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[Qemu-devel] Re: [PATCH] musicpal: Reorganize IO memory handling
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] Re: [PATCH] musicpal: Reorganize IO memory handling |
Date: |
Sun, 08 Mar 2009 21:01:41 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
Jan Kiszka wrote:
> The new MMIO interface requires non-overlapping slots. Reorganize the
> musicpal accordingly, fixing a regression for the Ethernet emulation.
>
> Signed-off-by: Jan Kiszka <address@hidden>
> ---
>
> hw/musicpal.c | 189
> ++++++++++++++++++++++++++++++++++++++++++---------------
> 1 files changed, 139 insertions(+), 50 deletions(-)
>
> diff --git a/hw/musicpal.c b/hw/musicpal.c
> index 75c8887..03f40d3 100644
> --- a/hw/musicpal.c
> +++ b/hw/musicpal.c
> @@ -20,12 +20,21 @@
> #include "audio/audio.h"
> #include "i2c.h"
>
> +#define MP_MISC_BASE 0x80002000
> +#define MP_MISC_SIZE 0x00001000
> +
> #define MP_ETH_BASE 0x80008000
> #define MP_ETH_SIZE 0x00001000
>
> +#define MP_WLAN_BASE 0x8000C000
> +#define MP_WLAN_SIZE 0x00000800
> +
> #define MP_UART1_BASE 0x8000C840
> #define MP_UART2_BASE 0x8000C940
>
> +#define MP_GPIO_BASE 0x8000D000
> +#define MP_GPIO_SIZE 0x00001000
> +
> #define MP_FLASHCFG_BASE 0x90006000
> #define MP_FLASHCFG_SIZE 0x00001000
>
> @@ -429,7 +438,7 @@ static CPUWriteMemoryFunc *musicpal_audio_writefn[] = {
> musicpal_audio_write
> };
>
> -static i2c_interface *musicpal_audio_init(uint32_t base, qemu_irq irq)
> +static i2c_interface *musicpal_audio_init(qemu_irq irq)
> {
> AudioState *audio;
> musicpal_audio_state *s;
> @@ -457,14 +466,14 @@ static i2c_interface *musicpal_audio_init(uint32_t
> base, qemu_irq irq)
>
> iomemtype = cpu_register_io_memory(0, musicpal_audio_readfn,
> musicpal_audio_writefn, s);
> - cpu_register_physical_memory(base, MP_AUDIO_SIZE, iomemtype);
> + cpu_register_physical_memory(MP_AUDIO_BASE, MP_AUDIO_SIZE, iomemtype);
>
> qemu_register_reset(musicpal_audio_reset, s);
>
> return i2c;
> }
> #else /* !HAS_AUDIO */
> -static i2c_interface *musicpal_audio_init(uint32_t base, qemu_irq irq)
> +static i2c_interface *musicpal_audio_init(qemu_irq irq)
> {
> return NULL;
> }
> @@ -899,7 +908,7 @@ static CPUWriteMemoryFunc *musicpal_lcd_writefn[] = {
> musicpal_lcd_write
> };
>
> -static void musicpal_lcd_init(uint32_t base)
> +static void musicpal_lcd_init(void)
> {
> musicpal_lcd_state *s;
> int iomemtype;
> @@ -907,7 +916,7 @@ static void musicpal_lcd_init(uint32_t base)
> s = qemu_mallocz(sizeof(musicpal_lcd_state));
> iomemtype = cpu_register_io_memory(0, musicpal_lcd_readfn,
> musicpal_lcd_writefn, s);
> - cpu_register_physical_memory(base, MP_LCD_SIZE, iomemtype);
> + cpu_register_physical_memory(MP_LCD_BASE, MP_LCD_SIZE, iomemtype);
>
> s->ds = graphic_console_init(lcd_refresh, lcd_invalidate,
> NULL, NULL, s);
> @@ -1195,20 +1204,102 @@ static void mv88w8618_flashcfg_init(uint32_t base)
> cpu_register_physical_memory(base, MP_FLASHCFG_SIZE, iomemtype);
> }
>
> -/* Various registers in the 0x80000000 domain */
> -#define MP_BOARD_REVISION 0x2018
> +/* Misc register offsets */
> +#define MP_MISC_BOARD_REVISION 0x18
> +
> +#define MP_BOARD_REVISION 0x31
> +
> +static uint32_t musicpal_misc_read(void *opaque, target_phys_addr_t offset)
