Merge branch 'rmobile-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* 'rmobile-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (67 commits)
  ARM: mach-shmobile: update for SMP changes.
  ARM: mach-shmobile: update for GIC changes.
  ARM: mach-shmobile: Fix up clkdev fallout for SH73A0.
  dma: shdma: don't register the global die notifier multiple times
  ARM: mach-shmobile: Rely on run-time IRQ handlers
  ARM: mach-shmobile: Run-time IRQ handler for GIC
  ARM: mach-shmobile: Run-time IRQ handler for INTCA
  ARM: mach-shmobile: Enable CONFIG_MULTI_IRQ_HANDLER
  ARM: mach-shmobile: Use shared GIC entry macros
  ARM: mach-shmobile: mackerel: Add zboot support
  ARM: mach-shmobile: mackerel: Add HDMI sound support
  ARM: mach-shmobile: mackerel: add HDMI video support
  ARM: mach-shmobile: ap4evb: fixup clk_put timing of fsib_clk
  ARM: mach-shmobile: sh73a0: fix div4 table
  ARM: mach-shmobile: ap4/mackerel: modify wrong comment out of USB
  ARM: mach-shmobile: Mackerel VGA camera support
  mmc: sh_mmcif: make DMA support by the driver unconditional
  ARM: mach-shmobile: Add eMMC support through MMCIF on AG5EVM
  ARM: mach-shmobile: Use pullups for AG5EVM KEYSC pins
  ARM: mach-shmobile: sh73a0 GPIO pullup improvement
  ...
This commit is contained in:
Linus Torvalds 2011-01-07 14:50:14 -08:00
commit d074b104ce
40 changed files with 6907 additions and 223 deletions

View file

@ -14,8 +14,9 @@
#ifndef __SH_MMCIF_H__
#define __SH_MMCIF_H__
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/sh_dma.h>
/*
* MMCIF : CE_CLK_CTRL [19:16]
@ -31,13 +32,19 @@
* 1111 : Peripheral clock (sup_pclk set '1')
*/
struct sh_mmcif_dma {
struct sh_dmae_slave chan_priv_tx;
struct sh_dmae_slave chan_priv_rx;
};
struct sh_mmcif_plat_data {
void (*set_pwr)(struct platform_device *pdev, int state);
void (*down_pwr)(struct platform_device *pdev);
int (*get_cd)(struct platform_device *pdef);
u8 sup_pclk; /* 1 :SH7757, 0: SH7724/SH7372 */
unsigned long caps;
u32 ocr;
struct sh_mmcif_dma *dma;
u8 sup_pclk; /* 1 :SH7757, 0: SH7724/SH7372 */
unsigned long caps;
u32 ocr;
};
#define MMCIF_CE_CMD_SET 0x00000000
@ -59,6 +66,32 @@ struct sh_mmcif_plat_data {
#define MMCIF_CE_HOST_STS2 0x0000004C
#define MMCIF_CE_VERSION 0x0000007C
/* CE_BUF_ACC */
#define BUF_ACC_DMAWEN (1 << 25)
#define BUF_ACC_DMAREN (1 << 24)
#define BUF_ACC_BUSW_32 (0 << 17)
#define BUF_ACC_BUSW_16 (1 << 17)
#define BUF_ACC_ATYP (1 << 16)
/* CE_CLK_CTRL */
#define CLK_ENABLE (1 << 24) /* 1: output mmc clock */
#define CLK_CLEAR ((1 << 19) | (1 << 18) | (1 << 17) | (1 << 16))
#define CLK_SUP_PCLK ((1 << 19) | (1 << 18) | (1 << 17) | (1 << 16))
#define CLKDIV_4 (1<<16) /* mmc clock frequency.
* n: bus clock/(2^(n+1)) */
#define CLKDIV_256 (7<<16) /* mmc clock frequency. (see above) */
#define SRSPTO_256 ((1 << 13) | (0 << 12)) /* resp timeout */
#define SRBSYTO_29 ((1 << 11) | (1 << 10) | \
(1 << 9) | (1 << 8)) /* resp busy timeout */
#define SRWDTO_29 ((1 << 7) | (1 << 6) | \
(1 << 5) | (1 << 4)) /* read/write timeout */
#define SCCSTO_29 ((1 << 3) | (1 << 2) | \
(1 << 1) | (1 << 0)) /* ccs timeout */
/* CE_VERSION */
#define SOFT_RST_ON (1 << 31)
#define SOFT_RST_OFF 0
static inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
{
return readl(addr + reg);
@ -145,21 +178,20 @@ static inline int sh_mmcif_boot_do_read(void __iomem *base,
static inline void sh_mmcif_boot_init(void __iomem *base)
{
unsigned long tmp;
/* reset */
tmp = sh_mmcif_readl(base, MMCIF_CE_VERSION);
sh_mmcif_writel(base, MMCIF_CE_VERSION, tmp | 0x80000000);
sh_mmcif_writel(base, MMCIF_CE_VERSION, tmp & ~0x80000000);
sh_mmcif_writel(base, MMCIF_CE_VERSION, SOFT_RST_ON);
sh_mmcif_writel(base, MMCIF_CE_VERSION, SOFT_RST_OFF);
/* byte swap */
sh_mmcif_writel(base, MMCIF_CE_BUF_ACC, 0x00010000);
sh_mmcif_writel(base, MMCIF_CE_BUF_ACC, BUF_ACC_ATYP);
/* Set block size in MMCIF hardware */
sh_mmcif_writel(base, MMCIF_CE_BLOCK_SET, SH_MMCIF_BBS);
/* Enable the clock, set it to Bus clock/256 (about 325Khz)*/
sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL, 0x01072fff);
/* Enable the clock, set it to Bus clock/256 (about 325Khz). */
sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL,
CLK_ENABLE | CLKDIV_256 | SRSPTO_256 |
SRBSYTO_29 | SRWDTO_29 | SCCSTO_29);
/* CMD0 */
sh_mmcif_boot_cmd(base, 0x00000040, 0);
@ -184,7 +216,9 @@ static inline void sh_mmcif_boot_slurp(void __iomem *base,
unsigned long tmp;
/* In data transfer mode: Set clock to Bus clock/4 (about 20Mhz) */
sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL, 0x01012fff);
sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL,
CLK_ENABLE | CLKDIV_4 | SRSPTO_256 |
SRBSYTO_29 | SRWDTO_29 | SCCSTO_29);
/* CMD9 - Get CSD */
sh_mmcif_boot_cmd(base, 0x09806000, 0x00010000);