1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
From 992eb6ff881792f5c753ef6c85be0ceb2d162c78 Mon Sep 17 00:00:00 2001
From: Joel Fernandes <agnel.joel@gmail.com>
Date: Tue, 7 Jun 2011 09:50:03 +0200
Subject: [PATCH] Beagle Rev C5 support
---
board/omap3530beagle/omap3530beagle.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/board/omap3530beagle/omap3530beagle.c b/board/omap3530beagle/omap3530beagle.c
index 15943f5..2b8c3c0 100644
--- a/board/omap3530beagle/omap3530beagle.c
+++ b/board/omap3530beagle/omap3530beagle.c
@@ -281,6 +281,7 @@ u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound)
#define MICRON_DDR 0
#define NUMONYX_MCP 1
+#define MICRON_MCP 2
int identify_xm_ddr()
{
int mfr, id;
@@ -303,6 +304,8 @@ int identify_xm_ddr()
return MICRON_DDR;
if ((mfr == 0x20) && (id == 0xba))
return NUMONYX_MCP;
+ if ((mfr == 0x2c) && (id == 0xbc))
+ return MICRON_MCP;
}
/*********************************************************************
* config_3430sdram_ddr() - Init DDR on 3430SDP dev board.
@@ -329,6 +332,17 @@ void config_3430sdram_ddr(void)
__raw_writel(NUMONYX_V_ACTIMB_165, SDRC_ACTIM_CTRLB_1);
__raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_0);
__raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_1);
+ } else if (identify_xm_ddr() == MICRON_MCP) {
+ /* Beagleboard Rev C5 */
+ __raw_writel(0x2, SDRC_CS_CFG); /* 256MB/bank */
+ __raw_writel(SDP_SDRC_MDCFG_0_DDR_MICRON_XM, SDRC_MCFG_0);
+ __raw_writel(SDP_SDRC_MDCFG_0_DDR_MICRON_XM, SDRC_MCFG_1);
+ __raw_writel(MICRON_V_ACTIMA_200, SDRC_ACTIM_CTRLA_0);
+ __raw_writel(MICRON_V_ACTIMB_200, SDRC_ACTIM_CTRLB_0);
+ __raw_writel(MICRON_V_ACTIMA_200, SDRC_ACTIM_CTRLA_1);
+ __raw_writel(MICRON_V_ACTIMB_200, SDRC_ACTIM_CTRLB_1);
+ __raw_writel(SDP_3430_SDRC_RFR_CTRL_200MHz, SDRC_RFR_CTRL_0);
+ __raw_writel(SDP_3430_SDRC_RFR_CTRL_200MHz, SDRC_RFR_CTRL_1);
} else {
__raw_writel(0x1, SDRC_CS_CFG); /* 128MB/bank */
__raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0);
@@ -699,6 +713,8 @@ int misc_init_r(void)
case REVISION_C4:
if (identify_xm_ddr() == NUMONYX_MCP)
printf("Beagle Rev C4 from Special Computing\n");
+ else if(identify_xm_ddr() == MICRON_MCP)
+ printf("Beagle Rev C5\n");
else
printf("Beagle Rev C4\n");
break;
--
1.6.6.1
|
