6 files changed, 122 insertions, 32 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index e2bdd7b94fd9..0fb99b0eac5b 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -10,6 +10,7 @@ config SUPERH
         select EMBEDDED
         select HAVE_CLK
         select HAVE_IDE
+        select HAVE_LMB
         select HAVE_OPROFILE
         select HAVE_GENERIC_DMA_COHERENT
         select HAVE_IOREMAP_PROT if MMU
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index c050a8d76dfd..8fed45a2fb85 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -19,6 +19,7 @@
 #include <linux/smc91x.h>
 #include <linux/gpio.h>
 #include <linux/input.h>
+#include <linux/usb/r8a66597.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <asm/io.h>
@@ -302,6 +303,34 @@ static struct platform_device sh_eth_device = {
         .resource = sh_eth_resources,
 };
 
+static struct r8a66597_platdata sh7724_usb0_host_data = {
+};
+
+static struct resource sh7724_usb0_host_resources[] = {
+        [0] = {
+                .start  = 0xa4d80000,
+                .end    = 0xa4d800ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 65,
+                .end    = 65,
+                .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+        },
+};
+
+static struct platform_device sh7724_usb0_host_device = {
+        .name           = "r8a66597_hcd",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = NULL,         /*  not use dma */
+                .coherent_dma_mask      = 0xffffffff,
+                .platform_data          = &sh7724_usb0_host_data,
+        },
+        .num_resources  = ARRAY_SIZE(sh7724_usb0_host_resources),
+        .resource       = sh7724_usb0_host_resources,
+};
+
 static struct platform_device *ms7724se_devices[] __initdata = {
         &heartbeat_device,
         &smc91x_eth_device,
@@ -311,6 +340,7 @@ static struct platform_device *ms7724se_devices[] __initdata = {
         &ceu1_device,
         &keysc_device,
         &sh_eth_device,
+        &sh7724_usb0_host_device,
 };
 
 #define EEPROM_OP   0xBA206000
@@ -364,6 +394,7 @@ static void __init sh_eth_init(void)
 #define SW4140    0xBA201000
 #define FPGA_OUT  0xBA200400
 #define PORT_HIZA 0xA4050158
+#define PORT_MSELCRB 0xA4050182
 
 #define SW41_A    0x0100
 #define SW41_B    0x0200
@@ -373,6 +404,7 @@ static void __init sh_eth_init(void)
 #define SW41_F    0x2000
 #define SW41_G    0x4000
 #define SW41_H    0x8000
+
 static int __init devices_setup(void)
 {
         u16 sw = ctrl_inw(SW4140); /* select camera, monitor */
@@ -385,6 +417,12 @@ static int __init devices_setup(void)
                     (1 << 14)), /* RMII */
                   FPGA_OUT);
 
+        /* turn on USB clocks, use external clock */
+        ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
+
+        /* enable USB0 port */
+        ctrl_outw(0x0600, 0xa40501d4);
+
         /* enable IRQ 0,1,2 */
         gpio_request(GPIO_FN_INTC_IRQ0, NULL);
         gpio_request(GPIO_FN_INTC_IRQ1, NULL);
diff --git a/arch/sh/include/asm/lmb.h b/arch/sh/include/asm/lmb.h
new file mode 100644
index 000000000000..9b437f657ffa
--- /dev/null
+++ b/arch/sh/include/asm/lmb.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_SH_LMB_H
+#define __ASM_SH_LMB_H
+
+#define LMB_REAL_LIMIT  0
+
+#endif /* __ASM_SH_LMB_H */
diff --git a/arch/sh/include/asm/perf_counter.h b/arch/sh/include/asm/perf_counter.h
index 61c2b40c802c..d8e6bb9c0ccc 100644
--- a/arch/sh/include/asm/perf_counter.h
+++ b/arch/sh/include/asm/perf_counter.h
@@ -4,4 +4,6 @@
 /* SH only supports software counters through this interface. */
 static inline void set_perf_counter_pending(void) {}
 
+#define PERF_COUNTER_INDEX_OFFSET       0
+
 #endif /* __ASM_SH_PERF_COUNTER_H */
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index dd38338553ef..ceb409bf7741 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -30,6 +30,7 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
+#include <linux/lmb.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/page.h>
@@ -233,39 +234,45 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
 void __init setup_bootmem_allocator(unsigned long free_pfn)
 {
         unsigned long bootmap_size;
+        unsigned long bootmap_pages, bootmem_paddr;
+        u64 total_pages = (lmb_end_of_DRAM() - __MEMORY_START) >> PAGE_SHIFT;
+        int i;
+
+        bootmap_pages = bootmem_bootmap_pages(total_pages);
+
+        bootmem_paddr = lmb_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE);
 
         /*
          * Find a proper area for the bootmem bitmap. After this
          * bootstrap step all allocations (until the page allocator
          * is intact) must be done via bootmem_alloc().
          */
-        bootmap_size = init_bootmem_node(NODE_DATA(0), free_pfn,
+        bootmap_size = init_bootmem_node(NODE_DATA(0),
+                                         bootmem_paddr >> PAGE_SHIFT,
                                          min_low_pfn, max_low_pfn);
 
-        __add_active_range(0, min_low_pfn, max_low_pfn);
-        register_bootmem_low_pages();
-
-        node_set_online(0);
+        /* Add active regions with valid PFNs. */
+        for (i = 0; i < lmb.memory.cnt; i++) {
+                unsigned long start_pfn, end_pfn;
+                start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
+                end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);
+                __add_active_range(0, start_pfn, end_pfn);
+        }
 
