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ee983079ce
Low-power mode implementation for Lite5200b. Some I/O registers are also saved here. A recent U-Boot that supports this (lite5200b_PM_config) is needed. Signed-off-by: Domen Puncer <domen.puncer@telargo.com> Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
279 lines
8.4 KiB
C
279 lines
8.4 KiB
C
/*
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* Prototypes, etc. for the Freescale MPC52xx embedded cpu chips
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* May need to be cleaned as the port goes on ...
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*
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* Copyright (C) 2004-2005 Sylvain Munaut <tnt@246tNt.com>
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* Copyright (C) 2003 MontaVista, Software, Inc.
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#ifndef __ASM_POWERPC_MPC52xx_H__
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#define __ASM_POWERPC_MPC52xx_H__
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#ifndef __ASSEMBLY__
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#include <asm/types.h>
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#include <asm/prom.h>
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#endif /* __ASSEMBLY__ */
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/* ======================================================================== */
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/* Structures mapping of some unit register set */
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/* ======================================================================== */
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#ifndef __ASSEMBLY__
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/* Memory Mapping Control */
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struct mpc52xx_mmap_ctl {
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u32 mbar; /* MMAP_CTRL + 0x00 */
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u32 cs0_start; /* MMAP_CTRL + 0x04 */
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u32 cs0_stop; /* MMAP_CTRL + 0x08 */
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u32 cs1_start; /* MMAP_CTRL + 0x0c */
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u32 cs1_stop; /* MMAP_CTRL + 0x10 */
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u32 cs2_start; /* MMAP_CTRL + 0x14 */
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u32 cs2_stop; /* MMAP_CTRL + 0x18 */
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u32 cs3_start; /* MMAP_CTRL + 0x1c */
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u32 cs3_stop; /* MMAP_CTRL + 0x20 */
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u32 cs4_start; /* MMAP_CTRL + 0x24 */
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u32 cs4_stop; /* MMAP_CTRL + 0x28 */
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u32 cs5_start; /* MMAP_CTRL + 0x2c */
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u32 cs5_stop; /* MMAP_CTRL + 0x30 */
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u32 sdram0; /* MMAP_CTRL + 0x34 */
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u32 sdram1; /* MMAP_CTRL + 0X38 */
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u32 reserved[4]; /* MMAP_CTRL + 0x3c .. 0x48 */
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u32 boot_start; /* MMAP_CTRL + 0x4c */
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u32 boot_stop; /* MMAP_CTRL + 0x50 */
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u32 ipbi_ws_ctrl; /* MMAP_CTRL + 0x54 */
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u32 cs6_start; /* MMAP_CTRL + 0x58 */
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u32 cs6_stop; /* MMAP_CTRL + 0x5c */
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u32 cs7_start; /* MMAP_CTRL + 0x60 */
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u32 cs7_stop; /* MMAP_CTRL + 0x64 */
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};
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/* SDRAM control */
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struct mpc52xx_sdram {
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u32 mode; /* SDRAM + 0x00 */
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u32 ctrl; /* SDRAM + 0x04 */
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u32 config1; /* SDRAM + 0x08 */
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u32 config2; /* SDRAM + 0x0c */
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};
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/* SDMA */
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struct mpc52xx_sdma {
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u32 taskBar; /* SDMA + 0x00 */
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u32 currentPointer; /* SDMA + 0x04 */
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u32 endPointer; /* SDMA + 0x08 */
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u32 variablePointer; /* SDMA + 0x0c */
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u8 IntVect1; /* SDMA + 0x10 */
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u8 IntVect2; /* SDMA + 0x11 */
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u16 PtdCntrl; /* SDMA + 0x12 */
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u32 IntPend; /* SDMA + 0x14 */
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u32 IntMask; /* SDMA + 0x18 */
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u16 tcr[16]; /* SDMA + 0x1c .. 0x3a */
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u8 ipr[32]; /* SDMA + 0x3c .. 0x5b */
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u32 cReqSelect; /* SDMA + 0x5c */
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u32 task_size0; /* SDMA + 0x60 */
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u32 task_size1; /* SDMA + 0x64 */
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u32 MDEDebug; /* SDMA + 0x68 */
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u32 ADSDebug; /* SDMA + 0x6c */
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u32 Value1; /* SDMA + 0x70 */
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u32 Value2; /* SDMA + 0x74 */
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u32 Control; /* SDMA + 0x78 */
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u32 Status; /* SDMA + 0x7c */
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u32 PTDDebug; /* SDMA + 0x80 */
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};
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/* GPT */
