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add-glamo-init.patch

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We have to init PLLs and memory and other assets in Glamo
before we can use SD Card stuff.

Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
Andy Green
2008-11-28 10:16:36 +00:00
committed by Andy Green
parent ee7de6d4ab
commit 9759d4e910
4 changed files with 570 additions and 0 deletions
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103
qiboot/src/drivers/glamo-init.c Normal file
View File

@@ -0,0 +1,103 @@
/*
* (C) Copyright 2007 by OpenMoko, Inc.
* Author: Harald Welte <laforge@openmoko.org>
* Andy Green <andy@openmoko.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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <qi.h>
#include <glamo-regs.h>
#define GLAMO_REG(x) (*(volatile unsigned short *)(0x08000000 + x))
static void glamo_reg_write(u16 reg, u16 val)
{
GLAMO_REG(reg) = val;
}
static u16 glamo_reg_read(u16 reg)
{
return GLAMO_REG(reg);
}
static u16 u16a_gen_init_0x0000[] = {
0x2020, 0x3650, 0x0002, 0x01FF, 0x0000, 0x0000, 0x0000, 0x0000,
0x000D, 0x000B, 0x00EE, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x1839, 0x0000, 0x2000, 0x0001, 0x0100, 0x0000, 0x0000, 0x0000,
0x05DB, 0x5231, 0x09C3, 0x8261, 0x0003, 0x0000, 0x0000, 0x0000,
0x000F, 0x101E, 0xC0C3, 0x101E, 0x000F, 0x0001, 0x030F, 0x020F,
0x080F, 0x0F0F
};
static u16 u16a_gen_init_0x0200[] = {
0x0EF0, 0x07FF, 0x0000, 0x0080, 0x0344, 0x0600, 0x0000, 0x0000,
0x0000, 0x0000, 0x4000, 0xF00E, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0, 0x00C0,
0x0873, 0xAFAF, 0x0108, 0x0010, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x1002, 0x6006, 0x00FF, 0x0001, 0x0020, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x3210, 0x5432, 0xE100, 0x01D6
};
void glamo_core_init(void)
{
int bp;
/* power up PLL1 and PLL2 */
glamo_reg_write(GLAMO_REG_PLL_GEN7, 0x0000);
glamo_reg_write(GLAMO_REG_PLL_GEN3, 0x0400);
/* enable memory clock and get it out of deep pwrdown */
glamo_reg_write(GLAMO_REG_CLOCK_MEMORY,
glamo_reg_read(GLAMO_REG_CLOCK_MEMORY) | 8);
glamo_reg_write(GLAMO_REG_MEM_DRAM2,
glamo_reg_read(GLAMO_REG_MEM_DRAM2) & (~(1 << 12)));
glamo_reg_write(GLAMO_REG_MEM_DRAM1,
glamo_reg_read(GLAMO_REG_MEM_DRAM1) & (~(1 << 12)));
/*
* we just fill up the general hostbus and LCD register sets
* with magic values taken from the Linux framebuffer init action
*/
for (bp = 0; bp < ARRAY_SIZE(u16a_gen_init_0x0000); bp++)
glamo_reg_write(0x0 | (bp << 1),
u16a_gen_init_0x0000[bp]);
for (bp = 0; bp < ARRAY_SIZE(u16a_gen_init_0x0200); bp++)
glamo_reg_write(0x200 | (bp << 1),
u16a_gen_init_0x0200[bp]);
/* spin until PLL1 lock */
while (!(glamo_reg_read(GLAMO_REG_PLL_GEN5) & 1))
;
}

7
qiboot/src/gta02/gta02.c
View File

@@ -29,6 +29,7 @@
#include <ports-s3c24xx.h>
#include <i2c-bitbang-s3c24xx.h>
#include <pcf50633.h>
#include <glamo-init.h>
#define GTA02_DEBUG_UART 2
@@ -197,6 +198,12 @@ void port_init_gta02(void)
/* configure MPLL */
*MPLLCON = ((42 << 12) + (1 << 4) + 0);
/* we're going to use Glamo for SD Card access, so we need to init the
* evil beast
*/
glamo_core_init();
/* get debug UART working at 115kbps */
serial_init_115200_s3c24xx(GTA02_DEBUG_UART, 50 /* 50MHz PCLK */);
}