diff options
author | Antonino A. Daplas <adaplas@gmail.com> | 2006-01-09 20:53:13 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-10 08:01:46 -0800 |
commit | cb639258f92b2407c50f79a95364f42932481389 (patch) | |
tree | bb069095848bf723f4bfd06e027e6c467b8931b3 | |
parent | 313e58ab362473fb471f32b7bf86587f7c627a11 (diff) | |
download | linux-cb639258f92b2407c50f79a95364f42932481389.tar.gz linux-cb639258f92b2407c50f79a95364f42932481389.tar.bz2 linux-cb639258f92b2407c50f79a95364f42932481389.zip |
[PATCH] fbdev: atyfb: Remove BIOS-less booting
CONFIG_ATYFB_XL_INIT option is broken for a long time. It will always cause a
kernel hang.
Since no one has fixed this problem for some time now, remove it from atyfb.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r-- | drivers/video/Kconfig | 6 | ||||
-rw-r--r-- | drivers/video/aty/Makefile | 1 | ||||
-rw-r--r-- | drivers/video/aty/atyfb.h | 1 | ||||
-rw-r--r-- | drivers/video/aty/atyfb_base.c | 4 | ||||
-rw-r--r-- | drivers/video/aty/xlinit.c | 359 |
5 files changed, 0 insertions, 371 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 3f04427c9026..ba757fb5a657 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -993,12 +993,6 @@ config FB_ATY_GENERIC_LCD Say Y if you have a laptop with an ATI Rage LT PRO, Rage Mobility, Rage XC, or Rage XL chipset. -config FB_ATY_XL_INIT - bool "Rage XL No-BIOS Init support" - depends on FB_ATY_CT - help - Say Y here to support booting a Rage XL without BIOS support. - config FB_ATY_GX bool "Mach64 GX support" if PCI depends on FB_ATY diff --git a/drivers/video/aty/Makefile b/drivers/video/aty/Makefile index 9dec96249ffb..18521397a6e3 100644 --- a/drivers/video/aty/Makefile +++ b/drivers/video/aty/Makefile @@ -5,7 +5,6 @@ obj-$(CONFIG_FB_RADEON) += radeonfb.o atyfb-y := atyfb_base.o mach64_accel.o mach64_cursor.o atyfb-$(CONFIG_FB_ATY_GX) += mach64_gx.o atyfb-$(CONFIG_FB_ATY_CT) += mach64_ct.o -atyfb-$(CONFIG_FB_ATY_XL_INIT) += xlinit.o atyfb-objs := $(atyfb-y) diff --git a/drivers/video/aty/atyfb.h b/drivers/video/aty/atyfb.h index 09de173c1164..71d30b5ea819 100644 --- a/drivers/video/aty/atyfb.h +++ b/drivers/video/aty/atyfb.h @@ -354,6 +354,5 @@ static inline void wait_for_idle(struct atyfb_par *par) extern void aty_reset_engine(const struct atyfb_par *par); extern void aty_init_engine(struct atyfb_par *par, struct fb_info *info); -extern int atyfb_xl_init(struct fb_info *info); extern void aty_st_pll_ct(int offset, u8 val, const struct atyfb_par *par); extern u8 aty_ld_pll_ct(int offset, const struct atyfb_par *par); diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index d8195f7da834..5a80ac01032f 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -2291,10 +2291,6 @@ static int __init aty_init(struct fb_info *info, const char *name) par->dac_ops = &aty_dac_ct; par->pll_ops = &aty_pll_ct; par->bus_type = PCI; -#ifdef CONFIG_FB_ATY_XL_INIT - if (IS_XL(par->pci_id)) - atyfb_xl_init(info); -#endif par->ram_type = (aty_ld_le32(CONFIG_STAT0, par) & 0x07); ramname = aty_ct_ram[par->ram_type]; /* for many chips, the mclk is 67 MHz for SDRAM, 63 MHz otherwise */ diff --git a/drivers/video/aty/xlinit.c b/drivers/video/aty/xlinit.c deleted file mode 100644 index a085cbf74ecb..000000000000 --- a/drivers/video/aty/xlinit.c +++ /dev/null @@ -1,359 +0,0 @@ -/* - * ATI Rage XL Initialization. Support for Xpert98 and Victoria - * PCI cards. - * - * Copyright (C) 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * stevel@mvista.com or source@mvista.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <asm/io.h> -#include <video/mach64.h> -#include "atyfb.h" - -#define MPLL_GAIN 0xad -#define VPLL_GAIN 0xd5 - -enum { - VICTORIA = 0, - XPERT98, - NUM_XL_CARDS -}; - -extern const struct aty_pll_ops aty_pll_ct; - -#define DEFAULT_CARD XPERT98 -static int xl_card = DEFAULT_CARD; - -static const struct xl_card_cfg_t { - int ref_crystal; // 10^4 Hz - int mem_type; - int mem_size; - u32 mem_cntl; - u32 ext_mem_cntl; - u32 mem_addr_config; - u32 bus_cntl; - u32 dac_cntl; - u32 hw_debug; - u32 custom_macro_cntl; - u8 dll2_cntl; - u8 pll_yclk_cntl; -} card_cfg[NUM_XL_CARDS] = { - // VICTORIA - { 2700, SDRAM, 0x800000, - 0x10757A3B, 0x64000C81, 0x00110202, 0x7b33A040, - 0x82010102, 0x48803800, 0x005E0179, - 0x50, 0x25 - }, - // XPERT98 - { 1432, WRAM, 0x800000, - 0x00165A2B, 0xE0000CF1, 0x00200213, 0x7333A001, - 0x8000000A, 0x48833800, 0x007F0779, - 0x10, 0x19 - } -}; - -typedef struct { - u8 lcd_reg; - u32 val; -} lcd_tbl_t; - -static const lcd_tbl_t lcd_tbl[] = { - { 0x01, 0x000520C0 }, - { 0x08, 0x02000408 }, - { 0x03, 0x00000F00 }, - { 0x00, 0x00000000 }, - { 0x02, 0x00000000 }, - { 0x04, 0x00000000 }, - { 0x05, 0x00000000 }, - { 0x06, 0x00000000 }, - { 0x33, 0x00000000 }, - { 0x34, 0x00000000 }, - { 0x35, 0x00000000 }, - { 0x36, 0x00000000 }, - { 0x37, 0x00000000 } -}; - -static void reset_gui(struct atyfb_par *par) -{ - aty_st_8(GEN_TEST_CNTL+1, 0x01, par); - aty_st_8(GEN_TEST_CNTL+1, 0x00, par); - aty_st_8(GEN_TEST_CNTL+1, 0x02, par); - mdelay(5); -} - -static void reset_sdram(struct atyfb_par *par) -{ - u8 temp; - - temp = aty_ld_8(EXT_MEM_CNTL, par); - temp |= 0x02; - aty_st_8(EXT_MEM_CNTL, temp, par); // MEM_SDRAM_RESET = 1b - temp |= 0x08; - aty_st_8(EXT_MEM_CNTL, temp, par); // MEM_CYC_TEST = 10b - temp |= 0x0c; - aty_st_8(EXT_MEM_CNTL, temp, par); // MEM_CYC_TEST = 11b - mdelay(5); - temp &= 0xf3; - aty_st_8(EXT_MEM_CNTL, temp, par); // MEM_CYC_TEST = 00b - temp &= 0xfd; - aty_st_8(EXT_MEM_CNTL, temp, par); // MEM_SDRAM_REST = 0b - mdelay(5); -} - -static void init_dll(struct atyfb_par *par) -{ - // enable DLL - aty_st_pll_ct(PLL_GEN_CNTL, - aty_ld_pll_ct(PLL_GEN_CNTL, par) & 0x7f, - par); - - // reset DLL - aty_st_pll_ct(DLL_CNTL, 0x82, par); - aty_st_pll_ct(DLL_CNTL, 0xE2, par); - mdelay(5); - aty_st_pll_ct(DLL_CNTL, 0x82, par); - mdelay(6); -} - -static void reset_clocks(struct atyfb_par *par, struct pll_ct *pll, - int hsync_enb) -{ - reset_gui(par); - aty_st_pll_ct(MCLK_FB_DIV, pll->mclk_fb_div, par); - aty_st_pll_ct(SCLK_FB_DIV, pll->sclk_fb_div, par); - - mdelay(15); - init_dll(par); - aty_st_8(GEN_TEST_CNTL+1, 0x00, par); - mdelay(5); - aty_st_8(CRTC_GEN_CNTL+3, 0x04, par); - mdelay(6); - reset_sdram(par); - aty_st_8(CRTC_GEN_CNTL+3, - hsync_enb ? 