         /*
-         * Reserve the kernel text and
-         * Reserve the bootmem bitmap. We do this in two steps (first step
-         * was init_bootmem()), because this catches the (definitely buggy)
-         * case of us accidentally initializing the bootmem allocator with
-         * an invalid RAM area.
+         * Add all physical memory to the bootmem map and mark each
+         * area as present.
          */
-        reserve_bootmem(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
-                        (PFN_PHYS(free_pfn) + bootmap_size + PAGE_SIZE - 1) -
-                        (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET),
-                        BOOTMEM_DEFAULT);
+        register_bootmem_low_pages();
 
-        /*
-         * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
-         */
-        if (CONFIG_ZERO_PAGE_OFFSET != 0)
-                reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
+        /* Reserve the sections we're already using. */
+        for (i = 0; i < lmb.reserved.cnt; i++)
+                reserve_bootmem(lmb.reserved.region[i].base,
+                                lmb_size_bytes(&lmb.reserved, i),
                                 BOOTMEM_DEFAULT);
 
+        node_set_online(0);
+
         sparse_memory_present_with_active_regions(0);
 
 #ifdef CONFIG_BLK_DEV_INITRD
@@ -296,12 +303,37 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
 static void __init setup_memory(void)
 {
         unsigned long start_pfn;
+        u64 base = min_low_pfn << PAGE_SHIFT;
+        u64 size = (max_low_pfn << PAGE_SHIFT) - base;
 
         /*
          * Partially used pages are not usable - thus
          * we are rounding upwards:
          */
         start_pfn = PFN_UP(__pa(_end));
+
+        lmb_add(base, size);
+
+        /*
+         * Reserve the kernel text and
+         * Reserve the bootmem bitmap. We do this in two steps (first step
+         * was init_bootmem()), because this catches the (definitely buggy)
+         * case of us accidentally initializing the bootmem allocator with
+         * an invalid RAM area.
+         */
+        lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
+                    (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) -
+                    (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
+
+        /*
+         * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
+         */
+        if (CONFIG_ZERO_PAGE_OFFSET != 0)
+                lmb_reserve(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET);
+
+        lmb_analyze();
+        lmb_dump_all();
+
         setup_bootmem_allocator(start_pfn);
 }
 #else
@@ -402,6 +434,7 @@ void __init setup_arch(char **cmdline_p)
         nodes_clear(node_online_map);
 
         /* Setup bootmem with available RAM */
+        lmb_init();
         setup_memory();
         sparse_init();
 
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
index 095d93bec7cd..9b784fdb947c 100644
--- a/arch/sh/mm/numa.c
+++ b/arch/sh/mm/numa.c
@@ -9,6 +9,7 @@
  */
 #include <linux/module.h>
 #include <linux/bootmem.h>
+#include <linux/lmb.h>
 #include <linux/mm.h>
 #include <linux/numa.h>
 #include <linux/pfn.h>
@@ -26,6 +27,15 @@ EXPORT_SYMBOL_GPL(node_data);
 void __init setup_memory(void)
 {
         unsigned long free_pfn = PFN_UP(__pa(_end));
+        u64 base = min_low_pfn << PAGE_SHIFT;
+        u64 size = (max_low_pfn << PAGE_SHIFT) - min_low_pfn;
+
+        lmb_add(base, size);
+
+        /* Reserve the LMB regions used by the kernel, initrd, etc.. */
+        lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
+                    (PFN_PHYS(free_pfn) + PAGE_SIZE - 1) -
+                    (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
 
         /*
          * Node 0 sets up its pgdat at the first available pfn,
@@ -45,24 +55,23 @@ void __init setup_memory(void)
 
 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
 {
-        unsigned long bootmap_pages, bootmap_start, bootmap_size;
-        unsigned long start_pfn, free_pfn, end_pfn;
+        unsigned long bootmap_pages;
+        unsigned long start_pfn, end_pfn;
+        unsigned long bootmem_paddr;
 
         /* Don't allow bogus node assignment */
         BUG_ON(nid > MAX_NUMNODES || nid == 0);
 
-        /*
-         * The free pfn starts at the beginning of the range, and is
-         * advanced as necessary for pgdat and node map allocations.
-         */
-        free_pfn = start_pfn = start >> PAGE_SHIFT;
+        start_pfn = start >> PAGE_SHIFT;
         end_pfn = end >> PAGE_SHIFT;
 
+        lmb_add(start, end - start);
+
         __add_active_range(nid, start_pfn, end_pfn);
 
         /* Node-local pgdat */
-        NODE_DATA(nid) = pfn_to_kaddr(free_pfn);
-        free_pfn += PFN_UP(sizeof(struct pglist_data));
+        NODE_DATA(nid) = __va(lmb_alloc_base(sizeof(struct pglist_data),
+                                             SMP_CACHE_BYTES, end_pfn));
         memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
 
         NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
@@ -71,16 +80,17 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
 
         /* Node-local bootmap */
         bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
-        bootmap_start = (unsigned long)pfn_to_kaddr(free_pfn);
-        bootmap_size = init_bootmem_node(NODE_DATA(nid), free_pfn, start_pfn,
-                                    end_pfn);
+        bootmem_paddr = lmb_alloc_base(bootmap_pages << PAGE_SHIFT,
+                                       PAGE_SIZE, end_pfn);
+        init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT,
+                          start_pfn, end_pfn);
 
         free_bootmem_with_active_regions(nid, end_pfn);
 
         /* Reserve the pgdat and bootmap space with the bootmem allocator */
         reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT,
                              sizeof(struct pglist_data), BOOTMEM_DEFAULT);
-        reserve_bootmem_node(NODE_DATA(nid), free_pfn << PAGE_SHIFT,
+        reserve_bootmem_node(NODE_DATA(nid), bootmem_paddr,
                              bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT);
 
         /* It's up */