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openwrt/target/linux/brcm63xx/patches-3.3/440-MIPS-BCM63XX-enable-SPI...

102 lines
3.4 KiB
Diff

From eef84812bc7ffd590da6ad6b83bfeebaa43a7055 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Thu, 5 Jul 2012 21:19:20 +0200
Subject: [PATCH 58/84] MIPS: BCM63XX: enable SPI controller for BCM6362
---
arch/mips/bcm63xx/clk.c | 2 ++
arch/mips/bcm63xx/dev-spi.c | 11 ++++++++++-
.../include/asm/mach-bcm63xx/bcm63xx_dev_spi.h | 3 +++
arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 16 ++++++++++++++++
4 files changed, 31 insertions(+), 1 deletions(-)
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -199,6 +199,8 @@ static void spi_set(struct clk *clk, int
mask = CKCTL_6348_SPI_EN;
else if (BCMCPU_IS_6358())
mask = CKCTL_6358_SPI_EN;
+ else if (BCMCPU_IS_6362())
+ mask = CKCTL_6362_SPI_EN;
else
/* BCMCPU_IS_6368 */
mask = CKCTL_6368_SPI_EN;
--- a/arch/mips/bcm63xx/dev-spi.c
+++ b/arch/mips/bcm63xx/dev-spi.c
@@ -34,6 +34,10 @@ static const unsigned long bcm6358_regs_
__GEN_SPI_REGS_TABLE(6358)
};
+static const unsigned long bcm6362_regs_spi[] = {
+ __GEN_SPI_REGS_TABLE(6362)
+};
+
static const unsigned long bcm6368_regs_spi[] = {
__GEN_SPI_REGS_TABLE(6368)
};
@@ -49,6 +53,8 @@ static __init void bcm63xx_spi_regs_init
bcm63xx_regs_spi = bcm6348_regs_spi;
if (BCMCPU_IS_6358())
bcm63xx_regs_spi = bcm6358_regs_spi;
+ if (BCMCPU_IS_6362())
+ bcm63xx_regs_spi = bcm6362_regs_spi;
if (BCMCPU_IS_6368())
bcm63xx_regs_spi = bcm6368_regs_spi;
}
@@ -99,6 +105,9 @@ int __init bcm63xx_spi_register(void)
/* Set bus frequency */
spi_pdata.speed_hz = clk_get_rate(periph_clk);
+ if (BCMCPU_IS_6362())
+ spi_pdata.bus_num = 1;
+
spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
spi_resources[0].end = spi_resources[0].start;
spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);
@@ -110,7 +119,7 @@ int __init bcm63xx_spi_register(void)
spi_pdata.msg_ctl_width = SPI_6338_MSG_CTL_WIDTH;
}
- if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) {
+ if (BCMCPU_IS_6358() || BCMCPU_IS_6362() || BCMCPU_IS_6368()) {
spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1;
spi_pdata.fifo_size = SPI_6358_MSG_DATA_SIZE;
spi_pdata.msg_type_shift = SPI_6358_MSG_TYPE_SHIFT;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
@@ -81,6 +81,9 @@ static inline unsigned long bcm63xx_spir
#ifdef CONFIG_BCM63XX_CPU_6358
__GEN_SPI_RSET(6358)
#endif
+#ifdef CONFIG_BCM63XX_CPU_6362
+ __GEN_SPI_RSET(6362)
+#endif
#ifdef CONFIG_BCM63XX_CPU_6368
__GEN_SPI_RSET(6368)
#endif
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1215,6 +1215,22 @@
#define SPI_6358_MSG_TAIL 0x709
#define SPI_6358_RX_TAIL 0x70B
+/* BCM 6362 SPI core */
+#define SPI_6362_MSG_CTL 0x00 /* 16-bits register */
+#define SPI_6362_MSG_DATA 0x02
+#define SPI_6362_MSG_DATA_SIZE 0x21e
+#define SPI_6362_RX_DATA 0x400
+#define SPI_6362_RX_DATA_SIZE 0x220
+#define SPI_6362_CMD 0x700 /* 16-bits register */
+#define SPI_6362_INT_STATUS 0x702
+#define SPI_6362_INT_MASK_ST 0x703
+#define SPI_6362_INT_MASK 0x704
+#define SPI_6362_ST 0x705
+#define SPI_6362_CLK_CFG 0x706
+#define SPI_6362_FILL_BYTE 0x707
+#define SPI_6362_MSG_TAIL 0x709
+#define SPI_6362_RX_TAIL 0x70B
+
/* BCM 6358 SPI core */
#define SPI_6368_MSG_CTL 0x00 /* 16-bits register */
#define SPI_6368_MSG_CTL_WIDTH 16