+++ /dev/null
-/*
- * 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;
-}
-
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