0x00 : 0x04, par); - - aty_st_pll_ct(SPLL_CNTL2, pll->spll_cntl2, par); - aty_st_pll_ct(PLL_GEN_CNTL, pll->pll_gen_cntl, par); - aty_st_pll_ct(PLL_VCLK_CNTL, pll->pll_vclk_cntl, par); -} - -int atyfb_xl_init(struct fb_info *info) -{ - const struct xl_card_cfg_t * card = &card_cfg[xl_card]; - struct atyfb_par *par = (struct atyfb_par *) info->par; - union aty_pll pll; - int err; - u32 temp; - - aty_st_8(CONFIG_STAT0, 0x85, par); - mdelay(10); - - /* - * The following needs to be set before the call - * to var_to_pll() below. They'll be re-set again - * to the same values in aty_init(). - */ - par->ref_clk_per = 100000000UL/card->ref_crystal; - par->ram_type = card->mem_type; - info->fix.smem_len = card->mem_size; - if (xl_card == VICTORIA) { - // the MCLK, XCLK are 120MHz on victoria card - par->mclk_per = 1000000/120; - par->xclk_per = 1000000/120; - par->features &= ~M64F_MFB_FORCE_4; - } - - /* - * Calculate mclk and xclk dividers, etc. The passed - * pixclock and bpp values don't matter yet, the vclk - * isn't programmed until later. - */ - if ((err = aty_pll_ct.var_to_pll(info, 39726, 8, &pll))) - return err; - - aty_st_pll_ct(LVDS_CNTL0, 0x00, par); - aty_st_pll_ct(DLL2_CNTL, card->dll2_cntl, par); - aty_st_pll_ct(V2PLL_CNTL, 0x10, par); - aty_st_pll_ct(MPLL_CNTL, MPLL_GAIN, par); - aty_st_pll_ct(VPLL_CNTL, VPLL_GAIN, par); - aty_st_pll_ct(PLL_VCLK_CNTL, 0x00, par); - aty_st_pll_ct(VFC_CNTL, 0x1B, par); - aty_st_pll_ct(PLL_REF_DIV, pll.ct.pll_ref_div, par); - aty_st_pll_ct(PLL_EXT_CNTL, pll.ct.pll_ext_cntl, par); - aty_st_pll_ct(SPLL_CNTL2, 0x03, par); - aty_st_pll_ct(PLL_GEN_CNTL, 0x44, par); - - reset_clocks(par, &pll.ct, 0); - mdelay(10); - - aty_st_pll_ct(VCLK_POST_DIV, 0x03, par); - aty_st_pll_ct(VCLK0_FB_DIV, 0xDA, par); - aty_st_pll_ct(VCLK_POST_DIV, 0x0F, par); - aty_st_pll_ct(VCLK1_FB_DIV, 0xF5, par); - aty_st_pll_ct(VCLK_POST_DIV, 0x3F, par); - aty_st_pll_ct(PLL_EXT_CNTL, 0x40 | pll.ct.pll_ext_cntl, par); - aty_st_pll_ct(VCLK2_FB_DIV, 0x00, par); - aty_st_pll_ct(VCLK_POST_DIV, 0xFF, par); - aty_st_pll_ct(PLL_EXT_CNTL, 0xC0 | pll.ct.pll_ext_cntl, par); - aty_st_pll_ct(VCLK3_FB_DIV, 0x00, par); - - aty_st_8(BUS_CNTL, 0x01, par); - aty_st_le32(BUS_CNTL, card->bus_cntl | 0x08000000, par); - - aty_st_le32(CRTC_GEN_CNTL, 0x04000200, par); - aty_st_le16(CONFIG_STAT0, 0x0020, par); - aty_st_le32(MEM_CNTL, 0x10151A33, par); - aty_st_le32(EXT_MEM_CNTL, 0xE0000C01, par); - aty_st_le16(CRTC_GEN_CNTL+2, 0x0000, par); - aty_st_le32(DAC_CNTL, card->dac_cntl, par); - aty_st_le16(GEN_TEST_CNTL, 0x0100, par); - aty_st_le32(CUSTOM_MACRO_CNTL, 0x003C0171, par); - aty_st_le32(MEM_BUF_CNTL, 0x00382848, par); - - aty_st_le32(HW_DEBUG, card->hw_debug, par); - aty_st_le16(MEM_ADDR_CONFIG, 0x0000, par); - aty_st_le16(GP_IO+2, 0x0000, par); - aty_st_le16(GEN_TEST_CNTL, 