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struct mpc52xx_gpt {
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u32 mode; /* GPTx + 0x00 */
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u32 count; /* GPTx + 0x04 */
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u32 pwm; /* GPTx + 0x08 */
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u32 status; /* GPTx + 0X0c */
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};
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/* GPIO */
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struct mpc52xx_gpio {
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u32 port_config; /* GPIO + 0x00 */
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u32 simple_gpioe; /* GPIO + 0x04 */
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u32 simple_ode; /* GPIO + 0x08 */
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u32 simple_ddr; /* GPIO + 0x0c */
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u32 simple_dvo; /* GPIO + 0x10 */
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u32 simple_ival; /* GPIO + 0x14 */
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u8 outo_gpioe; /* GPIO + 0x18 */
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u8 reserved1[3]; /* GPIO + 0x19 */
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u8 outo_dvo; /* GPIO + 0x1c */
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u8 reserved2[3]; /* GPIO + 0x1d */
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u8 sint_gpioe; /* GPIO + 0x20 */
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u8 reserved3[3]; /* GPIO + 0x21 */
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u8 sint_ode; /* GPIO + 0x24 */
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u8 reserved4[3]; /* GPIO + 0x25 */
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u8 sint_ddr; /* GPIO + 0x28 */
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u8 reserved5[3]; /* GPIO + 0x29 */
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u8 sint_dvo; /* GPIO + 0x2c */
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u8 reserved6[3]; /* GPIO + 0x2d */
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u8 sint_inten; /* GPIO + 0x30 */
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u8 reserved7[3]; /* GPIO + 0x31 */
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u16 sint_itype; /* GPIO + 0x34 */
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u16 reserved8; /* GPIO + 0x36 */
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u8 gpio_control; /* GPIO + 0x38 */
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u8 reserved9[3]; /* GPIO + 0x39 */
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u8 sint_istat; /* GPIO + 0x3c */
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u8 sint_ival; /* GPIO + 0x3d */
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u8 bus_errs; /* GPIO + 0x3e */
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u8 reserved10; /* GPIO + 0x3f */
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};
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#define MPC52xx_GPIO_PSC_CONFIG_UART_WITHOUT_CD 4
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#define MPC52xx_GPIO_PSC_CONFIG_UART_WITH_CD 5
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#define MPC52xx_GPIO_PCI_DIS (1<<15)
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/* GPIO with WakeUp*/
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struct mpc52xx_gpio_wkup {
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u8 wkup_gpioe; /* GPIO_WKUP + 0x00 */
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u8 reserved1[3]; /* GPIO_WKUP + 0x03 */
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u8 wkup_ode; /* GPIO_WKUP + 0x04 */
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u8 reserved2[3]; /* GPIO_WKUP + 0x05 */
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u8 wkup_ddr; /* GPIO_WKUP + 0x08 */
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u8 reserved3[3]; /* GPIO_WKUP + 0x09 */
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u8 wkup_dvo; /* GPIO_WKUP + 0x0C */
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u8 reserved4[3]; /* GPIO_WKUP + 0x0D */
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u8 wkup_inten; /* GPIO_WKUP + 0x10 */
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u8 reserved5[3]; /* GPIO_WKUP + 0x11 */
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u8 wkup_iinten; /* GPIO_WKUP + 0x14 */
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u8 reserved6[3]; /* GPIO_WKUP + 0x15 */
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u16 wkup_itype; /* GPIO_WKUP + 0x18 */
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u8 reserved7[2]; /* GPIO_WKUP + 0x1A */
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u8 wkup_maste; /* GPIO_WKUP + 0x1C */
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u8 reserved8[3]; /* GPIO_WKUP + 0x1D */
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u8 wkup_ival; /* GPIO_WKUP + 0x20 */
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u8 reserved9[3]; /* GPIO_WKUP + 0x21 */
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u8 wkup_istat; /* GPIO_WKUP + 0x24 */
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u8 reserved10[3]; /* GPIO_WKUP + 0x25 */
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};
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/* XLB Bus control */
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struct mpc52xx_xlb {
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u8 reserved[0x40];
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u32 config; /* XLB + 0x40 */
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u32 version; /* XLB + 0x44 */
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u32 status; /* XLB + 0x48 */
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u32 int_enable; /* XLB + 0x4c */
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u32 addr_capture; /* XLB + 0x50 */
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u32 bus_sig_capture; /* XLB + 0x54 */
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u32 addr_timeout; /* XLB + 0x58 */
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u32 data_timeout; /* XLB + 0x5c */
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u32 bus_act_timeout; /* XLB + 0x60 */
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u32 master_pri_enable; /* XLB + 0x64 */
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u32 master_priority; /* XLB + 0x68 */
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u32 base_address; /* XLB + 0x6c */
