Ignore:
Timestamp:
2013-01-24T22:07:06Z (12 years ago)
Author:
Jan Vesely <jano.vesely@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
03362fbd, 3acd1bb, d59c046
Parents:
6218d4b (diff), 24bead17 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge arm improvements.

Speed up boot by enabling caches early (but disable before jumping to kernel).
Add cycle counters on armv7.
Move bbxm dispc driver to uspace.
Add arm PROCESSOR and PROCESSOR_ARCH defines.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • kernel/arch/arm32/src/mach/beagleboardxm/beagleboardxm.c

    r6218d4b r005b765  
    3838#include <genarch/drivers/amdm37x_uart/amdm37x_uart.h>
    3939#include <genarch/drivers/amdm37x_gpt/amdm37x_gpt.h>
    40 #include <genarch/drivers/amdm37x_dispc/amdm37x_dispc.h>
    4140#include <genarch/fb/fb.h>
    4241#include <genarch/srln/srln.h>
     
    6160
    6261static struct beagleboard {
    63         amdm37x_dispc_regs_t *dispc;
    6462        amdm37x_irc_regs_t *irc_addr;
    6563        amdm37x_uart_t uart;
     
    8583}
    8684
    87 static void bbxm_setup_fb(unsigned width, unsigned height, unsigned bpp)
    88 {
    89         const unsigned pixel_bytes = (bpp / 8);
    90         const size_t size = ALIGN_UP(width * height * pixel_bytes, FRAME_SIZE);
    91         const unsigned frames = size / FRAME_SIZE;
    92         unsigned order = 0;
    93         unsigned frame = 1;
    94         while (frame < frames) {
    95                 frame *= 2;
    96                 ++order;
    97         }
    98         /* prefer highmem as we don't care about virtual mapping. */
    99         void *buffer = frame_alloc(order, FRAME_LOWMEM);
    100         if (!buffer) {
    101                 printf("Failed to allocate framebuffer.\n");
    102                 return;
    103         }
    104 
    105         amdm37x_dispc_setup_fb(beagleboard.dispc, width, height, bpp,
    106             (uintptr_t) buffer);
    107 
    108         fb_properties_t prop = {
    109                 .addr = (uintptr_t)buffer,
    110                 .offset = 0,
    111                 .x = width,
    112                 .y = height,
    113                 .scan = width * pixel_bytes,
    114                 .visual = VISUAL_RGB_5_6_5_LE
    115         };
    116         switch (bpp)
    117         {
    118         case 8:
    119                 prop.visual = VISUAL_INDIRECT_8; break;
    120         case 16:
    121                 prop.visual = VISUAL_RGB_5_6_5_LE; break;
    122         case 24:
    123                 prop.visual = VISUAL_BGR_8_8_8; break;
    124         case 32:
    125                 prop.visual = VISUAL_RGB_8_8_8_0; break;
    126         default:
    127                 printf("Invalid framebuffer bit depth: bailing out.\n");
    128                 return;
    129         }
    130         outdev_t *fb_dev = fb_init(&prop);
    131         if (fb_dev)
    132                 stdout_wire(fb_dev);
    133 
    134 }
    135 
    13685static void bb_timer_irq_handler(irq_t *irq)
    13786{
     
    154103        ASSERT(beagleboard.irc_addr);
    155104        amdm37x_irc_init(beagleboard.irc_addr);
    156 
    157         /* Map display controller */
    158         beagleboard.dispc = (void*) km_map(AMDM37x_DISPC_BASE_ADDRESS,
    159             AMDM37x_DISPC_SIZE, PAGE_NOT_CACHEABLE);
    160         ASSERT(beagleboard.dispc);
    161105
    162106        /* Initialize timer. Use timer1, because it is in WKUP power domain
     
    223167static void bbxm_output_init(void)
    224168{
    225 #ifdef CONFIG_FB
    226         bbxm_setup_fb(CONFIG_BFB_WIDTH, CONFIG_BFB_HEIGHT, CONFIG_BFB_BPP);
    227 #else
    228         (void)bbxm_setup_fb;
    229 #endif
    230169        /* UART3 is wired to external RS232 connector */
    231170        const bool ok = amdm37x_uart_init(&beagleboard.uart,
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