0x0000, par); - aty_st_le16(EXT_DAC_REGS+2, 0x0000, par); - aty_st_le32(CRTC_INT_CNTL, 0x00000000, par); - aty_st_le32(TIMER_CONFIG, 0x00000000, par); - aty_st_le32(0xEC, 0x00000000, par); - aty_st_le32(0xFC, 0x00000000, par); - -#if defined (CONFIG_FB_ATY_GENERIC_LCD) - { - int i; - - for (i = 0; i < ARRAY_SIZE(lcd_tbl); i++) - aty_st_lcd(lcd_tbl[i].lcd_reg, lcd_tbl[i].val, par); - } -#endif - - aty_st_le16(CONFIG_STAT0, 0x00A4, par); - mdelay(10); - - aty_st_8(BUS_CNTL+1, 0xA0, par); - mdelay(10); - - reset_clocks(par, &pll.ct, 1); - mdelay(10); - - // something about power management - aty_st_8(LCD_INDEX, 0x08, par); - aty_st_8(LCD_DATA, 0x0A, par); - aty_st_8(LCD_INDEX, 0x08, par); - aty_st_8(LCD_DATA+3, 0x02, par); - aty_st_8(LCD_INDEX, 0x08, par); - aty_st_8(LCD_DATA, 0x0B, par); - mdelay(2); - - // enable display requests, enable CRTC - aty_st_8(CRTC_GEN_CNTL+3, 0x02, par); - // disable display - aty_st_8(CRTC_GEN_CNTL, 0x40, par); - // disable display requests, disable CRTC - aty_st_8(CRTC_GEN_CNTL+3, 0x04, par); - mdelay(10); - - aty_st_pll_ct(PLL_YCLK_CNTL, 0x25, par); - - aty_st_le16(CUSTOM_MACRO_CNTL, 0x0179, par); - aty_st_le16(CUSTOM_MACRO_CNTL+2, 0x005E, par); - aty_st_le16(CUSTOM_MACRO_CNTL+2, card->custom_macro_cntl>>16, par); - aty_st_8(CUSTOM_MACRO_CNTL+1, - (card->custom_macro_cntl>>8) & 0xff, par); - - aty_st_le32(MEM_ADDR_CONFIG, card->mem_addr_config, par); - aty_st_le32(MEM_CNTL, card->mem_cntl, par); - aty_st_le32(EXT_MEM_CNTL, card->ext_mem_cntl, par); - - aty_st_8(CONFIG_STAT0, 0xA0 | card->mem_type, par); - - aty_st_pll_ct(PLL_YCLK_CNTL, 0x01, par); - mdelay(15); - aty_st_pll_ct(PLL_YCLK_CNTL, card->pll_yclk_cntl, par); - mdelay(1); - - reset_clocks(par, &pll.ct, 0); - mdelay(50); - reset_clocks(par, &pll.ct, 0); - mdelay(50); - - // enable extended register block - aty_st_8(BUS_CNTL+3, 0x7B, par); - mdelay(1); - // disable extended register block - aty_st_8(BUS_CNTL+3, 0x73, par); - - aty_st_8(CONFIG_STAT0, 0x80 | card->mem_type, par); - - // disable display requests, disable CRTC - aty_st_8(CRTC_GEN_CNTL+3, 0x04, par); - // disable mapping registers in VGA aperture - aty_st_8(CONFIG_CNTL, aty_ld_8(CONFIG_CNTL, par) & ~0x04, par); - mdelay(50); - // enable display requests, enable CRTC - aty_st_8(CRTC_GEN_CNTL+3, 0x02, par); - - // make GPIO's 14,15,16 all inputs - aty_st_8(LCD_INDEX, 0x07, par); - aty_st_8(LCD_DATA+3, 0x00, par); - - // enable the display - aty_st_8(CRTC_GEN_CNTL, 0x00, par); - mdelay(17); - // reset the memory controller - aty_st_8(GEN_TEST_CNTL+1, 0x02, par); - mdelay(15); - aty_st_8(GEN_TEST_CNTL+1, 0x00, par); - mdelay(30); - - // enable extended register block - aty_st_8(BUS_CNTL+3, - (u8)(aty_ld_8(BUS_CNTL+3, par) | 0x08), - par); - // set FIFO size to 512 (PIO) - aty_st_le32(GUI_CNTL, - aty_ld_le32(GUI_CNTL, par) & ~0x3, - par); - - // enable CRT and disable lcd - aty_st_8(LCD_INDEX, 0x01, par); - temp = aty_ld_le32(LCD_DATA, par); - temp = (temp | 0x01) & ~0x02; - aty_st_le32(LCD_DATA, temp, par); - return 0; -} - |