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u32 snoop_window; /* XLB + 0x70 */
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};
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#define MPC52xx_XLB_CFG_PLDIS (1 << 31)
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#define MPC52xx_XLB_CFG_SNOOP (1 << 15)
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/* Clock Distribution control */
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struct mpc52xx_cdm {
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u32 jtag_id; /* CDM + 0x00 reg0 read only */
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u32 rstcfg; /* CDM + 0x04 reg1 read only */
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u32 breadcrumb; /* CDM + 0x08 reg2 */
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u8 mem_clk_sel; /* CDM + 0x0c reg3 byte0 */
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u8 xlb_clk_sel; /* CDM + 0x0d reg3 byte1 read only */
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u8 ipb_clk_sel; /* CDM + 0x0e reg3 byte2 */
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u8 pci_clk_sel; /* CDM + 0x0f reg3 byte3 */
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u8 ext_48mhz_en; /* CDM + 0x10 reg4 byte0 */
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u8 fd_enable; /* CDM + 0x11 reg4 byte1 */
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u16 fd_counters; /* CDM + 0x12 reg4 byte2,3 */
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u32 clk_enables; /* CDM + 0x14 reg5 */
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u8 osc_disable; /* CDM + 0x18 reg6 byte0 */
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u8 reserved0[3]; /* CDM + 0x19 reg6 byte1,2,3 */
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u8 ccs_sleep_enable; /* CDM + 0x1c reg7 byte0 */
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u8 osc_sleep_enable; /* CDM + 0x1d reg7 byte1 */
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u8 reserved1; /* CDM + 0x1e reg7 byte2 */
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u8 ccs_qreq_test; /* CDM + 0x1f reg7 byte3 */
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u8 soft_reset; /* CDM + 0x20 u8 byte0 */
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u8 no_ckstp; /* CDM + 0x21 u8 byte0 */
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u8 reserved2[2]; /* CDM + 0x22 u8 byte1,2,3 */
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u8 pll_lock; /* CDM + 0x24 reg9 byte0 */
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u8 pll_looselock; /* CDM + 0x25 reg9 byte1 */
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u8 pll_sm_lockwin; /* CDM + 0x26 reg9 byte2 */
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u8 reserved3; /* CDM + 0x27 reg9 byte3 */
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u16 reserved4; /* CDM + 0x28 reg10 byte0,1 */
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u16 mclken_div_psc1; /* CDM + 0x2a reg10 byte2,3 */
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u16 reserved5; /* CDM + 0x2c reg11 byte0,1 */
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u16 mclken_div_psc2; /* CDM + 0x2e reg11 byte2,3 */
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u16 reserved6; /* CDM + 0x30 reg12 byte0,1 */
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u16 mclken_div_psc3; /* CDM + 0x32 reg12 byte2,3 */
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u16 reserved7; /* CDM + 0x34 reg13 byte0,1 */
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u16 mclken_div_psc6; /* CDM + 0x36 reg13 byte2,3 */
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};
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#endif /* __ASSEMBLY__ */
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/* ========================================================================= */
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/* Prototypes for MPC52xx sysdev */
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/* ========================================================================= */
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#ifndef __ASSEMBLY__
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extern void __iomem * mpc52xx_find_and_map(const char *);
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extern unsigned int mpc52xx_find_ipb_freq(struct device_node *node);
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extern void mpc52xx_setup_cpu(void);
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extern void mpc52xx_declare_of_platform_devices(void);
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extern void mpc52xx_init_irq(void);
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extern unsigned int mpc52xx_get_irq(void);
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extern int __init mpc52xx_add_bridge(struct device_node *node);
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#endif /* __ASSEMBLY__ */
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#ifdef CONFIG_PM
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struct mpc52xx_suspend {
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void (*board_suspend_prepare)(void __iomem *mbar);
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void (*board_resume_finish)(void __iomem *mbar);
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};
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extern struct mpc52xx_suspend mpc52xx_suspend;
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extern int __init mpc52xx_pm_init(void);
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extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level);
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#ifdef CONFIG_PPC_LITE5200
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extern int __init lite5200_pm_init(void);
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/* lite5200 calls mpc5200 suspend functions, so here they are */
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extern int mpc52xx_pm_prepare(suspend_state_t);
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extern int mpc52xx_pm_enter(suspend_state_t);
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extern int mpc52xx_pm_finish(suspend_state_t);
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extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */
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#endif
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#endif /* CONFIG_PM */
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#endif /* __ASM_POWERPC_MPC52xx_H__ */
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