk_ops,
&sh7619_cpu_clk_ops,
};
-void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+void __init arch_init_clk_ops(struct sh_clk_ops **ops, int idx)
{
+ if (test_mode_pin(MODE_PIN2 | MODE_PIN0) ||
+ test_mode_pin(MODE_PIN2 | MODE_PIN1))
+ pll2_mult = 2;
+ else if (test_mode_pin(MODE_PIN0) || test_mode_pin(MODE_PIN1))
+ pll2_mult = 4;
+
+ BUG_ON(!pll2_mult);
+
if (idx < ARRAY_SIZE(sh7619_clk_ops))
*ops = sh7619_clk_ops[idx];
}
diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S
index becc54c4569..c8a4331d9b8 100644
--- a/arch/sh/kernel/cpu/sh2/entry.S
+++ b/arch/sh/kernel/cpu/sh2/entry.S
@@ -227,8 +227,9 @@ ENTRY(sh_bios_handler)
mov.l @r15+, r14
add #8,r15
lds.l @r15+, pr
+ mov.l @r15+,r15
rte
- mov.l @r15+,r15
+ nop
.align 2
1: .long gdb_vbr_vector
#endif /* CONFIG_SH_STANDARD_BIOS */
diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c
index 5916d9096b9..6c687ae812e 100644
--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -13,7 +13,7 @@
#include <asm/processor.h>
#include <asm/cache.h>
-int __init detect_cpu_and_cache_system(void)
+void cpu_probe(void)
{
#if defined(CONFIG_CPU_SUBTYPE_SH7619)
boot_cpu_data.type = CPU_SH7619;
@@ -29,7 +29,5 @@ int __init detect_cpu_and_cache_system(void)
*/
boot_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
boot_cpu_data.icache = boot_cpu_data.dcache;
-
- return 0;
+ boot_cpu_data.family = CPU_FAMILY_SH2;
}
-
diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
index 13798733f2d..58c19adae90 100644
--- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
+#include <linux/sh_eth.h>
#include <linux/sh_timer.h>
#include <linux/io.h>
@@ -59,39 +60,79 @@ static struct intc_prio_reg prio_registers[] __initdata = {
static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL,
NULL, prio_registers, NULL);
-static struct plat_sci_port sci_platform_data[] = {
- {
- .mapbase = 0xf8400000,
- .flags = UPF_BOOT_AUTOCONF,
- .type = PORT_SCIF,
- .irqs = { 88, 88, 88, 88 },
- }, {
- .mapbase = 0xf8410000,
- .flags = UPF_BOOT_AUTOCONF,
- .type = PORT_SCIF,
- .irqs = { 92, 92, 92, 92 },
- }, {
- .mapbase = 0xf8420000,
- .flags = UPF_BOOT_AUTOCONF,
- .type = PORT_SCIF,
- .irqs = { 96, 96, 96, 96 },
- }, {
- .flags = 0,
- }
-};
-
-static struct platform_device sci_device = {
+static struct plat_sci_port scif0_platform_data = {
+ .flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .type = PORT_SCIF,
+};
+
+static struct resource scif0_resources[] = {
+ DEFINE_RES_MEM(0xf8400000, 0x100),
+ DEFINE_RES_IRQ(88),
+};
+
+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 = {
+ .flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .type = PORT_SCIF,
+};
+
+static struct resource scif1_resources[] = {
+ DEFINE_RES_MEM(0xf8410000, 0x100),
+ DEFINE_RES_IRQ(92),
+};
+
+static struct platform_device scif1_device = {
.name = "sh-sci",
- .id = -1,
+ .id = 1,
+ .resource = scif1_resources,
+ .num_resources = ARRAY_SIZE(scif1_resources),
.dev = {
- .platform_data = sci_platform_data,
+ .platform_data = &scif1_platform_data,
},
};
+static struct plat_sci_port scif2_platform_data = {
+ .flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .type = PORT_SCIF,
+};
+
+static struct resource scif2_resources[] = {
+ DEFINE_RES_MEM(0xf8420000, 0x100),