> +{
> + switch (offset) {
> + case MP_MISC_BOARD_REVISION:
> + return MP_BOARD_REVISION;
> +
> + default:
> + return 0;
> + }
> +}
> +
> +static void musicpal_misc_write(void *opaque, target_phys_addr_t offset,
> + uint32_t value)
> +{
> +}
> +
> +static CPUReadMemoryFunc *musicpal_misc_readfn[] = {
> + musicpal_misc_read,
> + musicpal_misc_read,
> + musicpal_misc_read,
> +};
> +
> +static CPUWriteMemoryFunc *musicpal_misc_writefn[] = {
> + musicpal_misc_write,
> + musicpal_misc_write,
> + musicpal_misc_write,
> +};
> +
> +static void musicpal_misc_init(void)
> +{
> + int iomemtype;
> +
> + iomemtype = cpu_register_io_memory(0, musicpal_misc_readfn,
> + musicpal_misc_writefn, NULL);
> + cpu_register_physical_memory(MP_MISC_BASE, MP_MISC_SIZE, iomemtype);
> +}
> +
> +/* WLAN register offsets */
> +#define MP_WLAN_MAGIC1 0x11c
> +#define MP_WLAN_MAGIC2 0x124
> +
> +static uint32_t mv88w8618_wlan_read(void *opaque, target_phys_addr_t offset)
> +{
> + switch (offset) {
> + /* Workaround to allow loading the binary-only wlandrv.ko crap
> + * from the original Freecom firmware. */
> + case MP_WLAN_MAGIC1:
> + return ~3;
> + case MP_WLAN_MAGIC2:
> + return -1;
> +
> + default:
> + return 0;
> + }
> +}
> +
> +static void mv88w8618_wlan_write(void *opaque, target_phys_addr_t offset,
> + uint32_t value)
> +{
> +}
> +
> +static CPUReadMemoryFunc *mv88w8618_wlan_readfn[] = {
> + mv88w8618_wlan_read,
> + mv88w8618_wlan_read,
> + mv88w8618_wlan_read,
> +};
> +
> +static CPUWriteMemoryFunc *mv88w8618_wlan_writefn[] = {
> + mv88w8618_wlan_write,
> + mv88w8618_wlan_write,
> + mv88w8618_wlan_write,
> +};
> +
> +static void mv88w8618_wlan_init(uint32_t base)
> +{
> + int iomemtype;
>
> -#define MP_WLAN_MAGIC1 0xc11c
> -#define MP_WLAN_MAGIC2 0xc124
> + iomemtype = cpu_register_io_memory(0, mv88w8618_wlan_readfn,
> + mv88w8618_wlan_writefn, NULL);
> + cpu_register_physical_memory(base, MP_WLAN_SIZE, iomemtype);
> +}
>
> -#define MP_GPIO_OE_LO 0xd008
> -#define MP_GPIO_OUT_LO 0xd00c
> -#define MP_GPIO_IN_LO 0xd010
> -#define MP_GPIO_ISR_LO 0xd020
> -#define MP_GPIO_OE_HI 0xd508
> -#define MP_GPIO_OUT_HI 0xd50c
> -#define MP_GPIO_IN_HI 0xd510
> -#define MP_GPIO_ISR_HI 0xd520
> +/* GPIO register offsets */
> +#define MP_GPIO_OE_LO 0x008
> +#define MP_GPIO_OUT_LO 0x00c
> +#define MP_GPIO_IN_LO 0x010
> +#define MP_GPIO_ISR_LO 0x020
> +#define MP_GPIO_OE_HI 0x508
> +#define MP_GPIO_OUT_HI 0x50c
> +#define MP_GPIO_IN_HI 0x510
> +#define MP_GPIO_ISR_HI 0x520
>
> /* GPIO bits & masks */
> #define MP_GPIO_WHEEL_VOL (1 << 8)
> @@ -1227,12 +1318,9 @@ static void mv88w8618_flashcfg_init(uint32_t base)
> /* LCD brightness bits in GPIO_OE_HI */
> #define MP_OE_LCD_BRIGHTNESS 0x0007
>
> -static uint32_t musicpal_read(void *opaque, target_phys_addr_t offset)
> +static uint32_t musicpal_gpio_read(void *opaque, target_phys_addr_t offset)
> {
> switch (offset) {
> - case MP_BOARD_REVISION:
> - return 0x0031;
> -
> case MP_GPIO_OE_HI: /* used for LCD brightness control */
> return lcd_brightness & MP_OE_LCD_BRIGHTNESS;
>
> @@ -1254,20 +1342,13 @@ static uint32_t musicpal_read(void *opaque,
> target_phys_addr_t offset)
> case MP_GPIO_ISR_HI:
> return gpio_isr >> 16;
>
> - /* Workaround to allow loading the binary-only wlandrv.ko crap
