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/*
* AMD Geode definitions
* Copyright (C) 2006, Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public License
* as published by the Free Software Foundation.
*/
#ifndef _ASM_GEODE_H_
#define _ASM_GEODE_H_
#include <asm/processor.h>
#include <linux/io.h>
/* Generic southbridge functions */
#define GEODE_DEV_PMS 0
#define GEODE_DEV_ACPI 1
#define GEODE_DEV_GPIO 2
#define GEODE_DEV_MFGPT 3
extern int geode_get_dev_base(unsigned int dev);
/* Useful macros */
#define geode_pms_base() geode_get_dev_base(GEODE_DEV_PMS)
#define geode_acpi_base() geode_get_dev_base(GEODE_DEV_ACPI)
#define geode_gpio_base() geode_get_dev_base(GEODE_DEV_GPIO)
#define geode_mfgpt_base() geode_get_dev_base(GEODE_DEV_MFGPT)
/* MSRS */
#define GX_GLCP_SYS_RSTPLL 0x4C000014
#define MSR_LBAR_SMB 0x5140000B
#define MSR_LBAR_GPIO 0x5140000C
#define MSR_LBAR_MFGPT 0x5140000D
#define MSR_LBAR_ACPI 0x5140000E
#define MSR_LBAR_PMS 0x5140000F
#define MSR_PIC_YSEL_LOW 0x51400020
#define MSR_PIC_YSEL_HIGH 0x51400021
#define MSR_PIC_ZSEL_LOW 0x51400022
#define MSR_PIC_ZSEL_HIGH 0x51400023
#define MFGPT_IRQ_MSR 0x51400028
#define MFGPT_NR_MSR 0x51400029
/* Resource Sizes */
#define LBAR_GPIO_SIZE 0xFF
#define LBAR_MFGPT_SIZE 0x40
#define LBAR_ACPI_SIZE 0x40
#define LBAR_PMS_SIZE 0x80
/* ACPI registers (PMS block) */
/*
* PM1_EN is only valid when VSA is enabled for 16 bit reads.
* When VSA is not enabled, *always* read both PM1_STS and PM1_EN
* with a 32 bit read at offset 0x0
*/
#define PM1_STS 0x00
#define PM1_EN 0x02
#define PM1_CNT 0x08
#define PM2_CNT 0x0C
#define PM_TMR 0x10
#define PM_GPE0_STS 0x18
#define PM_GPE0_EN 0x1C
/* PMC registers (PMS block) */
#define PM_SSD 0x00
#define PM_SCXA 0x04
#define PM_SCYA 0x08
#define PM_OUT_SLPCTL 0x0C
#define PM_SCLK 0x10
#define PM_SED 0x1
#define PM_SCXD 0x18
#define PM_SCYD 0x1C
#define PM_IN_SLPCTL 0x20
#define PM_WKD 0x30
#define PM_WKXD 0x34
#define PM_RD 0x38
#define PM_WKXA 0x3C
#define PM_FSD 0x40
#define PM_TSD 0x44
#define PM_PSD 0x48
#define PM_NWKD 0x4C
#define PM_AWKD 0x50
#define PM_SSC 0x54
/* GPIO */
#define GPIO_OUTPUT_VAL 0x00
#define GPIO_OUTPUT_ENABLE 0x04
#define GPIO_OUTPUT_OPEN_DRAIN 0x08
#define GPIO_OUTPUT_INVERT 0x0C
#define GPIO_OUTPUT_AUX1 0x10
#define GPIO_OUTPUT_AUX2 0x14
#define GPIO_PULL_UP 0x18
#define GPIO_PULL_DOWN 0x1C
#define GPIO_INPUT_ENABLE 0x20
#define GPIO_INPUT_INVERT 0x24
#define GPIO_INPUT_FILTER 0x28
#define GPIO_INPUT_EVENT_COUNT 0x2C
#define GPIO_READ_BACK 0x30
#define GPIO_INPUT_AUX1 0x34
#define GPIO_EVENTS_ENABLE 0x38
#define GPIO_LOCK_ENABLE 0x3C
#define GPIO_POSITIVE_EDGE_EN 0x40
#define GPIO_NEGATIVE_EDGE_EN 0x44
#define GPIO_POSITIVE_EDGE_STS 0x48
#define GPIO_NEGATIVE_EDGE_STS 0x4C
#define GPIO_MAP_X 0xE0
#define GPIO_MAP_Y 0xE4
#define GPIO_MAP_Z 0xE8
#define GPIO_MAP_W 0xEC
extern void geode_gpio_set(unsigned int, unsigned int);
extern void geode_gpio_clear(unsigned int, unsigned int);
extern int geode_gpio_isset(unsigned int, unsigned int);
extern void geode_gpio_setup_event(unsigned int, int, int);
extern void geode_gpio_set_irq(unsigned int, unsigned int);
static inline void geode_gpio_event_irq(unsigned int gpio, int pair)
{
geode_gpio_setup_event(gpio, pair, 0);
}
static inline void geode_gpio_event_pme(unsigned int gpio, int pair)
{
geode_gpio_setup_event(gpio, pair, 1);
}
/* Specific geode tests */
static inline int is_geode_gx(void)
{
return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) &&
(boot_cpu_data.x86 == 5) &&
(boot_cpu_data.x86_model == 5));
}
static inline int is_geode_lx(void)
{
return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
(boot_cpu_data.x86 == 5) &&
(boot_cpu_data.x86_model == 10));
}
static inline int is_geode(void)
{
return (is_geode_gx() || is_geode_lx());
}
#endif
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