+ DEFINE_RES_IRQ(96),
+};
+
+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 sh_eth_plat_data eth_platform_data = {
+ .phy = 1,
+ .edmac_endian = EDMAC_LITTLE_ENDIAN,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
static struct resource eth_resources[] = {
[0] = {
.start = 0xfb000000,
- .end = 0xfb0001c8,
+ .end = 0xfb0001c7,
.flags = IORESOURCE_MEM,
},
[1] = {
@@ -102,84 +143,41 @@ static struct resource eth_resources[] = {
};
static struct platform_device eth_device = {
- .name = "sh-eth",
- .id = -1,
+ .name = "sh7619-ether",
+ .id = -1,
.dev = {
- .platform_data = (void *)1,
+ .platform_data = &eth_platform_data,
},
.num_resources = ARRAY_SIZE(eth_resources),
.resource = eth_resources,
};
-static struct sh_timer_config cmt0_platform_data = {
- .name = "CMT0",
- .channel_offset = 0x02,
- .timer_bit = 0,
- .clk = "peripheral_clk",
- .clockevent_rating = 125,
- .clocksource_rating = 0, /* disabled due to code generation issues */
+static struct sh_timer_config cmt_platform_data = {
+ .channels_mask = 3,
};
-static struct resource cmt0_resources[] = {
- [0] = {
- .name = "CMT0",
- .start = 0xf84a0072,
- .end = 0xf84a0077,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 86,
- .flags = IORESOURCE_IRQ,
- },
+static struct resource cmt_resources[] = {
+ DEFINE_RES_MEM(0xf84a0070, 0x10),
+ DEFINE_RES_IRQ(86),
+ DEFINE_RES_IRQ(87),
};
-static struct platform_device cmt0_device = {
- .name = "sh_cmt",
+static struct platform_device cmt_device = {
+ .name = "sh-cmt-16",
.id = 0,
.dev = {
- .platform_data = &cmt0_platform_data,
- },
- .resource = cmt0_resources,
- .num_resources = ARRAY_SIZE(cmt0_resources),
-};
-
-static struct sh_timer_config cmt1_platform_data = {
- .name = "CMT1",
- .channel_offset = 0x08,
- .timer_bit = 1,
- .clk = "peripheral_clk",
- .clockevent_rating = 125,
- .clocksource_rating = 0, /* disabled due to code generation issues */
-};
-
-static struct resource cmt1_resources[] = {
- [0] = {
- .name = "CMT1",
- .start = 0xf84a0078,
- .end = 0xf84a007d,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 87,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device cmt1_device = {
- .name = "sh_cmt",
- .id = 1,
- .dev = {
- .platform_data = &cmt1_platform_data,
+ .platform_data = &cmt_platform_data,
},
- .resource = cmt1_resources,
- .num_resources = ARRAY_SIZE(cmt1_resources),
+ .resource = cmt_resources,
+ .num_resources = ARRAY_SIZE(cmt_resources),
};
static struct platform_device *sh7619_devices[] __initdata = {
- &sci_device,
+ &scif0_device,
+ &scif1_device,
+ &scif2_device,
&eth_device,
- &cmt0_device,
- &cmt1_device,
+ &cmt_device,
};
static int __init sh7619_devices_setup(void)
@@ -187,7 +185,7 @@ static int __init sh7619_devices_setup(void)
return platform_add_devices(sh7619_devices,
ARRAY_SIZE(sh7619_devices));
}
-__initcall(sh7619_devices_setup);
+arch_initcall(sh7619_devices_setup);
void __init plat_irq_setup(void)
{
@@ -195,8 +193,10 @@ void __init plat_irq_setup(void)
}
static struct platform_device *sh7619_early_devices[] __initdata = {
- &cmt0_device,
- &cmt1_device,
+ &scif0_device,
+ &scif1_device,
+ &scif2_device,
+ &cmt_device,
};
#define STBCR3 0xf80a0000
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 01:48:03 +0000