> - * from the original Freecom firmware. */
> - case MP_WLAN_MAGIC1:
> - return ~3;
> - case MP_WLAN_MAGIC2:
> - return -1;
> -
> default:
> return 0;
> }
> }
>
> -static void musicpal_write(void *opaque, target_phys_addr_t offset,
> - uint32_t value)
> +static void musicpal_gpio_write(void *opaque, target_phys_addr_t offset,
> + uint32_t value)
> {
> switch (offset) {
> case MP_GPIO_OE_HI: /* used for LCD brightness control */
> @@ -1290,6 +1371,27 @@ static void musicpal_write(void *opaque,
> target_phys_addr_t offset,
> }
> }
>
> +static CPUReadMemoryFunc *musicpal_gpio_readfn[] = {
> + musicpal_gpio_read,
> + musicpal_gpio_read,
> + musicpal_gpio_read,
> +};
> +
> +static CPUWriteMemoryFunc *musicpal_gpio_writefn[] = {
> + musicpal_gpio_write,
> + musicpal_gpio_write,
> + musicpal_gpio_write,
> +};
> +
> +static void musicpal_gpio_init(void)
> +{
> + int iomemtype;
> +
> + iomemtype = cpu_register_io_memory(0, musicpal_gpio_readfn,
> + musicpal_gpio_writefn, NULL);
> + cpu_register_physical_memory(MP_GPIO_BASE, MP_GPIO_SIZE, iomemtype);
> +}
> +
> /* Keyboard codes & masks */
> #define KEY_RELEASED 0x80
> #define KEY_CODE 0x7f
> @@ -1370,18 +1472,6 @@ static void musicpal_key_event(void *opaque, int
> keycode)
> kbd_extended = 0;
> }
>
> -static CPUReadMemoryFunc *musicpal_readfn[] = {
> - musicpal_read,
> - musicpal_read,
> - musicpal_read,
> -};
> -
> -static CPUWriteMemoryFunc *musicpal_writefn[] = {
> - musicpal_write,
> - musicpal_write,
> - musicpal_write,
> -};
> -
> static struct arm_boot_info musicpal_binfo = {
> .loader_start = 0x0,
> .board_id = 0x20e,
> @@ -1395,7 +1485,6 @@ static void musicpal_init(ram_addr_t ram_size, int
> vga_ram_size,
> CPUState *env;
> qemu_irq *pic;
> int index;
> - int iomemtype;
> unsigned long flash_size;
>
> if (!cpu_model)
> @@ -1415,11 +1504,6 @@ static void musicpal_init(ram_addr_t ram_size, int
> vga_ram_size,
> sram_off = qemu_ram_alloc(MP_SRAM_SIZE);
> cpu_register_physical_memory(MP_SRAM_BASE, MP_SRAM_SIZE, sram_off);
>
> - /* Catch various stuff not handled by separate subsystems */
> - iomemtype = cpu_register_io_memory(0, musicpal_readfn,
> - musicpal_writefn, env);
> - cpu_register_physical_memory(0x80000000, 0x10000, iomemtype);
> -
> pic = mv88w8618_pic_init(MP_PIC_BASE, pic[ARM_PIC_CPU_IRQ]);
> mv88w8618_pit_init(MP_PIT_BASE, pic, MP_TIMER1_IRQ);
>
> @@ -1454,13 +1538,18 @@ static void musicpal_init(ram_addr_t ram_size, int
> vga_ram_size,
> }
> mv88w8618_flashcfg_init(MP_FLASHCFG_BASE);
>
> - musicpal_lcd_init(MP_LCD_BASE);
> + musicpal_lcd_init();
>
> qemu_add_kbd_event_handler(musicpal_key_event, pic[MP_GPIO_IRQ]);
>
> mv88w8618_eth_init(&nd_table[0], MP_ETH_BASE, pic[MP_ETH_IRQ]);
>
> - mixer_i2c = musicpal_audio_init(MP_AUDIO_BASE, pic[MP_AUDIO_IRQ]);
> + mixer_i2c = musicpal_audio_init(pic[MP_AUDIO_IRQ]);
> +
> + mv88w8618_wlan_init(MP_WLAN_BASE);
> +
> + musicpal_misc_init();
> + musicpal_gpio_init();
>
> musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE;
> musicpal_binfo.kernel_filename = kernel_filename;
>
>
>
Could anyone out there apply this patch? Then please push it to both
trunk and stable as it is primarily a bug fix.
Thanks,
Jan
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